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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.295 by root, Wed Jul 4 05:08:15 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, "cfperl: $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	$res = Coro::Storable::thaw $res;
328		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
329	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	574	}
331		575
332	=back	576	=back
333		577
334	=cut	578	=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		579
456	#############################################################################	580	#############################################################################
457		581
458	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
459		583
…		…
461	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
463		587
464	In the following description, CLASS can be any of C<global>, C<object>	588	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	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	590	Crossfire TRT).
467		591
468	=over 4	592	=over 4
469		593
470	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
471		595
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	710	our @CB_MAP = ();
587		711
588	my %attachment;	712	my %attachment;
589		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
590	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
592		722
593	use sort 'stable';	723	use sort 'stable';
594		724
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
629		759
630	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		764
635	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	766	my $pkg = shift @arg;
637		767
638	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
668	}	798	}
669		799
670	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
671	} else {	801	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	803	}
674		804
675	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
676	}	806	}
677		807
…		…
679	if (ref $_[0]) {	809	if (ref $_[0]) {
680	_object_attach @_;	810	_object_attach @_;
681	} else {	811	} else {
682	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
683	}	813	}
		814	_recalc_want;
684	};	815	};
685		816
686	# all those should be optimised	817	# all those should be optimised
687	sub cf::attachable::detach {	818	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
692	reattach ($obj);	823	reattach ($obj);
693	} else {	824	} else {
694	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
695	}	826	}
		827	_recalc_want;
696	};	828	};
697		829
698	sub cf::attachable::attached {	830	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
700		832
…		…
765	# object support	897	# object support
766		898
767	sub reattach {	899	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		904
771	my $registry = $obj->registry;	905	my $registry = $obj->registry;
772		906
773	@$registry = ();	907	@$registry = ();
774		908
…		…
821	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
822		956
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	961	close $fh;
828		962
829	if (@$objs) {	963	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	969	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
837	}	971	}
838	} else {	972	} else {
839	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
871	or return;	1005	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1007	}
874		1008
875	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1011	return ($data, $av);
878	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
879		1019
880	#############################################################################	1020	#############################################################################
881	# command handling &c	1021	# command handling &c
882		1022
883	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1037	}
898		1038
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1040
901	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
902		1046
903	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
904	called.	1048	called.
905		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
906	=cut	1061	=cut
907		1062
908	sub register_extcmd {	1063	sub register_extcmd {
909	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
910		1065
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
915	}	1073	}
916		1074
917	cf::player->attach (	1075	cf::player->attach (
918	on_command => sub {	1076	on_command => sub {
919	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1086	cf::override;
929	},	1087	},
930	on_extcmd => sub {	1088	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
932		1090
933	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1092
935	if (ref $msg) {	1093	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	1097	}
940	}	1098	}
941	} else {	1099	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		1102
945	cf::override;	1103	cf::override;
946	},	1104	},
947	);	1105	);
948		1106
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 {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1026	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1112	next unless -r $path;
1028	eval {	1113
1029	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1030	1	1171	}
1031	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1032	}	1177	};
1033	}	1178	}
1034		1179
1035	#############################################################################	1180	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1181
1038	*cf::mapsupport::on_clean = sub {	1182	=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		1183
1073	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1074		1185
1075	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1076		1187
1077	=cut	1188	=cut
1078		1189
1079	package cf::player;	1190	package cf::player;
1080		1191
		1192	use Coro::AIO;
		1193
1081	=head3 cf::player	1194	=head3 cf::player
1082		1195
1083	=over 4	1196	=over 4
1084		1197
1085	=item cf::player::find $login	1198	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1088		1201
1089	=cut	1202	=cut
1090		1203
1091	sub playerdir($) {	1204	sub playerdir($) {
1092	cf::localdir	1205	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1207	}
1098		1208
1099	sub path($) {	1209	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1211
1102	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1103	}	1213	}
1104		1214
1105	sub find_active($) {	1215	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1110		1220
1111	sub exists($) {	1221	sub exists($) {
1112	my ($login) = @_;	1222	my ($login) = @_;
1113		1223
1114	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1116	}	1226	}
1117		1227
1118	sub find($) {	1228	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1230	my $login = $_[0];
1121		1231
1122	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1123		1233
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
		1242	my $pl = load_pl path $login
		1243	or return;
		1244	$cf::PLAYER{$login} = $pl
		1245	}
1125	};	1246	}
1126	}	1247	}
1127		1248
1128	sub save($) {	1249	sub save($) {
1129	my ($pl) = @_;	1250	my ($pl) = @_;
1130		1251
…		…
1132		1253
1133	my $path = path $pl;	1254	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1255	my $guard = cf::lock_acquire "user_save:$path";
1135		1256
1136	return if $pl->{deny_save};	1257	return if $pl->{deny_save};
		1258
		1259	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1260	$pl->{last_save} = $cf::RUNTIME;
1138		1261
1139	Coro::cede;
1140	$pl->save_pl ($path);	1262	$pl->save_pl ($path);
1141	Coro::cede;	1263	Coro::cede;
1142	}	1264	}
1143		1265
1144	sub new($) {	1266	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1274	$cf::PLAYER{$login} = $self;
1153		1275
1154	$self	1276	$self
1155	}	1277	}
1156		1278
		1279	=item $pl->quit_character
		1280
		1281	Nukes the player without looking back. If logged in, the connection will
		1282	be destroyed. May block for a long time.
