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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 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		41
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
31		44
32	$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
33		46
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	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 = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	91
57	our %EXT_CORO; # coroutines bound to extensions	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		94
59	binmode STDOUT;	95	binmode STDOUT;
60	binmode STDERR;	96	binmode STDERR;
61		97
62	# read virtual server time, if available	98	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
67	}	103	}
68		104
69	mkdir cf::localdir;	105	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		107
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
78		111
79	#############################################################################	112	#############################################################################
80		113
81	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
82		115
…		…
89	=item $cf::RUNTIME	122	=item $cf::RUNTIME
90		123
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	125	every server tick.
93		126
94	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		130
96	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
98		135
99	=item $cf::NOW	136	=item $cf::NOW
100		137
101	The time of the last (current) server tick.	138	The time of the last (current) server tick.
102		139
…		…
106		143
107	=item %cf::CFG	144	=item %cf::CFG
108		145
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		154
112	=back	155	=back
113		156
114	=cut	157	=cut
115		158
116	BEGIN {	159	BEGIN {
117	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	161	my $msg = join "", @_;
119	utf8::encode $msg;
120		162
121	$msg .= "\n"	163	$msg .= "\n"
122	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
123		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
124	LOG llevError, $msg;	169	LOG llevError, $msg;
125	};	170	};
126	}	171	}
127		172
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
146	}	191	}
147		192
148	$Event::DIED = sub {	193	$Event::DIED = sub {
149	warn "error in event callback: @_";	194	warn "error in event callback: @_";
150	};	195	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		196
156	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
157		198
158	=over 4	199	=over 4
159		200
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	220	$d
180	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
181	}	222	}
182		223
183	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
184		225
185	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
186		227
187	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
188		229
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
197		231
198	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		233
207	=item cf::lock_wait $string	234	=item cf::lock_wait $string
208		235
209	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
210		237
…		…
216	returned.	243	returned.
217		244
218	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
220		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
221	=cut	252	=cut
222		253
223	our %LOCK;	254	our %LOCK;
224		255
225	sub lock_wait($) {	256	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
246	}	277	}
247	}	278	}
248		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
249	sub freeze_mainloop {	286	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
251		288
252	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
253	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
254	$guard	293	$guard
255	}	294	}
256		295
257	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
309	}	348	}
310	}	349	}
311		350
312	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
313		352
314	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	354	extension calling this is being unloaded.
316		355
317	=cut	356	=cut
318		357
319	sub async_ext(&) {	358	sub async_ext(&) {
…		…
328		367
329	$coro	368	$coro
330	}	369	}
331		370
332	sub write_runtime {	371	sub write_runtime {
333	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
334		375
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	377	or return;
337		378
		379	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	384	and return;
341		385
		386	# always fsync - this file is important
342	aio_fsync $fh	387	aio_fsync $fh
343	and return;	388	and return;
344		389
345	close $fh	390	close $fh
346	or return;	391	or return;
…		…
349	and return;	394	and return;
350		395
351	1	396	1
352	}	397	}
353		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
354	=back	410	=back
355		411
356	=cut	412	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		413
480	#############################################################################	414	#############################################################################
481		415
482	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
483		417
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	544	our @CB_MAP = ();
611		545
612	my %attachment;	546	my %attachment;
613		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
614	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
616		556
617	use sort 'stable';	557	use sort 'stable';
618		558
…		…
789	# object support	729	# object support
790		730
791	sub reattach {	731	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		736
795	my $registry = $obj->registry;	737	my $registry = $obj->registry;
796		738
797	@$registry = ();	739	@$registry = ();
798		740
…		…
845	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
846		788
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	793	close $fh;
852		794
853	if (@$objs) {	795	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	801	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
861	}	803	}
862	} else {	804	} else {
863	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
930	=cut	872	=cut
931		873
932	sub register_extcmd {	874	sub register_extcmd {
933	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
934		876
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
939	}	878	}
940		879
941	cf::player->attach (	880	cf::player->attach (
942	on_command => sub {	881	on_command => sub {
943	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
956		895
957	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
958		897
959	if (ref $msg) {	898	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	902	}
964	}	903	}
965	} else {	904	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		907
969	cf::override;	908	cf::override;
970	},	909	},
971	);	910	);
972		911
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	912	sub load_extension {
980	my ($path) = @_;	913	my ($path) = @_;
981		914
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	916	my $base = $1;
984	my $pkg = $1;	917	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
987		920
988	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
989		922
990	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
991	or die "$path: $!";	924	or die "$path: $!";
992		925
993	my $source =	926	my $source =
994	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
997	. "\n};\n1";	930	. "\n};\n1";
998		931
999	eval $source	932	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	934	: "extension disabled.\n";
1002		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	936	warn $@;
1004	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
1005		938	exit 1;
1006	# no strict 'refs';	939	}
1007	# @{"$pkg\::ISA"} = ext::;	940	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	941	}
1022		942
1023	# remove commands	943	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	944	}
1048		945
1049	sub load_extensions {	946	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	948	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1056	}	953	}
1057	}	954	}
1058		955
1059	#############################################################################	956	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		957
1097	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1098		959
1099	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1100		961
…		…
1113	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1114		975
1115	=cut	976	=cut
1116		977
1117	sub playerdir($) {	978	sub playerdir($) {
1118	cf::localdir	979	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	981	}
1124		982
1125	sub path($) {	983	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		985
1128	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1129	}	987	}
1130		988
1131	sub find_active($) {	989	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1136		994
1137	sub exists($) {	995	sub exists($) {
1138	my ($login) = @_;	996	my ($login) = @_;
1139		997
1140	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1142	}	1000	}
1143		1001
1144	sub find($) {	1002	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1004	my $login = $_[0];
1147		1005
1148	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1149		1007
1150	$cf::PLAYER{$_[0]} || do {	1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
1151	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1152	or return;	1017	or return;
1153	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1154	}	1019	}
1155	}	1020	}
…		…
1192		1057
1193	=cut	1058	=cut
1194		1059
1195	sub quit_character {	1060	sub quit_character {
1196	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1197		1064
1198	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1067
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1077	$pl->destroy;
		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1211	IO::AIO::aio_rmtree $temp;	1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
1212	}	1099	}
1213		1100
1214	=item cf::player::list_logins	1101	=item cf::player::list_logins
1215		1102
1216	Returns am arrayref of all valid playernames in the system, can take a	1103	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1218		1105
1219	=cut	1106	=cut
1220		1107
1221	sub list_logins {	1108	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1110	or return [];
1224		1111
1225	my @logins;	1112	my @logins;
1226		1113
1227	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1116	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1118
1232	utf8::decode $login;	1119	utf8::decode $login;
1233	push @logins, $login;	1120	push @logins, $login;
1234	}	1121	}
1235		1122
1236	\@logins	1123	\@logins
1237	}	1124	}
1238		1125
1239	=item $player->maps	1126	=item $player->maps
1240		1127
1241	Returns an arrayref of cf::path's of all maps that are private for this	1128	Returns an arrayref of map paths that are private for this
1242	player. May block.	1129	player. May block.
