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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 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
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	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(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	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;
51		84
52	our %CFG;	85	our %CFG;
53		86
54	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	88	our $RUNTIME;
56		89
57	our %PLAYER; # all users	90	our %PLAYER; # all users
58	our %MAP; # all maps	91	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		93
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
64		100
65	binmode STDOUT;	101	binmode STDOUT;
66	binmode STDERR;	102	binmode STDERR;
67		103
68	# read virtual server time, if available	104	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
73	}	109	}
74		110
75	mkdir cf::localdir;	111	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		113
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
84		117
85	#############################################################################	118	#############################################################################
86		119
87	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
88		121
…		…
95	=item $cf::RUNTIME	128	=item $cf::RUNTIME
96		129
97	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
98	every server tick.	131	every server tick.
99		132
100	=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
101		136
102	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		141
105	=item $cf::NOW	142	=item $cf::NOW
106		143
107	The time of the last (current) server tick.	144	The time of the last (current) server tick.
108		145
109	=item $cf::TICK	146	=item $cf::TICK
110		147
111	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.
112		159
113	=item %cf::CFG	160	=item %cf::CFG
114		161
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	163	from wherever your confdir points to.
117		164
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		166
120	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
121	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
122	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.
123	window of cpu time available, or simply to synchronise to the server tick.
124		170
125	=back	171	=back
126		172
127	=cut	173	=cut
128		174
129	BEGIN {	175	BEGIN {
130	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	177	my $msg = join "", @_;
132	utf8::encode $msg;
133		178
134	$msg .= "\n"	179	$msg .= "\n"
135	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
136		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
137	LOG llevError, $msg;	185	LOG llevError, $msg;
138	};	186	};
139	}	187	}
140		188
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		196
148	# 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
149	# within the Safe compartment.	198	# within the Safe compartment.
150	for my $pkg (qw(	199	for my $pkg (qw(
151	cf::global cf::attachable	200	cf::global cf::attachable
…		…
159	}	208	}
160		209
161	$Event::DIED = sub {	210	$Event::DIED = sub {
162	warn "error in event callback: @_";	211	warn "error in event callback: @_";
163	};	212	};
		213
		214	#############################################################################
164		215
165	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
166		217
167	=over 4	218	=over 4
168		219
…		…
187	$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;
188	$d	239	$d
189	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
190	}	241	}
191		242
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
195		244
196	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
197		246
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
206		248
207	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
208		250
209	=cut	251	=cut
210		252
211	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
213	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
215		257
216	=item cf::lock_wait $string	258	=item cf::lock_wait $string
217		259
218	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
219		261
…		…
225	returned.	267	returned.
226		268
227	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
228	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
229		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
230	=cut	276	=cut
231		277
232	our %LOCK;	278	our %LOCK;
233		279
234	sub lock_wait($) {	280	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
255	}	301	}
256	}	302	}
257		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
258	sub freeze_mainloop {	310	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
260		312
261	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
262	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
263	$guard	317	$guard
264	}	318	}
265		319
266	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
273		327
274	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
275		329
276	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
277		331
278	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
281		336
282	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
285	fast or be very important.	340	fast or be very important.
…		…
288		343
289	sub sync_job(&) {	344	sub sync_job(&) {
290	my ($job) = @_;	345	my ($job) = @_;
291		346
292	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
293	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
295		352
296	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
308		365
309	while ($busy) {	366	while ($busy) {
310	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
311	}	368	}
312		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
313	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
314	} else {	378	} else {
315	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
316		380
317	$job->()	381	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
337		401
338	$coro	402	$coro
339	}	403	}
340		404
341	sub write_runtime {	405	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		406
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
345	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.
346		411
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		413
351	aio_fsync $fh	414	sub fork_call(&@) {
352	and return;	415	my ($cb, @args) = @_;
353		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) {
354	close $fh	423	close $fh2;
355	or return;
356		424
357	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
358	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
359		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
360	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		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 });
361	}	587	}
362		588
363	=back	589	=back
364		590
365	=cut	591	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		592
522	#############################################################################	593	#############################################################################
523		594
524	=head2 ATTACHABLE OBJECTS	595	=head2 ATTACHABLE OBJECTS
525		596
…		…
527	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")
528	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
529		600
530	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>
531	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
532	crossfire+).	603	Crossfire TRT).
