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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
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	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		413
490	#############################################################################	414	#############################################################################
491		415
492	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
493		417
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	544	our @CB_MAP = ();
621		545
622	my %attachment;	546	my %attachment;
623		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
624	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
626		556
627	use sort 'stable';	557	use sort 'stable';
628		558
…		…
799	# object support	729	# object support
800		730
801	sub reattach {	731	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		736
805	my $registry = $obj->registry;	737	my $registry = $obj->registry;
806		738
807	@$registry = ();	739	@$registry = ();
808		740
…		…
855	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
856		788
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	793	close $fh;
862		794
863	if (@$objs) {	795	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	801	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
871	}	803	}
872	} else {	804	} else {
873	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
940	=cut	872	=cut
941		873
942	sub register_extcmd {	874	sub register_extcmd {
943	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
944		876
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
949	}	878	}
950		879
951	cf::player->attach (	880	cf::player->attach (
952	on_command => sub {	881	on_command => sub {
953	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
966		895
967	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
968		897
969	if (ref $msg) {	898	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	902	}
974	}	903	}
975	} else {	904	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		907
979	cf::override;	908	cf::override;
980	},	909	},
981	);	910	);
982		911
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	912	sub load_extension {
990	my ($path) = @_;	913	my ($path) = @_;
991		914
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	916	my $base = $1;
994	my $pkg = $1;	917	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
997		920
998	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
999		922
1000	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	924	or die "$path: $!";
1002		925
1003	my $source =	926	my $source =
1004	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
1007	. "\n};\n1";	930	. "\n};\n1";
1008		931
1009	eval $source	932	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	934	: "extension disabled.\n";
1012		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	936	warn $@;
1014	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
1015		938	exit 1;
1016	# no strict 'refs';	939	}
1017	# @{"$pkg\::ISA"} = ext::;	940	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	941	}
1032		942
1033	# remove commands	943	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	944	}
1058		945
1059	sub load_extensions {	946	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	948	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1066	}	953	}
1067	}	954	}
1068		955
1069	#############################################################################	956	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		957
1085	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1086		959
1087	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1088		961
…		…
1101	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1102		975
1103	=cut	976	=cut
1104		977
1105	sub playerdir($) {	978	sub playerdir($) {
1106	cf::localdir	979	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	981	}
1112		982
1113	sub path($) {	983	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		985
1116	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1117	}	987	}
1118		988
1119	sub find_active($) {	989	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1124		994
1125	sub exists($) {	995	sub exists($) {
1126	my ($login) = @_;	996	my ($login) = @_;
1127		997
1128	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1130	}	1000	}
1131		1001
1132	sub find($) {	1002	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1004	my $login = $_[0];
1135		1005
1136	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1137		1007
1138	$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
1139	my $pl = load_pl path $login	1016	my $pl = load_pl path $login
1140	or return;	1017	or return;
1141	$cf::PLAYER{$login} = $pl	1018	$cf::PLAYER{$login} = $pl
1142	}	1019	}
1143	}	1020	}
…		…
1180		1057
1181	=cut	1058	=cut
1182		1059
1183	sub quit_character {	1060	sub quit_character {
1184	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1185		1064
1186	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1187	$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
1188		1067
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1075	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1099	}
1201		1100
1202	=item cf::player::list_logins	1101	=item cf::player::list_logins
1203		1102
1204	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
1205	while and may block, so not sync_job-capable, ever.	1104	while and may block, so not sync_job-capable, ever.
1206		1105
1207	=cut	1106	=cut
1208		1107
1209	sub list_logins {	1108	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1109	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1110	or return [];
1212		1111
1213	my @logins;	1112	my @logins;
1214		1113
1215	for my $login (@$dirs) {	1114	for my $login (@$dirs) {
…		…
1224	\@logins	1123	\@logins
1225	}	1124	}
1226		1125
1227	=item $player->maps	1126	=item $player->maps
1228		1127
1229	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
1230	player. May block.	1129	player. May block.
