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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.291 by root, Tue Jul 3 00:54:44 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;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
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 (2); # 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
		90	our %PLAYER; # all users
52	our %MAP; # all maps	91	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	92	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	93
55	our $RANDOM_MAPS = cf::localdir . "/random";	94	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	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	114	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		115
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	116	sub cf::map::normalise;
78		117
79	#############################################################################	118	#############################################################################
80		119
81	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
82		121
…		…
89	=item $cf::RUNTIME	128	=item $cf::RUNTIME
90		129
91	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
92	every server tick.	131	every server tick.
93		132
94	=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
95		136
96	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		141
99	=item $cf::NOW	142	=item $cf::NOW
100		143
101	The time of the last (current) server tick.	144	The time of the last (current) server tick.
102		145
103	=item $cf::TICK	146	=item $cf::TICK
104		147
105	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.
106		159
107	=item %cf::CFG	160	=item %cf::CFG
108		161
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	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.
111		170
112	=back	171	=back
113		172
114	=cut	173	=cut
115		174
116	BEGIN {	175	BEGIN {
117	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	177	my $msg = join "", @_;
119	utf8::encode $msg;
120		178
121	$msg .= "\n"	179	$msg .= "\n"
122	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
123		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	185	LOG llevError, $msg;
125	};	186	};
126	}	187	}
127		188
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		196
135	# 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
136	# within the Safe compartment.	198	# within the Safe compartment.
137	for my $pkg (qw(	199	for my $pkg (qw(
138	cf::global cf::attachable	200	cf::global cf::attachable
…		…
147		209
148	$Event::DIED = sub {	210	$Event::DIED = sub {
149	warn "error in event callback: @_";	211	warn "error in event callback: @_";
150	};	212	};
151		213
152	my %ext_pkg;	214	#############################################################################
153	my @exts;
154	my @hook;
155		215
156	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
157		217
158	=over 4	218	=over 4
159		219
160	=cut	220	=item dumpval $ref
161		221
162	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	}
163		242
164	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
165		244
166	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
167		246
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
176		248
177	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
178		250
179	=cut	251	=cut
180		252
181	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
183	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
		256	sub from_json ($) { $json_coder->decode ($_[0]) }
		257
		258	=item cf::lock_wait $string
		259
		260	Wait until the given lock is available. See cf::lock_acquire.
		261
		262	=item my $lock = cf::lock_acquire $string
		263
		264	Wait until the given lock is available and then acquires it and returns
		265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		266	for example when the coroutine gets canceled), the lock is automatically
		267	returned.
		268
		269	Lock names should begin with a unique identifier (for example, cf::map::find
		270	uses map_find and cf::map::load uses map_load).
		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
		276	=cut
		277
		278	our %LOCK;
		279
		280	sub lock_wait($) {
		281	my ($key) = @_;
		282
		283	# wait for lock, if any
		284	while ($LOCK{$key}) {
		285	push @{ $LOCK{$key} }, $Coro::current;
		286	Coro::schedule;
		287	}
184	}	288	}
		289
		290	sub lock_acquire($) {
		291	my ($key) = @_;
		292
		293	# wait, to be sure we are not locked
		294	lock_wait $key;
		295
		296	$LOCK{$key} = [];
		297
		298	Coro::guard {
		299	# wake up all waiters, to be on the safe side
		300	$_->ready for @{ delete $LOCK{$key} };
		301	}
		302	}
		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
		310	sub freeze_mainloop {
		311	return unless $TICK_WATCHER->is_active;
		312
		313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
		316	$TICK_WATCHER->stop;
		317	$guard
		318	}
		319
		320	=item cf::async { BLOCK }
		321
		322	Currently the same as Coro::async_pool, meaning you cannot use
		323	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		324	thing you are allowed to do is call C<prio> on it.
		325
		326	=cut
		327
		328	BEGIN { *async = \&Coro::async_pool }
185		329
186	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
187		331
188	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
191		336
192	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
195	fast or be very important.	340	fast or be very important.
…		…
198		343
199	sub sync_job(&) {	344	sub sync_job(&) {
200	my ($job) = @_;	345	my ($job) = @_;
201		346
202	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
203	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
205		352
206	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	354	# (but this is cancel-safe)
208	local $FREEZE = 1;	355	my $freeze_guard = freeze_mainloop;
209		356
210	my $busy = 1;	357	my $busy = 1;
211	my @res;	358	my @res;
212		359
213	(Coro::async {	360	(async {
214	@res = eval { $job->() };	361	@res = eval { $job->() };
215	warn $@ if $@;	362	warn $@ if $@;
216	undef $busy;	363	undef $busy;
217	})->prio (Coro::PRIO_MAX);	364	})->prio (Coro::PRIO_MAX);
218		365
219	while ($busy) {	366	while ($busy) {
220	Coro::cede_notself;	367	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	368	}
		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
223		376
224	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
225	} else {	378	} else {
226	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
227		380
228	$job->()	381	$job->()
229	}	382	}
230	}	383	}
231		384
232	=item $coro = cf::coro { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
233		386
234	Creates and returns a new coro. This coro is automcatially being canceled	387	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	388	extension calling this is being unloaded.
236		389
237	=cut	390	=cut
238		391
239	sub coro(&) {	392	sub async_ext(&) {
240	my $cb = shift;	393	my $cb = shift;
241		394
242	my $coro; $coro = async {	395	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		396
249	$coro->on_destroy (sub {	397	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	398	delete $EXT_CORO{$coro+0};
251	});	399	});
252	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
253		401
254	$coro	402	$coro
255	}	403	}
256		404
257	sub write_runtime {	405	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		406
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
261	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.
262		411
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		413
267	aio_fsync $fh	414	sub fork_call(&@) {
268	and return;	415	my ($cb, @args) = @_;
269		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) {
270	close $fh	423	close $fh2;
271	or return;
272		424
273	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
274	and return;	426	$res = Coro::Storable::thaw $res;
275		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
276	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		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 });
277	}	574	}
278		575
279	=back	576	=back
280		577
281	=cut	578	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		579
393	#############################################################################	580	#############################################################################
394		581
395	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
396		583
…		…
398	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")
399	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
400		587
401	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>
402	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
403	crossfire+).	590	Crossfire TRT).
404		591
405	=over 4	592	=over 4
406		593
407	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
408		595
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	710	our @CB_MAP = ();
524		711
525	my %attachment;	712	my %attachment;
526		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
527	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
529		722
530	use sort 'stable';	723	use sort 'stable';
531		724
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
566		759
567	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		764
572	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	766	my $pkg = shift @arg;
574		767
575	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
605	}	798	}
606		799
607	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
608	} else {	801	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	803	}
611		804
612	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
613	}	806	}
614		807
…		…
616	if (ref $_[0]) {	809	if (ref $_[0]) {
617	_object_attach @_;	810	_object_attach @_;
618	} else {	811	} else {
619	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
620	}	813	}
		814	_recalc_want;
621	};	815	};
622		816
623	# all those should be optimised	817	# all those should be optimised
624	sub cf::attachable::detach {	818	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
629	reattach ($obj);	823	reattach ($obj);
630	} else {	824	} else {
631	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
632	}	826	}
		827	_recalc_want;
633	};	828	};
634		829
635	sub cf::attachable::attached {	830	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
637		832
…		…
702	# object support	897	# object support
703		898
704	sub reattach {	899	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		904
708	my $registry = $obj->registry;	905	my $registry = $obj->registry;
709		906
710	@$registry = ();	907	@$registry = ();
711		908
…		…
758	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
759		956
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	961	close $fh;
765		962
766	if (@$objs) {	963	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	969	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
774	}	971	}
775	} else {	972	} else {
776	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
807	(aio_load "$filename.pst", $av) >= 0	1004	(aio_load "$filename.pst", $av) >= 0
808	or return;	1005	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
810	}	1007	}
811		1008
		1009	warn sprintf "loading %s (%d)\n",
		1010	$filename, length $data, scalar @{$av || []};
812	return ($data, $av);	1011	return ($data, $av);
813	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
814		1019
815	#############################################################################	1020	#############################################################################
816	# command handling &c	1021	# command handling &c
817		1022
818	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
831	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
832	}	1037	}
833		1038
834	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
835		1040
836	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.
837		1046
838	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
839	called.	1048	called.