533		604
534	=over 4	605	=over 4
535		606
536	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
537		608
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	722	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	723	our @CB_MAP = ();
653		724
654	my %attachment;	725	my %attachment;
655		726
		727	sub cf::attachable::thawer_merge {
		728	# simply override everything except _meta
		729	local $_[0]{_meta};
		730	%{$_[0]} = %{$_[1]};
		731	}
		732
656	sub _attach_cb($$$$) {	733	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	734	my ($registry, $event, $prio, $cb) = @_;
658		735
659	use sort 'stable';	736	use sort 'stable';
660		737
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
695		772
696	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		777
701	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	779	my $pkg = shift @arg;
703		780
704	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
734	}	811	}
735		812
736	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
737	} else {	814	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	816	}
740		817
741	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
742	}	819	}
743		820
…		…
745	if (ref $_[0]) {	822	if (ref $_[0]) {
746	_object_attach @_;	823	_object_attach @_;
747	} else {	824	} else {
748	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
749	}	826	}
		827	_recalc_want;
750	};	828	};
751		829
752	# all those should be optimised	830	# all those should be optimised
753	sub cf::attachable::detach {	831	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
758	reattach ($obj);	836	reattach ($obj);
759	} else {	837	} else {
760	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
761	}	839	}
		840	_recalc_want;
762	};	841	};
763		842
764	sub cf::attachable::attached {	843	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
766		845
…		…
831	# object support	910	# object support
832		911
833	sub reattach {	912	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	913	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	914	my ($obj) = @_;
		915
		916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		917
837	my $registry = $obj->registry;	918	my $registry = $obj->registry;
838		919
839	@$registry = ();	920	@$registry = ();
840		921
…		…
887	$filename, length $$rdata, scalar @$objs;	968	$filename, length $$rdata, scalar @$objs;
888		969
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	971	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	973	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	974	close $fh;
894		975
895	if (@$objs) {	976	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	978	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	979	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	980	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	981	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	982	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	983	aio_rename "$filename.pst~", "$filename.pst";
903	}	984	}
904	} else {	985	} else {
905	aio_unlink "$filename.pst";	986	aio_unlink "$filename.pst";
…		…
937	or return;	1018	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1020	}
940		1021
941	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1024	return ($data, $av);
944	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
945		1032
946	#############################################################################	1033	#############################################################################
947	# command handling &c	1034	# command handling &c
948		1035
949	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1050	}
964		1051
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1053
967	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.
968		1059
969	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
970	called.	1061	called.
971		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
972	=cut	1074	=cut
973		1075
974	sub register_extcmd {	1076	sub register_extcmd {
975	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
976		1078
977	$EXTCMD{$name} = $cb;	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
978	}	1086	}
979		1087
980	cf::player->attach (	1088	cf::player->attach (
981	on_command => sub {	1089	on_command => sub {
982	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1099	cf::override;
992	},	1100	},
993	on_extcmd => sub {	1101	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
995		1103
996	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1105
998	if (ref $msg) {	1106	if (ref $msg) {
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1007		1115
1008	cf::override;	1116	cf::override;
1009	},	1117	},
1010	);	1118	);
1011		1119
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
1040	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1125	next unless -r $path;
1042	eval {	1126
1043	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;
1044	1	1184	}
1045	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
1046	}	1190	};
1047	}	1191	}
1048		1192
1049	#############################################################################	1193	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1194
1052	*cf::mapsupport::on_clean = sub {	1195	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1196
1065	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
1066		1198
1067	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
1068		1200
…		…
1081	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
1082		1214
1083	=cut	1215	=cut
1084		1216
1085	sub playerdir($) {	1217	sub playerdir($) {
1086	cf::localdir	1218	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1220	}
1092		1221
1093	sub path($) {	1222	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1224
1096	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
1097	}	1226	}
1098		1227
1099	sub find_active($) {	1228	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
1104		1233
1105	sub exists($) {	1234	sub exists($) {
1106	my ($login) = @_;	1235	my ($login) = @_;
1107		1236
1108	$cf::PLAYER{$login}	1237	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1238	or cf::sync_job { !aio_stat path $login }
1110	}	1239	}
1111		1240
1112	sub find($) {	1241	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1242	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1243	my $login = $_[0];
1115		1244
1116	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
1117		1246
1118	$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
1119	my $pl = load_pl path $login	1255	my $pl = load_pl path $login
1120	or return;	1256	or return;
1121	$cf::PLAYER{$login} = $pl	1257	$cf::PLAYER{$login} = $pl
1122	}	1258	}
1123	}	1259	}
…		…
1160		1296
1161	=cut	1297	=cut
1162		1298
1163	sub quit_character {	1299	sub quit_character {
1164	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1165		1303
1166	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1167	$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
1168		1306
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1314	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1338	}
1181		1339
1182	=item cf::player::list_logins	1340	=item cf::player::list_logins
1183		1341
1184	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
1185	while and may block, so not sync_job-capable, ever.	1343	while and may block, so not sync_job-capable, ever.
