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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 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 ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
22	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
25		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
26	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
27		42
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
30		45
31	$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
32		47
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		49
35	our %COMMAND = ();	50	our %COMMAND = ();
36	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
38		58
		59	our $RELOAD; # number of reloads so far
39	our @EVENT;	60	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		61
42	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(!)
43	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	78	our $NEXT_TICK;
45	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;
46		84
47	our %CFG;	85	our %CFG;
48		86
49	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	88	our $RUNTIME;
51		89
52	our %PLAYER; # all users	90	our %PLAYER; # all users
53	our %MAP; # all maps	91	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	93
56	our %EXT_CORO; # coroutines bound to extensions	94	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
57		100
58	binmode STDOUT;	101	binmode STDOUT;
59	binmode STDERR;	102	binmode STDERR;
60		103
61	# read virtual server time, if available	104	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
66	}	109	}
67		110
68	mkdir cf::localdir;	111	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		113
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
77		117
78	#############################################################################	118	#############################################################################
79		119
80	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
81		121
…		…
88	=item $cf::RUNTIME	128	=item $cf::RUNTIME
89		129
90	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
91	every server tick.	131	every server tick.
92		132
93	=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
94		136
95	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		141
98	=item $cf::NOW	142	=item $cf::NOW
99		143
100	The time of the last (current) server tick.	144	The time of the last (current) server tick.
101		145
102	=item $cf::TICK	146	=item $cf::TICK
103		147
104	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.
105		159
106	=item %cf::CFG	160	=item %cf::CFG
107		161
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	163	from wherever your confdir points to.
		164
		165	=item cf::wait_for_tick, cf::wait_for_tick_begin
		166
		167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		168	returns directly I<after> the tick processing (and consequently, can only wake one process
		169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		170
111	=back	171	=back
112		172
113	=cut	173	=cut
114		174
115	BEGIN {	175	BEGIN {
116	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	177	my $msg = join "", @_;
118	utf8::encode $msg;
119		178
120	$msg .= "\n"	179	$msg .= "\n"
121	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
122		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
123	LOG llevError, $msg;	185	LOG llevError, $msg;
124	};	186	};
125	}	187	}
126		188
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		196
134	# 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
135	# within the Safe compartment.	198	# within the Safe compartment.
136	for my $pkg (qw(	199	for my $pkg (qw(
137	cf::global cf::attachable	200	cf::global cf::attachable
…		…
146		209
147	$Event::DIED = sub {	210	$Event::DIED = sub {
148	warn "error in event callback: @_";	211	warn "error in event callback: @_";
149	};	212	};
150		213
151	my %ext_pkg;	214	#############################################################################
152	my @exts;
153	my @hook;
154		215
155	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
156		217
157	=over 4	218	=over 4
158		219
159	=cut	220	=item dumpval $ref
160		221
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	222	=cut
		223
		224	sub dumpval {
		225	eval {
		226	local $SIG{__DIE__};
		227	my $d;
		228	if (1) {
		229	$d = new Data::Dumper([$_[0]], ["*var"]);
		230	$d->Terse(1);
		231	$d->Indent(2);
		232	$d->Quotekeys(0);
		233	$d->Useqq(1);
		234	#$d->Bless(...);
		235	$d->Seen($_[1]) if @_ > 1;
		236	$d = $d->Dump();
		237	}
		238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		239	$d
		240	} || "[unable to dump $_[0]: '$@']";
		241	}
162		242
163	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
164		244
165	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
166		246
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
175		248
176	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
177		250
178	=cut	251	=cut
179		252
180	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
182	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
184		257
185	=item cf::lock_wait $string	258	=item cf::lock_wait $string
186		259
187	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
188		261
…		…
194	returned.	267	returned.
195		268
196	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
197	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
198		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
199	=cut	276	=cut
200		277
201	our %LOCK;	278	our %LOCK;
202		279
203	sub lock_wait($) {	280	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
224	}	301	}
225	}	302	}
226		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
227	sub freeze_mainloop {	310	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
229		312
230	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
231	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
232	$guard	317	$guard
233	}	318	}
234		319
235	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
242		327
243	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
244		329
245	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
246		331
247	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
250		336
251	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
254	fast or be very important.	340	fast or be very important.
…		…
257		343
258	sub sync_job(&) {	344	sub sync_job(&) {
259	my ($job) = @_;	345	my ($job) = @_;
260		346
261	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
262	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
264		352
265	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
277		365
278	while ($busy) {	366	while ($busy) {
279	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
280	}	368	}
281		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
282	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
283	} else {	378	} else {
284	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
285		380
286	$job->()	381	$job->()
287	}	382	}
288	}	383	}
289		384
290	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
291		386
292	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	388	extension calling this is being unloaded.
294		389
295	=cut	390	=cut
296		391
297	sub async_ext(&) {	392	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
306		401
307	$coro	402	$coro
308	}	403	}
309		404
310	sub write_runtime {	405	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		406
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
314	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.
315		411
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		413
320	aio_fsync $fh	414	sub fork_call(&@) {
321	and return;	415	my ($cb, @args) = @_;
322		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) {
323	close $fh	423	close $fh2;
324	or return;
325		424
326	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
327	and return;	426	warn "pst<$res>" unless $res =~ /^pst/;
		427	$res = Coro::Storable::thaw $res;
328		428
		429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		430
		431	Carp::confess $$res unless "ARRAY" eq ref $res;
		432
		433	return wantarray ? @$res : $res->[-1];
		434	} else {
		435	reset_signals;
		436	local $SIG{__WARN__};
		437	local $SIG{__DIE__};
		438	local $Coro::idle;
		439	$Coro::current->prio (Coro::PRIO_MAX);
		440	eval {
		441	close $fh1;
		442
		443	my @res = eval { $cb->(@args) };
		444
		445	open my $fh, ">", \my $buf
		446	or die "fork_call: cannot open fh-to-buf in child : $!";
		447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
		448	close $fh;
		449
		450	warn "writing ", length $buf;
		451	my $x;
		452	(length $buf) == ($x = syswrite $fh2, $buf)
		453	or warn "error writing ".(length $buf)." != $x\n";
		454	close $fh2;
		455	};
		456
		457	warn $@ if $@;
		458	_exit 0;
329	1	459	}
		460	}
		461
		462	=item $value = cf::db_get $family => $key
		463
		464	Returns a single value from the environment database.
		465
		466	=item cf::db_put $family => $key => $value
		467
		468	Stores the given C<$value> in the family. It can currently store binary
		469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		470
		471	=cut
		472
		473	our $DB;
		474
		475	sub db_init {
		476	unless ($DB) {
		477	$DB = BDB::db_create $DB_ENV;
		478
		479	cf::sync_job {
		480	eval {
		481	$DB->set_flags (BDB::CHKSUM);
		482
		483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		485	cf::cleanup "db_open(db): $!" if $!;
		486	};
		487	cf::cleanup "db_open(db): $@" if $@;
		488	};
		489	}
		490	}
		491
		492	sub db_get($$) {
		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 });
330	}	587	}
331		588
332	=back	589	=back
333		590
334	=cut	591	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		592
456	#############################################################################	593	#############################################################################
457		594
458	=head2 ATTACHABLE OBJECTS	595	=head2 ATTACHABLE OBJECTS
459		596
…		…
461	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")
462	to it. All such attachable objects support the following methods.	599	to it. All such attachable objects support the following methods.
