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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.277 by root, Sun Jun 10 04:24:50 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~", $runtime
357	and return;	426	and return;
358		427
		428	warn "runtime file written.\n";
		429
359	1	430	1
360	}	431	}
361		432
		433	=item cf::datalog type => key => value, ...
		434
		435	Log a datalog packet of the given type with the given key-value pairs.
		436
		437	=cut
		438
		439	sub datalog($@) {
		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";
…		…
908	or return;	873	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	874	$av = eval { (Storable::thaw $av)->{objs} };
910	}	875	}
911		876
912	warn sprintf "loading %s (%d)\n",	877	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	878	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	879	return ($data, $av);
915	}	880	}
916		881
917	#############################################################################	882	#############################################################################
918	# command handling &c	883	# command handling &c
…		…
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
		1311	$self->SUPER::thawer_merge ($merge);
		1312	}
		1313
		1314	sub normalise {
		1315	my ($path, $base) = @_;
		1316
		1317	$path = "$path"; # make sure its a string
		1318
		1319	$path =~ s/\.map$//;
		1320
		1321	# map plan:
		1322	#
		1323	# /! non-realised random map exit (special hack!)
		1324	# {... are special paths that are not being touched
		1325	# ?xxx/... are special absolute paths
		1326	# ?random/... random maps
		1327	# /... normal maps
		1328	# ~user/... per-player map of a specific user
		1329
		1330	$path =~ s/$PATH_SEP/\//go;
		1331
		1332	# treat it as relative path if it starts with
		1333	# something that looks reasonable
		1334	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1335	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1336
		1337	$base =~ s{[^/]+/?$}{};
		1338	$path = "$base/$path";
		1339	}
		1340
		1341	for ($path) {
		1342	redo if s{//}{/};
		1343	redo if s{/\.?/}{/};
		1344	redo if s{/[^/]+/\.\./}{/};
		1345	}
		1346
		1347	$path
		1348	}
		1349
		1350	sub new_from_path {
		1351	my (undef, $path, $base) = @_;
		1352
		1353	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1354
		1355	$path = normalise $path, $base;
		1356
		1357	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1358	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1359	my $self = bless cf::map::new, $pkg;
		1360	$self->{path} = $path; $self->path ($path);
		1361	$self->init; # pass $1 etc.
		1362	return $self;
		1363	}
		1364	}
		1365
		1366	Carp::carp "unable to resolve path '$path' (base '$base').";
		1367	()
		1368	}
		1369
		1370	sub init {
		1371	my ($self) = @_;
		1372
		1373	$self
		1374	}
		1375
		1376	sub as_string {
		1377	my ($self) = @_;
		1378
		1379	"$self->{path}"
		1380	}
		1381
		1382	# the displayed name, this is a one way mapping
		1383	sub visible_name {
		1384	&as_string
		1385	}
		1386
		1387	# the original (read-only) location
		1388	sub load_path {
		1389	my ($self) = @_;
		1390
		1391	"$MAPDIR/$self->{path}.map"
		1392	}
		1393
		1394	# the temporary/swap location
		1395	sub save_path {
		1396	my ($self) = @_;
		1397
		1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1399	"$TMPDIR/$path.map"
		1400	}
		1401
		1402	# the unique path, undef == no special unique path
		1403	sub uniq_path {
		1404	my ($self) = @_;
		1405
		1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1407	"$UNIQUEDIR/$path"
1254	}	1408	}
1255		1409
1256	# and all this just because we cannot iterate over	1410	# and all this just because we cannot iterate over
1257	# all maps in C++...	1411	# all maps in C++...
1258	sub change_all_map_light {	1412	sub change_all_map_light {
…		…
1260		1414
1261	$_->change_map_light ($change)	1415	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1416	for grep $_->outdoor, values %cf::MAP;
1263	}	1417	}
1264		1418
		1419	sub decay_objects {
		1420	my ($self) = @_;
		1421
		1422	return if $self->{deny_reset};
		1423
		1424	$self->do_decay_objects;
		1425	}
		1426
		1427	sub unlink_save {
		1428	my ($self) = @_;
		1429
		1430	utf8::encode (my $save = $self->save_path);
		1431	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1432	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1433	}
		1434
1265	sub try_load_header($) {	1435	sub load_header_from($) {
1266	my ($path) = @_;	1436	my ($self, $path) = @_;
1267		1437
1268	utf8::encode $path;	1438	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1439	#aio_open $path, O_RDONLY, 0
		1440	# or return;
		1441
		1442	$self->_load_header ($path)
1270	or return;	1443	or return;
1271		1444
1272	my $map = cf::map::new	1445	$self->{load_path} = $path;
		1446
		1447	1
		1448	}
		1449
		1450	sub load_header_orig {
		1451	my ($self) = @_;
		1452
		1453	$self->load_header_from ($self->load_path)
		1454	}
		1455
		1456	sub load_header_temp {
		1457	my ($self) = @_;
		1458
		1459	$self->load_header_from ($self->save_path)
		1460	}
		1461
		1462	sub prepare_temp {
		1463	my ($self) = @_;
		1464
		1465	$self->last_access ((delete $self->{last_access})
		1466	|| $cf::RUNTIME); #d#
		1467	# safety
		1468	$self->{instantiate_time} = $cf::RUNTIME
		1469	if $self->{instantiate_time} > $cf::RUNTIME;
		1470	}
		1471
		1472	sub prepare_orig {
		1473	my ($self) = @_;
		1474
		1475	$self->{load_original} = 1;
		1476	$self->{instantiate_time} = $cf::RUNTIME;
		1477	$self->last_access ($cf::RUNTIME);
		1478	$self->instantiate;
		1479	}
		1480
		1481	sub load_header {
		1482	my ($self) = @_;
		1483
		1484	if ($self->load_header_temp) {
		1485	$self->prepare_temp;
		1486	} else {
		1487	$self->load_header_orig
1273	or return;	1488	or return;
		1489	$self->prepare_orig;
		1490	}
1274		1491
1275	# for better error messages only, will be overwritten	1492	$self->{deny_reset} = 1
1276	$map->path ($path);	1493	if $self->no_reset;
1277		1494
1278	$map->load_header ($path)	1495	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1496	unless $self->default_region;
1280		1497
1281	$map->{load_path} = $path;	1498	1
1282
1283	$map
1284	}	1499	}
1285		1500
1286	sub find;	1501	sub find;
1287	sub find {	1502	sub find {
1288	my ($path, $origin) = @_;	1503	my ($path, $origin) = @_;