1186		1344
1187	=cut	1345	=cut
1188		1346
1189	sub list_logins {	1347	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1348	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1349	or return [];
1192		1350
1193	my @logins;	1351	my @logins;
1194		1352
1195	for my $login (@$dirs) {	1353	for my $login (@$dirs) {
…		…
1204	\@logins	1362	\@logins
1205	}	1363	}
1206		1364
1207	=item $player->maps	1365	=item $player->maps
1208		1366
1209	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
1210	player. May block.	1368	player. May block.
1211		1369
1212	=cut	1370	=cut
1213		1371
1214	sub maps($) {	1372	sub maps($) {
1215	my ($pl) = @_;	1373	my ($pl) = @_;
		1374
		1375	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1376
1217	my $files = aio_readdir playerdir $pl	1377	my $files = aio_readdir playerdir $pl
1218	or return;	1378	or return;
1219		1379
1220	my @paths;	1380	my @paths;
…		…
1222	for (@$files) {	1382	for (@$files) {
1223	utf8::decode $_;	1383	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1384	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1385	next unless /^$PATH_SEP/o;
1226		1386
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1387	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1388	}
1229		1389
1230	\@paths	1390	\@paths
1231	}	1391	}
1232		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
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1234		1444
1235	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1236		1446
1237	=cut	1447	=cut
1238		1448
1239	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1241		1451
1242	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1243		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1454	}
1246		1455
1247	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		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	}
1248		1496
1249	=back	1497	=back
1250
1251		1498
1252	=head3 cf::map	1499	=head3 cf::map
1253		1500
1254	=over 4	1501	=over 4
1255		1502
…		…
1258	package cf::map;	1505	package cf::map;
1259		1506
1260	use Fcntl;	1507	use Fcntl;
1261	use Coro::AIO;	1508	use Coro::AIO;
1262		1509
		1510	use overload
		1511	'""' => \&as_string,
		1512	fallback => 1;
		1513
1263	our $MAX_RESET = 3600;	1514	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1515	our $DEFAULT_RESET = 3000;
1265		1516
1266	sub generate_random_map {	1517	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1518	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1519	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1520	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1524	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1525	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$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},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(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"
1283	}	1660	}
1284		1661
1285	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1286	# all maps in C++...	1663	# all maps in C++...