1243		1130
1244	=cut	1131	=cut
1245		1132
1246	sub maps($) {	1133	sub maps($) {
1247	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1137
1249	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1250	or return;	1139	or return;
1251		1140
1252	my @paths;	1141	my @paths;
1253		1142
1254	for (@$files) {	1143	for (@$files) {
1255	utf8::decode $_;	1144	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1146	next unless /^$PATH_SEP/o;
1258		1147
1259	s/$PATH_SEP/\//g;	1148	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1149	}
1262		1150
1263	\@paths	1151	\@paths
1264	}	1152	}
1265		1153
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1267		1155
1268	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1269		1157
1270	=cut	1158	=cut
1271		1159
1272	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1274		1162
1275	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1276		1164
1277	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1278	}	1166	}
1279		1167
1280	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1281		1208
1282	=back	1209	=back
1283
1284		1210
1285	=head3 cf::map	1211	=head3 cf::map
1286		1212
1287	=over 4	1213	=over 4
1288		1214
…		…
1291	package cf::map;	1217	package cf::map;
1292		1218
1293	use Fcntl;	1219	use Fcntl;
1294	use Coro::AIO;	1220	use Coro::AIO;
1295		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1296	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1298		1228
1299	sub generate_random_map {	1229	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1232	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1316	}	1374	}
1317		1375
1318	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1319	# all maps in C++...	1377	# all maps in C++...
1320	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1322		1380
1323	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1325	}	1383	}
1326		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1327	sub try_load_header($) {	1393	sub load_header_from($) {
1328	my ($path) = @_;	1394	my ($self, $path) = @_;
1329		1395
1330	utf8::encode $path;	1396	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1332	or return;	1401	or return;
1333		1402
1334	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1335	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1336		1449
1337	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1451	unless $self->default_region;
1339		1452
1340	$map->load_header ($path)	1453	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1454	}
1347		1455
1348	sub find;	1456	sub find;
1349	sub find {	1457	sub find {
1350	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1351		1459
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1461
1357	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1358		1463
1359	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1361		1466	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1467	or return;
1381		1468
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1394		1470
1395	Coro::cede;	1471	$map->load_header
		1472	or return;
1396		1473
1397	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1477	$map->reset;
1399	undef $guard;	1478	undef $guard;
1400	$map = find $path	1479	return find $path;
1401	or return;
1402	}	1480	}
1403		1481
1404	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1405	}	1483	}
1406	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1407		1488
1408	sub load {	1489	sub load {
1409	my ($self) = @_;	1490	my ($self) = @_;
1410		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1411	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1413		1498
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1500
1416	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1417		1502
1418	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1419	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1509	or return;
1421		1510
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1512	if delete $self->{load_original};
1424		1513
1425	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1515	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1517	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1430	}	1519	}
1431	}	1520	}
1432		1521
1433	Coro::cede;	1522	Coro::cede;
1434
1435	# now do the right thing for maps	1523	# now do the right thing for maps
1436	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1448	$self->activate;	1536	$self->activate;
1449	}	1537	}
1450		1538
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540
		1541	undef $guard;
		1542	}
		1543
		1544	$self->post_load;
		1545	}
		1546
		1547	sub customise_for {
		1548	my ($self, $ob) = @_;
		1549
		1550	return find "~" . $ob->name . "/" . $self->{path}
		1551	if $self->per_player;
		1552
		1553	$self
		1554	}
		1555
		1556	# find and load all maps in the 3x3 area around a map
		1557	sub load_diag {
		1558	my ($map) = @_;
		1559
		1560	my @diag; # diagonal neighbours
		1561
		1562	for (0 .. 3) {