1289		1504
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1505	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1506
1295	cf::lock_wait "map_find:$key";	1507	cf::lock_wait "map_find:$path";
1296		1508
1297	$cf::MAP{$key} || do {	1509	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1510	my $guard = cf::lock_acquire "map_find:$path";
1299		1511	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;	1512	or return;
1319		1513
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;	1514	$map->{last_save} = $cf::RUNTIME;
1332		1515
1333	Coro::cede;	1516	$map->load_header
		1517	or return;
1334		1518
1335	if ($map->should_reset) {	1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1520	# doing this can freeze the server in a sync job, obviously
		1521	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1522	$map->reset;
1337	undef $guard;	1523	undef $guard;
1338	$map = find $path	1524	return find $path;
1339	or return;
1340	}	1525	}
1341		1526
1342	$cf::MAP{$key} = $map	1527	$cf::MAP{$path} = $map
1343	}	1528	}
1344	}	1529	}
		1530
		1531	sub pre_load { }
		1532	sub post_load { }
1345		1533
1346	sub load {	1534	sub load {
1347	my ($self) = @_;	1535	my ($self) = @_;
1348		1536
		1537	local $self->{deny_reset} = 1; # loading can take a long time
		1538
1349	my $path = $self->{path};	1539	my $path = $self->{path};
		1540
		1541	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1542	my $guard = cf::lock_acquire "map_load:$path";
1351		1543
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1544	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1545
1354	$self->in_memory (cf::MAP_LOADING);	1546	$self->in_memory (cf::MAP_LOADING);
1355		1547
1356	$self->alloc;	1548	$self->alloc;
		1549
		1550	$self->pre_load;
		1551	Coro::cede;
		1552
1357	$self->load_objects ($self->{load_path}, 1)	1553	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1554	or return;
1359		1555
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1557	if delete $self->{load_original};
1362		1558
1363	if (my $uniq = $path->uniq_path) {	1559	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1560	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1561	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1562	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1563	$self->_load_objects ($uniq, 0);
1368	}	1564	}
1369	}	1565	}
1370		1566
1371	Coro::cede;	1567	Coro::cede;
1372
1373	# now do the right thing for maps	1568	# now do the right thing for maps
1374	$self->link_multipart_objects;	1569	$self->link_multipart_objects;
1375
1376	if ($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)	1570	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1571	unless $self->difficulty;
		1572	Coro::cede;
		1573
		1574	unless ($self->{deny_activate}) {
		1575	$self->decay_objects;
		1576	$self->fix_auto_apply;
		1577	$self->update_buttons;
		1578	Coro::cede;
		1579	$self->set_darkness_map;
		1580	Coro::cede;
1386	$self->activate;	1581	$self->activate;
1387	}	1582	}
1388		1583
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1584	$self->in_memory (cf::MAP_IN_MEMORY);
		1585	}
		1586
		1587	$self->post_load;
		1588	}
		1589
		1590	sub customise_for {
		1591	my ($self, $ob) = @_;
		1592
		1593	return find "~" . $ob->name . "/" . $self->{path}
		1594	if $self->per_player;
		1595
		1596	# return find "?party/" . $ob->name . "/" . $self->{path}
		1597	# if $self->per_party;
		1598
		1599	$self
1392	}	1600	}
1393		1601
1394	# find and load all maps in the 3x3 area around a map	1602	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1603	sub load_diag {
1396	my ($map) = @_;	1604	my ($map) = @_;
…		…
1426		1634
1427	cf::sync_job { $map->load };	1635	cf::sync_job { $map->load };
1428	}	1636	}
1429		1637
1430	our %MAP_PREFETCH;	1638	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1639	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	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1640
1446	sub find_async {	1641	sub find_async {
1447	my ($path, $origin) = @_;	1642	my ($path, $origin) = @_;
1448		1643
1449	$path = new cf::path $path, $origin && $origin->path;	1644	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1645
1452	if (my $map = $cf::MAP{$key}) {	1646	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1648	}
1455		1649
1456	$MAP_PREFETCH{$key} = $path;	1650	undef $MAP_PREFETCH{$path};
		1651	$MAP_PREFETCHER ||= cf::async {
		1652	while (%MAP_PREFETCH) {
		1653	for my $path (keys %MAP_PREFETCH) {
		1654	my $map = find $path
		1655	or next;
		1656	$map->load;
		1657
		1658	delete $MAP_PREFETCH{$path};
		1659	}
		1660	}
		1661	undef $MAP_PREFETCHER;
		1662	};
1457	$MAP_PREFETCHER->ready;	1663	$MAP_PREFETCHER->prio (6);
1458		1664
1459	()	1665	()
1460	}	1666	}
1461		1667
1462	sub save {	1668	sub save {
…		…
1466		1672
1467	$self->{last_save} = $cf::RUNTIME;	1673	$self->{last_save} = $cf::RUNTIME;
1468		1674
1469	return unless $self->dirty;	1675	return unless $self->dirty;
1470		1676
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1677	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1679
1474	$self->{load_path} = $save;	1680	$self->{load_path} = $save;
1475		1681
1476	return if $self->{deny_save};	1682	return if $self->{deny_save};
1477		1683
…		…
1480	cf::async {	1686	cf::async {
1481	$_->contr->save for $self->players;	1687	$_->contr->save for $self->players;
1482	};	1688	};
1483		1689
1484	if ($uniq) {	1690	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1693	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1695	}
1490	}	1696	}
1491		1697
1492	sub swap_out {	1698	sub swap_out {
1493	my ($self) = @_;	1699	my ($self) = @_;
…		…
1507		1713
1508	sub reset_at {	1714	sub reset_at {
1509	my ($self) = @_;	1715	my ($self) = @_;
1510		1716
1511	# TODO: safety, remove and allow resettable per-player maps	1717	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1718	return 1e99 if $self->{deny_reset};
1514		1719
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1720	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1721	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1722
…		…
1522	my ($self) = @_;	1727	my ($self) = @_;
1523		1728
1524	$self->reset_at <= $cf::RUNTIME	1729	$self->reset_at <= $cf::RUNTIME
1525	}	1730	}
1526		1731
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	1732	sub reset {
