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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.273 by root, Mon Jun 4 12:19:08 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
		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
38		51
39	our @EXTS = (); # list of extension package names	52	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	53	our %EXTCMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
42		56
		57	our $RELOAD; # number of reloads so far
43	our @EVENT;	58	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		59
46	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(!)
47	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	76	our $NEXT_TICK;
49	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;
50		82
51	our %CFG;	83	our %CFG;
52		84
53	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	86	our $RUNTIME;
55		87
56	our %PLAYER; # all users	88	our %PLAYER; # all users
57	our %MAP; # all maps	89	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		91
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		98
64	binmode STDOUT;	99	binmode STDOUT;
65	binmode STDERR;	100	binmode STDERR;
66		101
67	# read virtual server time, if available	102	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	104	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	105	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	106	$RUNTIME = <$fh> + 0.;
72	}	107	}
73		108
74	mkdir cf::localdir;	109	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		111
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	112	our $EMERGENCY_POSITION;
		113
		114	sub cf::map::normalise;
83		115
84	#############################################################################	116	#############################################################################
85		117
86	=head2 GLOBAL VARIABLES	118	=head2 GLOBAL VARIABLES
87		119
…		…
94	=item $cf::RUNTIME	126	=item $cf::RUNTIME
95		127
96	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
97	every server tick.	129	every server tick.
98		130
99	=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
100		134
101	The perl library directory, where extensions and cf-specific modules can	135	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		139
104	=item $cf::NOW	140	=item $cf::NOW
105		141
106	The time of the last (current) server tick.	142	The time of the last (current) server tick.
107		143
108	=item $cf::TICK	144	=item $cf::TICK
109		145
110	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.
111		157
112	=item %cf::CFG	158	=item %cf::CFG
113		159
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	160	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	161	from wherever your confdir points to.
116		162
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	163	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		164
119	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
120	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
121	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.
122	window of cpu time available, or simply to synchronise to the server tick.
123		168
124	=back	169	=back
125		170
126	=cut	171	=cut
127		172
128	BEGIN {	173	BEGIN {
129	*CORE::GLOBAL::warn = sub {	174	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	175	my $msg = join "", @_;
131	utf8::encode $msg;
132		176
133	$msg .= "\n"	177	$msg .= "\n"
134	unless $msg =~ /\n$/;	178	unless $msg =~ /\n$/;
135		179
		180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		181
		182	utf8::encode $msg;
136	LOG llevError, $msg;	183	LOG llevError, $msg;
137	};	184	};
138	}	185	}
139		186
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		192	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	193	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		194
147	# we bless all objects into (empty) derived classes to force a method lookup	195	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	196	# within the Safe compartment.
149	for my $pkg (qw(	197	for my $pkg (qw(
150	cf::global cf::attachable	198	cf::global cf::attachable
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	235	$d
188	} || "[unable to dump $_[0]: '$@']";	236	} || "[unable to dump $_[0]: '$@']";
189	}	237	}
190		238
191	use JSON::Syck (); # TODO# replace by JSON::PC once working	239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
192		240
193	=item $ref = cf::from_json $json	241	=item $ref = cf::from_json $json
194		242
195	Converts a JSON string into the corresponding perl data structure.	243	Converts a JSON string into the corresponding perl data structure.
196		244
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	245	=item $json = cf::to_json $ref
205		246
206	Converts a perl data structure into its JSON representation.	247	Converts a perl data structure into its JSON representation.
207
208	=cut
209
210	sub to_json($) {
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
212	JSON::Syck::Dump $_[0]
213	}
214		248
215	=item cf::lock_wait $string	249	=item cf::lock_wait $string
216		250
217	Wait until the given lock is available. See cf::lock_acquire.	251	Wait until the given lock is available. See cf::lock_acquire.
218		252
…		…
224	returned.	258	returned.
225		259
226	Lock names should begin with a unique identifier (for example, cf::map::find	260	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	261	uses map_find and cf::map::load uses map_load).
228		262
		263	=item $locked = cf::lock_active $string
		264
		265	Return true if the lock is currently active, i.e. somebody has locked it.
		266
229	=cut	267	=cut
230		268
231	our %LOCK;	269	our %LOCK;
232		270
233	sub lock_wait($) {	271	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	290	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	291	$_->ready for @{ delete $LOCK{$key} };
254	}	292	}
255	}	293	}
256		294
		295	sub lock_active($) {
		296	my ($key) = @_;
		297
		298	! ! $LOCK{$key}
		299	}
		300
257	sub freeze_mainloop {	301	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	302	return unless $TICK_WATCHER->is_active;
259		303
260	my $guard = Coro::guard { $TICK_WATCHER->start };	304	my $guard = Coro::guard {
		305	$TICK_WATCHER->start;
		306	};
261	$TICK_WATCHER->stop;	307	$TICK_WATCHER->stop;
262	$guard	308	$guard
263	}	309	}
264		310
265	=item cf::async { BLOCK }	311	=item cf::async { BLOCK }
…		…
287		333
288	sub sync_job(&) {	334	sub sync_job(&) {
289	my ($job) = @_;	335	my ($job) = @_;
290		336
291	if ($Coro::current == $Coro::main) {	337	if ($Coro::current == $Coro::main) {
		338	my $time = Event::time;
		339
292	# this is the main coro, too bad, we have to block	340	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	341	# till the operation succeeds, freezing the server :/
294		342
295	# TODO: use suspend/resume instead	343	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	344	# (but this is cancel-safe)
…		…
307		355
308	while ($busy) {	356	while ($busy) {
309	Coro::cede or Event::one_event;	357	Coro::cede or Event::one_event;
310	}	358	}
311		359
		360	$time = Event::time - $time;
		361
		362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		364
		365	$tick_start += $time; # do not account sync jobs to server load
		366
312	wantarray ? @res : $res[0]	367	wantarray ? @res : $res[0]
313	} else {	368	} else {
314	# we are in another coroutine, how wonderful, everything just works	369	# we are in another coroutine, how wonderful, everything just works
315		370
316	$job->()	371	$job->()
…		…
336		391
337	$coro	392	$coro
338	}	393	}
339		394
340	sub write_runtime {	395	sub write_runtime {
341	my $runtime = cf::localdir . "/runtime";	396	my $runtime = "$LOCALDIR/runtime";
		397
		398	# first touch the runtime file to show we are still running:
		399	# the fsync below can take a very very long time.
		400
		401	IO::AIO::aio_utime $runtime, undef, undef;
		402
		403	my $guard = cf::lock_acquire "write_runtime";
342		404
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
344	or return;	406	or return;
345		407
		408	my $value = $cf::RUNTIME + 90 + 10;
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	409	# 10 is the runtime save interval, for a monotonic clock
		410	# 60 allows for the watchdog to kill the server.
