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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.293 by root, Tue Jul 3 05:14:15 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, $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
…		…
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};
1137		1258
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1259	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1260	$pl->{last_save} = $cf::RUNTIME;
1140		1261
1141	$pl->save_pl ($path);	1262	$pl->save_pl ($path);
1142	Coro::cede;	1263	Coro::cede;
1143	}	1264	}
…		…
1153	$cf::PLAYER{$login} = $self;	1274	$cf::PLAYER{$login} = $self;
1154		1275
1155	$self	1276	$self
1156	}	1277	}
1157		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
1158	sub quit_character {	1286	sub quit_character {
1159	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1160		1290
1161	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1162	$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
1163		1293
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1297	$pl->ns->destroy if $pl->ns;
1168		1298
1169	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1301	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1303	$pl->destroy;
1174		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1175	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;
1176	};	1347	}
1177	}
1178		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	1 while s/\s*\n\s*\n\s*/\n/;
		1418
		1419	s/^\s+//;
		1420	s/\s+$//;
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1180		1431
1181	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1182		1433
1183	=cut	1434	=cut
1184		1435
1185	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1186	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1187		1438
1188	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1189		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1441	}
1192		1442
1193	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		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	}
1194		1483
1195	=back	1484	=back
1196
1197		1485
1198	=head3 cf::map	1486	=head3 cf::map
1199		1487
1200	=over 4	1488	=over 4
1201		1489
…		…
1204	package cf::map;	1492	package cf::map;
1205		1493
1206	use Fcntl;	1494	use Fcntl;
1207	use Coro::AIO;	1495	use Coro::AIO;
1208		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1209	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1211		1503
1212	sub generate_random_map {	1504	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1507	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$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},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(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"
1229	}	1647	}
1230		1648
1231	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1232	# all maps in C++...	1650	# all maps in C++...
1233	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1235		1653
1236	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1238	}	1656	}
1239		1657
		1658	sub decay_objects {
		1659	my ($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
1240	sub try_load_header($) {	1674	sub load_header_from($) {
1241	my ($path) = @_;	1675	my ($self, $path) = @_;
1242		1676
1243	utf8::encode $path;	1677	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1245	or return;	1682	or return;
1246		1683
1247	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
1248	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1249		1730
1250	# for better error messages only, will be overwritten	1731	$self->{deny_reset} = 1
1251	$map->path ($path);	1732	if $self->no_reset;
1252		1733
1253	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1254	or return;	1735	unless $self->default_region;
1255		1736
1256	$map->{load_path} = $path;	1737	1
1257
1258	$map
1259	}	1738	}
1260		1739
1261	sub find;	1740	sub find;
1262	sub find {	1741	sub find {
1263	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1264		1743
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1745
1270	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1271		1747
1272	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1274		1750	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1751	or return;
1294		1752
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1307		1754
1308	Coro::cede;	1755	$map->load_header
		1756	or return;
1309		1757
1310	if ($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;
1311	$map->reset;	1761	$map->reset;
1312	undef $guard;	1762	undef $guard;
1313	$map = find $path	1763	return find $path;
1314	or return;
1315	}	1764	}
1316		1765
1317	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1318	}	1767	}
1319	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1320		1772
1321	sub load {	1773	sub load {
1322	my ($self) = @_;	1774	my ($self) = @_;
1323		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1324	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1326		1782
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1784
1329	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1330		1786
1331	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1332	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1793	or return;
1334		1794
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1796	if delete $self->{load_original};
1337		1797
