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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.301 by root, Tue Jul 10 07:01:51 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 3.61 ();
		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;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$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		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
42		58
		59	our $RELOAD; # number of reloads so far
43	our @EVENT;	60	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		61
46	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	78	our $NEXT_TICK;
49	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
50		84
51	our %CFG;	85	our %CFG;
52		86
53	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	88	our $RUNTIME;
55		89
56	our %PLAYER; # all users	90	our %PLAYER; # all users
57	our %MAP; # all maps	91	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		93
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# 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;	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
63		100
64	binmode STDOUT;	101	binmode STDOUT;
65	binmode STDERR;	102	binmode STDERR;
66		103
67	# read virtual server time, if available	104	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
72	}	109	}
73		110
74	mkdir cf::localdir;	111	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		113
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
83		117
84	#############################################################################	118	#############################################################################
85		119
86	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
87		121
…		…
94	=item $cf::RUNTIME	128	=item $cf::RUNTIME
95		129
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	131	every server tick.
98		132
99	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		136
101	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
103		141
104	=item $cf::NOW	142	=item $cf::NOW
105		143
106	The time of the last (current) server tick.	144	The time of the last (current) server tick.
107		145
108	=item $cf::TICK	146	=item $cf::TICK
109		147
110	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
111		159
112	=item %cf::CFG	160	=item %cf::CFG
113		161
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	163	from wherever your confdir points to.
116		164
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		166
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	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	168	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	169	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.
123		170
124	=back	171	=back
125		172
126	=cut	173	=cut
127		174
128	BEGIN {	175	BEGIN {
129	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	177	my $msg = join "", @_;
131	utf8::encode $msg;
132		178
133	$msg .= "\n"	179	$msg .= "\n"
134	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
135		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
136	LOG llevError, $msg;	185	LOG llevError, $msg;
137	};	186	};
138	}	187	}
139		188
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		196
147	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	198	# within the Safe compartment.
149	for my $pkg (qw(	199	for my $pkg (qw(
150	cf::global cf::attachable	200	cf::global cf::attachable
…		…
158	}	208	}
159		209
160	$Event::DIED = sub {	210	$Event::DIED = sub {
161	warn "error in event callback: @_";	211	warn "error in event callback: @_";
162	};	212	};
		213
		214	#############################################################################
163		215
164	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
165		217
166	=over 4	218	=over 4
167		219
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	239	$d
188	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
189	}	241	}
190		242
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
194		244
195	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
196		246
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
205		248
206	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
207		250
208	=cut	251	=cut
209		252
210	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
212	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
214		257
215	=item cf::lock_wait $string	258	=item cf::lock_wait $string
216		259
217	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
218		261
…		…
224	returned.	267	returned.
225		268
226	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
228		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
229	=cut	276	=cut
230		277
231	our %LOCK;	278	our %LOCK;
232		279
233	sub lock_wait($) {	280	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
254	}	301	}
255	}	302	}
256		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
257	sub freeze_mainloop {	310	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
259		312
260	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
261	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
262	$guard	317	$guard
263	}	318	}
264		319
265	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
272		327
273	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
274		329
275	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
276		331
277	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
280		336
281	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
284	fast or be very important.	340	fast or be very important.
…		…
287		343
288	sub sync_job(&) {	344	sub sync_job(&) {
289	my ($job) = @_;	345	my ($job) = @_;
290		346
291	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
292	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
294		352
295	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
307		365
308	while ($busy) {	366	while ($busy) {
309	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
310	}	368	}
311		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
312	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
313	} else {	378	} else {
314	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
315		380
316	$job->()	381	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
336		401
337	$coro	402	$coro
338	}	403	}
339		404
340	sub write_runtime {	405	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		406
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
344	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
345		411
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		413
350	aio_fsync $fh	414	sub _store_scalar {
351	and return;	415	open my $fh, ">", \my $buf
352		416	or die "fork_call: cannot open fh-to-buf in child : $!";
		417	Storable::store_fd $_[0], $fh;
353	close $fh	418	close $fh;
354	or return;
355		419
356	aio_rename "$runtime~", $runtime	420	$buf
357	and return;	421	}
358		422
		423	sub fork_call(&@) {
		424	my ($cb, @args) = @_;
		425
		426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		427	# or die "socketpair: $!";
		428	pipe my $fh1, my $fh2
		429	or die "pipe: $!";
		430
		431	if (my $pid = fork) {
		432	close $fh2;
		433
		434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		435	warn "pst<$res>" unless $res =~ /^pst/;
		436	$res = Coro::Storable::thaw $res;
		437
		438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		439
		440	Carp::confess $$res unless "ARRAY" eq ref $res;
		441
		442	return wantarray ? @$res : $res->[-1];
		443	} else {
		444	reset_signals;
		445	local $SIG{__WARN__};
		446	local $SIG{__DIE__};
		447	# just in case, this hack effectively disables event
		448	# in the child. cleaner and slower would be canceling all watchers,
		449	# but this works for the time being.
		450	local $Coro::idle;
		451	$Coro::current->prio (Coro::PRIO_MAX);
		452
		453	eval {
		454	close $fh1;
		455
		456	my @res = eval { $cb->(@args) };
		457
		458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		459	close $fh2;
		460	};
		461
		462	warn $@ if $@;
		463	_exit 0;
359	1	464	}
		465	}
		466
		467	=item $value = cf::db_get $family => $key
		468
		469	Returns a single value from the environment database.
		470
		471	=item cf::db_put $family => $key => $value
		472
		473	Stores the given C<$value> in the family. It can currently store binary
		474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		475
		476	=cut
		477
		478	our $DB;
		479
		480	sub db_init {
		481	unless ($DB) {
		482	$DB = BDB::db_create $DB_ENV;
		483
		484	cf::sync_job {
		485	eval {
		486	$DB->set_flags (BDB::CHKSUM);
		487
		488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		490	cf::cleanup "db_open(db): $!" if $!;
		491	};
		492	cf::cleanup "db_open(db): $@" if $@;
		493	};
		494	}
		495	}
		496
		497	sub db_get($$) {
		498	my $key = "$_[0]/$_[1]";
		499
		500	cf::sync_job {
		501	BDB::db_get $DB, undef, $key, my $data;
		502
		503	$! ? ()
		504	: $data
		505	}
		506	}
		507
		508	sub db_put($$$) {
		509	BDB::dbreq_pri 4;
		510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		511	}
		512
		513	=item cf::cache $id => [$paths...], $processversion => $process
		514
		515	Generic caching function that returns the value of the resource $id,
		516	caching and regenerating as required.
		517
		518	This function can block.
		519
		520	=cut
		521
		522	sub cache {
		523	my ($id, $src, $processversion, $process) = @_;
		524
		525	my $meta =
		526	join "\x00",
		527	$processversion,
		528	map {
		529	aio_stat $_
		530	and Carp::croak "$_: $!";
		531
		532	($_, (stat _)[7,9])
		533	} @$src;
		534
		535	my $dbmeta = db_get cache => "$id/meta";
		536	if ($dbmeta ne $meta) {
		537	# changed, we may need to process
		538
		539	my @data;
		540	my $md5;
		541
		542	for (0 .. $#$src) {
		543	0 <= aio_load $src->[$_], $data[$_]
		544	or Carp::croak "$src->[$_]: $!";
		545	}
		546
		547	# if processing is expensive, check
		548	# checksum first
		549	if (1) {
		550	$md5 =
		551	join "\x00",
		552	$processversion,
		553	map {
		554	Coro::cede;
		555	($src->[$_], Digest::MD5::md5_hex $data[$_])
		556	} 0.. $#$src;
		557
		558
		559	my $dbmd5 = db_get cache => "$id/md5";
		560	if ($dbmd5 eq $md5) {
		561	db_put cache => "$id/meta", $meta;
		562
		563	return db_get cache => "$id/data";
		564	}
		565	}
		566
		567	my $t1 = Time::HiRes::time;
		568	my $data = $process->(\@data);
		569	my $t2 = Time::HiRes::time;
		570
		571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		572
		573	db_put cache => "$id/data", $data;
		574	db_put cache => "$id/md5" , $md5;
		575	db_put cache => "$id/meta", $meta;
		576
		577	return $data;
		578	}
		579
		580	db_get cache => "$id/data"
		581	}
		582
		583	=item cf::datalog type => key => value, ...
		584
		585	Log a datalog packet of the given type with the given key-value pairs.
		586
		587	=cut
		588
		589	sub datalog($@) {
		590	my ($type, %kv) = @_;
		591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	592	}
361		593
362	=back	594	=back
363		595
364	=cut	596	=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		597
493	#############################################################################	598	#############################################################################
494		599
495	=head2 ATTACHABLE OBJECTS	600	=head2 ATTACHABLE OBJECTS
496		601
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	603	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	604	to it. All such attachable objects support the following methods.
