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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.298 by root, Sun Jul 8 14:50:07 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 $fh	414	sub fork_call(&@) {
351	and return;	415	my ($cb, @args) = @_;
352		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
353	close $fh	423	close $fh2;
354	or return;
355		424
356	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
357	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
358		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
359	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		493	my $key = "$_[0]/$_[1]";
		494
		495	cf::sync_job {
		496	BDB::db_get $DB, undef, $key, my $data;
		497
		498	$! ? ()
		499	: $data
		500	}
		501	}
		502
		503	sub db_put($$$) {
		504	BDB::dbreq_pri 4;
		505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		506	}
		507
		508	=item cf::cache $id => [$paths...], $processversion => $process
		509
		510	Generic caching function that returns the value of the resource $id,
		511	caching and regenerating as required.
		512
		513	This function can block.
		514
		515	=cut
		516
		517	sub cache {
		518	my ($id, $src, $processversion, $process) = @_;
		519
		520	my $meta =
		521	join "\x00",
		522	$processversion,
		523	map {
		524	aio_stat $_
		525	and Carp::croak "$_: $!";
		526
		527	($_, (stat _)[7,9])
		528	} @$src;
		529
		530	my $dbmeta = db_get cache => "$id/meta";
		531	if ($dbmeta ne $meta) {
		532	# changed, we may need to process
		533
		534	my @data;
		535	my $md5;
		536
		537	for (0 .. $#$src) {
		538	0 <= aio_load $src->[$_], $data[$_]
		539	or Carp::croak "$src->[$_]: $!";
		540	}
		541
		542	# if processing is expensive, check
		543	# checksum first
		544	if (1) {
		545	$md5 =
		546	join "\x00",
		547	$processversion,
		548	map {
		549	Coro::cede;
		550	($src->[$_], Digest::MD5::md5_hex $data[$_])
		551	} 0.. $#$src;
		552
		553
		554	my $dbmd5 = db_get cache => "$id/md5";
		555	if ($dbmd5 eq $md5) {
		556	db_put cache => "$id/meta", $meta;
		557
		558	return db_get cache => "$id/data";
		559	}
		560	}
		561
		562	my $t1 = Time::HiRes::time;
		563	my $data = $process->(\@data);
		564	my $t2 = Time::HiRes::time;
		565
		566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		567
		568	db_put cache => "$id/data", $data;
		569	db_put cache => "$id/md5" , $md5;
		570	db_put cache => "$id/meta", $meta;
		571
		572	return $data;
		573	}
		574
		575	db_get cache => "$id/data"
		576	}
		577
		578	=item cf::datalog type => key => value, ...
		579
		580	Log a datalog packet of the given type with the given key-value pairs.
		581
		582	=cut
		583
		584	sub datalog($@) {
		585	my ($type, %kv) = @_;
		586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	587	}
361		588
362	=back	589	=back
363		590
364	=cut	591	=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		592
493	#############################################################################	593	#############################################################################
494		594
495	=head2 ATTACHABLE OBJECTS	595	=head2 ATTACHABLE OBJECTS
496		596
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	598	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
500		600
501	In the following description, CLASS can be any of C<global>, C<object>	601	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	602	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	603	Crossfire TRT).
504		604
505	=over 4	605	=over 4
506		606
507	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
508		608
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	722	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	723	our @CB_MAP = ();
624		724
625	my %attachment;	725	my %attachment;
626		726
		727	sub cf::attachable::thawer_merge {
		728	# simply override everything except _meta
		729	local $_[0]{_meta};
		730	%{$_[0]} = %{$_[1]};
		731	}
		732
627	sub _attach_cb($$$$) {	733	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	734	my ($registry, $event, $prio, $cb) = @_;
629		735
630	use sort 'stable';	736	use sort 'stable';
631		737
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
666		772
667	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		777
672	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	779	my $pkg = shift @arg;
674		780
675	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
705	}	811	}
706		812
707	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
708	} else {	814	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	816	}
711		817
712	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
713	}	819	}
714		820
…		…
716	if (ref $_[0]) {	822	if (ref $_[0]) {
717	_object_attach @_;	823	_object_attach @_;
718	} else {	824	} else {
719	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
720	}	826	}
		827	_recalc_want;
721	};	828	};
722		829
723	# all those should be optimised	830	# all those should be optimised
724	sub cf::attachable::detach {	831	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
729	reattach ($obj);	836	reattach ($obj);
730	} else {	837	} else {
731	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
732	}	839	}
		840	_recalc_want;
733	};	841	};
734		842
735	sub cf::attachable::attached {	843	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
737		845
…		…
802	# object support	910	# object support
803		911
804	sub reattach {	912	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	913	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	914	my ($obj) = @_;
		915
		916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		917
808	my $registry = $obj->registry;	918	my $registry = $obj->registry;
809		919
810	@$registry = ();	920	@$registry = ();
811		921
…		…
858	$filename, length $$rdata, scalar @$objs;	968	$filename, length $$rdata, scalar @$objs;
859		969
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	971	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	973	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	974	close $fh;
865		975
866	if (@$objs) {	976	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	978	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	979	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	980	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	981	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	982	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	983	aio_rename "$filename.pst~", "$filename.pst";
874	}	984	}
875	} else {	985	} else {
876	aio_unlink "$filename.pst";	986	aio_unlink "$filename.pst";
…		…
908	or return;	1018	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1020	}
911		1021
912	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1024	return ($data, $av);
915	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
916		1032
917	#############################################################################	1033	#############################################################################
918	# command handling &c	1034	# command handling &c
919		1035
920	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1050	}
935		1051
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1053
938	Register a callbackf ro execution when the client sends an extcmd packet.	1054	Register a callback for execution when the client sends an (synchronous)
		1055	extcmd packet. Ext commands will be processed in the order they are
		1056	received by the server, like other user commands. The first argument is
		1057	the logged-in player. Ext commands can only be processed after a player
		1058	has logged in successfully.
939		1059
940	If the callback returns something, it is sent back as if reply was being	1060	If the callback returns something, it is sent back as if reply was being
941	called.	1061	called.
942		1062
		1063	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1064
		1065	Register a callback for execution when the client sends an (asynchronous)
		1066	exticmd packet. Exti commands are processed by the server as soon as they
		1067	are received, i.e. out of order w.r.t. other commands. The first argument
		1068	is a client socket. Exti commands can be received anytime, even before
		1069	log-in.
		1070
		1071	If the callback returns something, it is sent back as if reply was being
		1072	called.
