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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.265 by root, Fri May 11 08:00:00 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 BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		94
		95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		96	our $LOADAVG; # same thing, but with alpha-smoothing
		97	our $tick_start; # for load detecting purposes
61		98
62	binmode STDOUT;	99	binmode STDOUT;
63	binmode STDERR;	100	binmode STDERR;
64		101
65	# read virtual server time, if available	102	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
70	}	107	}
71		108
72	mkdir cf::localdir;	109	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		111
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
81		115
82	#############################################################################	116	#############################################################################
83		117
84	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
85		119
…		…
92	=item $cf::RUNTIME	126	=item $cf::RUNTIME
93		127
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	128	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	129	every server tick.
96		130
97	=item $cf::LIBDIR	131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		134
99	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		137	unique-items directory, player file directory, random maps directory and
		138	database environment.
101		139
102	=item $cf::NOW	140	=item $cf::NOW
103		141
104	The time of the last (current) server tick.	142	The time of the last (current) server tick.
105		143
106	=item $cf::TICK	144	=item $cf::TICK
107		145
108	The interval between server ticks, in seconds.	146	The interval between server ticks, in seconds.
		147
		148	=item $cf::LOADAVG
		149
		150	The current CPU load on the server (alpha-smoothed), as a value between 0
		151	(none) and 1 (overloaded), indicating how much time is spent on processing
		152	objects per tick. Healthy values are < 0.5.
		153
		154	=item $cf::LOAD
		155
		156	The raw value load value from the last tick.
109		157
110	=item %cf::CFG	158	=item %cf::CFG
111		159
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	161	from wherever your confdir points to.
114		162
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		164
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	166	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		168
122	=back	169	=back
123		170
124	=cut	171	=cut
125		172
126	BEGIN {	173	BEGIN {
127	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	175	my $msg = join "", @_;
129	utf8::encode $msg;
130		176
131	$msg .= "\n"	177	$msg .= "\n"
132	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
133		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
134	LOG llevError, $msg;	183	LOG llevError, $msg;
135	};	184	};
136	}	185	}
137		186
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	205	}
157		206
158	$Event::DIED = sub {	207	$Event::DIED = sub {
159	warn "error in event callback: @_";	208	warn "error in event callback: @_";
160	};	209	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		210
166	=head2 UTILITY FUNCTIONS	211	=head2 UTILITY FUNCTIONS
167		212
168	=over 4	213	=over 4
169		214
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	234	$d
190	} || "[unable to dump $_[0]: '$@']";	235	} || "[unable to dump $_[0]: '$@']";
191	}	236	}
192		237
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		239
195	=item $ref = cf::from_json $json	240	=item $ref = cf::from_json $json
196		241
197	Converts a JSON string into the corresponding perl data structure.	242	Converts a JSON string into the corresponding perl data structure.
198		243
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	244	=item $json = cf::to_json $ref
207		245
208	Converts a perl data structure into its JSON representation.	246	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		247
217	=item cf::lock_wait $string	248	=item cf::lock_wait $string
218		249
219	Wait until the given lock is available. See cf::lock_acquire.	250	Wait until the given lock is available. See cf::lock_acquire.
220		251
…		…
226	returned.	257	returned.
227		258
228	Lock names should begin with a unique identifier (for example, cf::map::find	259	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	260	uses map_find and cf::map::load uses map_load).
230		261
		262	=item $locked = cf::lock_active $string
		263
		264	Return true if the lock is currently active, i.e. somebody has locked it.
		265
231	=cut	266	=cut
232		267
233	our %LOCK;	268	our %LOCK;
234		269
235	sub lock_wait($) {	270	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	289	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	290	$_->ready for @{ delete $LOCK{$key} };
256	}	291	}
257	}	292	}
258		293
		294	sub lock_active($) {
		295	my ($key) = @_;
		296
		297	! ! $LOCK{$key}
		298	}
		299
259	sub freeze_mainloop {	300	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	301	return unless $TICK_WATCHER->is_active;
261		302
262	my $guard = Coro::guard { $TICK_WATCHER->start };	303	my $guard = Coro::guard {
		304	$TICK_WATCHER->start;
		305	};
263	$TICK_WATCHER->stop;	306	$TICK_WATCHER->stop;
264	$guard	307	$guard
265	}	308	}
266		309
267	=item cf::async { BLOCK }	310	=item cf::async { BLOCK }
…		…
289		332
290	sub sync_job(&) {	333	sub sync_job(&) {
291	my ($job) = @_;	334	my ($job) = @_;
292		335
293	if ($Coro::current == $Coro::main) {	336	if ($Coro::current == $Coro::main) {
		337	my $time = Event::time;
		338
294	# this is the main coro, too bad, we have to block	339	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	340	# till the operation succeeds, freezing the server :/
296		341
297	# TODO: use suspend/resume instead	342	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	343	# (but this is cancel-safe)
…		…
309		354
310	while ($busy) {	355	while ($busy) {
311	Coro::cede or Event::one_event;	356	Coro::cede or Event::one_event;
312	}	357	}
313		358
		359	$time = Event::time - $time;
		360
		361	LOG llevError | logBacktrace, "long sync job\n"
		362	if $time > $TICK * 0.5;
		363
		364	$tick_start += $time; # do not account sync jobs to server load
		365
314	wantarray ? @res : $res[0]	366	wantarray ? @res : $res[0]
315	} else {	367	} else {
316	# we are in another coroutine, how wonderful, everything just works	368	# we are in another coroutine, how wonderful, everything just works
317		369
318	$job->()	370	$job->()
319	}	371	}
320	}	372	}
321		373
322	=item $coro = cf::async_ext { BLOCK }	374	=item $coro = cf::async_ext { BLOCK }
323		375
324	Like async, but this coro is automcatially being canceled when the	376	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	377	extension calling this is being unloaded.
326		378
327	=cut	379	=cut
328		380
329	sub async_ext(&) {	381	sub async_ext(&) {
…		…
338		390
339	$coro	391	$coro
340	}	392	}
341		393
342	sub write_runtime {	394	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	395	my $runtime = "$LOCALDIR/runtime";
		396
		397	# first touch the runtime file to show we are still running:
		398	# the fsync below can take a very very long time.
		399
		400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		401	utime undef, undef, $fh;
		402	}
		403
		404	my $guard = cf::lock_acquire "write_runtime";
344		405
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	407	or return;
347		408
		409	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	410	# 10 is the runtime save interval, for a monotonic clock
		411	# 60 allows for the watchdog to kill the server.
		412
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	413	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	414	and return;
351		415
		416	# always fsync - this file is important
352	aio_fsync $fh	417	aio_fsync $fh
353	and return;	418	and return;
354		419
		420	# touch it again to show we are up-to-date
		421	utime undef, undef, $fh;
		422
355	close $fh	423	close $fh
356	or return;	424	or return;
357		425
358	aio_rename "$runtime~", $runtime	426	aio_rename "$runtime~", $runtime
359	and return;	427	and return;
360		428
		429	warn "runtime file written.\n";#d#
		430
361	1	431	1
362	}	432	}
363		433
		434	=item cf::datalog type => key => value, ...