840		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
841	=cut	1061	=cut
842		1062
843	sub register_extcmd {	1063	sub register_extcmd {
844	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
845		1065
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
850	}	1073	}
851		1074
852	cf::player->attach (	1075	cf::player->attach (
853	on_command => sub {	1076	on_command => sub {
854	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
863	cf::override;	1086	cf::override;
864	},	1087	},
865	on_extcmd => sub {	1088	on_extcmd => sub {
866	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
867		1090
868	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
869		1092
870	if (ref $msg) {	1093	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	1097	}
875	}	1098	}
876	} else {	1099	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		1102
880	cf::override;	1103	cf::override;
881	},	1104	},
882	);	1105	);
883		1106
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
		1111	for my $path (<$LIBDIR/*.ext>) {
		1112	next unless -r $path;
		1113
		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;
		1171	}
		1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
		1177	};
		1178	}
		1179
		1180	#############################################################################
		1181
		1182	=back
		1183
		1184	=head2 CORE EXTENSIONS
		1185
		1186	Functions and methods that extend core crossfire objects.
		1187
		1188	=cut
		1189
		1190	package cf::player;
		1191
		1192	use Coro::AIO;
		1193
		1194	=head3 cf::player
		1195
		1196	=over 4
		1197
		1198	=item cf::player::find $login
		1199
		1200	Returns the given player object, loading it if necessary (might block).
		1201
		1202	=cut
		1203
		1204	sub playerdir($) {
		1205	"$PLAYERDIR/"
		1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1207	}
		1208
		1209	sub path($) {
		1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1211
		1212	(playerdir $login) . "/playerdata"
		1213	}
		1214
		1215	sub find_active($) {
		1216	$cf::PLAYER{$_[0]}
		1217	and $cf::PLAYER{$_[0]}->active
		1218	and $cf::PLAYER{$_[0]}
		1219	}
		1220
		1221	sub exists($) {
		1222	my ($login) = @_;
		1223
		1224	$cf::PLAYER{$login}
		1225	or cf::sync_job { !aio_stat path $login }
		1226	}
		1227
		1228	sub find($) {
		1229	return $cf::PLAYER{$_[0]} || do {
		1230	my $login = $_[0];
		1231
		1232	my $guard = cf::lock_acquire "user_find:$login";
		1233
		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	}
		1246	}
		1247	}
		1248
		1249	sub save($) {
		1250	my ($pl) = @_;
		1251
		1252	return if $pl->{deny_save};
		1253
		1254	my $path = path $pl;
		1255	my $guard = cf::lock_acquire "user_save:$path";
		1256
		1257	return if $pl->{deny_save};
		1258
		1259	aio_mkdir playerdir $pl, 0770;
		1260	$pl->{last_save} = $cf::RUNTIME;
		1261
		1262	$pl->save_pl ($path);
		1263	Coro::cede;
		1264	}
		1265
		1266	sub new($) {
		1267	my ($login) = @_;
		1268
		1269	my $self = create;
		1270
		1271	$self->ob->name ($login);
		1272	$self->{deny_save} = 1;
		1273
		1274	$cf::PLAYER{$login} = $self;
		1275
		1276	$self
		1277	}
		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
		1286	sub quit_character {
		1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
		1290
		1291	$pl->{deny_save} = 1;
		1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1293
		1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1295	$pl->deactivate;
		1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1297	$pl->ns->destroy if $pl->ns;
		1298
		1299	my $path = playerdir $pl;
		1300	my $temp = "$path~$cf::RUNTIME~deleting~";
		1301	aio_rename $path, $temp;
		1302	delete $cf::PLAYER{$pl->ob->name};
		1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
		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;
		1347	}
		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	$_
		1420	}
		1421
		1422	sub hintmode {
		1423	warn "hm<$_[0] $_[1]>\n";#d#
		1424	$_[0]{hintmode} = $_[1] if @_ > 1;
		1425	$_[0]{hintmode}
		1426	}
		1427
		1428	=item $player->ext_reply ($msgid, %msg)
		1429
		1430	Sends an ext reply to the player.
		1431
		1432	=cut
		1433
		1434	sub ext_reply($$%) {
		1435	my ($self, $id, %msg) = @_;
		1436
		1437	$msg{msgid} = $id;
		1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
		1439	}
		1440
		1441	=item $player->ext_event ($type, %msg)
		1442
		1443	Sends an ext event to the client.
		1444
		1445	=cut
		1446
		1447	sub ext_event($$%) {
		1448	my ($self, $type, %msg) = @_;
		1449
		1450	$self->ns->ext_event ($type, %msg);
		1451	}
		1452
		1453	=head3 cf::region
		1454
		1455	=over 4
		1456
		1457	=cut
		1458
		1459	package cf::region;
		1460
		1461	=item cf::region::find_by_path $path
		1462
		1463	Tries to decuce the likely region for a map knowing only its path.
		1464
		1465	=cut
		1466
		1467	sub find_by_path($) {
891	my ($path) = @_;	1468	my ($path) = @_;
892		1469
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	my ($match, $specificity);
894	my $base = $1;
895	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";
898		1471
899	warn "loading '$path' into '$pkg'\n";	1472	for my $region (list) {
900		1473	if ($region->match && $path =~ $region->match) {
901	open my $fh, "<:utf8", $path	1474	($match, $specificity) = ($region, $region->specificity)
902	or die "$path: $!";	1475	if $region->specificity > $specificity;
903		1476	}
904	my $source =
905	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })
908	. "\n};\n1";
909
910	eval $source
911	or die $@ ? "$path: $@\n"
912	: "extension disabled.\n";
913
914	push @exts, $pkg;
915	$ext_pkg{$base} = $pkg;
916
917	# no strict 'refs';
918	# @{"$pkg\::ISA"} = ext::;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	1477	}
933		1478
934	# remove commands	1479	$match
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}
959
960	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;
963	eval {
964	load_extension $ext;
965	1
966	} or warn "$ext not loaded: $@";
967	}
968	}
969
970	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007
1008	=head2 CORE EXTENSIONS
1009
1010	Functions and methods that extend core crossfire objects.
1011
1012	=head3 cf::player
1013
1014	=over 4
1015
1016	=item cf::player::exists $login
1017
1018	Returns true when the given account exists.
1019
1020	=cut
1021
1022	sub cf::player::exists($) {
1023	cf::player::find $_[0]
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1025	}
1026
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028
1029	Sends an ext reply to the player.
1030
1031	=cut
1032
1033	sub cf::player::ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;
1035
1036	$msg{msgid} = $id;
1037
1038	$self->send ("ext " . to_json \%msg);
1039	}	1480	}
1040		1481
1041	=back	1482	=back
1042
1043		1483
1044	=head3 cf::map	1484	=head3 cf::map
1045		1485
1046	=over 4	1486	=over 4
1047		1487
…		…
1050	package cf::map;	1490	package cf::map;
1051		1491
1052	use Fcntl;	1492	use Fcntl;
1053	use Coro::AIO;	1493	use Coro::AIO;
1054		1494
		1495	use overload
		1496	'""' => \&as_string,
		1497	fallback => 1;
		1498
1055	our $MAX_RESET = 7200;	1499	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1500	our $DEFAULT_RESET = 3000;
1057		1501
1058	sub generate_random_map {	1502	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1503	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1504	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1505	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1509	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1510	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1516	(cf::region::find $rmp->{region}), $rmp->{custom}
		1517	)
		1518	}
		1519
		1520	=item cf::map->register ($regex, $prio)
		1521
		1522	Register a handler for the map path matching the given regex at the
		1523	givne priority (higher is better, built-in handlers have priority 0, the
		1524	default).
		1525
		1526	=cut
		1527
		1528	sub register {
		1529	my (undef, $regex, $prio) = @_;
		1530	my $pkg = caller;
		1531
		1532	no strict;
		1533	push @{"$pkg\::ISA"}, __PACKAGE__;
		1534
		1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1536	}
		1537
		1538	# also paths starting with '/'
		1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1540
		1541	sub thawer_merge {
		1542	my ($self, $merge) = @_;
		1543
		1544	# we have to keep some variables in memory intact
		1545	local $self->{path};
		1546	local $self->{load_path};
		1547
		1548	$self->SUPER::thawer_merge ($merge);
		1549	}
		1550
		1551	sub normalise {
		1552	my ($path, $base) = @_;
		1553
		1554	$path = "$path"; # make sure its a string
		1555
		1556	$path =~ s/\.map$//;
		1557
		1558	# map plan:
		1559	#
		1560	# /! non-realised random map exit (special hack!)