1549	my ($self) = @_;	1733	my ($self) = @_;
1550		1734
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1735	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1736
1553	return if $self->players;	1737	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1738
1556	warn "resetting map ", $self->path;#d#	1739	warn "resetting map ", $self->path;
		1740
		1741	$self->in_memory (cf::MAP_SWAPPED);
		1742
		1743	# need to save uniques path
		1744	unless ($self->{deny_save}) {
		1745	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1746
		1747	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1748	if $uniq;
		1749	}
1557		1750
1558	delete $cf::MAP{$self->path};	1751	delete $cf::MAP{$self->path};
		1752
		1753	$self->clear;
1559		1754
1560	$_->clear_links_to ($self) for values %cf::MAP;	1755	$_->clear_links_to ($self) for values %cf::MAP;
1561		1756
1562	$self->unlink_save;	1757	$self->unlink_save;
1563	$self->destroy;	1758	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	1761	my $nuke_counter = "aaaa";
1567		1762
1568	sub nuke {	1763	sub nuke {
1569	my ($self) = @_;	1764	my ($self) = @_;
1570		1765
		1766	delete $cf::MAP{$self->path};
		1767
		1768	$self->unlink_save;
		1769
		1770	bless $self, "cf::map";
		1771	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	1772	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	1773	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1775
		1776	$cf::MAP{$self->path} = $self;
		1777
1574	$self->reset; # polite request, might not happen	1778	$self->reset; # polite request, might not happen
1575	}	1779	}
1576		1780
1577	sub customise_for {	1781	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		1782
1580	if ($map->per_player) {	1783	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1784	maps. May block.
		1785
		1786	=cut
		1787
		1788	sub tmp_maps() {
1582	}	1789	[
		1790	map {
		1791	utf8::decode $_;
		1792	/\.map$/
		1793	? normalise $_
		1794	: ()
		1795	} @{ aio_readdir $TMPDIR or [] }
		1796	]
		1797	}
1583		1798
1584	$map	1799	=item $maps = cf::map::random_maps
		1800
		1801	Returns an arrayref with all map paths of currently instantiated and saved
		1802	random maps. May block.
		1803
		1804	=cut
		1805
		1806	sub random_maps() {
		1807	[
		1808	map {
		1809	utf8::decode $_;
		1810	/\.map$/
		1811	? normalise "?random/$_"
		1812	: ()
		1813	} @{ aio_readdir $RANDOMDIR or [] }
		1814	]
1585	}	1815	}
1586		1816
1587	=item cf::map::unique_maps	1817	=item cf::map::unique_maps
1588		1818
1589	Returns an arrayref of cf::path's of all shared maps that have	1819	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	1820	instantiated unique items. May block.
1591		1821
1592	=cut	1822	=cut
1593		1823
1594	sub unique_maps() {	1824	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1825	[
1596	or return;	1826	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	1827	utf8::decode $_;
1602	next if /\.pst$/;	1828	/\.map$/
1603	next unless /^$PATH_SEP/o;	1829	? normalise $_
1604		1830	: ()
1605	push @paths, new cf::path $_;	1831	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	1832	]
1607
1608	\@paths
1609	}	1833	}
1610		1834
1611	package cf;	1835	package cf;
1612		1836
1613	=back	1837	=back
…		…
1685		1909
1686	=item $player_object->enter_link	1910	=item $player_object->enter_link
1687		1911
1688	Freezes the player and moves him/her to a special map (C<{link}>).	1912	Freezes the player and moves him/her to a special map (C<{link}>).
1689		1913
1690	The player should be reaosnably safe there for short amounts of time. You	1914	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.	1915	I<MUST> call C<leave_link> as soon as possible, though.
1692		1916
		1917	Will never block.
		1918
1693	=item $player_object->leave_link ($map, $x, $y)	1919	=item $player_object->leave_link ($map, $x, $y)
1694		1920
1695	Moves the player out of the specila link map onto the given map. If the	1921	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	1922	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	1923	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	1924	fails, to the emergency map position.
1699		1925
1700	Might block.	1926	Might block.
1701		1927
1702	=cut	1928	=cut
		1929
		1930	sub link_map {
		1931	unless ($LINK_MAP) {
		1932	$LINK_MAP = cf::map::find "{link}"
		1933	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1934	$LINK_MAP->load;
		1935	}
		1936
		1937	$LINK_MAP
		1938	}
1703		1939
1704	sub cf::object::player::enter_link {	1940	sub cf::object::player::enter_link {
1705	my ($self) = @_;	1941	my ($self) = @_;
1706		1942
1707	$self->deactivate_recursive;	1943	$self->deactivate_recursive;
1708		1944
1709	return if $self->map == $LINK_MAP;	1945	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		1946
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1947	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	1948	if $self->map && $self->map->{path} ne "{link}";
1713		1949
1714	$self->enter_map ($LINK_MAP, 20, 20);	1950	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	1951	}
1716		1952
1717	sub cf::object::player::leave_link {	1953	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	1954	my ($self, $map, $x, $y) = @_;
		1955
		1956	return unless $self->contr->active;
1719		1957
1720	my $link_pos = delete $self->{_link_pos};	1958	my $link_pos = delete $self->{_link_pos};
1721		1959
1722	unless ($map) {	1960	unless ($map) {
1723	# restore original map position	1961	# restore original map position
…		…
1741	$map->load;	1979	$map->load;
1742	$map->load_diag;	1980	$map->load_diag;
1743		1981
1744	return unless $self->contr->active;	1982	return unless $self->contr->active;
1745	$self->activate_recursive;	1983	$self->activate_recursive;
		1984
		1985	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	1986	$self->enter_map ($map, $x, $y);
1747	}	1987	}
1748		1988
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($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)	1989	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		1990
		1991	Moves the player to the given map-path and coordinates by first freezing
		1992	her, loading and preparing them map, calling the provided $check callback
		1993	that has to return the map if sucecssful, and then unfreezes the player on
		1994	the new (success) or old (failed) map position.