		1283
		1284	=cut
		1285
1157	sub quit_character {	1286	sub quit_character {
1158	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1159		1290
1160	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1161	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1162		1293
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1297	$pl->ns->destroy if $pl->ns;
1167		1298
1168	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1301	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1303	$pl->destroy;
1173		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1174	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
		1325	}
		1326
		1327	=item cf::player::list_logins
		1328
		1329	Returns am arrayref of all valid playernames in the system, can take a
		1330	while and may block, so not sync_job-capable, ever.
		1331
		1332	=cut
		1333
		1334	sub list_logins {
		1335	my $dirs = aio_readdir $PLAYERDIR
		1336	or return [];
		1337
		1338	my @logins;
		1339
		1340	for my $login (@$dirs) {
		1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1342	aio_read $fh, 0, 512, my $buf, 0 or next;
		1343	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1344
		1345	utf8::decode $login;
		1346	push @logins, $login;
1175	};	1347	}
1176	}
1177		1348
		1349	\@logins
		1350	}
		1351
		1352	=item $player->maps
		1353
		1354	Returns an arrayref of map paths that are private for this
		1355	player. May block.
		1356
		1357	=cut
		1358
		1359	sub maps($) {
		1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
		1363
		1364	my $files = aio_readdir playerdir $pl
		1365	or return;
		1366
		1367	my @paths;
		1368
		1369	for (@$files) {
		1370	utf8::decode $_;
		1371	next if /\.(?:pl|pst)$/;
		1372	next unless /^$PATH_SEP/o;
		1373
		1374	push @paths, cf::map::normalise "~$pl/$_";
		1375	}
		1376
		1377	\@paths
		1378	}
		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1179		1431
1180	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1181		1433
1182	=cut	1434	=cut
1183		1435
1184	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1185	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1186		1438
1187	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1188		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1189	$self->send ("ext " . cf::to_json \%msg);
1190	}	1441	}
1191		1442
1192	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1193		1483
1194	=back	1484	=back
1195
1196		1485
1197	=head3 cf::map	1486	=head3 cf::map
1198		1487
1199	=over 4	1488	=over 4
1200		1489
…		…
1203	package cf::map;	1492	package cf::map;
1204		1493
1205	use Fcntl;	1494	use Fcntl;
1206	use Coro::AIO;	1495	use Coro::AIO;
1207		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1208	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1210		1503
1211	sub generate_random_map {	1504	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1507	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(cf::region::find $rmp->{region})	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
		1519	)
		1520	}
		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
		1530	sub register {
		1531	my (undef, $regex, $prio) = @_;
		1532	my $pkg = caller;
		1533
		1534	no strict;
		1535	push @{"$pkg\::ISA"}, __PACKAGE__;
		1536
		1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1538	}
		1539
		1540	# also paths starting with '/'
		1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1542
		1543	sub thawer_merge {
		1544	my ($self, $merge) = @_;
		1545
		1546	# we have to keep some variables in memory intact
		1547	local $self->{path};
		1548	local $self->{load_path};
		1549
		1550	$self->SUPER::thawer_merge ($merge);
		1551	}
		1552
		1553	sub normalise {
		1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
		1559
		1560	# map plan:
		1561	#
		1562	# /! non-realised random map exit (special hack!)
		1563	# {... are special paths that are not being touched
		1564	# ?xxx/... are special absolute paths
		1565	# ?random/... random maps
		1566	# /... normal maps
		1567	# ~user/... per-player map of a specific user
		1568
		1569	$path =~ s/$PATH_SEP/\//go;
		1570
		1571	# treat it as relative path if it starts with
		1572	# something that looks reasonable
		1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1575
		1576	$base =~ s{[^/]+/?$}{};
		1577	$path = "$base/$path";
		1578	}
		1579
		1580	for ($path) {
		1581	redo if s{//}{/};
		1582	redo if s{/\.?/}{/};
		1583	redo if s{/[^/]+/\.\./}{/};
		1584	}
		1585
		1586	$path
		1587	}
		1588
		1589	sub new_from_path {
		1590	my (undef, $path, $base) = @_;
		1591
		1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1593
		1594	$path = normalise $path, $base;
		1595
		1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1598	my $self = bless cf::map::new, $pkg;
		1599	$self->{path} = $path; $self->path ($path);
		1600	$self->init; # pass $1 etc.