1338	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1799	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1801	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1343	}	1803	}
1344	}	1804	}
1345		1805
1346	Coro::cede;	1806	Coro::cede;
1347
1348	# now do the right thing for maps	1807	# now do the right thing for maps
1349	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1360	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;
1361	$self->activate;	1820	$self->activate;
1362	}	1821	}
1363		1822
1364	Coro::cede;
1365
1366	$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	$neigh->load;
		1862	}
1367	}	1863	}
1368		1864
1369	sub find_sync {	1865	sub find_sync {
1370	my ($path, $origin) = @_;	1866	my ($path, $origin) = @_;
1371		1867
1372	cf::sync_job { cf::map::find $path, $origin }	1868	cf::sync_job { find $path, $origin }
1373	}	1869	}
1374		1870
1375	sub do_load_sync {	1871	sub do_load_sync {
1376	my ($map) = @_;	1872	my ($map) = @_;
1377		1873
1378	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1379	}	1875	}
1380		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	$MAP_PREFETCHER->prio (6);
		1903
		1904	()
		1905	}
		1906
1381	sub save {	1907	sub save {
1382	my ($self) = @_;	1908	my ($self) = @_;
1383		1909
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1911
1386	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1387		1913
1388	return unless $self->dirty;	1914	return unless $self->dirty;
1389		1915
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1918
1393	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1394		1920
1395	return if $self->{deny_save};	1921	return if $self->{deny_save};
1396		1922
…		…
1399	cf::async {	1925	cf::async {
1400	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1401	};	1927	};
1402		1928
1403	if ($uniq) {	1929	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1932	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1934	}
1409	}	1935	}
1410		1936
1411	sub swap_out {	1937	sub swap_out {
1412	my ($self) = @_;	1938	my ($self) = @_;
…		…
1426		1952
1427	sub reset_at {	1953	sub reset_at {
1428	my ($self) = @_;	1954	my ($self) = @_;
1429		1955
1430	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1433		1958
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1961
…		…
1441	my ($self) = @_;	1966	my ($self) = @_;
1442		1967
1443	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1444	}	1969	}
1445		1970
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1971	sub reset {
1468	my ($self) = @_;	1972	my ($self) = @_;
1469		1973
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1975
1472	return if $self->players;	1976	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		1977
1475	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	}
1476		1989
1477	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
		1991
		1992	$self->clear;
1478		1993
1479	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1480		1995
1481	$self->unlink_save;	1996	$self->unlink_save;
1482	$self->destroy;	1997	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1486		2001
1487	sub nuke {	2002	sub nuke {
1488	my ($self) = @_;	2003	my ($self) = @_;
1489		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1493	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1494	}	2018	}
1495		2019
1496	sub customise_for {	2020	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2021
1499	if ($map->per_player) {	2022	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
1501	}	2028	[
1502		2029	map {
1503	$map	2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
1504	}	2036	}
1505		2037
1506	sub emergency_save {	2038	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2039
1509	warn "enter emergency perl save\n";	2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
1510		2042
1511	cf::sync_job {	2043	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2044
1516	warn "begin emergency map save\n";	2045	sub random_maps() {
1517	$_->save for values %cf::MAP;	2046	[
1518	warn "end emergency map save\n";	2047	map {
1519	};	2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
1520		2055
1521	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	]
1522	}	2072	}
1523		2073
1524	package cf;	2074	package cf;
1525		2075
1526	=back	2076	=back
1527		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
1528		2104
1529	=head3 cf::object::player	2105	=head3 cf::object::player
1530		2106
1531	=over 4	2107	=over 4
1532		2108
…		…
1546		2122
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2124
1549	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1551	} 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 {
1552	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1554	}	2144	}
1555	}	2145	}
1556		2146
1557	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1558		2148
…		…
1572		2162
1573	=item $player_object->enter_link	2163	=item $player_object->enter_link
1574		2164
1575	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}>).
1576		2166
1577	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
1578	I<MUST> call C<leave_link> as soon as possible, though.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1579		2169
		2170	Will never block.
		2171
1580	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1581		2173
1582	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2177	fails, to the emergency map position.
