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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.262 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
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		94
62	binmode STDOUT;	95	binmode STDOUT;
63	binmode STDERR;	96	binmode STDERR;
64		97
65	# read virtual server time, if available	98	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
70	}	103	}
71		104
72	mkdir cf::localdir;	105	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		107
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
81		111
82	#############################################################################	112	#############################################################################
83		113
84	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
85		115
…		…
92	=item $cf::RUNTIME	122	=item $cf::RUNTIME
93		123
94	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
95	every server tick.	125	every server tick.
96		126
97	=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
98		130
99	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		135
102	=item $cf::NOW	136	=item $cf::NOW
103		137
104	The time of the last (current) server tick.	138	The time of the last (current) server tick.
105		139
…		…
110	=item %cf::CFG	144	=item %cf::CFG
111		145
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	147	from wherever your confdir points to.
114		148
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		150
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		154
122	=back	155	=back
123		156
124	=cut	157	=cut
125		158
126	BEGIN {	159	BEGIN {
127	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	161	my $msg = join "", @_;
129	utf8::encode $msg;
130		162
131	$msg .= "\n"	163	$msg .= "\n"
132	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
133		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
134	LOG llevError, $msg;	169	LOG llevError, $msg;
135	};	170	};
136	}	171	}
137		172
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	191	}
157		192
158	$Event::DIED = sub {	193	$Event::DIED = sub {
159	warn "error in event callback: @_";	194	warn "error in event callback: @_";
160	};	195	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		196
166	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
167		198
168	=over 4	199	=over 4
169		200
…		…
188	$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;
189	$d	220	$d
190	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
191	}	222	}
192		223
193	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
194		225
195	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
196		227
197	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
198		229
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
207		231
208	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		233
217	=item cf::lock_wait $string	234	=item cf::lock_wait $string
218		235
219	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
220		237
…		…
226	returned.	243	returned.
227		244
228	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
229	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
230		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
231	=cut	252	=cut
232		253
233	our %LOCK;	254	our %LOCK;
234		255
235	sub lock_wait($) {	256	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
256	}	277	}
257	}	278	}
258		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
259	sub freeze_mainloop {	286	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
261		288
262	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
263	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
264	$guard	293	$guard
265	}	294	}
266		295
267	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
319	}	348	}
320	}	349	}
321		350
322	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
323		352
324	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	354	extension calling this is being unloaded.
326		355
327	=cut	356	=cut
328		357
329	sub async_ext(&) {	358	sub async_ext(&) {
…		…
338		367
339	$coro	368	$coro
340	}	369	}
341		370
342	sub write_runtime {	371	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
344		375
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	377	or return;
347		378
		379	my $value = $cf::RUNTIME + 90 + 10;
348	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
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	384	and return;
351		385
		386	# always fsync - this file is important
352	aio_fsync $fh	387	aio_fsync $fh
353	and return;	388	and return;
354		389
355	close $fh	390	close $fh
356	or return;	391	or return;
…		…
359	and return;	394	and return;
360		395
361	1	396	1
362	}	397	}
363		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
364	=back	410	=back
365		411
366	=cut	412	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		413
495	#############################################################################	414	#############################################################################
496		415
497	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
498		417
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	544	our @CB_MAP = ();
626		545
627	my %attachment;	546	my %attachment;
628		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
629	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
631		556
632	use sort 'stable';	557	use sort 'stable';
633		558
…		…
804	# object support	729	# object support
805		730
806	sub reattach {	731	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		736
810	my $registry = $obj->registry;	737	my $registry = $obj->registry;
811		738
812	@$registry = ();	739	@$registry = ();
813		740
…		…
860	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
861		788
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	793	close $fh;
867		794
868	if (@$objs) {	795	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	801	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
876	}	803	}
877	} else {	804	} else {
878	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
945	=cut	872	=cut
946		873
947	sub register_extcmd {	874	sub register_extcmd {
948	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
949		876