		1561	# {... are special paths that are not being touched
		1562	# ?xxx/... are special absolute paths
		1563	# ?random/... random maps
		1564	# /... normal maps
		1565	# ~user/... per-player map of a specific user
		1566
		1567	$path =~ s/$PATH_SEP/\//go;
		1568
		1569	# treat it as relative path if it starts with
		1570	# something that looks reasonable
		1571	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1572	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1573
		1574	$base =~ s{[^/]+/?$}{};
		1575	$path = "$base/$path";
		1576	}
		1577
		1578	for ($path) {
		1579	redo if s{//}{/};
		1580	redo if s{/\.?/}{/};
		1581	redo if s{/[^/]+/\.\./}{/};
		1582	}
		1583
		1584	$path
		1585	}
		1586
		1587	sub new_from_path {
		1588	my (undef, $path, $base) = @_;
		1589
		1590	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1591
		1592	$path = normalise $path, $base;
		1593
		1594	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1595	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1596	my $self = bless cf::map::new, $pkg;
		1597	$self->{path} = $path; $self->path ($path);
		1598	$self->init; # pass $1 etc.
		1599	return $self;
		1600	}
		1601	}
		1602
		1603	Carp::carp "unable to resolve path '$path' (base '$base').";
		1604	()
		1605	}
		1606
		1607	sub init {
		1608	my ($self) = @_;
		1609
		1610	$self
		1611	}
		1612
		1613	sub as_string {
		1614	my ($self) = @_;
		1615
		1616	"$self->{path}"
		1617	}
		1618
		1619	# the displayed name, this is a one way mapping
		1620	sub visible_name {
		1621	&as_string
		1622	}
		1623
		1624	# the original (read-only) location
		1625	sub load_path {
		1626	my ($self) = @_;
		1627
		1628	"$MAPDIR/$self->{path}.map"
		1629	}
		1630
		1631	# the temporary/swap location
		1632	sub save_path {
		1633	my ($self) = @_;
		1634
		1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1636	"$TMPDIR/$path.map"
		1637	}
		1638
		1639	# the unique path, undef == no special unique path
		1640	sub uniq_path {
		1641	my ($self) = @_;
		1642
		1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1644	"$UNIQUEDIR/$path"
1075	}	1645	}
1076		1646
1077	# and all this just because we cannot iterate over	1647	# and all this just because we cannot iterate over
1078	# all maps in C++...	1648	# all maps in C++...
1079	sub change_all_map_light {	1649	sub change_all_map_light {
1080	my ($change) = @_;	1650	my ($change) = @_;
1081		1651
1082	$_->change_map_light ($change) for values %cf::MAP;	1652	$_->change_map_light ($change)
		1653	for grep $_->outdoor, values %cf::MAP;
1083	}	1654	}
1084		1655
		1656	sub decay_objects {
		1657	my ($self) = @_;
		1658
		1659	return if $self->{deny_reset};
		1660
		1661	$self->do_decay_objects;
		1662	}
		1663
		1664	sub unlink_save {
		1665	my ($self) = @_;
		1666
		1667	utf8::encode (my $save = $self->save_path);
		1668	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1669	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1670	}
		1671
1085	sub try_load_header($) {	1672	sub load_header_from($) {
1086	my ($path) = @_;	1673	my ($self, $path) = @_;
1087		1674
1088	utf8::encode $path;	1675	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1676	#aio_open $path, O_RDONLY, 0
		1677	# or return;
		1678
		1679	$self->_load_header ($path)
1090	or return;	1680	or return;
1091		1681
1092	my $map = cf::map::new	1682	$self->{load_path} = $path;
		1683
		1684	1
		1685	}
		1686
		1687	sub load_header_orig {
		1688	my ($self) = @_;
		1689
		1690	$self->load_header_from ($self->load_path)
		1691	}
		1692
		1693	sub load_header_temp {
		1694	my ($self) = @_;
		1695
		1696	$self->load_header_from ($self->save_path)
		1697	}
		1698
		1699	sub prepare_temp {
		1700	my ($self) = @_;
		1701
		1702	$self->last_access ((delete $self->{last_access})
		1703	|| $cf::RUNTIME); #d#
		1704	# safety
		1705	$self->{instantiate_time} = $cf::RUNTIME
		1706	if $self->{instantiate_time} > $cf::RUNTIME;
		1707	}
		1708
		1709	sub prepare_orig {
		1710	my ($self) = @_;
		1711
		1712	$self->{load_original} = 1;
		1713	$self->{instantiate_time} = $cf::RUNTIME;
		1714	$self->last_access ($cf::RUNTIME);
		1715	$self->instantiate;
		1716	}
		1717
		1718	sub load_header {
		1719	my ($self) = @_;
		1720
		1721	if ($self->load_header_temp) {
		1722	$self->prepare_temp;
		1723	} else {
		1724	$self->load_header_orig
1093	or return;	1725	or return;
		1726	$self->prepare_orig;
		1727	}
1094		1728
1095	$map->load_header ($path)	1729	$self->{deny_reset} = 1
1096	or return;	1730	if $self->no_reset;
1097		1731
1098	$map->{load_path} = $path;	1732	$self->default_region (cf::region::find_by_path $self->{path})
		1733	unless $self->default_region;
1099		1734
1100	$map	1735	1
1101	}	1736	}
1102		1737
		1738	sub find;
1103	sub find_map {	1739	sub find {
1104	my ($path, $origin) = @_;	1740	my ($path, $origin) = @_;
1105		1741
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1742	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1743
		1744	cf::lock_wait "map_find:$path";
		1745
1111	$cf::MAP{$key} || do {	1746	$cf::MAP{$path} || do {
1112	# do it the slow way	1747	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1748	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1749	or return;
1127		1750
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1751	$map->{last_save} = $cf::RUNTIME;
1139		1752
1140	if ($map->should_reset) {	1753	$map->load_header
		1754	or return;
		1755
		1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1757	# doing this can freeze the server in a sync job, obviously
		1758	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1759	$map->reset;
1142	$map = find_map $path;	1760	undef $guard;
		1761	return find $path;
1143	}	1762	}
1144		1763
1145	$cf::MAP{$key} = $map	1764	$cf::MAP{$path} = $map
1146	}	1765	}
1147	}	1766	}
		1767
		1768	sub pre_load { }
		1769	sub post_load { }
1148		1770
1149	sub load {	1771	sub load {
1150	my ($self) = @_;	1772	my ($self) = @_;
1151		1773
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1774	local $self->{deny_reset} = 1; # loading can take a long time
1153
1154	$self->in_memory (cf::MAP_LOADING);
1155		1775
1156	my $path = $self->{path};	1776	my $path = $self->{path};
1157		1777
		1778	{
		1779	my $guard = cf::lock_acquire "map_load:$path";
		1780
		1781	return if $self->in_memory != cf::MAP_SWAPPED;
		1782
		1783	$self->in_memory (cf::MAP_LOADING);
		1784
1158	$self->alloc;	1785	$self->alloc;
		1786
		1787	$self->pre_load;
		1788	Coro::cede;
		1789
1159	$self->load_objects ($self->{load_path}, 1)	1790	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1791	or return;
1161		1792
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1794	if delete $self->{load_original};
1164		1795
1165	if (my $uniq = $path->uniq_path) {	1796	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1797	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1798	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1799	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1800	$self->_load_objects ($uniq, 0);
1170	}	1801	}
1171	}	1802	}
1172		1803
		1804	Coro::cede;
1173	# now do the right thing for maps	1805	# now do the right thing for maps
1174	$self->link_multipart_objects;	1806	$self->link_multipart_objects;
1175
1176	if ($self->{path}->is_style_map) {
1177	$self->{deny_save} = 1;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;
1183	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1807	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1808	unless $self->difficulty;
		1809	Coro::cede;
		1810
		1811	unless ($self->{deny_activate}) {
		1812	$self->decay_objects;
		1813	$self->fix_auto_apply;
		1814	$self->update_buttons;
		1815	Coro::cede;
		1816	$self->set_darkness_map;
		1817	Coro::cede;
1186	$self->activate;	1818	$self->activate;
1187	}	1819	}
1188		1820
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1821	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1822	}
1191		1823
1192	sub load_map_sync {	1824	$self->post_load;
		1825	}
		1826
		1827	sub customise_for {
		1828	my ($self, $ob) = @_;
		1829
		1830	return find "~" . $ob->name . "/" . $self->{path}
		1831	if $self->per_player;
		1832
		1833	# return find "?party/" . $ob->name . "/" . $self->{path}
		1834	# if $self->per_party;
		1835
		1836	$self
		1837	}
		1838
		1839	# find and load all maps in the 3x3 area around a map
		1840	sub load_diag {
		1841	my ($map) = @_;
		1842
		1843	my @diag; # diagonal neighbours
		1844
		1845	for (0 .. 3) {
		1846	my $neigh = $map->tile_path ($_)
		1847	or next;
		1848	$neigh = find $neigh, $map
		1849	or next;
		1850	$neigh->load;
		1851
		1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1854	}
		1855
		1856	for (@diag) {
		1857	my $neigh = find @$_
		1858	or next;
		1859	$neigh->load;
		1860	}
		1861	}
		1862
		1863	sub find_sync {
1193	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1194		1865