		1563	my $neigh = $map->tile_path ($_)
		1564	or next;
		1565	$neigh = find $neigh, $map
		1566	or next;
		1567	$neigh->load;
		1568
		1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1571	}
		1572
		1573	for (@diag) {
		1574	my $neigh = find @$_
		1575	or next;
		1576	$neigh->load;
		1577	}
1454	}	1578	}
1455		1579
1456	sub find_sync {	1580	sub find_sync {
1457	my ($path, $origin) = @_;	1581	my ($path, $origin) = @_;
1458		1582
1459	cf::sync_job { cf::map::find $path, $origin }	1583	cf::sync_job { find $path, $origin }
1460	}	1584	}
1461		1585
1462	sub do_load_sync {	1586	sub do_load_sync {
1463	my ($map) = @_;	1587	my ($map) = @_;
1464		1588
1465	cf::sync_job { $map->load };	1589	cf::sync_job { $map->load };
1466	}	1590	}
1467		1591
		1592	our %MAP_PREFETCH;
		1593	our $MAP_PREFETCHER = undef;
		1594
		1595	sub find_async {
		1596	my ($path, $origin) = @_;
		1597
		1598	$path = normalise $path, $origin && $origin->{path};
		1599
		1600	if (my $map = $cf::MAP{$path}) {
		1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1602	}
		1603
		1604	undef $MAP_PREFETCH{$path};
		1605	$MAP_PREFETCHER ||= cf::async {
		1606	while (%MAP_PREFETCH) {
		1607	for my $path (keys %MAP_PREFETCH) {
		1608	my $map = find $path
		1609	or next;
		1610	$map->load;
		1611
		1612	delete $MAP_PREFETCH{$path};
		1613	}
		1614	}
		1615	undef $MAP_PREFETCHER;
		1616	};
		1617	$MAP_PREFETCHER->prio (6);
		1618
		1619	()
		1620	}
		1621
1468	sub save {	1622	sub save {
1469	my ($self) = @_;	1623	my ($self) = @_;
1470		1624
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1626
1473	$self->{last_save} = $cf::RUNTIME;	1627	$self->{last_save} = $cf::RUNTIME;
1474		1628
1475	return unless $self->dirty;	1629	return unless $self->dirty;
1476		1630
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1631	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1632	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1633
1480	$self->{load_path} = $save;	1634	$self->{load_path} = $save;
1481		1635
1482	return if $self->{deny_save};	1636	return if $self->{deny_save};
1483		1637
…		…
1486	cf::async {	1640	cf::async {
1487	$_->contr->save for $self->players;	1641	$_->contr->save for $self->players;
1488	};	1642	};
1489		1643
1490	if ($uniq) {	1644	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1647	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1649	}
1496	}	1650	}
1497		1651
1498	sub swap_out {	1652	sub swap_out {
1499	my ($self) = @_;	1653	my ($self) = @_;
…		…
1513		1667
1514	sub reset_at {	1668	sub reset_at {
1515	my ($self) = @_;	1669	my ($self) = @_;
1516		1670
1517	# TODO: safety, remove and allow resettable per-player maps	1671	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1673	return 1e99 if $self->{deny_reset};
1520		1674
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1677
…		…
1528	my ($self) = @_;	1682	my ($self) = @_;
1529		1683
1530	$self->reset_at <= $cf::RUNTIME	1684	$self->reset_at <= $cf::RUNTIME
1531	}	1685	}
1532		1686
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1687	sub reset {
1555	my ($self) = @_;	1688	my ($self) = @_;
1556		1689
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1690	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1691
1559	return if $self->players;	1692	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1693	return if $self->isa ("ext::map_per_player");#d#
1561		1694
1562	warn "resetting map ", $self->path;#d#	1695	warn "resetting map ", $self->path;#d#
1563		1696
		1697	$self->in_memory (cf::MAP_SWAPPED);
		1698
		1699	# need to save uniques path
		1700	unless ($self->{deny_save}) {
		1701	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1702
		1703	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1704	if $uniq;
		1705	}
		1706
1564	delete $cf::MAP{$self->path};	1707	delete $cf::MAP{$self->path};
		1708
		1709	$self->clear;
1565		1710
1566	$_->clear_links_to ($self) for values %cf::MAP;	1711	$_->clear_links_to ($self) for values %cf::MAP;
1567		1712
1568	$self->unlink_save;	1713	$self->unlink_save;
1569	$self->destroy;	1714	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1717	my $nuke_counter = "aaaa";
1573		1718
1574	sub nuke {	1719	sub nuke {
1575	my ($self) = @_;	1720	my ($self) = @_;
1576		1721
		1722	delete $cf::MAP{$self->path};
		1723
		1724	$self->unlink_save;
		1725
		1726	bless $self, "cf::map";
		1727	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1728	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1729	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1731
		1732	$cf::MAP{$self->path} = $self;
		1733
1580	$self->reset; # polite request, might not happen	1734	$self->reset; # polite request, might not happen
1581	}	1735	}
1582		1736
1583	sub customise_for {	1737	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1738
1586	if ($map->per_player) {	1739	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1740	instantiated unique items. May block.