1586		2178
1587	Might block.	2179	Might block.
1588		2180
1589	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($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	$LINK_MAP
		2191	}
1590		2192
1591	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2194	my ($self) = @_;
1593		2195
1594	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1595		2197
1596	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2199
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1600		2202
1601	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	2204	}
1603		2205
1604	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1606		2210
1607	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1608		2212
1609	unless ($map) {	2213	unless ($map) {
1610	# restore original map position	2214	# restore original map position
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	2228	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2229	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2230	if $x <=0 && $y <= 0;
1627		2231
1628	$map->load;	2232	$map->load;
		2233	$map->load_diag;
1629		2234
1630	return unless $self->contr->active;	2235	return unless $self->contr->active;
1631	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1633	}	2240	}
1634		2241
1635	cf::player->attach (
1636	on_logout => sub {
1637	my ($pl) = @_;
1638
1639	# abort map switching before logout
1640	if ($pl->ob->{_link_pos}) {
1641	cf::sync_job {
1642	$pl->ob->leave_link
1643	};
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648
1649	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666
1667	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1668		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
1669	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1670		2252
1671	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1672	my ($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;
1673		2258
1674	$self->enter_link;	2259	$self->enter_link;
1675		2260
1676	(async {	2261	(async {
1677	$path = new cf::path $path;	2262	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1681		2267	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1683	# if $map;
1684
1685	$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	}
1686		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};
1687	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1688	})->prio (1);	2284	})->prio (1);
1689	}	2285	}
1690		2286
1691	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1692		2288
…		…
1694		2290
1695	sub parse_random_map_params {	2291	sub parse_random_map_params {
1696	my ($spec) = @_;	2292	my ($spec) = @_;
1697		2293
1698	my $rmp = { # defaults	2294	my $rmp = { # defaults
1699	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1701	};	2299	};
1702		2300
1703	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1705		2303
…		…
1709	$rmp	2307	$rmp
1710	}	2308	}
1711		2309
1712	sub prepare_random_map {	2310	sub prepare_random_map {
1713	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		2314
1715	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	2317	# that depends on the exit object
1718		2318
1719	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1720		2320
1721	if ($exit->map) {	2321	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1726	}	2326	}
1727		2327
1728	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1729		2329
1730	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1732		2333
1733	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) {
1734	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;
1735		2338
1736	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	2340	$exit->msg (undef);
1738	}	2341	}
1739	}	2342	}
1740		2343
1741	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1743		2346
1744	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;
1745		2359
1746	$self->enter_link;	2360	$self->enter_link;
1747		2361
1748	(async {	2362	(async {
1749	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	2364	unless (eval {
1751	prepare_random_map $exit	2365	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		2366
1757	1;	2367	1;
1758	}) {	2368	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "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. "
1761	. "Please report this to the dungeon master",	2371	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2373
1764	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2375	$self->leave_link;
1766	}	2376	}
1767	})->prio (1);	2377	})->prio (1);
…		…
1780		2390
1781	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1783		2393
1784	utf8::encode $text;	2394	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2396	}
1787		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	if ($self->can_msg) {
		2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2414	} else {
		2415	# replace some tags by gcfclient-compatible ones
		2416	for ($msg) {
		2417	1 while
		2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2423	}
		2424
		2425	if ($color >= 0) {
		2426	if (0 && $msg =~ /\[/) {
		2427	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2428	} else {
		2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2430	$self->send_packet ("drawinfo $color $msg")
		2431	}
		2432	}
		2433	}
		2434	}
		2435
		2436	=item $client->ext_event ($type, %msg)
		2437
		2438	Sends an ext event to the client.
		2439
		2440	=cut
		2441
		2442	sub cf::client::ext_event($$%) {
		2443	my ($self, $type, %msg) = @_;
		2444
		2445	$msg{msgtype} = "event_$type";