		411
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0	412	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;	413	and return;
349		414
		415	# always fsync - this file is important
350	aio_fsync $fh	416	aio_fsync $fh
351	and return;	417	and return;
352		418
		419	# touch it again to show we are up-to-date
		420	aio_utime $fh, undef, undef;
		421
353	close $fh	422	close $fh
354	or return;	423	or return;
355		424
356	aio_rename "$runtime~", $runtime	425	aio_rename "$runtime~", $runtime
357	and return;	426	and return;
358		427
		428	warn "runtime file written.\n";#d#
		429
359	1	430	1
360	}	431	}
361		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		440	my ($type, %kv) = @_;
		441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		442	}
		443
362	=back	444	=back
363		445
364	=cut	446	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		447
493	#############################################################################	448	#############################################################################
494		449
495	=head2 ATTACHABLE OBJECTS	450	=head2 ATTACHABLE OBJECTS
496		451
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	577	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	578	our @CB_MAP = ();
624		579
625	my %attachment;	580	my %attachment;
626		581
		582	sub cf::attachable::thawer_merge {
		583	# simply override everything except _meta
		584	local $_[0]{_meta};
		585	%{$_[0]} = %{$_[1]};
		586	}
		587
627	sub _attach_cb($$$$) {	588	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	589	my ($registry, $event, $prio, $cb) = @_;
629		590
630	use sort 'stable';	591	use sort 'stable';
631		592
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	626	$registry = $CB_TYPE[$object_type] ||= [];
666		627
667	} elsif ($type eq "subtype") {	628	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	629	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	630	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	631	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		632
672	} elsif ($type eq "package") {	633	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	634	my $pkg = shift @arg;
674		635
675	while (my ($name, $id) = each %cb_id) {	636	while (my ($name, $id) = each %cb_id) {
…		…
716	if (ref $_[0]) {	677	if (ref $_[0]) {
717	_object_attach @_;	678	_object_attach @_;
718	} else {	679	} else {
719	_attach shift->_attach_registry, @_;	680	_attach shift->_attach_registry, @_;
720	}	681	}
		682	_recalc_want;
721	};	683	};
722		684
723	# all those should be optimised	685	# all those should be optimised
724	sub cf::attachable::detach {	686	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	687	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	690	delete $obj->{_attachment}{$name};
729	reattach ($obj);	691	reattach ($obj);
730	} else {	692	} else {
731	Carp::croak "cannot, currently, detach class attachments";	693	Carp::croak "cannot, currently, detach class attachments";
732	}	694	}
		695	_recalc_want;
733	};	696	};
734		697
735	sub cf::attachable::attached {	698	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	699	my ($obj, $name) = @_;
737		700
…		…
802	# object support	765	# object support
803		766
804	sub reattach {	767	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	768	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	769	my ($obj) = @_;
		770
		771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		772
808	my $registry = $obj->registry;	773	my $registry = $obj->registry;
809		774
810	@$registry = ();	775	@$registry = ();
811		776
…		…
858	$filename, length $$rdata, scalar @$objs;	823	$filename, length $$rdata, scalar @$objs;
859		824
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	826	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	828	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	829	close $fh;
865		830
866	if (@$objs) {	831	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	833	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	834	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	835	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	836	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	837	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	838	aio_rename "$filename.pst~", "$filename.pst";
874	}	839	}
875	} else {	840	} else {
876	aio_unlink "$filename.pst";	841	aio_unlink "$filename.pst";
…		…
987	my $base = $1;	952	my $base = $1;
988	my $pkg = $1;	953	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	954	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	955	$pkg = "ext::$pkg";
991		956
992	warn "loading '$path' into '$pkg'\n";	957	warn "... loading '$path' into '$pkg'\n";
993		958
994	open my $fh, "<:utf8", $path	959	open my $fh, "<:utf8", $path
995	or die "$path: $!";	960	or die "$path: $!";
996		961
997	my $source =	962	my $source =
998	"package $pkg; use strict; use utf8;\n"	963	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	964	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	965	. (do { local $/; <$fh> })
1001	. "\n};\n1";	966	. "\n};\n1";
1002		967
1003	eval $source	968	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	969	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	970	: "extension disabled.\n";
		971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
		972	warn $@;
		973	warn "mandatory extension failed to load, exiting.\n";
		974	exit 1;
		975	}
		976	die $@;
		977	}
1006		978
1007	push @EXTS, $pkg;	979	push @EXTS, $pkg;
1008	}	980	}
1009		981
1010	sub load_extensions {	982	sub load_extensions {
…		…
1016	} or warn "$ext not loaded: $@";	988	} or warn "$ext not loaded: $@";
1017	}	989	}
1018	}	990	}
1019		991
1020	#############################################################################	992	#############################################################################
1021	# load/save/clean perl data associated with a map
1022
1023	*cf::mapsupport::on_clean = sub {
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		993
1036	=head2 CORE EXTENSIONS	994	=head2 CORE EXTENSIONS
1037		995
1038	Functions and methods that extend core crossfire objects.	996	Functions and methods that extend core crossfire objects.
1039		997
…		…
1052	Returns the given player object, loading it if necessary (might block).	1010	Returns the given player object, loading it if necessary (might block).
1053		1011
1054	=cut	1012	=cut
1055		1013
1056	sub playerdir($) {	1014	sub playerdir($) {
1057	cf::localdir	1015	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1016	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1017	}
1063		1018
1064	sub path($) {	1019	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1020	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1021
1067	(playerdir $login) . "/$login.pl"	1022	(playerdir $login) . "/playerdata"
1068	}	1023	}
1069		1024
1070	sub find_active($) {	1025	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1026	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1027	and $cf::PLAYER{$_[0]}->active
…		…
1075		1030
1076	sub exists($) {	1031	sub exists($) {
1077	my ($login) = @_;	1032	my ($login) = @_;
1078		1033
1079	$cf::PLAYER{$login}	1034	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1035	or cf::sync_job { !aio_stat path $login }
1081	}	1036	}
1082		1037
1083	sub find($) {	1038	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1039	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1040	my $login = $_[0];
1086		1041
1087	my $guard = cf::lock_acquire "user_find:$login";	1042	my $guard = cf::lock_acquire "user_find:$login";
1088		1043
1089	$cf::PLAYER{$_[0]} || do {	1044	$cf::PLAYER{$_[0]} || do {
		1045	# rename old playerfiles to new ones
		1046	#TODO: remove when no longer required
		1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1050	aio_unlink +(playerdir $login) . "/$login.pl";
		1051
1090	my $pl = load_pl path $login	1052	my $pl = load_pl path $login
1091	or return;	1053	or return;
1092	$cf::PLAYER{$login} = $pl	1054	$cf::PLAYER{$login} = $pl
1093	}	1055	}
1094	}	1056	}
…		…
1131		1093
1132	=cut	1094	=cut
1133		1095
1134	sub quit_character {	1096	sub quit_character {
1135	my ($pl) = @_;	1097	my ($pl) = @_;
		1098
		1099	my $name = $pl->ob->name;
1136		1100
1137	$pl->{deny_save} = 1;	1101	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1102	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1103
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1109	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1110	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1111	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1112	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1113	$pl->destroy;
		1114
		1115	my $prefix = qr<^~\Q$name\E/>;
		1116
		1117	# nuke player maps
		1118	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1119
1150	IO::AIO::aio_rmtree $temp;	1120	IO::AIO::aio_rmtree $temp;
		1121	}
		1122
		1123	=item $pl->kick
		1124
		1125	Kicks a player out of the game. This destroys the connection.
		1126
		1127	=cut
		1128
		1129	sub kick {
		1130	my ($pl, $kicker) = @_;
		1131
		1132	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1133	$pl->killer ("kicked");
		1134	$pl->ns->destroy;
1151	}	1135	}
1152		1136
1153	=item cf::player::list_logins	1137	=item cf::player::list_logins
1154		1138
1155	Returns am arrayref of all valid playernames in the system, can take a	1139	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1140	while and may block, so not sync_job-capable, ever.
1157		1141
1158	=cut	1142	=cut
1159		1143
1160	sub list_logins {	1144	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1145	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1146	or return [];
1163		1147
1164	my @logins;	1148	my @logins;
1165		1149
1166	for my $login (@$dirs) {	1150	for my $login (@$dirs) {
…		…
1175	\@logins	1159	\@logins
1176	}	1160	}
1177		1161
1178	=item $player->maps	1162	=item $player->maps
1179		1163
1180	Returns an arrayref of cf::path's of all maps that are private for this	1164	Returns an arrayref of map paths that are private for this
1181	player. May block.	1165	player. May block.