1588	}
1589		1741
1590	$map	1742	=cut
1591	}
1592		1743
1593	sub emergency_save {	1744	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1745	my $files = aio_readdir $UNIQUEDIR
		1746	or return;
1595		1747
1596	warn "enter emergency perl save\n";	1748	my @paths;
1597		1749
1598	cf::sync_job {	1750	for (@$files) {
1599	warn "begin emergency player save\n";	1751	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1752	next if /\.pst$/;
1601	warn "end emergency player save\n";	1753	next unless /^$PATH_SEP/o;
1602		1754
1603	warn "begin emergency map save\n";	1755	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1756	}
1607		1757
1608	warn "leave emergency perl save\n";	1758	\@paths
1609	}	1759	}
1610		1760
1611	package cf;	1761	package cf;
1612		1762
1613	=back	1763	=back
1614		1764
		1765	=head3 cf::object
		1766
		1767	=cut
		1768
		1769	package cf::object;
		1770
		1771	=over 4
		1772
		1773	=item $ob->inv_recursive
		1774
		1775	Returns the inventory of the object _and_ their inventories, recursively.
		1776
		1777	=cut
		1778
		1779	sub inv_recursive_;
		1780	sub inv_recursive_ {
		1781	map { $_, inv_recursive_ $_->inv } @_
		1782	}
		1783
		1784	sub inv_recursive {
		1785	inv_recursive_ inv $_[0]
		1786	}
		1787
		1788	package cf;
		1789
		1790	=back
1615		1791
1616	=head3 cf::object::player	1792	=head3 cf::object::player
1617		1793
1618	=over 4	1794	=over 4
1619		1795
…		…
1659		1835
1660	=item $player_object->enter_link	1836	=item $player_object->enter_link
1661		1837
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1838	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1839
1664	The player should be reaosnably safe there for short amounts of time. You	1840	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	1841	I<MUST> call C<leave_link> as soon as possible, though.
1666		1842
		1843	Will never block.
		1844
1667	=item $player_object->leave_link ($map, $x, $y)	1845	=item $player_object->leave_link ($map, $x, $y)
1668		1846
1669	Moves the player out of the specila link map onto the given map. If the	1847	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1848	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1849	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1850	fails, to the emergency map position.
1673		1851
1674	Might block.	1852	Might block.
1675		1853
1676	=cut	1854	=cut
		1855
		1856	sub link_map {
		1857	unless ($LINK_MAP) {
		1858	$LINK_MAP = cf::map::find "{link}"
		1859	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1860	$LINK_MAP->load;
		1861	}
		1862
		1863	$LINK_MAP
		1864	}
1677		1865
1678	sub cf::object::player::enter_link {	1866	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1867	my ($self) = @_;
1680		1868
1681	$self->deactivate_recursive;	1869	$self->deactivate_recursive;
1682		1870
1683	return if $self->map == $LINK_MAP;	1871	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1872
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1874	if $self->map;
1687		1875
1688	$self->enter_map ($LINK_MAP, 20, 20);	1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1877	}
1690		1878
1691	sub cf::object::player::leave_link {	1879	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1880	my ($self, $map, $x, $y) = @_;
1693		1881
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1899	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1900	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1901	if $x <=0 && $y <= 0;
1714		1902
1715	$map->load;	1903	$map->load;
		1904	$map->load_diag;
1716		1905
1717	return unless $self->contr->active;	1906	return unless $self->contr->active;
1718	$self->activate_recursive;	1907	$self->activate_recursive;
		1908
		1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1910	$self->enter_map ($map, $x, $y);
1720	}	1911	}
1721		1912
1722	cf::player->attach (	1913	cf::player->attach (
1723	on_logout => sub {	1914	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1927	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1928	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1929	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1930	$pl->ob->enter_link;
1740	(async {	1931	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1932	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1933	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1934	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1935	cf::NDI_RED);
		1936	# we need this sleep as the login has a concurrent enter_exit running
		1937	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1938	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1939	$pl->ob->leave_link;
1749	})->prio (2);	1940	})->prio (2);
1750	}	1941	}
1751	},	1942	},
…		…
1756	=cut	1947	=cut
1757		1948
1758	sub cf::object::player::goto {	1949	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1950	my ($self, $path, $x, $y) = @_;
1760		1951
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1952	$self->enter_link;
1765		1953
1766	(async {	1954	(async {
		1955	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1956	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1957	$map = $map->customise_for ($self) if $map;
1769		1958	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1959	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1961
1775	$self->leave_link ($map, $x, $y);	1962	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1963	})->prio (1);
1777	}	1964	}
1778		1965
…		…
1782		1969
1783	sub parse_random_map_params {	1970	sub parse_random_map_params {
1784	my ($spec) = @_;	1971	my ($spec) = @_;
1785		1972
1786	my $rmp = { # defaults	1973	my $rmp = { # defaults
1787	xsize => 10,	1974	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1975	ysize => (cf::rndm 15, 40),
		1976	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1977	#layout => string,
1789	};	1978	};
1790		1979
1791	for (split /\n/, $spec) {	1980	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1981	my ($k, $v) = split /\s+/, $_, 2;
1793		1982
…		…
1797	$rmp	1986	$rmp
1798	}	1987	}
1799		1988
1800	sub prepare_random_map {	1989	sub prepare_random_map {
1801	my ($exit) = @_;	1990	my ($exit) = @_;
		1991
		1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1993
1803	# all this does is basically replace the /! path by	1994	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1995	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1996	# that depends on the exit object
1806		1997
1807	my $rmp = parse_random_map_params $exit->msg;	1998	my $rmp = parse_random_map_params $exit->msg;
1808		1999
1809	if ($exit->map) {	2000	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2001	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2002	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2003	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2004	$rmp->{origin_y} = $exit->y;
1814	}	2005	}
1815		2006
1816	$rmp->{random_seed} ||= $exit->random_seed;	2007	$rmp->{random_seed} ||= $exit->random_seed;
1817		2008
1818	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
		2011	my $meta = "$RANDOMDIR/$md5.meta";
1820		2012
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2014	aio_write $fh, 0, (length $data), $data, 0;
		2015	undef $fh;
		2016	aio_rename "$meta~", $meta;
1823		2017
1824	$exit->slaying ("?random/$md5");	2018	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2019	$exit->msg (undef);
1826	}	2020	}
1827	}	2021	}
1828		2022
1829	sub cf::object::player::enter_exit {	2023	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2024	my ($self, $exit) = @_;
1831		2025
1832	return unless $self->type == cf::PLAYER;	2026	return unless $self->type == cf::PLAYER;
		2027
		2028	if ($exit->slaying eq "/!") {
		2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2030	# the problem is that $exit might not survive long enough
		2031	# so it needs to be done right now, right here
		2032	cf::sync_job { prepare_random_map $exit };
		2033	}
		2034
		2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2036	my $hp = $exit->stats->hp;
		2037	my $sp = $exit->stats->sp;
1833		2038
1834	$self->enter_link;	2039	$self->enter_link;
1835		2040
1836	(async {	2041	(async {
1837	$self->deactivate_recursive; # just to be sure	2042	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2043	unless (eval {
1839	prepare_random_map $exit	2044	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2045
1845	1;	2046	1;
1846	}) {	2047	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2049	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2050	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2051	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2052
1852	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2054	$self->leave_link;
1854	}	2055	}
1855	})->prio (1);	2056	})->prio (1);
…		…
1868		2069
1869	sub cf::client::send_drawinfo {	2070	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2071	my ($self, $text, $flags) = @_;
1871		2072
1872	utf8::encode $text;	2073	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2075	}
1875		2076
		2077	=item $client->ext_event ($type, %msg)