		1601	return $self;
		1602	}
		1603	}
		1604
		1605	Carp::carp "unable to resolve path '$path' (base '$base').";
		1606	()
		1607	}
		1608
		1609	sub init {
		1610	my ($self) = @_;
		1611
		1612	$self
		1613	}
		1614
		1615	sub as_string {
		1616	my ($self) = @_;
		1617
		1618	"$self->{path}"
		1619	}
		1620
		1621	# the displayed name, this is a one way mapping
		1622	sub visible_name {
		1623	&as_string
		1624	}
		1625
		1626	# the original (read-only) location
		1627	sub load_path {
		1628	my ($self) = @_;
		1629
		1630	"$MAPDIR/$self->{path}.map"
		1631	}
		1632
		1633	# the temporary/swap location
		1634	sub save_path {
		1635	my ($self) = @_;
		1636
		1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1638	"$TMPDIR/$path.map"
		1639	}
		1640
		1641	# the unique path, undef == no special unique path
		1642	sub uniq_path {
		1643	my ($self) = @_;
		1644
		1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1646	"$UNIQUEDIR/$path"
1228	}	1647	}
1229		1648
1230	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1231	# all maps in C++...	1650	# all maps in C++...
1232	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1234		1653
1235	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1237	}	1656	}
1238		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
		1666	sub unlink_save {
		1667	my ($self) = @_;
		1668
		1669	utf8::encode (my $save = $self->save_path);
		1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1671	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1672	}
		1673
1239	sub try_load_header($) {	1674	sub load_header_from($) {
1240	my ($path) = @_;	1675	my ($self, $path) = @_;
1241		1676
1242	utf8::encode $path;	1677	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1244	or return;	1682	or return;
1245		1683
1246	my $map = cf::map::new	1684	$self->{load_path} = $path;
		1685
		1686	1
		1687	}
		1688
		1689	sub load_header_orig {
		1690	my ($self) = @_;
		1691
		1692	$self->load_header_from ($self->load_path)
		1693	}
		1694
		1695	sub load_header_temp {
		1696	my ($self) = @_;
		1697
		1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
		1718	}
		1719
		1720	sub load_header {
		1721	my ($self) = @_;
		1722
		1723	if ($self->load_header_temp) {
		1724	$self->prepare_temp;
		1725	} else {
		1726	$self->load_header_orig
1247	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1248		1730
1249	# for better error messages only, will be overwritten	1731	$self->{deny_reset} = 1
1250	$map->path ($path);	1732	if $self->no_reset;
1251		1733
1252	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1253	or return;	1735	unless $self->default_region;
1254		1736
1255	$map->{load_path} = $path;	1737	1
1256
1257	$map
1258	}	1738	}
1259		1739
1260	sub find;	1740	sub find;
1261	sub find {	1741	sub find {
1262	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1263		1743
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1745
1269	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1270		1747
1271	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1273		1750	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1751	or return;
1293		1752
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1306		1754
1307	Coro::cede;	1755	$map->load_header
		1756	or return;
1308		1757
1309	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1759	# doing this can freeze the server in a sync job, obviously
		1760	#$cf::WAIT_FOR_TICK->wait;
1310	$map->reset;	1761	$map->reset;
1311	undef $guard;	1762	undef $guard;
1312	$map = find $path	1763	return find $path;
1313	or return;
1314	}	1764	}
1315		1765
1316	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1317	}	1767	}
1318	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1319		1772
1320	sub load {	1773	sub load {
1321	my ($self) = @_;	1774	my ($self) = @_;
1322		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1323	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1325		1782
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1784
1328	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1329		1786
1330	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1331	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1793	or return;
1333		1794
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1796	if delete $self->{load_original};
1336		1797
1337	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1799	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1801	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1342	}	1803	}
1343	}	1804	}
1344		1805
1345	Coro::cede;	1806	Coro::cede;
1346
1347	# now do the right thing for maps	1807	# now do the right thing for maps
1348	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1349
1350	if ($self->{path}->is_style_map) {
1351	$self->{deny_save} = 1;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;
1357	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1810	unless $self->difficulty;
		1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1360	$self->activate;	1820	$self->activate;
1361	}	1821	}
1362		1822
1363	Coro::cede;
1364
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
		1827	}
		1828
		1829	sub customise_for {
		1830	my ($self, $ob) = @_;