463		600
464	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>
465	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
466	crossfire+).	603	Crossfire TRT).
467		604
468	=over 4	605	=over 4
469		606
470	=item $attachable->attach ($attachment, key => $value...)	607	=item $attachable->attach ($attachment, key => $value...)
471		608
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	722	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	723	our @CB_MAP = ();
587		724
588	my %attachment;	725	my %attachment;
589		726
		727	sub cf::attachable::thawer_merge {
		728	# simply override everything except _meta
		729	local $_[0]{_meta};
		730	%{$_[0]} = %{$_[1]};
		731	}
		732
590	sub _attach_cb($$$$) {	733	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	734	my ($registry, $event, $prio, $cb) = @_;
592		735
593	use sort 'stable';	736	use sort 'stable';
594		737
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	771	$registry = $CB_TYPE[$object_type] ||= [];
629		772
630	} elsif ($type eq "subtype") {	773	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	774	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	775	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	776	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		777
635	} elsif ($type eq "package") {	778	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	779	my $pkg = shift @arg;
637		780
638	while (my ($name, $id) = each %cb_id) {	781	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	810	_attach $registry, $klass, @attach;
668	}	811	}
669		812
670	$obj->{$name} = \%arg;	813	$obj->{$name} = \%arg;
671	} else {	814	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	815	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	816	}
674		817
675	$obj->{_attachment}{$name} = undef;	818	$obj->{_attachment}{$name} = undef;
676	}	819	}
677		820
…		…
679	if (ref $_[0]) {	822	if (ref $_[0]) {
680	_object_attach @_;	823	_object_attach @_;
681	} else {	824	} else {
682	_attach shift->_attach_registry, @_;	825	_attach shift->_attach_registry, @_;
683	}	826	}
		827	_recalc_want;
684	};	828	};
685		829
686	# all those should be optimised	830	# all those should be optimised
687	sub cf::attachable::detach {	831	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	832	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	835	delete $obj->{_attachment}{$name};
692	reattach ($obj);	836	reattach ($obj);
693	} else {	837	} else {
694	Carp::croak "cannot, currently, detach class attachments";	838	Carp::croak "cannot, currently, detach class attachments";
695	}	839	}
		840	_recalc_want;
696	};	841	};
697		842
698	sub cf::attachable::attached {	843	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
700		845
…		…
765	# object support	910	# object support
766		911
767	sub reattach {	912	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	913	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	914	my ($obj) = @_;
		915
		916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		917
771	my $registry = $obj->registry;	918	my $registry = $obj->registry;
772		919
773	@$registry = ();	920	@$registry = ();
774		921
…		…
821	$filename, length $$rdata, scalar @$objs;	968	$filename, length $$rdata, scalar @$objs;
822		969
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	971	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	973	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	974	close $fh;
828		975
829	if (@$objs) {	976	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	978	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	979	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	980	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	981	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	982	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	983	aio_rename "$filename.pst~", "$filename.pst";
837	}	984	}
838	} else {	985	} else {
839	aio_unlink "$filename.pst";	986	aio_unlink "$filename.pst";
…		…
871	or return;	1018	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1019	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1020	}
874		1021
875	warn sprintf "loading %s (%d)\n",	1022	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1023	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1024	return ($data, $av);
878	}	1025	}
		1026
		1027	=head2 COMMAND CALLBACKS
		1028
		1029	=over 4
		1030
		1031	=cut
879		1032
880	#############################################################################	1033	#############################################################################
881	# command handling &c	1034	# command handling &c
882		1035
883	=item cf::register_command $name => \&callback($ob,$args);	1036	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1049	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1050	}
898		1051
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1052	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1053
901	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.
902		1059
903	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
904	called.	1061	called.
905		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
906	=cut	1074	=cut
907		1075
908	sub register_extcmd {	1076	sub register_extcmd {
909	my ($name, $cb) = @_;	1077	my ($name, $cb) = @_;
910		1078
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1079	$EXTCMD{$name} = $cb;
		1080	}
		1081
		1082	sub register_exticmd {
		1083	my ($name, $cb) = @_;
		1084
		1085	$EXTICMD{$name} = $cb;
915	}	1086	}
916		1087
917	cf::player->attach (	1088	cf::player->attach (
918	on_command => sub {	1089	on_command => sub {
919	my ($pl, $name, $params) = @_;	1090	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1099	cf::override;
929	},	1100	},
930	on_extcmd => sub {	1101	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1102	my ($pl, $buf) = @_;
932		1103
933	my $msg = eval { from_json $buf };	1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1105
935	if (ref $msg) {	1106	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1108	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1109	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	1110	}
940	}	1111	}
941	} else {	1112	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		1115
945	cf::override;	1116	cf::override;
946	},	1117	},
947	);	1118	);
948		1119
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1120	sub load_extensions {
		1121	cf::sync_job {
		1122	my %todo;
		1123
1026	for my $ext (<$LIBDIR/*.ext>) {	1124	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1125	next unless -r $path;
1028	eval {	1126
1029	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;
1030	1	1184	}
1031	} or warn "$ext not loaded: $@";	1185
		1186	skip:
		1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1188	unless $progress;
		1189	}
1032	}	1190	};
1033	}	1191	}
1034		1192
1035	#############################################################################	1193	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1194
1038	*cf::mapsupport::on_clean = sub {	1195	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1196
1073	=head2 CORE EXTENSIONS	1197	=head2 CORE EXTENSIONS
1074		1198
1075	Functions and methods that extend core crossfire objects.	1199	Functions and methods that extend core crossfire objects.