		2078
		2079	Sends an exti event to the client.
		2080
		2081	=cut
		2082
		2083	sub cf::client::ext_event($$%) {
		2084	my ($self, $type, %msg) = @_;
		2085
		2086	$msg{msgtype} = "event_$type";
		2087	$self->send_packet ("ext " . cf::to_json \%msg);
		2088	}
1876		2089
1877	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1878		2091
1879	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2122	# get handled first
1910	my $queue = delete $ns->{query_queue}	2123	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2125
1913	(shift @$queue)->[1]->($msg);	2126	(shift @$queue)->[1]->($msg);
		2127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2128
1915	push @{ $ns->{query_queue} }, @$queue;	2129	push @{ $ns->{query_queue} }, @$queue;
1916		2130
1917	if (@{ $ns->{query_queue} } == @$queue) {	2131	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2132	if (@$queue) {
…		…
1976		2190
1977	# here we export the classes and methods available to script code	2191	# here we export the classes and methods available to script code
1978		2192
1979	=pod	2193	=pod
1980		2194
1981	The following fucntions and emthods are available within a safe environment:	2195	The following functions and methods are available within a safe environment:
1982		2196
1983	cf::object contr pay_amount pay_player map	2197	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2198	cf::object::player player
1985	cf::player peaceful	2199	cf::player peaceful
1986	cf::map trigger	2200	cf::map trigger
…		…
2071	#############################################################################	2285	#############################################################################
2072		2286
2073	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
2074		2288
2075	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
2076	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2077	excludes objects.	2291	convert to/from binary).
2078		2292
2079	The parameter C<$family> should best start with the name of the extension	2293	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2294	using it, it should be unique.
2081		2295
2082	=over 4	2296	=over 4
2083		2297
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2298	=item $value = cf::db_get $family => $key
2091		2299
2092	Returns a single value from the database	2300	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2301
2099	=item cf::db_put $family => $key => $value	2302	=item cf::db_put $family => $key => $value
2100		2303
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2304	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2305
2112	=cut	2306	=cut
2113		2307
2114	our $DB;	2308	our $DB;
2115		2309
2116	{	2310	sub db_init {
2117	my $path = cf::localdir . "/database.pst";	2311	unless ($DB) {
		2312	$DB = BDB::db_create $DB_ENV;
2118		2313
2119	sub db_load() {	2314	cf::sync_job {
2120	$DB = stat $path ? Storable::retrieve $path : { };	2315	eval {
2121	}	2316	$DB->set_flags (BDB::CHKSUM);
2122		2317
2123	my $pid;	2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2124		2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2125	sub db_save() {	2320	cf::cleanup "db_open(db): $!" if $!;
2126	waitpid $pid, 0 if $pid;	2321	};
2127	if (0 == ($pid = fork)) {	2322	cf::cleanup "db_open(db): $@" if $@;
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2323	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2324	}
		2325	}
2145		2326
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2327	sub db_get($$) {
2152	@_ >= 2	2328	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2329
		2330	cf::sync_job {
		2331	BDB::db_get $DB, undef, $key, my $data;
		2332
		2333	$! ? ()
		2334	: $data
		2335	}
		2336	}
		2337
2157	sub db_put($$;$) {	2338	sub db_put($$$) {
2158	if (@_ >= 3) {	2339	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2160	} else {	2341	}
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		2342
2166	cf::global->attach (	2343	=item cf::cache $id => [$paths...], $processversion => $process
2167	prio => 10000,	2344
2168	on_cleanup => sub {	2345	Generic caching function that returns the value of the resource $id,
2169	db_sync;	2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($id, $src, $processversion, $process) = @_;
		2354
		2355	my $meta =
		2356	join "\x00",
		2357	$processversion,
		2358	map {
		2359	aio_stat $_
		2360	and Carp::croak "$_: $!";
		2361
		2362	($_, (stat _)[7,9])
		2363	} @$src;
		2364
		2365	my $dbmeta = db_get cache => "$id/meta";
		2366	if ($dbmeta ne $meta) {
		2367	# changed, we may need to process
		2368
		2369	my @data;
		2370	my $md5;
		2371
		2372	for (0 .. $#$src) {
		2373	0 <= aio_load $src->[$_], $data[$_]
		2374	or Carp::croak "$src->[$_]: $!";
2170	},	2375	}
2171	);	2376
		2377	# if processing is expensive, check
		2378	# checksum first
		2379	if (1) {
		2380	$md5 =
		2381	join "\x00",
		2382	$processversion,
		2383	map {
		2384	Coro::cede;
		2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2386	} 0.. $#$src;
		2387
		2388
		2389	my $dbmd5 = db_get cache => "$id/md5";
		2390	if ($dbmd5 eq $md5) {
		2391	db_put cache => "$id/meta", $meta;
		2392
		2393	return db_get cache => "$id/data";
		2394	}
		2395	}
		2396
		2397	my $t1 = Time::HiRes::time;
		2398	my $data = $process->(\@data);
		2399	my $t2 = Time::HiRes::time;
		2400
		2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2402