1182		1166
1183	=cut	1167	=cut
1184		1168
1185	sub maps($) {	1169	sub maps($) {
1186	my ($pl) = @_;	1170	my ($pl) = @_;
		1171
		1172	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1173
1188	my $files = aio_readdir playerdir $pl	1174	my $files = aio_readdir playerdir $pl
1189	or return;	1175	or return;
1190		1176
1191	my @paths;	1177	my @paths;
…		…
1193	for (@$files) {	1179	for (@$files) {
1194	utf8::decode $_;	1180	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1181	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1182	next unless /^$PATH_SEP/o;
1197		1183
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1184	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1185	}
1200		1186
1201	\@paths	1187	\@paths
1202	}	1188	}
1203		1189
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1190	=item $player->ext_reply ($msgid, %msg)
1205		1191
1206	Sends an ext reply to the player.	1192	Sends an ext reply to the player.
1207		1193
1208	=cut	1194	=cut
1209		1195
1210	sub ext_reply($$$%) {	1196	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1197	my ($self, $id, %msg) = @_;
1212		1198
1213	$msg{msgid} = $id;	1199	$msg{msgid} = $id;
1214		1200
1215	$self->send ("ext " . cf::to_json \%msg);	1201	$self->send ("ext " . cf::to_json \%msg);
1216	}	1202	}
1217		1203
1218	package cf;	1204	=item $player->ext_event ($type, %msg)
		1205
		1206	Sends an ext event to the client.
		1207
		1208	=cut
		1209
		1210	sub ext_event($$%) {
		1211	my ($self, $type, %msg) = @_;
		1212
		1213	$self->ns->ext_event ($type, %msg);
		1214	}
		1215
		1216	=head3 cf::region
		1217
		1218	=over 4
		1219
		1220	=cut
		1221
		1222	package cf::region;
		1223
		1224	=item cf::region::find_by_path $path
		1225
		1226	Tries to decuce the probable region for a map knowing only its path.
		1227
		1228	=cut
		1229
		1230	sub find_by_path($) {
		1231	my ($path) = @_;
		1232
		1233	my ($match, $specificity);
		1234
		1235	for my $region (list) {
		1236	if ($region->match && $path =~ $region->match) {
		1237	($match, $specificity) = ($region, $region->specificity)
		1238	if $region->specificity > $specificity;
		1239	}
		1240	}
		1241
		1242	$match
		1243	}
1219		1244
1220	=back	1245	=back
1221
1222		1246
1223	=head3 cf::map	1247	=head3 cf::map
1224		1248
1225	=over 4	1249	=over 4
1226		1250
…		…
1229	package cf::map;	1253	package cf::map;
1230		1254
1231	use Fcntl;	1255	use Fcntl;
1232	use Coro::AIO;	1256	use Coro::AIO;
1233		1257
		1258	use overload
		1259	'""' => \&as_string,
		1260	fallback => 1;
		1261
1234	our $MAX_RESET = 3600;	1262	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1263	our $DEFAULT_RESET = 3000;
1236		1264
1237	sub generate_random_map {	1265	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1266	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1267	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1268	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1272	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1273	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1279	(cf::region::find $rmp->{region}), $rmp->{custom}
		1280	)
		1281	}
		1282
		1283	=item cf::map->register ($regex, $prio)
		1284
		1285	Register a handler for the map path matching the given regex at the
		1286	givne priority (higher is better, built-in handlers have priority 0, the
		1287	default).
		1288
		1289	=cut
		1290
		1291	sub register {
		1292	my (undef, $regex, $prio) = @_;
		1293	my $pkg = caller;
		1294
		1295	no strict;
		1296	push @{"$pkg\::ISA"}, __PACKAGE__;
		1297
		1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1299	}
		1300
		1301	# also paths starting with '/'
		1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1303
		1304	sub thawer_merge {
		1305	my ($self, $merge) = @_;
		1306
		1307	# we have to keep some variables in memory intact
		1308	local $self->{path};
		1309	local $self->{load_path};
		1310	local $self->{deny_save};
		1311	local $self->{deny_reset};
		1312
		1313	$self->SUPER::thawer_merge ($merge);
		1314	}
		1315
		1316	sub normalise {
		1317	my ($path, $base) = @_;
		1318
		1319	$path = "$path"; # make sure its a string
		1320
		1321	$path =~ s/\.map$//;
		1322
		1323	# map plan:
		1324	#
		1325	# /! non-realised random map exit (special hack!)
		1326	# {... are special paths that are not being touched
		1327	# ?xxx/... are special absolute paths
		1328	# ?random/... random maps
		1329	# /... normal maps
		1330	# ~user/... per-player map of a specific user
		1331
		1332	$path =~ s/$PATH_SEP/\//go;
		1333
		1334	# treat it as relative path if it starts with
		1335	# something that looks reasonable
		1336	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1337	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1338
		1339	$base =~ s{[^/]+/?$}{};
		1340	$path = "$base/$path";
		1341	}
		1342
		1343	for ($path) {
		1344	redo if s{//}{/};
		1345	redo if s{/\.?/}{/};
		1346	redo if s{/[^/]+/\.\./}{/};
		1347	}
		1348
		1349	$path
		1350	}
		1351
		1352	sub new_from_path {
		1353	my (undef, $path, $base) = @_;
		1354
		1355	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1356
		1357	$path = normalise $path, $base;
		1358
		1359	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1360	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1361	my $self = bless cf::map::new, $pkg;
		1362	$self->{path} = $path; $self->path ($path);
		1363	$self->init; # pass $1 etc.
		1364	return $self;
		1365	}
		1366	}
		1367
		1368	Carp::carp "unable to resolve path '$path' (base '$base').";
		1369	()
		1370	}
		1371
		1372	sub init {
		1373	my ($self) = @_;
		1374
		1375	$self
		1376	}
		1377
		1378	sub as_string {
		1379	my ($self) = @_;
		1380
		1381	"$self->{path}"
		1382	}
		1383
		1384	# the displayed name, this is a one way mapping
		1385	sub visible_name {
		1386	&as_string
		1387	}
		1388
		1389	# the original (read-only) location
		1390	sub load_path {
		1391	my ($self) = @_;
		1392
		1393	"$MAPDIR/$self->{path}.map"
		1394	}
		1395
		1396	# the temporary/swap location
		1397	sub save_path {
		1398	my ($self) = @_;
		1399
		1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1401	"$TMPDIR/$path.map"
		1402	}
		1403
		1404	# the unique path, undef == no special unique path
		1405	sub uniq_path {
		1406	my ($self) = @_;
		1407
		1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1409	"$UNIQUEDIR/$path"
1254	}	1410	}
1255		1411
1256	# and all this just because we cannot iterate over	1412	# and all this just because we cannot iterate over
1257	# all maps in C++...	1413	# all maps in C++...