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
954	}	878	}
955		879
956	cf::player->attach (	880	cf::player->attach (
957	on_command => sub {	881	on_command => sub {
958	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
971		895
972	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
973		897
974	if (ref $msg) {	898	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	902	}
979	}	903	}
980	} else {	904	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		907
984	cf::override;	908	cf::override;
985	},	909	},
986	);	910	);
987		911
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	912	sub load_extension {
995	my ($path) = @_;	913	my ($path) = @_;
996		914
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	916	my $base = $1;
999	my $pkg = $1;	917	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
1002		920
1003	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
1004		922
1005	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	924	or die "$path: $!";
1007		925
1008	my $source =	926	my $source =
1009	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1012	. "\n};\n1";	930	. "\n};\n1";
1013		931
1014	eval $source	932	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	934	: "extension disabled.\n";
1017		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	936	warn $@;
1019	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
1020		938	exit 1;
1021	# no strict 'refs';	939	}
1022	# @{"$pkg\::ISA"} = ext::;	940	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	941	}
1037		942
1038	# remove commands	943	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	944	}
1063		945
1064	sub load_extensions {	946	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	948	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1071	}	953	}
1072	}	954	}
1073		955
1074	#############################################################################	956	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		957
1090	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1091		959
1092	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1093		961
…		…
1106	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1107		975
1108	=cut	976	=cut
1109		977
1110	sub playerdir($) {	978	sub playerdir($) {
1111	cf::localdir	979	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	981	}
1117		982
1118	sub path($) {	983	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		985
1121	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1122	}	987	}
1123		988
1124	sub find_active($) {	989	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1129		994
1130	sub exists($) {	995	sub exists($) {
1131	my ($login) = @_;	996	my ($login) = @_;
1132		997
1133	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1135	}	1000	}
1136		1001
1137	sub find($) {	1002	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1004	my $login = $_[0];
1140		1005
1141	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1142		1007
1143	$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
1144	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1145	or return;	1017	or return;
1146	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1147	}	1019	}
1148	}	1020	}
…		…
1185		1057
1186	=cut	1058	=cut
1187		1059
1188	sub quit_character {	1060	sub quit_character {
1189	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1190		1064
1191	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1192	$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
1193		1067
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	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;
1205	}	1099	}
1206		1100
1207	=item cf::player::list_logins	1101	=item cf::player::list_logins
1208		1102
1209	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
1210	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1211		1105
1212	=cut	1106	=cut
1213		1107
1214	sub list_logins {	1108	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1110	or return [];
1217		1111
1218	my @logins;	1112	my @logins;
1219		1113
1220	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1229	\@logins	1123	\@logins
1230	}	1124	}
1231		1125
1232	=item $player->maps	1126	=item $player->maps
1233		1127
1234	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
1235	player. May block.	1129	player. May block.
1236		1130
1237	=cut	1131	=cut
1238		1132
1239	sub maps($) {	1133	sub maps($) {
1240	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1137
1242	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1243	or return;	1139	or return;
1244		1140
1245	my @paths;	1141	my @paths;
…		…
1247	for (@$files) {	1143	for (@$files) {
1248	utf8::decode $_;	1144	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1146	next unless /^$PATH_SEP/o;
1251		1147
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1148	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1149	}
1254		1150
1255	\@paths	1151	\@paths
1256	}	1152	}
1257		1153
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1259		1155
1260	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1261		1157
1262	=cut	1158	=cut
1263		1159
1264	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1266		1162
1267	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1268		1164
1269	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1270	}	1166	}
1271		1167
1272	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1273		1208
1274	=back	1209	=back
1275
1276		1210
1277	=head3 cf::map	1211	=head3 cf::map
1278		1212
1279	=over 4	1213	=over 4
1280		1214
…		…
1283	package cf::map;	1217	package cf::map;
1284		1218
1285	use Fcntl;	1219	use Fcntl;
1286	use Coro::AIO;	1220	use Coro::AIO;
1287		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1288	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1290		1228
1291	sub generate_random_map {	1229	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1232	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$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},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(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"
1308	}	1374	}
1309		1375
1310	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1311	# all maps in C++...	1377	# all maps in C++...