		2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2447	}
1788		2448
1789	=item $success = $client->query ($flags, "text", \&cb)	2449	=item $success = $client->query ($flags, "text", \&cb)
1790		2450
1791	Queues a query to the client, calling the given callback with	2451	Queues a query to the client, calling the given callback with
1792	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2452	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1793	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2453	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1794		2454
1795	Queries can fail, so check the return code. Or don't, as queries will become	2455	Queries can fail, so check the return code. Or don't, as queries will
1796	reliable at some point in the future.	2456	become reliable at some point in the future.
1797		2457
1798	=cut	2458	=cut
1799		2459
1800	sub cf::client::query {	2460	sub cf::client::query {
1801	my ($self, $flags, $text, $cb) = @_;	2461	my ($self, $flags, $text, $cb) = @_;
…		…
1809	utf8::encode $text;	2469	utf8::encode $text;
1810	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2470	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1811		2471
1812	$self->send_packet ($self->{query_queue}[0][0])	2472	$self->send_packet ($self->{query_queue}[0][0])
1813	if @{ $self->{query_queue} } == 1;	2473	if @{ $self->{query_queue} } == 1;
		2474
		2475	1
1814	}	2476	}
1815		2477
1816	cf::client->attach (	2478	cf::client->attach (
		2479	on_connect => sub {
		2480	my ($ns) = @_;
		2481
		2482	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2483	},
1817	on_reply => sub {	2484	on_reply => sub {
1818	my ($ns, $msg) = @_;	2485	my ($ns, $msg) = @_;
1819		2486
1820	# this weird shuffling is so that direct followup queries	2487	# this weird shuffling is so that direct followup queries
1821	# get handled first	2488	# get handled first
1822	my $queue = delete $ns->{query_queue}	2489	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2490	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2491
1825	(shift @$queue)->[1]->($msg);	2492	(shift @$queue)->[1]->($msg);
		2493	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2494
1827	push @{ $ns->{query_queue} }, @$queue;	2495	push @{ $ns->{query_queue} }, @$queue;
1828		2496
1829	if (@{ $ns->{query_queue} } == @$queue) {	2497	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2498	if (@$queue) {
…		…
1832	} else {	2500	} else {
1833	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2501	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1834	}	2502	}
1835	}	2503	}
1836	},	2504	},
		2505	on_exticmd => sub {
		2506	my ($ns, $buf) = @_;
		2507
		2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2509
		2510	if (ref $msg) {
		2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2512	if (my %reply = $cb->($ns, $msg)) {
		2513	$reply{msgid} = $msg->{msgid};
		2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2515	}
		2516	}
		2517	} else {
		2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2519	}
		2520
		2521	cf::override;
		2522	},
1837	);	2523	);
1838		2524
1839	=item $client->async (\&cb)	2525	=item $client->async (\&cb)
1840		2526
1841	Create a new coroutine, running the specified callback. The coroutine will	2527	Create a new coroutine, running the specified callback. The coroutine will
…		…
1888		2574
1889	# here we export the classes and methods available to script code	2575	# here we export the classes and methods available to script code
1890		2576
1891	=pod	2577	=pod
1892		2578
1893	The following fucntions and emthods are available within a safe environment:	2579	The following functions and methods are available within a safe environment:
1894		2580
1895	cf::object contr pay_amount pay_player map	2581	cf::object contr pay_amount pay_player map
1896	cf::object::player player	2582	cf::object::player player
1897	cf::player peaceful	2583	cf::player peaceful
1898	cf::map trigger	2584	cf::map trigger
…		…
1979	=back	2665	=back
1980		2666
1981	=cut	2667	=cut
1982		2668
1983	#############################################################################	2669	#############################################################################
		2670	# the server's init and main functions
1984		2671
1985	=head2 EXTENSION DATABASE SUPPORT	2672	sub load_facedata($) {
		2673	my ($path) = @_;
1986		2674
1987	Crossfire maintains a very simple database for extension use. It can	2675	warn "loading facedata from $path\n";
1988	currently store anything that can be serialised using Storable, which
1989	excludes objects.
1990		2676
1991	The parameter C<$family> should best start with the name of the extension	2677	my $facedata;
1992	using it, it should be unique.	2678	0 < aio_load $path, $facedata
		2679	or die "$path: $!";
1993		2680
1994	=over 4	2681	$facedata = Coro::Storable::thaw $facedata;
1995		2682
1996	=item $hashref = cf::db_get $family	2683	$facedata->{version} == 2
		2684	or cf::cleanup "$path: version mismatch, cannot proceed.";
1997		2685
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key
2003
2004	Returns a single value from the database
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010
2011	=item cf::db_put $family => $key => $value
2012
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023
2024	=cut
2025
2026	our $DB;
2027
2028	{
2029	my $path = cf::localdir . "/database.pst";
2030
2031	sub db_load() {
2032	$DB = stat $path ? Storable::retrieve $path : { };
2033	}	2686	{
		2687	my $faces = $facedata->{faceinfo};
2034		2688