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1866	cf::sync_job { find $path, $origin }
		1867	}
1196		1868
1197	cf::sync_job {	1869	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1870	my ($map) = @_;
1199	or return;	1871
		1872	cf::sync_job { $map->load };
		1873	}
		1874
		1875	our %MAP_PREFETCH;
		1876	our $MAP_PREFETCHER = undef;
		1877
		1878	sub find_async {
		1879	my ($path, $origin) = @_;
		1880
		1881	$path = normalise $path, $origin && $origin->{path};
		1882
		1883	if (my $map = $cf::MAP{$path}) {
		1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1885	}
		1886
		1887	undef $MAP_PREFETCH{$path};
		1888	$MAP_PREFETCHER ||= cf::async {
		1889	while (%MAP_PREFETCH) {
		1890	for my $path (keys %MAP_PREFETCH) {
		1891	my $map = find $path
		1892	or next;
1200	$map->load;	1893	$map->load;
1201	$map	1894
		1895	delete $MAP_PREFETCH{$path};
		1896	}
		1897	}
		1898	undef $MAP_PREFETCHER;
1202	}	1899	};
		1900	$MAP_PREFETCHER->prio (6);
		1901
		1902	()
1203	}	1903	}
1204		1904
1205	sub save {	1905	sub save {
1206	my ($self) = @_;	1906	my ($self) = @_;
1207		1907
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1909
1211	$self->{last_save} = $cf::RUNTIME;	1910	$self->{last_save} = $cf::RUNTIME;
1212		1911
1213	return unless $self->dirty;	1912	return unless $self->dirty;
1214		1913
		1914	my $save = $self->save_path; utf8::encode $save;
		1915	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1916
1215	$self->{load_path} = $save;	1917	$self->{load_path} = $save;
1216		1918
1217	return if $self->{deny_save};	1919	return if $self->{deny_save};
1218		1920
		1921	local $self->{last_access} = $self->last_access;#d#
		1922
		1923	cf::async {
		1924	$_->contr->save for $self->players;
		1925	};
		1926
1219	if ($uniq) {	1927	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1930	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1931	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1932	}
1225	}	1933	}
1226		1934
1227	sub swap_out {	1935	sub swap_out {
1228	my ($self) = @_;	1936	my ($self) = @_;
		1937
		1938	# save first because save cedes
		1939	$self->save;
		1940
		1941	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1942
1230	return if $self->players;	1943	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1944	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1945	return if $self->{deny_save};
1233		1946
1234	$self->save;
1235	$self->clear;	1947	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1948	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1949	}
1238		1950
1239	sub reset_at {	1951	sub reset_at {
1240	my ($self) = @_;	1952	my ($self) = @_;
1241		1953
1242	# TODO: safety, remove and allow resettable per-player maps	1954	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};
1244	return 1e100 if $self->{deny_reset};	1955	return 1e99 if $self->{deny_reset};
1245		1956
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1957	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1958	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1959
1250	$time + $to	1960	$time + $to
1251	}	1961	}
1252		1962
1253	sub should_reset {	1963	sub should_reset {
1254	my ($self) = @_;	1964	my ($self) = @_;
1255		1965
1256	$self->reset_at <= $cf::RUNTIME	1966	$self->reset_at <= $cf::RUNTIME
1257	}	1967	}
1258		1968
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1969	sub reset {
1281	my ($self) = @_;	1970	my ($self) = @_;
1282		1971
		1972	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1973
1283	return if $self->players;	1974	return if $self->players;
1284	return if $self->{path}{user_rel};#d#
1285		1975
1286	warn "resetting map ", $self->path;#d#	1976	warn "resetting map ", $self->path;
		1977
		1978	$self->in_memory (cf::MAP_SWAPPED);
		1979
		1980	# need to save uniques path
		1981	unless ($self->{deny_save}) {
		1982	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1983
		1984	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1985	if $uniq;
		1986	}
1287		1987
1288	delete $cf::MAP{$self->path};	1988	delete $cf::MAP{$self->path};
		1989
		1990	$self->clear;
1289		1991
1290	$_->clear_links_to ($self) for values %cf::MAP;	1992	$_->clear_links_to ($self) for values %cf::MAP;
1291		1993
1292	$self->unlink_save;	1994	$self->unlink_save;
1293	$self->destroy;	1995	$self->destroy;
1294	}	1996	}
1295		1997
1296	sub customise_for {	1998	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1999
1299	if ($map->per_player) {	2000	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2001	my ($self) = @_;
		2002
		2003	delete $cf::MAP{$self->path};
		2004
		2005	$self->unlink_save;
		2006
		2007	bless $self, "cf::map";
		2008	delete $self->{deny_reset};
		2009	$self->{deny_save} = 1;
		2010	$self->reset_timeout (1);
		2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2012
		2013	$cf::MAP{$self->path} = $self;
		2014
		2015	$self->reset; # polite request, might not happen
		2016	}
		2017
		2018	=item $maps = cf::map::tmp_maps
		2019
		2020	Returns an arrayref with all map paths of currently instantiated and saved
		2021	maps. May block.
		2022
		2023	=cut
		2024
		2025	sub tmp_maps() {
1301	}	2026	[
1302		2027	map {
1303	$map	2028	utf8::decode $_;
		2029	/\.map$/
		2030	? normalise $_
		2031	: ()
		2032	} @{ aio_readdir $TMPDIR or [] }
		2033	]
1304	}	2034	}
1305		2035
1306	sub emergency_save {	2036	=item $maps = cf::map::random_maps
1307	local $cf::FREEZE = 1;
1308		2037
1309	warn "enter emergency map save\n";	2038	Returns an arrayref with all map paths of currently instantiated and saved
		2039	random maps. May block.
1310		2040
1311	cf::sync_job {	2041	=cut
1312	warn "begin emergency map save\n";
1313	$_->save for values %cf::MAP;
1314	};
1315		2042
1316	warn "end emergency map save\n";	2043	sub random_maps() {
		2044	[
		2045	map {
		2046	utf8::decode $_;
		2047	/\.map$/
		2048	? normalise "?random/$_"
		2049	: ()
		2050	} @{ aio_readdir $RANDOMDIR or [] }
		2051	]
		2052	}
		2053
		2054	=item cf::map::unique_maps
		2055
		2056	Returns an arrayref of paths of all shared maps that have
		2057	instantiated unique items. May block.
		2058
		2059	=cut
		2060
		2061	sub unique_maps() {
		2062	[
		2063	map {
		2064	utf8::decode $_;
		2065	/\.map$/
		2066	? normalise $_
		2067	: ()
		2068	} @{ aio_readdir $UNIQUEDIR or [] }
		2069	]
1317	}	2070	}
1318		2071
1319	package cf;	2072	package cf;
1320		2073
1321	=back	2074	=back
1322		2075
		2076	=head3 cf::object
		2077
		2078	=cut
		2079
		2080	package cf::object;
		2081
		2082	=over 4
		2083
		2084	=item $ob->inv_recursive
		2085
		2086	Returns the inventory of the object _and_ their inventories, recursively.
		2087
		2088	=cut
		2089
		2090	sub inv_recursive_;
		2091	sub inv_recursive_ {
		2092	map { $_, inv_recursive_ $_->inv } @_
		2093	}
		2094
		2095	sub inv_recursive {
		2096	inv_recursive_ inv $_[0]
		2097	}
		2098
		2099	package cf;
		2100
		2101	=back
1323		2102
1324	=head3 cf::object::player	2103	=head3 cf::object::player
1325		2104
1326	=over 4	2105	=over 4
1327		2106
…		…
1341		2120
1342	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2121	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1343		2122
1344	if ($self->{record_replies}) {	2123	if ($self->{record_replies}) {
1345	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2124	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2125
1346	} else {	2126	} else {
		2127	my $pl = $self->contr;
		2128
		2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2130	my $diag = $pl->{npc_dialog};
		2131	$diag->{pl}->ext_reply (
		2132	$diag->{id},
		2133	msgtype => "reply",
		2134	msg => $diag->{pl}->expand_cfpod ($msg),
		2135	add_topics => []
		2136	);
		2137
		2138	} else {
1347	$msg = $npc->name . " says: $msg" if $npc;	2139	$msg = $npc->name . " says: $msg" if $npc;
1348	$self->message ($msg, $flags);	2140	$self->message ($msg, $flags);
		2141	}
1349	}	2142	}
1350	}	2143	}
1351		2144
1352	=item $player_object->may ("access")	2145	=item $player_object->may ("access")
1353		2146
…		…
1363	(ref $cf::CFG{"may_$access"}	2156	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2157	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	2158	: $cf::CFG{"may_$access"})
1366	}	2159	}
1367		2160
		2161	=item $player_object->enter_link
		2162
		2163	Freezes the player and moves him/her to a special map (C<{link}>).
		2164
		2165	The player should be reasonably safe there for short amounts of time. You
		2166	I<MUST> call C<leave_link> as soon as possible, though.
		2167
		2168	Will never block.
		2169
		2170	=item $player_object->leave_link ($map, $x, $y)
		2171
		2172	Moves the player out of the special C<{link}> map onto the specified
		2173	map. If the map is not valid (or omitted), the player will be moved back
		2174	to the location he/she was before the call to C<enter_link>, or, if that
		2175	fails, to the emergency map position.