		1073
943	=cut	1074	=cut
944		1075
945	sub register_extcmd {	1076	sub register_extcmd {
946	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
947		1078
948	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
949	}	1086	}
950		1087
951	cf::player->attach (	1088	cf::player->attach (
952	on_command => sub {	1089	on_command => sub {
953	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1099	cf::override;
963	},	1100	},
964	on_extcmd => sub {	1101	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
966		1103
967	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1105
969	if (ref $msg) {	1106	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1115
979	cf::override;	1116	cf::override;
980	},	1117	},
981	);	1118	);
982		1119
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 {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
1011	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1125	next unless -r $path;
1013	eval {	1126
1014	load_extension $ext;	1127	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1128	my $base = $1;
		1129	my $pkg = $1;
		1130	$pkg =~ s/[^[:word:]]/_/g;
		1131	$pkg = "ext::$pkg";
		1132
		1133	open my $fh, "<:utf8", $path
		1134	or die "$path: $!";
		1135
		1136	my $source = do { local $/; <$fh> };
		1137
		1138	my %ext = (
		1139	path => $path,
		1140	base => $base,
		1141	pkg => $pkg,
		1142	);
		1143
		1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1146
		1147	$ext{source} =
		1148	"package $pkg; use strict; use utf8;\n"
		1149	. "#line 1 \"$path\"\n{\n"
		1150	. $source
		1151	. "\n};\n1";
		1152
		1153	$todo{$base} = \%ext;
		1154	}
		1155
		1156	my %done;
		1157	while (%todo) {
		1158	my $progress;
		1159
		1160	while (my ($k, $v) = each %todo) {
		1161	for (split /,\s*/, $v->{meta}{depends}) {
		1162	goto skip
		1163	unless exists $done{$_};
		1164	}
		1165
		1166	warn "... loading '$k' into '$v->{pkg}'\n";
		1167
		1168	unless (eval $v->{source}) {
		1169	my $msg = $@ ? "$v->{path}: $@\n"
		1170	: "$v->{base}: extension inactive.\n";
		1171
		1172	if (exists $v->{meta}{mandatory}) {
		1173	warn $msg;
		1174	warn "mandatory extension failed to load, exiting.\n";
		1175	exit 1;
		1176	}
		1177
		1178	warn $msg;
		1179	}
		1180
		1181	$done{$k} = delete $todo{$k};
		1182	push @EXTS, $v->{pkg};
		1183	$progress = 1;
1015	1	1184	}
1016	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
1017	}	1190	};
1018	}	1191	}
1019		1192
1020	#############################################################################	1193	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1194
1023	*cf::mapsupport::on_clean = sub {	1195	=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		1196
1036	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
1037		1198
1038	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
1039		1200
…		…
1052	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
1053		1214
1054	=cut	1215	=cut
1055		1216
1056	sub playerdir($) {	1217	sub playerdir($) {
1057	cf::localdir	1218	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1220	}
1063		1221
1064	sub path($) {	1222	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1224
1067	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
1068	}	1226	}
1069		1227
1070	sub find_active($) {	1228	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
1075		1233
1076	sub exists($) {	1234	sub exists($) {
1077	my ($login) = @_;	1235	my ($login) = @_;
1078		1236
1079	$cf::PLAYER{$login}	1237	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1238	or cf::sync_job { !aio_stat path $login }
1081	}	1239	}
1082		1240
1083	sub find($) {	1241	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1242	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1243	my $login = $_[0];
1086		1244
1087	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
1088		1246
1089	$cf::PLAYER{$_[0]} || do {	1247	$cf::PLAYER{$_[0]} || do {
		1248	# rename old playerfiles to new ones
		1249	#TODO: remove when no longer required
		1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1253	aio_unlink +(playerdir $login) . "/$login.pl";
		1254
1090	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
1091	or return;	1256	or return;
1092	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
1093	}	1258	}
1094	}	1259	}
…		…
1131		1296
1132	=cut	1297	=cut
1133		1298
1134	sub quit_character {	1299	sub quit_character {
1135	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1136		1303
1137	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1305	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1306
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1316	$pl->destroy;
		1317
		1318	my $prefix = qr<^~\Q$name\E/>;
		1319
		1320	# nuke player maps
		1321	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1322
1150	IO::AIO::aio_rmtree $temp;	1323	IO::AIO::aio_rmtree $temp;
		1324	}
		1325
		1326	=item $pl->kick
		1327
		1328	Kicks a player out of the game. This destroys the connection.
		1329
		1330	=cut
		1331
		1332	sub kick {
		1333	my ($pl, $kicker) = @_;
		1334
		1335	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1336	$pl->killer ("kicked");
		1337	$pl->ns->destroy;
1151	}	1338	}
1152		1339
1153	=item cf::player::list_logins	1340	=item cf::player::list_logins
1154		1341
1155	Returns am arrayref of all valid playernames in the system, can take a	1342	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1157		1344
1158	=cut	1345	=cut
1159		1346
1160	sub list_logins {	1347	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1349	or return [];
1163		1350
1164	my @logins;	1351	my @logins;
1165		1352
1166	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1175	\@logins	1362	\@logins
1176	}	1363	}
1177		1364
1178	=item $player->maps	1365	=item $player->maps
1179		1366
1180	Returns an arrayref of cf::path's of all maps that are private for this	1367	Returns an arrayref of map paths that are private for this
1181	player. May block.	1368	player. May block.
1182		1369
1183	=cut	1370	=cut
1184		1371
1185	sub maps($) {	1372	sub maps($) {
1186	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1376
1188	my $files = aio_readdir playerdir $pl	1377	my $files = aio_readdir playerdir $pl
1189	or return;	1378	or return;
1190		1379
1191	my @paths;	1380	my @paths;
…		…
1193	for (@$files) {	1382	for (@$files) {
1194	utf8::decode $_;	1383	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1384	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1385	next unless /^$PATH_SEP/o;
1197		1386
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1387	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1388	}
1200		1389
1201	\@paths	1390	\@paths
1202	}	1391	}
1203		1392
		1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1394
		1395	Expand crossfire pod fragments into protocol xml.
		1396
		1397	=cut
		1398
		1399	sub expand_cfpod {
		1400	((my $self), (local $_)) = @_;
		1401
		1402	# escape & and <
		1403	s/&/&amp;/g;
		1404	s/(?<![BIUGH])</&lt;/g;
		1405
		1406	# this is buggy, it needs to properly take care of nested <'s
		1407
		1408	1 while
		1409	# replace B<>, I<>, U<> etc.