500		605
501	In the following description, CLASS can be any of C<global>, C<object>	606	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	607	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	608	Crossfire TRT).
504		609
505	=over 4	610	=over 4
506		611
507	=item $attachable->attach ($attachment, key => $value...)	612	=item $attachable->attach ($attachment, key => $value...)
508		613
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	727	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	728	our @CB_MAP = ();
624		729
625	my %attachment;	730	my %attachment;
626		731
		732	sub cf::attachable::thawer_merge {
		733	# simply override everything except _meta
		734	local $_[0]{_meta};
		735	%{$_[0]} = %{$_[1]};
		736	}
		737
627	sub _attach_cb($$$$) {	738	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	739	my ($registry, $event, $prio, $cb) = @_;
629		740
630	use sort 'stable';	741	use sort 'stable';
631		742
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	776	$registry = $CB_TYPE[$object_type] ||= [];
666		777
667	} elsif ($type eq "subtype") {	778	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	779	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	780	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	781	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		782
672	} elsif ($type eq "package") {	783	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	784	my $pkg = shift @arg;
674		785
675	while (my ($name, $id) = each %cb_id) {	786	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	815	_attach $registry, $klass, @attach;
705	}	816	}
706		817
707	$obj->{$name} = \%arg;	818	$obj->{$name} = \%arg;
708	} else {	819	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	820	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	821	}
711		822
712	$obj->{_attachment}{$name} = undef;	823	$obj->{_attachment}{$name} = undef;
713	}	824	}
714		825
…		…
716	if (ref $_[0]) {	827	if (ref $_[0]) {
717	_object_attach @_;	828	_object_attach @_;
718	} else {	829	} else {
719	_attach shift->_attach_registry, @_;	830	_attach shift->_attach_registry, @_;
720	}	831	}
		832	_recalc_want;
721	};	833	};
722		834
723	# all those should be optimised	835	# all those should be optimised
724	sub cf::attachable::detach {	836	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	837	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	840	delete $obj->{_attachment}{$name};
729	reattach ($obj);	841	reattach ($obj);
730	} else {	842	} else {
731	Carp::croak "cannot, currently, detach class attachments";	843	Carp::croak "cannot, currently, detach class attachments";
732	}	844	}
		845	_recalc_want;
733	};	846	};
734		847
735	sub cf::attachable::attached {	848	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	849	my ($obj, $name) = @_;
737		850
…		…
802	# object support	915	# object support
803		916
804	sub reattach {	917	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	918	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	919	my ($obj) = @_;
		920
		921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		922
808	my $registry = $obj->registry;	923	my $registry = $obj->registry;
809		924
810	@$registry = ();	925	@$registry = ();
811		926
…		…
858	$filename, length $$rdata, scalar @$objs;	973	$filename, length $$rdata, scalar @$objs;
859		974
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	976	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	978	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	979	close $fh;
865		980
866	if (@$objs) {	981	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	984	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	985	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	986	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	987	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	988	aio_rename "$filename.pst~", "$filename.pst";
874	}	989	}
875	} else {	990	} else {
876	aio_unlink "$filename.pst";	991	aio_unlink "$filename.pst";
…		…
908	or return;	1023	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1024	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1025	}
911		1026
912	warn sprintf "loading %s (%d)\n",	1027	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1028	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1029	return ($data, $av);
915	}	1030	}
		1031
		1032	=head2 COMMAND CALLBACKS
		1033
		1034	=over 4
		1035
		1036	=cut
916		1037
917	#############################################################################	1038	#############################################################################
918	# command handling &c	1039	# command handling &c
919		1040
920	=item cf::register_command $name => \&callback($ob,$args);	1041	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1054	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1055	}
935		1056
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1057	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1058
938	Register a callbackf ro execution when the client sends an extcmd packet.	1059	Register a callback for execution when the client sends an (synchronous)
		1060	extcmd packet. Ext commands will be processed in the order they are
		1061	received by the server, like other user commands. The first argument is
		1062	the logged-in player. Ext commands can only be processed after a player
		1063	has logged in successfully.
939		1064
940	If the callback returns something, it is sent back as if reply was being	1065	If the callback returns something, it is sent back as if reply was being
941	called.	1066	called.
942		1067
		1068	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1069
		1070	Register a callback for execution when the client sends an (asynchronous)
		1071	exticmd packet. Exti commands are processed by the server as soon as they
		1072	are received, i.e. out of order w.r.t. other commands. The first argument
		1073	is a client socket. Exti commands can be received anytime, even before
		1074	log-in.
		1075
		1076	If the callback returns something, it is sent back as if reply was being
		1077	called.
		1078
943	=cut	1079	=cut
944		1080
945	sub register_extcmd {	1081	sub register_extcmd {
946	my ($name, $cb) = @_;	1082	my ($name, $cb) = @_;
947		1083
948	$EXTCMD{$name} = $cb;	1084	$EXTCMD{$name} = $cb;
		1085	}
		1086
		1087	sub register_exticmd {
		1088	my ($name, $cb) = @_;
		1089
		1090	$EXTICMD{$name} = $cb;
949	}	1091	}
950		1092
951	cf::player->attach (	1093	cf::player->attach (
952	on_command => sub {	1094	on_command => sub {
953	my ($pl, $name, $params) = @_;	1095	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1104	cf::override;
963	},	1105	},
964	on_extcmd => sub {	1106	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1107	my ($pl, $buf) = @_;
966		1108
967	my $msg = eval { from_json $buf };	1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1110
969	if (ref $msg) {	1111	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1113	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1114	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1120
979	cf::override;	1121	cf::override;
980	},	1122	},
981	);	1123	);
982		1124
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 {	1125	sub load_extensions {
		1126	cf::sync_job {
		1127	my %todo;
		1128
1011	for my $ext (<$LIBDIR/*.ext>) {	1129	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1130	next unless -r $path;
1013	eval {	1131
1014	load_extension $ext;	1132	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1133	my $base = $1;
		1134	my $pkg = $1;
		1135	$pkg =~ s/[^[:word:]]/_/g;
		1136	$pkg = "ext::$pkg";
		1137
		1138	open my $fh, "<:utf8", $path
		1139	or die "$path: $!";
		1140
		1141	my $source = do { local $/; <$fh> };
		1142
		1143	my %ext = (
		1144	path => $path,
		1145	base => $base,
		1146	pkg => $pkg,
		1147	);
		1148
		1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1151
		1152	$ext{source} =
		1153	"package $pkg; use strict; use utf8;\n"
		1154	. "#line 1 \"$path\"\n{\n"
		1155	. $source
		1156	. "\n};\n1";
		1157
		1158	$todo{$base} = \%ext;
		1159	}
		1160
		1161	my %done;
		1162	while (%todo) {
		1163	my $progress;
		1164
		1165	while (my ($k, $v) = each %todo) {
		1166	for (split /,\s*/, $v->{meta}{depends}) {
		1167	goto skip
		1168	unless exists $done{$_};
		1169	}
		1170
		1171	warn "... loading '$k' into '$v->{pkg}'\n";
		1172
		1173	unless (eval $v->{source}) {
		1174	my $msg = $@ ? "$v->{path}: $@\n"
		1175	: "$v->{base}: extension inactive.\n";
		1176
		1177	if (exists $v->{meta}{mandatory}) {
		1178	warn $msg;
		1179	warn "mandatory extension failed to load, exiting.\n";
		1180	exit 1;
		1181	}
		1182
		1183	warn $msg;
		1184	}
		1185
		1186	$done{$k} = delete $todo{$k};
		1187	push @EXTS, $v->{pkg};
		1188	$progress = 1;
1015	1	1189	}
1016	} or warn "$ext not loaded: $@";	1190
		1191	skip:
		1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1193	unless $progress;
		1194	}
1017	}	1195	};
1018	}	1196	}
1019		1197
1020	#############################################################################	1198	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1199
1023	*cf::mapsupport::on_clean = sub {	1200	=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		1201
1036	=head2 CORE EXTENSIONS	1202	=head2 CORE EXTENSIONS
1037		1203
1038	Functions and methods that extend core crossfire objects.	1204	Functions and methods that extend core crossfire objects.
1039		1205
…		…
1052	Returns the given player object, loading it if necessary (might block).	1218	Returns the given player object, loading it if necessary (might block).