		2176
		2177	Might block.
		2178
		2179	=cut
		2180
		2181	sub link_map {
		2182	unless ($LINK_MAP) {
		2183	$LINK_MAP = cf::map::find "{link}"
		2184	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2185	$LINK_MAP->load;
		2186	}
		2187
		2188	$LINK_MAP
		2189	}
		2190
1368	sub cf::object::player::enter_link {	2191	sub cf::object::player::enter_link {
1369	my ($self) = @_;	2192	my ($self) = @_;
1370		2193
1371	return if $self->map == $LINK_MAP;
1372
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;
1375
1376	$self->enter_map ($LINK_MAP, 20, 20);
1377	$self->deactivate_recursive;	2194	$self->deactivate_recursive;
		2195
		2196	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2197
		2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2199	if $self->map && $self->map->{path} ne "{link}";
		2200
		2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1378	}	2202	}
1379		2203
1380	sub cf::object::player::leave_link {	2204	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	2205	my ($self, $map, $x, $y) = @_;
1382		2206
		2207	return unless $self->contr->active;
		2208
1383	my $link_pos = delete $self->{_link_pos};	2209	my $link_pos = delete $self->{_link_pos};
1384		2210
1385	unless ($map) {	2211	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	2212	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	2213	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	2214	$map = cf::map::find $map;
1391		2215
1392	unless ($map) {	2216	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	2217	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	2218	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	2219	or die "FATAL: cannot load emergency map\n";
1396	}	2220	}
1397	}	2221	}
1398		2222
1399	($x, $y) = (-1, -1)	2223	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	2226	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	2227	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	2228	if $x <=0 && $y <= 0;
1405		2229
1406	$map->load;	2230	$map->load;
		2231	$map->load_diag;
1407		2232
		2233	return unless $self->contr->active;
1408	$self->activate_recursive;	2234	$self->activate_recursive;
		2235
		2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	2237	$self->enter_map ($map, $x, $y);
1410	}	2238	}
1411		2239
1412	=item $player_object->goto_map ($map, $x, $y)	2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1413		2241
1414	=cut	2242	Moves the player to the given map-path and coordinates by first freezing
		2243	her, loading and preparing them map, calling the provided $check callback
		2244	that has to return the map if sucecssful, and then unfreezes the player on
		2245	the new (success) or old (failed) map position.
1415		2246
		2247	=cut
		2248
		2249	our $GOTOGEN;
		2250
1416	sub cf::object::player::goto_map {	2251	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	2252	my ($self, $path, $x, $y, $check) = @_;
		2253
		2254	# do generation counting so two concurrent goto's will be executed in-order
		2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1418		2256
1419	$self->enter_link;	2257	$self->enter_link;
1420		2258
1421	(Coro::async {	2259	(async {
1422	$path = new cf::path $path;	2260	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	2261	my $map = cf::map::find $path;
		2262
		2263	if ($map) {
1425	$map = $map->customise_for ($self) if $map;	2264	$map = $map->customise_for ($self);
		2265	$map = $check->($map) if $check && $map;
		2266	} else {
		2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2268	}
1426		2269
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	2270	$map
		2271	};
1429		2272
		2273	if ($@) {
		2274	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2275	LOG llevError | logBacktrace, Carp::longmess $@;
		2276	}
		2277
		2278	if ($gen == $self->{_goto_generation}) {
		2279	delete $self->{_goto_generation};
1430	$self->leave_link ($map, $x, $y);	2280	$self->leave_link ($map, $x, $y);
		2281	}
1431	})->prio (1);	2282	})->prio (1);
1432	}	2283	}
1433		2284
1434	=item $player_object->enter_exit ($exit_object)	2285	=item $player_object->enter_exit ($exit_object)
1435		2286
…		…
1437		2288
1438	sub parse_random_map_params {	2289	sub parse_random_map_params {
1439	my ($spec) = @_;	2290	my ($spec) = @_;
1440		2291
1441	my $rmp = { # defaults	2292	my $rmp = { # defaults
1442	xsize => 10,	2293	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	2294	ysize => (cf::rndm 15, 40),
		2295	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2296	#layout => string,
1444	};	2297	};
1445		2298
1446	for (split /\n/, $spec) {	2299	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	2300	my ($k, $v) = split /\s+/, $_, 2;
1448		2301
…		…
1452	$rmp	2305	$rmp
1453	}	2306	}
1454		2307
1455	sub prepare_random_map {	2308	sub prepare_random_map {
1456	my ($exit) = @_;	2309	my ($exit) = @_;
		2310
		2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		2312
1458	# all this does is basically replace the /! path by	2313	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	2314	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	2315	# that depends on the exit object
1461		2316
1462	my $rmp = parse_random_map_params $exit->msg;	2317	my $rmp = parse_random_map_params $exit->msg;
1463		2318
1464	if ($exit->map) {	2319	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	2320	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	2321	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	2322	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	2323	$rmp->{origin_y} = $exit->y;
1469	}	2324	}
1470		2325
1471	$rmp->{random_seed} ||= $exit->random_seed;	2326	$rmp->{random_seed} ||= $exit->random_seed;
1472		2327
1473	my $data = cf::to_json $rmp;	2328	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	2329	my $md5 = Digest::MD5::md5_hex $data;
		2330	my $meta = "$RANDOMDIR/$md5.meta";
1475		2331
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	2333	aio_write $fh, 0, (length $data), $data, 0;
		2334	undef $fh;
		2335	aio_rename "$meta~", $meta;
1478		2336
1479	$exit->slaying ("?random/$md5");	2337	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	2338	$exit->msg (undef);
1481	}	2339	}
1482	}	2340	}
…		…
1484	sub cf::object::player::enter_exit {	2342	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	2343	my ($self, $exit) = @_;
1486		2344
1487	return unless $self->type == cf::PLAYER;	2345	return unless $self->type == cf::PLAYER;
1488		2346
		2347	if ($exit->slaying eq "/!") {
		2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2349	# the problem is that $exit might not survive long enough
		2350	# so it needs to be done right now, right here
		2351	cf::sync_job { prepare_random_map $exit };
		2352	}
		2353
		2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2355	my $hp = $exit->stats->hp;
		2356	my $sp = $exit->stats->sp;
		2357
1489	$self->enter_link;	2358	$self->enter_link;
1490		2359
1491	(Coro::async {	2360	(async {
		2361	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	2362	unless (eval {
1493		2363	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		2364
1500	1;	2365	1;
1501	}) {	2366	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	2367	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	2368	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	2369	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	2370	cf::NDI_UNIQUE | cf::NDI_RED);
1506		2371
1507	warn "ERROR in enter_exit: $@";	2372	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	2373	$self->leave_link;
1509	}	2374	}
1510	})->prio (1);	2375	})->prio (1);
…		…
1523		2388
1524	sub cf::client::send_drawinfo {	2389	sub cf::client::send_drawinfo {
1525	my ($self, $text, $flags) = @_;	2390	my ($self, $text, $flags) = @_;
1526		2391
1527	utf8::encode $text;	2392	utf8::encode $text;
1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1529	}	2394	}
1530		2395
		2396	=item $client->send_msg ($color, $type, $msg, [extra...])
		2397
		2398	Send a drawinfo or msg packet to the client, formatting the msg for the
		2399	client if neccessary. C<$type> should be a string identifying the type of
		2400	the message, with C<log> being the default. If C<$color> is negative, suppress
		2401	the message unless the client supports the msg packet.