1231		1130
1232	=cut	1131	=cut
1233		1132
1234	sub maps($) {	1133	sub maps($) {
1235	my ($pl) = @_;	1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1137
1237	my $files = aio_readdir playerdir $pl	1138	my $files = aio_readdir playerdir $pl
1238	or return;	1139	or return;
1239		1140
1240	my @paths;	1141	my @paths;
1241		1142
1242	for (@$files) {	1143	for (@$files) {
1243	utf8::decode $_;	1144	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1145	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1146	next unless /^$PATH_SEP/o;
1246		1147
1247	s/$PATH_SEP/\//g;	1148	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1149	}
1250		1150
1251	\@paths	1151	\@paths
1252	}	1152	}
1253		1153
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1255		1155
1256	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1257		1157
1258	=cut	1158	=cut
1259		1159
1260	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1262		1162
1263	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1264		1164
1265	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1266	}	1166	}
1267		1167
1268	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1269		1208
1270	=back	1209	=back
1271
1272		1210
1273	=head3 cf::map	1211	=head3 cf::map
1274		1212
1275	=over 4	1213	=over 4
1276		1214
…		…
1279	package cf::map;	1217	package cf::map;
1280		1218
1281	use Fcntl;	1219	use Fcntl;
1282	use Coro::AIO;	1220	use Coro::AIO;
1283		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1284	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1286		1228
1287	sub generate_random_map {	1229	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1232	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$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},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(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"
1304	}	1374	}
1305		1375
1306	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1307	# all maps in C++...	1377	# all maps in C++...
1308	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1310		1380
1311	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1313	}	1383	}
1314		1384
		1385	sub unlink_save {
		1386	my ($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
1315	sub try_load_header($) {	1393	sub load_header_from($) {
1316	my ($path) = @_;	1394	my ($self, $path) = @_;
1317		1395
1318	utf8::encode $path;	1396	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1320	or return;	1401	or return;
1321		1402
1322	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
1323	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1324		1449
1325	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1451	unless $self->default_region;
1327		1452
1328	$map->load_header ($path)	1453	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1454	}
1335		1455
1336	sub find;	1456	sub find;
1337	sub find {	1457	sub find {
1338	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1339		1459
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1461
1345	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1346		1463
1347	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1349		1466	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1467	or return;
1369		1468
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1382		1470
1383	Coro::cede;	1471	$map->load_header
		1472	or return;
1384		1473
1385	if ($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;
1386	$map->reset;	1477	$map->reset;
1387	undef $guard;	1478	undef $guard;
1388	$map = find $path	1479	return find $path;
1389	or return;
1390	}	1480	}
1391		1481
1392	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1393	}	1483	}
1394	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1395		1488
1396	sub load {	1489	sub load {
1397	my ($self) = @_;	1490	my ($self) = @_;
1398		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1399	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1401		1498
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1500
1404	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1405		1502
1406	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1407	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1509	or return;
1409		1510
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1512	if delete $self->{load_original};
1412		1513
1413	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1515	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1517	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1418	}	1519	}
1419	}	1520	}
1420		1521
1421	Coro::cede;	1522	Coro::cede;
1422
1423	# now do the right thing for maps	1523	# now do the right thing for maps