1312	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1314		1380
1315	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1317	}	1383	}
1318		1384
		1385	sub unlink_save {
		1386	my ($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
1319	sub try_load_header($) {	1393	sub load_header_from($) {
1320	my ($path) = @_;	1394	my ($self, $path) = @_;
1321		1395
1322	utf8::encode $path;	1396	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1324	or return;	1401	or return;
1325		1402
1326	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
1327	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1328		1449
1329	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1451	unless $self->default_region;
1331		1452
1332	$map->load_header ($path)	1453	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1454	}
1339		1455
1340	sub find;	1456	sub find;
1341	sub find {	1457	sub find {
1342	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1343		1459
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1461
1349	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1350		1463
1351	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1353		1466	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1467	or return;
1373		1468
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1386		1470
1387	Coro::cede;	1471	$map->load_header
		1472	or return;
1388		1473
1389	if ($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;
1390	$map->reset;	1477	$map->reset;
1391	undef $guard;	1478	undef $guard;
1392	$map = find $path	1479	return find $path;
1393	or return;
1394	}	1480	}
1395		1481
1396	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1397	}	1483	}
1398	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1399		1488
1400	sub load {	1489	sub load {
1401	my ($self) = @_;	1490	my ($self) = @_;
1402		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1403	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1405		1498
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1500
1408	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1409		1502
1410	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1411	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1509	or return;
1413		1510
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1512	if delete $self->{load_original};
1416		1513
1417	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1515	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1517	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1422	}	1519	}
1423	}	1520	}
1424		1521
1425	Coro::cede;	1522	Coro::cede;
1426
1427	# now do the right thing for maps	1523	# now do the right thing for maps
1428	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1439	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;
1440	$self->activate;	1536	$self->activate;
1441	}	1537	}
1442		1538
1443	Coro::cede;
1444
1445	$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	$self
1446	}	1552	}
1447		1553
1448	# find and load all maps in the 3x3 area around a map	1554	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1555	sub load_diag {
1450	my ($map) = @_;	1556	my ($map) = @_;
…		…
1480		1586
1481	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1482	}	1588	}
1483		1589
1484	our %MAP_PREFETCH;	1590	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1591	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1592
1500	sub find_async {	1593	sub find_async {
1501	my ($path, $origin) = @_;	1594	my ($path, $origin) = @_;
1502		1595
1503	$path = new cf::path $path, $origin && $origin->path;	1596	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1597
1506	if (my $map = $cf::MAP{$key}) {	1598	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1600	}
1509		1601
1510	$MAP_PREFETCH{$key} = $path;	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	};
1511	$MAP_PREFETCHER->ready;	1615	$MAP_PREFETCHER->prio (6);
1512		1616
1513	()	1617	()
1514	}	1618	}
1515		1619
1516	sub save {	1620	sub save {
…		…
1520		1624
1521	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1522		1626
1523	return unless $self->dirty;	1627	return unless $self->dirty;
1524		1628
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1631
1528	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1529		1633
1530	return if $self->{deny_save};	1634	return if $self->{deny_save};
1531		1635
…		…
1534	cf::async {	1638	cf::async {
1535	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1536	};	1640	};
1537		1641
1538	if ($uniq) {	1642	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1645	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1647	}
1544	}	1648	}
1545		1649
1546	sub swap_out {	1650	sub swap_out {
1547	my ($self) = @_;	1651	my ($self) = @_;
…		…
1561		1665
1562	sub reset_at {	1666	sub reset_at {
1563	my ($self) = @_;	1667	my ($self) = @_;
1564		1668
1565	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1568		1672
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1675
…		…
1576	my ($self) = @_;	1680	my ($self) = @_;
1577		1681
1578	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1579	}	1683	}
1580		1684
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1685	sub reset {
1603	my ($self) = @_;	1686	my ($self) = @_;
1604		1687
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1689
1607	return if $self->players;	1690	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1609		1692
1610	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1611		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
1612	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1613		1708
1614	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1615		1710
1616	$self->unlink_save;	1711	$self->unlink_save;
1617	$self->destroy;	1712	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1621		1716
1622	sub nuke {	1717	sub nuke {
1623	my ($self) = @_;	1718	my ($self) = @_;
1624		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1628	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1629	}	1733	}
1630		1734
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1735	=item cf::map::unique_maps
1642		1736
1643	Returns an arrayref of cf::path's of all shared maps that have	1737	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1738	instantiated unique items. May block.
1645		1739
1646	=cut	1740	=cut
1647		1741
1648	sub unique_maps() {	1742	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1743	my $files = aio_readdir $UNIQUEDIR
1650	or return;	1744	or return;
1651		1745
1652	my @paths;	1746	my @paths;
1653		1747
1654	for (@$files) {	1748	for (@$files) {
1655	utf8::decode $_;	1749	utf8::decode $_;
1656	next if /\.pst$/;	1750	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1751	next unless /^$PATH_SEP/o;
1658		1752
1659	push @paths, new cf::path $_;	1753	push @paths, cf::map::normalise $_;
1660	}	1754	}
1661		1755
1662	\@paths	1756	\@paths
1663	}	1757	}
1664		1758
…		…
1739		1833
1740	=item $player_object->enter_link	1834	=item $player_object->enter_link
1741		1835
1742	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}>).