		2402
		2403	=cut
		2404
		2405	sub cf::client::send_msg {
		2406	my ($self, $color, $type, $msg, @extra) = @_;
		2407
		2408	$msg = $self->pl->expand_cfpod ($msg);
		2409
		2410	if ($self->can_msg) {
		2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2412	} else {
		2413	# replace some tags by gcfclient-compatible ones
		2414	for ($msg) {
		2415	1 while
		2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2421	}
		2422
		2423	if ($color >= 0) {
		2424	if (0 && $msg =~ /\[/) {
		2425	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2426	} else {
		2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2428	$self->send_packet ("drawinfo $color $msg")
		2429	}
		2430	}
		2431	}
		2432	}
		2433
		2434	=item $client->ext_event ($type, %msg)
		2435
		2436	Sends an ext event to the client.
		2437
		2438	=cut
		2439
		2440	sub cf::client::ext_event($$%) {
		2441	my ($self, $type, %msg) = @_;
		2442
		2443	$msg{msgtype} = "event_$type";
		2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2445	}
1531		2446
1532	=item $success = $client->query ($flags, "text", \&cb)	2447	=item $success = $client->query ($flags, "text", \&cb)
1533		2448
1534	Queues a query to the client, calling the given callback with	2449	Queues a query to the client, calling the given callback with
1535	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2450	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1536	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2451	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1537		2452
1538	Queries can fail, so check the return code. Or don't, as queries will become	2453	Queries can fail, so check the return code. Or don't, as queries will
1539	reliable at some point in the future.	2454	become reliable at some point in the future.
1540		2455
1541	=cut	2456	=cut
1542		2457
1543	sub cf::client::query {	2458	sub cf::client::query {
1544	my ($self, $flags, $text, $cb) = @_;	2459	my ($self, $flags, $text, $cb) = @_;
…		…
1552	utf8::encode $text;	2467	utf8::encode $text;
1553	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2468	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1554		2469
1555	$self->send_packet ($self->{query_queue}[0][0])	2470	$self->send_packet ($self->{query_queue}[0][0])
1556	if @{ $self->{query_queue} } == 1;	2471	if @{ $self->{query_queue} } == 1;
		2472
		2473	1
1557	}	2474	}
1558		2475
1559	cf::client->attach (	2476	cf::client->attach (
		2477	on_connect => sub {
		2478	my ($ns) = @_;
		2479
		2480	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2481	},
1560	on_reply => sub {	2482	on_reply => sub {
1561	my ($ns, $msg) = @_;	2483	my ($ns, $msg) = @_;
1562		2484
1563	# this weird shuffling is so that direct followup queries	2485	# this weird shuffling is so that direct followup queries
1564	# get handled first	2486	# get handled first
1565	my $queue = delete $ns->{query_queue};	2487	my $queue = delete $ns->{query_queue}
		2488	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2489
1567	(shift @$queue)->[1]->($msg);	2490	(shift @$queue)->[1]->($msg);
		2491	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2492
1569	push @{ $ns->{query_queue} }, @$queue;	2493	push @{ $ns->{query_queue} }, @$queue;
1570		2494
1571	if (@{ $ns->{query_queue} } == @$queue) {	2495	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2496	if (@$queue) {
…		…
1574	} else {	2498	} else {
1575	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2499	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1576	}	2500	}
1577	}	2501	}
1578	},	2502	},
		2503	on_exticmd => sub {
		2504	my ($ns, $buf) = @_;
		2505
		2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2507
		2508	if (ref $msg) {
		2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2510	if (my %reply = $cb->($ns, $msg)) {
		2511	$reply{msgid} = $msg->{msgid};
		2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2513	}
		2514	}
		2515	} else {
		2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2517	}
		2518
		2519	cf::override;
		2520	},
1579	);	2521	);
1580		2522
1581	=item $client->coro (\&cb)	2523	=item $client->async (\&cb)
1582		2524
1583	Create a new coroutine, running the specified callback. The coroutine will	2525	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2526	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2527	or loss of connection).
1586		2528
1587	=cut	2529	=cut
1588		2530
1589	sub cf::client::coro {	2531	sub cf::client::async {
1590	my ($self, $cb) = @_;	2532	my ($self, $cb) = @_;
1591		2533
1592	my $coro; $coro = async {	2534	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2535
1599	$coro->on_destroy (sub {	2536	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2537	delete $self->{_coro}{$coro+0};
1601	});	2538	});
1602		2539
…		…
1635		2572
1636	# here we export the classes and methods available to script code	2573	# here we export the classes and methods available to script code
1637		2574
1638	=pod	2575	=pod
1639		2576
1640	The following fucntions and emthods are available within a safe environment:	2577	The following functions and methods are available within a safe environment:
1641		2578
1642	cf::object contr pay_amount pay_player map	2579	cf::object contr pay_amount pay_player map
1643	cf::object::player player	2580	cf::object::player player
1644	cf::player peaceful	2581	cf::player peaceful
1645	cf::map trigger	2582	cf::map trigger
…		…
1726	=back	2663	=back
1727		2664
1728	=cut	2665	=cut
1729		2666
1730	#############################################################################	2667	#############################################################################
		2668	# the server's init and main functions
1731		2669
1732	=head2 EXTENSION DATABASE SUPPORT	2670	sub load_facedata($) {
		2671	my ($path) = @_;
1733		2672
1734	Crossfire maintains a very simple database for extension use. It can	2673	warn "loading facedata from $path\n";
1735	currently store anything that can be serialised using Storable, which
1736	excludes objects.
1737		2674
1738	The parameter C<$family> should best start with the name of the extension	2675	my $facedata;
1739	using it, it should be unique.	2676	0 < aio_load $path, $facedata
		2677	or die "$path: $!";
1740		2678
1741	=over 4	2679	$facedata = Coro::Storable::thaw $facedata;
1742		2680
1743	=item $hashref = cf::db_get $family	2681	$facedata->{version} == 2
		2682	or cf::cleanup "$path: version mismatch, cannot proceed.";
1744		2683
1745	Return a hashref for use by the extension C<$family>, which can be
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748
1749	=item $value = cf::db_get $family => $key
1750
1751	Returns a single value from the database
1752
1753	=item cf::db_put $family => $hashref
1754
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757
1758	=item cf::db_put $family => $key => $value
1759
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770
1771	=cut
1772
1773	our $DB;
1774
1775	{
1776	my $path = cf::localdir . "/database.pst";
1777
1778	sub db_load() {
1779	warn "loading database $path\n";#d# remove later
1780	$DB = stat $path ? Storable::retrieve $path : { };
1781	}	2684	{
		2685	my $faces = $facedata->{faceinfo};
1782		2686
1783	my $pid;	2687	while (my ($face, $info) = each %$faces) {
1784		2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1785	sub db_save() {	2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
1786	warn "saving database $path\n";#d# remove later	2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
1787	waitpid $pid, 0 if $pid;	2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1788	if (0 == ($pid = fork)) {	2692	Coro::cede;
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});
1806
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}
1811
1812	sub db_get($;$) {
1813	@_ >= 2
1814	? $DB->{$_[0]}{$_[1]}
1815	: ($DB->{$_[0]} ||= { })
1816	}
1817
1818	sub db_put($$;$) {
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2693	}
1832	);
1833	}
1834		2694
1835	#############################################################################	2695	while (my ($face, $info) = each %$faces) {
1836	# the server's main()	2696	next unless $info->{smooth};
		2697	my $idx = cf::face::find $face
		2698	or next;
		2699	if (my $smooth = cf::face::find $info->{smooth}) {
		2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2701	} else {
		2702	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2703	}
		2704	Coro::cede;
		2705	}
		2706	}
		2707
		2708	{
		2709	my $anims = $facedata->{animinfo};
		2710
		2711	while (my ($anim, $info) = each %$anims) {
		2712	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2713	Coro::cede;
		2714	}
		2715
		2716	cf::anim::invalidate_all; # d'oh
		2717	}
		2718
		2719	1
		2720	}
		2721
		2722	sub reload_regions {
		2723	load_resource_file "$MAPDIR/regions"
		2724	or die "unable to load regions file\n";
		2725	}
		2726
		2727	sub reload_facedata {
		2728	load_facedata "$DATADIR/facedata"
		2729	or die "unable to load facedata\n";
		2730	}
		2731
		2732	sub reload_archetypes {
		2733	load_resource_file "$DATADIR/archetypes"
		2734	or die "unable to load archetypes\n";
		2735	#d# NEED to laod twice to resolve forward references
		2736	# this really needs to be done in an extra post-pass
		2737	# (which needs to be synchronous, so solve it differently)
		2738	load_resource_file "$DATADIR/archetypes"
		2739	or die "unable to load archetypes\n";
