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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 1.262 by root, Sat Apr 28 05:55:55 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
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
		1552	}
		1553
		1554	# find and load all maps in the 3x3 area around a map
		1555	sub load_diag {
		1556	my ($map) = @_;
		1557
		1558	my @diag; # diagonal neighbours
		1559
		1560	for (0 .. 3) {
		1561	my $neigh = $map->tile_path ($_)
		1562	or next;
		1563	$neigh = find $neigh, $map
		1564	or next;
		1565	$neigh->load;
		1566
		1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1569	}
		1570
		1571	for (@diag) {
		1572	my $neigh = find @$_
		1573	or next;
		1574	$neigh->load;
		1575	}
1454	}	1576	}
1455		1577
1456	sub find_sync {	1578	sub find_sync {
1457	my ($path, $origin) = @_;	1579	my ($path, $origin) = @_;
1458		1580
1459	cf::sync_job { cf::map::find $path, $origin }	1581	cf::sync_job { find $path, $origin }
1460	}	1582	}
1461		1583
1462	sub do_load_sync {	1584	sub do_load_sync {
1463	my ($map) = @_;	1585	my ($map) = @_;
1464		1586
1465	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1466	}	1588	}
1467		1589
		1590	our %MAP_PREFETCH;
		1591	our $MAP_PREFETCHER = undef;
		1592
		1593	sub find_async {
		1594	my ($path, $origin) = @_;
		1595
		1596	$path = normalise $path, $origin && $origin->{path};
		1597
		1598	if (my $map = $cf::MAP{$path}) {
		1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1600	}
		1601
		1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
		1615	$MAP_PREFETCHER->prio (6);
		1616
		1617	()
		1618	}
		1619
1468	sub save {	1620	sub save {
1469	my ($self) = @_;	1621	my ($self) = @_;
1470		1622
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1624
1473	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1474		1626
1475	return unless $self->dirty;	1627	return unless $self->dirty;
1476		1628
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1631
1480	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1481		1633
1482	return if $self->{deny_save};	1634	return if $self->{deny_save};
1483		1635
…		…
1486	cf::async {	1638	cf::async {
1487	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1488	};	1640	};
1489		1641
1490	if ($uniq) {	1642	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1645	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1647	}
1496	}	1648	}
1497		1649
1498	sub swap_out {	1650	sub swap_out {
1499	my ($self) = @_;	1651	my ($self) = @_;
…		…
1513		1665
1514	sub reset_at {	1666	sub reset_at {
1515	my ($self) = @_;	1667	my ($self) = @_;
1516		1668
1517	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1520		1672
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1675
…		…
1528	my ($self) = @_;	1680	my ($self) = @_;
1529		1681
1530	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1531	}	1683	}
1532		1684
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	1685	sub reset {
1555	my ($self) = @_;	1686	my ($self) = @_;
1556		1687
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1689
1559	return if $self->players;	1690	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1561		1692
1562	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1563		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1564	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1565		1708
1566	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1567		1710
1568	$self->unlink_save;	1711	$self->unlink_save;
1569	$self->destroy;	1712	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1573		1716
1574	sub nuke {	1717	sub nuke {
1575	my ($self) = @_;	1718	my ($self) = @_;
1576		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1580	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1581	}	1733	}
1582		1734
1583	sub customise_for {	1735	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1736
1586	if ($map->per_player) {	1737	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1738	instantiated unique items. May block.
1588	}
1589		1739
1590	$map	1740	=cut
1591	}
1592		1741
1593	sub emergency_save {	1742	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1743	my $files = aio_readdir $UNIQUEDIR
		1744	or return;
1595		1745
1596	warn "enter emergency perl save\n";	1746	my @paths;
1597		1747
1598	cf::sync_job {	1748	for (@$files) {
1599	warn "begin emergency player save\n";	1749	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1750	next if /\.pst$/;
1601	warn "end emergency player save\n";	1751	next unless /^$PATH_SEP/o;
1602		1752
1603	warn "begin emergency map save\n";	1753	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1754	}
1607		1755
1608	warn "leave emergency perl save\n";	1756	\@paths
1609	}	1757	}
1610		1758
1611	package cf;	1759	package cf;
1612		1760
1613	=back	1761	=back
1614		1762
		1763	=head3 cf::object
		1764
		1765	=cut
		1766
		1767	package cf::object;