		1410	s/B<([^\>]*)>/<b>$1<\/b>/
		1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1413	# replace G<male|female> tags
		1414	|| s{G<([^>|]*)\|([^>]*)>}{
		1415	$self->gender ? $2 : $1
		1416	}ge
		1417	# replace H<hint text>
		1418	|| s{H<([^\>]*)>}
		1419	{
		1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1422	"")
		1423	[$self->{hintmode}]
		1424	}ge;
		1425
		1426	# create single paragraphs (very hackish)
		1427	s/(?<=\S)\n(?=\w)/ /g;
		1428
		1429	# compress some whitespace
		1430	s/\s+\n/\n/g; # ws line-ends
		1431	s/\n\n+/\n/g; # double lines
		1432	s/^\n+//; # beginning lines
		1433	s/\n+$//; # ending lines
		1434
		1435	$_
		1436	}
		1437
		1438	sub hintmode {
		1439	$_[0]{hintmode} = $_[1] if @_ > 1;
		1440	$_[0]{hintmode}
		1441	}
		1442
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1205		1444
1206	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1207		1446
1208	=cut	1447	=cut
1209		1448
1210	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1212		1451
1213	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1214		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1454	}
1217		1455
1218	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		1463	my ($self, $type, %msg) = @_;
		1464
		1465	$self->ns->ext_event ($type, %msg);
		1466	}
		1467
		1468	=head3 cf::region
		1469
		1470	=over 4
		1471
		1472	=cut
		1473
		1474	package cf::region;
		1475
		1476	=item cf::region::find_by_path $path
		1477
		1478	Tries to decuce the likely region for a map knowing only its path.
		1479
		1480	=cut
		1481
		1482	sub find_by_path($) {
		1483	my ($path) = @_;
		1484
		1485	my ($match, $specificity);
		1486
		1487	for my $region (list) {
		1488	if ($region->match && $path =~ $region->match) {
		1489	($match, $specificity) = ($region, $region->specificity)
		1490	if $region->specificity > $specificity;
		1491	}
		1492	}
		1493
		1494	$match
		1495	}
1219		1496
1220	=back	1497	=back
1221
1222		1498
1223	=head3 cf::map	1499	=head3 cf::map
1224		1500
1225	=over 4	1501	=over 4
1226		1502
…		…
1229	package cf::map;	1505	package cf::map;
1230		1506
1231	use Fcntl;	1507	use Fcntl;
1232	use Coro::AIO;	1508	use Coro::AIO;
1233		1509
		1510	use overload
		1511	'""' => \&as_string,
		1512	fallback => 1;
		1513
1234	our $MAX_RESET = 3600;	1514	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1515	our $DEFAULT_RESET = 3000;
1236		1516
1237	sub generate_random_map {	1517	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1518	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1519	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1520	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1524	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1525	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1529	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1531	(cf::region::find $rmp->{region}), $rmp->{custom}
		1532	)
		1533	}
		1534
		1535	=item cf::map->register ($regex, $prio)
		1536
		1537	Register a handler for the map path matching the given regex at the
		1538	givne priority (higher is better, built-in handlers have priority 0, the
		1539	default).
		1540
		1541	=cut
		1542
		1543	sub register {
		1544	my (undef, $regex, $prio) = @_;
		1545	my $pkg = caller;
		1546
		1547	no strict;
		1548	push @{"$pkg\::ISA"}, __PACKAGE__;
		1549
		1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1551	}
		1552
		1553	# also paths starting with '/'
		1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1555
		1556	sub thawer_merge {
		1557	my ($self, $merge) = @_;
		1558
		1559	# we have to keep some variables in memory intact
		1560	local $self->{path};
		1561	local $self->{load_path};
		1562
		1563	$self->SUPER::thawer_merge ($merge);
		1564	}
		1565
		1566	sub normalise {
		1567	my ($path, $base) = @_;
		1568
		1569	$path = "$path"; # make sure its a string
		1570
		1571	$path =~ s/\.map$//;
		1572
		1573	# map plan:
		1574	#
		1575	# /! non-realised random map exit (special hack!)
		1576	# {... are special paths that are not being touched
		1577	# ?xxx/... are special absolute paths
		1578	# ?random/... random maps
		1579	# /... normal maps
		1580	# ~user/... per-player map of a specific user
		1581
		1582	$path =~ s/$PATH_SEP/\//go;
		1583
		1584	# treat it as relative path if it starts with
		1585	# something that looks reasonable
		1586	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1587	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1588
		1589	$base =~ s{[^/]+/?$}{};
		1590	$path = "$base/$path";
		1591	}
		1592
		1593	for ($path) {
		1594	redo if s{//}{/};
		1595	redo if s{/\.?/}{/};
		1596	redo if s{/[^/]+/\.\./}{/};
		1597	}
		1598
		1599	$path
		1600	}
		1601
		1602	sub new_from_path {
		1603	my (undef, $path, $base) = @_;
		1604
		1605	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1606
		1607	$path = normalise $path, $base;
		1608
		1609	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1610	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1611	my $self = bless cf::map::new, $pkg;
		1612	$self->{path} = $path; $self->path ($path);
		1613	$self->init; # pass $1 etc.
		1614	return $self;
		1615	}
		1616	}
		1617
		1618	Carp::carp "unable to resolve path '$path' (base '$base').";
		1619	()
		1620	}
		1621
		1622	sub init {
		1623	my ($self) = @_;
		1624
		1625	$self
		1626	}
		1627
		1628	sub as_string {
		1629	my ($self) = @_;
		1630
		1631	"$self->{path}"
		1632	}
		1633
		1634	# the displayed name, this is a one way mapping
		1635	sub visible_name {
		1636	&as_string
		1637	}
		1638
		1639	# the original (read-only) location
		1640	sub load_path {
		1641	my ($self) = @_;
		1642
		1643	"$MAPDIR/$self->{path}.map"
		1644	}
		1645
		1646	# the temporary/swap location
		1647	sub save_path {
		1648	my ($self) = @_;
		1649
		1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1651	"$TMPDIR/$path.map"
		1652	}
		1653
		1654	# the unique path, undef == no special unique path
		1655	sub uniq_path {
		1656	my ($self) = @_;
		1657
		1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1659	"$UNIQUEDIR/$path"
1254	}	1660	}
1255		1661
1256	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1257	# all maps in C++...	1663	# all maps in C++...