		1995
1783	=cut	1996	=cut
		1997
		1998	our $GOTOGEN;
1784		1999
1785	sub cf::object::player::goto {	2000	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2001	my ($self, $path, $x, $y, $check) = @_;
1787		2002
1788	$path = new cf::path $path;	2003	# do generation counting so two concurrent goto's will be executed in-order
		2004	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2005
1790	$self->enter_link;	2006	$self->enter_link;
1791		2007
1792	(async {	2008	(async {
		2009	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2010	my $map = cf::map::find $path;
		2011
		2012	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2013	$map = $map->customise_for ($self);
1795		2014	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2015	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2016	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2017	}
1800		2018
		2019	$map
		2020	};
		2021
		2022	if ($@) {
		2023	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2024	LOG llevError | logBacktrace, Carp::longmess $@;
		2025	}
		2026
		2027	if ($gen == $self->{_goto_generation}) {
		2028	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2029	$self->leave_link ($map, $x, $y);
		2030	}
1802	})->prio (1);	2031	})->prio (1);
1803	}	2032	}
1804		2033
1805	=item $player_object->enter_exit ($exit_object)	2034	=item $player_object->enter_exit ($exit_object)
1806		2035
…		…
1808		2037
1809	sub parse_random_map_params {	2038	sub parse_random_map_params {
1810	my ($spec) = @_;	2039	my ($spec) = @_;
1811		2040
1812	my $rmp = { # defaults	2041	my $rmp = { # defaults
1813	xsize => 10,	2042	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2043	ysize => (cf::rndm 15, 40),
		2044	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2045	#layout => string,
1815	};	2046	};
1816		2047
1817	for (split /\n/, $spec) {	2048	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2049	my ($k, $v) = split /\s+/, $_, 2;
1819		2050
…		…
1823	$rmp	2054	$rmp
1824	}	2055	}
1825		2056
1826	sub prepare_random_map {	2057	sub prepare_random_map {
1827	my ($exit) = @_;	2058	my ($exit) = @_;
		2059
		2060	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2061
1829	# all this does is basically replace the /! path by	2062	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2063	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2064	# that depends on the exit object
1832		2065
1833	my $rmp = parse_random_map_params $exit->msg;	2066	my $rmp = parse_random_map_params $exit->msg;
1834		2067
1835	if ($exit->map) {	2068	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2069	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2070	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2071	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2072	$rmp->{origin_y} = $exit->y;
1840	}	2073	}
1841		2074
1842	$rmp->{random_seed} ||= $exit->random_seed;	2075	$rmp->{random_seed} ||= $exit->random_seed;
1843		2076
1844	my $data = cf::to_json $rmp;	2077	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2078	my $md5 = Digest::MD5::md5_hex $data;
		2079	my $meta = "$RANDOMDIR/$md5.meta";
1846		2080
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2081	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2082	aio_write $fh, 0, (length $data), $data, 0;
		2083	undef $fh;
		2084	aio_rename "$meta~", $meta;
1849		2085
1850	$exit->slaying ("?random/$md5");	2086	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2087	$exit->msg (undef);
1852	}	2088	}
1853	}	2089	}
1854		2090
1855	sub cf::object::player::enter_exit {	2091	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2092	my ($self, $exit) = @_;
1857		2093
1858	return unless $self->type == cf::PLAYER;	2094	return unless $self->type == cf::PLAYER;
		2095
		2096	if ($exit->slaying eq "/!") {
		2097	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2098	# the problem is that $exit might not survive long enough
		2099	# so it needs to be done right now, right here
		2100	cf::sync_job { prepare_random_map $exit };
		2101	}
		2102
		2103	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2104	my $hp = $exit->stats->hp;
		2105	my $sp = $exit->stats->sp;
1859		2106
1860	$self->enter_link;	2107	$self->enter_link;
1861		2108
1862	(async {	2109	(async {
1863	$self->deactivate_recursive; # just to be sure	2110	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2111	unless (eval {
1865	prepare_random_map $exit	2112	$self->goto ($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		2113
1871	1;	2114	1;
1872	}) {	2115	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2116	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2117	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2118	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2119	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2120
1878	warn "ERROR in enter_exit: $@";	2121	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2122	$self->leave_link;
1880	}	2123	}
1881	})->prio (1);	2124	})->prio (1);
…		…
1894		2137
1895	sub cf::client::send_drawinfo {	2138	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2139	my ($self, $text, $flags) = @_;
1897		2140
1898	utf8::encode $text;	2141	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2142	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2143	}
1901		2144
		2145	=item $client->ext_event ($type, %msg)