1053		1219
1054	=cut	1220	=cut
1055		1221
1056	sub playerdir($) {	1222	sub playerdir($) {
1057	cf::localdir	1223	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1224	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1225	}
1063		1226
1064	sub path($) {	1227	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1228	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1229
1067	(playerdir $login) . "/$login.pl"	1230	(playerdir $login) . "/playerdata"
1068	}	1231	}
1069		1232
1070	sub find_active($) {	1233	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1234	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1235	and $cf::PLAYER{$_[0]}->active
…		…
1075		1238
1076	sub exists($) {	1239	sub exists($) {
1077	my ($login) = @_;	1240	my ($login) = @_;
1078		1241
1079	$cf::PLAYER{$login}	1242	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1243	or cf::sync_job { !aio_stat path $login }
1081	}	1244	}
1082		1245
1083	sub find($) {	1246	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1247	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1248	my $login = $_[0];
1086		1249
1087	my $guard = cf::lock_acquire "user_find:$login";	1250	my $guard = cf::lock_acquire "user_find:$login";
1088		1251
1089	$cf::PLAYER{$_[0]} || do {	1252	$cf::PLAYER{$_[0]} || do {
		1253	# rename old playerfiles to new ones
		1254	#TODO: remove when no longer required
		1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1258	aio_unlink +(playerdir $login) . "/$login.pl";
		1259
1090	my $pl = load_pl path $login	1260	my $pl = load_pl path $login
1091	or return;	1261	or return;
1092	$cf::PLAYER{$login} = $pl	1262	$cf::PLAYER{$login} = $pl
1093	}	1263	}
1094	}	1264	}
…		…
1131		1301
1132	=cut	1302	=cut
1133		1303
1134	sub quit_character {	1304	sub quit_character {
1135	my ($pl) = @_;	1305	my ($pl) = @_;
		1306
		1307	my $name = $pl->ob->name;
1136		1308
1137	$pl->{deny_save} = 1;	1309	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1310	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1311
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1317	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1318	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1319	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1320	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1321	$pl->destroy;
		1322
		1323	my $prefix = qr<^~\Q$name\E/>;
		1324
		1325	# nuke player maps
		1326	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1327
1150	IO::AIO::aio_rmtree $temp;	1328	IO::AIO::aio_rmtree $temp;
		1329	}
		1330
		1331	=item $pl->kick
		1332
		1333	Kicks a player out of the game. This destroys the connection.
		1334
		1335	=cut
		1336
		1337	sub kick {
		1338	my ($pl, $kicker) = @_;
		1339
		1340	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1341	$pl->killer ("kicked");
		1342	$pl->ns->destroy;
1151	}	1343	}
1152		1344
1153	=item cf::player::list_logins	1345	=item cf::player::list_logins
1154		1346
1155	Returns am arrayref of all valid playernames in the system, can take a	1347	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1348	while and may block, so not sync_job-capable, ever.
1157		1349
1158	=cut	1350	=cut
1159		1351
1160	sub list_logins {	1352	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1353	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1354	or return [];
1163		1355
1164	my @logins;	1356	my @logins;
1165		1357
1166	for my $login (@$dirs) {	1358	for my $login (@$dirs) {
…		…
1175	\@logins	1367	\@logins
1176	}	1368	}
1177		1369
1178	=item $player->maps	1370	=item $player->maps
1179		1371
1180	Returns an arrayref of cf::path's of all maps that are private for this	1372	Returns an arrayref of map paths that are private for this
1181	player. May block.	1373	player. May block.
1182		1374
1183	=cut	1375	=cut
1184		1376
1185	sub maps($) {	1377	sub maps($) {
1186	my ($pl) = @_;	1378	my ($pl) = @_;
		1379
		1380	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1381
1188	my $files = aio_readdir playerdir $pl	1382	my $files = aio_readdir playerdir $pl
1189	or return;	1383	or return;
1190		1384
1191	my @paths;	1385	my @paths;
…		…
1193	for (@$files) {	1387	for (@$files) {
1194	utf8::decode $_;	1388	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1389	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1390	next unless /^$PATH_SEP/o;
1197		1391
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1392	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1393	}
1200		1394
1201	\@paths	1395	\@paths
1202	}	1396	}
1203		1397
		1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1399
		1400	Expand crossfire pod fragments into protocol xml.
		1401
		1402	=cut
		1403
		1404	sub expand_cfpod {
		1405	((my $self), (local $_)) = @_;
		1406
		1407	# escape & and <
		1408	s/&/&amp;/g;
		1409	s/(?<![BIUGH])</&lt;/g;
		1410
		1411	# this is buggy, it needs to properly take care of nested <'s
		1412
		1413	1 while
		1414	# replace B<>, I<>, U<> etc.
		1415	s/B<([^\>]*)>/<b>$1<\/b>/
		1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1418	# replace G<male|female> tags
		1419	|| s{G<([^>|]*)\|([^>]*)>}{
		1420	$self->gender ? $2 : $1
		1421	}ge
		1422	# replace H<hint text>
		1423	|| s{H<([^\>]*)>}
		1424	{
		1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1427	"")
		1428	[$self->{hintmode}]
		1429	}ge;
		1430
		1431	# create single paragraphs (very hackish)
		1432	s/(?<=\S)\n(?=\w)/ /g;
		1433
		1434	# compress some whitespace
		1435	s/\s+\n/\n/g; # ws line-ends
		1436	s/\n\n+/\n/g; # double lines
		1437	s/^\n+//; # beginning lines
		1438	s/\n+$//; # ending lines
		1439
		1440	$_
		1441	}
		1442
		1443	sub hintmode {
		1444	$_[0]{hintmode} = $_[1] if @_ > 1;
		1445	$_[0]{hintmode}
		1446	}
		1447
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1448	=item $player->ext_reply ($msgid, %msg)
1205		1449
1206	Sends an ext reply to the player.	1450	Sends an ext reply to the player.
1207		1451
1208	=cut	1452	=cut
1209		1453
1210	sub ext_reply($$$%) {	1454	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1455	my ($self, $id, %msg) = @_;
1212		1456
1213	$msg{msgid} = $id;	1457	$msg{msgid} = $id;
1214		1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1459	}
1217		1460
1218	package cf;	1461	=item $player->ext_event ($type, %msg)
		1462
		1463	Sends an ext event to the client.
		1464
		1465	=cut
		1466
		1467	sub ext_event($$%) {
		1468	my ($self, $type, %msg) = @_;
		1469
		1470	$self->ns->ext_event ($type, %msg);
		1471	}
		1472
		1473	=head3 cf::region
		1474
		1475	=over 4
		1476
		1477	=cut
		1478
		1479	package cf::region;
		1480
		1481	=item cf::region::find_by_path $path
		1482
		1483	Tries to decuce the likely region for a map knowing only its path.
		1484
		1485	=cut
		1486
		1487	sub find_by_path($) {
		1488	my ($path) = @_;
		1489
		1490	my ($match, $specificity);
		1491
		1492	for my $region (list) {
		1493	if ($region->match && $path =~ $region->match) {
		1494	($match, $specificity) = ($region, $region->specificity)
		1495	if $region->specificity > $specificity;
		1496	}
		1497	}
		1498
		1499	$match
		1500	}
1219		1501
1220	=back	1502	=back
1221
1222		1503
1223	=head3 cf::map	1504	=head3 cf::map
1224		1505
1225	=over 4	1506	=over 4
1226		1507
…		…
1229	package cf::map;	1510	package cf::map;
1230		1511
1231	use Fcntl;	1512	use Fcntl;
1232	use Coro::AIO;	1513	use Coro::AIO;
1233		1514
		1515	use overload
		1516	'""' => \&as_string,
		1517	fallback => 1;
		1518
1234	our $MAX_RESET = 3600;	1519	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1520	our $DEFAULT_RESET = 3000;
1236		1521
1237	sub generate_random_map {	1522	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1523	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1524	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1525	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1529	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1530	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1536	(cf::region::find $rmp->{region}), $rmp->{custom}
		1537	)
		1538	}
		1539
		1540	=item cf::map->register ($regex, $prio)
		1541
		1542	Register a handler for the map path matching the given regex at the
		1543	givne priority (higher is better, built-in handlers have priority 0, the
		1544	default).
		1545
		1546	=cut
		1547
		1548	sub register {
		1549	my (undef, $regex, $prio) = @_;
		1550	my $pkg = caller;
		1551
		1552	no strict;
		1553	push @{"$pkg\::ISA"}, __PACKAGE__;
		1554
		1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1556	}
		1557
		1558	# also paths starting with '/'
		1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1560
		1561	sub thawer_merge {
		1562	my ($self, $merge) = @_;
		1563
		1564	# we have to keep some variables in memory intact
		1565	local $self->{path};
		1566	local $self->{load_path};
		1567
		1568	$self->SUPER::thawer_merge ($merge);
		1569	}
		1570
		1571	sub normalise {
		1572	my ($path, $base) = @_;
		1573
		1574	$path = "$path"; # make sure its a string
		1575
		1576	$path =~ s/\.map$//;
		1577
		1578	# map plan:
		1579	#
		1580	# /! non-realised random map exit (special hack!)