		435
		436	Log a datalog packet of the given type with the given key-value pairs.
		437
		438	=cut
		439
		440	sub datalog($@) {
		441	my ($type, %kv) = @_;
		442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		443	}
		444
364	=back	445	=back
365		446
366	=cut	447	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		448
495	#############################################################################	449	#############################################################################
496		450
497	=head2 ATTACHABLE OBJECTS	451	=head2 ATTACHABLE OBJECTS
498		452
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	578	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	579	our @CB_MAP = ();
626		580
627	my %attachment;	581	my %attachment;
628		582
		583	sub cf::attachable::thawer_merge {
		584	# simply override everything except _meta
		585	local $_[0]{_meta};
		586	%{$_[0]} = %{$_[1]};
		587	}
		588
629	sub _attach_cb($$$$) {	589	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	590	my ($registry, $event, $prio, $cb) = @_;
631		591
632	use sort 'stable';	592	use sort 'stable';
633		593
…		…
804	# object support	764	# object support
805		765
806	sub reattach {	766	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	767	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	768	my ($obj) = @_;
		769
		770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		771
810	my $registry = $obj->registry;	772	my $registry = $obj->registry;
811		773
812	@$registry = ();	774	@$registry = ();
813		775
…		…
860	$filename, length $$rdata, scalar @$objs;	822	$filename, length $$rdata, scalar @$objs;
861		823
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	825	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	827	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	828	close $fh;
867		829
868	if (@$objs) {	830	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	832	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	833	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	834	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	835	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	836	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	837	aio_rename "$filename.pst~", "$filename.pst";
876	}	838	}
877	} else {	839	} else {
878	aio_unlink "$filename.pst";	840	aio_unlink "$filename.pst";
…		…
945	=cut	907	=cut
946		908
947	sub register_extcmd {	909	sub register_extcmd {
948	my ($name, $cb) = @_;	910	my ($name, $cb) = @_;
949		911
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	912	$EXTCMD{$name} = $cb;
954	}	913	}
955		914
956	cf::player->attach (	915	cf::player->attach (
957	on_command => sub {	916	on_command => sub {
958	my ($pl, $name, $params) = @_;	917	my ($pl, $name, $params) = @_;
…		…
971		930
972	my $msg = eval { from_json $buf };	931	my $msg = eval { from_json $buf };
973		932
974	if (ref $msg) {	933	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	935	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	936	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	937	}
979	}	938	}
980	} else {	939	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		942
984	cf::override;	943	cf::override;
985	},	944	},
986	);	945	);
987		946
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	947	sub load_extension {
995	my ($path) = @_;	948	my ($path) = @_;
996		949
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	951	my $base = $1;
999	my $pkg = $1;	952	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	953	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	954	$pkg = "ext::$pkg";
1002		955
1003	warn "loading '$path' into '$pkg'\n";	956	warn "... loading '$path' into '$pkg'\n";
1004		957
1005	open my $fh, "<:utf8", $path	958	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	959	or die "$path: $!";
1007		960
1008	my $source =	961	my $source =
1009	"package $pkg; use strict; use utf8;\n"	962	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	963	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	964	. (do { local $/; <$fh> })
1012	. "\n};\n1";	965	. "\n};\n1";
1013		966
1014	eval $source	967	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	968	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	969	: "extension disabled.\n";
1017		970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	971	warn $@;
1019	$ext_pkg{$base} = $pkg;	972	warn "mandatory extension failed to load, exiting.\n";
1020		973	exit 1;
1021	# no strict 'refs';	974	}
1022	# @{"$pkg\::ISA"} = ext::;	975	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	976	}
1037		977
1038	# remove commands	978	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	979	}
1063		980
1064	sub load_extensions {	981	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	982	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	983	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	987	} or warn "$ext not loaded: $@";
1071	}	988	}
1072	}	989	}
1073		990
1074	#############################################################################	991	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		992
1090	=head2 CORE EXTENSIONS	993	=head2 CORE EXTENSIONS
1091		994
1092	Functions and methods that extend core crossfire objects.	995	Functions and methods that extend core crossfire objects.
1093		996
…		…
1106	Returns the given player object, loading it if necessary (might block).	1009	Returns the given player object, loading it if necessary (might block).
1107		1010
1108	=cut	1011	=cut
1109		1012
1110	sub playerdir($) {	1013	sub playerdir($) {
1111	cf::localdir	1014	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1015	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1016	}
1117		1017
1118	sub path($) {	1018	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1019	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1020
1121	(playerdir $login) . "/$login.pl"	1021	(playerdir $login) . "/playerdata"
1122	}	1022	}
1123		1023
1124	sub find_active($) {	1024	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1025	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1026	and $cf::PLAYER{$_[0]}->active
…		…
1129		1029
1130	sub exists($) {	1030	sub exists($) {
1131	my ($login) = @_;	1031	my ($login) = @_;
1132		1032
1133	$cf::PLAYER{$login}	1033	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1034	or cf::sync_job { !aio_stat path $login }
1135	}	1035	}
1136		1036
1137	sub find($) {	1037	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1038	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1039	my $login = $_[0];
1140		1040
1141	my $guard = cf::lock_acquire "user_find:$login";	1041	my $guard = cf::lock_acquire "user_find:$login";
1142		1042
1143	$cf::PLAYER{$_[0]} || do {	1043	$cf::PLAYER{$_[0]} || do {
		1044	# rename old playerfiles to new ones
		1045	#TODO: remove when no longer required
		1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1049	aio_unlink +(playerdir $login) . "/$login.pl";
		1050
1144	my $pl = load_pl path $login	1051	my $pl = load_pl path $login
1145	or return;	1052	or return;
1146	$cf::PLAYER{$login} = $pl	1053	$cf::PLAYER{$login} = $pl
1147	}	1054	}
1148	}	1055	}
…		…
1185		1092
1186	=cut	1093	=cut
1187		1094
1188	sub quit_character {	1095	sub quit_character {
1189	my ($pl) = @_;	1096	my ($pl) = @_;
		1097
		1098	my $name = $pl->ob->name;
1190		1099
1191	$pl->{deny_save} = 1;	1100	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1101	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1102
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1108	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1109	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1110	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1111	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1112	$pl->destroy;
		1113
		1114	my $prefix = qr<^~\Q$name\E/>;
		1115
		1116	# nuke player maps
		1117	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1118
1204	IO::AIO::aio_rmtree $temp;	1119	IO::AIO::aio_rmtree $temp;
		1120	}
		1121
		1122	=item $pl->kick
		1123
		1124	Kicks a player out of the game. This destroys the connection.
		1125
		1126	=cut
		1127
		1128	sub kick {
		1129	my ($pl, $kicker) = @_;
		1130
		1131	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1132	$pl->killer ("kicked");
		1133	$pl->ns->destroy;
1205	}	1134	}
1206		1135
1207	=item cf::player::list_logins	1136	=item cf::player::list_logins
1208		1137
1209	Returns am arrayref of all valid playernames in the system, can take a	1138	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1139	while and may block, so not sync_job-capable, ever.
1211		1140
1212	=cut	1141	=cut
1213		1142
1214	sub list_logins {	1143	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1144	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1145	or return [];
1217		1146
1218	my @logins;	1147	my @logins;
1219		1148
1220	for my $login (@$dirs) {	1149	for my $login (@$dirs) {
…		…
1229	\@logins	1158	\@logins
1230	}	1159	}
1231		1160
1232	=item $player->maps	1161	=item $player->maps
1233		1162
1234	Returns an arrayref of cf::path's of all maps that are private for this	1163	Returns an arrayref of map paths that are private for this
1235	player. May block.	1164	player. May block.