		2146
		2147	Sends an exti event to the client.
		2148
		2149	=cut
		2150
		2151	sub cf::client::ext_event($$%) {
		2152	my ($self, $type, %msg) = @_;
		2153
		2154	$msg{msgtype} = "event_$type";
		2155	$self->send_packet ("ext " . cf::to_json \%msg);
		2156	}
1902		2157
1903	=item $success = $client->query ($flags, "text", \&cb)	2158	=item $success = $client->query ($flags, "text", \&cb)
1904		2159
1905	Queues a query to the client, calling the given callback with	2160	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>,	2161	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1935	# get handled first	2190	# get handled first
1936	my $queue = delete $ns->{query_queue}	2191	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2192	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2193
1939	(shift @$queue)->[1]->($msg);	2194	(shift @$queue)->[1]->($msg);
		2195	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2196
1941	push @{ $ns->{query_queue} }, @$queue;	2197	push @{ $ns->{query_queue} }, @$queue;
1942		2198
1943	if (@{ $ns->{query_queue} } == @$queue) {	2199	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2200	if (@$queue) {
…		…
2002		2258
2003	# here we export the classes and methods available to script code	2259	# here we export the classes and methods available to script code
2004		2260
2005	=pod	2261	=pod
2006		2262
2007	The following fucntions and emthods are available within a safe environment:	2263	The following functions and methods are available within a safe environment:
2008		2264
2009	cf::object contr pay_amount pay_player map	2265	cf::object contr pay_amount pay_player map
2010	cf::object::player player	2266	cf::object::player player
2011	cf::player peaceful	2267	cf::player peaceful
2012	cf::map trigger	2268	cf::map trigger
…		…
2097	#############################################################################	2353	#############################################################################
2098		2354
2099	=head2 EXTENSION DATABASE SUPPORT	2355	=head2 EXTENSION DATABASE SUPPORT
2100		2356
2101	Crossfire maintains a very simple database for extension use. It can	2357	Crossfire maintains a very simple database for extension use. It can
2102	currently store anything that can be serialised using Storable, which	2358	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2103	excludes objects.	2359	convert to/from binary).
2104		2360
2105	The parameter C<$family> should best start with the name of the extension	2361	The parameter C<$family> should best start with the name of the extension
2106	using it, it should be unique.	2362	using it, it should be unique.
2107		2363
2108	=over 4	2364	=over 4
2109		2365
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	2366	=item $value = cf::db_get $family => $key
2117		2367
2118	Returns a single value from the database	2368	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		2369
2125	=item cf::db_put $family => $key => $value	2370	=item cf::db_put $family => $key => $value
2126		2371
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you	2372	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		2373
2138	=cut	2374	=cut
2139		2375
2140	our $DB;	2376	our $DB;
2141		2377
2142	{	2378	sub db_init {
2143	my $path = cf::localdir . "/database.pst";	2379	unless ($DB) {
		2380	$DB = BDB::db_create $DB_ENV;
2144		2381
2145	sub db_load() {	2382	cf::sync_job {
2146	$DB = stat $path ? Storable::retrieve $path : { };	2383	eval {
2147	}	2384	$DB->set_flags (BDB::CHKSUM);
2148		2385
2149	my $pid;	2386	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2150		2387	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2151	sub db_save() {	2388	cf::cleanup "db_open(db): $!" if $!;
2152	waitpid $pid, 0 if $pid;	2389	};
2153	if (0 == ($pid = fork)) {	2390	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	}	2391	};
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	});	2392	}
		2393	}
2171		2394
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {	2395	sub db_get($$) {
2178	@_ >= 2	2396	my $key = "$_[0]/$_[1]";
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		2397
		2398	cf::sync_job {
		2399	BDB::db_get $DB, undef, $key, my $data;
		2400
		2401	$! ? ()
		2402	: $data
		2403	}
		2404	}
		2405
2183	sub db_put($$;$) {	2406	sub db_put($$$) {
2184	if (@_ >= 3) {	2407	BDB::dbreq_pri 4;
2185	$DB->{$_[0]}{$_[1]} = $_[2];	2408	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2186	} else {	2409	}
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		2410
2192	cf::global->attach (	2411	=item cf::cache $id => [$paths...], $processversion => $process
2193	prio => 10000,	2412
2194	on_cleanup => sub {	2413	Generic caching function that returns the value of the resource $id,
2195	db_sync;	2414	caching and regenerating as required.
		2415
		2416	This function can block.
		2417
		2418	=cut
		2419
		2420	sub cache {
		2421	my ($id, $src, $processversion, $process) = @_;
		2422
		2423	my $meta =
		2424	join "\x00",
		2425	$processversion,
		2426	map {
		2427	aio_stat $_
		2428	and Carp::croak "$_: $!";
		2429
		2430	($_, (stat _)[7,9])
		2431	} @$src;
		2432
		2433	my $dbmeta = db_get cache => "$id/meta";
		2434	if ($dbmeta ne $meta) {
		2435	# changed, we may need to process
		2436
		2437	my @data;
		2438	my $md5;
		2439
		2440	for (0 .. $#$src) {
		2441	0 <= aio_load $src->[$_], $data[$_]
		2442	or Carp::croak "$src->[$_]: $!";
2196	},	2443	}
2197	);	2444
		2445	# if processing is expensive, check
		2446	# checksum first
		2447	if (1) {
		2448	$md5 =
		2449	join "\x00",
		2450	$processversion,
		2451	map {
		2452	Coro::cede;
		2453	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2454	} 0.. $#$src;
		2455
		2456
		2457	my $dbmd5 = db_get cache => "$id/md5";
		2458	if ($dbmd5 eq $md5) {
		2459	db_put cache => "$id/meta", $meta;
		2460
		2461	return db_get cache => "$id/data";
		2462	}
		2463	}
		2464
		2465	my $t1 = Time::HiRes::time;
		2466	my $data = $process->(\@data);
		2467	my $t2 = Time::HiRes::time;
		2468
		2469	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2470
		2471	db_put cache => "$id/data", $data;
		2472	db_put cache => "$id/md5" , $md5;
		2473	db_put cache => "$id/meta", $meta;
		2474
		2475	return $data;
		2476	}
		2477
		2478	db_get cache => "$id/data"
		2479	}
		2480
		2481	=item fork_call { }, $args
		2482
		2483	Executes the given code block with the given arguments in a seperate
		2484	process, returning the results. Everything must be serialisable with
		2485	Coro::Storable. May, of course, block. Note that the executed sub may
		2486	never block itself or use any form of Event handling.