		1768
		1769	=over 4
		1770
		1771	=item $ob->inv_recursive
		1772
		1773	Returns the inventory of the object _and_ their inventories, recursively.
		1774
		1775	=cut
		1776
		1777	sub inv_recursive_;
		1778	sub inv_recursive_ {
		1779	map { $_, inv_recursive_ $_->inv } @_
		1780	}
		1781
		1782	sub inv_recursive {
		1783	inv_recursive_ inv $_[0]
		1784	}
		1785
		1786	package cf;
		1787
		1788	=back
1615		1789
1616	=head3 cf::object::player	1790	=head3 cf::object::player
1617		1791
1618	=over 4	1792	=over 4
1619		1793
…		…
1659		1833
1660	=item $player_object->enter_link	1834	=item $player_object->enter_link
1661		1835
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1836	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1837
1664	The player should be reaosnably safe there for short amounts of time. You	1838	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.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1666		1840
		1841	Will never block.
		1842
1667	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1668		1844
1669	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1848	fails, to the emergency map position.
1673		1849
1674	Might block.	1850	Might block.
1675		1851
1676	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($LINK_MAP) {
		1856	$LINK_MAP = cf::map::find "{link}"
		1857	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1858	$LINK_MAP->load;
		1859	}
		1860
		1861	$LINK_MAP
		1862	}
1677		1863
1678	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1865	my ($self) = @_;
1680		1866
1681	$self->deactivate_recursive;	1867	$self->deactivate_recursive;
1682		1868
1683	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1870
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1872	if $self->map;
1687		1873
1688	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1875	}
1690		1876
1691	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1693		1879
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1897	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1898	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1899	if $x <=0 && $y <= 0;
1714		1900
1715	$map->load;	1901	$map->load;
		1902	$map->load_diag;
1716		1903
1717	return unless $self->contr->active;	1904	return unless $self->contr->active;
1718	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1720	}	1909	}
1721		1910
1722	cf::player->attach (	1911	cf::player->attach (
1723	on_logout => sub {	1912	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1926	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1740	(async {	1929	(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,	1930	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1932	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1933	cf::NDI_RED);
		1934	# we need this sleep as the login has a concurrent enter_exit running
		1935	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1749	})->prio (2);	1938	})->prio (2);
1750	}	1939	}
1751	},	1940	},
…		…
1756	=cut	1945	=cut
1757		1946
1758	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1760		1949
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1950	$self->enter_link;
1765		1951
1766	(async {	1952	(async {
		1953	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1769		1956	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1959
1775	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1961	})->prio (1);
1777	}	1962	}
1778		1963
…		…
1782		1967
1783	sub parse_random_map_params {	1968	sub parse_random_map_params {
1784	my ($spec) = @_;	1969	my ($spec) = @_;
1785		1970
1786	my $rmp = { # defaults	1971	my $rmp = { # defaults
1787	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1789	};	1976	};
1790		1977
1791	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1793		1980
…		…
1797	$rmp	1984	$rmp
1798	}	1985	}
1799		1986
1800	sub prepare_random_map {	1987	sub prepare_random_map {
1801	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1991
1803	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1994	# that depends on the exit object
1806		1995
1807	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1808		1997
1809	if ($exit->map) {	1998	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1814	}	2003	}
1815		2004
1816	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1817		2006
1818	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1820		2010
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
		2013	undef $fh;
		2014	aio_rename "$meta~", $meta;
1823		2015
1824	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2017	$exit->msg (undef);
1826	}	2018	}
1827	}	2019	}
1828		2020
1829	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1831		2023
1832	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
		2025
		2026	if ($exit->slaying eq "/!") {
		2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
		2030	cf::sync_job { prepare_random_map $exit };
		2031	}
		2032
		2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2034	my $hp = $exit->stats->hp;
		2035	my $sp = $exit->stats->sp;
1833		2036
1834	$self->enter_link;	2037	$self->enter_link;
1835		2038
1836	(async {	2039	(async {
1837	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2041	unless (eval {
1839	prepare_random_map $exit	2042	$self->goto ($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		2043
1845	1;	2044	1;
1846	}) {	2045	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2048	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2050
1852	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2052	$self->leave_link;
1854	}	2053	}
1855	})->prio (1);	2054	})->prio (1);
…		…
1868		2067
1869	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1871		2070
1872	utf8::encode $text;	2071	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2073	}
1875		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1876		2087
1877	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1878		2089
1879	Queues a query to the client, calling the given callback with	2090	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>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2120	# get handled first
1910	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2123
1913	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2126
1915	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1916		2128
1917	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2130	if (@$queue) {
…		…
1976		2188
1977	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
1978		2190
1979	=pod	2191	=pod
1980		2192
1981	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
1982		2194
1983	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2196	cf::object::player player
1985	cf::player peaceful	2197	cf::player peaceful
1986	cf::map trigger	2198	cf::map trigger
…		…
2071	#############################################################################	2283	#############################################################################
2072		2284
2073	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2074		2286
2075	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2076	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2077	excludes objects.	2289	convert to/from binary).