1258	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1260		1666
1261	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1263	}	1669	}
1264		1670
		1671	sub decay_objects {
		1672	my ($self) = @_;
		1673
		1674	return if $self->{deny_reset};
		1675
		1676	$self->do_decay_objects;
		1677	}
		1678
		1679	sub unlink_save {
		1680	my ($self) = @_;
		1681
		1682	utf8::encode (my $save = $self->save_path);
		1683	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1684	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1685	}
		1686
1265	sub try_load_header($) {	1687	sub load_header_from($) {
1266	my ($path) = @_;	1688	my ($self, $path) = @_;
1267		1689
1268	utf8::encode $path;	1690	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1691	#aio_open $path, O_RDONLY, 0
		1692	# or return;
		1693
		1694	$self->_load_header ($path)
1270	or return;	1695	or return;
1271		1696
1272	my $map = cf::map::new	1697	$self->{load_path} = $path;
		1698
		1699	1
		1700	}
		1701
		1702	sub load_header_orig {
		1703	my ($self) = @_;
		1704
		1705	$self->load_header_from ($self->load_path)
		1706	}
		1707
		1708	sub load_header_temp {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->save_path)
		1712	}
		1713
		1714	sub prepare_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->last_access ((delete $self->{last_access})
		1718	|| $cf::RUNTIME); #d#
		1719	# safety
		1720	$self->{instantiate_time} = $cf::RUNTIME
		1721	if $self->{instantiate_time} > $cf::RUNTIME;
		1722	}
		1723
		1724	sub prepare_orig {
		1725	my ($self) = @_;
		1726
		1727	$self->{load_original} = 1;
		1728	$self->{instantiate_time} = $cf::RUNTIME;
		1729	$self->last_access ($cf::RUNTIME);
		1730	$self->instantiate;
		1731	}
		1732
		1733	sub load_header {
		1734	my ($self) = @_;
		1735
		1736	if ($self->load_header_temp) {
		1737	$self->prepare_temp;
		1738	} else {
		1739	$self->load_header_orig
1273	or return;	1740	or return;
		1741	$self->prepare_orig;
		1742	}
1274		1743
1275	# for better error messages only, will be overwritten	1744	$self->{deny_reset} = 1
1276	$map->path ($path);	1745	if $self->no_reset;
1277		1746
1278	$map->load_header ($path)	1747	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1748	unless $self->default_region;
1280		1749
1281	$map->{load_path} = $path;	1750	1
1282
1283	$map
1284	}	1751	}
1285		1752
1286	sub find;	1753	sub find;
1287	sub find {	1754	sub find {
1288	my ($path, $origin) = @_;	1755	my ($path, $origin) = @_;
1289		1756
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1757	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1758
1295	cf::lock_wait "map_find:$key";	1759	cf::lock_wait "map_find:$path";
1296		1760
1297	$cf::MAP{$key} || do {	1761	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1762	my $guard = cf::lock_acquire "map_find:$path";
1299		1763	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;	1764	or return;
1319		1765
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;	1766	$map->{last_save} = $cf::RUNTIME;
1332		1767
1333	Coro::cede;	1768	$map->load_header
		1769	or return;
1334		1770
1335	if ($map->should_reset) {	1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1772	# doing this can freeze the server in a sync job, obviously
		1773	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1774	$map->reset;
1337	undef $guard;	1775	undef $guard;
1338	$map = find $path	1776	return find $path;
1339	or return;
1340	}	1777	}
1341		1778
1342	$cf::MAP{$key} = $map	1779	$cf::MAP{$path} = $map
1343	}	1780	}
1344	}	1781	}
		1782
		1783	sub pre_load { }
		1784	sub post_load { }
1345		1785
1346	sub load {	1786	sub load {
1347	my ($self) = @_;	1787	my ($self) = @_;
1348		1788
		1789	local $self->{deny_reset} = 1; # loading can take a long time
		1790
1349	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1794	my $guard = cf::lock_acquire "map_load:$path";
1351		1795
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1797
1354	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1355		1799
1356	$self->alloc;	1800	$self->alloc;
		1801
		1802	$self->pre_load;
		1803	Coro::cede;
		1804
1357	$self->load_objects ($self->{load_path}, 1)	1805	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1806	or return;
1359		1807
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1809	if delete $self->{load_original};
1362		1810
1363	if (my $uniq = $path->uniq_path) {	1811	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1812	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1813	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1814	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1815	$self->_load_objects ($uniq, 0);
1368	}	1816	}
1369	}	1817	}
1370		1818
1371	Coro::cede;	1819	Coro::cede;
1372
1373	# now do the right thing for maps	1820	# now do the right thing for maps
1374	$self->link_multipart_objects;	1821	$self->link_multipart_objects;
1375
1376	if ($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)	1822	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1823	unless $self->difficulty;
		1824	Coro::cede;
		1825
		1826	unless ($self->{deny_activate}) {
		1827	$self->decay_objects;
		1828	$self->fix_auto_apply;
		1829	$self->update_buttons;
		1830	Coro::cede;
		1831	$self->set_darkness_map;
		1832	Coro::cede;
1386	$self->activate;	1833	$self->activate;
1387	}	1834	}
1388		1835
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1836	$self->in_memory (cf::MAP_IN_MEMORY);
		1837	}
		1838
		1839	$self->post_load;
		1840	}
		1841
		1842	sub customise_for {
		1843	my ($self, $ob) = @_;
		1844
		1845	return find "~" . $ob->name . "/" . $self->{path}
		1846	if $self->per_player;
		1847
		1848	# return find "?party/" . $ob->name . "/" . $self->{path}
		1849	# if $self->per_party;
		1850
		1851	$self
1392	}	1852	}
1393		1853
1394	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1855	sub load_diag {
1396	my ($map) = @_;	1856	my ($map) = @_;
…		…
1426		1886
1427	cf::sync_job { $map->load };	1887	cf::sync_job { $map->load };
1428	}	1888	}
1429		1889
1430	our %MAP_PREFETCH;	1890	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1891	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1892
1446	sub find_async {	1893	sub find_async {
1447	my ($path, $origin) = @_;	1894	my ($path, $origin) = @_;
1448		1895
1449	$path = new cf::path $path, $origin && $origin->path;	1896	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1897
1452	if (my $map = $cf::MAP{$key}) {	1898	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1900	}
1455		1901
1456	$MAP_PREFETCH{$key} = $path;	1902	undef $MAP_PREFETCH{$path};
		1903	$MAP_PREFETCHER ||= cf::async {
		1904	while (%MAP_PREFETCH) {
		1905	for my $path (keys %MAP_PREFETCH) {
		1906	my $map = find $path
		1907	or next;
		1908	$map->load;
		1909
		1910	delete $MAP_PREFETCH{$path};
		1911	}
		1912	}
		1913	undef $MAP_PREFETCHER;
		1914	};
1457	$MAP_PREFETCHER->ready;	1915	$MAP_PREFETCHER->prio (6);
1458		1916
1459	()	1917	()
1460	}	1918	}
1461		1919
1462	sub save {	1920	sub save {
…		…
1466		1924
1467	$self->{last_save} = $cf::RUNTIME;	1925	$self->{last_save} = $cf::RUNTIME;
1468		1926
1469	return unless $self->dirty;	1927	return unless $self->dirty;
1470		1928
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1929	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1930	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1931
1474	$self->{load_path} = $save;	1932	$self->{load_path} = $save;
1475		1933
1476	return if $self->{deny_save};	1934	return if $self->{deny_save};
1477		1935
…		…
1480	cf::async {	1938	cf::async {
1481	$_->contr->save for $self->players;	1939	$_->contr->save for $self->players;
1482	};	1940	};
1483		1941
1484	if ($uniq) {	1942	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1945	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1947	}
1490	}	1948	}
1491		1949
1492	sub swap_out {	1950	sub swap_out {
1493	my ($self) = @_;	1951	my ($self) = @_;
…		…
1507		1965
1508	sub reset_at {	1966	sub reset_at {
1509	my ($self) = @_;	1967	my ($self) = @_;
1510		1968
1511	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1514		1971
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1974
…		…
1522	my ($self) = @_;	1979	my ($self) = @_;
1523		1980
1524	$self->reset_at <= $cf::RUNTIME	1981	$self->reset_at <= $cf::RUNTIME
1525	}	1982	}
1526		1983
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1984	sub reset {
1549	my ($self) = @_;	1985	my ($self) = @_;
1550		1986
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1988
1553	return if $self->players;	1989	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1990
1556	warn "resetting map ", $self->path;#d#	1991	warn "resetting map ", $self->path;
		1992
		1993	$self->in_memory (cf::MAP_SWAPPED);
		1994
		1995	# need to save uniques path
		1996	unless ($self->{deny_save}) {
		1997	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1998
		1999	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2000	if $uniq;
		2001	}
1557		2002
1558	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->clear;
1559		2006
1560	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1561		2008
1562	$self->unlink_save;	2009	$self->unlink_save;
1563	$self->destroy;	2010	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2013	my $nuke_counter = "aaaa";
1567		2014
1568	sub nuke {	2015	sub nuke {
1569	my ($self) = @_;	2016	my ($self) = @_;
1570		2017
		2018	delete $cf::MAP{$self->path};
		2019
		2020	$self->unlink_save;
		2021
		2022	bless $self, "cf::map";
		2023	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2024	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2025	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2027
		2028	$cf::MAP{$self->path} = $self;
		2029
1574	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1575	}	2031	}
1576		2032
1577	sub customise_for {	2033	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2034
1580	if ($map->per_player) {	2035	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
1582	}	2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
1583		2050
1584	$map	2051	=item $maps = cf::map::random_maps
		2052
		2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
		2055
		2056	=cut
		2057
		2058	sub random_maps() {
		2059	[
		2060	map {
		2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
1585	}	2067	}
1586		2068
1587	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1588		2070
1589	Returns an arrayref of cf::path's of all shared maps that have	2071	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2072	instantiated unique items. May block.