		2487
		2488	=cut
		2489
		2490	sub fork_call(&@) {
		2491	my ($cb, @args) = @_;
		2492
		2493	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2494	# or die "socketpair: $!";
		2495	pipe my $fh1, my $fh2
		2496	or die "pipe: $!";
		2497
		2498	if (my $pid = fork) {
		2499	close $fh2;
		2500
		2501	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2502	$res = Coro::Storable::thaw $res;
		2503
		2504	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2505
		2506	die $$res unless "ARRAY" eq ref $res;
		2507
		2508	return wantarray ? @$res : $res->[-1];
		2509	} else {
		2510	reset_signals;
		2511	local $SIG{__WARN__};
		2512	local $SIG{__DIE__};
		2513	eval {
		2514	close $fh1;
		2515
		2516	my @res = eval { $cb->(@args) };
		2517	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2518	};
		2519
		2520	warn $@ if $@;
		2521	_exit 0;
		2522	}
2198	}	2523	}
2199		2524
2200	#############################################################################	2525	#############################################################################
2201	# the server's main()	2526	# the server's init and main functions
		2527
		2528	sub load_facedata($) {
		2529	my ($path) = @_;
		2530
		2531	warn "loading facedata from $path\n";
		2532
		2533	my $facedata;
		2534	0 < aio_load $path, $facedata
		2535	or die "$path: $!";
		2536
		2537	$facedata = Coro::Storable::thaw $facedata;
		2538
		2539	$facedata->{version} == 2
		2540	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2541
		2542	{
		2543	my $faces = $facedata->{faceinfo};
		2544
		2545	while (my ($face, $info) = each %$faces) {
		2546	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2547	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2548	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2549	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2550	Coro::cede;
		2551	}
		2552
		2553	while (my ($face, $info) = each %$faces) {
		2554	next unless $info->{smooth};
		2555	my $idx = cf::face::find $face
		2556	or next;
		2557	if (my $smooth = cf::face::find $info->{smooth}) {
		2558	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2559	} else {
		2560	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2561	}
		2562	Coro::cede;
		2563	}
		2564	}
		2565
		2566	{
		2567	my $anims = $facedata->{animinfo};
		2568
		2569	while (my ($anim, $info) = each %$anims) {
		2570	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2571	Coro::cede;
		2572	}
		2573
		2574	cf::anim::invalidate_all; # d'oh
		2575	}
		2576
		2577	1
		2578	}
		2579
		2580	sub reload_regions {
		2581	load_resource_file "$MAPDIR/regions"
		2582	or die "unable to load regions file\n";
		2583	}
		2584
		2585	sub reload_facedata {
		2586	load_facedata "$DATADIR/facedata"
		2587	or die "unable to load facedata\n";
		2588	}
		2589
		2590	sub reload_archetypes {
		2591	load_resource_file "$DATADIR/archetypes"
		2592	or die "unable to load archetypes\n";
		2593	}
		2594
		2595	sub reload_treasures {
		2596	load_resource_file "$DATADIR/treasures"
		2597	or die "unable to load treasurelists\n";
		2598	}
		2599
		2600	sub reload_resources {
		2601	warn "reloading resource files...\n";
		2602
		2603	reload_regions;
		2604	reload_facedata;
		2605	#reload_archetypes;#d#
		2606	reload_archetypes;
		2607	reload_treasures;
		2608
		2609	warn "finished reloading resource files\n";
		2610	}
		2611
		2612	sub init {
		2613	reload_resources;
		2614	}
2202		2615
2203	sub cfg_load {	2616	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2617	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2618	or return;
2206		2619
2207	local $/;	2620	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2621	*CFG = YAML::Syck::Load <$fh>;
2209		2622
…		…
2223		2636
2224	sub main {	2637	sub main {
2225	# we must not ever block the main coroutine	2638	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2639	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2640	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2641	(async {
2228	async { Event::one_event };	2642	Event::one_event;
		2643	})->prio (Coro::PRIO_MAX);
2229	};	2644	};
2230		2645
2231	cfg_load;	2646	cfg_load;
2232	db_load;	2647	db_init;
2233	load_extensions;	2648	load_extensions;
		2649
		2650	$TICK_WATCHER->start;
2234	Event::loop;	2651	Event::loop;
2235	}	2652	}
2236		2653
2237	#############################################################################	2654	#############################################################################
2238	# initialisation and cleanup	2655	# initialisation and cleanup
2239		2656
2240	# install some emergency cleanup handlers	2657	# install some emergency cleanup handlers
2241	BEGIN {	2658	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2659	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2660	Event->signal (
		2661	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2662	data => WF_AUTOCANCEL,
2245	signal => $signal,	2663	signal => $signal,
		2664	prio => 0,
2246	cb => sub {	2665	cb => sub {
2247	cf::cleanup "SIG$signal";	2666	cf::cleanup "SIG$signal";
2248	},	2667	},
2249	);	2668	);
2250	}	2669	}
2251	}	2670	}
…		…
2256	warn "enter emergency perl save\n";	2675	warn "enter emergency perl save\n";
2257		2676
2258	cf::sync_job {	2677	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2678	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2679	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2680	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2681	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2682	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2683	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2684	$pl->valid or next;
2266	$pl->save;	2685	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2691	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2692	$map->valid or next;
