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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.337 by root, Tue Aug 21 00:54:01 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 1.4 ();
		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	Coro::cede;
		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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
972	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
973	}	1158	if $reply;
974	}	1159	}
975	} else {	1160	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1162	}
978		1163
979	cf::override;	1164	cf::override;
980	},	1165	},
981	);	1166	);
982		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1011	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1173	next unless -r $path;
1013	eval {	1174
1014	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1015	1	1232	}
1016	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1017	}	1238	};
1018	}	1239	}
1019		1240
1020	#############################################################################	1241	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1242
1023	*cf::mapsupport::on_clean = sub {	1243	=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		1244
1036	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1037		1246
1038	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1039		1248
…		…
1052	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1053		1262
1054	=cut	1263	=cut
1055		1264
1056	sub playerdir($) {	1265	sub playerdir($) {
1057	cf::localdir	1266	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1268	}
1063		1269
1064	sub path($) {	1270	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1272
1067	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1068	}	1274	}
1069		1275
1070	sub find_active($) {	1276	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1075		1281
1076	sub exists($) {	1282	sub exists($) {
1077	my ($login) = @_;	1283	my ($login) = @_;
1078		1284
1079	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1081	}	1287	}
1082		1288
1083	sub find($) {	1289	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1291	my $login = $_[0];
1086		1292
1087	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1088		1294
1089	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
1090	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1091	or return;	1304	or return;
1092	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1093	}	1306	}
1094	}	1307	}
…		…
1122	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1123		1336
1124	$self	1337	$self
1125	}	1338	}
1126		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1127	=item $pl->quit_character	1350	=item $pl->quit_character
1128		1351
1129	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1131		1354
1132	=cut	1355	=cut
1133		1356
1134	sub quit_character {	1357	sub quit_character {
1135	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1136		1361
1137	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1364
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1150	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1151	}	1396	}
1152		1397
1153	=item cf::player::list_logins	1398	=item cf::player::list_logins
1154		1399
1155	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1157		1402
1158	=cut	1403	=cut
1159		1404
1160	sub list_logins {	1405	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1407	or return [];
1163		1408
1164	my @logins;	1409	my @logins;
1165		1410
1166	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1175	\@logins	1420	\@logins
1176	}	1421	}
1177		1422
1178	=item $player->maps	1423	=item $player->maps
1179		1424
1180	Returns an arrayref of cf::path's of all maps that are private for this	1425	Returns an arrayref of map paths that are private for this
1181	player. May block.	1426	player. May block.
1182		1427
1183	=cut	1428	=cut
1184		1429
1185	sub maps($) {	1430	sub maps($) {
1186	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1434
1188	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1189	or return;	1436	or return;
1190		1437
1191	my @paths;	1438	my @paths;
…		…
1193	for (@$files) {	1440	for (@$files) {
1194	utf8::decode $_;	1441	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1197		1444
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1446	}
1200		1447
1201	\@paths	1448	\@paths
1202	}	1449	}
1203		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1205		1502
1206	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1207		1504
1208	=cut	1505	=cut
1209		1506
1210	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1212		1509
1213	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1511	}
1217		1512
1218	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1219		1553
1220	=back	1554	=back
1221
1222		1555
1223	=head3 cf::map	1556	=head3 cf::map
1224		1557
1225	=over 4	1558	=over 4
1226		1559
…		…
1229	package cf::map;	1562	package cf::map;
1230		1563
1231	use Fcntl;	1564	use Fcntl;
1232	use Coro::AIO;	1565	use Coro::AIO;
1233		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
1234	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1236		1573
1237	sub generate_random_map {	1574	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1577	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1581	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1582	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
		1589	)
		1590	}
		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
		1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
		1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
		1629
		1630	# map plan:
		1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
		1638
		1639	$path =~ s/$PATH_SEP/\//go;
		1640
		1641	# treat it as relative path if it starts with
		1642	# something that looks reasonable
		1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1645
		1646	$base =~ s{[^/]+/?$}{};
		1647	$path = "$base/$path";
		1648	}
		1649
		1650	for ($path) {
		1651	redo if s{//}{/};
		1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
		1655
		1656	$path
		1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
1254	}	1717	}
1255		1718
1256	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1257	# all maps in C++...	1720	# all maps in C++...