2035	my $pid;	2689	while (my ($face, $info) = each %$faces) {
2036		2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2037	sub db_save() {	2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2038	waitpid $pid, 0 if $pid;	2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2039	if (0 == ($pid = fork)) {	2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2040	$DB->{_meta}{version} = 1;	2694	Coro::cede;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});
2057
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {
2064	@_ >= 2
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068
2069	sub db_put($$;$) {
2070	if (@_ >= 3) {
2071	$DB->{$_[0]}{$_[1]} = $_[2];
2072	} else {
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077
2078	cf::global->attach (
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	2695	}
2083	);
2084	}
2085		2696
2086	#############################################################################	2697	while (my ($face, $info) = each %$faces) {
2087	# the server's main()	2698	next unless $info->{smooth};
		2699	my $idx = cf::face::find $face
		2700	or next;
		2701	if (my $smooth = cf::face::find $info->{smooth}) {
		2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2703	} else {
		2704	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2705	}
		2706	Coro::cede;
		2707	}
		2708	}
		2709
		2710	{
		2711	my $anims = $facedata->{animinfo};
		2712
		2713	while (my ($anim, $info) = each %$anims) {
		2714	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2715	Coro::cede;
		2716	}
		2717
		2718	cf::anim::invalidate_all; # d'oh
		2719	}
		2720
		2721	1
		2722	}
		2723
		2724	sub reload_regions {
		2725	load_resource_file "$MAPDIR/regions"
		2726	or die "unable to load regions file\n";
		2727	}
		2728
		2729	sub reload_facedata {
		2730	load_facedata "$DATADIR/facedata"
		2731	or die "unable to load facedata\n";
		2732	}
		2733
		2734	sub reload_archetypes {
		2735	load_resource_file "$DATADIR/archetypes"
		2736	or die "unable to load archetypes\n";
		2737	#d# NEED to laod twice to resolve forward references
		2738	# this really needs to be done in an extra post-pass
		2739	# (which needs to be synchronous, so solve it differently)
		2740	load_resource_file "$DATADIR/archetypes"
		2741	or die "unable to load archetypes\n";
		2742	}
		2743
		2744	sub reload_treasures {
		2745	load_resource_file "$DATADIR/treasures"
		2746	or die "unable to load treasurelists\n";
		2747	}
		2748
		2749	sub reload_resources {
		2750	warn "reloading resource files...\n";
		2751
		2752	reload_regions;
		2753	reload_facedata;
		2754	#reload_archetypes;#d#
		2755	reload_archetypes;
		2756	reload_treasures;
		2757
		2758	warn "finished reloading resource files\n";
		2759	}
		2760
		2761	sub init {
		2762	reload_resources;
		2763	}
2088		2764
2089	sub cfg_load {	2765	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2766	open my $fh, "<:utf8", "$CONFDIR/config"
2091	or return;	2767	or return;
2092		2768
2093	local $/;	2769	local $/;
2094	*CFG = YAML::Syck::Load <$fh>;	2770	*CFG = YAML::Syck::Load <$fh>;
2095		2771
…		…
2109		2785
2110	sub main {	2786	sub main {
2111	# we must not ever block the main coroutine	2787	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2788	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2790	(async {
2114	async { Event::one_event };	2791	Event::one_event;
		2792	})->prio (Coro::PRIO_MAX);
2115	};	2793	};
2116		2794
2117	cfg_load;	2795	cfg_load;
2118	db_load;	2796	db_init;
2119	load_extensions;	2797	load_extensions;
		2798
		2799	$TICK_WATCHER->start;
2120	Event::loop;	2800	Event::loop;
2121	}	2801	}
2122		2802
2123	#############################################################################	2803	#############################################################################
2124	# initialisation	2804	# initialisation and cleanup
2125		2805
		2806	# install some emergency cleanup handlers
		2807	BEGIN {
		2808	for my $signal (qw(INT HUP TERM)) {
		2809	Event->signal (
		2810	reentrant => 0,
		2811	data => WF_AUTOCANCEL,
		2812	signal => $signal,
		2813	prio => 0,
		2814	cb => sub {
		2815	cf::cleanup "SIG$signal";
		2816	},
		2817	);
		2818	}
		2819	}
		2820
		2821	sub write_runtime {
		2822	my $runtime = "$LOCALDIR/runtime";
		2823
		2824	# first touch the runtime file to show we are still running:
		2825	# the fsync below can take a very very long time.
		2826
		2827	IO::AIO::aio_utime $runtime, undef, undef;
		2828
		2829	my $guard = cf::lock_acquire "write_runtime";
		2830
		2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2832	or return;
		2833
		2834	my $value = $cf::RUNTIME + 90 + 10;
		2835	# 10 is the runtime save interval, for a monotonic clock
		2836	# 60 allows for the watchdog to kill the server.
		2837
		2838	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2839	and return;
		2840
		2841	# always fsync - this file is important
		2842	aio_fsync $fh
		2843	and return;
		2844
		2845	# touch it again to show we are up-to-date
		2846	aio_utime $fh, undef, undef;
		2847
		2848	close $fh
		2849	or return;
		2850
		2851	aio_rename "$runtime~", $runtime
		2852	and return;
		2853
		2854	warn "runtime file written.\n";
		2855
		2856	1
		2857	}
		2858
		2859	sub emergency_save() {
		2860	my $freeze_guard = cf::freeze_mainloop;
		2861
		2862	warn "enter emergency perl save\n";
		2863
		2864	cf::sync_job {
		2865	# use a peculiar iteration method to avoid tripping on perl
		2866	# refcount bugs in for. also avoids problems with players
		2867	# and maps saved/destroyed asynchronously.