		1581	# {... are special paths that are not being touched
		1582	# ?xxx/... are special absolute paths
		1583	# ?random/... random maps
		1584	# /... normal maps
		1585	# ~user/... per-player map of a specific user
		1586
		1587	$path =~ s/$PATH_SEP/\//go;
		1588
		1589	# treat it as relative path if it starts with
		1590	# something that looks reasonable
		1591	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1592	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1593
		1594	$base =~ s{[^/]+/?$}{};
		1595	$path = "$base/$path";
		1596	}
		1597
		1598	for ($path) {
		1599	redo if s{//}{/};
		1600	redo if s{/\.?/}{/};
		1601	redo if s{/[^/]+/\.\./}{/};
		1602	}
		1603
		1604	$path
		1605	}
		1606
		1607	sub new_from_path {
		1608	my (undef, $path, $base) = @_;
		1609
		1610	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1611
		1612	$path = normalise $path, $base;
		1613
		1614	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1615	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1616	my $self = bless cf::map::new, $pkg;
		1617	$self->{path} = $path; $self->path ($path);
		1618	$self->init; # pass $1 etc.
		1619	return $self;
		1620	}
		1621	}
		1622
		1623	Carp::carp "unable to resolve path '$path' (base '$base').";
		1624	()
		1625	}
		1626
		1627	sub init {
		1628	my ($self) = @_;
		1629
		1630	$self
		1631	}
		1632
		1633	sub as_string {
		1634	my ($self) = @_;
		1635
		1636	"$self->{path}"
		1637	}
		1638
		1639	# the displayed name, this is a one way mapping
		1640	sub visible_name {
		1641	&as_string
		1642	}
		1643
		1644	# the original (read-only) location
		1645	sub load_path {
		1646	my ($self) = @_;
		1647
		1648	"$MAPDIR/$self->{path}.map"
		1649	}
		1650
		1651	# the temporary/swap location
		1652	sub save_path {
		1653	my ($self) = @_;
		1654
		1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1656	"$TMPDIR/$path.map"
		1657	}
		1658
		1659	# the unique path, undef == no special unique path
		1660	sub uniq_path {
		1661	my ($self) = @_;
		1662
		1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1664	"$UNIQUEDIR/$path"
1254	}	1665	}
1255		1666
1256	# and all this just because we cannot iterate over	1667	# and all this just because we cannot iterate over
1257	# all maps in C++...	1668	# all maps in C++...
1258	sub change_all_map_light {	1669	sub change_all_map_light {
…		…
1260		1671
1261	$_->change_map_light ($change)	1672	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1673	for grep $_->outdoor, values %cf::MAP;
1263	}	1674	}
1264		1675
		1676	sub decay_objects {
		1677	my ($self) = @_;
		1678
		1679	return if $self->{deny_reset};
		1680
		1681	$self->do_decay_objects;
		1682	}
		1683
		1684	sub unlink_save {
		1685	my ($self) = @_;
		1686
		1687	utf8::encode (my $save = $self->save_path);
		1688	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1690	}
		1691
1265	sub try_load_header($) {	1692	sub load_header_from($) {
1266	my ($path) = @_;	1693	my ($self, $path) = @_;
1267		1694
1268	utf8::encode $path;	1695	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1696	#aio_open $path, O_RDONLY, 0
		1697	# or return;
		1698
		1699	$self->_load_header ($path)
1270	or return;	1700	or return;
1271		1701
1272	my $map = cf::map::new	1702	$self->{load_path} = $path;
		1703
		1704	1
		1705	}
		1706
		1707	sub load_header_orig {
		1708	my ($self) = @_;
		1709
		1710	$self->load_header_from ($self->load_path)
		1711	}
		1712
		1713	sub load_header_temp {
		1714	my ($self) = @_;
		1715
		1716	$self->load_header_from ($self->save_path)
		1717	}
		1718
		1719	sub prepare_temp {
		1720	my ($self) = @_;
		1721
		1722	$self->last_access ((delete $self->{last_access})
		1723	|| $cf::RUNTIME); #d#
		1724	# safety
		1725	$self->{instantiate_time} = $cf::RUNTIME
		1726	if $self->{instantiate_time} > $cf::RUNTIME;
		1727	}
		1728
		1729	sub prepare_orig {
		1730	my ($self) = @_;
		1731
		1732	$self->{load_original} = 1;
		1733	$self->{instantiate_time} = $cf::RUNTIME;
		1734	$self->last_access ($cf::RUNTIME);
		1735	$self->instantiate;
		1736	}
		1737
		1738	sub load_header {
		1739	my ($self) = @_;
		1740
		1741	if ($self->load_header_temp) {
		1742	$self->prepare_temp;
		1743	} else {
		1744	$self->load_header_orig
1273	or return;	1745	or return;
		1746	$self->prepare_orig;
		1747	}
1274		1748
1275	# for better error messages only, will be overwritten	1749	$self->{deny_reset} = 1
1276	$map->path ($path);	1750	if $self->no_reset;
1277		1751
1278	$map->load_header ($path)	1752	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1753	unless $self->default_region;
1280		1754
1281	$map->{load_path} = $path;	1755	1
1282
1283	$map
1284	}	1756	}
1285		1757
1286	sub find;	1758	sub find;
1287	sub find {	1759	sub find {
1288	my ($path, $origin) = @_;	1760	my ($path, $origin) = @_;
1289		1761
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1762	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1763
1295	cf::lock_wait "map_find:$key";	1764	cf::lock_wait "map_find:$path";
1296		1765
1297	$cf::MAP{$key} || do {	1766	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1767	my $guard = cf::lock_acquire "map_find:$path";
1299		1768	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;	1769	or return;
1319		1770
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;	1771	$map->{last_save} = $cf::RUNTIME;
1332		1772
1333	Coro::cede;	1773	$map->load_header
		1774	or return;
1334		1775
1335	if ($map->should_reset) {	1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1777	# doing this can freeze the server in a sync job, obviously
		1778	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1779	$map->reset;
1337	undef $guard;	1780	undef $guard;
1338	$map = find $path	1781	return find $path;
1339	or return;
1340	}	1782	}
1341		1783
1342	$cf::MAP{$key} = $map	1784	$cf::MAP{$path} = $map
1343	}	1785	}
1344	}	1786	}
		1787
		1788	sub pre_load { }
		1789	sub post_load { }
1345		1790
1346	sub load {	1791	sub load {
1347	my ($self) = @_;	1792	my ($self) = @_;
1348		1793
		1794	local $self->{deny_reset} = 1; # loading can take a long time
		1795
1349	my $path = $self->{path};	1796	my $path = $self->{path};
		1797
		1798	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1799	my $guard = cf::lock_acquire "map_load:$path";
1351		1800
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1801	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1802
1354	$self->in_memory (cf::MAP_LOADING);	1803	$self->in_memory (cf::MAP_LOADING);
1355		1804
1356	$self->alloc;	1805	$self->alloc;
		1806
		1807	$self->pre_load;
		1808	Coro::cede;
		1809
1357	$self->load_objects ($self->{load_path}, 1)	1810	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1811	or return;
1359		1812
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1814	if delete $self->{load_original};
1362		1815
1363	if (my $uniq = $path->uniq_path) {	1816	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1817	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1818	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1819	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1820	$self->_load_objects ($uniq, 0);
1368	}	1821	}
1369	}	1822	}
1370		1823
1371	Coro::cede;	1824	Coro::cede;
1372
1373	# now do the right thing for maps	1825	# now do the right thing for maps
1374	$self->link_multipart_objects;	1826	$self->link_multipart_objects;
1375
1376	if ($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)	1827	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1828	unless $self->difficulty;
		1829	Coro::cede;
		1830
		1831	unless ($self->{deny_activate}) {
		1832	$self->decay_objects;
		1833	$self->fix_auto_apply;
		1834	$self->update_buttons;
		1835	Coro::cede;
		1836	$self->set_darkness_map;
		1837	Coro::cede;
1386	$self->activate;	1838	$self->activate;
1387	}	1839	}
1388		1840
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1841	$self->in_memory (cf::MAP_IN_MEMORY);
		1842	}
		1843
		1844	$self->post_load;
		1845	}
		1846
		1847	sub customise_for {
		1848	my ($self, $ob) = @_;
		1849
		1850	return find "~" . $ob->name . "/" . $self->{path}
		1851	if $self->per_player;
		1852
		1853	# return find "?party/" . $ob->name . "/" . $self->{path}
		1854	# if $self->per_party;
		1855
		1856	$self
1392	}	1857	}
1393		1858
1394	# find and load all maps in the 3x3 area around a map	1859	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1860	sub load_diag {
1396	my ($map) = @_;	1861	my ($map) = @_;
…		…
1426		1891
1427	cf::sync_job { $map->load };	1892	cf::sync_job { $map->load };
1428	}	1893	}
1429		1894
1430	our %MAP_PREFETCH;	1895	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1896	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1897
1446	sub find_async {	1898	sub find_async {
1447	my ($path, $origin) = @_;	1899	my ($path, $origin) = @_;
1448		1900
1449	$path = new cf::path $path, $origin && $origin->path;	1901	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1902
1452	if (my $map = $cf::MAP{$key}) {	1903	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1905	}
1455		1906
1456	$MAP_PREFETCH{$key} = $path;	1907	undef $MAP_PREFETCH{$path};