1258	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1260		1723
1261	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1263	}	1726	}
1264		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
1265	sub try_load_header($) {	1744	sub load_header_from($) {
1266	my ($path) = @_;	1745	my ($self, $path) = @_;
1267		1746
1268	utf8::encode $path;	1747	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
1270	or return;	1752	or return;
1271		1753
1272	my $map = cf::map::new	1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
		1795	} else {
		1796	$self->load_header_orig
1273	or return;	1797	or return;
		1798	$self->prepare_orig;
		1799	}
1274		1800
1275	# for better error messages only, will be overwritten	1801	$self->{deny_reset} = 1
1276	$map->path ($path);	1802	if $self->no_reset;
1277		1803
1278	$map->load_header ($path)	1804	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1805	unless $self->default_region;
1280		1806
1281	$map->{load_path} = $path;	1807	1
1282
1283	$map
1284	}	1808	}
1285		1809
1286	sub find;	1810	sub find;
1287	sub find {	1811	sub find {
1288	my ($path, $origin) = @_;	1812	my ($path, $origin) = @_;
1289		1813
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1814	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1815
1295	cf::lock_wait "map_find:$key";	1816	cf::lock_wait "map_find:$path";
1296		1817
1297	$cf::MAP{$key} || do {	1818	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1819	my $guard = cf::lock_acquire "map_find:$path";
1299		1820	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;	1821	or return;
1319		1822
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;	1823	$map->{last_save} = $cf::RUNTIME;
1332		1824
1333	Coro::cede;	1825	$map->load_header
		1826	or return;
1334		1827
1335	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1831	$map->reset;
1337	undef $guard;	1832	undef $guard;
1338	$map = find $path	1833	return find $path;
1339	or return;
1340	}	1834	}
1341		1835
1342	$cf::MAP{$key} = $map	1836	$cf::MAP{$path} = $map
1343	}	1837	}
1344	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1345		1842
1346	sub load {	1843	sub load {
1347	my ($self) = @_;	1844	my ($self) = @_;
1348		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1349	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1851	my $guard = cf::lock_acquire "map_load:$path";
1351		1852
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1854
1354	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1355		1856
1356	$self->alloc;	1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
1357	$self->load_objects ($self->{load_path}, 1)	1862	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1863	or return;
1359		1864
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1866	if delete $self->{load_original};
1362		1867
1363	if (my $uniq = $path->uniq_path) {	1868	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1869	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1870	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1871	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1872	$self->_load_objects ($uniq, 0);
1368	}	1873	}
1369	}	1874	}
1370		1875
1371	Coro::cede;	1876	Coro::cede;
1372
1373	# now do the right thing for maps	1877	# now do the right thing for maps
1374	$self->link_multipart_objects;	1878	$self->link_multipart_objects;
1375
1376	if ($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)	1879	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1880	unless $self->difficulty;
		1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1386	$self->activate;	1890	$self->activate;
1387	}	1891	}
1388		1892
1389	Coro::cede;	1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
1390		1895
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
1392	}	1912	}
1393		1913
1394	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1915	sub load_neighbours {
1396	my ($map) = @_;	1916	my ($map) = @_;
1397		1917
1398	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1399		1919
1400	for (0 .. 3) {	1920	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1402	or next;	1922	or next;
1403	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1404	or next;	1924	or next;
1405	$neigh->load;	1925	$neigh->load;
1406		1926
		1927	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1930	}
1410		1931
1411	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1413	or next;	1935	or next;
1414	$neigh->load;	1936	$neigh->load;
1415	}	1937	}
1416	}	1938	}
1417		1939
…		…
1426		1948
1427	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1428	}	1950	}
1429		1951
1430	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1954
1446	sub find_async {	1955	sub find_async {
1447	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1448		1957
1449	$path = new cf::path $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1959