1258	sub change_all_map_light {	1414	sub change_all_map_light {
…		…
1260		1416
1261	$_->change_map_light ($change)	1417	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1418	for grep $_->outdoor, values %cf::MAP;
1263	}	1419	}
1264		1420
		1421	sub unlink_save {
		1422	my ($self) = @_;
		1423
		1424	utf8::encode (my $save = $self->save_path);
		1425	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1426	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1427	}
		1428
1265	sub try_load_header($) {	1429	sub load_header_from($) {
1266	my ($path) = @_;	1430	my ($self, $path) = @_;
1267		1431
1268	utf8::encode $path;	1432	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1433	#aio_open $path, O_RDONLY, 0
		1434	# or return;
		1435
		1436	$self->_load_header ($path)
1270	or return;	1437	or return;
1271		1438
1272	my $map = cf::map::new	1439	$self->{load_path} = $path;
		1440
		1441	1
		1442	}
		1443
		1444	sub load_header_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->load_header_from ($self->load_path)
		1448	}
		1449
		1450	sub load_header_temp {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->save_path)
		1454	}
		1455
		1456	sub prepare_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->last_access ((delete $self->{last_access})
		1460	|| $cf::RUNTIME); #d#
		1461	# safety
		1462	$self->{instantiate_time} = $cf::RUNTIME
		1463	if $self->{instantiate_time} > $cf::RUNTIME;
		1464	}
		1465
		1466	sub prepare_orig {
		1467	my ($self) = @_;
		1468
		1469	$self->{load_original} = 1;
		1470	$self->{instantiate_time} = $cf::RUNTIME;
		1471	$self->last_access ($cf::RUNTIME);
		1472	$self->instantiate;
		1473	}
		1474
		1475	sub load_header {
		1476	my ($self) = @_;
		1477
		1478	if ($self->load_header_temp) {
		1479	$self->prepare_temp;
		1480	} else {
		1481	$self->load_header_orig
1273	or return;	1482	or return;
		1483	$self->prepare_orig;
		1484	}
1274		1485
1275	# for better error messages only, will be overwritten	1486	$self->default_region (cf::region::find_by_path $self->{path})
1276	$map->path ($path);	1487	unless $self->default_region;
1277		1488
1278	$map->load_header ($path)	1489	1
1279	or return;
1280
1281	$map->{load_path} = $path;
1282
1283	$map
1284	}	1490	}
1285		1491
1286	sub find;	1492	sub find;
1287	sub find {	1493	sub find {
1288	my ($path, $origin) = @_;	1494	my ($path, $origin) = @_;
1289		1495
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1496	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1497
1295	cf::lock_wait "map_find:$key";	1498	cf::lock_wait "map_find:$path";
1296		1499
1297	$cf::MAP{$key} || do {	1500	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1501	my $guard = cf::lock_acquire "map_find:$path";
1299		1502	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1503	or return;
1319		1504
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1505	$map->{last_save} = $cf::RUNTIME;
1332		1506
1333	Coro::cede;	1507	$map->load_header
		1508	or return;
1334		1509
1335	if ($map->should_reset) {	1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1511	# doing this can freeze the server in a sync job, obviously
		1512	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1513	$map->reset;
1337	undef $guard;	1514	undef $guard;
1338	$map = find $path	1515	return find $path;
1339	or return;
1340	}	1516	}
1341		1517
1342	$cf::MAP{$key} = $map	1518	$cf::MAP{$path} = $map
1343	}	1519	}
1344	}	1520	}
		1521
		1522	sub pre_load { }
		1523	sub post_load { }
1345		1524
1346	sub load {	1525	sub load {
1347	my ($self) = @_;	1526	my ($self) = @_;
1348		1527
		1528	local $self->{deny_reset} = 1; # loading can take a long time
		1529
1349	my $path = $self->{path};	1530	my $path = $self->{path};
		1531
		1532	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1533	my $guard = cf::lock_acquire "map_load:$path";
1351		1534
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1535	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1536
1354	$self->in_memory (cf::MAP_LOADING);	1537	$self->in_memory (cf::MAP_LOADING);
1355		1538
1356	$self->alloc;	1539	$self->alloc;
		1540
		1541	$self->pre_load;
		1542	Coro::cede;
		1543
1357	$self->load_objects ($self->{load_path}, 1)	1544	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1545	or return;
1359		1546
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1548	if delete $self->{load_original};
1362		1549
1363	if (my $uniq = $path->uniq_path) {	1550	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1551	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1552	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1553	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1554	$self->_load_objects ($uniq, 0);
1368	}	1555	}
1369	}	1556	}
1370		1557
1371	Coro::cede;	1558	Coro::cede;
1372
1373	# now do the right thing for maps	1559	# now do the right thing for maps
1374	$self->link_multipart_objects;	1560	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1561	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1562	unless $self->difficulty;
		1563	Coro::cede;
		1564
		1565	unless ($self->{deny_activate}) {
		1566	$self->decay_objects;
		1567	$self->fix_auto_apply;
		1568	$self->update_buttons;
		1569	Coro::cede;
		1570	$self->set_darkness_map;
		1571	Coro::cede;
1386	$self->activate;	1572	$self->activate;
1387	}	1573	}
1388		1574
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1575	$self->in_memory (cf::MAP_IN_MEMORY);
		1576	}
		1577
		1578	$self->post_load;
		1579	}
		1580
		1581	sub customise_for {
		1582	my ($self, $ob) = @_;
		1583
		1584	return find "~" . $ob->name . "/" . $self->{path}
		1585	if $self->per_player;
		1586
		1587	$self
1392	}	1588	}
1393		1589
1394	# find and load all maps in the 3x3 area around a map	1590	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1591	sub load_diag {
1396	my ($map) = @_;	1592	my ($map) = @_;
…		…
1426		1622
1427	cf::sync_job { $map->load };	1623	cf::sync_job { $map->load };
1428	}	1624	}
1429		1625
1430	our %MAP_PREFETCH;	1626	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1627	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1628
1446	sub find_async {	1629	sub find_async {
1447	my ($path, $origin) = @_;	1630	my ($path, $origin) = @_;
1448		1631
1449	$path = new cf::path $path, $origin && $origin->path;	1632	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1633
1452	if (my $map = $cf::MAP{$key}) {	1634	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1636	}
1455		1637
1456	$MAP_PREFETCH{$key} = $path;	1638	undef $MAP_PREFETCH{$path};
		1639	$MAP_PREFETCHER ||= cf::async {
		1640	while (%MAP_PREFETCH) {
		1641	for my $path (keys %MAP_PREFETCH) {
		1642	my $map = find $path
		1643	or next;
		1644	$map->load;
		1645
		1646	delete $MAP_PREFETCH{$path};
		1647	}
		1648	}
		1649	undef $MAP_PREFETCHER;
		1650	};
1457	$MAP_PREFETCHER->ready;	1651	$MAP_PREFETCHER->prio (6);
1458		1652
1459	()	1653	()
1460	}	1654	}
1461		1655
1462	sub save {	1656	sub save {
…		…
1466		1660
1467	$self->{last_save} = $cf::RUNTIME;	1661	$self->{last_save} = $cf::RUNTIME;
1468		1662
1469	return unless $self->dirty;	1663	return unless $self->dirty;
1470		1664
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1665	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1666	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1667
1474	$self->{load_path} = $save;	1668	$self->{load_path} = $save;
1475		1669
1476	return if $self->{deny_save};	1670	return if $self->{deny_save};
1477		1671
…		…
1480	cf::async {	1674	cf::async {
1481	$_->contr->save for $self->players;	1675	$_->contr->save for $self->players;
1482	};	1676	};
1483		1677
1484	if ($uniq) {	1678	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1681	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1683	}
1490	}	1684	}
1491		1685
1492	sub swap_out {	1686	sub swap_out {
1493	my ($self) = @_;	1687	my ($self) = @_;
…		…
1507		1701
1508	sub reset_at {	1702	sub reset_at {
1509	my ($self) = @_;	1703	my ($self) = @_;
1510		1704
1511	# TODO: safety, remove and allow resettable per-player maps	1705	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};	1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1513	return 1e99 if $self->{deny_reset};	1707	return 1e99 if $self->{deny_reset};
1514		1708
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1711
…		…
1522	my ($self) = @_;	1716	my ($self) = @_;
1523		1717
1524	$self->reset_at <= $cf::RUNTIME	1718	$self->reset_at <= $cf::RUNTIME
1525	}	1719	}
1526		1720
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1721	sub reset {
1549	my ($self) = @_;	1722	my ($self) = @_;
1550		1723
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1724	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1725
1553	return if $self->players;	1726	return if $self->players;
1554	return if $self->{path}{user_rel};#d#	1727	return if $self->isa ("ext::map_per_player");#d#
1555		1728
1556	warn "resetting map ", $self->path;#d#	1729	warn "resetting map ", $self->path;#d#
1557		1730
		1731	$self->in_memory (cf::MAP_SWAPPED);
		1732
		1733	# need to save uniques path
		1734	unless ($self->{deny_save}) {
		1735	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1736
		1737	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1738	if $uniq;
		1739	}
		1740
1558	delete $cf::MAP{$self->path};	1741	delete $cf::MAP{$self->path};
		1742
		1743	$self->clear;
1559		1744
1560	$_->clear_links_to ($self) for values %cf::MAP;	1745	$_->clear_links_to ($self) for values %cf::MAP;
1561		1746
1562	$self->unlink_save;	1747	$self->unlink_save;
1563	$self->destroy;	1748	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1751	my $nuke_counter = "aaaa";
1567		1752
1568	sub nuke {	1753	sub nuke {
1569	my ($self) = @_;	1754	my ($self) = @_;
1570		1755
		1756	delete $cf::MAP{$self->path};
		1757
		1758	$self->unlink_save;
		1759
		1760	bless $self, "cf::map";
		1761	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1762	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1763	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1765
		1766	$cf::MAP{$self->path} = $self;
		1767
1574	$self->reset; # polite request, might not happen	1768	$self->reset; # polite request, might not happen
1575	}	1769	}
1576		1770
1577	sub customise_for {
1578	my ($map, $ob) = @_;
1579
1580	if ($map->per_player) {
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1582	}
1583
1584	$map
1585	}
1586
1587	=item cf::map::unique_maps	1771	=item cf::map::unique_maps
1588		1772
1589	Returns an arrayref of cf::path's of all shared maps that have	1773	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1774	instantiated unique items. May block.