		2868	warn "begin emergency player save\n";
		2869	for my $login (keys %cf::PLAYER) {
		2870	my $pl = $cf::PLAYER{$login} or next;
		2871	$pl->valid or next;
		2872	$pl->save;
		2873	}
		2874	warn "end emergency player save\n";
		2875
		2876	warn "begin emergency map save\n";
		2877	for my $path (keys %cf::MAP) {
		2878	my $map = $cf::MAP{$path} or next;
		2879	$map->valid or next;
		2880	$map->save;
		2881	}
		2882	warn "end emergency map save\n";
		2883
		2884	warn "begin emergency database checkpoint\n";
		2885	BDB::db_env_txn_checkpoint $DB_ENV;
		2886	warn "end emergency database checkpoint\n";
		2887	};
		2888
		2889	warn "leave emergency perl save\n";
		2890	}
		2891
		2892	sub post_cleanup {
		2893	my ($make_core) = @_;
		2894
		2895	warn Carp::longmess "post_cleanup backtrace"
		2896	if $make_core;
		2897	}
		2898
2126	sub reload() {	2899	sub do_reload_perl() {
2127	# can/must only be called in main	2900	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2901	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2902	warn "can only reload from main coroutine";
2130	return;	2903	return;
2131	}	2904	}
2132		2905
2133	warn "reloading...";	2906	warn "reloading...";
2134		2907
2135	my $guard = freeze_mainloop;	2908	warn "entering sync_job";
		2909
		2910	cf::sync_job {
		2911	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2912	cf::emergency_save;
		2913	cf::write_runtime; # external watchdog should not bark
2137		2914
2138	eval {	2915	warn "syncing database to disk";
		2916	BDB::db_env_txn_checkpoint $DB_ENV;
		2917
2139	# if anything goes wrong in here, we should simply crash as we already saved	2918	# if anything goes wrong in here, we should simply crash as we already saved
2140		2919
2141	# cancel all watchers	2920	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2921	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2923	}
2145		2924
		2925	warn "flushing outstanding aio requests";
		2926	for (;;) {
		2927	BDB::flush;
		2928	IO::AIO::flush;
		2929	Coro::cede;
		2930	last unless IO::AIO::nreqs || BDB::nreqs;
		2931	warn "iterate...";
		2932	}
		2933
		2934	++$RELOAD;
		2935
2146	# cancel all extension coros	2936	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2937	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2938	%EXT_CORO = ();
2149		2939
2150	# unload all extensions	2940	warn "removing commands";
2151	for (@exts) {	2941	%COMMAND = ();
		2942
		2943	warn "removing ext/exti commands";
		2944	%EXTCMD = ();
		2945	%EXTICMD = ();
		2946
		2947	warn "unloading/nuking all extensions";
		2948	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2949	warn "... unloading $pkg";
2153	unload_extension $_;	2950
		2951	if (my $cb = $pkg->can ("unload")) {
		2952	eval {
		2953	$cb->($pkg);
		2954	1
		2955	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2956	}
2155		2957
		2958	warn "... nuking $pkg";
		2959	Symbol::delete_package $pkg;
		2960	}
		2961
2156	# unload all modules loaded from $LIBDIR	2962	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2963	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2965
2160	warn "removing <$k>";	2966	warn "... unloading $k";
2161	delete $INC{$k};	2967	delete $INC{$k};
2162		2968
2163	$k =~ s/\.pm$//;	2969	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2970	$k =~ s/\//::/g;
2165		2971
…		…
2168	}	2974	}
2169		2975
2170	Symbol::delete_package $k;	2976	Symbol::delete_package $k;
2171	}	2977	}
2172		2978
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2979	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2980	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2982
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2983	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2984	delete $INC{"cf.pm"};
		2985	delete $INC{"cf/pod.pm"};
2186		2986
2187	# don't, removes xs symbols, too,	2987	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2988	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2989	#Symbol::delete_package __PACKAGE__;
2190		2990
2191	# reload cf.pm	2991	warn "unload completed, starting to reload now";
		2992
2192	warn "reloading cf.pm";	2993	warn "reloading cf.pm";
2193	require cf;	2994	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2996
2196	# load config and database again	2997	warn "loading config and database again";
2197	cf::cfg_load;	2998	cf::cfg_load;
2198	cf::db_load;
2199		2999
2200	# load extensions
2201	warn "load extensions";	3000	warn "loading extensions";
2202	cf::load_extensions;	3001	cf::load_extensions;
2203		3002
2204	# reattach attachments to objects	3003	warn "reattaching attachments to objects/players";
2205	warn "reattach";	3004	_global_reattach; # objects, sockets
2206	_global_reattach;	3005	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	3006	reattach $_ for values %MAP;
2208	};	3007	warn "reattaching attachments to players";
		3008	reattach $_ for values %PLAYER;
2209		3009
2210	if ($@) {	3010	warn "leaving sync_job";
		3011
		3012	1
		3013	} or do {
2211	warn $@;	3014	warn $@;
2212	warn "error while reloading, exiting.";	3015	warn "error while reloading, exiting.";
2213	exit 1;	3016	exit 1;
2214	}	3017	};
2215		3018
2216	warn "reloaded successfully";	3019	warn "reloaded";
2217	};	3020	};
2218		3021
2219	#############################################################################	3022	our $RELOAD_WATCHER; # used only during reload
2220		3023
2221	unless ($LINK_MAP) {	3024	sub reload_perl() {
2222	$LINK_MAP = cf::map::new;	3025	# doing reload synchronously and two reloads happen back-to-back,
		3026	# coro crashes during coro_state_free->destroy here.