1287	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1289		1666
1290	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1292	}	1669	}
1293		1670
		1671	sub decay_objects {
		1672	my ($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
1294	sub load_map_header($) {	1687	sub load_header_from($) {
1295	my ($path) = @_;	1688	my ($self, $path) = @_;
1296		1689
1297	utf8::encode $path;	1690	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1691	#aio_open $path, O_RDONLY, 0
		1692	# or return;
		1693
		1694	$self->_load_header ($path)
1299	or return;	1695	or return;
1300		1696
1301	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
1302	or return;	1740	or return;
		1741	$self->prepare_orig;
		1742	}
1303		1743
1304	# for better error messages only, will be overwritten later	1744	$self->{deny_reset} = 1
1305	$map->path ($path);	1745	if $self->no_reset;
1306		1746
1307	$map->load_header ($path)	1747	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1748	unless $self->default_region;
1309		1749
1310	$map->{load_path} = $path;	1750	1
1311
1312	$map
1313	}	1751	}
1314		1752
1315	sub find;	1753	sub find;
1316	sub find {	1754	sub find {
1317	my ($path, $origin) = @_;	1755	my ($path, $origin) = @_;
1318		1756
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1757	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1758
1324	cf::lock_wait "map_find:$key";	1759	cf::lock_wait "map_find:$path";
1325		1760
1326	$cf::MAP{$key} || do {	1761	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1762	my $guard = cf::lock_acquire "map_find:$path";
1328		1763	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1764	or return;
1343		1765
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1356		1767
1357	Coro::cede;	1768	$map->load_header
		1769	or return;
1358		1770
1359	if ($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;
1360	$map->reset;	1774	$map->reset;
1361	undef $guard;	1775	undef $guard;
1362	$map = find $path	1776	return find $path;
1363	or return;
1364	}	1777	}
1365		1778
1366	$cf::MAP{$key} = $map	1779	$cf::MAP{$path} = $map
1367	}	1780	}
1368	}	1781	}
		1782
		1783	sub pre_load { }
		1784	sub post_load { }
1369		1785
1370	sub load {	1786	sub load {
1371	my ($self) = @_;	1787	my ($self) = @_;
1372		1788
		1789	local $self->{deny_reset} = 1; # loading can take a long time
		1790
1373	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1794	my $guard = cf::lock_acquire "map_load:$path";
1375		1795
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1797
1378	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1379		1799
1380	$self->alloc;	1800	$self->alloc;
		1801
		1802	$self->pre_load;
		1803	Coro::cede;
		1804
1381	$self->load_objects ($self->{load_path}, 1)	1805	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1806	or return;
1383		1807
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1809	if delete $self->{load_original};
1386		1810
1387	if (my $uniq = $path->uniq_path) {	1811	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1812	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1813	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1814	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1815	$self->_load_objects ($uniq, 0);
1392	}	1816	}
1393	}	1817	}
1394		1818
1395	Coro::cede;	1819	Coro::cede;
1396
1397	# now do the right thing for maps	1820	# now do the right thing for maps
1398	$self->link_multipart_objects;	1821	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1833	$self->activate;
1411	}	1834	}
1412		1835
1413	Coro::cede;
1414
1415	$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	$self
1416	}	1852	}
1417		1853
1418	# find and load all maps in the 3x3 area around a map	1854	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1855	sub load_diag {
1420	my ($map) = @_;	1856	my ($map) = @_;
…		…
1450		1886
1451	cf::sync_job { $map->load };	1887	cf::sync_job { $map->load };
1452	}	1888	}
1453		1889
1454	our %MAP_PREFETCH;	1890	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1891	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1892
1470	sub find_async {	1893	sub find_async {
1471	my ($path, $origin) = @_;	1894	my ($path, $origin) = @_;
1472		1895
1473	$path = new cf::path $path, $origin && $origin->path;	1896	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1897
1476	if (my $map = $cf::MAP{$key}) {	1898	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1900	}
1479		1901
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1915	$MAP_PREFETCHER->prio (6);
1482		1916
1483	()	1917	()
1484	}	1918	}
1485		1919
1486	sub save {	1920	sub save {
…		…
1490		1924
1491	$self->{last_save} = $cf::RUNTIME;	1925	$self->{last_save} = $cf::RUNTIME;
1492		1926
1493	return unless $self->dirty;	1927	return unless $self->dirty;
1494		1928
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1929	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1930	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1931
1498	$self->{load_path} = $save;	1932	$self->{load_path} = $save;
1499		1933
1500	return if $self->{deny_save};	1934	return if $self->{deny_save};
1501		1935
…		…
1504	cf::async {	1938	cf::async {
1505	$_->contr->save for $self->players;	1939	$_->contr->save for $self->players;
1506	};	1940	};
1507		1941
1508	if ($uniq) {	1942	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1945	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1947	}
1514	}	1948	}
1515		1949
1516	sub swap_out {	1950	sub swap_out {
1517	my ($self) = @_;	1951	my ($self) = @_;
…		…
1531		1965
1532	sub reset_at {	1966	sub reset_at {
1533	my ($self) = @_;	1967	my ($self) = @_;
1534		1968