2274	$map->save;	2693	$map->save;
2275	}	2694	}
2276	warn "end emergency map save\n";	2695	warn "end emergency map save\n";
		2696
		2697	warn "begin emergency database checkpoint\n";
		2698	BDB::db_env_txn_checkpoint $DB_ENV;
		2699	warn "end emergency database checkpoint\n";
2277	};	2700	};
2278		2701
2279	warn "leave emergency perl save\n";	2702	warn "leave emergency perl save\n";
2280	}	2703	}
2281		2704
		2705	sub post_cleanup {
		2706	my ($make_core) = @_;
		2707
		2708	warn Carp::longmess "post_cleanup backtrace"
		2709	if $make_core;
		2710	}
		2711
2282	sub reload() {	2712	sub do_reload_perl() {
2283	# can/must only be called in main	2713	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2714	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2715	warn "can only reload from main coroutine";
2286	return;	2716	return;
2287	}	2717	}
2288		2718
2289	warn "reloading...";	2719	warn "reloading...";
2290		2720
2291	warn "freezing server";	2721	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2722
		2723	cf::sync_job {
		2724	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2725	cf::emergency_save;
		2726	cf::write_runtime; # external watchdog should not bark
2294		2727
2295	warn "sync database to disk";	2728	warn "syncing database to disk";
2296	cf::db_sync;	2729	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2730
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2731	# if anything goes wrong in here, we should simply crash as we already saved
2301		2732
2302	warn "cancel all watchers";	2733	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2734	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2735	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2736	}
2306		2737
		2738	warn "flushing outstanding aio requests";
		2739	for (;;) {
		2740	BDB::flush;
		2741	IO::AIO::flush;
		2742	Coro::cede;
		2743	last unless IO::AIO::nreqs || BDB::nreqs;
		2744	warn "iterate...";
		2745	}
		2746
		2747	++$RELOAD;
		2748
2307	warn "cancel all extension coros";	2749	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2750	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2751	%EXT_CORO = ();
2310		2752
2311	warn "remove commands";	2753	warn "removing commands";
2312	%COMMAND = ();	2754	%COMMAND = ();
2313		2755
2314	warn "remove ext commands";	2756	warn "removing ext commands";
2315	%EXTCMD = ();	2757	%EXTCMD = ();
2316		2758
2317	warn "unload/nuke all extensions";	2759	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	2760	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	2761	warn "... unloading $pkg";
2320		2762
2321	if (my $cb = $pkg->can ("unload")) {	2763	if (my $cb = $pkg->can ("unload")) {
2322	eval {	2764	eval {
…		…
2327		2769
2328	warn "... nuking $pkg";	2770	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	2771	Symbol::delete_package $pkg;
2330	}	2772	}
2331		2773
2332	warn "unload all perl modules loaded from $LIBDIR";	2774	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	2775	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2776	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		2777
2336	warn "removing <$k>";	2778	warn "... unloading $k";
2337	delete $INC{$k};	2779	delete $INC{$k};
2338		2780
2339	$k =~ s/\.pm$//;	2781	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	2782	$k =~ s/\//::/g;
2341		2783
…		…
2344	}	2786	}
2345		2787
2346	Symbol::delete_package $k;	2788	Symbol::delete_package $k;
2347	}	2789	}
2348		2790
2349	warn "get rid of safe::, as good as possible";	2791	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	2792	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2793	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		2794
2353	warn "unload cf.pm \"a bit\"";	2795	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	2796	delete $INC{"cf.pm"};
		2797	delete $INC{"cf/pod.pm"};
2355		2798
2356	# don't, removes xs symbols, too,	2799	# don't, removes xs symbols, too,
2357	# and global variables created in xs	2800	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	2801	#Symbol::delete_package __PACKAGE__;
2359		2802
		2803	warn "unload completed, starting to reload now";
		2804
2360	warn "reloading cf.pm";	2805	warn "reloading cf.pm";
2361	require cf;	2806	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2807	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		2808
2364	warn "load config and database again";	2809	warn "loading config and database again";
2365	cf::cfg_load;	2810	cf::cfg_load;
2366	cf::db_load;
2367		2811
2368	warn "load extensions";	2812	warn "loading extensions";
2369	cf::load_extensions;	2813	cf::load_extensions;
2370		2814
2371	warn "reattach attachments to objects/players";	2815	warn "reattaching attachments to objects/players";
2372	_global_reattach;	2816	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	2817	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	2818	reattach $_ for values %MAP;
2375	};	2819	warn "reattaching attachments to players";
		2820	reattach $_ for values %PLAYER;
2376		2821
2377	if ($@) {	2822	warn "leaving sync_job";
		2823
		2824	1
		2825	} or do {
2378	warn $@;	2826	warn $@;
2379	warn "error while reloading, exiting.";	2827	warn "error while reloading, exiting.";
2380	exit 1;	2828	exit 1;
2381	}	2829	};
2382		2830
2383	warn "reloaded";	2831	warn "reloaded";
2384	};	2832	};
2385		2833
2386	#############################################################################	2834	our $RELOAD_WATCHER; # used only during reload
2387		2835
2388	unless ($LINK_MAP) {	2836	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	2837	# doing reload synchronously and two reloads happen back-to-back,
		2838	# coro crashes during coro_state_free->destroy here.