1743		1837
1744	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
1745	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1746		1840
		1841	Will never block.
		1842
1747	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1748		1844
1749	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1848	fails, to the emergency map position.
1753		1849
1754	Might block.	1850	Might block.
1755		1851
1756	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($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	$LINK_MAP
		1862	}
1757		1863
1758	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1865	my ($self) = @_;
1760		1866
1761	$self->deactivate_recursive;	1867	$self->deactivate_recursive;
1762		1868
1763	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1870
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1872	if $self->map;
1767		1873
1768	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1875	}
1770		1876
1771	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1773		1879
…		…
1795	$map->load;	1901	$map->load;
1796	$map->load_diag;	1902	$map->load_diag;
1797		1903
1798	return unless $self->contr->active;	1904	return unless $self->contr->active;
1799	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1801	}	1909	}
1802		1910
1803	cf::player->attach (	1911	cf::player->attach (
1804	on_logout => sub {	1912	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1926	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1821	(async {	1929	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1930	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1826	. "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.",
1827	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
1828	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1830	})->prio (2);	1938	})->prio (2);
1831	}	1939	}
1832	},	1940	},
…		…
1837	=cut	1945	=cut
1838		1946
1839	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1841		1949
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1950	$self->enter_link;
1845		1951
1846	(async {	1952	(async {
		1953	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1849		1956	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1851	# if $map;
1852
1853	$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);
1854		1959
1855	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1961	})->prio (1);
1857	}	1962	}
1858		1963
…		…
1862		1967
1863	sub parse_random_map_params {	1968	sub parse_random_map_params {
1864	my ($spec) = @_;	1969	my ($spec) = @_;
1865		1970
1866	my $rmp = { # defaults	1971	my $rmp = { # defaults
1867	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1869	};	1976	};
1870		1977
1871	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1873		1980
…		…
1877	$rmp	1984	$rmp
1878	}	1985	}
1879		1986
1880	sub prepare_random_map {	1987	sub prepare_random_map {
1881	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1991
1883	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1994	# that depends on the exit object
1886		1995
1887	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1888		1997
1889	if ($exit->map) {	1998	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1894	}	2003	}
1895		2004
1896	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1897		2006
1898	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1900		2010
1901	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) {
1902	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;
1903		2015
1904	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2017	$exit->msg (undef);
1906	}	2018	}
1907	}	2019	}
1908		2020
1909	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1911		2023
1912	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;
1913		2036
1914	$self->enter_link;	2037	$self->enter_link;
1915		2038
1916	(async {	2039	(async {
1917	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2041	unless (eval {
1919	prepare_random_map $exit	2042	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2043
1925	1;	2044	1;
1926	}) {	2045	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
1929	. "Please report this to the dungeon master!",	2048	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2050
1932	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2052	$self->leave_link;
1934	}	2053	}
1935	})->prio (1);	2054	})->prio (1);
…		…
1948		2067
1949	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1951		2070
1952	utf8::encode $text;	2071	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2073	}
1955		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	}
1956		2087
1957	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1958		2089
1959	Queues a query to the client, calling the given callback with	2090	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2120	# get handled first
1990	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1991	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
1992		2123
1993	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2126
1995	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1996		2128
1997	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2130	if (@$queue) {
…		…
2056		2188
2057	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
2058		2190
2059	=pod	2191	=pod
2060		2192
2061	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
2062		2194
2063	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2196	cf::object::player player
2065	cf::player peaceful	2197	cf::player peaceful
2066	cf::map trigger	2198	cf::map trigger
…		…
2151	#############################################################################	2283	#############################################################################
2152		2284
2153	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2154		2286
2155	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2156	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157	excludes objects.	2289	convert to/from binary).
2158		2290
2159	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
2160	using it, it should be unique.	2292	using it, it should be unique.