1236		1165
1237	=cut	1166	=cut
1238		1167
1239	sub maps($) {	1168	sub maps($) {
1240	my ($pl) = @_;	1169	my ($pl) = @_;
		1170
		1171	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1172
1242	my $files = aio_readdir playerdir $pl	1173	my $files = aio_readdir playerdir $pl
1243	or return;	1174	or return;
1244		1175
1245	my @paths;	1176	my @paths;
…		…
1247	for (@$files) {	1178	for (@$files) {
1248	utf8::decode $_;	1179	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1180	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1181	next unless /^$PATH_SEP/o;
1251		1182
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1183	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1184	}
1254		1185
1255	\@paths	1186	\@paths
1256	}	1187	}
1257		1188
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1189	=item $player->ext_reply ($msgid, %msg)
1259		1190
1260	Sends an ext reply to the player.	1191	Sends an ext reply to the player.
1261		1192
1262	=cut	1193	=cut
1263		1194
1264	sub ext_reply($$$%) {	1195	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1196	my ($self, $id, %msg) = @_;
1266		1197
1267	$msg{msgid} = $id;	1198	$msg{msgid} = $id;
1268		1199
1269	$self->send ("ext " . cf::to_json \%msg);	1200	$self->send ("ext " . cf::to_json \%msg);
1270	}	1201	}
1271		1202
1272	package cf;	1203	=item $player->ext_event ($type, %msg)
		1204
		1205	Sends an ext event to the client.
		1206
		1207	=cut
		1208
		1209	sub ext_event($$%) {
		1210	my ($self, $type, %msg) = @_;
		1211
		1212	$self->ns->ext_event ($type, %msg);
		1213	}
		1214
		1215	=head3 cf::region
		1216
		1217	=over 4
		1218
		1219	=cut
		1220
		1221	package cf::region;
		1222
		1223	=item cf::region::find_by_path $path
		1224
		1225	Tries to decuce the probable region for a map knowing only its path.
		1226
		1227	=cut
		1228
		1229	sub find_by_path($) {
		1230	my ($path) = @_;
		1231
		1232	my ($match, $specificity);
		1233
		1234	for my $region (list) {
		1235	if ($region->match && $path =~ $region->match) {
		1236	($match, $specificity) = ($region, $region->specificity)
		1237	if $region->specificity > $specificity;
		1238	}
		1239	}
		1240
		1241	$match
		1242	}
1273		1243
1274	=back	1244	=back
1275
1276		1245
1277	=head3 cf::map	1246	=head3 cf::map
1278		1247
1279	=over 4	1248	=over 4
1280		1249
…		…
1283	package cf::map;	1252	package cf::map;
1284		1253
1285	use Fcntl;	1254	use Fcntl;
1286	use Coro::AIO;	1255	use Coro::AIO;
1287		1256
		1257	use overload
		1258	'""' => \&as_string,
		1259	fallback => 1;
		1260
1288	our $MAX_RESET = 3600;	1261	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1262	our $DEFAULT_RESET = 3000;
1290		1263
1291	sub generate_random_map {	1264	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1265	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1266	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1267	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1271	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1272	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1278	(cf::region::find $rmp->{region}), $rmp->{custom}
		1279	)
		1280	}
		1281
		1282	=item cf::map->register ($regex, $prio)
		1283
		1284	Register a handler for the map path matching the given regex at the
		1285	givne priority (higher is better, built-in handlers have priority 0, the
		1286	default).
		1287
		1288	=cut
		1289
		1290	sub register {
		1291	my (undef, $regex, $prio) = @_;
		1292	my $pkg = caller;
		1293
		1294	no strict;
		1295	push @{"$pkg\::ISA"}, __PACKAGE__;
		1296
		1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1298	}
		1299
		1300	# also paths starting with '/'
		1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1302
		1303	sub thawer_merge {
		1304	my ($self, $merge) = @_;
		1305
		1306	# we have to keep some variables in memory intact
		1307	local $self->{path};
		1308	local $self->{load_path};
		1309	local $self->{deny_save};
		1310	local $self->{deny_reset};
		1311
		1312	$self->SUPER::thawer_merge ($merge);
		1313	}
		1314
		1315	sub normalise {
		1316	my ($path, $base) = @_;
		1317
		1318	$path = "$path"; # make sure its a string
		1319
		1320	$path =~ s/\.map$//;
		1321
		1322	# map plan:
		1323	#
		1324	# /! non-realised random map exit (special hack!)
		1325	# {... are special paths that are not being touched
		1326	# ?xxx/... are special absolute paths
		1327	# ?random/... random maps
		1328	# /... normal maps
		1329	# ~user/... per-player map of a specific user
		1330
		1331	$path =~ s/$PATH_SEP/\//go;
		1332
		1333	# treat it as relative path if it starts with
		1334	# something that looks reasonable
		1335	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1336	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1337
		1338	$base =~ s{[^/]+/?$}{};
		1339	$path = "$base/$path";
		1340	}
		1341
		1342	for ($path) {
		1343	redo if s{//}{/};
		1344	redo if s{/\.?/}{/};
		1345	redo if s{/[^/]+/\.\./}{/};
		1346	}
		1347
		1348	$path
		1349	}
		1350
		1351	sub new_from_path {
		1352	my (undef, $path, $base) = @_;
		1353
		1354	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1355
		1356	$path = normalise $path, $base;
		1357
		1358	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1359	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1360	my $self = bless cf::map::new, $pkg;
		1361	$self->{path} = $path; $self->path ($path);
		1362	$self->init; # pass $1 etc.
		1363	return $self;
		1364	}
		1365	}
		1366
		1367	Carp::carp "unable to resolve path '$path' (base '$base').";
		1368	()
		1369	}
		1370
		1371	sub init {
		1372	my ($self) = @_;
		1373
		1374	$self
		1375	}
		1376
		1377	sub as_string {
		1378	my ($self) = @_;
		1379
		1380	"$self->{path}"
		1381	}
		1382
		1383	# the displayed name, this is a one way mapping
		1384	sub visible_name {
		1385	&as_string
		1386	}
		1387
		1388	# the original (read-only) location
		1389	sub load_path {
		1390	my ($self) = @_;
		1391
		1392	"$MAPDIR/$self->{path}.map"
		1393	}
		1394
		1395	# the temporary/swap location
		1396	sub save_path {
		1397	my ($self) = @_;
		1398
		1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1400	"$TMPDIR/$path.map"
		1401	}
		1402
		1403	# the unique path, undef == no special unique path
		1404	sub uniq_path {
		1405	my ($self) = @_;
		1406
		1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1408	"$UNIQUEDIR/$path"
1308	}	1409	}
1309		1410
1310	# and all this just because we cannot iterate over	1411	# and all this just because we cannot iterate over
1311	# all maps in C++...	1412	# all maps in C++...