		1831
		1832	return find "~" . $ob->name . "/" . $self->{path}
		1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
		1837
		1838	$self
		1839	}
		1840
		1841	# find and load all maps in the 3x3 area around a map
		1842	sub load_diag {
		1843	my ($map) = @_;
		1844
		1845	my @diag; # diagonal neighbours
		1846
		1847	for (0 .. 3) {
		1848	my $neigh = $map->tile_path ($_)
		1849	or next;
		1850	$neigh = find $neigh, $map
		1851	or next;
		1852	$neigh->load;
		1853
		1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1856	}
		1857
		1858	for (@diag) {
		1859	my $neigh = find @$_
		1860	or next;
		1861	$neigh->load;
		1862	}
1366	}	1863	}
1367		1864
1368	sub find_sync {	1865	sub find_sync {
1369	my ($path, $origin) = @_;	1866	my ($path, $origin) = @_;
1370		1867
1371	cf::sync_job { cf::map::find $path, $origin }	1868	cf::sync_job { find $path, $origin }
1372	}	1869	}
1373		1870
1374	sub do_load_sync {	1871	sub do_load_sync {
1375	my ($map) = @_;	1872	my ($map) = @_;
1376		1873
1377	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1378	}	1875	}
1379		1876
		1877	our %MAP_PREFETCH;
		1878	our $MAP_PREFETCHER = undef;
		1879
		1880	sub find_async {
		1881	my ($path, $origin) = @_;
		1882
		1883	$path = normalise $path, $origin && $origin->{path};
		1884
		1885	if (my $map = $cf::MAP{$path}) {
		1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1887	}
		1888
		1889	undef $MAP_PREFETCH{$path};
		1890	$MAP_PREFETCHER ||= cf::async {
		1891	while (%MAP_PREFETCH) {
		1892	for my $path (keys %MAP_PREFETCH) {
		1893	my $map = find $path
		1894	or next;
		1895	$map->load;
		1896
		1897	delete $MAP_PREFETCH{$path};
		1898	}
		1899	}
		1900	undef $MAP_PREFETCHER;
		1901	};
		1902	$MAP_PREFETCHER->prio (6);
		1903
		1904	()
		1905	}
		1906
1380	sub save {	1907	sub save {
1381	my ($self) = @_;	1908	my ($self) = @_;
1382		1909
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1911
1385	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1386		1913
1387	return unless $self->dirty;	1914	return unless $self->dirty;
1388		1915
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1918
1392	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1393		1920
1394	return if $self->{deny_save};	1921	return if $self->{deny_save};
1395		1922
…		…
1398	cf::async {	1925	cf::async {
1399	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1400	};	1927	};
1401		1928
1402	if ($uniq) {	1929	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1932	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1934	}
1408	}	1935	}
1409		1936
1410	sub swap_out {	1937	sub swap_out {
1411	my ($self) = @_;	1938	my ($self) = @_;
…		…
1425		1952
1426	sub reset_at {	1953	sub reset_at {
1427	my ($self) = @_;	1954	my ($self) = @_;
1428		1955
1429	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};
1431	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1432		1958
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1961
…		…
1440	my ($self) = @_;	1966	my ($self) = @_;
1441		1967
1442	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1443	}	1969	}
1444		1970
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1971	sub reset {
1467	my ($self) = @_;	1972	my ($self) = @_;
1468		1973
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1975
1471	return if $self->players;	1976	return if $self->players;
1472	return if $self->{path}{user_rel};#d#
1473		1977
1474	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1475		1989
1476	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
		1991
		1992	$self->clear;
1477		1993
1478	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1479		1995
1480	$self->unlink_save;	1996	$self->unlink_save;
1481	$self->destroy;	1997	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1485		2001
1486	sub nuke {	2002	sub nuke {
1487	my ($self) = @_;	2003	my ($self) = @_;
1488		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1492	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1493	}	2018	}
1494		2019
1495	sub customise_for {	2020	=item $maps = cf::map::tmp_maps
1496	my ($map, $ob) = @_;
1497		2021
1498	if ($map->per_player) {	2022	Returns an arrayref with all map paths of currently instantiated and saved
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
1500	}	2028	[
1501		2029	map {
1502	$map	2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
1503	}	2036	}
1504		2037
1505	sub emergency_save {	2038	=item $maps = cf::map::random_maps
1506	my $freeze_guard = cf::freeze_mainloop;
1507		2039
1508	warn "enter emergency perl save\n";	2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
1509		2042
1510	cf::sync_job {	2043	=cut
1511	warn "begin emergency player save\n";
1512	$_->save for values %cf::PLAYER;
1513	warn "end emergency player save\n";
1514		2044
1515	warn "begin emergency map save\n";	2045	sub random_maps() {
1516	$_->save for values %cf::MAP;	2046	[
1517	warn "end emergency map save\n";	2047	map {
1518	};	2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
1519		2055
1520	warn "leave emergency perl save\n";	2056	=item cf::map::unique_maps
		2057
		2058	Returns an arrayref of paths of all shared maps that have
		2059	instantiated unique items. May block.