		2403	db_put cache => "$id/data", $data;
		2404	db_put cache => "$id/md5" , $md5;
		2405	db_put cache => "$id/meta", $meta;
		2406
		2407	return $data;
		2408	}
		2409
		2410	db_get cache => "$id/data"
2172	}	2411	}
		2412
		2413	=item fork_call { }, $args
		2414
		2415	Executes the given code block with the given arguments in a seperate
		2416	process, returning the results. Everything must be serialisable with
		2417	Coro::Storable. May, of course, block. Note that the executed sub may
		2418	never block itself or use any form of Event handling.
		2419
		2420	=cut
		2421
		2422	sub fork_call(&@) {
		2423	my ($cb, @args) = @_;
		2424
		2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2426	# or die "socketpair: $!";
		2427	pipe my $fh1, my $fh2
		2428	or die "pipe: $!";
		2429
		2430	if (my $pid = fork) {
		2431	close $fh2;
		2432
		2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2434	$res = Coro::Storable::thaw $res;
		2435
		2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2437
		2438	die $$res unless "ARRAY" eq ref $res;
		2439
		2440	return wantarray ? @$res : $res->[-1];
		2441	} else {
		2442	local $SIG{__WARN__};
		2443	eval {
		2444	local $SIG{__DIE__};
		2445	close $fh1;
		2446
		2447	my @res = eval { $cb->(@args) };
		2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2449	};
		2450
		2451	warn $@ if $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
2173		2457
2174	#############################################################################	2458	#############################################################################
2175	# the server's main()	2459	# the server's init and main functions
		2460
		2461	sub load_facedata($) {
		2462	my ($path) = @_;
		2463
		2464	warn "loading facedata from $path\n";
		2465
		2466	my $facedata;
		2467	0 < aio_load $path, $facedata
		2468	or die "$path: $!";
		2469
		2470	$facedata = Coro::Storable::thaw $facedata;
		2471
		2472	$facedata->{version} == 2
		2473	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2474
		2475	{
		2476	my $faces = $facedata->{faceinfo};
		2477
		2478	while (my ($face, $info) = each %$faces) {
		2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2483	Coro::cede;
		2484	}
		2485
		2486	while (my ($face, $info) = each %$faces) {
		2487	next unless $info->{smooth};
		2488	my $idx = cf::face::find $face
		2489	or next;
		2490	if (my $smooth = cf::face::find $info->{smooth}) {
		2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2492	} else {
		2493	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2494	}
		2495	Coro::cede;
		2496	}
		2497	}
		2498
		2499	{
		2500	my $anims = $facedata->{animinfo};
		2501
		2502	while (my ($anim, $info) = each %$anims) {
		2503	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2504	Coro::cede;
		2505	}
		2506
		2507	cf::anim::invalidate_all; # d'oh
		2508	}
		2509
		2510	1
		2511	}
		2512
		2513	sub reload_regions {
		2514	load_resource_file "$MAPDIR/regions"
		2515	or die "unable to load regions file\n";
		2516	}
		2517
		2518	sub reload_facedata {
		2519	load_facedata "$DATADIR/facedata"
		2520	or die "unable to load facedata\n";
		2521	}
		2522
		2523	sub reload_archetypes {
		2524	load_resource_file "$DATADIR/archetypes"
		2525	or die "unable to load archetypes\n";
		2526	}
		2527
		2528	sub reload_treasures {
		2529	load_resource_file "$DATADIR/treasures"
		2530	or die "unable to load treasurelists\n";
		2531	}
		2532
		2533	sub reload_resources {
		2534	warn "reloading resource files...\n";
		2535
		2536	reload_regions;
		2537	reload_facedata;
		2538	reload_archetypes;
		2539	reload_treasures;
		2540
		2541	warn "finished reloading resource files\n";
		2542	}
		2543
		2544	sub init {
		2545	reload_resources;
		2546	}
2176		2547
2177	sub cfg_load {	2548	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2550	or return;
2180		2551
2181	local $/;	2552	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
2183		2554
…		…
2197		2568
2198	sub main {	2569	sub main {
2199	# we must not ever block the main coroutine	2570	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2571	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2573	(async {
2202	async { Event::one_event };	2574	Event::one_event;
		2575	})->prio (Coro::PRIO_MAX);
2203	};	2576	};
2204		2577
2205	cfg_load;	2578	cfg_load;
2206	db_load;	2579	db_init;
2207	load_extensions;	2580	load_extensions;
		2581
		2582	$TICK_WATCHER->start;
2208	Event::loop;	2583	Event::loop;
2209	}	2584	}
2210		2585
2211	#############################################################################	2586	#############################################################################
2212	# initialisation	2587	# initialisation and cleanup
2213		2588
		2589	# install some emergency cleanup handlers
		2590	BEGIN {
		2591	for my $signal (qw(INT HUP TERM)) {
		2592	Event->signal (
		2593	reentrant => 0,
		2594	data => WF_AUTOCANCEL,
		2595	signal => $signal,
		2596	prio => 0,
		2597	cb => sub {
		2598	cf::cleanup "SIG$signal";
		2599	},
		2600	);
		2601	}
		2602	}
		2603
		2604	sub emergency_save() {
		2605	my $freeze_guard = cf::freeze_mainloop;
		2606
		2607	warn "enter emergency perl save\n";
		2608
		2609	cf::sync_job {
		2610	# use a peculiar iteration method to avoid tripping on perl
		2611	# refcount bugs in for. also avoids problems with players
		2612	# and maps saved/destroyed asynchronously.