1452	if (my $map = $cf::MAP{$key}) {	1960	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1962	}
1455		1963
1456	$MAP_PREFETCH{$key} = $path;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1457	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1458		1978
1459	()	1979	()
1460	}	1980	}
1461		1981
1462	sub save {	1982	sub save {
…		…
1466		1986
1467	$self->{last_save} = $cf::RUNTIME;	1987	$self->{last_save} = $cf::RUNTIME;
1468		1988
1469	return unless $self->dirty;	1989	return unless $self->dirty;
1470		1990
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1991	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1993
1474	$self->{load_path} = $save;	1994	$self->{load_path} = $save;
1475		1995
1476	return if $self->{deny_save};	1996	return if $self->{deny_save};
1477		1997
…		…
1480	cf::async {	2000	cf::async {
1481	$_->contr->save for $self->players;	2001	$_->contr->save for $self->players;
1482	};	2002	};
1483		2003
1484	if ($uniq) {	2004	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2007	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2009	}
1490	}	2010	}
1491		2011
1492	sub swap_out {	2012	sub swap_out {
1493	my ($self) = @_;	2013	my ($self) = @_;
…		…
1507		2027
1508	sub reset_at {	2028	sub reset_at {
1509	my ($self) = @_;	2029	my ($self) = @_;
1510		2030
1511	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1514		2033
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2036
…		…
1522	my ($self) = @_;	2041	my ($self) = @_;
1523		2042
1524	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1525	}	2044	}
1526		2045
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	2046	sub reset {
1549	my ($self) = @_;	2047	my ($self) = @_;
1550		2048
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2050
1553	return if $self->players;	2051	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2052
1556	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1557		2064
1558	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
1559		2068
1560	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1561		2070
1562	$self->unlink_save;	2071	$self->unlink_save;
1563	$self->destroy;	2072	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1567		2076
1568	sub nuke {	2077	sub nuke {
1569	my ($self) = @_;	2078	my ($self) = @_;
1570		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1574	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1575	}	2093	}
1576		2094
1577	sub customise_for {	2095	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2096
1580	if ($map->per_player) {	2097	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
1582	}	2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
1583		2112
1584	$map	2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
1585	}	2129	}
1586		2130
1587	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1588		2132
1589	Returns an arrayref of cf::path's of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2134	instantiated unique items. May block.
1591		2135
1592	=cut	2136	=cut
1593		2137
1594	sub unique_maps() {	2138	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1596	or return;	2140	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2141	utf8::decode $_;
1602	next if /\.pst$/;	2142	/\.map$/
1603	next unless /^$PATH_SEP/o;	2143	? normalise $_
1604		2144	: ()
1605	push @paths, new cf::path $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2146	]
1607
1608	\@paths
1609	}	2147	}
1610		2148
1611	package cf;	2149	package cf;
1612		2150
1613	=back	2151	=back
…		…
1659		2197
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2199
1662	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1664	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1667	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1668	}	2225	}
1669		2226
1670	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1671		2228
1672	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1685		2242
1686	=item $player_object->enter_link	2243	=item $player_object->enter_link
1687		2244
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2245	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2246
1690	The player should be reaosnably safe there for short amounts of time. You	2247	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.	2248	I<MUST> call C<leave_link> as soon as possible, though.
1692		2249
		2250	Will never block.
		2251
1693	=item $player_object->leave_link ($map, $x, $y)	2252	=item $player_object->leave_link ($map, $x, $y)
1694		2253
1695	Moves the player out of the specila link map onto the given map. If the	2254	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2255	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2256	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2257	fails, to the emergency map position.