		2740	}
		2741
		2742	sub reload_treasures {
		2743	load_resource_file "$DATADIR/treasures"
		2744	or die "unable to load treasurelists\n";
		2745	}
		2746
		2747	sub reload_resources {
		2748	warn "reloading resource files...\n";
		2749
		2750	reload_regions;
		2751	reload_facedata;
		2752	#reload_archetypes;#d#
		2753	reload_archetypes;
		2754	reload_treasures;
		2755
		2756	warn "finished reloading resource files\n";
		2757	}
		2758
		2759	sub init {
		2760	reload_resources;
		2761	}
1837		2762
1838	sub cfg_load {	2763	sub cfg_load {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2764	open my $fh, "<:utf8", "$CONFDIR/config"
1840	or return;	2765	or return;
1841		2766
1842	local $/;	2767	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2768	*CFG = YAML::Syck::Load <$fh>;
		2769
		2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2771
		2772	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2773	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2774
		2775	if (exists $CFG{mlockall}) {
		2776	eval {
		2777	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2778	and die "WARNING: m(un)lockall failed: $!\n";
		2779	};
		2780	warn $@ if $@;
		2781	}
1844	}	2782	}
1845		2783
1846	sub main {	2784	sub main {
1847	# we must not ever block the main coroutine	2785	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2786	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2788	(async {
1851	Event::one_event;	2789	Event::one_event;
1852	})->();	2790	})->prio (Coro::PRIO_MAX);
1853	};	2791	};
1854		2792
1855	cfg_load;	2793	cfg_load;
1856	db_load;	2794	db_init;
1857	load_extensions;	2795	load_extensions;
		2796
		2797	$TICK_WATCHER->start;
1858	Event::loop;	2798	Event::loop;
1859	}	2799	}
1860		2800
1861	#############################################################################	2801	#############################################################################
1862	# initialisation	2802	# initialisation and cleanup
1863		2803
		2804	# install some emergency cleanup handlers
		2805	BEGIN {
		2806	for my $signal (qw(INT HUP TERM)) {
		2807	Event->signal (
		2808	reentrant => 0,
		2809	data => WF_AUTOCANCEL,
		2810	signal => $signal,
		2811	prio => 0,
		2812	cb => sub {
		2813	cf::cleanup "SIG$signal";
		2814	},
		2815	);
		2816	}
		2817	}
		2818
		2819	sub write_runtime {
		2820	my $runtime = "$LOCALDIR/runtime";
		2821
		2822	# first touch the runtime file to show we are still running:
		2823	# the fsync below can take a very very long time.
		2824
		2825	IO::AIO::aio_utime $runtime, undef, undef;
		2826
		2827	my $guard = cf::lock_acquire "write_runtime";
		2828
		2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2830	or return;
		2831
		2832	my $value = $cf::RUNTIME + 90 + 10;
		2833	# 10 is the runtime save interval, for a monotonic clock
		2834	# 60 allows for the watchdog to kill the server.
		2835
		2836	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2837	and return;
		2838
		2839	# always fsync - this file is important
		2840	aio_fsync $fh
		2841	and return;
		2842
		2843	# touch it again to show we are up-to-date
		2844	aio_utime $fh, undef, undef;
		2845
		2846	close $fh
		2847	or return;
		2848
		2849	aio_rename "$runtime~", $runtime
		2850	and return;
		2851
		2852	warn "runtime file written.\n";
		2853
		2854	1
		2855	}
		2856
		2857	sub emergency_save() {
		2858	my $freeze_guard = cf::freeze_mainloop;
		2859
		2860	warn "enter emergency perl save\n";
		2861
		2862	cf::sync_job {
		2863	# use a peculiar iteration method to avoid tripping on perl
		2864	# refcount bugs in for. also avoids problems with players
		2865	# and maps saved/destroyed asynchronously.
		2866	warn "begin emergency player save\n";
		2867	for my $login (keys %cf::PLAYER) {
		2868	my $pl = $cf::PLAYER{$login} or next;
		2869	$pl->valid or next;
		2870	$pl->save;
		2871	}
		2872	warn "end emergency player save\n";
		2873
		2874	warn "begin emergency map save\n";
		2875	for my $path (keys %cf::MAP) {
		2876	my $map = $cf::MAP{$path} or next;
		2877	$map->valid or next;
		2878	$map->save;
		2879	}
		2880	warn "end emergency map save\n";
		2881
		2882	warn "begin emergency database checkpoint\n";
		2883	BDB::db_env_txn_checkpoint $DB_ENV;
		2884	warn "end emergency database checkpoint\n";
		2885	};
		2886
		2887	warn "leave emergency perl save\n";
		2888	}
		2889
		2890	sub post_cleanup {
		2891	my ($make_core) = @_;
		2892
		2893	warn Carp::longmess "post_cleanup backtrace"
		2894	if $make_core;
		2895	}
		2896
1864	sub reload() {	2897	sub do_reload_perl() {
1865	# can/must only be called in main	2898	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2899	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2900	warn "can only reload from main coroutine";
1868	return;	2901	return;
1869	}	2902	}
1870		2903
1871	warn "reloading...";	2904	warn "reloading...";
1872		2905
1873	local $FREEZE = 1;	2906	warn "entering sync_job";
		2907
		2908	cf::sync_job {
		2909	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	2910	cf::emergency_save;
		2911	cf::write_runtime; # external watchdog should not bark
1875		2912
1876	eval {	2913	warn "syncing database to disk";
		2914	BDB::db_env_txn_checkpoint $DB_ENV;
		2915
1877	# if anything goes wrong in here, we should simply crash as we already saved	2916	# if anything goes wrong in here, we should simply crash as we already saved
1878		2917
1879	# cancel all watchers	2918	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2919	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2920	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2921	}
1883		2922
		2923	warn "flushing outstanding aio requests";
		2924	for (;;) {
		2925	BDB::flush;
		2926	IO::AIO::flush;
		2927	Coro::cede;
		2928	last unless IO::AIO::nreqs || BDB::nreqs;
		2929	warn "iterate...";
		2930	}
		2931
		2932	++$RELOAD;
		2933
1884	# cancel all extension coros	2934	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2935	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2936	%EXT_CORO = ();
1887		2937
1888	# unload all extensions	2938	warn "removing commands";
1889	for (@exts) {	2939	%COMMAND = ();
		2940
		2941	warn "removing ext/exti commands";
		2942	%EXTCMD = ();
		2943	%EXTICMD = ();
		2944
		2945	warn "unloading/nuking all extensions";
		2946	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2947	warn "... unloading $pkg";
1891	unload_extension $_;	2948
		2949	if (my $cb = $pkg->can ("unload")) {
		2950	eval {
		2951	$cb->($pkg);
		2952	1
		2953	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2954	}
1893		2955
		2956	warn "... nuking $pkg";
		2957	Symbol::delete_package $pkg;
		2958	}
		2959
1894	# unload all modules loaded from $LIBDIR	2960	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2961	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2963
1898	warn "removing <$k>";	2964	warn "... unloading $k";
1899	delete $INC{$k};	2965	delete $INC{$k};
1900		2966
1901	$k =~ s/\.pm$//;	2967	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2968	$k =~ s/\//::/g;
1903		2969
…		…
1906	}	2972	}
1907		2973
1908	Symbol::delete_package $k;	2974	Symbol::delete_package $k;
1909	}	2975	}
1910		2976
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2977	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2978	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2979	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2980
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2981	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2982	delete $INC{"cf.pm"};
		2983	delete $INC{"cf/pod.pm"};
1924		2984
1925	# don't, removes xs symbols, too,	2985	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2986	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2987	#Symbol::delete_package __PACKAGE__;
1928		2988
1929	# reload cf.pm	2989	warn "unload completed, starting to reload now";
		2990
1930	warn "reloading cf.pm";	2991	warn "reloading cf.pm";
1931	require cf;	2992	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2994
1934	# load config and database again	2995	warn "loading config and database again";
1935	cf::cfg_load;	2996	cf::cfg_load;
1936	cf::db_load;
1937		2997
1938	# load extensions
1939	warn "load extensions";	2998	warn "loading extensions";
1940	cf::load_extensions;	2999	cf::load_extensions;
1941		3000
1942	# reattach attachments to objects	3001	warn "reattaching attachments to objects/players";
1943	warn "reattach";	3002	_global_reattach; # objects, sockets
1944	_global_reattach;	3003	warn "reattaching attachments to maps";
1945	};	3004	reattach $_ for values %MAP;
		3005	warn "reattaching attachments to players";
		3006	reattach $_ for values %PLAYER;
1946		3007
1947	if ($@) {	3008	warn "leaving sync_job";
		3009
		3010	1
		3011	} or do {
1948	warn $@;	3012	warn $@;
1949	warn "error while reloading, exiting.";	3013	warn "error while reloading, exiting.";
1950	exit 1;	3014	exit 1;
1951	}	3015	};
1952		3016
1953	warn "reloaded successfully";	3017	warn "reloaded";
1954	};	3018	};
1955		3019
1956	#############################################################################	3020	our $RELOAD_WATCHER; # used only during reload
1957		3021
1958	unless ($LINK_MAP) {	3022	sub reload_perl() {
1959	$LINK_MAP = cf::map::new;	3023	# doing reload synchronously and two reloads happen back-to-back,
		3024	# coro crashes during coro_state_free->destroy here.