		2613	warn "begin emergency player save\n";
		2614	for my $login (keys %cf::PLAYER) {
		2615	my $pl = $cf::PLAYER{$login} or next;
		2616	$pl->valid or next;
		2617	$pl->save;
		2618	}
		2619	warn "end emergency player save\n";
		2620
		2621	warn "begin emergency map save\n";
		2622	for my $path (keys %cf::MAP) {
		2623	my $map = $cf::MAP{$path} or next;
		2624	$map->valid or next;
		2625	$map->save;
		2626	}
		2627	warn "end emergency map save\n";
		2628
		2629	warn "begin emergency database checkpoint\n";
		2630	BDB::db_env_txn_checkpoint $DB_ENV;
		2631	warn "end emergency database checkpoint\n";
		2632	};
		2633
		2634	warn "leave emergency perl save\n";
		2635	}
		2636
		2637	sub post_cleanup {
		2638	my ($make_core) = @_;
		2639
		2640	warn Carp::longmess "post_cleanup backtrace"
		2641	if $make_core;
		2642	}
		2643
2214	sub reload() {	2644	sub do_reload_perl() {
2215	# can/must only be called in main	2645	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2647	warn "can only reload from main coroutine";
2218	return;	2648	return;
2219	}	2649	}
2220		2650
2221	warn "reloading...";	2651	warn "reloading...";
2222		2652
2223	my $guard = freeze_mainloop;	2653	warn "entering sync_job";
		2654
		2655	cf::sync_job {
		2656	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2657	cf::emergency_save;
		2658	cf::write_runtime; # external watchdog should not bark
2225		2659
2226	eval {	2660	warn "syncing database to disk";
		2661	BDB::db_env_txn_checkpoint $DB_ENV;
		2662
2227	# if anything goes wrong in here, we should simply crash as we already saved	2663	# if anything goes wrong in here, we should simply crash as we already saved
2228		2664
2229	# cancel all watchers	2665	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2666	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2668	}
2233		2669
		2670	warn "flushing outstanding aio requests";
		2671	for (;;) {
		2672	BDB::flush;
		2673	IO::AIO::flush;
		2674	Coro::cede;
		2675	last unless IO::AIO::nreqs || BDB::nreqs;
		2676	warn "iterate...";
		2677	}
		2678
		2679	++$RELOAD;
		2680
2234	# cancel all extension coros	2681	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2682	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2683	%EXT_CORO = ();
2237		2684
2238	# unload all extensions	2685	warn "removing commands";
2239	for (@exts) {	2686	%COMMAND = ();
		2687
		2688	warn "removing ext commands";
		2689	%EXTCMD = ();
		2690
		2691	warn "unloading/nuking all extensions";
		2692	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2693	warn "... unloading $pkg";
2241	unload_extension $_;	2694
		2695	if (my $cb = $pkg->can ("unload")) {
		2696	eval {
		2697	$cb->($pkg);
		2698	1
		2699	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2700	}
2243		2701
		2702	warn "... nuking $pkg";
		2703	Symbol::delete_package $pkg;
		2704	}
		2705
2244	# unload all modules loaded from $LIBDIR	2706	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2707	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2709
2248	warn "removing <$k>";	2710	warn "... unloading $k";
2249	delete $INC{$k};	2711	delete $INC{$k};
2250		2712
2251	$k =~ s/\.pm$//;	2713	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2714	$k =~ s/\//::/g;
2253		2715
…		…
2256	}	2718	}
2257		2719
2258	Symbol::delete_package $k;	2720	Symbol::delete_package $k;
2259	}	2721	}
2260		2722
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2723	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2726
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2727	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2274		2730
2275	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2732	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2278		2734
2279	# reload cf.pm	2735	warn "unload completed, starting to reload now";
		2736
2280	warn "reloading cf.pm";	2737	warn "reloading cf.pm";
2281	require cf;	2738	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2740
2284	# load config and database again	2741	warn "loading config and database again";
2285	cf::cfg_load;	2742	cf::cfg_load;
2286	cf::db_load;
2287		2743
2288	# load extensions
2289	warn "load extensions";	2744	warn "loading extensions";
2290	cf::load_extensions;	2745	cf::load_extensions;
2291		2746
2292	# reattach attachments to objects	2747	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2748	_global_reattach; # objects, sockets
2294	_global_reattach;	2749	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2750	reattach $_ for values %MAP;
2296	};	2751	warn "reattaching attachments to players";
		2752	reattach $_ for values %PLAYER;
2297		2753
2298	if ($@) {	2754	warn "leaving sync_job";
		2755
		2756	1
		2757	} or do {
2299	warn $@;	2758	warn $@;
2300	warn "error while reloading, exiting.";	2759	warn "error while reloading, exiting.";
2301	exit 1;	2760	exit 1;
2302	}	2761	};
2303		2762
2304	warn "reloaded successfully";	2763	warn "reloaded";
2305	};	2764	};
2306		2765
2307	#############################################################################	2766	our $RELOAD_WATCHER; # used only during reload
2308		2767
2309	unless ($LINK_MAP) {	2768	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	2769	# doing reload synchronously and two reloads happen back-to-back,
		2770	# coro crashes during coro_state_free->destroy here.