1076		1200
1077	=cut	1201	=cut
1078		1202
1079	package cf::player;	1203	package cf::player;
1080		1204
		1205	use Coro::AIO;
		1206
1081	=head3 cf::player	1207	=head3 cf::player
1082		1208
1083	=over 4	1209	=over 4
1084		1210
1085	=item cf::player::find $login	1211	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1213	Returns the given player object, loading it if necessary (might block).
1088		1214
1089	=cut	1215	=cut
1090		1216
1091	sub playerdir($) {	1217	sub playerdir($) {
1092	cf::localdir	1218	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1219	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1220	}
1098		1221
1099	sub path($) {	1222	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1223	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1224
1102	(playerdir $login) . "/$login.pl"	1225	(playerdir $login) . "/playerdata"
1103	}	1226	}
1104		1227
1105	sub find_active($) {	1228	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1229	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1230	and $cf::PLAYER{$_[0]}->active
…		…
1110		1233
1111	sub exists($) {	1234	sub exists($) {
1112	my ($login) = @_;	1235	my ($login) = @_;
1113		1236
1114	$cf::PLAYER{$login}	1237	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1238	or cf::sync_job { !aio_stat path $login }
1116	}	1239	}
1117		1240
1118	sub find($) {	1241	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1242	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1243	my $login = $_[0];
1121		1244
1122	my $guard = cf::lock_acquire "user_find:$login";	1245	my $guard = cf::lock_acquire "user_find:$login";
1123		1246
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1255	my $pl = load_pl path $login
		1256	or return;
		1257	$cf::PLAYER{$login} = $pl
		1258	}
1125	};	1259	}
1126	}	1260	}
1127		1261
1128	sub save($) {	1262	sub save($) {
1129	my ($pl) = @_;	1263	my ($pl) = @_;
1130		1264
…		…
1133	my $path = path $pl;	1267	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1268	my $guard = cf::lock_acquire "user_save:$path";
1135		1269
1136	return if $pl->{deny_save};	1270	return if $pl->{deny_save};
1137		1271
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1272	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1273	$pl->{last_save} = $cf::RUNTIME;
1140		1274
1141	$pl->save_pl ($path);	1275	$pl->save_pl ($path);
1142	Coro::cede;	1276	Coro::cede;
1143	}	1277	}
…		…
1153	$cf::PLAYER{$login} = $self;	1287	$cf::PLAYER{$login} = $self;
1154		1288
1155	$self	1289	$self
1156	}	1290	}
1157		1291
		1292	=item $pl->quit_character
		1293
		1294	Nukes the player without looking back. If logged in, the connection will
		1295	be destroyed. May block for a long time.
		1296
		1297	=cut
		1298
1158	sub quit_character {	1299	sub quit_character {
1159	my ($pl) = @_;	1300	my ($pl) = @_;
		1301
		1302	my $name = $pl->ob->name;
1160		1303
1161	$pl->{deny_save} = 1;	1304	$pl->{deny_save} = 1;
1162	$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
1163		1306
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1310	$pl->ns->destroy if $pl->ns;
1168		1311
1169	my $path = playerdir $pl;	1312	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1313	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1314	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1315	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1316	$pl->destroy;
1174		1317
		1318	my $prefix = qr<^~\Q$name\E/>;
		1319
		1320	# nuke player maps
		1321	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1322
1175	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;
		1338	}
		1339
		1340	=item cf::player::list_logins
		1341
		1342	Returns am arrayref of all valid playernames in the system, can take a
		1343	while and may block, so not sync_job-capable, ever.
		1344
		1345	=cut
		1346
		1347	sub list_logins {
		1348	my $dirs = aio_readdir $PLAYERDIR
		1349	or return [];
		1350
		1351	my @logins;
		1352
		1353	for my $login (@$dirs) {
		1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1355	aio_read $fh, 0, 512, my $buf, 0 or next;
		1356	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1357
		1358	utf8::decode $login;
		1359	push @logins, $login;
1176	};	1360	}
1177	}
1178		1361
		1362	\@logins
		1363	}
		1364
		1365	=item $player->maps
		1366
		1367	Returns an arrayref of map paths that are private for this
		1368	player. May block.
		1369
		1370	=cut
		1371
		1372	sub maps($) {
		1373	my ($pl) = @_;
		1374
		1375	$pl = ref $pl ? $pl->ob->name : $pl;
		1376
		1377	my $files = aio_readdir playerdir $pl
		1378	or return;
		1379
		1380	my @paths;
		1381
		1382	for (@$files) {
		1383	utf8::decode $_;
		1384	next if /\.(?:pl|pst)$/;
		1385	next unless /^$PATH_SEP/o;
		1386
		1387	push @paths, cf::map::normalise "~$pl/$_";
		1388	}
		1389
		1390	\@paths
		1391	}
		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
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1443	=item $player->ext_reply ($msgid, %msg)
1180		1444
1181	Sends an ext reply to the player.	1445	Sends an ext reply to the player.
1182		1446
1183	=cut	1447	=cut
1184		1448
1185	sub ext_reply($$$%) {	1449	sub ext_reply($$%) {
1186	my ($self, $id, %msg) = @_;	1450	my ($self, $id, %msg) = @_;
1187		1451
1188	$msg{msgid} = $id;	1452	$msg{msgid} = $id;
1189		1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1454	}
1192		1455
1193	package cf;	1456	=item $player->ext_event ($type, %msg)
		1457
		1458	Sends an ext event to the client.
		1459
		1460	=cut
		1461
		1462	sub ext_event($$%) {
		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	}
1194		1496
1195	=back	1497	=back
1196
1197		1498
1198	=head3 cf::map	1499	=head3 cf::map
1199		1500
1200	=over 4	1501	=over 4
1201		1502
…		…
1204	package cf::map;	1505	package cf::map;
1205		1506
1206	use Fcntl;	1507	use Fcntl;
1207	use Coro::AIO;	1508	use Coro::AIO;
1208		1509
		1510	use overload
		1511	'""' => \&as_string,
		1512	fallback => 1;
		1513
1209	our $MAX_RESET = 3600;	1514	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1515	our $DEFAULT_RESET = 3000;
1211		1516
1212	sub generate_random_map {	1517	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1518	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1519	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1520	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1524	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1525	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$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},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(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"
1229	}	1660	}
1230		1661
1231	# and all this just because we cannot iterate over	1662	# and all this just because we cannot iterate over
1232	# all maps in C++...	1663	# all maps in C++...