2161		2293
2162	=over 4	2294	=over 4
2163		2295
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2296	=item $value = cf::db_get $family => $key
2171		2297
2172	Returns a single value from the database	2298	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2299
2179	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2180		2301
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2303
2192	=cut	2304	=cut
2193		2305
2194	our $DB;	2306	our $DB;
2195		2307
2196	{	2308	sub db_init {
2197	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2198		2311
2199	sub db_load() {	2312	cf::sync_job {
2200	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2201	}	2314	$DB->set_flags (BDB::CHKSUM);
2202		2315
2203	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2206	waitpid $pid, 0 if $pid;	2319	};
2207	if (0 == ($pid = fork)) {	2320	cf::cleanup "db_open(db): $@" if $@;
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2321	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2322	}
		2323	}
2225		2324
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2325	sub db_get($$) {
2232	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2237	sub db_put($$;$) {	2336	sub db_put($$$) {
2238	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240	} else {	2339	}
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		2340
2246	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2247	prio => 10000,	2342
2248	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2249	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($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 "$src->[$_]: $!";
2250	},	2373	}
2251	);	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"
2252	}	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
2253		2456
2254	#############################################################################	2457	#############################################################################
2255	# 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	}
2256		2546
2257	sub cfg_load {	2547	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2548	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2549	or return;
2260		2550
2261	local $/;	2551	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2552	*CFG = YAML::Syck::Load <$fh>;
2263		2553
…		…
2277		2567
2278	sub main {	2568	sub main {
2279	# we must not ever block the main coroutine	2569	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2570	local $Coro::idle = sub {
2281	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 {
2282	async { Event::one_event };	2573	Event::one_event;
		2574	})->prio (Coro::PRIO_MAX);
2283	};	2575	};
2284		2576
2285	cfg_load;	2577	cfg_load;
2286	db_load;	2578	db_init;
2287	load_extensions;	2579	load_extensions;
		2580
		2581	$TICK_WATCHER->start;
2288	Event::loop;	2582	Event::loop;
2289	}	2583	}
2290		2584
2291	#############################################################################	2585	#############################################################################
2292	# initialisation and cleanup	2586	# initialisation and cleanup
2293		2587
2294	# install some emergency cleanup handlers	2588	# install some emergency cleanup handlers
2295	BEGIN {	2589	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2590	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2591	Event->signal (
		2592	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2299	signal => $signal,	2594	signal => $signal,
		2595	prio => 0,
2300	cb => sub {	2596	cb => sub {
2301	cf::cleanup "SIG$signal";	2597	cf::cleanup "SIG$signal";
2302	},	2598	},
2303	);	2599	);
2304	}	2600	}
2305	}	2601	}
…		…
2310	warn "enter emergency perl save\n";	2606	warn "enter emergency perl save\n";
2311		2607
2312	cf::sync_job {	2608	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2609	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2610	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2611	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2612	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2613	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2614	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2615	$pl->valid or next;
2320	$pl->save;	2616	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2622	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2623	$map->valid or next;
2328	$map->save;	2624	$map->save;
2329	}	2625	}
2330	warn "end emergency map save\n";	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";
2331	};	2631	};
2332		2632
2333	warn "leave emergency perl save\n";	2633	warn "leave emergency perl save\n";
2334	}	2634	}
2335		2635
		2636	sub post_cleanup {
		2637	my ($make_core) = @_;
		2638
		2639	warn Carp::longmess "post_cleanup backtrace"
		2640	if $make_core;
		2641	}
		2642
2336	sub reload() {	2643	sub do_reload_perl() {
2337	# can/must only be called in main	2644	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2645	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2646	warn "can only reload from main coroutine";
2340	return;	2647	return;
2341	}	2648	}
2342		2649
2343	warn "reloading...";	2650	warn "reloading...";
2344		2651
2345	my $guard = freeze_mainloop;	2652	warn "entering sync_job";
		2653
		2654	cf::sync_job {
		2655	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2656	cf::emergency_save;
		2657	cf::write_runtime; # external watchdog should not bark
2347		2658
2348	eval {	2659	warn "syncing database to disk";
		2660	BDB::db_env_txn_checkpoint $DB_ENV;
		2661
2349	# 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
2350		2663
2351	# cancel all watchers	2664	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2665	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2667	}
2355		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
2356	# cancel all extension coros	2680	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2681	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2682	%EXT_CORO = ();