		1908	$MAP_PREFETCHER ||= cf::async {
		1909	while (%MAP_PREFETCH) {
		1910	for my $path (keys %MAP_PREFETCH) {
		1911	my $map = find $path
		1912	or next;
		1913	$map->load;
		1914
		1915	delete $MAP_PREFETCH{$path};
		1916	}
		1917	}
		1918	undef $MAP_PREFETCHER;
		1919	};
1457	$MAP_PREFETCHER->ready;	1920	$MAP_PREFETCHER->prio (6);
1458		1921
1459	()	1922	()
1460	}	1923	}
1461		1924
1462	sub save {	1925	sub save {
…		…
1466		1929
1467	$self->{last_save} = $cf::RUNTIME;	1930	$self->{last_save} = $cf::RUNTIME;
1468		1931
1469	return unless $self->dirty;	1932	return unless $self->dirty;
1470		1933
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1934	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1935	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1936
1474	$self->{load_path} = $save;	1937	$self->{load_path} = $save;
1475		1938
1476	return if $self->{deny_save};	1939	return if $self->{deny_save};
1477		1940
…		…
1480	cf::async {	1943	cf::async {
1481	$_->contr->save for $self->players;	1944	$_->contr->save for $self->players;
1482	};	1945	};
1483		1946
1484	if ($uniq) {	1947	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1950	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1952	}
1490	}	1953	}
1491		1954
1492	sub swap_out {	1955	sub swap_out {
1493	my ($self) = @_;	1956	my ($self) = @_;
…		…
1507		1970
1508	sub reset_at {	1971	sub reset_at {
1509	my ($self) = @_;	1972	my ($self) = @_;
1510		1973
1511	# TODO: safety, remove and allow resettable per-player maps	1974	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1975	return 1e99 if $self->{deny_reset};
1514		1976
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1977	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1978	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1979
…		…
1522	my ($self) = @_;	1984	my ($self) = @_;
1523		1985
1524	$self->reset_at <= $cf::RUNTIME	1986	$self->reset_at <= $cf::RUNTIME
1525	}	1987	}
1526		1988
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1989	sub reset {
1549	my ($self) = @_;	1990	my ($self) = @_;
1550		1991
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1992	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1993
1553	return if $self->players;	1994	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1995
1556	warn "resetting map ", $self->path;#d#	1996	warn "resetting map ", $self->path;
		1997
		1998	$self->in_memory (cf::MAP_SWAPPED);
		1999
		2000	# need to save uniques path
		2001	unless ($self->{deny_save}) {
		2002	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2003
		2004	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2005	if $uniq;
		2006	}
1557		2007
1558	delete $cf::MAP{$self->path};	2008	delete $cf::MAP{$self->path};
		2009
		2010	$self->clear;
1559		2011
1560	$_->clear_links_to ($self) for values %cf::MAP;	2012	$_->clear_links_to ($self) for values %cf::MAP;
1561		2013
1562	$self->unlink_save;	2014	$self->unlink_save;
1563	$self->destroy;	2015	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2018	my $nuke_counter = "aaaa";
1567		2019
1568	sub nuke {	2020	sub nuke {
1569	my ($self) = @_;	2021	my ($self) = @_;
1570		2022
		2023	delete $cf::MAP{$self->path};
		2024
		2025	$self->unlink_save;
		2026
		2027	bless $self, "cf::map";
		2028	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2029	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2030	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2032
		2033	$cf::MAP{$self->path} = $self;
		2034
1574	$self->reset; # polite request, might not happen	2035	$self->reset; # polite request, might not happen
1575	}	2036	}
1576		2037
1577	sub customise_for {	2038	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2039
1580	if ($map->per_player) {	2040	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2041	maps. May block.
		2042
		2043	=cut
		2044
		2045	sub tmp_maps() {
1582	}	2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise $_
		2051	: ()
		2052	} @{ aio_readdir $TMPDIR or [] }
		2053	]
		2054	}
1583		2055
1584	$map	2056	=item $maps = cf::map::random_maps
		2057
		2058	Returns an arrayref with all map paths of currently instantiated and saved
		2059	random maps. May block.
		2060
		2061	=cut
		2062
		2063	sub random_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise "?random/$_"
		2069	: ()
		2070	} @{ aio_readdir $RANDOMDIR or [] }
		2071	]
1585	}	2072	}
1586		2073
1587	=item cf::map::unique_maps	2074	=item cf::map::unique_maps
1588		2075
1589	Returns an arrayref of cf::path's of all shared maps that have	2076	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2077	instantiated unique items. May block.
1591		2078
1592	=cut	2079	=cut
1593		2080
1594	sub unique_maps() {	2081	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2082	[
1596	or return;	2083	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2084	utf8::decode $_;
1602	next if /\.pst$/;	2085	/\.map$/
1603	next unless /^$PATH_SEP/o;	2086	? normalise $_
1604		2087	: ()
1605	push @paths, new cf::path $_;	2088	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2089	]
1607
1608	\@paths
1609	}	2090	}
1610		2091
1611	package cf;	2092	package cf;
1612		2093
1613	=back	2094	=back
…		…
1659		2140
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2141	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2142
1662	if ($self->{record_replies}) {	2143	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2144	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2145
1664	} else {	2146	} else {
		2147	my $pl = $self->contr;
		2148
		2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2150	my $diag = $pl->{npc_dialog};
		2151	$diag->{pl}->ext_reply (
		2152	$diag->{id},
		2153	msgtype => "reply",
		2154	msg => $diag->{pl}->expand_cfpod ($msg),
		2155	add_topics => []
		2156	);
		2157
		2158	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2159	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2160	$self->message ($msg, $flags);
		2161	}
1667	}	2162	}
1668	}	2163	}
1669		2164
1670	=item $player_object->may ("access")	2165	=item $player_object->may ("access")
1671		2166
…		…
1685		2180
1686	=item $player_object->enter_link	2181	=item $player_object->enter_link
1687		2182
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2183	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2184
1690	The player should be reaosnably safe there for short amounts of time. You	2185	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.	2186	I<MUST> call C<leave_link> as soon as possible, though.
1692		2187
		2188	Will never block.
		2189
1693	=item $player_object->leave_link ($map, $x, $y)	2190	=item $player_object->leave_link ($map, $x, $y)
1694		2191
1695	Moves the player out of the specila link map onto the given map. If the	2192	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2193	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2194	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2195	fails, to the emergency map position.
1699		2196
1700	Might block.	2197	Might block.
1701		2198
1702	=cut	2199	=cut
		2200
		2201	sub link_map {
		2202	unless ($LINK_MAP) {
		2203	$LINK_MAP = cf::map::find "{link}"
		2204	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2205	$LINK_MAP->load;
		2206	}
		2207
		2208	$LINK_MAP
		2209	}
1703		2210
1704	sub cf::object::player::enter_link {	2211	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2212	my ($self) = @_;
1706		2213
1707	$self->deactivate_recursive;	2214	$self->deactivate_recursive;
1708		2215
1709	return if $self->map == $LINK_MAP;	2216	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2217
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2219	if $self->map && $self->map->{path} ne "{link}";
1713		2220
1714	$self->enter_map ($LINK_MAP, 20, 20);	2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2222	}
1716		2223
1717	sub cf::object::player::leave_link {	2224	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2225	my ($self, $map, $x, $y) = @_;
		2226
		2227	return unless $self->contr->active;
1719		2228
1720	my $link_pos = delete $self->{_link_pos};	2229	my $link_pos = delete $self->{_link_pos};
1721		2230
1722	unless ($map) {	2231	unless ($map) {
1723	# restore original map position	2232	# restore original map position
…		…
1741	$map->load;	2250	$map->load;
1742	$map->load_diag;	2251	$map->load_diag;
1743		2252
1744	return unless $self->contr->active;	2253	return unless $self->contr->active;
1745	$self->activate_recursive;	2254	$self->activate_recursive;
		2255
		2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2257	$self->enter_map ($map, $x, $y);
1747	}	2258	}
1748		2259
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
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)	2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2261
		2262	Moves the player to the given map-path and coordinates by first freezing
		2263	her, loading and preparing them map, calling the provided $check callback
		2264	that has to return the map if sucecssful, and then unfreezes the player on
		2265	the new (success) or old (failed) map position.