1591		1775
1592	=cut	1776	=cut
1593		1777
1594	sub unique_maps() {	1778	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1779	my $files = aio_readdir $UNIQUEDIR
1596	or return;	1780	or return;
1597		1781
1598	my @paths;	1782	my @paths;
1599		1783
1600	for (@$files) {	1784	for (@$files) {
1601	utf8::decode $_;	1785	utf8::decode $_;
1602	next if /\.pst$/;	1786	next if /\.pst$/;
1603	next unless /^$PATH_SEP/o;	1787	next unless /^$PATH_SEP/o;
1604		1788
1605	push @paths, new cf::path $_;	1789	push @paths, cf::map::normalise $_;
1606	}	1790	}
1607		1791
1608	\@paths	1792	\@paths
1609	}	1793	}
1610		1794
…		…
1685		1869
1686	=item $player_object->enter_link	1870	=item $player_object->enter_link
1687		1871
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1872	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1873
1690	The player should be reaosnably safe there for short amounts of time. You	1874	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	1875	I<MUST> call C<leave_link> as soon as possible, though.
1692		1876
		1877	Will never block.
		1878
1693	=item $player_object->leave_link ($map, $x, $y)	1879	=item $player_object->leave_link ($map, $x, $y)
1694		1880
1695	Moves the player out of the specila link map onto the given map. If the	1881	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1882	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1883	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1884	fails, to the emergency map position.
1699		1885
1700	Might block.	1886	Might block.
1701		1887
1702	=cut	1888	=cut
		1889
		1890	sub link_map {
		1891	unless ($LINK_MAP) {
		1892	$LINK_MAP = cf::map::find "{link}"
		1893	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1894	$LINK_MAP->load;
		1895	}
		1896
		1897	$LINK_MAP
		1898	}
1703		1899
1704	sub cf::object::player::enter_link {	1900	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1901	my ($self) = @_;
1706		1902
1707	$self->deactivate_recursive;	1903	$self->deactivate_recursive;
1708		1904
1709	return if $self->map == $LINK_MAP;	1905	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1906
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1908	if $self->map && $self->map->{path} ne "{link}";
1713		1909
1714	$self->enter_map ($LINK_MAP, 20, 20);	1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1911	}
1716		1912
1717	sub cf::object::player::leave_link {	1913	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1914	my ($self, $map, $x, $y) = @_;
		1915
		1916	return unless $self->contr->active;
1719		1917
1720	my $link_pos = delete $self->{_link_pos};	1918	my $link_pos = delete $self->{_link_pos};
1721		1919
1722	unless ($map) {	1920	unless ($map) {
1723	# restore original map position	1921	# restore original map position
…		…
1741	$map->load;	1939	$map->load;
1742	$map->load_diag;	1940	$map->load_diag;
1743		1941
1744	return unless $self->contr->active;	1942	return unless $self->contr->active;
1745	$self->activate_recursive;	1943	$self->activate_recursive;
		1944
		1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1946	$self->enter_map ($map, $x, $y);
1747	}	1947	}
1748		1948
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		1950
		1951	Moves the player to the given map-path and coordinates by first freezing
		1952	her, loading and preparing them map, calling the provided $check callback
		1953	that has to return the map if sucecssful, and then unfreezes the player on
		1954	the new (success) or old (failed) map position.
		1955
1783	=cut	1956	=cut
		1957
		1958	our $GOTOGEN;
1784		1959
1785	sub cf::object::player::goto {	1960	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	1961	my ($self, $path, $x, $y, $check) = @_;
1787		1962
1788	$path = new cf::path $path;	1963	# do generation counting so two concurrent goto's will be executed in-order
		1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		1965
1790	$self->enter_link;	1966	$self->enter_link;
1791		1967
1792	(async {	1968	(async {
		1969	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	1970	my $map = cf::map::find $path;
		1971
		1972	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	1973	$map = $map->customise_for ($self);
1795		1974	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	1975	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		1977	}
1800		1978
		1979	$map
		1980	};
		1981
		1982	if ($@) {
		1983	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		1984	LOG llevError | logBacktrace, Carp::longmess $@;
		1985	}
		1986
		1987	if ($gen == $self->{_goto_generation}) {
		1988	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	1989	$self->leave_link ($map, $x, $y);
		1990	}
1802	})->prio (1);	1991	})->prio (1);
1803	}	1992	}
1804		1993
1805	=item $player_object->enter_exit ($exit_object)	1994	=item $player_object->enter_exit ($exit_object)
1806		1995
…		…
1808		1997
1809	sub parse_random_map_params {	1998	sub parse_random_map_params {
1810	my ($spec) = @_;	1999	my ($spec) = @_;
1811		2000
1812	my $rmp = { # defaults	2001	my $rmp = { # defaults
1813	xsize => 10,	2002	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2003	ysize => (cf::rndm 15, 40),
		2004	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2005	#layout => string,
1815	};	2006	};
1816		2007
1817	for (split /\n/, $spec) {	2008	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2009	my ($k, $v) = split /\s+/, $_, 2;
1819		2010
…		…
1823	$rmp	2014	$rmp
1824	}	2015	}
1825		2016
1826	sub prepare_random_map {	2017	sub prepare_random_map {
1827	my ($exit) = @_;	2018	my ($exit) = @_;
		2019
		2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2021
1829	# all this does is basically replace the /! path by	2022	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2023	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2024	# that depends on the exit object
1832		2025
1833	my $rmp = parse_random_map_params $exit->msg;	2026	my $rmp = parse_random_map_params $exit->msg;
1834		2027
1835	if ($exit->map) {	2028	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2029	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2030	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2031	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2032	$rmp->{origin_y} = $exit->y;
1840	}	2033	}
1841		2034
1842	$rmp->{random_seed} ||= $exit->random_seed;	2035	$rmp->{random_seed} ||= $exit->random_seed;
1843		2036
1844	my $data = cf::to_json $rmp;	2037	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2038	my $md5 = Digest::MD5::md5_hex $data;
		2039	my $meta = "$RANDOMDIR/$md5.meta";
1846		2040
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2042	aio_write $fh, 0, (length $data), $data, 0;
		2043	undef $fh;
		2044	aio_rename "$meta~", $meta;
1849		2045
1850	$exit->slaying ("?random/$md5");	2046	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2047	$exit->msg (undef);
1852	}	2048	}
1853	}	2049	}
1854		2050
1855	sub cf::object::player::enter_exit {	2051	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2052	my ($self, $exit) = @_;
1857		2053
1858	return unless $self->type == cf::PLAYER;	2054	return unless $self->type == cf::PLAYER;
		2055
		2056	if ($exit->slaying eq "/!") {
		2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2058	# the problem is that $exit might not survive long enough
		2059	# so it needs to be done right now, right here
		2060	cf::sync_job { prepare_random_map $exit };
		2061	}
		2062
		2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2064	my $hp = $exit->stats->hp;
		2065	my $sp = $exit->stats->sp;
1859		2066
1860	$self->enter_link;	2067	$self->enter_link;
1861		2068
1862	(async {	2069	(async {
1863	$self->deactivate_recursive; # just to be sure	2070	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2071	unless (eval {
1865	prepare_random_map $exit	2072	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2073
1871	1;	2074	1;
1872	}) {	2075	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2076	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2077	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2078	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2079	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2080
1878	warn "ERROR in enter_exit: $@";	2081	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2082	$self->leave_link;
1880	}	2083	}
1881	})->prio (1);	2084	})->prio (1);
…		…
1894		2097
1895	sub cf::client::send_drawinfo {	2098	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2099	my ($self, $text, $flags) = @_;
1897		2100
1898	utf8::encode $text;	2101	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2103	}
1901		2104
		2105	=item $client->ext_event ($type, %msg)