2359		2683
2360	# unload all extensions	2684	warn "removing commands";
2361	for (@exts) {	2685	%COMMAND = ();
		2686
		2687	warn "removing ext commands";
		2688	%EXTCMD = ();
		2689
		2690	warn "unloading/nuking all extensions";
		2691	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2692	warn "... unloading $pkg";
2363	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: $@";
2364	}	2699	}
2365		2700
		2701	warn "... nuking $pkg";
		2702	Symbol::delete_package $pkg;
		2703	}
		2704
2366	# unload all modules loaded from $LIBDIR	2705	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2706	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2708
2370	warn "removing <$k>";	2709	warn "... unloading $k";
2371	delete $INC{$k};	2710	delete $INC{$k};
2372		2711
2373	$k =~ s/\.pm$//;	2712	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2713	$k =~ s/\//::/g;
2375		2714
…		…
2378	}	2717	}
2379		2718
2380	Symbol::delete_package $k;	2719	Symbol::delete_package $k;
2381	}	2720	}
2382		2721
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2722	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2723	Symbol::delete_package "safe::$_"
2389	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);
2390		2725
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2726	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2727	delete $INC{"cf.pm"};
		2728	delete $INC{"cf/pod.pm"};
2396		2729
2397	# don't, removes xs symbols, too,	2730	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2731	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2732	#Symbol::delete_package __PACKAGE__;
2400		2733
2401	# reload cf.pm	2734	warn "unload completed, starting to reload now";
		2735
2402	warn "reloading cf.pm";	2736	warn "reloading cf.pm";
2403	require cf;	2737	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2739
2406	# load config and database again	2740	warn "loading config and database again";
2407	cf::cfg_load;	2741	cf::cfg_load;
2408	cf::db_load;
2409		2742
2410	# load extensions
2411	warn "load extensions";	2743	warn "loading extensions";
2412	cf::load_extensions;	2744	cf::load_extensions;
2413		2745
2414	# reattach attachments to objects	2746	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2747	_global_reattach; # objects, sockets
2416	_global_reattach;	2748	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2749	reattach $_ for values %MAP;
2418	};	2750	warn "reattaching attachments to players";
		2751	reattach $_ for values %PLAYER;
2419		2752
2420	if ($@) {	2753	warn "leaving sync_job";
		2754
		2755	1
		2756	} or do {
2421	warn $@;	2757	warn $@;
2422	warn "error while reloading, exiting.";	2758	warn "error while reloading, exiting.";
2423	exit 1;	2759	exit 1;
2424	}	2760	};
2425		2761
2426	warn "reloaded successfully";	2762	warn "reloaded";
2427	};	2763	};
2428		2764
2429	#############################################################################	2765	our $RELOAD_WATCHER; # used only during reload
2430		2766
2431	unless ($LINK_MAP) {	2767	sub reload_perl() {
2432	$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.
2433		2770
2434	$LINK_MAP->width (41);	2771	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2772	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2773	after => 0,
		2774	data => WF_AUTOCANCEL,
2444	cb => sub {	2775	cb => sub {
2445	$_[0]->w->cancel;	2776	do_reload_perl;
2446		2777	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2778	},
2465		2779	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2780	}
2471
2472	register "<global>", __PACKAGE__;
2473		2781
2474	register_command "reload" => sub {	2782	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2783	my ($who, $arg) = @_;
2476		2784
2477	if ($who->flag (FLAG_WIZ)) {	2785	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2786	$who->message ("reloading server.");
		2787	async { reload_perl };
2481	}	2788	}
2482	};	2789	};
2483		2790
2484	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	}
2485		2815
2486	$TICK_WATCHER = Event->timer (	2816	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2817	reentrant => 0,
		2818	parked => 1,
2488	prio => 0,	2819	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2820	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2821	data => WF_AUTOCANCEL,
2491	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
2492	cf::server_tick; # one server iteration	2831	cf::server_tick; # one server iteration
		2832
2493	$RUNTIME += $TICK;	2833	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2834	$NEXT_TICK += $TICK;
2495		2835
2496	$WAIT_FOR_TICK->broadcast;	2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	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#
2498		2846
2499	# 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
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2849
2502	$TICK_WATCHER->at ($NEXT_TICK);	2850	$TICK_WATCHER->at ($NEXT_TICK);
2503	$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;
2504	},	2861	},
2505	);	2862	);
2506		2863
		2864	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2865	BDB::max_poll_time $TICK * 0.1;
2508		2866	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2867	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2868	fd => BDB::poll_fileno,
2511	poll => 'r',	2869	poll => 'r',
2512	prio => 5,	2870	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2871	data => WF_AUTOCANCEL,
2519	after => 0,	2872	cb => \&BDB::poll_cb,
2520	interval => 10,	2873	);
2521	cb => sub {	2874	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2875
2523	write_runtime	2876	BDB::set_sync_prepare {
2524	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 $@;
2525	})->();	2910	};
2526	},	2911	}
2527	);	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;
2528		2969
2529	END { cf::emergency_save }	2970	END { cf::emergency_save }
2530		2971
2531	1	2972	1
2532		2973

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