1233	sub change_all_map_light {	1664	sub change_all_map_light {
…		…
1235		1666
1236	$_->change_map_light ($change)	1667	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1668	for grep $_->outdoor, values %cf::MAP;
1238	}	1669	}
1239		1670
		1671	sub decay_objects {
		1672	my ($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
1240	sub try_load_header($) {	1687	sub load_header_from($) {
1241	my ($path) = @_;	1688	my ($self, $path) = @_;
1242		1689
1243	utf8::encode $path;	1690	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1691	#aio_open $path, O_RDONLY, 0
		1692	# or return;
		1693
		1694	$self->_load_header ($path)
1245	or return;	1695	or return;
1246		1696
1247	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
1248	or return;	1740	or return;
		1741	$self->prepare_orig;
		1742	}
1249		1743
1250	# for better error messages only, will be overwritten	1744	$self->{deny_reset} = 1
1251	$map->path ($path);	1745	if $self->no_reset;
1252		1746
1253	$map->load_header ($path)	1747	$self->default_region (cf::region::find_by_path $self->{path})
1254	or return;	1748	unless $self->default_region;
1255		1749
1256	$map->{load_path} = $path;	1750	1
1257
1258	$map
1259	}	1751	}
1260		1752
1261	sub find;	1753	sub find;
1262	sub find {	1754	sub find {
1263	my ($path, $origin) = @_;	1755	my ($path, $origin) = @_;
1264		1756
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1757	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1758
1270	cf::lock_wait "map_find:$key";	1759	cf::lock_wait "map_find:$path";
1271		1760
1272	$cf::MAP{$key} || do {	1761	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1762	my $guard = cf::lock_acquire "map_find:$path";
1274		1763	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1764	or return;
1294		1765
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1766	$map->{last_save} = $cf::RUNTIME;
1307		1767
1308	Coro::cede;	1768	$map->load_header
		1769	or return;
1309		1770
1310	if ($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;
1311	$map->reset;	1774	$map->reset;
1312	undef $guard;	1775	undef $guard;
1313	$map = find $path	1776	return find $path;
1314	or return;
1315	}	1777	}
1316		1778
1317	$cf::MAP{$key} = $map	1779	$cf::MAP{$path} = $map
1318	}	1780	}
1319	}	1781	}
		1782
		1783	sub pre_load { }
		1784	sub post_load { }
1320		1785
1321	sub load {	1786	sub load {
1322	my ($self) = @_;	1787	my ($self) = @_;
1323		1788
		1789	local $self->{deny_reset} = 1; # loading can take a long time
		1790
1324	my $path = $self->{path};	1791	my $path = $self->{path};
		1792
		1793	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1794	my $guard = cf::lock_acquire "map_load:$path";
1326		1795
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1796	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1797
1329	$self->in_memory (cf::MAP_LOADING);	1798	$self->in_memory (cf::MAP_LOADING);
1330		1799
1331	$self->alloc;	1800	$self->alloc;
		1801
		1802	$self->pre_load;
		1803	Coro::cede;
		1804
1332	$self->load_objects ($self->{load_path}, 1)	1805	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1806	or return;
1334		1807
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1809	if delete $self->{load_original};
1337		1810
1338	if (my $uniq = $path->uniq_path) {	1811	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1812	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1813	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1814	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1815	$self->_load_objects ($uniq, 0);
1343	}	1816	}
1344	}	1817	}
1345		1818
1346	Coro::cede;	1819	Coro::cede;
1347
1348	# now do the right thing for maps	1820	# now do the right thing for maps
1349	$self->link_multipart_objects;	1821	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1822	$self->difficulty ($self->estimate_difficulty)
1360	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;
1361	$self->activate;	1833	$self->activate;
1362	}	1834	}
1363		1835
1364	Coro::cede;
1365
1366	$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	$self
		1852	}
		1853
		1854	# find and load all maps in the 3x3 area around a map
		1855	sub load_diag {
		1856	my ($map) = @_;
		1857
		1858	my @diag; # diagonal neighbours
		1859
		1860	for (0 .. 3) {
		1861	my $neigh = $map->tile_path ($_)
		1862	or next;
		1863	$neigh = find $neigh, $map
		1864	or next;
		1865	$neigh->load;
		1866
		1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1869	}
		1870
		1871	for (@diag) {
		1872	my $neigh = find @$_
		1873	or next;
		1874	$neigh->load;
		1875	}
1367	}	1876	}
1368		1877
1369	sub find_sync {	1878	sub find_sync {
1370	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1371		1880
1372	cf::sync_job { cf::map::find $path, $origin }	1881	cf::sync_job { find $path, $origin }
1373	}	1882	}
1374		1883
1375	sub do_load_sync {	1884	sub do_load_sync {
1376	my ($map) = @_;	1885	my ($map) = @_;
1377		1886
1378	cf::sync_job { $map->load };	1887	cf::sync_job { $map->load };
1379	}	1888	}
1380		1889
		1890	our %MAP_PREFETCH;
		1891	our $MAP_PREFETCHER = undef;
		1892
		1893	sub find_async {
		1894	my ($path, $origin) = @_;
		1895
		1896	$path = normalise $path, $origin && $origin->{path};
		1897
		1898	if (my $map = $cf::MAP{$path}) {
		1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1900	}
		1901
		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	};
		1915	$MAP_PREFETCHER->prio (6);
		1916
		1917	()
		1918	}
		1919
1381	sub save {	1920	sub save {
1382	my ($self) = @_;	1921	my ($self) = @_;
1383		1922
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1924
1386	$self->{last_save} = $cf::RUNTIME;	1925	$self->{last_save} = $cf::RUNTIME;
1387		1926
1388	return unless $self->dirty;	1927	return unless $self->dirty;
1389		1928
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1929	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1930	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1931
1393	$self->{load_path} = $save;	1932	$self->{load_path} = $save;
1394		1933
1395	return if $self->{deny_save};	1934	return if $self->{deny_save};
1396		1935
…		…
1399	cf::async {	1938	cf::async {
1400	$_->contr->save for $self->players;	1939	$_->contr->save for $self->players;
1401	};	1940	};
1402		1941
1403	if ($uniq) {	1942	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1945	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1947	}
1409	}	1948	}
1410		1949
1411	sub swap_out {	1950	sub swap_out {
1412	my ($self) = @_;	1951	my ($self) = @_;
…		…
1426		1965
1427	sub reset_at {	1966	sub reset_at {
1428	my ($self) = @_;	1967	my ($self) = @_;
1429		1968
1430	# TODO: safety, remove and allow resettable per-player maps	1969	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	1970	return 1e99 if $self->{deny_reset};
1433		1971
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1972	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1973	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1974
…		…
1441	my ($self) = @_;	1979	my ($self) = @_;
1442		1980
1443	$self->reset_at <= $cf::RUNTIME	1981	$self->reset_at <= $cf::RUNTIME
1444	}	1982	}
1445		1983
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1984	sub reset {
1468	my ($self) = @_;	1985	my ($self) = @_;
1469		1986
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1987	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1988
1472	return if $self->players;	1989	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		1990
1475	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	}
1476		2002
1477	delete $cf::MAP{$self->path};	2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->clear;
1478		2006
1479	$_->clear_links_to ($self) for values %cf::MAP;	2007	$_->clear_links_to ($self) for values %cf::MAP;
1480		2008
1481	$self->unlink_save;	2009	$self->unlink_save;
1482	$self->destroy;	2010	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	2013	my $nuke_counter = "aaaa";
1486		2014
1487	sub nuke {	2015	sub nuke {
1488	my ($self) = @_;	2016	my ($self) = @_;
1489		2017
		2018	delete $cf::MAP{$self->path};
		2019
		2020	$self->unlink_save;
		2021
		2022	bless $self, "cf::map";
		2023	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2024	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2025	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2027
		2028	$cf::MAP{$self->path} = $self;
		2029
1493	$self->reset; # polite request, might not happen	2030	$self->reset; # polite request, might not happen
1494	}	2031	}
1495		2032
1496	sub customise_for {	2033	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2034
1499	if ($map->per_player) {	2035	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2036	maps. May block.