2078		2290
2079	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2292	using it, it should be unique.
2081		2293
2082	=over 4	2294	=over 4
2083		2295
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	2296	=item $value = cf::db_get $family => $key
2091		2297
2092	Returns a single value from the database	2298	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		2299
2099	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2100		2301
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	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		2303
2112	=cut	2304	=cut
2113		2305
2114	our $DB;	2306	our $DB;
2115		2307
2116	{	2308	sub db_init {
2117	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2118		2311
2119	sub db_load() {	2312	cf::sync_job {
2120	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2121	}	2314	$DB->set_flags (BDB::CHKSUM);
2122		2315
2123	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2124		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2125	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2126	waitpid $pid, 0 if $pid;	2319	};
2127	if (0 == ($pid = fork)) {	2320	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	}	2321	};
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	});	2322	}
		2323	}
2145		2324
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2325	sub db_get($$) {
2152	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2157	sub db_put($$;$) {	2336	sub db_put($$$) {
2158	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2160	} else {	2339	}
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		2340
2166	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2167	prio => 10000,	2342
2168	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2169	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
2170	},	2373	}
2171	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
2172	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	reset_signals;
		2441	local $SIG{__WARN__};
		2442	local $SIG{__DIE__};
		2443	eval {
		2444	close $fh1;
		2445
		2446	my @res = eval { $cb->(@args) };
		2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2448	};
		2449
		2450	warn $@ if $@;
		2451	_exit 0;
		2452	}
		2453	}
		2454
		2455
2173		2456
2174	#############################################################################	2457	#############################################################################
2175	# the server's main()	2458	# the server's init and main functions
		2459
		2460	sub load_facedata($) {
		2461	my ($path) = @_;
		2462
		2463	warn "loading facedata from $path\n";
		2464
		2465	my $facedata;
		2466	0 < aio_load $path, $facedata
		2467	or die "$path: $!";
		2468
		2469	$facedata = Coro::Storable::thaw $facedata;
		2470
		2471	$facedata->{version} == 2
		2472	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2473
		2474	{
		2475	my $faces = $facedata->{faceinfo};
		2476
		2477	while (my ($face, $info) = each %$faces) {
		2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2482	Coro::cede;
		2483	}
		2484
		2485	while (my ($face, $info) = each %$faces) {
		2486	next unless $info->{smooth};
		2487	my $idx = cf::face::find $face
		2488	or next;
		2489	if (my $smooth = cf::face::find $info->{smooth}) {
		2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2491	} else {
		2492	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2493	}
		2494	Coro::cede;
		2495	}
		2496	}
		2497
		2498	{
		2499	my $anims = $facedata->{animinfo};
		2500
		2501	while (my ($anim, $info) = each %$anims) {
		2502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2503	Coro::cede;
		2504	}
		2505
		2506	cf::anim::invalidate_all; # d'oh
		2507	}
		2508
		2509	1
		2510	}
		2511
		2512	sub reload_regions {
		2513	load_resource_file "$MAPDIR/regions"
		2514	or die "unable to load regions file\n";
		2515	}
		2516
		2517	sub reload_facedata {
		2518	load_facedata "$DATADIR/facedata"
		2519	or die "unable to load facedata\n";
		2520	}
		2521
		2522	sub reload_archetypes {
		2523	load_resource_file "$DATADIR/archetypes"
		2524	or die "unable to load archetypes\n";
		2525	}
		2526
		2527	sub reload_treasures {
		2528	load_resource_file "$DATADIR/treasures"
		2529	or die "unable to load treasurelists\n";
		2530	}
		2531
		2532	sub reload_resources {
		2533	warn "reloading resource files...\n";
		2534
		2535	reload_regions;
		2536	reload_facedata;
		2537	reload_archetypes;
		2538	reload_treasures;
		2539