1699		2258
1700	Might block.	2259	Might block.
1701		2260
1702	=cut	2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
1703		2272
1704	sub cf::object::player::enter_link {	2273	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2274	my ($self) = @_;
1706		2275
1707	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1708		2277
1709	return if $self->map == $LINK_MAP;	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2279
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1713		2282
1714	$self->enter_map ($LINK_MAP, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2284	}
1716		2285
1717	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1719		2290
1720	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1721		2292
1722	unless ($map) {	2293	unless ($map) {
1723	# restore original map position	2294	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1740		2311
1741	$map->load;	2312	$map->load;
1742	$map->load_diag;	2313	$map->load_neighbours;
1743		2314
1744	return unless $self->contr->active;	2315	return unless $self->contr->active;
1745	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1747	}	2320	}
1748		2321
1749	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2323
1753	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1757	};	2328	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2329
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	2330	=cut
		2331
		2332	our $GOTOGEN;
1784		2333
1785	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2336
1788	$path = new cf::path $path;	2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2339
1790	$self->enter_link;	2340	$self->enter_link;
1791		2341
1792	(async {	2342	(async {
		2343	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1795		2348	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1800		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1802	})->prio (1);	2367	})->prio (1);
1803	}	2368	}
1804		2369
1805	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1806		2371
…		…
1808		2373
1809	sub parse_random_map_params {	2374	sub parse_random_map_params {
1810	my ($spec) = @_;	2375	my ($spec) = @_;
1811		2376
1812	my $rmp = { # defaults	2377	my $rmp = { # defaults
1813	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1815	};	2382	};
1816		2383
1817	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1819		2386
…		…
1823	$rmp	2390	$rmp
1824	}	2391	}
1825		2392
1826	sub prepare_random_map {	2393	sub prepare_random_map {
1827	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2397
1829	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2400	# that depends on the exit object
1832		2401
1833	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1834		2403
1835	if ($exit->map) {	2404	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1840	}	2409	}
1841		2410
1842	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1843		2412
1844	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1846		2416
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1849		2421
1850	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2423	$exit->msg (undef);
1852	}	2424	}
1853	}	2425	}
…		…
1855	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1857		2429
1858	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1859		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1860	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1861		2448
1862	(async {	2449	(async {
1863	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2451	unless (eval {
1865	prepare_random_map $exit	2452	$self->goto ($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		2453
1871	1;	2454	1;
1872	}) {	2455	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2460
1878	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2462	$self->leave_link;
1880	}	2463	}
1881	})->prio (1);	2464	})->prio (1);
…		…
1894		2477
1895	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1897		2480
1898	utf8::encode $text;	2481	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2483	}
1901		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1902		2583
1903	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1904		2585
1905	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2589
1909	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2591	become reliable at some point in the future.
1911		2592
1912	=cut	2593	=cut
1913		2594
1914	sub cf::client::query {	2595	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2604	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2606
1926	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1928	}	2611	}
1929		2612
1930	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1931	on_reply => sub {	2619	on_reply => sub {
1932	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1933		2621
1934	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1935	# get handled first	2623	# get handled first
1936	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2626
1939	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2629
1941	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1942		2631
1943	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2633	if (@$queue) {
…		…
1946	} else {	2635	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2637	}
1949	}	2638	}
1950	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1951	);	2663	);
1952		2664
1953	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1954		2666
1955	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1998		2710
1999	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2000		2712
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2002		2718
2003	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2004		2720
2005	=pod	2721	=pod
2006		2722
2007	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2008		2724
2009	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2010	cf::object::player player	2729	cf::object::player
2011	cf::player peaceful	2730	player
2012	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2013		2737
2014	=cut	2738	=cut
2015		2739
2016	for (	2740	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2018	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2021	) {	2746	) {
2022	no strict 'refs';	2747	no strict 'refs';
…		…
2093	=back	2818	=back
2094		2819
2095	=cut	2820	=cut
2096		2821
2097	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2098		2824
2099	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2100		2827
2101	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2829
2105	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2106	using it, it should be unique.
2107		2831
2108	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2109		2835
2110	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2111		2837
2112	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2113	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2114	C<cf::db_sync>.