1591		2073
1592	=cut	2074	=cut
1593		2075
1594	sub unique_maps() {	2076	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1596	or return;	2078	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2079	utf8::decode $_;
1602	next if /\.pst$/;	2080	/\.map$/
1603	next unless /^$PATH_SEP/o;	2081	? normalise $_
1604		2082	: ()
1605	push @paths, new cf::path $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2084	]
1607
1608	\@paths
1609	}	2085	}
1610		2086
1611	package cf;	2087	package cf;
1612		2088
1613	=back	2089	=back
…		…
1659		2135
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2137
1662	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1664	} else {	2141	} else {
		2142	my $pl = $self->contr;
		2143
		2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2145	my $diag = $pl->{npc_dialog};
		2146	$diag->{pl}->ext_reply (
		2147	$diag->{id},
		2148	msgtype => "reply",
		2149	msg => $diag->{pl}->expand_cfpod ($msg),
		2150	add_topics => []
		2151	);
		2152
		2153	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1667	}	2157	}
1668	}	2158	}
1669		2159
1670	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1671		2161
…		…
1685		2175
1686	=item $player_object->enter_link	2176	=item $player_object->enter_link
1687		2177
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2178	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2179
1690	The player should be reaosnably safe there for short amounts of time. You	2180	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.	2181	I<MUST> call C<leave_link> as soon as possible, though.
1692		2182
		2183	Will never block.
		2184
1693	=item $player_object->leave_link ($map, $x, $y)	2185	=item $player_object->leave_link ($map, $x, $y)
1694		2186
1695	Moves the player out of the specila link map onto the given map. If the	2187	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2188	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2189	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2190	fails, to the emergency map position.
1699		2191
1700	Might block.	2192	Might block.
1701		2193
1702	=cut	2194	=cut
		2195
		2196	sub link_map {
		2197	unless ($LINK_MAP) {
		2198	$LINK_MAP = cf::map::find "{link}"
		2199	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2200	$LINK_MAP->load;
		2201	}
		2202
		2203	$LINK_MAP
		2204	}
1703		2205
1704	sub cf::object::player::enter_link {	2206	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2207	my ($self) = @_;
1706		2208
1707	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1708		2210
1709	return if $self->map == $LINK_MAP;	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2212
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1713		2215
1714	$self->enter_map ($LINK_MAP, 20, 20);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2217	}
1716		2218
1717	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1719		2223
1720	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1721		2225
1722	unless ($map) {	2226	unless ($map) {
1723	# restore original map position	2227	# restore original map position
…		…
1741	$map->load;	2245	$map->load;
1742	$map->load_diag;	2246	$map->load_diag;
1743		2247
1744	return unless $self->contr->active;	2248	return unless $self->contr->active;
1745	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1747	}	2253	}
1748		2254
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($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)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2256
		2257	Moves the player to the given map-path and coordinates by first freezing
		2258	her, loading and preparing them map, calling the provided $check callback
		2259	that has to return the map if sucecssful, and then unfreezes the player on
		2260	the new (success) or old (failed) map position.
		2261
1783	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1784		2265
1785	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
1787		2268
1788	$path = new cf::path $path;	2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2271
1790	$self->enter_link;	2272	$self->enter_link;
1791		2273
1792	(async {	2274	(async {
		2275	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
1795		2280	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2281	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
1800		2284
		2285	$map
		2286	};
		2287
		2288	if ($@) {
		2289	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	LOG llevError | logBacktrace, Carp::longmess $@;
		2291	}
		2292
		2293	if ($gen == $self->{_goto_generation}) {
		2294	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1802	})->prio (1);	2297	})->prio (1);
1803	}	2298	}
1804		2299
1805	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1806		2301
…		…
1808		2303
1809	sub parse_random_map_params {	2304	sub parse_random_map_params {
1810	my ($spec) = @_;	2305	my ($spec) = @_;
1811		2306
1812	my $rmp = { # defaults	2307	my $rmp = { # defaults
1813	xsize => 10,	2308	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2309	ysize => (cf::rndm 15, 40),
		2310	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2311	#layout => string,
1815	};	2312	};
1816		2313
1817	for (split /\n/, $spec) {	2314	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2315	my ($k, $v) = split /\s+/, $_, 2;
1819		2316
…		…
1823	$rmp	2320	$rmp
1824	}	2321	}
1825		2322
1826	sub prepare_random_map {	2323	sub prepare_random_map {
1827	my ($exit) = @_;	2324	my ($exit) = @_;
		2325
		2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2327
1829	# all this does is basically replace the /! path by	2328	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2329	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2330	# that depends on the exit object
1832		2331
1833	my $rmp = parse_random_map_params $exit->msg;	2332	my $rmp = parse_random_map_params $exit->msg;
1834		2333
1835	if ($exit->map) {	2334	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2335	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2336	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2337	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2338	$rmp->{origin_y} = $exit->y;
1840	}	2339	}
1841		2340
1842	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1843		2342
1844	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
		2345	my $meta = "$RANDOMDIR/$md5.meta";
1846		2346
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2348	aio_write $fh, 0, (length $data), $data, 0;
		2349	undef $fh;
		2350	aio_rename "$meta~", $meta;
1849		2351
1850	$exit->slaying ("?random/$md5");	2352	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2353	$exit->msg (undef);
1852	}	2354	}
1853	}	2355	}
…		…
1855	sub cf::object::player::enter_exit {	2357	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2358	my ($self, $exit) = @_;
1857		2359
1858	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1859		2361
		2362	if ($exit->slaying eq "/!") {
		2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2364	# the problem is that $exit might not survive long enough
		2365	# so it needs to be done right now, right here
		2366	cf::sync_job { prepare_random_map $exit };
		2367	}
		2368
		2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2370	my $hp = $exit->stats->hp;
		2371	my $sp = $exit->stats->sp;
		2372
1860	$self->enter_link;	2373	$self->enter_link;
		2374
		2375	# if exit is damned, update players death & WoR home-position
		2376	$self->contr->savebed ($slaying, $hp, $sp)
		2377	if $exit->flag (FLAG_DAMNED);
1861		2378
1862	(async {	2379	(async {
1863	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2381	unless (eval {
1865	prepare_random_map $exit	2382	$self->goto ($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		2383
1871	1;	2384	1;
1872	}) {	2385	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2387	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2390
1878	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2392	$self->leave_link;
1880	}	2393	}
1881	})->prio (1);	2394	})->prio (1);
…		…
1894		2407
1895	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1897		2410
1898	utf8::encode $text;	2411	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2413	}
1901		2414
		2415	=item $client->send_msg ($color, $type, $msg, [extra...])