		2060
		2061	=cut
		2062
		2063	sub unique_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $UNIQUEDIR or [] }
		2071	]
1521	}	2072	}
1522		2073
1523	package cf;	2074	package cf;
1524		2075
1525	=back	2076	=back
1526		2077
		2078	=head3 cf::object
		2079
		2080	=cut
		2081
		2082	package cf::object;
		2083
		2084	=over 4
		2085
		2086	=item $ob->inv_recursive
		2087
		2088	Returns the inventory of the object _and_ their inventories, recursively.
		2089
		2090	=cut
		2091
		2092	sub inv_recursive_;
		2093	sub inv_recursive_ {
		2094	map { $_, inv_recursive_ $_->inv } @_
		2095	}
		2096
		2097	sub inv_recursive {
		2098	inv_recursive_ inv $_[0]
		2099	}
		2100
		2101	package cf;
		2102
		2103	=back
1527		2104
1528	=head3 cf::object::player	2105	=head3 cf::object::player
1529		2106
1530	=over 4	2107	=over 4
1531		2108
…		…
1545		2122
1546	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1547		2124
1548	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1549	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1550	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1551	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1552	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1553	}	2144	}
1554	}	2145	}
1555		2146
1556	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1557		2148
…		…
1571		2162
1572	=item $player_object->enter_link	2163	=item $player_object->enter_link
1573		2164
1574	Freezes the player and moves him/her to a special map (C<{link}>).	2165	Freezes the player and moves him/her to a special map (C<{link}>).
1575		2166
1576	The player should be reaosnably safe there for short amounts of time. You	2167	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1578		2169
		2170	Will never block.
		2171
1579	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1580		2173
1581	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	2177	fails, to the emergency map position.
1585		2178
1586	Might block.	2179	Might block.
1587		2180
1588	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($LINK_MAP) {
		2185	$LINK_MAP = cf::map::find "{link}"
		2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2187	$LINK_MAP->load;
		2188	}
		2189
		2190	$LINK_MAP
		2191	}
1589		2192
1590	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1591	my ($self) = @_;	2194	my ($self) = @_;
1592		2195
1593	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1594		2197
1595	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		2199
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1599		2202
1600	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	2204	}
1602		2205
1603	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1605		2210
1606	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1607		2212
1608	unless ($map) {	2213	unless ($map) {
1609	# restore original map position	2214	# restore original map position
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	2228	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	2229	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	2230	if $x <=0 && $y <= 0;
1626		2231
1627	$map->load;	2232	$map->load;
		2233	$map->load_diag;
1628		2234
1629	return unless $self->contr->active;	2235	return unless $self->contr->active;
1630	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1632	}	2240	}
1633		2241
1634	cf::player->attach (
1635	on_logout => sub {
1636	my ($pl) = @_;
1637
1638	# abort map switching before logout
1639	if ($pl->ob->{_link_pos}) {
1640	cf::sync_job {
1641	$pl->ob->leave_link
1642	};
1643	}
1644	},
1645	on_login => sub {
1646	my ($pl) = @_;
1647
1648	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;
1652	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);
1659	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;
1661	})->prio (2);
1662	}
1663	},
1664	);
1665
1666	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1667		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1668	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1669		2252
1670	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1671	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
		2255
		2256	# do generation counting so two concurrent goto's will be executed in-order
		2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1672		2258
1673	$self->enter_link;	2259	$self->enter_link;
1674		2260
1675	(async {	2261	(async {
1676	$path = new cf::path $path;	2262	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1679	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1680		2267	$map = $check->($map) if $check && $map;
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1685		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1687	})->prio (1);	2284	})->prio (1);
1688	}	2285	}
1689		2286
1690	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1691		2288
…		…
1693		2290
1694	sub parse_random_map_params {	2291	sub parse_random_map_params {
1695	my ($spec) = @_;	2292	my ($spec) = @_;
1696		2293
1697	my $rmp = { # defaults	2294	my $rmp = { # defaults
1698	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1700	};	2299	};
1701		2300
1702	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1704		2303
…		…
1708	$rmp	2307	$rmp
1709	}	2308	}
1710		2309
1711	sub prepare_random_map {	2310	sub prepare_random_map {
1712	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		2314
1714	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	2317	# that depends on the exit object
1717		2318
1718	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1719		2320
1720	if ($exit->map) {	2321	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1725	}	2326	}
1726		2327
1727	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1728		2329
1729	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1731		2333
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
		2336	undef $fh;
		2337	aio_rename "$meta~", $meta;
1734		2338
1735	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2340	$exit->msg (undef);
1737	}	2341	}
1738	}	2342	}
1739		2343
1740	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1742		2346
1743	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
1744		2359
1745	$self->enter_link;	2360	$self->enter_link;
1746		2361
1747	(async {	2362	(async {
1748	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2364	unless (eval {
1750	prepare_random_map $exit	2365	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2366
1756	1;	2367	1;
1757	}) {	2368	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2371	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2373
1763	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2375	$self->leave_link;
1765	}	2376	}
1766	})->prio (1);	2377	})->prio (1);
…		…
1779		2390
1780	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1782		2393
1783	utf8::encode $text;	2394	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2396	}
1786		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1787		2450
1788	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1789		2452
1790	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		2456
1794	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	2458	become reliable at some point in the future.