1312	sub change_all_map_light {	1413	sub change_all_map_light {
…		…
1314		1415
1315	$_->change_map_light ($change)	1416	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1417	for grep $_->outdoor, values %cf::MAP;
1317	}	1418	}
1318		1419
		1420	sub unlink_save {
		1421	my ($self) = @_;
		1422
		1423	utf8::encode (my $save = $self->save_path);
		1424	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1426	}
		1427
1319	sub try_load_header($) {	1428	sub load_header_from($) {
1320	my ($path) = @_;	1429	my ($self, $path) = @_;
1321		1430
1322	utf8::encode $path;	1431	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1432	#aio_open $path, O_RDONLY, 0
		1433	# or return;
		1434
		1435	$self->_load_header ($path)
1324	or return;	1436	or return;
1325		1437
1326	my $map = cf::map::new	1438	$self->{load_path} = $path;
		1439
		1440	1
		1441	}
		1442
		1443	sub load_header_orig {
		1444	my ($self) = @_;
		1445
		1446	$self->load_header_from ($self->load_path)
		1447	}
		1448
		1449	sub load_header_temp {
		1450	my ($self) = @_;
		1451
		1452	$self->load_header_from ($self->save_path)
		1453	}
		1454
		1455	sub prepare_temp {
		1456	my ($self) = @_;
		1457
		1458	$self->last_access ((delete $self->{last_access})
		1459	|| $cf::RUNTIME); #d#
		1460	# safety
		1461	$self->{instantiate_time} = $cf::RUNTIME
		1462	if $self->{instantiate_time} > $cf::RUNTIME;
		1463	}
		1464
		1465	sub prepare_orig {
		1466	my ($self) = @_;
		1467
		1468	$self->{load_original} = 1;
		1469	$self->{instantiate_time} = $cf::RUNTIME;
		1470	$self->last_access ($cf::RUNTIME);
		1471	$self->instantiate;
		1472	}
		1473
		1474	sub load_header {
		1475	my ($self) = @_;
		1476
		1477	if ($self->load_header_temp) {
		1478	$self->prepare_temp;
		1479	} else {
		1480	$self->load_header_orig
1327	or return;	1481	or return;
		1482	$self->prepare_orig;
		1483	}
1328		1484
1329	# for better error messages only, will be overwritten	1485	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1486	unless $self->default_region;
1331		1487
1332	$map->load_header ($path)	1488	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1489	}
1339		1490
1340	sub find;	1491	sub find;
1341	sub find {	1492	sub find {
1342	my ($path, $origin) = @_;	1493	my ($path, $origin) = @_;
1343		1494
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1495	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1496
1349	cf::lock_wait "map_find:$key";	1497	cf::lock_wait "map_find:$path";
1350		1498
1351	$cf::MAP{$key} || do {	1499	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1500	my $guard = cf::lock_acquire "map_find:$path";
1353		1501	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1502	or return;
1373		1503
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1504	$map->{last_save} = $cf::RUNTIME;
1386		1505
1387	Coro::cede;	1506	$map->load_header
		1507	or return;
1388		1508
1389	if ($map->should_reset) {	1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1510	# doing this can freeze the server in a sync job, obviously
		1511	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1512	$map->reset;
1391	undef $guard;	1513	undef $guard;
1392	$map = find $path	1514	return find $path;
1393	or return;
1394	}	1515	}
1395		1516
1396	$cf::MAP{$key} = $map	1517	$cf::MAP{$path} = $map
1397	}	1518	}
1398	}	1519	}
		1520
		1521	sub pre_load { }
		1522	sub post_load { }
1399		1523
1400	sub load {	1524	sub load {
1401	my ($self) = @_;	1525	my ($self) = @_;
1402		1526
		1527	local $self->{deny_reset} = 1; # loading can take a long time
		1528
1403	my $path = $self->{path};	1529	my $path = $self->{path};
		1530
		1531	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1532	my $guard = cf::lock_acquire "map_load:$path";
1405		1533
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1534	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1535
1408	$self->in_memory (cf::MAP_LOADING);	1536	$self->in_memory (cf::MAP_LOADING);
1409		1537
1410	$self->alloc;	1538	$self->alloc;
		1539
		1540	$self->pre_load;
		1541	Coro::cede;
		1542
1411	$self->load_objects ($self->{load_path}, 1)	1543	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1544	or return;
1413		1545
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1547	if delete $self->{load_original};
1416		1548
1417	if (my $uniq = $path->uniq_path) {	1549	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1550	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1551	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1552	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1553	$self->_load_objects ($uniq, 0);
1422	}	1554	}
1423	}	1555	}
1424		1556
1425	Coro::cede;	1557	Coro::cede;
1426
1427	# now do the right thing for maps	1558	# now do the right thing for maps
1428	$self->link_multipart_objects;	1559	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1560	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1561	unless $self->difficulty;
		1562	Coro::cede;
		1563
		1564	unless ($self->{deny_activate}) {
		1565	$self->decay_objects;
		1566	$self->fix_auto_apply;
		1567	$self->update_buttons;
		1568	Coro::cede;
		1569	$self->set_darkness_map;
		1570	Coro::cede;
1440	$self->activate;	1571	$self->activate;
1441	}	1572	}
1442		1573
1443	Coro::cede;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1574	$self->in_memory (cf::MAP_IN_MEMORY);
		1575	}
		1576
		1577	$self->post_load;
		1578	}
		1579
		1580	sub customise_for {
		1581	my ($self, $ob) = @_;
		1582
		1583	return find "~" . $ob->name . "/" . $self->{path}
		1584	if $self->per_player;
		1585
		1586	$self
1446	}	1587	}
1447		1588
1448	# find and load all maps in the 3x3 area around a map	1589	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1590	sub load_diag {
1450	my ($map) = @_;	1591	my ($map) = @_;
…		…
1480		1621
1481	cf::sync_job { $map->load };	1622	cf::sync_job { $map->load };
1482	}	1623	}
1483		1624
1484	our %MAP_PREFETCH;	1625	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1626	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1627
1500	sub find_async {	1628	sub find_async {
1501	my ($path, $origin) = @_;	1629	my ($path, $origin) = @_;
1502		1630
1503	$path = new cf::path $path, $origin && $origin->path;	1631	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1632
1506	if (my $map = $cf::MAP{$key}) {	1633	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1635	}
1509		1636
1510	$MAP_PREFETCH{$key} = $path;	1637	undef $MAP_PREFETCH{$path};
		1638	$MAP_PREFETCHER ||= cf::async {
		1639	while (%MAP_PREFETCH) {
		1640	for my $path (keys %MAP_PREFETCH) {
		1641	my $map = find $path
		1642	or next;
		1643	$map->load;
		1644
		1645	delete $MAP_PREFETCH{$path};
		1646	}
		1647	}
		1648	undef $MAP_PREFETCHER;
		1649	};
1511	$MAP_PREFETCHER->ready;	1650	$MAP_PREFETCHER->prio (6);
1512		1651
1513	()	1652	()
1514	}	1653	}
1515		1654
1516	sub save {	1655	sub save {
…		…
1520		1659
1521	$self->{last_save} = $cf::RUNTIME;	1660	$self->{last_save} = $cf::RUNTIME;
1522		1661
1523	return unless $self->dirty;	1662	return unless $self->dirty;
1524		1663
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1664	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1665	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1666
1528	$self->{load_path} = $save;	1667	$self->{load_path} = $save;
1529		1668
1530	return if $self->{deny_save};	1669	return if $self->{deny_save};
1531		1670
…		…
1534	cf::async {	1673	cf::async {
1535	$_->contr->save for $self->players;	1674	$_->contr->save for $self->players;
1536	};	1675	};
1537		1676
1538	if ($uniq) {	1677	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1680	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1682	}
1544	}	1683	}
1545		1684
1546	sub swap_out {	1685	sub swap_out {
1547	my ($self) = @_;	1686	my ($self) = @_;
…		…
1561		1700
1562	sub reset_at {	1701	sub reset_at {
1563	my ($self) = @_;	1702	my ($self) = @_;
1564		1703
1565	# TODO: safety, remove and allow resettable per-player maps	1704	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1706	return 1e99 if $self->{deny_reset};
1568		1707
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1710
…		…
1576	my ($self) = @_;	1715	my ($self) = @_;
1577		1716
1578	$self->reset_at <= $cf::RUNTIME	1717	$self->reset_at <= $cf::RUNTIME
1579	}	1718	}
1580		1719
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1720	sub reset {
1603	my ($self) = @_;	1721	my ($self) = @_;
1604		1722
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1723	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1724
1607	return if $self->players;	1725	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1726	return if $self->isa ("ext::map_per_player");#d#
1609		1727
1610	warn "resetting map ", $self->path;#d#	1728	warn "resetting map ", $self->path;#d#
1611		1729
		1730	$self->in_memory (cf::MAP_SWAPPED);
		1731
		1732	# need to save uniques path
		1733	unless ($self->{deny_save}) {
		1734	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1735
		1736	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1737	if $uniq;
		1738	}
		1739
1612	delete $cf::MAP{$self->path};	1740	delete $cf::MAP{$self->path};
		1741
		1742	$self->clear;
1613		1743
1614	$_->clear_links_to ($self) for values %cf::MAP;	1744	$_->clear_links_to ($self) for values %cf::MAP;
1615		1745
1616	$self->unlink_save;	1746	$self->unlink_save;
1617	$self->destroy;	1747	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1750	my $nuke_counter = "aaaa";
1621		1751
1622	sub nuke {	1752	sub nuke {
1623	my ($self) = @_;	1753	my ($self) = @_;
1624		1754
		1755	delete $cf::MAP{$self->path};
		1756
		1757	$self->unlink_save;
		1758
		1759	bless $self, "cf::map";
		1760	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1761	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1762	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1764
		1765	$cf::MAP{$self->path} = $self;
		1766
1628	$self->reset; # polite request, might not happen	1767	$self->reset; # polite request, might not happen
1629	}	1768	}
1630		1769
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1770	=item cf::map::unique_maps
1642		1771
1643	Returns an arrayref of cf::path's of all shared maps that have	1772	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1773	instantiated unique items. May block.