		2416
		2417	Send a drawinfo or msg packet to the client, formatting the msg for the
		2418	client if neccessary. C<$type> should be a string identifying the type of
		2419	the message, with C<log> being the default. If C<$color> is negative, suppress
		2420	the message unless the client supports the msg packet.
		2421
		2422	=cut
		2423
		2424	sub cf::client::send_msg {
		2425	my ($self, $color, $type, $msg, @extra) = @_;
		2426
		2427	$msg = $self->pl->expand_cfpod ($msg);
		2428
		2429	return unless @extra || length $msg;
		2430
		2431	if ($self->can_msg) {
		2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2433	} else {
		2434	# replace some tags by gcfclient-compatible ones
		2435	for ($msg) {
		2436	1 while
		2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2442	}
		2443
		2444	if ($color >= 0) {
		2445	if (0 && $msg =~ /\[/) {
		2446	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2447	} else {
		2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2449	$self->send_packet ("drawinfo $color $msg")
		2450	}
		2451	}
		2452	}
		2453	}
		2454
		2455	=item $client->ext_event ($type, %msg)
		2456
		2457	Sends an ext event to the client.
		2458
		2459	=cut
		2460
		2461	sub cf::client::ext_event($$%) {
		2462	my ($self, $type, %msg) = @_;
		2463
		2464	$msg{msgtype} = "event_$type";
		2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2466	}
1902		2467
1903	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1904		2469
1905	Queues a query to the client, calling the given callback with	2470	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>,	2471	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>.	2472	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2473
1909	Queries can fail, so check the return code. Or don't, as queries will become	2474	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2475	become reliable at some point in the future.
1911		2476
1912	=cut	2477	=cut
1913		2478
1914	sub cf::client::query {	2479	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2488	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2490
1926	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
1928	}	2495	}
1929		2496
1930	cf::client->attach (	2497	cf::client->attach (
		2498	on_connect => sub {
		2499	my ($ns) = @_;
		2500
		2501	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2502	},
1931	on_reply => sub {	2503	on_reply => sub {
1932	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
1933		2505
1934	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
1935	# get handled first	2507	# get handled first
1936	my $queue = delete $ns->{query_queue}	2508	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2509	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2510
1939	(shift @$queue)->[1]->($msg);	2511	(shift @$queue)->[1]->($msg);
		2512	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2513
1941	push @{ $ns->{query_queue} }, @$queue;	2514	push @{ $ns->{query_queue} }, @$queue;
1942		2515
1943	if (@{ $ns->{query_queue} } == @$queue) {	2516	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2517	if (@$queue) {
…		…
1946	} else {	2519	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2521	}
1949	}	2522	}
1950	},	2523	},
		2524	on_exticmd => sub {
		2525	my ($ns, $buf) = @_;
		2526
		2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2528
		2529	if (ref $msg) {
		2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2531	if (my %reply = $cb->($ns, $msg)) {
		2532	$reply{msgid} = $msg->{msgid};
		2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2534	}
		2535	}
		2536	} else {
		2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2538	}
		2539
		2540	cf::override;
		2541	},
1951	);	2542	);
1952		2543
1953	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
1954		2545
1955	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2593
2003	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2004		2595
2005	=pod	2596	=pod
2006		2597
2007	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2008		2599
2009	cf::object contr pay_amount pay_player map	2600	cf::object
		2601	contr pay_amount pay_player map x y force_find force_add
		2602	insert remove
		2603
2010	cf::object::player player	2604	cf::object::player
2011	cf::player peaceful	2605	player
2012	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2013		2612
2014	=cut	2613	=cut
2015		2614
2016	for (	2615	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2617	insert remove)],
2018	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2021	) {	2621	) {
2022	no strict 'refs';	2622	no strict 'refs';
…		…
2093	=back	2693	=back
2094		2694
2095	=cut	2695	=cut
2096		2696
2097	#############################################################################	2697	#############################################################################
		2698	# the server's init and main functions
2098		2699
2099	=head2 EXTENSION DATABASE SUPPORT	2700	sub load_facedata($) {
		2701	my ($path) = @_;
2100		2702
2101	Crossfire maintains a very simple database for extension use. It can	2703	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2704
2105	The parameter C<$family> should best start with the name of the extension	2705	my $facedata;
2106	using it, it should be unique.	2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
2107		2708
2108	=over 4	2709	$facedata = Coro::Storable::thaw $facedata;
2109		2710
2110	=item $hashref = cf::db_get $family	2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2713
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	}	2714	{
		2715	my $faces = $facedata->{faceinfo};
2148		2716
2149	my $pid;	2717	while (my ($face, $info) = each %$faces) {
2150		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2151	sub db_save() {	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2152	waitpid $pid, 0 if $pid;	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2153	if (0 == ($pid = fork)) {	2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2154	$DB->{_meta}{version} = 1;	2722	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]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2723	}
2197	);
2198	}
2199		2724
2200	#############################################################################	2725	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2726	next unless $info->{smooth};
		2727	my $idx = cf::face::find $face
		2728	or next;
		2729	if (my $smooth = cf::face::find $info->{smooth}) {
		2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2731	} else {
		2732	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2733	}
		2734	Coro::cede;
		2735	}
		2736	}
		2737
		2738	{
		2739	my $anims = $facedata->{animinfo};
		2740
		2741	while (my ($anim, $info) = each %$anims) {
		2742	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2743	Coro::cede;
		2744	}
		2745
		2746	cf::anim::invalidate_all; # d'oh
		2747	}
		2748
		2749	1
		2750	}
		2751
		2752	sub reload_regions {
		2753	load_resource_file "$MAPDIR/regions"
		2754	or die "unable to load regions file\n";
		2755	}
		2756
		2757	sub reload_facedata {
		2758	load_facedata "$DATADIR/facedata"
		2759	or die "unable to load facedata\n";
		2760	}
		2761
		2762	sub reload_archetypes {
		2763	load_resource_file "$DATADIR/archetypes"
		2764	or die "unable to load archetypes\n";
		2765	#d# NEED to laod twice to resolve forward references
		2766	# this really needs to be done in an extra post-pass
		2767	# (which needs to be synchronous, so solve it differently)
		2768	load_resource_file "$DATADIR/archetypes"
		2769	or die "unable to load archetypes\n";
		2770	}
		2771
		2772	sub reload_treasures {
		2773	load_resource_file "$DATADIR/treasures"
		2774	or die "unable to load treasurelists\n";
		2775	}
		2776
		2777	sub reload_resources {
		2778	warn "reloading resource files...\n";
		2779
		2780	reload_regions;
		2781	reload_facedata;
		2782	#reload_archetypes;#d#