1535	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1538		1971
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1974
…		…
1546	my ($self) = @_;	1979	my ($self) = @_;
1547		1980
1548	$self->reset_at <= $cf::RUNTIME	1981	$self->reset_at <= $cf::RUNTIME
1549	}	1982	}
1550		1983
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1984	sub reset {
1573	my ($self) = @_;	1985	my ($self) = @_;
1574		1986
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1988
1577	return if $self->players;	1989	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		1990
1580	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	}
1581		2002
1582	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->clear;
1583		2006
1584	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1585		2008
1586	$self->unlink_save;	2009	$self->unlink_save;
1587	$self->destroy;	2010	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2013	my $nuke_counter = "aaaa";
1591		2014
1592	sub nuke {	2015	sub nuke {
1593	my ($self) = @_;	2016	my ($self) = @_;
1594		2017
		2018	delete $cf::MAP{$self->path};
		2019
		2020	$self->unlink_save;
		2021
		2022	bless $self, "cf::map";
		2023	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2024	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2025	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2027
		2028	$cf::MAP{$self->path} = $self;
		2029
1598	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1599	}	2031	}
1600		2032
1601	sub customise_for {	2033	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2034
1604	if ($map->per_player) {	2035	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
1606	}	2041	[
		2042	map {
		2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
		2049	}
1607		2050
1608	$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	]
1609	}	2067	}
1610		2068
1611	=item cf::map::unique_maps	2069	=item cf::map::unique_maps
1612		2070
1613	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
1614	instantiated unique items. May block.	2072	instantiated unique items. May block.
1615		2073
1616	=cut	2074	=cut
1617		2075
1618	sub unique_maps() {	2076	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2077	[
1620	or return;	2078	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2079	utf8::decode $_;
1626	next if /\.pst$/;	2080	/\.map$/
1627	next unless /^$PATH_SEP/o;	2081	? normalise $_
1628		2082	: ()
1629	push @paths, new cf::path $_;	2083	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2084	]
1631
1632	\@paths
1633	}	2085	}
1634		2086
1635	package cf;	2087	package cf;
1636		2088
1637	=back	2089	=back
…		…
1683		2135
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2137
1686	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1688	} 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 {
1689	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1691	}	2157	}
1692	}	2158	}
1693		2159
1694	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1695		2161
…		…
1709		2175
1710	=item $player_object->enter_link	2176	=item $player_object->enter_link
1711		2177
1712	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}>).
1713		2179
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	2181	I<MUST> call C<leave_link> as soon as possible, though.
1716		2182
		2183	Will never block.
		2184
1717	=item $player_object->leave_link ($map, $x, $y)	2185	=item $player_object->leave_link ($map, $x, $y)
1718		2186
1719	Moves the player out of the specila link map onto the given map. If the	2187	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2188	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2189	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2190	fails, to the emergency map position.
1723		2191
1724	Might block.	2192	Might block.
1725		2193
1726	=cut	2194	=cut
		2195
		2196	sub link_map {
		2197	unless ($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	$LINK_MAP
		2204	}
1727		2205
1728	sub cf::object::player::enter_link {	2206	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2207	my ($self) = @_;
1730		2208
1731	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1732		2210
1733	return if $self->map == $LINK_MAP;	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2212
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1737		2215
1738	$self->enter_map ($LINK_MAP, 20, 20);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2217	}
1740		2218
1741	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1743		2223
1744	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1745		2225
1746	unless ($map) {	2226	unless ($map) {
1747	# restore original map position	2227	# restore original map position
…		…
1765	$map->load;	2245	$map->load;
1766	$map->load_diag;	2246	$map->load_diag;
1767		2247
1768	return unless $self->contr->active;	2248	return unless $self->contr->active;
1769	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1771	}	2253	}
1772		2254
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($pl) = @_;
1776
1777	# abort map switching before logout
1778	if ($pl->ob->{_link_pos}) {
1779	cf::sync_job {
1780	$pl->ob->leave_link
1781	};
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1806		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
1807	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1808		2265
1809	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
1811		2268
1812	$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;
1813		2271
1814	$self->enter_link;	2272	$self->enter_link;
1815		2273
1816	(async {	2274	(async {
		2275	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
1819		2280	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2281	} else {
1821	# if $map;