1645		1774
1646	=cut	1775	=cut
1647		1776
1648	sub unique_maps() {	1777	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1778	my $files = aio_readdir $UNIQUEDIR
1650	or return;	1779	or return;
1651		1780
1652	my @paths;	1781	my @paths;
1653		1782
1654	for (@$files) {	1783	for (@$files) {
1655	utf8::decode $_;	1784	utf8::decode $_;
1656	next if /\.pst$/;	1785	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1786	next unless /^$PATH_SEP/o;
1658		1787
1659	push @paths, new cf::path $_;	1788	push @paths, cf::map::normalise $_;
1660	}	1789	}
1661		1790
1662	\@paths	1791	\@paths
1663	}	1792	}
1664		1793
…		…
1739		1868
1740	=item $player_object->enter_link	1869	=item $player_object->enter_link
1741		1870
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1871	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1872
1744	The player should be reaosnably safe there for short amounts of time. You	1873	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1874	I<MUST> call C<leave_link> as soon as possible, though.
1746		1875
		1876	Will never block.
		1877
1747	=item $player_object->leave_link ($map, $x, $y)	1878	=item $player_object->leave_link ($map, $x, $y)
1748		1879
1749	Moves the player out of the specila link map onto the given map. If the	1880	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1881	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1882	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1883	fails, to the emergency map position.
1753		1884
1754	Might block.	1885	Might block.
1755		1886
1756	=cut	1887	=cut
		1888
		1889	sub link_map {
		1890	unless ($LINK_MAP) {
		1891	$LINK_MAP = cf::map::find "{link}"
		1892	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1893	$LINK_MAP->load;
		1894	}
		1895
		1896	$LINK_MAP
		1897	}
1757		1898
1758	sub cf::object::player::enter_link {	1899	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1900	my ($self) = @_;
1760		1901
1761	$self->deactivate_recursive;	1902	$self->deactivate_recursive;
1762		1903
1763	return if $self->map == $LINK_MAP;	1904	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1905
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1907	if $self->map;
1767		1908
1768	$self->enter_map ($LINK_MAP, 20, 20);	1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1910	}
1770		1911
1771	sub cf::object::player::leave_link {	1912	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1913	my ($self, $map, $x, $y) = @_;
1773		1914
…		…
1795	$map->load;	1936	$map->load;
1796	$map->load_diag;	1937	$map->load_diag;
1797		1938
1798	return unless $self->contr->active;	1939	return unless $self->contr->active;
1799	$self->activate_recursive;	1940	$self->activate_recursive;
		1941
		1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1943	$self->enter_map ($map, $x, $y);
1801	}	1944	}
1802		1945
1803	cf::player->attach (	1946	cf::player->attach (
1804	on_logout => sub {	1947	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1960	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1961	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1962	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1963	$pl->ob->enter_link;
1821	(async {	1964	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1965	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1966	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1967	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1968	cf::NDI_RED);
		1969	# we need this sleep as the login has a concurrent enter_exit running
		1970	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1971	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1972	$pl->ob->leave_link;
1830	})->prio (2);	1973	})->prio (2);
1831	}	1974	}
1832	},	1975	},
…		…
1837	=cut	1980	=cut
1838		1981
1839	sub cf::object::player::goto {	1982	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1983	my ($self, $path, $x, $y) = @_;
1841		1984
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1985	$self->enter_link;
1845		1986
1846	(async {	1987	(async {
		1988	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1989	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1990	$map = $map->customise_for ($self) if $map;
1849		1991	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1992	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1994
1855	$self->leave_link ($map, $x, $y);	1995	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1996	})->prio (1);
1857	}	1997	}
1858		1998
…		…
1862		2002
1863	sub parse_random_map_params {	2003	sub parse_random_map_params {
1864	my ($spec) = @_;	2004	my ($spec) = @_;
1865		2005
1866	my $rmp = { # defaults	2006	my $rmp = { # defaults
1867	xsize => 10,	2007	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2008	ysize => (cf::rndm 15, 40),
		2009	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2010	#layout => string,
1869	};	2011	};
1870		2012
1871	for (split /\n/, $spec) {	2013	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2014	my ($k, $v) = split /\s+/, $_, 2;
1873		2015
…		…
1877	$rmp	2019	$rmp
1878	}	2020	}
1879		2021
1880	sub prepare_random_map {	2022	sub prepare_random_map {
1881	my ($exit) = @_;	2023	my ($exit) = @_;
		2024
		2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2026
1883	# all this does is basically replace the /! path by	2027	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2028	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2029	# that depends on the exit object
1886		2030
1887	my $rmp = parse_random_map_params $exit->msg;	2031	my $rmp = parse_random_map_params $exit->msg;
1888		2032
1889	if ($exit->map) {	2033	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2034	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2035	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2036	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2037	$rmp->{origin_y} = $exit->y;
1894	}	2038	}
1895		2039
1896	$rmp->{random_seed} ||= $exit->random_seed;	2040	$rmp->{random_seed} ||= $exit->random_seed;
1897		2041
1898	my $data = cf::to_json $rmp;	2042	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2043	my $md5 = Digest::MD5::md5_hex $data;
		2044	my $meta = "$RANDOMDIR/$md5.meta";
1900		2045
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2047	aio_write $fh, 0, (length $data), $data, 0;
		2048	undef $fh;
		2049	aio_rename "$meta~", $meta;
1903		2050
1904	$exit->slaying ("?random/$md5");	2051	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2052	$exit->msg (undef);
1906	}	2053	}
1907	}	2054	}
1908		2055
1909	sub cf::object::player::enter_exit {	2056	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2057	my ($self, $exit) = @_;
1911		2058
1912	return unless $self->type == cf::PLAYER;	2059	return unless $self->type == cf::PLAYER;
		2060
		2061	if ($exit->slaying eq "/!") {
		2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2063	# the problem is that $exit might not survive long enough
		2064	# so it needs to be done right now, right here
		2065	cf::sync_job { prepare_random_map $exit };
		2066	}
		2067
		2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2069	my $hp = $exit->stats->hp;
		2070	my $sp = $exit->stats->sp;
1913		2071
1914	$self->enter_link;	2072	$self->enter_link;
1915		2073
1916	(async {	2074	(async {
1917	$self->deactivate_recursive; # just to be sure	2075	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2076	unless (eval {
1919	prepare_random_map $exit	2077	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2078
1925	1;	2079	1;
1926	}) {	2080	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2081	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2082	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2083	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2084	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2085
1932	warn "ERROR in enter_exit: $@";	2086	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2087	$self->leave_link;
1934	}	2088	}
1935	})->prio (1);	2089	})->prio (1);
…		…
1948		2102
1949	sub cf::client::send_drawinfo {	2103	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2104	my ($self, $text, $flags) = @_;
1951		2105
1952	utf8::encode $text;	2106	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2108	}
1955		2109
		2110	=item $client->ext_event ($type, %msg)