		2783	reload_archetypes;
		2784	reload_treasures;
		2785
		2786	warn "finished reloading resource files\n";
		2787	}
		2788
		2789	sub init {
		2790	reload_resources;
		2791	}
2202		2792
2203	sub cfg_load {	2793	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2795	or return;
2206		2796
2207	local $/;	2797	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2209		2799
…		…
2223		2813
2224	sub main {	2814	sub main {
2225	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2818	(async {
2228	async { Event::one_event };	2819	Event::one_event;
		2820	})->prio (Coro::PRIO_MAX);
2229	};	2821	};
2230		2822
2231	cfg_load;	2823	cfg_load;
2232	db_load;	2824	db_init;
2233	load_extensions;	2825	load_extensions;
		2826
		2827	$TICK_WATCHER->start;
2234	Event::loop;	2828	Event::loop;
2235	}	2829	}
2236		2830
2237	#############################################################################	2831	#############################################################################
2238	# initialisation and cleanup	2832	# initialisation and cleanup
2239		2833
2240	# install some emergency cleanup handlers	2834	# install some emergency cleanup handlers
2241	BEGIN {	2835	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2836	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2837	Event->signal (
		2838	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2839	data => WF_AUTOCANCEL,
2245	signal => $signal,	2840	signal => $signal,
		2841	prio => 0,
2246	cb => sub {	2842	cb => sub {
2247	cf::cleanup "SIG$signal";	2843	cf::cleanup "SIG$signal";
2248	},	2844	},
2249	);	2845	);
2250	}	2846	}
2251	}	2847	}
2252		2848
		2849	sub write_runtime {
		2850	my $runtime = "$LOCALDIR/runtime";
		2851
		2852	# first touch the runtime file to show we are still running:
		2853	# the fsync below can take a very very long time.
		2854
		2855	IO::AIO::aio_utime $runtime, undef, undef;
		2856
		2857	my $guard = cf::lock_acquire "write_runtime";
		2858
		2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2860	or return;
		2861
		2862	my $value = $cf::RUNTIME + 90 + 10;
		2863	# 10 is the runtime save interval, for a monotonic clock
		2864	# 60 allows for the watchdog to kill the server.
		2865
		2866	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2867	and return;
		2868
		2869	# always fsync - this file is important
		2870	aio_fsync $fh
		2871	and return;
		2872
		2873	# touch it again to show we are up-to-date
		2874	aio_utime $fh, undef, undef;
		2875
		2876	close $fh
		2877	or return;
		2878
		2879	aio_rename "$runtime~", $runtime
		2880	and return;
		2881
		2882	warn "runtime file written.\n";
		2883
		2884	1
		2885	}
		2886
2253	sub emergency_save() {	2887	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2255		2889
2256	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2257		2891
2258	cf::sync_job {	2892	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2893	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2894	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2895	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2896	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2897	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2898	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2899	$pl->valid or next;
2266	$pl->save;	2900	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2906	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2907	$map->valid or next;
2274	$map->save;	2908	$map->save;
2275	}	2909	}
2276	warn "end emergency map save\n";	2910	warn "end emergency map save\n";
		2911
		2912	warn "begin emergency database checkpoint\n";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
2277	};	2915	};
2278		2916
2279	warn "leave emergency perl save\n";	2917	warn "leave emergency perl save\n";
2280	}	2918	}
2281		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2282	sub reload() {	2927	sub do_reload_perl() {
2283	# can/must only be called in main	2928	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2930	warn "can only reload from main coroutine";
2286	return;	2931	return;
2287	}	2932	}
2288		2933
2289	warn "reloading...";	2934	warn "reloading...";
2290		2935
2291	warn "freezing server";	2936	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2294		2942
2295	warn "sync database to disk";	2943	warn "syncing database to disk";
2296	cf::db_sync;	2944	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2945
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2946	# if anything goes wrong in here, we should simply crash as we already saved
2301		2947
2302	warn "cancel all watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2951	}
2306		2952
		2953	warn "flushing outstanding aio requests";
		2954	for (;;) {
		2955	BDB::flush;
		2956	IO::AIO::flush;
		2957	Coro::cede;
		2958	last unless IO::AIO::nreqs || BDB::nreqs;
		2959	warn "iterate...";
		2960	}
		2961
		2962	++$RELOAD;
		2963
2307	warn "cancel all extension coros";	2964	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2966	%EXT_CORO = ();
2310		2967
2311	warn "remove commands";	2968	warn "removing commands";
2312	%COMMAND = ();	2969	%COMMAND = ();
2313		2970
2314	warn "remove ext commands";	2971	warn "removing ext/exti commands";
2315	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2316		2974
2317	warn "unload/nuke all extensions";	2975	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2320		2978
2321	if (my $cb = $pkg->can ("unload")) {	2979	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2980	eval {
…		…
2327		2985
2328	warn "... nuking $pkg";	2986	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2987	Symbol::delete_package $pkg;
2330	}	2988	}
2331		2989
2332	warn "unload all perl modules loaded from $LIBDIR";	2990	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2991	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2993
2336	warn "removing <$k>";	2994	warn "... unloading $k";
2337	delete $INC{$k};	2995	delete $INC{$k};
2338		2996
2339	$k =~ s/\.pm$//;	2997	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2998	$k =~ s/\//::/g;
2341		2999
…		…
2344	}	3002	}
2345		3003
2346	Symbol::delete_package $k;	3004	Symbol::delete_package $k;
2347	}	3005	}
2348		3006
2349	warn "get rid of safe::, as good as possible";	3007	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3010
2353	warn "unload cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2355		3014
2356	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3016	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2359		3018
		3019	warn "unload completed, starting to reload now";
		3020
2360	warn "reloading cf.pm";	3021	warn "reloading cf.pm";
2361	require cf;	3022	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3024
2364	warn "load config and database again";	3025	warn "loading config and database again";
2365	cf::cfg_load;	3026	cf::cfg_load;
2366	cf::db_load;
2367		3027
2368	warn "load extensions";	3028	warn "loading extensions";
2369	cf::load_extensions;	3029	cf::load_extensions;
2370		3030
2371	warn "reattach attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3032	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3033	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2375	};	3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2376		3037
2377	if ($@) {	3038	warn "leaving sync_job";
		3039
		3040	1
		3041	} or do {
2378	warn $@;	3042	warn $@;
2379	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2380	exit 1;	3044	exit 1;
2381	}	3045	};
2382		3046
2383	warn "reloaded";	3047	warn "reloaded";
2384	};	3048	};
2385		3049
2386	#############################################################################	3050	our $RELOAD_WATCHER; # used only during reload
2387		3051
2388	unless ($LINK_MAP) {	3052	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3053	# doing reload synchronously and two reloads happen back-to-back,
		3054	# coro crashes during coro_state_free->destroy here.