		2106
		2107	Sends an exti event to the client.
		2108
		2109	=cut
		2110
		2111	sub cf::client::ext_event($$%) {
		2112	my ($self, $type, %msg) = @_;
		2113
		2114	$msg{msgtype} = "event_$type";
		2115	$self->send_packet ("ext " . cf::to_json \%msg);
		2116	}
1902		2117
1903	=item $success = $client->query ($flags, "text", \&cb)	2118	=item $success = $client->query ($flags, "text", \&cb)
1904		2119
1905	Queues a query to the client, calling the given callback with	2120	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2150	# get handled first
1936	my $queue = delete $ns->{query_queue}	2151	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2152	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2153
1939	(shift @$queue)->[1]->($msg);	2154	(shift @$queue)->[1]->($msg);
		2155	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2156
1941	push @{ $ns->{query_queue} }, @$queue;	2157	push @{ $ns->{query_queue} }, @$queue;
1942		2158
1943	if (@{ $ns->{query_queue} } == @$queue) {	2159	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2160	if (@$queue) {
…		…
2002		2218
2003	# here we export the classes and methods available to script code	2219	# here we export the classes and methods available to script code
2004		2220
2005	=pod	2221	=pod
2006		2222
2007	The following fucntions and emthods are available within a safe environment:	2223	The following functions and methods are available within a safe environment:
2008		2224
2009	cf::object contr pay_amount pay_player map	2225	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2226	cf::object::player player
2011	cf::player peaceful	2227	cf::player peaceful
2012	cf::map trigger	2228	cf::map trigger
…		…
2097	#############################################################################	2313	#############################################################################
2098		2314
2099	=head2 EXTENSION DATABASE SUPPORT	2315	=head2 EXTENSION DATABASE SUPPORT
2100		2316
2101	Crossfire maintains a very simple database for extension use. It can	2317	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2319	convert to/from binary).
2104		2320
2105	The parameter C<$family> should best start with the name of the extension	2321	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2322	using it, it should be unique.
2107		2323
2108	=over 4	2324	=over 4
2109		2325
2110	=item $hashref = cf::db_get $family
2111
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key	2326	=item $value = cf::db_get $family => $key
2117		2327
2118	Returns a single value from the database	2328	Returns a single value from the database.
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124		2329
2125	=item cf::db_put $family => $key => $value	2330	=item cf::db_put $family => $key => $value
2126		2331
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2332	Stores the given C<$value> in the family.
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137		2333
2138	=cut	2334	=cut
2139		2335
2140	our $DB;	2336	our $DB;
2141		2337
2142	{	2338	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2339	unless ($DB) {
		2340	$DB = BDB::db_create $DB_ENV;
2144		2341
2145	sub db_load() {	2342	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2343	eval {
2147	}	2344	$DB->set_flags (BDB::CHKSUM);
2148		2345
2149	my $pid;	2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2348	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2349	};
2153	if (0 == ($pid = fork)) {	2350	cf::cleanup "db_open(db): $@" if $@;
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}	2351	};
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2352	}
		2353	}
2171		2354
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2355	sub db_get($$) {
2178	@_ >= 2	2356	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2357
		2358	cf::sync_job {
		2359	BDB::db_get $DB, undef, $key, my $data;
		2360
		2361	$! ? ()
		2362	: $data
		2363	}
		2364	}
		2365
2183	sub db_put($$;$) {	2366	sub db_put($$$) {
2184	if (@_ >= 3) {	2367	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2369	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2370
2192	cf::global->attach (	2371	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2372
2194	on_cleanup => sub {	2373	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2374	caching and regenerating as required.
		2375
		2376	This function can block.
		2377
		2378	=cut
		2379
		2380	sub cache {
		2381	my ($id, $src, $processversion, $process) = @_;
		2382
		2383	my $meta =
		2384	join "\x00",
		2385	$processversion,
		2386	map {
		2387	aio_stat $_
		2388	and Carp::croak "$_: $!";
		2389
		2390	($_, (stat _)[7,9])
		2391	} @$src;
		2392
		2393	my $dbmeta = db_get cache => "$id/meta";
		2394	if ($dbmeta ne $meta) {
		2395	# changed, we may need to process
		2396
		2397	my @data;
		2398	my $md5;
		2399
		2400	for (0 .. $#$src) {
		2401	0 <= aio_load $src->[$_], $data[$_]
		2402	or Carp::croak "$src->[$_]: $!";
2196	},	2403	}
2197	);	2404
		2405	# if processing is expensive, check
		2406	# checksum first
		2407	if (1) {
		2408	$md5 =
		2409	join "\x00",
		2410	$processversion,
		2411	map {
		2412	Coro::cede;
		2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2414	} 0.. $#$src;
		2415
		2416
		2417	my $dbmd5 = db_get cache => "$id/md5";
		2418	if ($dbmd5 eq $md5) {
		2419	db_put cache => "$id/meta", $meta;
		2420
		2421	return db_get cache => "$id/data";
		2422	}
		2423	}
		2424
		2425	my $t1 = Time::HiRes::time;
		2426	my $data = $process->(\@data);
		2427	my $t2 = Time::HiRes::time;
		2428
		2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2430
		2431	db_put cache => "$id/data", $data;
		2432	db_put cache => "$id/md5" , $md5;
		2433	db_put cache => "$id/meta", $meta;
		2434
		2435	return $data;
		2436	}
		2437
		2438	db_get cache => "$id/data"
		2439	}
		2440
		2441	=item fork_call { }, $args
		2442
		2443	Executes the given code block with the given arguments in a seperate
		2444	process, returning the results. Everything must be serialisable with
		2445	Coro::Storable. May, of course, block. Note that the executed sub may
		2446	never block itself or use any form of Event handling.