1424	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1435	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;
1436	$self->activate;	1536	$self->activate;
1437	}	1537	}
1438		1538
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540
		1541	undef $guard;
		1542	}
		1543
		1544	$self->post_load;
		1545	}
		1546
		1547	sub customise_for {
		1548	my ($self, $ob) = @_;
		1549
		1550	return find "~" . $ob->name . "/" . $self->{path}
		1551	if $self->per_player;
		1552
		1553	$self
		1554	}
		1555
		1556	# find and load all maps in the 3x3 area around a map
		1557	sub load_diag {
		1558	my ($map) = @_;
		1559
		1560	my @diag; # diagonal neighbours
		1561
		1562	for (0 .. 3) {
		1563	my $neigh = $map->tile_path ($_)
		1564	or next;
		1565	$neigh = find $neigh, $map
		1566	or next;
		1567	$neigh->load;
		1568
		1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1571	}
		1572
		1573	for (@diag) {
		1574	my $neigh = find @$_
		1575	or next;
		1576	$neigh->load;
		1577	}
1442	}	1578	}
1443		1579
1444	sub find_sync {	1580	sub find_sync {
1445	my ($path, $origin) = @_;	1581	my ($path, $origin) = @_;
1446		1582
1447	cf::sync_job { cf::map::find $path, $origin }	1583	cf::sync_job { find $path, $origin }
1448	}	1584	}
1449		1585
1450	sub do_load_sync {	1586	sub do_load_sync {
1451	my ($map) = @_;	1587	my ($map) = @_;
1452		1588
1453	cf::sync_job { $map->load };	1589	cf::sync_job { $map->load };
1454	}	1590	}
1455		1591
		1592	our %MAP_PREFETCH;
		1593	our $MAP_PREFETCHER = undef;
		1594
		1595	sub find_async {
		1596	my ($path, $origin) = @_;
		1597
		1598	$path = normalise $path, $origin && $origin->{path};
		1599
		1600	if (my $map = $cf::MAP{$path}) {
		1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1602	}
		1603
		1604	undef $MAP_PREFETCH{$path};
		1605	$MAP_PREFETCHER ||= cf::async {
		1606	while (%MAP_PREFETCH) {
		1607	for my $path (keys %MAP_PREFETCH) {
		1608	my $map = find $path
		1609	or next;
		1610	$map->load;
		1611
		1612	delete $MAP_PREFETCH{$path};
		1613	}
		1614	}
		1615	undef $MAP_PREFETCHER;
		1616	};
		1617	$MAP_PREFETCHER->prio (6);
		1618
		1619	()
		1620	}
		1621
1456	sub save {	1622	sub save {
1457	my ($self) = @_;	1623	my ($self) = @_;
1458		1624
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1626
1461	$self->{last_save} = $cf::RUNTIME;	1627	$self->{last_save} = $cf::RUNTIME;
1462		1628
1463	return unless $self->dirty;	1629	return unless $self->dirty;
1464		1630
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1631	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1632	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1633
1468	$self->{load_path} = $save;	1634	$self->{load_path} = $save;
1469		1635
1470	return if $self->{deny_save};	1636	return if $self->{deny_save};
1471		1637
…		…
1474	cf::async {	1640	cf::async {
1475	$_->contr->save for $self->players;	1641	$_->contr->save for $self->players;
1476	};	1642	};
1477		1643
1478	if ($uniq) {	1644	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1647	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1648	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1649	}
1484	}	1650	}
1485		1651
1486	sub swap_out {	1652	sub swap_out {
1487	my ($self) = @_;	1653	my ($self) = @_;
…		…
1501		1667
1502	sub reset_at {	1668	sub reset_at {
1503	my ($self) = @_;	1669	my ($self) = @_;
1504		1670
1505	# TODO: safety, remove and allow resettable per-player maps	1671	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1673	return 1e99 if $self->{deny_reset};
1508		1674
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1676	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1677
…		…
1516	my ($self) = @_;	1682	my ($self) = @_;
1517		1683
1518	$self->reset_at <= $cf::RUNTIME	1684	$self->reset_at <= $cf::RUNTIME
1519	}	1685	}
1520		1686
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1687	sub reset {
1543	my ($self) = @_;	1688	my ($self) = @_;
1544		1689
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1690	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1691
1547	return if $self->players;	1692	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1693	return if $self->isa ("ext::map_per_player");#d#
1549		1694
1550	warn "resetting map ", $self->path;#d#	1695	warn "resetting map ", $self->path;#d#
1551		1696
		1697	$self->in_memory (cf::MAP_SWAPPED);
		1698
		1699	# need to save uniques path
		1700	unless ($self->{deny_save}) {
		1701	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1702
		1703	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1704	if $uniq;
		1705	}
		1706
1552	delete $cf::MAP{$self->path};	1707	delete $cf::MAP{$self->path};
		1708
		1709	$self->clear;
1553		1710