		2111
		2112	Sends an exti event to the client.
		2113
		2114	=cut
		2115
		2116	sub cf::client::ext_event($$%) {
		2117	my ($self, $type, %msg) = @_;
		2118
		2119	$msg{msgtype} = "event_$type";
		2120	$self->send_packet ("ext " . cf::to_json \%msg);
		2121	}
1956		2122
1957	=item $success = $client->query ($flags, "text", \&cb)	2123	=item $success = $client->query ($flags, "text", \&cb)
1958		2124
1959	Queues a query to the client, calling the given callback with	2125	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2155	# get handled first
1990	my $queue = delete $ns->{query_queue}	2156	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2157	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2158
1993	(shift @$queue)->[1]->($msg);	2159	(shift @$queue)->[1]->($msg);
		2160	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2161
1995	push @{ $ns->{query_queue} }, @$queue;	2162	push @{ $ns->{query_queue} }, @$queue;
1996		2163
1997	if (@{ $ns->{query_queue} } == @$queue) {	2164	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2165	if (@$queue) {
…		…
2056		2223
2057	# here we export the classes and methods available to script code	2224	# here we export the classes and methods available to script code
2058		2225
2059	=pod	2226	=pod
2060		2227
2061	The following fucntions and emthods are available within a safe environment:	2228	The following functions and methods are available within a safe environment:
2062		2229
2063	cf::object contr pay_amount pay_player map	2230	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2231	cf::object::player player
2065	cf::player peaceful	2232	cf::player peaceful
2066	cf::map trigger	2233	cf::map trigger
…		…
2151	#############################################################################	2318	#############################################################################
2152		2319
2153	=head2 EXTENSION DATABASE SUPPORT	2320	=head2 EXTENSION DATABASE SUPPORT
2154		2321
2155	Crossfire maintains a very simple database for extension use. It can	2322	Crossfire maintains a very simple database for extension use. It can
2156	currently store anything that can be serialised using Storable, which	2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157	excludes objects.	2324	convert to/from binary).
2158		2325
2159	The parameter C<$family> should best start with the name of the extension	2326	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2327	using it, it should be unique.
2161		2328
2162	=over 4	2329	=over 4
2163		2330
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2331	=item $value = cf::db_get $family => $key
2171		2332
2172	Returns a single value from the database	2333	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2334
2179	=item cf::db_put $family => $key => $value	2335	=item cf::db_put $family => $key => $value
2180		2336
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2337	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2338
2192	=cut	2339	=cut
2193		2340
2194	our $DB;	2341	our $DB;
2195		2342
2196	{	2343	sub db_init {
2197	my $path = cf::localdir . "/database.pst";	2344	unless ($DB) {
		2345	$DB = BDB::db_create $DB_ENV;
2198		2346
2199	sub db_load() {	2347	cf::sync_job {
2200	$DB = stat $path ? Storable::retrieve $path : { };	2348	eval {
2201	}	2349	$DB->set_flags (BDB::CHKSUM);
2202		2350
2203	my $pid;	2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204		2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205	sub db_save() {	2353	cf::cleanup "db_open(db): $!" if $!;
2206	waitpid $pid, 0 if $pid;	2354	};
2207	if (0 == ($pid = fork)) {	2355	cf::cleanup "db_open(db): $@" if $@;
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2356	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2357	}
		2358	}
2225		2359
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2360	sub db_get($$) {
2232	@_ >= 2	2361	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2362
		2363	cf::sync_job {
		2364	BDB::db_get $DB, undef, $key, my $data;
		2365
		2366	$! ? ()
		2367	: $data
		2368	}
		2369	}
		2370
2237	sub db_put($$;$) {	2371	sub db_put($$$) {
2238	if (@_ >= 3) {	2372	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240	} else {	2374	}
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		2375
2246	cf::global->attach (	2376	=item cf::cache $id => [$paths...], $processversion => $process
2247	prio => 10000,	2377
2248	on_cleanup => sub {	2378	Generic caching function that returns the value of the resource $id,
2249	db_sync;	2379	caching and regenerating as required.
		2380
		2381	This function can block.
		2382
		2383	=cut
		2384
		2385	sub cache {
		2386	my ($id, $src, $processversion, $process) = @_;
		2387
		2388	my $meta =
		2389	join "\x00",
		2390	$processversion,
		2391	map {
		2392	aio_stat $_
		2393	and Carp::croak "$_: $!";
		2394
		2395	($_, (stat _)[7,9])
		2396	} @$src;
		2397
		2398	my $dbmeta = db_get cache => "$id/meta";
		2399	if ($dbmeta ne $meta) {
		2400	# changed, we may need to process
		2401
		2402	my @data;
		2403	my $md5;
		2404
		2405	for (0 .. $#$src) {
		2406	0 <= aio_load $src->[$_], $data[$_]
		2407	or Carp::croak "$src->[$_]: $!";
2250	},	2408	}
2251	);	2409
		2410	# if processing is expensive, check
		2411	# checksum first
		2412	if (1) {
		2413	$md5 =
		2414	join "\x00",
		2415	$processversion,
		2416	map {
		2417	Coro::cede;
		2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2419	} 0.. $#$src;
		2420
		2421
		2422	my $dbmd5 = db_get cache => "$id/md5";
		2423	if ($dbmd5 eq $md5) {
		2424	db_put cache => "$id/meta", $meta;
		2425
		2426	return db_get cache => "$id/data";
		2427	}
		2428	}
		2429
		2430	my $t1 = Time::HiRes::time;
		2431	my $data = $process->(\@data);
		2432	my $t2 = Time::HiRes::time;
		2433
		2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2435
		2436	db_put cache => "$id/data", $data;
		2437	db_put cache => "$id/md5" , $md5;
		2438	db_put cache => "$id/meta", $meta;
		2439
		2440	return $data;
		2441	}
		2442
		2443	db_get cache => "$id/data"
2252	}	2444	}
		2445
		2446	=item fork_call { }, $args
		2447
		2448	Executes the given code block with the given arguments in a seperate
		2449	process, returning the results. Everything must be serialisable with
		2450	Coro::Storable. May, of course, block. Note that the executed sub may
		2451	never block itself or use any form of Event handling.