2390		3055
2391	$LINK_MAP->width (41);	3056	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3057	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3058	after => 0,
		3059	data => WF_AUTOCANCEL,
2401	cb => sub {	3060	cb => sub {
2402	$_[0]->w->cancel;	3061	do_reload_perl;
2403		3062	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3063	},
2422		3064	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3065	}
2428		3066
2429	register_command "reload" => sub {	3067	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2431		3069
2432	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3071	$who->message ("reloading server.");
		3072	async { reload_perl };
2436	}	3073	}
2437	};	3074	};
2438		3075
2439	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2440		3077
		3078	my $bug_warning = 0;
		3079
		3080	our @WAIT_FOR_TICK;
		3081	our @WAIT_FOR_TICK_BEGIN;
		3082
		3083	sub wait_for_tick {
		3084	return unless $TICK_WATCHER->is_active;
		3085	return if $Coro::current == $Coro::main;
		3086
		3087	my $signal = new Coro::Signal;
		3088	push @WAIT_FOR_TICK, $signal;
		3089	$signal->wait;
		3090	}
		3091
		3092	sub wait_for_tick_begin {
		3093	return unless $TICK_WATCHER->is_active;
		3094	return if $Coro::current == $Coro::main;
		3095
		3096	my $signal = new Coro::Signal;
		3097	push @WAIT_FOR_TICK_BEGIN, $signal;
		3098	$signal->wait;
		3099	}
		3100
		3101	my $min = 1e6;#d#
		3102	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3104	reentrant => 0,
		3105	parked => 1,
2443	prio => 0,	3106	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3108	data => WF_AUTOCANCEL,
2446	cb => sub {	3109	cb => sub {
		3110	if ($Coro::current != $Coro::main) {
		3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3112	unless ++$bug_warning > 10;
		3113	return;
		3114	}
		3115
		3116	$NOW = $tick_start = Event::time;
		3117
2447	cf::server_tick; # one server iteration	3118	cf::server_tick; # one server iteration
		3119
		3120	0 && sync_job {#d#
		3121	for(1..10) {
		3122	my $t = Event::time;
		3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3124	or die;
		3125
		3126	$map->width (50);
		3127	$map->height (50);
		3128	$map->alloc;
		3129	$map->_load_objects ("/tmp/x.map", 1);
		3130	my $t = Event::time - $t;
		3131
		3132	#next unless $t < 0.0013;#d#
		3133	if ($t < $min) {
		3134	$min = $t;
		3135	}
		3136	$avg = $avg * 0.99 + $t * 0.01;
		3137	}
		3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3139	exit 0;
		3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3141	};
		3142
2448	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2450		3145
2451	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3148	Coro::async_pool {
		3149	write_runtime
		3150	or warn "ERROR: unable to write runtime file: $!";
		3151	};
		3152	}
		3153
		3154	# my $AFTER = Event::time;
		3155	# warn $AFTER - $NOW;#d#
		3156
		3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3158	$sig->send;
		3159	}
		3160	while (my $sig = shift @WAIT_FOR_TICK) {
		3161	$sig->send;
		3162	}
		3163
		3164	$NOW = Event::time;
2453		3165
2454	# if we are delayed by four ticks or more, skip them all	3166	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3168
2457	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3170	$TICK_WATCHER->start;
		3171
		3172	$LOAD = ($NOW - $tick_start) / $TICK;
		3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3174
		3175	_post_tick;
		3176
		3177
2459	},	3178	},
2460	);	3179	);
2461		3180
		3181	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3182	BDB::max_poll_time $TICK * 0.1;
2463		3183	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3184	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3185	fd => BDB::poll_fileno,
2466	poll => 'r',	3186	poll => 'r',
2467	prio => 5,	3187	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3188	data => WF_AUTOCANCEL,
2474	after => 0,	3189	cb => \&BDB::poll_cb,
2475	interval => 10,	3190	);
2476	cb => sub {	3191	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3192
2478	write_runtime	3193	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3194	my $status;
		3195	my $current = $Coro::current;
		3196	(
		3197	sub {
		3198	$status = $!;
		3199	$current->ready; undef $current;
		3200	},
		3201	sub {
		3202	Coro::schedule while defined $current;
		3203	$! = $status;
		3204	},
		3205	)
		3206	};
		3207
		3208	unless ($DB_ENV) {
		3209	$DB_ENV = BDB::db_env_create;
		3210
		3211	cf::sync_job {
		3212	eval {
		3213	BDB::db_env_open
		3214	$DB_ENV,
		3215	$BDBDIR,
		3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3218	0666;
		3219
		3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3221
		3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3223	$DB_ENV->set_lk_detect;
		3224	};
		3225
		3226	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3227	};
2481	},	3228	}
2482	);	3229	}
		3230
		3231	{
		3232	IO::AIO::min_parallel 8;
		3233
		3234	undef $Coro::AIO::WATCHER;
		3235	IO::AIO::max_poll_time $TICK * 0.1;
		3236	$AIO_POLL_WATCHER = Event->io (
		3237	reentrant => 0,
		3238	data => WF_AUTOCANCEL,
		3239	fd => IO::AIO::poll_fileno,
		3240	poll => 'r',
		3241	prio => 6,
		3242	cb => \&IO::AIO::poll_cb,
		3243	);
		3244	}
		3245
		3246	my $_log_backtrace;
		3247
		3248	sub _log_backtrace {
		3249	my ($msg, @addr) = @_;
		3250
		3251	$msg =~ s/\n//;
		3252
		3253	# limit the # of concurrent backtraces
		3254	if ($_log_backtrace < 2) {
		3255	++$_log_backtrace;
		3256	async {
		3257	my @bt = fork_call {
		3258	@addr = map { sprintf "%x", $_ } @addr;
		3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3261	or die "addr2line: $!";
		3262
		3263	my @funcs;
		3264	my @res = <$fh>;
		3265	chomp for @res;
		3266	while (@res) {
		3267	my ($func, $line) = splice @res, 0, 2, ();
		3268	push @funcs, "[$func] $line";
		3269	}
		3270
		3271	@funcs
		3272	};
		3273
		3274	LOG llevInfo, "[ABT] $msg\n";
		3275	LOG llevInfo, "[ABT] $_\n" for @bt;
		3276	--$_log_backtrace;
		3277	};
		3278	} else {
		3279	LOG llevInfo, "[ABT] $msg\n";
		3280	LOG llevInfo, "[ABT] [suppressed]\n";
		3281	}
		3282	}
		3283
		3284	# load additional modules
		3285	use cf::pod;
2483		3286
2484	END { cf::emergency_save }	3287	END { cf::emergency_save }
2485		3288
2486	1	3289	1
2487		3290

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