1554	$_->clear_links_to ($self) for values %cf::MAP;	1711	$_->clear_links_to ($self) for values %cf::MAP;
1555		1712
1556	$self->unlink_save;	1713	$self->unlink_save;
1557	$self->destroy;	1714	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1717	my $nuke_counter = "aaaa";
1561		1718
1562	sub nuke {	1719	sub nuke {
1563	my ($self) = @_;	1720	my ($self) = @_;
1564		1721
		1722	delete $cf::MAP{$self->path};
		1723
		1724	$self->unlink_save;
		1725
		1726	bless $self, "cf::map";
		1727	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1728	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1729	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1731
		1732	$cf::MAP{$self->path} = $self;
		1733
1568	$self->reset; # polite request, might not happen	1734	$self->reset; # polite request, might not happen
1569	}	1735	}
1570		1736
1571	sub customise_for {	1737	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1738
1574	if ($map->per_player) {	1739	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1740	instantiated unique items. May block.
1576	}
1577		1741
1578	$map	1742	=cut
		1743
		1744	sub unique_maps() {
		1745	my $files = aio_readdir $UNIQUEDIR
		1746	or return;
		1747
		1748	my @paths;
		1749
		1750	for (@$files) {
		1751	utf8::decode $_;
		1752	next if /\.pst$/;
		1753	next unless /^$PATH_SEP/o;
		1754
		1755	push @paths, cf::map::normalise $_;
		1756	}
		1757
		1758	\@paths
1579	}	1759	}
1580		1760
1581	package cf;	1761	package cf;
1582		1762
1583	=back	1763	=back
…		…
1655		1835
1656	=item $player_object->enter_link	1836	=item $player_object->enter_link
1657		1837
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1838	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1839
1660	The player should be reaosnably safe there for short amounts of time. You	1840	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1841	I<MUST> call C<leave_link> as soon as possible, though.
1662		1842
		1843	Will never block.
		1844
1663	=item $player_object->leave_link ($map, $x, $y)	1845	=item $player_object->leave_link ($map, $x, $y)
1664		1846
1665	Moves the player out of the specila link map onto the given map. If the	1847	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1848	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1849	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1850	fails, to the emergency map position.
1669		1851
1670	Might block.	1852	Might block.
1671		1853
1672	=cut	1854	=cut
		1855
		1856	sub link_map {
		1857	unless ($LINK_MAP) {
		1858	$LINK_MAP = cf::map::find "{link}"
		1859	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1860	$LINK_MAP->load;
		1861	}
		1862
		1863	$LINK_MAP
		1864	}
1673		1865
1674	sub cf::object::player::enter_link {	1866	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1867	my ($self) = @_;
1676		1868
1677	$self->deactivate_recursive;	1869	$self->deactivate_recursive;
1678		1870
1679	return if $self->map == $LINK_MAP;	1871	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1872
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1874	if $self->map;
1683		1875
1684	$self->enter_map ($LINK_MAP, 20, 20);	1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1877	}
1686		1878
1687	sub cf::object::player::leave_link {	1879	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1880	my ($self, $map, $x, $y) = @_;
1689		1881
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1899	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1900	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1901	if $x <=0 && $y <= 0;
1710		1902
1711	$map->load;	1903	$map->load;
		1904	$map->load_diag;
1712		1905
1713	return unless $self->contr->active;	1906	return unless $self->contr->active;
1714	$self->activate_recursive;	1907	$self->activate_recursive;
		1908
		1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1910	$self->enter_map ($map, $x, $y);
1716	}	1911	}
1717		1912
1718	cf::player->attach (	1913	cf::player->attach (
1719	on_logout => sub {	1914	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1927	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1928	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1929	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1930	$pl->ob->enter_link;
1736	(async {	1931	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1932	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1933	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1934	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1935	cf::NDI_RED);
		1936	# we need this sleep as the login has a concurrent enter_exit running
		1937	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1938	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1939	$pl->ob->leave_link;