		2447
		2448	=cut
		2449
		2450	sub fork_call(&@) {
		2451	my ($cb, @args) = @_;
		2452
		2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2454	# or die "socketpair: $!";
		2455	pipe my $fh1, my $fh2
		2456	or die "pipe: $!";
		2457
		2458	if (my $pid = fork) {
		2459	close $fh2;
		2460
		2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2462	$res = Coro::Storable::thaw $res;
		2463
		2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2465
		2466	die $$res unless "ARRAY" eq ref $res;
		2467
		2468	return wantarray ? @$res : $res->[-1];
		2469	} else {
		2470	reset_signals;
		2471	local $SIG{__WARN__};
		2472	local $SIG{__DIE__};
		2473	eval {
		2474	close $fh1;
		2475
		2476	my @res = eval { $cb->(@args) };
		2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2478	};
		2479
		2480	warn $@ if $@;
		2481	_exit 0;
		2482	}
2198	}	2483	}
2199		2484
2200	#############################################################################	2485	#############################################################################
2201	# the server's main()	2486	# the server's init and main functions
		2487
		2488	sub load_facedata($) {
		2489	my ($path) = @_;
		2490
		2491	warn "loading facedata from $path\n";
		2492
		2493	my $facedata;
		2494	0 < aio_load $path, $facedata
		2495	or die "$path: $!";
		2496
		2497	$facedata = Coro::Storable::thaw $facedata;
		2498
		2499	$facedata->{version} == 2
		2500	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2501
		2502	{
		2503	my $faces = $facedata->{faceinfo};
		2504
		2505	while (my ($face, $info) = each %$faces) {
		2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2510	Coro::cede;
		2511	}
		2512
		2513	while (my ($face, $info) = each %$faces) {
		2514	next unless $info->{smooth};
		2515	my $idx = cf::face::find $face
		2516	or next;
		2517	if (my $smooth = cf::face::find $info->{smooth}) {
		2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2519	} else {
		2520	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2521	}
		2522	Coro::cede;
		2523	}
		2524	}
		2525
		2526	{
		2527	my $anims = $facedata->{animinfo};
		2528
		2529	while (my ($anim, $info) = each %$anims) {
		2530	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2531	Coro::cede;
		2532	}
		2533
		2534	cf::anim::invalidate_all; # d'oh
		2535	}
		2536
		2537	1
		2538	}
		2539
		2540	sub reload_regions {
		2541	load_resource_file "$MAPDIR/regions"
		2542	or die "unable to load regions file\n";
		2543	}
		2544
		2545	sub reload_facedata {
		2546	load_facedata "$DATADIR/facedata"
		2547	or die "unable to load facedata\n";
		2548	}
		2549
		2550	sub reload_archetypes {
		2551	load_resource_file "$DATADIR/archetypes"
		2552	or die "unable to load archetypes\n";
		2553	}
		2554
		2555	sub reload_treasures {
		2556	load_resource_file "$DATADIR/treasures"
		2557	or die "unable to load treasurelists\n";
		2558	}
		2559
		2560	sub reload_resources {
		2561	warn "reloading resource files...\n";
		2562
		2563	reload_regions;
		2564	reload_facedata;
		2565	reload_archetypes;
		2566	reload_treasures;
		2567
		2568	warn "finished reloading resource files\n";
		2569	}
		2570
		2571	sub init {
		2572	reload_resources;
		2573	}
2202		2574
2203	sub cfg_load {	2575	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2576	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2577	or return;
2206		2578
2207	local $/;	2579	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2580	*CFG = YAML::Syck::Load <$fh>;
2209		2581
…		…
2223		2595
2224	sub main {	2596	sub main {
2225	# we must not ever block the main coroutine	2597	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2598	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2600	(async {
2228	async { Event::one_event };	2601	Event::one_event;
		2602	})->prio (Coro::PRIO_MAX);
2229	};	2603	};
2230		2604
2231	cfg_load;	2605	cfg_load;
2232	db_load;	2606	db_init;
2233	load_extensions;	2607	load_extensions;
		2608
		2609	$TICK_WATCHER->start;
2234	Event::loop;	2610	Event::loop;
2235	}	2611	}
2236		2612
2237	#############################################################################	2613	#############################################################################
2238	# initialisation and cleanup	2614	# initialisation and cleanup
2239		2615
2240	# install some emergency cleanup handlers	2616	# install some emergency cleanup handlers
2241	BEGIN {	2617	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2618	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2619	Event->signal (
		2620	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2621	data => WF_AUTOCANCEL,
2245	signal => $signal,	2622	signal => $signal,
		2623	prio => 0,
2246	cb => sub {	2624	cb => sub {
2247	cf::cleanup "SIG$signal";	2625	cf::cleanup "SIG$signal";
2248	},	2626	},
2249	);	2627	);
2250	}	2628	}
2251	}	2629	}
…		…
2256	warn "enter emergency perl save\n";	2634	warn "enter emergency perl save\n";
2257		2635
2258	cf::sync_job {	2636	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2637	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2638	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2639	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2640	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2641	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2642	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2643	$pl->valid or next;
2266	$pl->save;	2644	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2650	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2651	$map->valid or next;
2274	$map->save;	2652	$map->save;
2275	}	2653	}
2276	warn "end emergency map save\n";	2654	warn "end emergency map save\n";
		2655
		2656	warn "begin emergency database checkpoint\n";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658	warn "end emergency database checkpoint\n";
2277	};	2659	};
2278		2660
2279	warn "leave emergency perl save\n";	2661	warn "leave emergency perl save\n";
2280	}	2662	}
2281		2663
		2664	sub post_cleanup {
		2665	my ($make_core) = @_;
		2666
		2667	warn Carp::longmess "post_cleanup backtrace"
		2668	if $make_core;
		2669	}
		2670
2282	sub reload() {	2671	sub do_reload_perl() {
2283	# can/must only be called in main	2672	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2673	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2674	warn "can only reload from main coroutine";
2286	return;	2675	return;
2287	}	2676	}
2288		2677
2289	warn "reloading...";	2678	warn "reloading...";
2290		2679
2291	warn "freezing server";	2680	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2681
		2682	cf::sync_job {
		2683	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2684	cf::emergency_save;
		2685	cf::write_runtime; # external watchdog should not bark
2294		2686
2295	warn "sync database to disk";	2687	warn "syncing database to disk";
2296	cf::db_sync;	2688	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2689
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2690	# if anything goes wrong in here, we should simply crash as we already saved
2301		2691
2302	warn "cancel all watchers";	2692	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2693	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2695	}
2306		2696
		2697	warn "flushing outstanding aio requests";
		2698	for (;;) {
		2699	BDB::flush;
		2700	IO::AIO::flush;
		2701	Coro::cede;
		2702	last unless IO::AIO::nreqs || BDB::nreqs;
		2703	warn "iterate...";
		2704	}
		2705
		2706	++$RELOAD;
		2707
2307	warn "cancel all extension coros";	2708	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2709	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2710	%EXT_CORO = ();
2310		2711
2311	warn "remove commands";	2712	warn "removing commands";
2312	%COMMAND = ();	2713	%COMMAND = ();
2313		2714
2314	warn "remove ext commands";	2715	warn "removing ext commands";
2315	%EXTCMD = ();	2716	%EXTCMD = ();
2316		2717
2317	warn "unload/nuke all extensions";	2718	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2719	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	2720	warn "... unloading $pkg";
2320		2721
2321	if (my $cb = $pkg->can ("unload")) {	2722	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2723	eval {
2323	$cb->($pkg);	2724	$cb->($pkg);
2324	1	2725	1
2325	} or warn "$pkg unloaded, but with errors: $@";	2726	} or warn "$pkg unloaded, but with errors: $@";
2326	}	2727	}
2327		2728
		2729	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	2730	Symbol::delete_package $pkg;
2329	}	2731	}
2330		2732
2331	warn "unload all perl modules loaded from $LIBDIR";	2733	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	2734	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		2736
2335	warn "removing <$k>";	2737	warn "... unloading $k";
2336	delete $INC{$k};	2738	delete $INC{$k};
2337		2739
2338	$k =~ s/\.pm$//;	2740	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	2741	$k =~ s/\//::/g;
2340		2742
…		…
2343	}	2745	}
2344		2746
2345	Symbol::delete_package $k;	2747	Symbol::delete_package $k;
2346	}	2748	}
2347		2749
2348	warn "get rid of safe::, as good as possible";	2750	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	2751	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		2753
2352	warn "unload cf.pm \"a bit\"";	2754	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	2755	delete $INC{"cf.pm"};
		2756	delete $INC{"cf/pod.pm"};
2354		2757
2355	# don't, removes xs symbols, too,	2758	# don't, removes xs symbols, too,
2356	# and global variables created in xs	2759	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	2760	#Symbol::delete_package __PACKAGE__;
2358		2761
		2762	warn "unload completed, starting to reload now";
		2763
2359	warn "reloading cf.pm";	2764	warn "reloading cf.pm";
2360	require cf;	2765	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		2767
2363	warn "load config and database again";	2768	warn "loading config and database again";
2364	cf::cfg_load;	2769	cf::cfg_load;
2365	cf::db_load;
2366		2770
2367	warn "load extensions";	2771	warn "loading extensions";
2368	cf::load_extensions;	2772	cf::load_extensions;
2369		2773
2370	warn "reattach attachments to objects/players";	2774	warn "reattaching attachments to objects/players";
2371	_global_reattach;	2775	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	2776	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	2777	reattach $_ for values %MAP;
2374	};	2778	warn "reattaching attachments to players";
		2779	reattach $_ for values %PLAYER;
2375		2780
2376	if ($@) {	2781	warn "leaving sync_job";
		2782
		2783	1
		2784	} or do {
2377	warn $@;	2785	warn $@;
2378	warn "error while reloading, exiting.";	2786	warn "error while reloading, exiting.";
2379	exit 1;	2787	exit 1;
2380	}	2788	};
2381		2789
2382	warn "reloaded";	2790	warn "reloaded";
2383	};	2791	};
2384		2792
2385	#############################################################################	2793	our $RELOAD_WATCHER; # used only during reload
2386		2794
2387	unless ($LINK_MAP) {	2795	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	2796	# doing reload synchronously and two reloads happen back-to-back,
		2797	# coro crashes during coro_state_free->destroy here.