		2266
1783	=cut	2267	=cut
		2268
		2269	our $GOTOGEN;
1784		2270
1785	sub cf::object::player::goto {	2271	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2272	my ($self, $path, $x, $y, $check) = @_;
1787		2273
1788	$path = new cf::path $path;	2274	# do generation counting so two concurrent goto's will be executed in-order
		2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2276
1790	$self->enter_link;	2277	$self->enter_link;
1791		2278
1792	(async {	2279	(async {
		2280	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2281	my $map = cf::map::find $path;
		2282
		2283	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2284	$map = $map->customise_for ($self);
1795		2285	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2286	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2288	}
1800		2289
		2290	$map
		2291	};
		2292
		2293	if ($@) {
		2294	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2295	LOG llevError | logBacktrace, Carp::longmess $@;
		2296	}
		2297
		2298	if ($gen == $self->{_goto_generation}) {
		2299	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2300	$self->leave_link ($map, $x, $y);
		2301	}
1802	})->prio (1);	2302	})->prio (1);
1803	}	2303	}
1804		2304
1805	=item $player_object->enter_exit ($exit_object)	2305	=item $player_object->enter_exit ($exit_object)
1806		2306
…		…
1808		2308
1809	sub parse_random_map_params {	2309	sub parse_random_map_params {
1810	my ($spec) = @_;	2310	my ($spec) = @_;
1811		2311
1812	my $rmp = { # defaults	2312	my $rmp = { # defaults
1813	xsize => 10,	2313	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2314	ysize => (cf::rndm 15, 40),
		2315	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2316	#layout => string,
1815	};	2317	};
1816		2318
1817	for (split /\n/, $spec) {	2319	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2320	my ($k, $v) = split /\s+/, $_, 2;
1819		2321
…		…
1823	$rmp	2325	$rmp
1824	}	2326	}
1825		2327
1826	sub prepare_random_map {	2328	sub prepare_random_map {
1827	my ($exit) = @_;	2329	my ($exit) = @_;
		2330
		2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2332
1829	# all this does is basically replace the /! path by	2333	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2334	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2335	# that depends on the exit object
1832		2336
1833	my $rmp = parse_random_map_params $exit->msg;	2337	my $rmp = parse_random_map_params $exit->msg;
1834		2338
1835	if ($exit->map) {	2339	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2340	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2341	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2342	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2343	$rmp->{origin_y} = $exit->y;
1840	}	2344	}
1841		2345
1842	$rmp->{random_seed} ||= $exit->random_seed;	2346	$rmp->{random_seed} ||= $exit->random_seed;
1843		2347
1844	my $data = cf::to_json $rmp;	2348	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2349	my $md5 = Digest::MD5::md5_hex $data;
		2350	my $meta = "$RANDOMDIR/$md5.meta";
1846		2351
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2353	aio_write $fh, 0, (length $data), $data, 0;
		2354	undef $fh;
		2355	aio_rename "$meta~", $meta;
1849		2356
1850	$exit->slaying ("?random/$md5");	2357	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2358	$exit->msg (undef);
1852	}	2359	}
1853	}	2360	}
…		…
1855	sub cf::object::player::enter_exit {	2362	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2363	my ($self, $exit) = @_;
1857		2364
1858	return unless $self->type == cf::PLAYER;	2365	return unless $self->type == cf::PLAYER;
1859		2366
		2367	if ($exit->slaying eq "/!") {
		2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2369	# the problem is that $exit might not survive long enough
		2370	# so it needs to be done right now, right here
		2371	cf::sync_job { prepare_random_map $exit };
		2372	}
		2373
		2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2375	my $hp = $exit->stats->hp;
		2376	my $sp = $exit->stats->sp;
		2377
1860	$self->enter_link;	2378	$self->enter_link;
		2379
		2380	# if exit is damned, update players death & WoR home-position
		2381	$self->contr->savebed ($slaying, $hp, $sp)
		2382	if $exit->flag (FLAG_DAMNED);
1861		2383
1862	(async {	2384	(async {
1863	$self->deactivate_recursive; # just to be sure	2385	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2386	unless (eval {
1865	prepare_random_map $exit	2387	$self->goto ($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		2388
1871	1;	2389	1;
1872	}) {	2390	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2391	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2392	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2393	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2394	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2395
1878	warn "ERROR in enter_exit: $@";	2396	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2397	$self->leave_link;
1880	}	2398	}
1881	})->prio (1);	2399	})->prio (1);
…		…
1894		2412
1895	sub cf::client::send_drawinfo {	2413	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2414	my ($self, $text, $flags) = @_;
1897		2415
1898	utf8::encode $text;	2416	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2418	}
1901		2419
		2420	=item $client->send_msg ($color, $type, $msg, [extra...])
		2421
		2422	Send a drawinfo or msg packet to the client, formatting the msg for the
		2423	client if neccessary. C<$type> should be a string identifying the type of
		2424	the message, with C<log> being the default. If C<$color> is negative, suppress
		2425	the message unless the client supports the msg packet.
		2426
		2427	=cut
		2428
		2429	sub cf::client::send_msg {
		2430	my ($self, $color, $type, $msg, @extra) = @_;
		2431
		2432	$msg = $self->pl->expand_cfpod ($msg);
		2433
		2434	return unless @extra || length $msg;
		2435
		2436	if ($self->can_msg) {
		2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2438	} else {
		2439	# replace some tags by gcfclient-compatible ones
		2440	for ($msg) {
		2441	1 while
		2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2447	}
		2448
		2449	if ($color >= 0) {
		2450	if (0 && $msg =~ /\[/) {
		2451	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2452	} else {
		2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2454	$self->send_packet ("drawinfo $color $msg")
		2455	}
		2456	}
		2457	}
		2458	}
		2459
		2460	=item $client->ext_event ($type, %msg)
		2461
		2462	Sends an ext event to the client.
		2463
		2464	=cut
		2465
		2466	sub cf::client::ext_event($$%) {
		2467	my ($self, $type, %msg) = @_;
		2468
		2469	$msg{msgtype} = "event_$type";
		2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2471	}
1902		2472
1903	=item $success = $client->query ($flags, "text", \&cb)	2473	=item $success = $client->query ($flags, "text", \&cb)
1904		2474
1905	Queues a query to the client, calling the given callback with	2475	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>,	2476	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>.	2477	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2478
1909	Queries can fail, so check the return code. Or don't, as queries will become	2479	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2480	become reliable at some point in the future.
1911		2481
1912	=cut	2482	=cut
1913		2483
1914	sub cf::client::query {	2484	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2485	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2493	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2494	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2495
1926	$self->send_packet ($self->{query_queue}[0][0])	2496	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2497	if @{ $self->{query_queue} } == 1;
		2498
		2499	1
1928	}	2500	}
1929		2501
1930	cf::client->attach (	2502	cf::client->attach (
		2503	on_connect => sub {
		2504	my ($ns) = @_;
		2505
		2506	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2507	},
1931	on_reply => sub {	2508	on_reply => sub {
1932	my ($ns, $msg) = @_;	2509	my ($ns, $msg) = @_;
1933		2510
1934	# this weird shuffling is so that direct followup queries	2511	# this weird shuffling is so that direct followup queries
1935	# get handled first	2512	# get handled first
1936	my $queue = delete $ns->{query_queue}	2513	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2514	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2515
1939	(shift @$queue)->[1]->($msg);	2516	(shift @$queue)->[1]->($msg);
		2517	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2518
1941	push @{ $ns->{query_queue} }, @$queue;	2519	push @{ $ns->{query_queue} }, @$queue;
1942		2520
1943	if (@{ $ns->{query_queue} } == @$queue) {	2521	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2522	if (@$queue) {
…		…
1946	} else {	2524	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2525	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2526	}
1949	}	2527	}
1950	},	2528	},
		2529	on_exticmd => sub {
		2530	my ($ns, $buf) = @_;
		2531
		2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2533
		2534	if (ref $msg) {
		2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2536	if (my %reply = $cb->($ns, $msg)) {
		2537	$reply{msgid} = $msg->{msgid};
		2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2539	}
		2540	}
		2541	} else {
		2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2543	}
		2544
		2545	cf::override;
		2546	},
1951	);	2547	);
1952		2548
1953	=item $client->async (\&cb)	2549	=item $client->async (\&cb)
1954		2550
1955	Create a new coroutine, running the specified callback. The coroutine will	2551	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2598
2003	# here we export the classes and methods available to script code	2599	# here we export the classes and methods available to script code
2004		2600
2005	=pod	2601	=pod
2006		2602
2007	The following fucntions and emthods are available within a safe environment:	2603	The following functions and methods are available within a safe environment:
2008		2604
2009	cf::object contr pay_amount pay_player map	2605	cf::object
		2606	contr pay_amount pay_player map x y force_find force_add
		2607	insert remove
		2608
2010	cf::object::player player	2609	cf::object::player
2011	cf::player peaceful	2610	player
2012	cf::map trigger	2611
		2612	cf::player
		2613	peaceful
		2614
		2615	cf::map
		2616	trigger
2013		2617
2014	=cut	2618	=cut
2015		2619
2016	for (	2620	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2622	insert remove)],
2018	["cf::object::player" => qw(player)],	2623	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2624	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2625	["cf::map" => qw(trigger)],
2021	) {	2626	) {
2022	no strict 'refs';	2627	no strict 'refs';
…		…
2093	=back	2698	=back
2094		2699
2095	=cut	2700	=cut
2096		2701
2097	#############################################################################	2702	#############################################################################
		2703	# the server's init and main functions
2098		2704
2099	=head2 EXTENSION DATABASE SUPPORT	2705	sub load_facedata($) {
		2706	my ($path) = @_;
2100		2707
2101	Crossfire maintains a very simple database for extension use. It can	2708	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2709
2105	The parameter C<$family> should best start with the name of the extension	2710	my $facedata;
2106	using it, it should be unique.	2711	0 < aio_load $path, $facedata
		2712	or die "$path: $!";
2107		2713
2108	=over 4	2714	$facedata = Coro::Storable::thaw $facedata;