1822
1823	$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	}
1824		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};
1825	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1826	})->prio (1);	2297	})->prio (1);
1827	}	2298	}
1828		2299
1829	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1830		2301
…		…
1832		2303
1833	sub parse_random_map_params {	2304	sub parse_random_map_params {
1834	my ($spec) = @_;	2305	my ($spec) = @_;
1835		2306
1836	my $rmp = { # defaults	2307	my $rmp = { # defaults
1837	xsize => 10,	2308	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2309	ysize => (cf::rndm 15, 40),
		2310	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2311	#layout => string,
1839	};	2312	};
1840		2313
1841	for (split /\n/, $spec) {	2314	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2315	my ($k, $v) = split /\s+/, $_, 2;
1843		2316
…		…
1847	$rmp	2320	$rmp
1848	}	2321	}
1849		2322
1850	sub prepare_random_map {	2323	sub prepare_random_map {
1851	my ($exit) = @_;	2324	my ($exit) = @_;
		2325
		2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2327
1853	# all this does is basically replace the /! path by	2328	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2329	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2330	# that depends on the exit object
1856		2331
1857	my $rmp = parse_random_map_params $exit->msg;	2332	my $rmp = parse_random_map_params $exit->msg;
1858		2333
1859	if ($exit->map) {	2334	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2335	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2336	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2337	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2338	$rmp->{origin_y} = $exit->y;
1864	}	2339	}
1865		2340
1866	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1867		2342
1868	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
		2345	my $meta = "$RANDOMDIR/$md5.meta";
1870		2346
1871	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) {
1872	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;
1873		2351
1874	$exit->slaying ("?random/$md5");	2352	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2353	$exit->msg (undef);
1876	}	2354	}
1877	}	2355	}
…		…
1879	sub cf::object::player::enter_exit {	2357	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2358	my ($self, $exit) = @_;
1881		2359
1882	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1883		2361
		2362	if ($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
1884	$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);
1885		2378
1886	(async {	2379	(async {
1887	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2381	unless (eval {
1889	prepare_random_map $exit	2382	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2383
1895	1;	2384	1;
1896	}) {	2385	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	2388	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2390
1902	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2392	$self->leave_link;
1904	}	2393	}
1905	})->prio (1);	2394	})->prio (1);
…		…
1918		2407
1919	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1921		2410
1922	utf8::encode $text;	2411	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2413	}
1925		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	}
1926		2467
1927	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1928		2469
1929	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1930	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>,
1931	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>.
1932		2473
1933	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
1934	reliable at some point in the future.	2475	become reliable at some point in the future.
1935		2476
1936	=cut	2477	=cut
1937		2478
1938	sub cf::client::query {	2479	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2488	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2490
1950	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
1952	}	2495	}
1953		2496
1954	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	},
1955	on_reply => sub {	2503	on_reply => sub {
1956	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
1957		2505
1958	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
1959	# get handled first	2507	# get handled first
1960	my $queue = delete $ns->{query_queue}	2508	my $queue = delete $ns->{query_queue}
1961	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
1962		2510
1963	(shift @$queue)->[1]->($msg);	2511	(shift @$queue)->[1]->($msg);
		2512	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2513
1965	push @{ $ns->{query_queue} }, @$queue;	2514	push @{ $ns->{query_queue} }, @$queue;
1966		2515
1967	if (@{ $ns->{query_queue} } == @$queue) {	2516	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2517	if (@$queue) {
…		…
1970	} else {	2519	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2521	}
1973	}	2522	}
1974	},	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	},
1975	);	2542	);
1976		2543
1977	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
1978		2545
1979	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2593
2027	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
2028		2595
2029	=pod	2596	=pod
2030		2597
2031	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
2032		2599
2033	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
2034	cf::object::player player	2604	cf::object::player
2035	cf::player peaceful	2605	player
2036	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
2037		2612
2038	=cut	2613	=cut
2039		2614
2040	for (	2615	for (
2041	["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)],