1796		2459
1797	=cut	2460	=cut
1798		2461
1799	sub cf::client::query {	2462	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	2471	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		2473
1811	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
1813	}	2478	}
1814		2479
1815	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
1816	on_reply => sub {	2486	on_reply => sub {
1817	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
1818		2488
1819	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
1820	# get handled first	2490	# get handled first
1821	my $queue = delete $ns->{query_queue}	2491	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2492	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2493
1824	(shift @$queue)->[1]->($msg);	2494	(shift @$queue)->[1]->($msg);
		2495	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2496
1826	push @{ $ns->{query_queue} }, @$queue;	2497	push @{ $ns->{query_queue} }, @$queue;
1827		2498
1828	if (@{ $ns->{query_queue} } == @$queue) {	2499	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2500	if (@$queue) {
…		…
1831	} else {	2502	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	2504	}
1834	}	2505	}
1835	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
1836	);	2525	);
1837		2526
1838	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
1839		2528
1840	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
1887		2576
1888	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
1889		2578
1890	=pod	2579	=pod
1891		2580
1892	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
1893		2582
1894	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2584	cf::object::player player
1896	cf::player peaceful	2585	cf::player peaceful
1897	cf::map trigger	2586	cf::map trigger
…		…
1978	=back	2667	=back
1979		2668
1980	=cut	2669	=cut
1981		2670
1982	#############################################################################	2671	#############################################################################
		2672	# the server's init and main functions
1983		2673
1984	=head2 EXTENSION DATABASE SUPPORT	2674	sub load_facedata($) {
		2675	my ($path) = @_;
1985		2676
1986	Crossfire maintains a very simple database for extension use. It can	2677	warn "loading facedata from $path\n";
1987	currently store anything that can be serialised using Storable, which
1988	excludes objects.
1989		2678
1990	The parameter C<$family> should best start with the name of the extension	2679	my $facedata;
1991	using it, it should be unique.	2680	0 < aio_load $path, $facedata
		2681	or die "$path: $!";
1992		2682
1993	=over 4	2683	$facedata = Coro::Storable::thaw $facedata;
1994		2684
1995	=item $hashref = cf::db_get $family	2685	$facedata->{version} == 2
		2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
1996		2687
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key
2002
2003	Returns a single value from the database
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}	2688	{
		2689	my $faces = $facedata->{faceinfo};
2033		2690
2034	my $pid;	2691	while (my ($face, $info) = each %$faces) {
2035		2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2036	sub db_save() {	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2037	waitpid $pid, 0 if $pid;	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2038	if (0 == ($pid = fork)) {	2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2039	$DB->{_meta}{version} = 1;	2696	Coro::cede;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});
2056
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {
2063	@_ >= 2
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067
2068	sub db_put($$;$) {
2069	if (@_ >= 3) {
2070	$DB->{$_[0]}{$_[1]} = $_[2];
2071	} else {
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076
2077	cf::global->attach (
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	2697	}
2082	);
2083	}
2084		2698
2085	#############################################################################	2699	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	2700	next unless $info->{smooth};
		2701	my $idx = cf::face::find $face
		2702	or next;
		2703	if (my $smooth = cf::face::find $info->{smooth}) {
		2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2705	} else {
		2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2707	}
		2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
		2721	}
		2722
		2723	1
		2724	}
		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
		2751	sub reload_resources {
		2752	warn "reloading resource files...\n";
		2753
		2754	reload_regions;
		2755	reload_facedata;
		2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
		2761	}
		2762
		2763	sub init {
		2764	reload_resources;
		2765	}
2087		2766
2088	sub cfg_load {	2767	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	2769	or return;
2091		2770
2092	local $/;	2771	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2094		2773
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2778
2100	if (exists $CFG{mlockall}) {	2779	if (exists $CFG{mlockall}) {
2101	eval {	2780	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2781	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2782	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2783	};
2105	warn $@ if $@;	2784	warn $@ if $@;
2106	}	2785	}
2107	}	2786	}
2108		2787
2109	sub main {	2788	sub main {
2110	# we must not ever block the main coroutine	2789	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2790	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2792	(async {
2113	async { Event::one_event };	2793	Event::one_event;
		2794	})->prio (Coro::PRIO_MAX);
2114	};	2795	};
2115		2796
2116	cfg_load;	2797	cfg_load;
2117	db_load;	2798	db_init;
2118	load_extensions;	2799	load_extensions;
		2800
		2801	$TICK_WATCHER->start;
2119	Event::loop;	2802	Event::loop;
2120	}	2803	}
2121		2804
2122	#############################################################################	2805	#############################################################################
2123	# initialisation	2806	# initialisation and cleanup
2124		2807
		2808	# install some emergency cleanup handlers
		2809	BEGIN {
		2810	for my $signal (qw(INT HUP TERM)) {
		2811	Event->signal (
		2812	reentrant => 0,
		2813	data => WF_AUTOCANCEL,
		2814	signal => $signal,
		2815	prio => 0,
		2816	cb => sub {
		2817	cf::cleanup "SIG$signal";
		2818	},
		2819	);
		2820	}
		2821	}
		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
		2861	sub emergency_save() {
		2862	my $freeze_guard = cf::freeze_mainloop;
		2863
		2864	warn "enter emergency perl save\n";
		2865
		2866	cf::sync_job {
		2867	# use a peculiar iteration method to avoid tripping on perl
		2868	# refcount bugs in for. also avoids problems with players
		2869	# and maps saved/destroyed asynchronously.