2311		2771
2312	$LINK_MAP->width (41);	2772	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2773	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	2774	after => 0,
		2775	data => WF_AUTOCANCEL,
2322	cb => sub {	2776	cb => sub {
2323	$_[0]->w->cancel;	2777	do_reload_perl;
2324		2778	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	2779	},
2343		2780	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2781	}
2349
2350	register "<global>", __PACKAGE__;
2351		2782
2352	register_command "reload" => sub {	2783	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2354		2785
2355	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2787	$who->message ("reloading server.");
		2788	async { reload_perl };
2359	}	2789	}
2360	};	2790	};
2361		2791
2362	unshift @INC, $LIBDIR;	2792	unshift @INC, $LIBDIR;
		2793
		2794	my $bug_warning = 0;
		2795
		2796	our @WAIT_FOR_TICK;
		2797	our @WAIT_FOR_TICK_BEGIN;
		2798
		2799	sub wait_for_tick {
		2800	return unless $TICK_WATCHER->is_active;
		2801	return if $Coro::current == $Coro::main;
		2802
		2803	my $signal = new Coro::Signal;
		2804	push @WAIT_FOR_TICK, $signal;
		2805	$signal->wait;
		2806	}
		2807
		2808	sub wait_for_tick_begin {
		2809	return unless $TICK_WATCHER->is_active;
		2810	return if $Coro::current == $Coro::main;
		2811
		2812	my $signal = new Coro::Signal;
		2813	push @WAIT_FOR_TICK_BEGIN, $signal;
		2814	$signal->wait;
		2815	}
2363		2816
2364	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2818	reentrant => 0,
		2819	parked => 1,
2366	prio => 0,	2820	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2821	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2822	data => WF_AUTOCANCEL,
2369	cb => sub {	2823	cb => sub {
		2824	if ($Coro::current != $Coro::main) {
		2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2826	unless ++$bug_warning > 10;
		2827	return;
		2828	}
		2829
		2830	$NOW = Event::time;
		2831
2370	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2371	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2373		2836
		2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2838	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2839	Coro::async_pool {
		2840	write_runtime
		2841	or warn "ERROR: unable to write runtime file: $!";
		2842	};
		2843	}
		2844
		2845	# my $AFTER = Event::time;
		2846	# warn $AFTER - $NOW;#d#
		2847
2374	# if we are delayed by four ticks or more, skip them all	2848	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2850
2377	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2852	$TICK_WATCHER->start;
		2853
		2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2855	$sig->send;
		2856	}
		2857	while (my $sig = shift @WAIT_FOR_TICK) {
		2858	$sig->send;
		2859	}
		2860
		2861	_post_tick;
2379	},	2862	},
2380	);	2863	);
2381		2864
		2865	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2866	BDB::max_poll_time $TICK * 0.1;
2383		2867	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2868	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2869	fd => BDB::poll_fileno,
2386	poll => 'r',	2870	poll => 'r',
2387	prio => 5,	2871	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2394	after => 0,	2873	cb => \&BDB::poll_cb,
2395	interval => 10,	2874	);
2396	cb => sub {	2875	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2876
2398	write_runtime	2877	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2878	my $status;
		2879	my $current = $Coro::current;
		2880	(
		2881	sub {
		2882	$status = $!;
		2883	$current->ready; undef $current;
		2884	},
		2885	sub {
		2886	Coro::schedule while defined $current;
		2887	$! = $status;
		2888	},
		2889	)
		2890	};
		2891
		2892	unless ($DB_ENV) {
		2893	$DB_ENV = BDB::db_env_create;
		2894
		2895	cf::sync_job {
		2896	eval {
		2897	BDB::db_env_open
		2898	$DB_ENV,
		2899	$BDBDIR,
		2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2902	0666;
		2903
		2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2905
		2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2907	$DB_ENV->set_lk_detect;
		2908	};
		2909
		2910	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2911	};
2401	},	2912	}
2402	);	2913	}
		2914
		2915	{
		2916	IO::AIO::min_parallel 8;
		2917
		2918	undef $Coro::AIO::WATCHER;
		2919	IO::AIO::max_poll_time $TICK * 0.1;
		2920	$AIO_POLL_WATCHER = Event->io (
		2921	reentrant => 0,
		2922	data => WF_AUTOCANCEL,
		2923	fd => IO::AIO::poll_fileno,
		2924	poll => 'r',
		2925	prio => 6,
		2926	cb => \&IO::AIO::poll_cb,
		2927	);
		2928	}
		2929
		2930	# load additional modules
		2931	use cf::pod;
2403		2932
2404	END { cf::emergency_save }	2933	END { cf::emergency_save }
2405		2934
2406	1	2935	1
2407		2936

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