		2540	warn "finished reloading resource files\n";
		2541	}
		2542
		2543	sub init {
		2544	reload_resources;
		2545	}
2176		2546
2177	sub cfg_load {	2547	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2548	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2549	or return;
2180		2550
2181	local $/;	2551	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2552	*CFG = YAML::Syck::Load <$fh>;
2183		2553
…		…
2197		2567
2198	sub main {	2568	sub main {
2199	# we must not ever block the main coroutine	2569	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2570	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2572	(async {
2202	async { Event::one_event };	2573	Event::one_event;
		2574	})->prio (Coro::PRIO_MAX);
2203	};	2575	};
2204		2576
2205	cfg_load;	2577	cfg_load;
2206	db_load;	2578	db_init;
2207	load_extensions;	2579	load_extensions;
		2580
		2581	$TICK_WATCHER->start;
2208	Event::loop;	2582	Event::loop;
2209	}	2583	}
2210		2584
2211	#############################################################################	2585	#############################################################################
2212	# initialisation	2586	# initialisation and cleanup
2213		2587
		2588	# install some emergency cleanup handlers
		2589	BEGIN {
		2590	for my $signal (qw(INT HUP TERM)) {
		2591	Event->signal (
		2592	reentrant => 0,
		2593	data => WF_AUTOCANCEL,
		2594	signal => $signal,
		2595	prio => 0,
		2596	cb => sub {
		2597	cf::cleanup "SIG$signal";
		2598	},
		2599	);
		2600	}
		2601	}
		2602
		2603	sub emergency_save() {
		2604	my $freeze_guard = cf::freeze_mainloop;
		2605
		2606	warn "enter emergency perl save\n";
		2607
		2608	cf::sync_job {
		2609	# use a peculiar iteration method to avoid tripping on perl
		2610	# refcount bugs in for. also avoids problems with players
		2611	# and maps saved/destroyed asynchronously.
		2612	warn "begin emergency player save\n";
		2613	for my $login (keys %cf::PLAYER) {
		2614	my $pl = $cf::PLAYER{$login} or next;
		2615	$pl->valid or next;
		2616	$pl->save;
		2617	}
		2618	warn "end emergency player save\n";
		2619
		2620	warn "begin emergency map save\n";
		2621	for my $path (keys %cf::MAP) {
		2622	my $map = $cf::MAP{$path} or next;
		2623	$map->valid or next;
		2624	$map->save;
		2625	}
		2626	warn "end emergency map save\n";
		2627
		2628	warn "begin emergency database checkpoint\n";
		2629	BDB::db_env_txn_checkpoint $DB_ENV;
		2630	warn "end emergency database checkpoint\n";
		2631	};
		2632
		2633	warn "leave emergency perl save\n";
		2634	}
		2635
		2636	sub post_cleanup {
		2637	my ($make_core) = @_;
		2638
		2639	warn Carp::longmess "post_cleanup backtrace"
		2640	if $make_core;
		2641	}
		2642
2214	sub reload() {	2643	sub do_reload_perl() {
2215	# can/must only be called in main	2644	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2645	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2646	warn "can only reload from main coroutine";
2218	return;	2647	return;
2219	}	2648	}
2220		2649
2221	warn "reloading...";	2650	warn "reloading...";
2222		2651
2223	my $guard = freeze_mainloop;	2652	warn "entering sync_job";
		2653
		2654	cf::sync_job {
		2655	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2656	cf::emergency_save;
		2657	cf::write_runtime; # external watchdog should not bark
2225		2658
2226	eval {	2659	warn "syncing database to disk";
		2660	BDB::db_env_txn_checkpoint $DB_ENV;
		2661
2227	# if anything goes wrong in here, we should simply crash as we already saved	2662	# if anything goes wrong in here, we should simply crash as we already saved
2228		2663
2229	# cancel all watchers	2664	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2665	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2667	}
2233		2668
		2669	warn "flushing outstanding aio requests";
		2670	for (;;) {
		2671	BDB::flush;
		2672	IO::AIO::flush;
		2673	Coro::cede;
		2674	last unless IO::AIO::nreqs || BDB::nreqs;
		2675	warn "iterate...";
		2676	}
		2677
		2678	++$RELOAD;
		2679
2234	# cancel all extension coros	2680	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2681	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2682	%EXT_CORO = ();
2237		2683
2238	# unload all extensions	2684	warn "removing commands";
2239	for (@exts) {	2685	%COMMAND = ();
		2686
		2687	warn "removing ext commands";
		2688	%EXTCMD = ();
		2689
		2690	warn "unloading/nuking all extensions";