		2870	warn "begin emergency player save\n";
		2871	for my $login (keys %cf::PLAYER) {
		2872	my $pl = $cf::PLAYER{$login} or next;
		2873	$pl->valid or next;
		2874	$pl->save;
		2875	}
		2876	warn "end emergency player save\n";
		2877
		2878	warn "begin emergency map save\n";
		2879	for my $path (keys %cf::MAP) {
		2880	my $map = $cf::MAP{$path} or next;
		2881	$map->valid or next;
		2882	$map->save;
		2883	}
		2884	warn "end emergency map save\n";
		2885
		2886	warn "begin emergency database checkpoint\n";
		2887	BDB::db_env_txn_checkpoint $DB_ENV;
		2888	warn "end emergency database checkpoint\n";
		2889	};
		2890
		2891	warn "leave emergency perl save\n";
		2892	}
		2893
		2894	sub post_cleanup {
		2895	my ($make_core) = @_;
		2896
		2897	warn Carp::longmess "post_cleanup backtrace"
		2898	if $make_core;
		2899	}
		2900
2125	sub reload() {	2901	sub do_reload_perl() {
2126	# can/must only be called in main	2902	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2904	warn "can only reload from main coroutine";
2129	return;	2905	return;
2130	}	2906	}
2131		2907
2132	warn "reloading...";	2908	warn "reloading...";
2133		2909
2134	my $guard = freeze_mainloop;	2910	warn "entering sync_job";
		2911
		2912	cf::sync_job {
		2913	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2914	cf::emergency_save;
		2915	cf::write_runtime; # external watchdog should not bark
2136		2916
2137	eval {	2917	warn "syncing database to disk";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919
2138	# if anything goes wrong in here, we should simply crash as we already saved	2920	# if anything goes wrong in here, we should simply crash as we already saved
2139		2921
2140	# cancel all watchers	2922	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2923	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2925	}
2144		2926
		2927	warn "flushing outstanding aio requests";
		2928	for (;;) {
		2929	BDB::flush;
		2930	IO::AIO::flush;
		2931	Coro::cede;
		2932	last unless IO::AIO::nreqs || BDB::nreqs;
		2933	warn "iterate...";
		2934	}
		2935
		2936	++$RELOAD;
		2937
2145	# cancel all extension coros	2938	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2939	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2940	%EXT_CORO = ();
2148		2941
2149	# unload all extensions	2942	warn "removing commands";
2150	for (@exts) {	2943	%COMMAND = ();
		2944
		2945	warn "removing ext/exti commands";
		2946	%EXTCMD = ();
		2947	%EXTICMD = ();
		2948
		2949	warn "unloading/nuking all extensions";
		2950	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2951	warn "... unloading $pkg";
2152	unload_extension $_;	2952
		2953	if (my $cb = $pkg->can ("unload")) {
		2954	eval {
		2955	$cb->($pkg);
		2956	1
		2957	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2958	}
2154		2959
		2960	warn "... nuking $pkg";
		2961	Symbol::delete_package $pkg;
		2962	}
		2963
2155	# unload all modules loaded from $LIBDIR	2964	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2965	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2967
2159	warn "removing <$k>";	2968	warn "... unloading $k";
2160	delete $INC{$k};	2969	delete $INC{$k};
2161		2970
2162	$k =~ s/\.pm$//;	2971	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2972	$k =~ s/\//::/g;
2164		2973
…		…
2167	}	2976	}
2168		2977
2169	Symbol::delete_package $k;	2978	Symbol::delete_package $k;
2170	}	2979	}
2171		2980
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2981	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2984
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2985	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2185		2988
2186	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2990	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2189		2992
2190	# reload cf.pm	2993	warn "unload completed, starting to reload now";
		2994
2191	warn "reloading cf.pm";	2995	warn "reloading cf.pm";
2192	require cf;	2996	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2998
2195	# load config and database again	2999	warn "loading config and database again";
2196	cf::cfg_load;	3000	cf::cfg_load;
2197	cf::db_load;
2198		3001
2199	# load extensions
2200	warn "load extensions";	3002	warn "loading extensions";
2201	cf::load_extensions;	3003	cf::load_extensions;
2202		3004
2203	# reattach attachments to objects	3005	warn "reattaching attachments to objects/players";
2204	warn "reattach";	3006	_global_reattach; # objects, sockets
2205	_global_reattach;	3007	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
2207	};	3009	warn "reattaching attachments to players";