1745	})->prio (2);	1940	})->prio (2);
1746	}	1941	}
1747	},	1942	},
…		…
1752	=cut	1947	=cut
1753		1948
1754	sub cf::object::player::goto {	1949	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1950	my ($self, $path, $x, $y) = @_;
1756		1951
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1952	$self->enter_link;
1761		1953
1762	(async {	1954	(async {
		1955	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1956	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1957	$map = $map->customise_for ($self) if $map;
1765		1958	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1959	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1961
1771	$self->leave_link ($map, $x, $y);	1962	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1963	})->prio (1);
1773	}	1964	}
1774		1965
…		…
1778		1969
1779	sub parse_random_map_params {	1970	sub parse_random_map_params {
1780	my ($spec) = @_;	1971	my ($spec) = @_;
1781		1972
1782	my $rmp = { # defaults	1973	my $rmp = { # defaults
1783	xsize => 10,	1974	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1975	ysize => (cf::rndm 15, 40),
		1976	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1977	#layout => string,
1785	};	1978	};
1786		1979
1787	for (split /\n/, $spec) {	1980	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1981	my ($k, $v) = split /\s+/, $_, 2;
1789		1982
…		…
1793	$rmp	1986	$rmp
1794	}	1987	}
1795		1988
1796	sub prepare_random_map {	1989	sub prepare_random_map {
1797	my ($exit) = @_;	1990	my ($exit) = @_;
		1991
		1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1993
1799	# all this does is basically replace the /! path by	1994	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1995	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1996	# that depends on the exit object
1802		1997
1803	my $rmp = parse_random_map_params $exit->msg;	1998	my $rmp = parse_random_map_params $exit->msg;
1804		1999
1805	if ($exit->map) {	2000	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2001	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2002	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2003	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2004	$rmp->{origin_y} = $exit->y;
1810	}	2005	}
1811		2006
1812	$rmp->{random_seed} ||= $exit->random_seed;	2007	$rmp->{random_seed} ||= $exit->random_seed;
1813		2008
1814	my $data = cf::to_json $rmp;	2009	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2010	my $md5 = Digest::MD5::md5_hex $data;
		2011	my $meta = "$RANDOMDIR/$md5.meta";
1816		2012
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2014	aio_write $fh, 0, (length $data), $data, 0;
		2015	undef $fh;
		2016	aio_rename "$meta~", $meta;
1819		2017
1820	$exit->slaying ("?random/$md5");	2018	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2019	$exit->msg (undef);
1822	}	2020	}
1823	}	2021	}
1824		2022
1825	sub cf::object::player::enter_exit {	2023	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2024	my ($self, $exit) = @_;
1827		2025
1828	return unless $self->type == cf::PLAYER;	2026	return unless $self->type == cf::PLAYER;
		2027
		2028	if ($exit->slaying eq "/!") {
		2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2030	# the problem is that $exit might not survive long enough
		2031	# so it needs to be done right now, right here
		2032	cf::sync_job { prepare_random_map $exit };
		2033	}
		2034
		2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2036	my $hp = $exit->stats->hp;
		2037	my $sp = $exit->stats->sp;
1829		2038
1830	$self->enter_link;	2039	$self->enter_link;
1831		2040
1832	(async {	2041	(async {
1833	$self->deactivate_recursive; # just to be sure	2042	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2043	unless (eval {
1835	prepare_random_map $exit	2044	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2045
1841	1;	2046	1;
1842	}) {	2047	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2048	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2049	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2050	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2051	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2052
1848	warn "ERROR in enter_exit: $@";	2053	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2054	$self->leave_link;
1850	}	2055	}
1851	})->prio (1);	2056	})->prio (1);
…		…
1864		2069
1865	sub cf::client::send_drawinfo {	2070	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2071	my ($self, $text, $flags) = @_;
1867		2072
1868	utf8::encode $text;	2073	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2075	}
1871		2076
		2077	=item $client->ext_event ($type, %msg)