		2691	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2692	warn "... unloading $pkg";
2241	unload_extension $_;	2693
		2694	if (my $cb = $pkg->can ("unload")) {
		2695	eval {
		2696	$cb->($pkg);
		2697	1
		2698	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2699	}
2243		2700
		2701	warn "... nuking $pkg";
		2702	Symbol::delete_package $pkg;
		2703	}
		2704
2244	# unload all modules loaded from $LIBDIR	2705	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2706	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2708
2248	warn "removing <$k>";	2709	warn "... unloading $k";
2249	delete $INC{$k};	2710	delete $INC{$k};
2250		2711
2251	$k =~ s/\.pm$//;	2712	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2713	$k =~ s/\//::/g;
2253		2714
…		…
2256	}	2717	}
2257		2718
2258	Symbol::delete_package $k;	2719	Symbol::delete_package $k;
2259	}	2720	}
2260		2721
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2722	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2723	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2725
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2726	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2727	delete $INC{"cf.pm"};
		2728	delete $INC{"cf/pod.pm"};
2274		2729
2275	# don't, removes xs symbols, too,	2730	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2731	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2732	#Symbol::delete_package __PACKAGE__;
2278		2733
2279	# reload cf.pm	2734	warn "unload completed, starting to reload now";
		2735
2280	warn "reloading cf.pm";	2736	warn "reloading cf.pm";
2281	require cf;	2737	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2739
2284	# load config and database again	2740	warn "loading config and database again";
2285	cf::cfg_load;	2741	cf::cfg_load;
2286	cf::db_load;
2287		2742
2288	# load extensions
2289	warn "load extensions";	2743	warn "loading extensions";
2290	cf::load_extensions;	2744	cf::load_extensions;
2291		2745
2292	# reattach attachments to objects	2746	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2747	_global_reattach; # objects, sockets
2294	_global_reattach;	2748	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2749	reattach $_ for values %MAP;
2296	};	2750	warn "reattaching attachments to players";
		2751	reattach $_ for values %PLAYER;
2297		2752
2298	if ($@) {	2753	warn "leaving sync_job";
		2754
		2755	1
		2756	} or do {
2299	warn $@;	2757	warn $@;
2300	warn "error while reloading, exiting.";	2758	warn "error while reloading, exiting.";
2301	exit 1;	2759	exit 1;
2302	}	2760	};
2303		2761
2304	warn "reloaded successfully";	2762	warn "reloaded";
2305	};	2763	};
2306		2764
2307	#############################################################################	2765	our $RELOAD_WATCHER; # used only during reload
2308		2766
2309	unless ($LINK_MAP) {	2767	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	2768	# doing reload synchronously and two reloads happen back-to-back,
		2769	# coro crashes during coro_state_free->destroy here.
2311		2770
2312	$LINK_MAP->width (41);	2771	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2772	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,	2773	after => 0,
		2774	data => WF_AUTOCANCEL,
2322	cb => sub {	2775	cb => sub {
2323	$_[0]->w->cancel;	2776	do_reload_perl;
2324		2777	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	});	2778	},
2343		2779	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2780	}
2349
2350	register "<global>", __PACKAGE__;
2351		2781
2352	register_command "reload" => sub {	2782	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2783	my ($who, $arg) = @_;
2354		2784
2355	if ($who->flag (FLAG_WIZ)) {	2785	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2786	$who->message ("reloading server.");
		2787	async { reload_perl };
2359	}	2788	}
2360	};	2789	};
2361		2790
2362	unshift @INC, $LIBDIR;	2791	unshift @INC, $LIBDIR;
		2792
		2793	my $bug_warning = 0;
		2794
		2795	our @WAIT_FOR_TICK;
		2796	our @WAIT_FOR_TICK_BEGIN;
		2797
		2798	sub wait_for_tick {
		2799	return unless $TICK_WATCHER->is_active;
		2800	return if $Coro::current == $Coro::main;
		2801
		2802	my $signal = new Coro::Signal;
		2803	push @WAIT_FOR_TICK, $signal;
		2804	$signal->wait;
		2805	}
		2806
		2807	sub wait_for_tick_begin {
		2808	return unless $TICK_WATCHER->is_active;
		2809	return if $Coro::current == $Coro::main;
		2810
		2811	my $signal = new Coro::Signal;
		2812	push @WAIT_FOR_TICK_BEGIN, $signal;