		3010	reattach $_ for values %PLAYER;
2208		3011
2209	if ($@) {	3012	warn "leaving sync_job";
		3013
		3014	1
		3015	} or do {
2210	warn $@;	3016	warn $@;
2211	warn "error while reloading, exiting.";	3017	warn "error while reloading, exiting.";
2212	exit 1;	3018	exit 1;
2213	}	3019	};
2214		3020
2215	warn "reloaded successfully";	3021	warn "reloaded";
2216	};	3022	};
2217		3023
2218	#############################################################################	3024	our $RELOAD_WATCHER; # used only during reload
2219		3025
2220	unless ($LINK_MAP) {	3026	sub reload_perl() {
2221	$LINK_MAP = cf::map::new;	3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
2222		3029
2223	$LINK_MAP->width (41);	3030	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	3031	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	3032	after => 0,
		3033	data => WF_AUTOCANCEL,
2233	cb => sub {	3034	cb => sub {
2234	$_[0]->w->cancel;	3035	do_reload_perl;
2235		3036	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	3037	},
2254		3038	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	3039	}
2260
2261	register "<global>", __PACKAGE__;
2262		3040
2263	register_command "reload" => sub {	3041	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2265		3043
2266	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	3045	$who->message ("reloading server.");
		3046	async { reload_perl };
2270	}	3047	}
2271	};	3048	};
2272		3049
2273	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2274		3051
		3052	my $bug_warning = 0;
		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2275	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	3078	reentrant => 0,
		3079	parked => 1,
2277	prio => 0,	3080	prio => 0,
2278	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	3082	data => WF_AUTOCANCEL,
2280	cb => sub {	3083	cb => sub {
		3084	if ($Coro::current != $Coro::main) {
		3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3086	unless ++$bug_warning > 10;
		3087	return;
		3088	}
		3089
		3090	$NOW = $tick_start = Event::time;
		3091
2281	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2282	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2284		3119
		3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3122	Coro::async_pool {
		3123	write_runtime
		3124	or warn "ERROR: unable to write runtime file: $!";
		3125	};
		3126	}
		3127
		3128	# my $AFTER = Event::time;
		3129	# warn $AFTER - $NOW;#d#
		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
		3139
2285	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2287		3142
2288	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2290	},	3152	},
2291	);	3153	);
2292		3154
		3155	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	3156	BDB::max_poll_time $TICK * 0.1;
2294		3157	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	3158	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	3159	fd => BDB::poll_fileno,
2297	poll => 'r',	3160	poll => 'r',
2298	prio => 5,	3161	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	3162	data => WF_AUTOCANCEL,
2305	after => 0,	3163	cb => \&BDB::poll_cb,
2306	interval => 10,	3164	);
2307	cb => sub {	3165	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	3166
2309	write_runtime	3167	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	3168	my $status;
		3169	my $current = $Coro::current;
		3170	(
		3171	sub {
		3172	$status = $!;
		3173	$current->ready; undef $current;
		3174	},
		3175	sub {
		3176	Coro::schedule while defined $current;
		3177	$! = $status;
		3178	},
		3179	)
		3180	};
		3181
		3182	unless ($DB_ENV) {
		3183	$DB_ENV = BDB::db_env_create;
		3184
		3185	cf::sync_job {
		3186	eval {
		3187	BDB::db_env_open
		3188	$DB_ENV,
		3189	$BDBDIR,
		3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3192	0666;
		3193
		3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3195
		3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3197	$DB_ENV->set_lk_detect;
		3198	};
		3199
		3200	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	3201	};
2312	},	3202	}
2313	);	3203	}
		3204
		3205	{
		3206	IO::AIO::min_parallel 8;
		3207
		3208	undef $Coro::AIO::WATCHER;
		3209	IO::AIO::max_poll_time $TICK * 0.1;
		3210	$AIO_POLL_WATCHER = Event->io (
		3211	reentrant => 0,
		3212	data => WF_AUTOCANCEL,
		3213	fd => IO::AIO::poll_fileno,
		3214	poll => 'r',
		3215	prio => 6,
		3216	cb => \&IO::AIO::poll_cb,
		3217	);
		3218	}
		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
2314		3260
2315	END { cf::emergency_save }	3261	END { cf::emergency_save }
2316		3262
2317	1	3263	1
2318		3264

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