1960		3025
1961	$LINK_MAP->width (41);	3026	$RELOAD_WATCHER ||= Event->timer (
1962	$LINK_MAP->height (41);	3027	reentrant => 0,
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,	3028	after => 0,
		3029	data => WF_AUTOCANCEL,
1971	cb => sub {	3030	cb => sub {
1972	$_[0]->w->cancel;	3031	do_reload_perl;
1973		3032	undef $RELOAD_WATCHER;
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});	3033	},
1992		3034	);
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}	3035	}
1998
1999	register "<global>", __PACKAGE__;
2000		3036
2001	register_command "reload" => sub {	3037	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	3038	my ($who, $arg) = @_;
2003		3039
2004	if ($who->flag (FLAG_WIZ)) {	3040	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");
2006	reload;
2007	$who->message ("end of reload.");	3041	$who->message ("reloading server.");
		3042	async { reload_perl };
2008	}	3043	}
2009	};	3044	};
2010		3045
2011	unshift @INC, $LIBDIR;	3046	unshift @INC, $LIBDIR;
2012		3047
		3048	my $bug_warning = 0;
		3049
		3050	our @WAIT_FOR_TICK;
		3051	our @WAIT_FOR_TICK_BEGIN;
		3052
		3053	sub wait_for_tick {
		3054	return unless $TICK_WATCHER->is_active;
		3055	return if $Coro::current == $Coro::main;
		3056
		3057	my $signal = new Coro::Signal;
		3058	push @WAIT_FOR_TICK, $signal;
		3059	$signal->wait;
		3060	}
		3061
		3062	sub wait_for_tick_begin {
		3063	return unless $TICK_WATCHER->is_active;
		3064	return if $Coro::current == $Coro::main;
		3065
		3066	my $signal = new Coro::Signal;
		3067	push @WAIT_FOR_TICK_BEGIN, $signal;
		3068	$signal->wait;
		3069	}
		3070
		3071	my $min = 1e6;#d#
		3072	my $avg = 10;
2013	$TICK_WATCHER = Event->timer (	3073	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	3074	reentrant => 0,
		3075	parked => 1,
2015	prio => 0,	3076	prio => 0,
2016	at => $NEXT_TICK || $TICK,	3077	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	3078	data => WF_AUTOCANCEL,
2018	cb => sub {	3079	cb => sub {
2019	unless ($FREEZE) {	3080	if ($Coro::current != $Coro::main) {
		3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3082	unless ++$bug_warning > 10;
		3083	return;
		3084	}
		3085
		3086	$NOW = $tick_start = Event::time;
		3087
2020	cf::server_tick; # one server iteration	3088	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	3089
		3090	0 && sync_job {#d#
		3091	for(1..10) {
		3092	my $t = Event::time;
		3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3094	or die;
		3095
		3096	$map->width (50);
		3097	$map->height (50);
		3098	$map->alloc;
		3099	$map->_load_objects ("/tmp/x.map", 1);
		3100	my $t = Event::time - $t;
		3101
		3102	#next unless $t < 0.0013;#d#
		3103	if ($t < $min) {
		3104	$min = $t;
		3105	}
		3106	$avg = $avg * 0.99 + $t * 0.01;
		3107	}
		3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3109	exit 0;
		3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2022	}	3111	};
2023		3112
		3113	$RUNTIME += $TICK;
2024	$NEXT_TICK += $TICK;	3114	$NEXT_TICK += $TICK;
2025		3115
		3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3118	Coro::async_pool {
		3119	write_runtime
		3120	or warn "ERROR: unable to write runtime file: $!";
		3121	};
		3122	}
		3123
		3124	# my $AFTER = Event::time;
		3125	# warn $AFTER - $NOW;#d#
		3126
		3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3128	$sig->send;
		3129	}
		3130	while (my $sig = shift @WAIT_FOR_TICK) {
		3131	$sig->send;
		3132	}
		3133
		3134	$NOW = Event::time;
		3135
2026	# if we are delayed by four ticks or more, skip them all	3136	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2028		3138
2029	$TICK_WATCHER->at ($NEXT_TICK);	3139	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	3140	$TICK_WATCHER->start;
		3141
		3142	$LOAD = ($NOW - $tick_start) / $TICK;
		3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3144
		3145	_post_tick;
		3146
		3147
2031	},	3148	},
2032	);	3149	);
2033		3150
		3151	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	3152	BDB::max_poll_time $TICK * 0.1;
2035		3153	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	3154	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	3155	fd => BDB::poll_fileno,
2038	poll => 'r',	3156	poll => 'r',
2039	prio => 5,	3157	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2046	after => 0,	3159	cb => \&BDB::poll_cb,
2047	interval => 10,	3160	);
2048	cb => sub {	3161	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	3162
2050	write_runtime	3163	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	3164	my $status;
		3165	my $current = $Coro::current;
		3166	(
		3167	sub {
		3168	$status = $!;
		3169	$current->ready; undef $current;
		3170	},
		3171	sub {
		3172	Coro::schedule while defined $current;
		3173	$! = $status;
		3174	},
		3175	)
		3176	};
		3177
		3178	unless ($DB_ENV) {
		3179	$DB_ENV = BDB::db_env_create;
		3180
		3181	cf::sync_job {
		3182	eval {
		3183	BDB::db_env_open
		3184	$DB_ENV,
		3185	$BDBDIR,
		3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3188	0666;
		3189
		3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3191
		3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3193	$DB_ENV->set_lk_detect;
		3194	};
		3195
		3196	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	3197	};
2053	},	3198	}
2054	);	3199	}
		3200
		3201	{
		3202	IO::AIO::min_parallel 8;
		3203
		3204	undef $Coro::AIO::WATCHER;
		3205	IO::AIO::max_poll_time $TICK * 0.1;
		3206	$AIO_POLL_WATCHER = Event->io (
		3207	reentrant => 0,
		3208	data => WF_AUTOCANCEL,
		3209	fd => IO::AIO::poll_fileno,
		3210	poll => 'r',
		3211	prio => 6,
		3212	cb => \&IO::AIO::poll_cb,
		3213	);
		3214	}
		3215
		3216	my $_log_backtrace;
		3217
		3218	sub _log_backtrace {
		3219	my ($msg, @addr) = @_;
		3220
		3221	$msg =~ s/\n//;
		3222
		3223	# limit the # of concurrent backtraces
		3224	if ($_log_backtrace < 2) {
		3225	++$_log_backtrace;
		3226	async {
		3227	my @bt = fork_call {
		3228	@addr = map { sprintf "%x", $_ } @addr;
		3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3231	or die "addr2line: $!";
		3232
		3233	my @funcs;
		3234	my @res = <$fh>;
		3235	chomp for @res;
		3236	while (@res) {
		3237	my ($func, $line) = splice @res, 0, 2, ();
		3238	push @funcs, "[$func] $line";
		3239	}
		3240
		3241	@funcs
		3242	};
		3243
		3244	LOG llevInfo, "[ABT] $msg\n";
		3245	LOG llevInfo, "[ABT] $_\n" for @bt;
		3246	--$_log_backtrace;
		3247	};
		3248	} else {
		3249	LOG llevInfo, "[ABT] $msg\n";
		3250	LOG llevInfo, "[ABT] [suppressed]\n";
		3251	}
		3252	}
		3253
		3254	# load additional modules
		3255	use cf::pod;
		3256
		3257	END { cf::emergency_save }
2055		3258
2056	1	3259	1
2057		3260

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