		2813	$signal->wait;
		2814	}
2363		2815
2364	$TICK_WATCHER = Event->timer (	2816	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2817	reentrant => 0,
		2818	parked => 1,
2366	prio => 0,	2819	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2820	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2821	data => WF_AUTOCANCEL,
2369	cb => sub {	2822	cb => sub {
		2823	if ($Coro::current != $Coro::main) {
		2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2825	unless ++$bug_warning > 10;
		2826	return;
		2827	}
		2828
		2829	$NOW = Event::time;
		2830
2370	cf::server_tick; # one server iteration	2831	cf::server_tick; # one server iteration
		2832
2371	$RUNTIME += $TICK;	2833	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2834	$NEXT_TICK += $TICK;
2373		2835
		2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2837	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2838	Coro::async_pool {
		2839	write_runtime
		2840	or warn "ERROR: unable to write runtime file: $!";
		2841	};
		2842	}
		2843
		2844	# my $AFTER = Event::time;
		2845	# warn $AFTER - $NOW;#d#
		2846
2374	# if we are delayed by four ticks or more, skip them all	2847	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2849
2377	$TICK_WATCHER->at ($NEXT_TICK);	2850	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2851	$TICK_WATCHER->start;
		2852
		2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2854	$sig->send;
		2855	}
		2856	while (my $sig = shift @WAIT_FOR_TICK) {
		2857	$sig->send;
		2858	}
		2859
		2860	_post_tick;
2379	},	2861	},
2380	);	2862	);
2381		2863
		2864	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2865	BDB::max_poll_time $TICK * 0.1;
2383		2866	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2867	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2868	fd => BDB::poll_fileno,
2386	poll => 'r',	2869	poll => 'r',
2387	prio => 5,	2870	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2871	data => WF_AUTOCANCEL,
2394	after => 0,	2872	cb => \&BDB::poll_cb,
2395	interval => 10,	2873	);
2396	cb => sub {	2874	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2875
2398	write_runtime	2876	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2877	my $status;
		2878	my $current = $Coro::current;
		2879	(
		2880	sub {
		2881	$status = $!;
		2882	$current->ready; undef $current;
		2883	},
		2884	sub {
		2885	Coro::schedule while defined $current;
		2886	$! = $status;
		2887	},
		2888	)
		2889	};
		2890
		2891	unless ($DB_ENV) {
		2892	$DB_ENV = BDB::db_env_create;
		2893
		2894	cf::sync_job {
		2895	eval {
		2896	BDB::db_env_open
		2897	$DB_ENV,
		2898	$BDBDIR,
		2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2901	0666;
		2902
		2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2904
		2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2906	$DB_ENV->set_lk_detect;
		2907	};
		2908
		2909	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2910	};
2401	},	2911	}
2402	);	2912	}
		2913
		2914	{
		2915	IO::AIO::min_parallel 8;
		2916
		2917	undef $Coro::AIO::WATCHER;
		2918	IO::AIO::max_poll_time $TICK * 0.1;
		2919	$AIO_POLL_WATCHER = Event->io (
		2920	reentrant => 0,
		2921	data => WF_AUTOCANCEL,
		2922	fd => IO::AIO::poll_fileno,
		2923	poll => 'r',
		2924	prio => 6,
		2925	cb => \&IO::AIO::poll_cb,
		2926	);
		2927	}
		2928
		2929	my $_log_backtrace;
		2930
		2931	sub _log_backtrace {
		2932	my ($msg, @addr) = @_;
		2933
		2934	$msg =~ s/\n//;
		2935
		2936	# limit the # of concurrent backtraces
		2937	if ($_log_backtrace < 2) {
		2938	++$_log_backtrace;
		2939	async {
		2940	my @bt = fork_call {
		2941	@addr = map { sprintf "%x", $_ } @addr;
		2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2944	or die "addr2line: $!";
		2945
		2946	my @funcs;
		2947	my @res = <$fh>;
		2948	chomp for @res;
		2949	while (@res) {
		2950	my ($func, $line) = splice @res, 0, 2, ();
		2951	push @funcs, "[$func] $line";
		2952	}
		2953
		2954	@funcs
		2955	};
		2956
		2957	LOG llevInfo, "[ABT] $msg\n";
		2958	LOG llevInfo, "[ABT] $_\n" for @bt;
		2959	--$_log_backtrace;
		2960	};
		2961	} else {
		2962	LOG llevInfo, "[ABT] $msg\n";
		2963	LOG llevInfo, "[ABT] [suppressed]\n";
		2964	}
		2965	}
		2966
		2967	# load additional modules
		2968	use cf::pod;
2403		2969
2404	END { cf::emergency_save }	2970	END { cf::emergency_save }
2405		2971
2406	1	2972	1
2407		2973

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