		2037
		2038	=cut
		2039
		2040	sub tmp_maps() {
1501	}	2041	[
1502		2042	map {
1503	$map	2043	utf8::decode $_;
		2044	/\.map$/
		2045	? normalise $_
		2046	: ()
		2047	} @{ aio_readdir $TMPDIR or [] }
		2048	]
1504	}	2049	}
1505		2050
1506	sub emergency_save {	2051	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2052
1509	warn "enter emergency perl save\n";	2053	Returns an arrayref with all map paths of currently instantiated and saved
		2054	random maps. May block.
1510		2055
1511	cf::sync_job {	2056	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2057
1516	warn "begin emergency map save\n";	2058	sub random_maps() {
1517	$_->save for values %cf::MAP;	2059	[
1518	warn "end emergency map save\n";	2060	map {
1519	};	2061	utf8::decode $_;
		2062	/\.map$/
		2063	? normalise "?random/$_"
		2064	: ()
		2065	} @{ aio_readdir $RANDOMDIR or [] }
		2066	]
		2067	}
1520		2068
1521	warn "leave emergency perl save\n";	2069	=item cf::map::unique_maps
		2070
		2071	Returns an arrayref of paths of all shared maps that have
		2072	instantiated unique items. May block.
		2073
		2074	=cut
		2075
		2076	sub unique_maps() {
		2077	[
		2078	map {
		2079	utf8::decode $_;
		2080	/\.map$/
		2081	? normalise $_
		2082	: ()
		2083	} @{ aio_readdir $UNIQUEDIR or [] }
		2084	]
1522	}	2085	}
1523		2086
1524	package cf;	2087	package cf;
1525		2088
1526	=back	2089	=back
1527		2090
		2091	=head3 cf::object
		2092
		2093	=cut
		2094
		2095	package cf::object;
		2096
		2097	=over 4
		2098
		2099	=item $ob->inv_recursive
		2100
		2101	Returns the inventory of the object _and_ their inventories, recursively.
		2102
		2103	=cut
		2104
		2105	sub inv_recursive_;
		2106	sub inv_recursive_ {
		2107	map { $_, inv_recursive_ $_->inv } @_
		2108	}
		2109
		2110	sub inv_recursive {
		2111	inv_recursive_ inv $_[0]
		2112	}
		2113
		2114	package cf;
		2115
		2116	=back
1528		2117
1529	=head3 cf::object::player	2118	=head3 cf::object::player
1530		2119
1531	=over 4	2120	=over 4
1532		2121
…		…
1546		2135
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2136	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2137
1549	if ($self->{record_replies}) {	2138	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2139	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2140
1551	} 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 {
1552	$msg = $npc->name . " says: $msg" if $npc;	2154	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2155	$self->message ($msg, $flags);
		2156	}
1554	}	2157	}
1555	}	2158	}
1556		2159
1557	=item $player_object->may ("access")	2160	=item $player_object->may ("access")
1558		2161
…		…
1572		2175
1573	=item $player_object->enter_link	2176	=item $player_object->enter_link
1574		2177
1575	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}>).
1576		2179
1577	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
1578	I<MUST> call C<leave_link> as soon as possible, though.	2181	I<MUST> call C<leave_link> as soon as possible, though.
1579		2182
		2183	Will never block.
		2184
1580	=item $player_object->leave_link ($map, $x, $y)	2185	=item $player_object->leave_link ($map, $x, $y)
1581		2186
1582	Moves the player out of the specila link map onto the given map. If the	2187	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2188	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2189	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2190	fails, to the emergency map position.