2109		2715
2110	=item $hashref = cf::db_get $family	2716	$facedata->{version} == 2
		2717	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2718
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
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	}	2719	{
		2720	my $faces = $facedata->{faceinfo};
2148		2721
2149	my $pid;	2722	while (my ($face, $info) = each %$faces) {
2150		2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2727	Coro::cede;
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	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2728	}
2197	);
2198	}
2199		2729
2200	#############################################################################	2730	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2731	next unless $info->{smooth};
		2732	my $idx = cf::face::find $face
		2733	or next;
		2734	if (my $smooth = cf::face::find $info->{smooth}) {
		2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2736	} else {
		2737	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2738	}
		2739	Coro::cede;
		2740	}
		2741	}
		2742
		2743	{
		2744	my $anims = $facedata->{animinfo};
		2745
		2746	while (my ($anim, $info) = each %$anims) {
		2747	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2748	Coro::cede;
		2749	}
		2750
		2751	cf::anim::invalidate_all; # d'oh
		2752	}
		2753
		2754	1
		2755	}
		2756
		2757	sub reload_regions {
		2758	load_resource_file "$MAPDIR/regions"
		2759	or die "unable to load regions file\n";
		2760	}
		2761
		2762	sub reload_facedata {
		2763	load_facedata "$DATADIR/facedata"
		2764	or die "unable to load facedata\n";
		2765	}
		2766
		2767	sub reload_archetypes {
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	#d# NEED to laod twice to resolve forward references
		2771	# this really needs to be done in an extra post-pass
		2772	# (which needs to be synchronous, so solve it differently)
		2773	load_resource_file "$DATADIR/archetypes"
		2774	or die "unable to load archetypes\n";
		2775	}
		2776
		2777	sub reload_treasures {
		2778	load_resource_file "$DATADIR/treasures"
		2779	or die "unable to load treasurelists\n";
		2780	}
		2781
		2782	sub reload_resources {
		2783	warn "reloading resource files...\n";
		2784
		2785	reload_regions;
		2786	reload_facedata;
		2787	#reload_archetypes;#d#
		2788	reload_archetypes;
		2789	reload_treasures;
		2790
		2791	warn "finished reloading resource files\n";
		2792	}
		2793
		2794	sub init {
		2795	reload_resources;
		2796	}
2202		2797
2203	sub cfg_load {	2798	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2799	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2800	or return;
2206		2801
2207	local $/;	2802	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2803	*CFG = YAML::Syck::Load <$fh>;
2209		2804
…		…
2223		2818
2224	sub main {	2819	sub main {
2225	# we must not ever block the main coroutine	2820	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2821	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2823	(async {
2228	async { Event::one_event };	2824	Event::one_event;
		2825	})->prio (Coro::PRIO_MAX);
2229	};	2826	};
2230		2827
2231	cfg_load;	2828	cfg_load;
2232	db_load;	2829	db_init;
2233	load_extensions;	2830	load_extensions;
		2831
		2832	$TICK_WATCHER->start;
2234	Event::loop;	2833	Event::loop;
2235	}	2834	}
2236		2835
2237	#############################################################################	2836	#############################################################################
2238	# initialisation and cleanup	2837	# initialisation and cleanup
2239		2838
2240	# install some emergency cleanup handlers	2839	# install some emergency cleanup handlers
2241	BEGIN {	2840	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2841	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2842	Event->signal (
		2843	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2844	data => WF_AUTOCANCEL,
2245	signal => $signal,	2845	signal => $signal,
		2846	prio => 0,
2246	cb => sub {	2847	cb => sub {
2247	cf::cleanup "SIG$signal";	2848	cf::cleanup "SIG$signal";
2248	},	2849	},
2249	);	2850	);
2250	}	2851	}
2251	}	2852	}
2252		2853
		2854	sub write_runtime {
		2855	my $runtime = "$LOCALDIR/runtime";
		2856
		2857	# first touch the runtime file to show we are still running:
		2858	# the fsync below can take a very very long time.
		2859
		2860	IO::AIO::aio_utime $runtime, undef, undef;
		2861
		2862	my $guard = cf::lock_acquire "write_runtime";
		2863
		2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2865	or return;
		2866
		2867	my $value = $cf::RUNTIME + 90 + 10;
		2868	# 10 is the runtime save interval, for a monotonic clock
		2869	# 60 allows for the watchdog to kill the server.
		2870
		2871	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2872	and return;
		2873
		2874	# always fsync - this file is important
		2875	aio_fsync $fh
		2876	and return;
		2877
		2878	# touch it again to show we are up-to-date
		2879	aio_utime $fh, undef, undef;
		2880
		2881	close $fh
		2882	or return;
		2883
		2884	aio_rename "$runtime~", $runtime
		2885	and return;
		2886
		2887	warn "runtime file written.\n";
		2888
		2889	1
		2890	}
		2891
2253	sub emergency_save() {	2892	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2893	my $freeze_guard = cf::freeze_mainloop;
2255		2894
2256	warn "enter emergency perl save\n";	2895	warn "enter emergency perl save\n";
2257		2896
2258	cf::sync_job {	2897	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2898	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2899	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2900	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2901	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2902	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2903	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2904	$pl->valid or next;
2266	$pl->save;	2905	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2911	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2912	$map->valid or next;
2274	$map->save;	2913	$map->save;
2275	}	2914	}
2276	warn "end emergency map save\n";	2915	warn "end emergency map save\n";
		2916
		2917	warn "begin emergency database checkpoint\n";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919	warn "end emergency database checkpoint\n";
2277	};	2920	};
2278		2921
2279	warn "leave emergency perl save\n";	2922	warn "leave emergency perl save\n";
2280	}	2923	}
2281		2924
		2925	sub post_cleanup {
		2926	my ($make_core) = @_;
		2927
		2928	warn Carp::longmess "post_cleanup backtrace"
		2929	if $make_core;
		2930	}
		2931
2282	sub reload() {	2932	sub do_reload_perl() {
2283	# can/must only be called in main	2933	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2934	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2935	warn "can only reload from main coroutine";
2286	return;	2936	return;
2287	}	2937	}
2288		2938
2289	warn "reloading...";	2939	warn "reloading...";
2290		2940
2291	warn "freezing server";	2941	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2942
		2943	cf::sync_job {
		2944	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2945	cf::emergency_save;
		2946	cf::write_runtime; # external watchdog should not bark
2294		2947
2295	warn "sync database to disk";	2948	warn "syncing database to disk";
2296	cf::db_sync;	2949	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2950
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2951	# if anything goes wrong in here, we should simply crash as we already saved
2301		2952
2302	warn "cancel all watchers";	2953	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2954	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2956	}
2306		2957
		2958	warn "flushing outstanding aio requests";
		2959	for (;;) {
		2960	BDB::flush;
		2961	IO::AIO::flush;
		2962	Coro::cede;
		2963	last unless IO::AIO::nreqs || BDB::nreqs;
		2964	warn "iterate...";
		2965	}
		2966
		2967	++$RELOAD;
		2968
2307	warn "cancel all extension coros";	2969	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2970	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2971	%EXT_CORO = ();
2310		2972
2311	warn "remove commands";	2973	warn "removing commands";
2312	%COMMAND = ();	2974	%COMMAND = ();
2313		2975
2314	warn "remove ext commands";	2976	warn "removing ext/exti commands";
2315	%EXTCMD = ();	2977	%EXTCMD = ();
		2978	%EXTICMD = ();
2316		2979
2317	warn "unload/nuke all extensions";	2980	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2981	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2982	warn "... unloading $pkg";
2320		2983
2321	if (my $cb = $pkg->can ("unload")) {	2984	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2985	eval {
2323	$cb->($pkg);	2986	$cb->($pkg);
2324	1	2987	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2988	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2989	}
2327		2990
		2991	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2992	Symbol::delete_package $pkg;
2329	}	2993	}
2330		2994
2331	warn "unload all perl modules loaded from $LIBDIR";	2995	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2996	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2998
2335	warn "removing <$k>";	2999	warn "... unloading $k";
2336	delete $INC{$k};	3000	delete $INC{$k};
2337		3001
2338	$k =~ s/\.pm$//;	3002	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3003	$k =~ s/\//::/g;
2340		3004
…		…
2343	}	3007	}
2344		3008
2345	Symbol::delete_package $k;	3009	Symbol::delete_package $k;
2346	}	3010	}
2347		3011
2348	warn "get rid of safe::, as good as possible";	3012	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3013	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3015
2352	warn "unload cf.pm \"a bit\"";	3016	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3017	delete $INC{"cf.pm"};
		3018	delete $INC{"cf/pod.pm"};
2354		3019
2355	# don't, removes xs symbols, too,	3020	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3021	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3022	#Symbol::delete_package __PACKAGE__;
2358		3023
		3024	warn "unload completed, starting to reload now";
		3025
2359	warn "reloading cf.pm";	3026	warn "reloading cf.pm";
2360	require cf;	3027	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3029
2363	warn "load config and database again";	3030	warn "loading config and database again";
2364	cf::cfg_load;	3031	cf::cfg_load;
2365	cf::db_load;
2366		3032
2367	warn "load extensions";	3033	warn "loading extensions";
2368	cf::load_extensions;	3034	cf::load_extensions;
2369		3035
2370	warn "reattach attachments to objects/players";	3036	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3037	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3038	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3039	reattach $_ for values %MAP;
2374	};	3040	warn "reattaching attachments to players";
		3041	reattach $_ for values %PLAYER;
2375		3042
2376	if ($@) {	3043	warn "leaving sync_job";
		3044
		3045	1
		3046	} or do {
2377	warn $@;	3047	warn $@;
2378	warn "error while reloading, exiting.";	3048	warn "error while reloading, exiting.";
2379	exit 1;	3049	exit 1;
2380	}	3050	};
2381		3051
2382	warn "reloaded";	3052	warn "reloaded";
2383	};	3053	};
2384		3054
2385	#############################################################################	3055	our $RELOAD_WATCHER; # used only during reload
2386		3056
2387	unless ($LINK_MAP) {	3057	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3058	# doing reload synchronously and two reloads happen back-to-back,
		3059	# coro crashes during coro_state_free->destroy here.