		2452
		2453	=cut
		2454
		2455	sub fork_call(&@) {
		2456	my ($cb, @args) = @_;
		2457
		2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2459	# or die "socketpair: $!";
		2460	pipe my $fh1, my $fh2
		2461	or die "pipe: $!";
		2462
		2463	if (my $pid = fork) {
		2464	close $fh2;
		2465
		2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2467	$res = Coro::Storable::thaw $res;
		2468
		2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2470
		2471	die $$res unless "ARRAY" eq ref $res;
		2472
		2473	return wantarray ? @$res : $res->[-1];
		2474	} else {
		2475	reset_signals;
		2476	local $SIG{__WARN__};
		2477	local $SIG{__DIE__};
		2478	eval {
		2479	close $fh1;
		2480
		2481	my @res = eval { $cb->(@args) };
		2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2483	};
		2484
		2485	warn $@ if $@;
		2486	_exit 0;
		2487	}
		2488	}
		2489
		2490
2253		2491
2254	#############################################################################	2492	#############################################################################
2255	# the server's main()	2493	# the server's init and main functions
		2494
		2495	sub load_facedata($) {
		2496	my ($path) = @_;
		2497
		2498	warn "loading facedata from $path\n";
		2499
		2500	my $facedata;
		2501	0 < aio_load $path, $facedata
		2502	or die "$path: $!";
		2503
		2504	$facedata = Coro::Storable::thaw $facedata;
		2505
		2506	$facedata->{version} == 2
		2507	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2508
		2509	{
		2510	my $faces = $facedata->{faceinfo};
		2511
		2512	while (my ($face, $info) = each %$faces) {
		2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2517	Coro::cede;
		2518	}
		2519
		2520	while (my ($face, $info) = each %$faces) {
		2521	next unless $info->{smooth};
		2522	my $idx = cf::face::find $face
		2523	or next;
		2524	if (my $smooth = cf::face::find $info->{smooth}) {
		2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2526	} else {
		2527	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2528	}
		2529	Coro::cede;
		2530	}
		2531	}
		2532
		2533	{
		2534	my $anims = $facedata->{animinfo};
		2535
		2536	while (my ($anim, $info) = each %$anims) {
		2537	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2538	Coro::cede;
		2539	}
		2540
		2541	cf::anim::invalidate_all; # d'oh
		2542	}
		2543
		2544	1
		2545	}
		2546
		2547	sub reload_regions {
		2548	load_resource_file "$MAPDIR/regions"
		2549	or die "unable to load regions file\n";
		2550	}
		2551
		2552	sub reload_facedata {
		2553	load_facedata "$DATADIR/facedata"
		2554	or die "unable to load facedata\n";
		2555	}
		2556
		2557	sub reload_archetypes {
		2558	load_resource_file "$DATADIR/archetypes"
		2559	or die "unable to load archetypes\n";
		2560	}
		2561
		2562	sub reload_treasures {
		2563	load_resource_file "$DATADIR/treasures"
		2564	or die "unable to load treasurelists\n";
		2565	}
		2566
		2567	sub reload_resources {
		2568	warn "reloading resource files...\n";
		2569
		2570	reload_regions;
		2571	reload_facedata;
		2572	reload_archetypes;
		2573	reload_treasures;
		2574
		2575	warn "finished reloading resource files\n";
		2576	}
		2577
		2578	sub init {
		2579	reload_resources;
		2580	}
2256		2581
2257	sub cfg_load {	2582	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2583	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2584	or return;
2260		2585
2261	local $/;	2586	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2587	*CFG = YAML::Syck::Load <$fh>;
2263		2588
…		…
2277		2602
2278	sub main {	2603	sub main {
2279	# we must not ever block the main coroutine	2604	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2605	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2607	(async {
2282	async { Event::one_event };	2608	Event::one_event;
		2609	})->prio (Coro::PRIO_MAX);
2283	};	2610	};
2284		2611
2285	cfg_load;	2612	cfg_load;
2286	db_load;	2613	db_init;
2287	load_extensions;	2614	load_extensions;
		2615
		2616	$TICK_WATCHER->start;
2288	Event::loop;	2617	Event::loop;
2289	}	2618	}
2290		2619
2291	#############################################################################	2620	#############################################################################
2292	# initialisation and cleanup	2621	# initialisation and cleanup
2293		2622
2294	# install some emergency cleanup handlers	2623	# install some emergency cleanup handlers
2295	BEGIN {	2624	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2625	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2626	Event->signal (
		2627	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2628	data => WF_AUTOCANCEL,
2299	signal => $signal,	2629	signal => $signal,
		2630	prio => 0,
2300	cb => sub {	2631	cb => sub {
2301	cf::cleanup "SIG$signal";	2632	cf::cleanup "SIG$signal";
2302	},	2633	},
2303	);	2634	);
2304	}	2635	}
2305	}	2636	}
…		…
2310	warn "enter emergency perl save\n";	2641	warn "enter emergency perl save\n";
2311		2642
2312	cf::sync_job {	2643	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2644	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2645	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2646	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2647	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2648	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2649	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2650	$pl->valid or next;
2320	$pl->save;	2651	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2657	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2658	$map->valid or next;
2328	$map->save;	2659	$map->save;
2329	}	2660	}
2330	warn "end emergency map save\n";	2661	warn "end emergency map save\n";
		2662
		2663	warn "begin emergency database checkpoint\n";
		2664	BDB::db_env_txn_checkpoint $DB_ENV;
		2665	warn "end emergency database checkpoint\n";
2331	};	2666	};
2332		2667
2333	warn "leave emergency perl save\n";	2668	warn "leave emergency perl save\n";
2334	}	2669	}
2335		2670
		2671	sub post_cleanup {
		2672	my ($make_core) = @_;
		2673
		2674	warn Carp::longmess "post_cleanup backtrace"
		2675	if $make_core;
		2676	}
		2677
2336	sub reload() {	2678	sub do_reload_perl() {
2337	# can/must only be called in main	2679	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2680	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2681	warn "can only reload from main coroutine";
2340	return;	2682	return;
2341	}	2683	}
2342		2684
2343	warn "reloading...";	2685	warn "reloading...";
2344		2686
2345	my $guard = freeze_mainloop;	2687	warn "entering sync_job";
		2688
		2689	cf::sync_job {
		2690	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2691	cf::emergency_save;
		2692	cf::write_runtime; # external watchdog should not bark
2347		2693
2348	eval {	2694	warn "syncing database to disk";
		2695	BDB::db_env_txn_checkpoint $DB_ENV;
		2696
2349	# if anything goes wrong in here, we should simply crash as we already saved	2697	# if anything goes wrong in here, we should simply crash as we already saved
2350		2698
2351	# cancel all watchers	2699	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2700	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2702	}
2355		2703
		2704	warn "flushing outstanding aio requests";
		2705	for (;;) {
		2706	BDB::flush;
		2707	IO::AIO::flush;
		2708	Coro::cede;
		2709	last unless IO::AIO::nreqs || BDB::nreqs;
		2710	warn "iterate...";
		2711	}
		2712
		2713	++$RELOAD;
		2714
2356	# cancel all extension coros	2715	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2716	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2717	%EXT_CORO = ();
2359		2718
2360	# unload all extensions	2719	warn "removing commands";
2361	for (@exts) {	2720	%COMMAND = ();
		2721
		2722	warn "removing ext commands";
		2723	%EXTCMD = ();
		2724
		2725	warn "unloading/nuking all extensions";
		2726	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2727	warn "... unloading $pkg";
2363	unload_extension $_;	2728
		2729	if (my $cb = $pkg->can ("unload")) {
		2730	eval {
		2731	$cb->($pkg);
		2732	1
		2733	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2734	}
2365		2735
		2736	warn "... nuking $pkg";
		2737	Symbol::delete_package $pkg;
		2738	}
		2739
2366	# unload all modules loaded from $LIBDIR	2740	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2741	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2743
2370	warn "removing <$k>";	2744	warn "... unloading $k";
2371	delete $INC{$k};	2745	delete $INC{$k};
2372		2746
2373	$k =~ s/\.pm$//;	2747	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2748	$k =~ s/\//::/g;
2375		2749
…		…
2378	}	2752	}
2379		2753
2380	Symbol::delete_package $k;	2754	Symbol::delete_package $k;
2381	}	2755	}
2382		2756
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2757	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2758	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2760
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2761	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2762	delete $INC{"cf.pm"};
		2763	delete $INC{"cf/pod.pm"};
2396		2764
2397	# don't, removes xs symbols, too,	2765	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2766	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2767	#Symbol::delete_package __PACKAGE__;
2400		2768
2401	# reload cf.pm	2769	warn "unload completed, starting to reload now";
		2770
2402	warn "reloading cf.pm";	2771	warn "reloading cf.pm";
2403	require cf;	2772	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2774
2406	# load config and database again	2775	warn "loading config and database again";
2407	cf::cfg_load;	2776	cf::cfg_load;
2408	cf::db_load;
2409		2777
2410	# load extensions
2411	warn "load extensions";	2778	warn "loading extensions";
2412	cf::load_extensions;	2779	cf::load_extensions;
2413		2780
2414	# reattach attachments to objects	2781	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2782	_global_reattach; # objects, sockets
2416	_global_reattach;	2783	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2784	reattach $_ for values %MAP;
2418	};	2785	warn "reattaching attachments to players";
		2786	reattach $_ for values %PLAYER;
2419		2787
2420	if ($@) {	2788	warn "leaving sync_job";
		2789
		2790	1
		2791	} or do {
2421	warn $@;	2792	warn $@;
2422	warn "error while reloading, exiting.";	2793	warn "error while reloading, exiting.";
2423	exit 1;	2794	exit 1;
2424	}	2795	};
2425		2796
2426	warn "reloaded successfully";	2797	warn "reloaded";
2427	};	2798	};
2428		2799
2429	#############################################################################	2800	our $RELOAD_WATCHER; # used only during reload
2430		2801
2431	unless ($LINK_MAP) {	2802	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	2803	# doing reload synchronously and two reloads happen back-to-back,
		2804	# coro crashes during coro_state_free->destroy here.