1586		2191
1587	Might block.	2192	Might block.
1588		2193
1589	=cut	2194	=cut
		2195
		2196	sub link_map {
		2197	unless ($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	$LINK_MAP
		2204	}
1590		2205
1591	sub cf::object::player::enter_link {	2206	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2207	my ($self) = @_;
1593		2208
1594	$self->deactivate_recursive;	2209	$self->deactivate_recursive;
1595		2210
1596	return if $self->map == $LINK_MAP;	2211	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2212
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2214	if $self->map && $self->map->{path} ne "{link}";
1600		2215
1601	$self->enter_map ($LINK_MAP, 20, 20);	2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	2217	}
1603		2218
1604	sub cf::object::player::leave_link {	2219	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2220	my ($self, $map, $x, $y) = @_;
		2221
		2222	return unless $self->contr->active;
1606		2223
1607	my $link_pos = delete $self->{_link_pos};	2224	my $link_pos = delete $self->{_link_pos};
1608		2225
1609	unless ($map) {	2226	unless ($map) {
1610	# restore original map position	2227	# restore original map position
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	2241	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2242	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2243	if $x <=0 && $y <= 0;
1627		2244
1628	$map->load;	2245	$map->load;
		2246	$map->load_diag;
1629		2247
1630	return unless $self->contr->active;	2248	return unless $self->contr->active;
1631	$self->activate_recursive;	2249	$self->activate_recursive;
		2250
		2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	2252	$self->enter_map ($map, $x, $y);
1633	}	2253	}
1634		2254
1635	cf::player->attach (
1636	on_logout => sub {
1637	my ($pl) = @_;
1638
1639	# abort map switching before logout
1640	if ($pl->ob->{_link_pos}) {
1641	cf::sync_job {
1642	$pl->ob->leave_link
1643	};
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648
1649	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666
1667	=item $player_object->goto ($path, $x, $y)	2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1668		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
1669	=cut	2262	=cut
		2263
		2264	our $GOTOGEN;
1670		2265
1671	sub cf::object::player::goto {	2266	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2267	my ($self, $path, $x, $y, $check) = @_;
		2268
		2269	# do generation counting so two concurrent goto's will be executed in-order
		2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2271
1674	$self->enter_link;	2272	$self->enter_link;
1675		2273
1676	(async {	2274	(async {
1677	$path = new cf::path $path;	2275	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	2276	my $map = cf::map::find $path;
		2277
		2278	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2279	$map = $map->customise_for ($self);
1681		2280	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2281	} else {
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2283	}
1686		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};
1687	$self->leave_link ($map, $x, $y);	2295	$self->leave_link ($map, $x, $y);
		2296	}
1688	})->prio (1);	2297	})->prio (1);
1689	}	2298	}
1690		2299
1691	=item $player_object->enter_exit ($exit_object)	2300	=item $player_object->enter_exit ($exit_object)
1692		2301
…		…
1694		2303
1695	sub parse_random_map_params {	2304	sub parse_random_map_params {
1696	my ($spec) = @_;	2305	my ($spec) = @_;
1697		2306
1698	my $rmp = { # defaults	2307	my $rmp = { # defaults
1699	xsize => 10,	2308	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	2309	ysize => (cf::rndm 15, 40),
		2310	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2311	#layout => string,
1701	};	2312	};
1702		2313
1703	for (split /\n/, $spec) {	2314	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	2315	my ($k, $v) = split /\s+/, $_, 2;
1705		2316
…		…
1709	$rmp	2320	$rmp
1710	}	2321	}
1711		2322
1712	sub prepare_random_map {	2323	sub prepare_random_map {
1713	my ($exit) = @_;	2324	my ($exit) = @_;
		2325
		2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		2327
1715	# all this does is basically replace the /! path by	2328	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	2329	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	2330	# that depends on the exit object
1718		2331
1719	my $rmp = parse_random_map_params $exit->msg;	2332	my $rmp = parse_random_map_params $exit->msg;
1720		2333
1721	if ($exit->map) {	2334	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	2335	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	2336	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	2337	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	2338	$rmp->{origin_y} = $exit->y;
1726	}	2339	}
1727		2340
1728	$rmp->{random_seed} ||= $exit->random_seed;	2341	$rmp->{random_seed} ||= $exit->random_seed;
1729		2342
1730	my $data = cf::to_json $rmp;	2343	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	2344	my $md5 = Digest::MD5::md5_hex $data;
		2345	my $meta = "$RANDOMDIR/$md5.meta";
1732		2346
1733	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) {
1734	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;
1735		2351
1736	$exit->slaying ("?random/$md5");	2352	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	2353	$exit->msg (undef);
1738	}	2354	}
1739	}	2355	}
…		…
1741	sub cf::object::player::enter_exit {	2357	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	2358	my ($self, $exit) = @_;
1743		2359
1744	return unless $self->type == cf::PLAYER;	2360	return unless $self->type == cf::PLAYER;
1745		2361
		2362	if ($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
1746	$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);
1747		2378
1748	(async {	2379	(async {
1749	$self->deactivate_recursive; # just to be sure	2380	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	2381	unless (eval {
1751	prepare_random_map $exit	2382	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		2383
1757	1;	2384	1;
1758	}) {	2385	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	2386	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "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. "
1761	. "Please report this to the dungeon master",	2388	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2389	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2390
1764	warn "ERROR in enter_exit: $@";	2391	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2392	$self->leave_link;
1766	}	2393	}
1767	})->prio (1);	2394	})->prio (1);
…		…
1780		2407
1781	sub cf::client::send_drawinfo {	2408	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2409	my ($self, $text, $flags) = @_;
1783		2410
1784	utf8::encode $text;	2411	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2413	}
1787		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	}
1788		2467
1789	=item $success = $client->query ($flags, "text", \&cb)	2468	=item $success = $client->query ($flags, "text", \&cb)
1790		2469
1791	Queues a query to the client, calling the given callback with	2470	Queues a query to the client, calling the given callback with
1792	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>,
1793	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>.
1794		2473
1795	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
1796	reliable at some point in the future.	2475	become reliable at some point in the future.
1797		2476
1798	=cut	2477	=cut
1799		2478
1800	sub cf::client::query {	2479	sub cf::client::query {
1801	my ($self, $flags, $text, $cb) = @_;	2480	my ($self, $flags, $text, $cb) = @_;
…		…
1809	utf8::encode $text;	2488	utf8::encode $text;
1810	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2489	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1811		2490
1812	$self->send_packet ($self->{query_queue}[0][0])	2491	$self->send_packet ($self->{query_queue}[0][0])
1813	if @{ $self->{query_queue} } == 1;	2492	if @{ $self->{query_queue} } == 1;
		2493
		2494	1
1814	}	2495	}
1815		2496
1816	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	},
1817	on_reply => sub {	2503	on_reply => sub {
1818	my ($ns, $msg) = @_;	2504	my ($ns, $msg) = @_;
1819		2505
1820	# this weird shuffling is so that direct followup queries	2506	# this weird shuffling is so that direct followup queries
1821	# get handled first	2507	# get handled first
1822	my $queue = delete $ns->{query_queue}	2508	my $queue = delete $ns->{query_queue}
1823	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
1824		2510
1825	(shift @$queue)->[1]->($msg);	2511	(shift @$queue)->[1]->($msg);
		2512	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2513
1827	push @{ $ns->{query_queue} }, @$queue;	2514	push @{ $ns->{query_queue} }, @$queue;
1828		2515
1829	if (@{ $ns->{query_queue} } == @$queue) {	2516	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2517	if (@$queue) {
…		…
1832	} else {	2519	} else {
1833	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2520	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1834	}	2521	}
1835	}	2522	}
1836	},	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	},
1837	);	2542	);
1838		2543
1839	=item $client->async (\&cb)	2544	=item $client->async (\&cb)
1840		2545
1841	Create a new coroutine, running the specified callback. The coroutine will	2546	Create a new coroutine, running the specified callback. The coroutine will
…		…
1888		2593
1889	# here we export the classes and methods available to script code	2594	# here we export the classes and methods available to script code
1890		2595
1891	=pod	2596	=pod
1892		2597
1893	The following fucntions and emthods are available within a safe environment:	2598	The following functions and methods are available within a safe environment:
1894		2599
1895	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
1896	cf::object::player player	2604	cf::object::player
1897	cf::player peaceful	2605	player
1898	cf::map trigger	2606
		2607	cf::player
		2608	peaceful
		2609
		2610	cf::map
		2611	trigger
1899		2612
1900	=cut	2613	=cut
1901		2614
1902	for (	2615	for (
1903	["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)],
1904	["cf::object::player" => qw(player)],	2618	["cf::object::player" => qw(player)],
1905	["cf::player" => qw(peaceful)],	2619	["cf::player" => qw(peaceful)],
1906	["cf::map" => qw(trigger)],	2620	["cf::map" => qw(trigger)],
1907	) {	2621	) {
1908	no strict 'refs';	2622	no strict 'refs';
…		…
1979	=back	2693	=back
1980		2694
1981	=cut	2695	=cut
1982		2696
1983	#############################################################################	2697	#############################################################################
		2698	# the server's init and main functions
1984		2699
1985	=head2 EXTENSION DATABASE SUPPORT	2700	sub load_facedata($) {
		2701	my ($path) = @_;
1986		2702
1987	Crossfire maintains a very simple database for extension use. It can	2703	warn "loading facedata from $path\n";
1988	currently store anything that can be serialised using Storable, which
1989	excludes objects.