2223		3027
2224	$LINK_MAP->width (41);	3028	$RELOAD_WATCHER ||= Event->timer (
2225	$LINK_MAP->height (41);	3029	reentrant => 0,
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,	3030	after => 0,
		3031	data => WF_AUTOCANCEL,
2234	cb => sub {	3032	cb => sub {
2235	$_[0]->w->cancel;	3033	do_reload_perl;
2236		3034	undef $RELOAD_WATCHER;
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});	3035	},
2255		3036	);
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}	3037	}
2261
2262	register "<global>", __PACKAGE__;
2263		3038
2264	register_command "reload" => sub {	3039	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	3040	my ($who, $arg) = @_;
2266		3041
2267	if ($who->flag (FLAG_WIZ)) {	3042	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");
2269	reload;
2270	$who->message ("end of reload.");	3043	$who->message ("reloading server.");
		3044	async { reload_perl };
2271	}	3045	}
2272	};	3046	};
2273		3047
2274	unshift @INC, $LIBDIR;	3048	unshift @INC, $LIBDIR;
2275		3049
		3050	my $bug_warning = 0;
		3051
		3052	our @WAIT_FOR_TICK;
		3053	our @WAIT_FOR_TICK_BEGIN;
		3054
		3055	sub wait_for_tick {
		3056	return unless $TICK_WATCHER->is_active;
		3057	return if $Coro::current == $Coro::main;
		3058
		3059	my $signal = new Coro::Signal;
		3060	push @WAIT_FOR_TICK, $signal;
		3061	$signal->wait;
		3062	}
		3063
		3064	sub wait_for_tick_begin {
		3065	return unless $TICK_WATCHER->is_active;
		3066	return if $Coro::current == $Coro::main;
		3067
		3068	my $signal = new Coro::Signal;
		3069	push @WAIT_FOR_TICK_BEGIN, $signal;
		3070	$signal->wait;
		3071	}
		3072
		3073	my $min = 1e6;#d#
		3074	my $avg = 10;
2276	$TICK_WATCHER = Event->timer (	3075	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	3076	reentrant => 0,
		3077	parked => 1,
2278	prio => 0,	3078	prio => 0,
2279	at => $NEXT_TICK || $TICK,	3079	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	3080	data => WF_AUTOCANCEL,
2281	cb => sub {	3081	cb => sub {
		3082	if ($Coro::current != $Coro::main) {
		3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3084	unless ++$bug_warning > 10;
		3085	return;
		3086	}
		3087
		3088	$NOW = $tick_start = Event::time;
		3089
2282	cf::server_tick; # one server iteration	3090	cf::server_tick; # one server iteration
		3091
		3092	0 && sync_job {#d#
		3093	for(1..10) {
		3094	my $t = Event::time;
		3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3096	or die;
		3097
		3098	$map->width (50);
		3099	$map->height (50);
		3100	$map->alloc;
		3101	$map->_load_objects ("/tmp/x.map", 1);
		3102	my $t = Event::time - $t;
		3103
		3104	#next unless $t < 0.0013;#d#
		3105	if ($t < $min) {
		3106	$min = $t;
		3107	}
		3108	$avg = $avg * 0.99 + $t * 0.01;
		3109	}
		3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3111	exit 0;
		3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3113	};
		3114
2283	$RUNTIME += $TICK;	3115	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	3116	$NEXT_TICK += $TICK;
2285		3117
		3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3120	Coro::async_pool {
		3121	write_runtime
		3122	or warn "ERROR: unable to write runtime file: $!";
		3123	};
		3124	}
		3125
		3126	# my $AFTER = Event::time;
		3127	# warn $AFTER - $NOW;#d#
		3128
		3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3130	$sig->send;
		3131	}
		3132	while (my $sig = shift @WAIT_FOR_TICK) {