2042	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
2045	) {	2621	) {
2046	no strict 'refs';	2622	no strict 'refs';
…		…
2117	=back	2693	=back
2118		2694
2119	=cut	2695	=cut
2120		2696
2121	#############################################################################	2697	#############################################################################
		2698	# the server's init and main functions
2122		2699
2123	=head2 EXTENSION DATABASE SUPPORT	2700	sub load_facedata($) {
		2701	my ($path) = @_;
2124		2702
2125	Crossfire maintains a very simple database for extension use. It can	2703	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2704
2129	The parameter C<$family> should best start with the name of the extension	2705	my $facedata;
2130	using it, it should be unique.	2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
2131		2708
2132	=over 4	2709	$facedata = Coro::Storable::thaw $facedata;
2133		2710
2134	=item $hashref = cf::db_get $family	2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2713
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2714	{
		2715	my $faces = $facedata->{faceinfo};
2172		2716
2173	my $pid;	2717	while (my ($face, $info) = each %$faces) {
2174		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2175	sub db_save() {	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2176	waitpid $pid, 0 if $pid;	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2177	if (0 == ($pid = fork)) {	2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2178	$DB->{_meta}{version} = 1;	2722	Coro::cede;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2723	}
2221	);
2222	}
2223		2724
2224	#############################################################################	2725	while (my ($face, $info) = each %$faces) {
2225	# 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	}
2226		2792
2227	sub cfg_load {	2793	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2795	or return;
2230		2796
2231	local $/;	2797	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2233		2799
…		…
2247		2813
2248	sub main {	2814	sub main {
2249	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
2251	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 {
2252	async { Event::one_event };	2819	Event::one_event;
		2820	})->prio (Coro::PRIO_MAX);
2253	};	2821	};
2254		2822
2255	cfg_load;	2823	cfg_load;
2256	db_load;	2824	db_init;
2257	load_extensions;	2825	load_extensions;
		2826
		2827	$TICK_WATCHER->start;
2258	Event::loop;	2828	Event::loop;
2259	}	2829	}
2260		2830
2261	#############################################################################	2831	#############################################################################
2262	# initialisation and cleanup	2832	# initialisation and cleanup
2263		2833
2264	# install some emergency cleanup handlers	2834	# install some emergency cleanup handlers
2265	BEGIN {	2835	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2836	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2837	Event->signal (
		2838	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2839	data => WF_AUTOCANCEL,
2269	signal => $signal,	2840	signal => $signal,
		2841	prio => 0,
2270	cb => sub {	2842	cb => sub {
2271	cf::cleanup "SIG$signal";	2843	cf::cleanup "SIG$signal";
2272	},	2844	},
2273	);	2845	);
2274	}	2846	}
2275	}	2847	}
2276		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
2277	sub emergency_save() {	2887	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	2888	my $freeze_guard = cf::freeze_mainloop;
2279		2889
2280	warn "enter emergency perl save\n";	2890	warn "enter emergency perl save\n";
2281		2891
2282	cf::sync_job {	2892	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2893	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2894	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2895	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2896	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2897	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2898	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2899	$pl->valid or next;
2290	$pl->save;	2900	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2906	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2907	$map->valid or next;
2298	$map->save;	2908	$map->save;
2299	}	2909	}
2300	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 $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
2301	};	2915	};
2302		2916
2303	warn "leave emergency perl save\n";	2917	warn "leave emergency perl save\n";
2304	}	2918	}
2305		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2306	sub reload() {	2927	sub do_reload_perl() {
2307	# can/must only be called in main	2928	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2930	warn "can only reload from main coroutine";
2310	return;	2931	return;
2311	}	2932	}
2312		2933
2313	warn "reloading...";	2934	warn "reloading...";
2314		2935
2315	warn "freezing server";	2936	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2318		2942
2319	warn "sync database to disk";	2943	warn "syncing database to disk";
2320	cf::db_sync;	2944	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2945
2323	eval {
2324	# 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
2325		2947
2326	warn "cancel all watchers";	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2951	}
2330		2952
		2953	warn "flushing outstanding aio requests";
		2954	for (;;) {
		2955	BDB::flush;
		2956	IO::AIO::flush;
		2957	Coro::cede;
		2958	last unless IO::AIO::nreqs || BDB::nreqs;
		2959	warn "iterate...";
		2960	}
		2961
		2962	++$RELOAD;
		2963
2331	warn "cancel all extension coros";	2964	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2966	%EXT_CORO = ();