2389		3060
2390	$LINK_MAP->width (41);	3061	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3062	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3063	after => 0,
		3064	data => WF_AUTOCANCEL,
2400	cb => sub {	3065	cb => sub {
2401	$_[0]->w->cancel;	3066	do_reload_perl;
2402		3067	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3068	},
2421		3069	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3070	}
2427		3071
2428	register_command "reload" => sub {	3072	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3073	my ($who, $arg) = @_;
2430		3074
2431	if ($who->flag (FLAG_WIZ)) {	3075	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3076	$who->message ("reloading server.");
		3077	async { reload_perl };
2435	}	3078	}
2436	};	3079	};
2437		3080
2438	unshift @INC, $LIBDIR;	3081	unshift @INC, $LIBDIR;
2439		3082
		3083	my $bug_warning = 0;
		3084
		3085	our @WAIT_FOR_TICK;
		3086	our @WAIT_FOR_TICK_BEGIN;
		3087
		3088	sub wait_for_tick {
		3089	return unless $TICK_WATCHER->is_active;
		3090	return if $Coro::current == $Coro::main;
		3091
		3092	my $signal = new Coro::Signal;
		3093	push @WAIT_FOR_TICK, $signal;
		3094	$signal->wait;
		3095	}
		3096
		3097	sub wait_for_tick_begin {
		3098	return unless $TICK_WATCHER->is_active;
		3099	return if $Coro::current == $Coro::main;
		3100
		3101	my $signal = new Coro::Signal;
		3102	push @WAIT_FOR_TICK_BEGIN, $signal;
		3103	$signal->wait;
		3104	}
		3105
		3106	my $min = 1e6;#d#
		3107	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3108	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3109	reentrant => 0,
		3110	parked => 1,
2442	prio => 0,	3111	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3112	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3113	data => WF_AUTOCANCEL,
2445	cb => sub {	3114	cb => sub {
		3115	if ($Coro::current != $Coro::main) {
		3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3117	unless ++$bug_warning > 10;
		3118	return;
		3119	}
		3120
		3121	$NOW = $tick_start = Event::time;
		3122
2446	cf::server_tick; # one server iteration	3123	cf::server_tick; # one server iteration
		3124
		3125	0 && sync_job {#d#
		3126	for(1..10) {
		3127	my $t = Event::time;
		3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3129	or die;
		3130
		3131	$map->width (50);
		3132	$map->height (50);
		3133	$map->alloc;
		3134	$map->_load_objects ("/tmp/x.map", 1);
		3135	my $t = Event::time - $t;
		3136
		3137	#next unless $t < 0.0013;#d#
		3138	if ($t < $min) {
		3139	$min = $t;
		3140	}
		3141	$avg = $avg * 0.99 + $t * 0.01;
		3142	}
		3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3144	exit 0;
		3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3146	};
		3147
2447	$RUNTIME += $TICK;	3148	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3149	$NEXT_TICK += $TICK;
2449		3150
2450	$WAIT_FOR_TICK->broadcast;	3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3153	Coro::async_pool {
		3154	write_runtime
		3155	or warn "ERROR: unable to write runtime file: $!";
		3156	};
		3157	}
		3158
		3159	# my $AFTER = Event::time;
		3160	# warn $AFTER - $NOW;#d#
		3161
		3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3163	$sig->send;
		3164	}
		3165	while (my $sig = shift @WAIT_FOR_TICK) {
		3166	$sig->send;
		3167	}
		3168
		3169	$NOW = Event::time;
2452		3170
2453	# if we are delayed by four ticks or more, skip them all	3171	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3173
2456	$TICK_WATCHER->at ($NEXT_TICK);	3174	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3175	$TICK_WATCHER->start;
		3176
		3177	$LOAD = ($NOW - $tick_start) / $TICK;
		3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3179
		3180	_post_tick;
		3181
		3182
2458	},	3183	},
2459	);	3184	);
2460		3185
		3186	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3187	BDB::max_poll_time $TICK * 0.1;
2462		3188	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3189	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3190	fd => BDB::poll_fileno,
2465	poll => 'r',	3191	poll => 'r',
2466	prio => 5,	3192	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3193	data => WF_AUTOCANCEL,
2473	after => 0,	3194	cb => \&BDB::poll_cb,
2474	interval => 10,	3195	);
2475	cb => sub {	3196	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3197
2477	write_runtime	3198	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3199	my $status;
		3200	my $current = $Coro::current;
		3201	(
		3202	sub {
		3203	$status = $!;
		3204	$current->ready; undef $current;
		3205	},
		3206	sub {
		3207	Coro::schedule while defined $current;
		3208	$! = $status;
		3209	},
		3210	)
		3211	};
		3212
		3213	unless ($DB_ENV) {
		3214	$DB_ENV = BDB::db_env_create;
		3215
		3216	cf::sync_job {
		3217	eval {
		3218	BDB::db_env_open
		3219	$DB_ENV,
		3220	$BDBDIR,
		3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3223	0666;
		3224
		3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3226
		3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3228	$DB_ENV->set_lk_detect;
		3229	};
		3230
		3231	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3232	};
2480	},	3233	}
2481	);	3234	}
		3235
		3236	{
		3237	IO::AIO::min_parallel 8;
		3238
		3239	undef $Coro::AIO::WATCHER;
		3240	IO::AIO::max_poll_time $TICK * 0.1;
		3241	$AIO_POLL_WATCHER = Event->io (
		3242	reentrant => 0,
		3243	data => WF_AUTOCANCEL,
		3244	fd => IO::AIO::poll_fileno,
		3245	poll => 'r',
		3246	prio => 6,
		3247	cb => \&IO::AIO::poll_cb,
		3248	);
		3249	}
		3250
		3251	my $_log_backtrace;
		3252
		3253	sub _log_backtrace {
		3254	my ($msg, @addr) = @_;
		3255
		3256	$msg =~ s/\n//;
		3257
		3258	# limit the # of concurrent backtraces
		3259	if ($_log_backtrace < 2) {
		3260	++$_log_backtrace;
		3261	async {
		3262	my @bt = fork_call {
		3263	@addr = map { sprintf "%x", $_ } @addr;
		3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3266	or die "addr2line: $!";
		3267
		3268	my @funcs;
		3269	my @res = <$fh>;
		3270	chomp for @res;
		3271	while (@res) {
		3272	my ($func, $line) = splice @res, 0, 2, ();
		3273	push @funcs, "[$func] $line";
		3274	}
		3275
		3276	@funcs
		3277	};
		3278
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] $_\n" for @bt;
		3281	--$_log_backtrace;
		3282	};
		3283	} else {
		3284	LOG llevInfo, "[ABT] $msg\n";
		3285	LOG llevInfo, "[ABT] [suppressed]\n";
		3286	}
		3287	}
		3288
		3289	# load additional modules
		3290	use cf::pod;
2482		3291
2483	END { cf::emergency_save }	3292	END { cf::emergency_save }
2484		3293
2485	1	3294	1
2486		3295

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