		3133	$sig->send;
		3134	}
		3135
		3136	$NOW = Event::time;
		3137
2286	# if we are delayed by four ticks or more, skip them all	3138	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2288		3140
2289	$TICK_WATCHER->at ($NEXT_TICK);	3141	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	3142	$TICK_WATCHER->start;
		3143
		3144	$LOAD = ($NOW - $tick_start) / $TICK;
		3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3146
		3147	_post_tick;
		3148
		3149
2291	},	3150	},
2292	);	3151	);
2293		3152
		3153	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	3154	BDB::max_poll_time $TICK * 0.1;
2295		3155	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	3156	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	3157	fd => BDB::poll_fileno,
2298	poll => 'r',	3158	poll => 'r',
2299	prio => 5,	3159	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	3160	data => WF_AUTOCANCEL,
2306	after => 0,	3161	cb => \&BDB::poll_cb,
2307	interval => 10,	3162	);
2308	cb => sub {	3163	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	3164
2310	write_runtime	3165	BDB::set_sync_prepare {
2311	or warn "ERROR: unable to write runtime file: $!";	3166	my $status;
		3167	my $current = $Coro::current;
		3168	(
		3169	sub {
		3170	$status = $!;
		3171	$current->ready; undef $current;
		3172	},
		3173	sub {
		3174	Coro::schedule while defined $current;
		3175	$! = $status;
		3176	},
		3177	)
		3178	};
		3179
		3180	unless ($DB_ENV) {
		3181	$DB_ENV = BDB::db_env_create;
		3182
		3183	cf::sync_job {
		3184	eval {
		3185	BDB::db_env_open
		3186	$DB_ENV,
		3187	$BDBDIR,
		3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3190	0666;
		3191
		3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3193
		3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3195	$DB_ENV->set_lk_detect;
		3196	};
		3197
		3198	cf::cleanup "db_env_open(db): $@" if $@;
2312	})->();	3199	};
2313	},	3200	}
2314	);	3201	}
		3202
		3203	{
		3204	IO::AIO::min_parallel 8;
		3205
		3206	undef $Coro::AIO::WATCHER;
		3207	IO::AIO::max_poll_time $TICK * 0.1;
		3208	$AIO_POLL_WATCHER = Event->io (
		3209	reentrant => 0,
		3210	data => WF_AUTOCANCEL,
		3211	fd => IO::AIO::poll_fileno,
		3212	poll => 'r',
		3213	prio => 6,
		3214	cb => \&IO::AIO::poll_cb,
		3215	);
		3216	}
		3217
		3218	my $_log_backtrace;
		3219
		3220	sub _log_backtrace {
		3221	my ($msg, @addr) = @_;
		3222
		3223	$msg =~ s/\n//;
		3224
		3225	# limit the # of concurrent backtraces
		3226	if ($_log_backtrace < 2) {
		3227	++$_log_backtrace;
		3228	async {
		3229	my @bt = fork_call {
		3230	@addr = map { sprintf "%x", $_ } @addr;
		3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3233	or die "addr2line: $!";
		3234
		3235	my @funcs;
		3236	my @res = <$fh>;
		3237	chomp for @res;
		3238	while (@res) {
		3239	my ($func, $line) = splice @res, 0, 2, ();
		3240	push @funcs, "[$func] $line";
		3241	}
		3242
		3243	@funcs
		3244	};
		3245
		3246	LOG llevInfo, "[ABT] $msg\n";
		3247	LOG llevInfo, "[ABT] $_\n" for @bt;
		3248	--$_log_backtrace;
		3249	};
		3250	} else {
		3251	LOG llevInfo, "[ABT] $msg\n";
		3252	LOG llevInfo, "[ABT] [suppressed]\n";
		3253	}
		3254	}
		3255
		3256	# load additional modules
		3257	use cf::pod;
2315		3258
2316	END { cf::emergency_save }	3259	END { cf::emergency_save }
2317		3260
2318	1	3261	1
2319		3262

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