2389		2798
2390	$LINK_MAP->width (41);	2799	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	2800	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	2801	after => 0,
		2802	data => WF_AUTOCANCEL,
2400	cb => sub {	2803	cb => sub {
2401	$_[0]->w->cancel;	2804	do_reload_perl;
2402		2805	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	2806	},
2421		2807	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	2808	}
2427		2809
2428	register_command "reload" => sub {	2810	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	2811	my ($who, $arg) = @_;
2430		2812
2431	if ($who->flag (FLAG_WIZ)) {	2813	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	2814	$who->message ("reloading server.");
		2815	async { reload_perl };
2435	}	2816	}
2436	};	2817	};
2437		2818
2438	unshift @INC, $LIBDIR;	2819	unshift @INC, $LIBDIR;
2439		2820
		2821	my $bug_warning = 0;
		2822
		2823	our @WAIT_FOR_TICK;
		2824	our @WAIT_FOR_TICK_BEGIN;
		2825
		2826	sub wait_for_tick {
		2827	return unless $TICK_WATCHER->is_active;
		2828	return if $Coro::current == $Coro::main;
		2829
		2830	my $signal = new Coro::Signal;
		2831	push @WAIT_FOR_TICK, $signal;
		2832	$signal->wait;
		2833	}
		2834
		2835	sub wait_for_tick_begin {
		2836	return unless $TICK_WATCHER->is_active;
		2837	return if $Coro::current == $Coro::main;
		2838
		2839	my $signal = new Coro::Signal;
		2840	push @WAIT_FOR_TICK_BEGIN, $signal;
		2841	$signal->wait;
		2842	}
		2843
		2844	my $min = 1e6;#d#
		2845	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	2846	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	2847	reentrant => 0,
		2848	parked => 1,
2442	prio => 0,	2849	prio => 0,
2443	at => $NEXT_TICK || $TICK,	2850	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	2851	data => WF_AUTOCANCEL,
2445	cb => sub {	2852	cb => sub {
		2853	if ($Coro::current != $Coro::main) {
		2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2855	unless ++$bug_warning > 10;
		2856	return;
		2857	}
		2858
		2859	$NOW = $tick_start = Event::time;
		2860
2446	cf::server_tick; # one server iteration	2861	cf::server_tick; # one server iteration
		2862
		2863	0 && sync_job {#d#
		2864	for(1..10) {
		2865	my $t = Event::time;
		2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2867	or die;
		2868
		2869	$map->width (50);
		2870	$map->height (50);
		2871	$map->alloc;
		2872	$map->_load_objects ("/tmp/x.map", 1);
		2873	my $t = Event::time - $t;
		2874
		2875	#next unless $t < 0.0013;#d#
		2876	if ($t < $min) {
		2877	$min = $t;
		2878	}
		2879	$avg = $avg * 0.99 + $t * 0.01;
		2880	}
		2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2882	exit 0;
		2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2884	};
		2885
2447	$RUNTIME += $TICK;	2886	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	2887	$NEXT_TICK += $TICK;
2449		2888
2450	$WAIT_FOR_TICK->broadcast;	2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2891	Coro::async_pool {
		2892	write_runtime
		2893	or warn "ERROR: unable to write runtime file: $!";
		2894	};
		2895	}
		2896
		2897	# my $AFTER = Event::time;
		2898	# warn $AFTER - $NOW;#d#
		2899
		2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2901	$sig->send;
		2902	}
		2903	while (my $sig = shift @WAIT_FOR_TICK) {
		2904	$sig->send;
		2905	}
		2906
		2907	$NOW = Event::time;
2452		2908
2453	# if we are delayed by four ticks or more, skip them all	2909	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		2911
2456	$TICK_WATCHER->at ($NEXT_TICK);	2912	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	2913	$TICK_WATCHER->start;
		2914
		2915	$LOAD = ($NOW - $tick_start) / $TICK;
		2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2917
		2918	_post_tick;
		2919
		2920
2458	},	2921	},
2459	);	2922	);
2460		2923
		2924	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	2925	BDB::max_poll_time $TICK * 0.1;
2462		2926	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	2927	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	2928	fd => BDB::poll_fileno,
2465	poll => 'r',	2929	poll => 'r',
2466	prio => 5,	2930	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	2931	data => WF_AUTOCANCEL,
2473	after => 0,	2932	cb => \&BDB::poll_cb,
2474	interval => 10,	2933	);
2475	cb => sub {	2934	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	2935
2477	write_runtime	2936	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	2937	my $status;
		2938	my $current = $Coro::current;
		2939	(
		2940	sub {
		2941	$status = $!;
		2942	$current->ready; undef $current;
		2943	},
		2944	sub {
		2945	Coro::schedule while defined $current;
		2946	$! = $status;
		2947	},
		2948	)
		2949	};
		2950
		2951	unless ($DB_ENV) {
		2952	$DB_ENV = BDB::db_env_create;
		2953
		2954	cf::sync_job {
		2955	eval {
		2956	BDB::db_env_open
		2957	$DB_ENV,
		2958	$BDBDIR,
		2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2961	0666;
		2962
		2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2964
		2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2966	$DB_ENV->set_lk_detect;
		2967	};
		2968
		2969	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	2970	};
2480	},	2971	}
2481	);	2972	}
		2973
		2974	{
		2975	IO::AIO::min_parallel 8;
		2976
		2977	undef $Coro::AIO::WATCHER;
		2978	IO::AIO::max_poll_time $TICK * 0.1;
		2979	$AIO_POLL_WATCHER = Event->io (
		2980	reentrant => 0,
		2981	data => WF_AUTOCANCEL,
		2982	fd => IO::AIO::poll_fileno,
		2983	poll => 'r',
		2984	prio => 6,
		2985	cb => \&IO::AIO::poll_cb,
		2986	);
		2987	}
		2988
		2989	my $_log_backtrace;
		2990
		2991	sub _log_backtrace {
		2992	my ($msg, @addr) = @_;
		2993
		2994	$msg =~ s/\n//;
		2995
		2996	# limit the # of concurrent backtraces
		2997	if ($_log_backtrace < 2) {
		2998	++$_log_backtrace;
		2999	async {
		3000	my @bt = fork_call {
		3001	@addr = map { sprintf "%x", $_ } @addr;
		3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3004	or die "addr2line: $!";
		3005
		3006	my @funcs;
		3007	my @res = <$fh>;
		3008	chomp for @res;
		3009	while (@res) {
		3010	my ($func, $line) = splice @res, 0, 2, ();
		3011	push @funcs, "[$func] $line";
		3012	}
		3013
		3014	@funcs
		3015	};
		3016
		3017	LOG llevInfo, "[ABT] $msg\n";
		3018	LOG llevInfo, "[ABT] $_\n" for @bt;
		3019	--$_log_backtrace;
		3020	};
		3021	} else {
		3022	LOG llevInfo, "[ABT] $msg\n";
		3023	LOG llevInfo, "[ABT] [suppressed]\n";
		3024	}
		3025	}
		3026
		3027	# load additional modules
		3028	use cf::pod;
2482		3029
2483	END { cf::emergency_save }	3030	END { cf::emergency_save }
2484		3031
2485	1	3032	1
2486		3033

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