2390		2839
2391	$LINK_MAP->width (41);	2840	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	2841	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	2842	after => 0,
		2843	data => WF_AUTOCANCEL,
2401	cb => sub {	2844	cb => sub {
2402	$_[0]->w->cancel;	2845	do_reload_perl;
2403		2846	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	2847	},
2422		2848	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	2849	}
2428		2850
2429	register_command "reload" => sub {	2851	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	2852	my ($who, $arg) = @_;
2431		2853
2432	if ($who->flag (FLAG_WIZ)) {	2854	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	2855	$who->message ("reloading server.");
		2856	async { reload_perl };
2436	}	2857	}
2437	};	2858	};
2438		2859
2439	unshift @INC, $LIBDIR;	2860	unshift @INC, $LIBDIR;
2440		2861
		2862	my $bug_warning = 0;
		2863
		2864	our @WAIT_FOR_TICK;
		2865	our @WAIT_FOR_TICK_BEGIN;
		2866
		2867	sub wait_for_tick {
		2868	return unless $TICK_WATCHER->is_active;
		2869	return if $Coro::current == $Coro::main;
		2870
		2871	my $signal = new Coro::Signal;
		2872	push @WAIT_FOR_TICK, $signal;
		2873	$signal->wait;
		2874	}
		2875
		2876	sub wait_for_tick_begin {
		2877	return unless $TICK_WATCHER->is_active;
		2878	return if $Coro::current == $Coro::main;
		2879
		2880	my $signal = new Coro::Signal;
		2881	push @WAIT_FOR_TICK_BEGIN, $signal;
		2882	$signal->wait;
		2883	}
		2884
		2885	my $min = 1e6;#d#
		2886	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	2887	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	2888	reentrant => 0,
		2889	parked => 1,
2443	prio => 0,	2890	prio => 0,
2444	at => $NEXT_TICK || $TICK,	2891	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	2892	data => WF_AUTOCANCEL,
2446	cb => sub {	2893	cb => sub {
		2894	if ($Coro::current != $Coro::main) {
		2895	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2896	unless ++$bug_warning > 10;
		2897	return;
		2898	}
		2899
		2900	$NOW = $tick_start = Event::time;
		2901
2447	cf::server_tick; # one server iteration	2902	cf::server_tick; # one server iteration
		2903
		2904	0 && sync_job {#d#
		2905	for(1..10) {
		2906	my $t = Event::time;
		2907	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		2908	or die;
		2909
		2910	$map->width (50);
		2911	$map->height (50);
		2912	$map->alloc;
		2913	$map->_load_objects ("/tmp/x.map", 1);
		2914	my $t = Event::time - $t;
		2915
		2916	#next unless $t < 0.0013;#d#
		2917	if ($t < $min) {
		2918	$min = $t;
		2919	}
		2920	$avg = $avg * 0.99 + $t * 0.01;
		2921	}
		2922	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		2923	exit 0;
		2924	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		2925	};
		2926
2448	$RUNTIME += $TICK;	2927	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	2928	$NEXT_TICK += $TICK;
2450		2929
2451	$WAIT_FOR_TICK->broadcast;	2930	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2931	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2932	Coro::async_pool {
		2933	write_runtime
		2934	or warn "ERROR: unable to write runtime file: $!";
		2935	};
		2936	}
		2937
		2938	# my $AFTER = Event::time;
		2939	# warn $AFTER - $NOW;#d#
		2940
		2941	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2942	$sig->send;
		2943	}
		2944	while (my $sig = shift @WAIT_FOR_TICK) {
		2945	$sig->send;
		2946	}
		2947
		2948	$NOW = Event::time;
2453		2949
2454	# if we are delayed by four ticks or more, skip them all	2950	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2951	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		2952
2457	$TICK_WATCHER->at ($NEXT_TICK);	2953	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	2954	$TICK_WATCHER->start;
		2955
		2956	$LOAD = ($NOW - $tick_start) / $TICK;
		2957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		2958
		2959	_post_tick;
		2960
		2961
2459	},	2962	},
2460	);	2963	);
2461		2964
		2965	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	2966	BDB::max_poll_time $TICK * 0.1;
2463		2967	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	2968	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	2969	fd => BDB::poll_fileno,
2466	poll => 'r',	2970	poll => 'r',
2467	prio => 5,	2971	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	2972	data => WF_AUTOCANCEL,
2474	after => 0,	2973	cb => \&BDB::poll_cb,
2475	interval => 10,	2974	);
2476	cb => sub {	2975	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	2976
2478	write_runtime	2977	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	2978	my $status;
		2979	my $current = $Coro::current;
		2980	(
		2981	sub {
		2982	$status = $!;
		2983	$current->ready; undef $current;
		2984	},
		2985	sub {
		2986	Coro::schedule while defined $current;
		2987	$! = $status;
		2988	},
		2989	)
		2990	};
		2991
		2992	unless ($DB_ENV) {
		2993	$DB_ENV = BDB::db_env_create;
		2994
		2995	cf::sync_job {
		2996	eval {
		2997	BDB::db_env_open
		2998	$DB_ENV,
		2999	$BDBDIR,
		3000	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3001	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3002	0666;
		3003
		3004	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3005
		3006	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3007	$DB_ENV->set_lk_detect;
		3008	};
		3009
		3010	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3011	};
2481	},	3012	}
2482	);	3013	}
		3014
		3015	{
		3016	IO::AIO::min_parallel 8;
		3017
		3018	undef $Coro::AIO::WATCHER;
		3019	IO::AIO::max_poll_time $TICK * 0.1;
		3020	$AIO_POLL_WATCHER = Event->io (
		3021	reentrant => 0,
		3022	data => WF_AUTOCANCEL,
		3023	fd => IO::AIO::poll_fileno,
		3024	poll => 'r',
		3025	prio => 6,
		3026	cb => \&IO::AIO::poll_cb,
		3027	);
		3028	}
		3029
		3030	my $_log_backtrace;
		3031
		3032	sub _log_backtrace {
		3033	my ($msg, @addr) = @_;
		3034
		3035	$msg =~ s/\n//;
		3036
		3037	# limit the # of concurrent backtraces
		3038	if ($_log_backtrace < 2) {
		3039	++$_log_backtrace;
		3040	async {
		3041	my @bt = fork_call {
		3042	@addr = map { sprintf "%x", $_ } @addr;
		3043	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3044	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3045	or die "addr2line: $!";
		3046
		3047	my @funcs;
		3048	my @res = <$fh>;
		3049	chomp for @res;
		3050	while (@res) {
		3051	my ($func, $line) = splice @res, 0, 2, ();
		3052	push @funcs, "[$func] $line";
		3053	}
		3054
		3055	@funcs
		3056	};
		3057
		3058	LOG llevInfo, "[ABT] $msg\n";
		3059	LOG llevInfo, "[ABT] $_\n" for @bt;
		3060	--$_log_backtrace;
		3061	};
		3062	} else {
		3063	LOG llevInfo, "[ABT] $msg\n";
		3064	LOG llevInfo, "[ABT] [suppressed]\n";
		3065	}
		3066	}
		3067
		3068	# load additional modules
		3069	use cf::pod;
2483		3070
2484	END { cf::emergency_save }	3071	END { cf::emergency_save }
2485		3072
2486	1	3073	1
2487		3074

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