2115		2840
2116	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2117		2842	$facedata->{resource}{"res/exp_table"} = {
2118	Returns a single value from the database	2843	type => FT_RSRC,
2119		2844	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	});	2845	};
		2846	cf::cede_to_tick;
2171		2847
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2176		2850
2177	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2857
2183	sub db_put($$;$) {	2858	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	},	2859	}
2197	);
2198	}
2199		2860
2200	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
2202		2992
2203	sub cfg_load {	2993	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2995	or return;
2206		2996
2207	local $/;	2997	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
2209		2999
…		…
2223		3013
2224	sub main {	3014	sub main {
2225	# we must not ever block the main coroutine	3015	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3016	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3018	(async {
2228	async { Event::one_event };	3019	Event::one_event;
		3020	})->prio (Coro::PRIO_MAX);
2229	};	3021	};
2230		3022
2231	cfg_load;	3023	cfg_load;
2232	db_load;	3024	db_init;
2233	load_extensions;	3025	load_extensions;
		3026
		3027	$TICK_WATCHER->start;
2234	Event::loop;	3028	Event::loop;
2235	}	3029	}
2236		3030
2237	#############################################################################	3031	#############################################################################
2238	# initialisation and cleanup	3032	# initialisation and cleanup
2239		3033
2240	# install some emergency cleanup handlers	3034	# install some emergency cleanup handlers
2241	BEGIN {	3035	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3036	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3037	Event->signal (
		3038	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3039	data => WF_AUTOCANCEL,
2245	signal => $signal,	3040	signal => $signal,
		3041	prio => 0,
2246	cb => sub {	3042	cb => sub {
2247	cf::cleanup "SIG$signal";	3043	cf::cleanup "SIG$signal";
2248	},	3044	},
2249	);	3045	);
2250	}	3046	}
2251	}	3047	}
2252		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
		3085	}
		3086
2253	sub emergency_save() {	3087	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3088	my $freeze_guard = cf::freeze_mainloop;
2255		3089
2256	warn "enter emergency perl save\n";	3090	warn "enter emergency perl save\n";
2257		3091
2258	cf::sync_job {	3092	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3093	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3094	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3095	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3096	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3097	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3098	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3099	$pl->valid or next;
2266	$pl->save;	3100	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3106	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3107	$map->valid or next;
2274	$map->save;	3108	$map->save;
2275	}	3109	}
2276	warn "end emergency map save\n";	3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
2277	};	3115	};
2278		3116
2279	warn "leave emergency perl save\n";	3117	warn "leave emergency perl save\n";
2280	}	3118	}
2281		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
2282	sub reload() {	3127	sub do_reload_perl() {
2283	# can/must only be called in main	3128	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3130	warn "can only reload from main coroutine";
2286	return;	3131	return;
2287	}	3132	}
2288		3133
2289	warn "reloading...";	3134	warn "reloading...";
2290		3135
2291	warn "freezing server";	3136	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
2294		3142
2295	warn "sync database to disk";	3143	warn "syncing database to disk";
2296	cf::db_sync;	3144	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3145
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
2301		3147
2302	warn "cancel all watchers";	3148	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3151	}
2306		3152
		3153	warn "flushing outstanding aio requests";
		3154	for (;;) {
		3155	BDB::flush;
		3156	IO::AIO::flush;
		3157	Coro::cede;
		3158	last unless IO::AIO::nreqs || BDB::nreqs;
		3159	warn "iterate...";
		3160	}
		3161
		3162	++$RELOAD;
		3163
2307	warn "cancel all extension coros";	3164	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3166	%EXT_CORO = ();
2310		3167
2311	warn "remove commands";	3168	warn "removing commands";
2312	%COMMAND = ();	3169	%COMMAND = ();
2313		3170
2314	warn "remove ext commands";	3171	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3172	%EXTCMD = ();
		3173	%EXTICMD = ();
2316		3174
2317	warn "unload/nuke all extensions";	3175	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3176	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3177	warn "... unloading $pkg";
2320		3178
2321	if (my $cb = $pkg->can ("unload")) {	3179	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3180	eval {
…		…
2327		3185
2328	warn "... nuking $pkg";	3186	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3187	Symbol::delete_package $pkg;
2330	}	3188	}
2331		3189