2334		2967
2335	warn "remove commands";	2968	warn "removing commands";
2336	%COMMAND = ();	2969	%COMMAND = ();
2337		2970
2338	warn "remove ext commands";	2971	warn "removing ext/exti commands";
2339	%EXTCMD = ();	2972	%EXTCMD = ();
		2973	%EXTICMD = ();
2340		2974
2341	warn "unload/nuke all extensions";	2975	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	2976	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	2977	warn "... unloading $pkg";
2344		2978
2345	if (my $cb = $pkg->can ("unload")) {	2979	if (my $cb = $pkg->can ("unload")) {
2346	eval {	2980	eval {
…		…
2351		2985
2352	warn "... nuking $pkg";	2986	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	2987	Symbol::delete_package $pkg;
2354	}	2988	}
2355		2989
2356	warn "unload all perl modules loaded from $LIBDIR";	2990	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	2991	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		2993
2360	warn "removing <$k>";	2994	warn "... unloading $k";
2361	delete $INC{$k};	2995	delete $INC{$k};
2362		2996
2363	$k =~ s/\.pm$//;	2997	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	2998	$k =~ s/\//::/g;
2365		2999
…		…
2368	}	3002	}
2369		3003
2370	Symbol::delete_package $k;	3004	Symbol::delete_package $k;
2371	}	3005	}
2372		3006
2373	warn "get rid of safe::, as good as possible";	3007	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2375	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);
2376		3010
2377	warn "unload cf.pm \"a bit\"";	3011	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2379		3014
2380	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3016	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2383		3018
		3019	warn "unload completed, starting to reload now";
		3020
2384	warn "reloading cf.pm";	3021	warn "reloading cf.pm";
2385	require cf;	3022	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3024
2388	warn "load config and database again";	3025	warn "loading config and database again";
2389	cf::cfg_load;	3026	cf::cfg_load;
2390	cf::db_load;
2391		3027
2392	warn "load extensions";	3028	warn "loading extensions";
2393	cf::load_extensions;	3029	cf::load_extensions;
2394		3030
2395	warn "reattach attachments to objects/players";	3031	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3032	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3033	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2399	};	3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2400		3037
2401	if ($@) {	3038	warn "leaving sync_job";
		3039
		3040	1
		3041	} or do {
2402	warn $@;	3042	warn $@;
2403	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2404	exit 1;	3044	exit 1;
2405	}	3045	};
2406		3046
2407	warn "reloaded";	3047	warn "reloaded";
2408	};	3048	};
2409		3049
2410	#############################################################################	3050	our $RELOAD_WATCHER; # used only during reload
2411		3051
2412	unless ($LINK_MAP) {	3052	sub reload_perl() {
2413	$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.
2414		3055
2415	$LINK_MAP->width (41);	3056	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3057	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3058	after => 0,
		3059	data => WF_AUTOCANCEL,
2425	cb => sub {	3060	cb => sub {
2426	$_[0]->w->cancel;	3061	do_reload_perl;
2427		3062	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3063	},
2446		3064	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3065	}
2452		3066
2453	register_command "reload" => sub {	3067	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2455		3069
2456	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3071	$who->message ("reloading server.");
		3072	async { reload_perl };
2460	}	3073	}
2461	};	3074	};
2462		3075
2463	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2464		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;
2465	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3104	reentrant => 0,
		3105	parked => 1,
2467	prio => 0,	3106	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3108	data => WF_AUTOCANCEL,
2470	cb => sub {	3109	cb => sub {
		3110	if ($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
2471	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
2472	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2474		3145
2475	$WAIT_FOR_TICK->broadcast;	3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$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;
2477		3165
2478	# 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
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3168
2481	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2482	$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
2483	},	3178	},
2484	);	3179	);
2485		3180
		3181	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3182	BDB::max_poll_time $TICK * 0.1;
2487		3183	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3184	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3185	fd => BDB::poll_fileno,
2490	poll => 'r',	3186	poll => 'r',
2491	prio => 5,	3187	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3188	data => WF_AUTOCANCEL,
2498	after => 0,	3189	cb => \&BDB::poll_cb,
2499	interval => 10,	3190	);
2500	cb => sub {	3191	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3192
2502	write_runtime	3193	BDB::set_sync_prepare {
2503	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 $@;
2504	})->();	3227	};
2505	},	3228	}
2506	);	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;
2507		3286
2508	END { cf::emergency_save }	3287	END { cf::emergency_save }
2509		3288
2510	1	3289	1
2511		3290

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