1990		2704
1991	The parameter C<$family> should best start with the name of the extension	2705	my $facedata;
1992	using it, it should be unique.	2706	0 < aio_load $path, $facedata
		2707	or die "$path: $!";
1993		2708
1994	=over 4	2709	$facedata = Coro::Storable::thaw $facedata;
1995		2710
1996	=item $hashref = cf::db_get $family	2711	$facedata->{version} == 2
		2712	or cf::cleanup "$path: version mismatch, cannot proceed.";
1997		2713
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key
2003
2004	Returns a single value from the database
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010
2011	=item cf::db_put $family => $key => $value
2012
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023
2024	=cut
2025
2026	our $DB;
2027
2028	{
2029	my $path = cf::localdir . "/database.pst";
2030
2031	sub db_load() {
2032	$DB = stat $path ? Storable::retrieve $path : { };
2033	}	2714	{
		2715	my $faces = $facedata->{faceinfo};
2034		2716
2035	my $pid;	2717	while (my ($face, $info) = each %$faces) {
2036		2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2037	sub db_save() {	2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2038	waitpid $pid, 0 if $pid;	2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2039	if (0 == ($pid = fork)) {	2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2040	$DB->{_meta}{version} = 1;	2722	Coro::cede;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2723	}
2083	);
2084	}
2085		2724
2086	#############################################################################	2725	while (my ($face, $info) = each %$faces) {
2087	# 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	}
2088		2792
2089	sub cfg_load {	2793	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2794	open my $fh, "<:utf8", "$CONFDIR/config"
2091	or return;	2795	or return;
2092		2796
2093	local $/;	2797	local $/;
2094	*CFG = YAML::Syck::Load <$fh>;	2798	*CFG = YAML::Syck::Load <$fh>;
2095		2799
…		…
2109		2813
2110	sub main {	2814	sub main {
2111	# we must not ever block the main coroutine	2815	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2816	local $Coro::idle = sub {
2113	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 {
2114	async { Event::one_event };	2819	Event::one_event;
		2820	})->prio (Coro::PRIO_MAX);
2115	};	2821	};
2116		2822
2117	cfg_load;	2823	cfg_load;
2118	db_load;	2824	db_init;
2119	load_extensions;	2825	load_extensions;
		2826
		2827	$TICK_WATCHER->start;
2120	Event::loop;	2828	Event::loop;
2121	}	2829	}
2122		2830
2123	#############################################################################	2831	#############################################################################
2124	# initialisation	2832	# initialisation and cleanup
2125		2833
		2834	# install some emergency cleanup handlers
		2835	BEGIN {
		2836	for my $signal (qw(INT HUP TERM)) {
		2837	Event->signal (
		2838	reentrant => 0,
		2839	data => WF_AUTOCANCEL,
		2840	signal => $signal,
		2841	prio => 0,
		2842	cb => sub {
		2843	cf::cleanup "SIG$signal";
		2844	},
		2845	);
		2846	}
		2847	}
		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
		2887	sub emergency_save() {
		2888	my $freeze_guard = cf::freeze_mainloop;
		2889
		2890	warn "enter emergency perl save\n";
		2891
		2892	cf::sync_job {
		2893	# use a peculiar iteration method to avoid tripping on perl
		2894	# refcount bugs in for. also avoids problems with players
		2895	# and maps saved/destroyed asynchronously.