2433		2805
2434	$LINK_MAP->width (41);	2806	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2807	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2808	after => 0,
		2809	data => WF_AUTOCANCEL,
2444	cb => sub {	2810	cb => sub {
2445	$_[0]->w->cancel;	2811	do_reload_perl;
2446		2812	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2813	},
2465		2814	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2815	}
2471
2472	register "<global>", __PACKAGE__;
2473		2816
2474	register_command "reload" => sub {	2817	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2818	my ($who, $arg) = @_;
2476		2819
2477	if ($who->flag (FLAG_WIZ)) {	2820	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2821	$who->message ("reloading server.");
		2822	async { reload_perl };
2481	}	2823	}
2482	};	2824	};
2483		2825
2484	unshift @INC, $LIBDIR;	2826	unshift @INC, $LIBDIR;
		2827
		2828	my $bug_warning = 0;
		2829
		2830	our @WAIT_FOR_TICK;
		2831	our @WAIT_FOR_TICK_BEGIN;
		2832
		2833	sub wait_for_tick {
		2834	return unless $TICK_WATCHER->is_active;
		2835	return if $Coro::current == $Coro::main;
		2836
		2837	my $signal = new Coro::Signal;
		2838	push @WAIT_FOR_TICK, $signal;
		2839	$signal->wait;
		2840	}
		2841
		2842	sub wait_for_tick_begin {
		2843	return unless $TICK_WATCHER->is_active;
		2844	return if $Coro::current == $Coro::main;
		2845
		2846	my $signal = new Coro::Signal;
		2847	push @WAIT_FOR_TICK_BEGIN, $signal;
		2848	$signal->wait;
		2849	}
2485		2850
2486	$TICK_WATCHER = Event->timer (	2851	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2852	reentrant => 0,
		2853	parked => 1,
2488	prio => 0,	2854	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2855	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2856	data => WF_AUTOCANCEL,
2491	cb => sub {	2857	cb => sub {
		2858	if ($Coro::current != $Coro::main) {
		2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2860	unless ++$bug_warning > 10;
		2861	return;
		2862	}
		2863
		2864	$NOW = $tick_start = Event::time;
		2865
2492	cf::server_tick; # one server iteration	2866	cf::server_tick; # one server iteration
		2867
2493	$RUNTIME += $TICK;	2868	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2869	$NEXT_TICK += $TICK;
2495		2870
2496	$WAIT_FOR_TICK->broadcast;	2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2872	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2873	Coro::async_pool {
		2874	write_runtime
		2875	or warn "ERROR: unable to write runtime file: $!";
		2876	};
		2877	}
		2878
		2879	# my $AFTER = Event::time;
		2880	# warn $AFTER - $NOW;#d#
		2881
		2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2883	$sig->send;
		2884	}
		2885	while (my $sig = shift @WAIT_FOR_TICK) {
		2886	$sig->send;
		2887	}
		2888
		2889	$NOW = Event::time;
2498		2890
2499	# if we are delayed by four ticks or more, skip them all	2891	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		2893
2502	$TICK_WATCHER->at ($NEXT_TICK);	2894	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2895	$TICK_WATCHER->start;
		2896
		2897	$LOAD = ($NOW - $tick_start) / $TICK;
		2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2899
		2900	_post_tick;
		2901
		2902
2504	},	2903	},
2505	);	2904	);
2506		2905
		2906	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2907	BDB::max_poll_time $TICK * 0.1;
2508		2908	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2909	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2910	fd => BDB::poll_fileno,
2511	poll => 'r',	2911	poll => 'r',
2512	prio => 5,	2912	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2913	data => WF_AUTOCANCEL,
2519	after => 0,	2914	cb => \&BDB::poll_cb,
2520	interval => 10,	2915	);
2521	cb => sub {	2916	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2917
2523	write_runtime	2918	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2919	my $status;
		2920	my $current = $Coro::current;
		2921	(
		2922	sub {
		2923	$status = $!;
		2924	$current->ready; undef $current;
		2925	},
		2926	sub {
		2927	Coro::schedule while defined $current;
		2928	$! = $status;
		2929	},
		2930	)
		2931	};
		2932
		2933	unless ($DB_ENV) {
		2934	$DB_ENV = BDB::db_env_create;
		2935
		2936	cf::sync_job {
		2937	eval {
		2938	BDB::db_env_open
		2939	$DB_ENV,
		2940	$BDBDIR,
		2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2943	0666;
		2944
		2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2946
		2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2948	$DB_ENV->set_lk_detect;
		2949	};
		2950
		2951	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2952	};
2526	},	2953	}
2527	);	2954	}
		2955
		2956	{
		2957	IO::AIO::min_parallel 8;
		2958
		2959	undef $Coro::AIO::WATCHER;
		2960	IO::AIO::max_poll_time $TICK * 0.1;
		2961	$AIO_POLL_WATCHER = Event->io (
		2962	reentrant => 0,
		2963	data => WF_AUTOCANCEL,
		2964	fd => IO::AIO::poll_fileno,
		2965	poll => 'r',
		2966	prio => 6,
		2967	cb => \&IO::AIO::poll_cb,
		2968	);
		2969	}
		2970
		2971	my $_log_backtrace;
		2972
		2973	sub _log_backtrace {
		2974	my ($msg, @addr) = @_;
		2975
		2976	$msg =~ s/\n//;
		2977
		2978	# limit the # of concurrent backtraces
		2979	if ($_log_backtrace < 2) {
		2980	++$_log_backtrace;
		2981	async {
		2982	my @bt = fork_call {
		2983	@addr = map { sprintf "%x", $_ } @addr;
		2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2986	or die "addr2line: $!";
		2987
		2988	my @funcs;
		2989	my @res = <$fh>;
		2990	chomp for @res;
		2991	while (@res) {
		2992	my ($func, $line) = splice @res, 0, 2, ();
		2993	push @funcs, "[$func] $line";
		2994	}
		2995
		2996	@funcs
		2997	};
		2998
		2999	LOG llevInfo, "[ABT] $msg\n";
		3000	LOG llevInfo, "[ABT] $_\n" for @bt;
		3001	--$_log_backtrace;
		3002	};
		3003	} else {
		3004	LOG llevInfo, "[ABT] $msg\n";
		3005	LOG llevInfo, "[ABT] [suppressed]\n";
		3006	}
		3007	}
		3008
		3009	# load additional modules
		3010	use cf::pod;
2528		3011
2529	END { cf::emergency_save }	3012	END { cf::emergency_save }
2530		3013
2531	1	3014	1
2532		3015

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