2332	warn "unload all perl modules loaded from $LIBDIR";	3190	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3191	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3193
2336	warn "removing <$k>";	3194	warn "... unloading $k";
2337	delete $INC{$k};	3195	delete $INC{$k};
2338		3196
2339	$k =~ s/\.pm$//;	3197	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3198	$k =~ s/\//::/g;
2341		3199
…		…
2344	}	3202	}
2345		3203
2346	Symbol::delete_package $k;	3204	Symbol::delete_package $k;
2347	}	3205	}
2348		3206
2349	warn "get rid of safe::, as good as possible";	3207	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3210
2353	warn "unload cf.pm \"a bit\"";	3211	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
2355		3214
2356	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3216	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
2359		3218
		3219	warn "unload completed, starting to reload now";
		3220
2360	warn "reloading cf.pm";	3221	warn "reloading cf.pm";
2361	require cf;	3222	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3224
2364	warn "load config and database again";	3225	warn "loading config and database again";
2365	cf::cfg_load;	3226	cf::cfg_load;
2366	cf::db_load;
2367		3227
2368	warn "load extensions";	3228	warn "loading extensions";
2369	cf::load_extensions;	3229	cf::load_extensions;
2370		3230
2371	warn "reattach attachments to objects/players";	3231	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3232	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3233	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3234	reattach $_ for values %MAP;
2375	};	3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
2376		3237
2377	if ($@) {	3238	warn "leaving sync_job";
		3239
		3240	1
		3241	} or do {
2378	warn $@;	3242	warn $@;
2379	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
2380	exit 1;	3244	exit 1;
2381	}	3245	};
2382		3246
2383	warn "reloaded";	3247	warn "reloaded";
2384	};	3248	};
2385		3249
2386	#############################################################################	3250	our $RELOAD_WATCHER; # used only during reload
2387		3251
2388	unless ($LINK_MAP) {	3252	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
2390		3255
2391	$LINK_MAP->width (41);	3256	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3257	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3258	after => 0,
		3259	data => WF_AUTOCANCEL,
2401	cb => sub {	3260	cb => sub {
2402	$_[0]->w->cancel;	3261	do_reload_perl;
2403		3262	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3263	},
2422		3264	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3265	}
2428		3266
2429	register_command "reload" => sub {	3267	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
2431		3269
2432	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3271	$who->message ("reloading server.");
		3272	async { reload_perl };
2436	}	3273	}
2437	};	3274	};
2438		3275
2439	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
2440		3277
		3278	my $bug_warning = 0;
		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3304	reentrant => 0,
		3305	parked => 1,
2443	prio => 0,	3306	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3308	data => WF_AUTOCANCEL,
2446	cb => sub {	3309	cb => sub {
		3310	if ($Coro::current != $Coro::main) {
		3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3312	unless ++$bug_warning > 10;
		3313	return;
		3314	}
		3315
		3316	$NOW = $tick_start = Event::time;
		3317
2447	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
		3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3341	};
		3342
2448	$RUNTIME += $TICK;	3343	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
2450		3345
2451	$WAIT_FOR_TICK->broadcast;	3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
2453		3365
2454	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3368
2457	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
2459	},	3378	},
2460	);	3379	);
2461		3380
		3381	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3382	BDB::max_poll_time $TICK * 0.1;
2463		3383	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3384	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3385	fd => BDB::poll_fileno,
2466	poll => 'r',	3386	poll => 'r',
2467	prio => 5,	3387	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3388	data => WF_AUTOCANCEL,
2474	after => 0,	3389	cb => \&BDB::poll_cb,
2475	interval => 10,	3390	);
2476	cb => sub {	3391	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3392
2478	write_runtime	3393	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3427	};
2481	},	3428	}
2482	);	3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
		3435	IO::AIO::max_poll_time $TICK * 0.1;
		3436	$AIO_POLL_WATCHER = Event->io (
		3437	reentrant => 0,
		3438	data => WF_AUTOCANCEL,
		3439	fd => IO::AIO::poll_fileno,
		3440	poll => 'r',
		3441	prio => 6,
		3442	cb => \&IO::AIO::poll_cb,
		3443	);
		3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
		3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
		3481	}
		3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
2483		3486
2484	END { cf::emergency_save }	3487	END { cf::emergency_save }
2485		3488
2486	1	3489	1
2487		3490

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