		2896	warn "begin emergency player save\n";
		2897	for my $login (keys %cf::PLAYER) {
		2898	my $pl = $cf::PLAYER{$login} or next;
		2899	$pl->valid or next;
		2900	$pl->save;
		2901	}
		2902	warn "end emergency player save\n";
		2903
		2904	warn "begin emergency map save\n";
		2905	for my $path (keys %cf::MAP) {
		2906	my $map = $cf::MAP{$path} or next;
		2907	$map->valid or next;
		2908	$map->save;
		2909	}
		2910	warn "end emergency map save\n";
		2911
		2912	warn "begin emergency database checkpoint\n";
		2913	BDB::db_env_txn_checkpoint $DB_ENV;
		2914	warn "end emergency database checkpoint\n";
		2915	};
		2916
		2917	warn "leave emergency perl save\n";
		2918	}
		2919
		2920	sub post_cleanup {
		2921	my ($make_core) = @_;
		2922
		2923	warn Carp::longmess "post_cleanup backtrace"
		2924	if $make_core;
		2925	}
		2926
2126	sub reload() {	2927	sub do_reload_perl() {
2127	# can/must only be called in main	2928	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2929	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2930	warn "can only reload from main coroutine";
2130	return;	2931	return;
2131	}	2932	}
2132		2933
2133	warn "reloading...";	2934	warn "reloading...";
2134		2935
2135	my $guard = freeze_mainloop;	2936	warn "entering sync_job";
		2937
		2938	cf::sync_job {
		2939	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2940	cf::emergency_save;
		2941	cf::write_runtime; # external watchdog should not bark
2137		2942
2138	eval {	2943	warn "syncing database to disk";
		2944	BDB::db_env_txn_checkpoint $DB_ENV;
		2945
2139	# 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
2140		2947
2141	# cancel all watchers	2948	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2949	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2951	}
2145		2952
		2953	warn "flushing outstanding aio requests";
		2954	for (;;) {
		2955	BDB::flush;
		2956	IO::AIO::flush;
		2957	Coro::cede;
		2958	last unless IO::AIO::nreqs || BDB::nreqs;
		2959	warn "iterate...";
		2960	}
		2961
		2962	++$RELOAD;
		2963
2146	# cancel all extension coros	2964	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2965	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2966	%EXT_CORO = ();
2149		2967
2150	# unload all extensions	2968	warn "removing commands";
2151	for (@exts) {	2969	%COMMAND = ();
		2970
		2971	warn "removing ext/exti commands";
		2972	%EXTCMD = ();
		2973	%EXTICMD = ();
		2974
		2975	warn "unloading/nuking all extensions";
		2976	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2977	warn "... unloading $pkg";
2153	unload_extension $_;	2978
		2979	if (my $cb = $pkg->can ("unload")) {
		2980	eval {
		2981	$cb->($pkg);
		2982	1
		2983	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2984	}
2155		2985
		2986	warn "... nuking $pkg";
		2987	Symbol::delete_package $pkg;
		2988	}
		2989
2156	# unload all modules loaded from $LIBDIR	2990	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2991	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2993
2160	warn "removing <$k>";	2994	warn "... unloading $k";
2161	delete $INC{$k};	2995	delete $INC{$k};
2162		2996
2163	$k =~ s/\.pm$//;	2997	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2998	$k =~ s/\//::/g;
2165		2999
…		…
2168	}	3002	}
2169		3003
2170	Symbol::delete_package $k;	3004	Symbol::delete_package $k;
2171	}	3005	}
2172		3006
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	3007	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	3008	Symbol::delete_package "safe::$_"
2179	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);
2180		3010
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	3011	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	3012	delete $INC{"cf.pm"};
		3013	delete $INC{"cf/pod.pm"};
2186		3014
2187	# don't, removes xs symbols, too,	3015	# don't, removes xs symbols, too,
2188	# and global variables created in xs	3016	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	3017	#Symbol::delete_package __PACKAGE__;
2190		3018
2191	# reload cf.pm	3019	warn "unload completed, starting to reload now";
		3020
2192	warn "reloading cf.pm";	3021	warn "reloading cf.pm";
2193	require cf;	3022	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		3024
2196	# load config and database again	3025	warn "loading config and database again";
2197	cf::cfg_load;	3026	cf::cfg_load;
2198	cf::db_load;
2199		3027
2200	# load extensions
2201	warn "load extensions";	3028	warn "loading extensions";
2202	cf::load_extensions;	3029	cf::load_extensions;
2203		3030
2204	# reattach attachments to objects	3031	warn "reattaching attachments to objects/players";
2205	warn "reattach";	3032	_global_reattach; # objects, sockets
2206	_global_reattach;	3033	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	3034	reattach $_ for values %MAP;
2208	};	3035	warn "reattaching attachments to players";
		3036	reattach $_ for values %PLAYER;
2209		3037
2210	if ($@) {	3038	warn "leaving sync_job";
		3039
		3040	1
		3041	} or do {
2211	warn $@;	3042	warn $@;
2212	warn "error while reloading, exiting.";	3043	warn "error while reloading, exiting.";
2213	exit 1;	3044	exit 1;
2214	}	3045	};
2215		3046
2216	warn "reloaded successfully";	3047	warn "reloaded";
2217	};	3048	};
2218		3049
2219	#############################################################################	3050	our $RELOAD_WATCHER; # used only during reload
2220		3051
2221	unless ($LINK_MAP) {	3052	sub reload_perl() {
2222	$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.
2223		3055
2224	$LINK_MAP->width (41);	3056	$RELOAD_WATCHER ||= Event->timer (
2225	$LINK_MAP->height (41);	3057	reentrant => 0,
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,	3058	after => 0,
		3059	data => WF_AUTOCANCEL,
2234	cb => sub {	3060	cb => sub {
2235	$_[0]->w->cancel;	3061	do_reload_perl;
2236		3062	undef $RELOAD_WATCHER;
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});	3063	},
2255		3064	);
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}	3065	}
2261
2262	register "<global>", __PACKAGE__;
2263		3066
2264	register_command "reload" => sub {	3067	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	3068	my ($who, $arg) = @_;
2266		3069
2267	if ($who->flag (FLAG_WIZ)) {	3070	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");
2269	reload;
2270	$who->message ("end of reload.");	3071	$who->message ("reloading server.");
		3072	async { reload_perl };
2271	}	3073	}
2272	};	3074	};
2273		3075
2274	unshift @INC, $LIBDIR;	3076	unshift @INC, $LIBDIR;
2275		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;
2276	$TICK_WATCHER = Event->timer (	3103	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	3104	reentrant => 0,
		3105	parked => 1,
2278	prio => 0,	3106	prio => 0,
2279	at => $NEXT_TICK || $TICK,	3107	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	3108	data => WF_AUTOCANCEL,
2281	cb => sub {	3109	cb => sub {
		3110	if ($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
2282	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
2283	$RUNTIME += $TICK;	3143	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	3144	$NEXT_TICK += $TICK;
2285		3145
		3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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;
		3165
2286	# 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
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2288		3168
2289	$TICK_WATCHER->at ($NEXT_TICK);	3169	$TICK_WATCHER->at ($NEXT_TICK);
2290	$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
2291	},	3178	},
2292	);	3179	);
2293		3180
		3181	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	3182	BDB::max_poll_time $TICK * 0.1;
2295		3183	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	3184	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	3185	fd => BDB::poll_fileno,
2298	poll => 'r',	3186	poll => 'r',
2299	prio => 5,	3187	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	3188	data => WF_AUTOCANCEL,
2306	after => 0,	3189	cb => \&BDB::poll_cb,
2307	interval => 10,	3190	);
2308	cb => sub {	3191	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	3192
2310	write_runtime	3193	BDB::set_sync_prepare {
2311	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 $@;
2312	})->();	3227	};
2313	},	3228	}
2314	);	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;
2315		3286
2316	END { cf::emergency_save }	3287	END { cf::emergency_save }
2317		3288
2318	1	3289	1
2319		3290

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