		2078
		2079	Sends an exti event to the client.
		2080
		2081	=cut
		2082
		2083	sub cf::client::ext_event($$%) {
		2084	my ($self, $type, %msg) = @_;
		2085
		2086	$msg{msgtype} = "event_$type";
		2087	$self->send_packet ("ext " . cf::to_json \%msg);
		2088	}
1872		2089
1873	=item $success = $client->query ($flags, "text", \&cb)	2090	=item $success = $client->query ($flags, "text", \&cb)
1874		2091
1875	Queues a query to the client, calling the given callback with	2092	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2093	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2122	# get handled first
1906	my $queue = delete $ns->{query_queue}	2123	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2125
1909	(shift @$queue)->[1]->($msg);	2126	(shift @$queue)->[1]->($msg);
		2127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2128
1911	push @{ $ns->{query_queue} }, @$queue;	2129	push @{ $ns->{query_queue} }, @$queue;
1912		2130
1913	if (@{ $ns->{query_queue} } == @$queue) {	2131	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2132	if (@$queue) {
…		…
1972		2190
1973	# here we export the classes and methods available to script code	2191	# here we export the classes and methods available to script code
1974		2192
1975	=pod	2193	=pod
1976		2194
1977	The following fucntions and emthods are available within a safe environment:	2195	The following functions and methods are available within a safe environment:
1978		2196
1979	cf::object contr pay_amount pay_player map	2197	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2198	cf::object::player player
1981	cf::player peaceful	2199	cf::player peaceful
1982	cf::map trigger	2200	cf::map trigger
…		…
2067	#############################################################################	2285	#############################################################################
2068		2286
2069	=head2 EXTENSION DATABASE SUPPORT	2287	=head2 EXTENSION DATABASE SUPPORT
2070		2288
2071	Crossfire maintains a very simple database for extension use. It can	2289	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2291	convert to/from binary).
2074		2292
2075	The parameter C<$family> should best start with the name of the extension	2293	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2294	using it, it should be unique.
2077		2295
2078	=over 4	2296	=over 4
2079		2297
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2298	=item $value = cf::db_get $family => $key
2087		2299
2088	Returns a single value from the database	2300	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2301
2095	=item cf::db_put $family => $key => $value	2302	=item cf::db_put $family => $key => $value
2096		2303
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2304	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2305
2108	=cut	2306	=cut
2109		2307
2110	our $DB;	2308	our $DB;
2111		2309
2112	{	2310	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2311	unless ($DB) {
		2312	$DB = BDB::db_create $DB_ENV;
2114		2313
2115	sub db_load() {	2314	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2315	eval {
2117	}	2316	$DB->set_flags (BDB::CHKSUM);
2118		2317
2119	my $pid;	2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2320	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2321	};
2123	if (0 == ($pid = fork)) {	2322	cf::cleanup "db_open(db): $@" if $@;
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2323	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2324	}
		2325	}
2141		2326
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2327	sub db_get($$) {
2148	@_ >= 2	2328	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2329
		2330	cf::sync_job {
		2331	BDB::db_get $DB, undef, $key, my $data;
		2332
		2333	$! ? ()
		2334	: $data
		2335	}
		2336	}
		2337
2153	sub db_put($$;$) {	2338	sub db_put($$$) {
2154	if (@_ >= 3) {	2339	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2341	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2342
2162	cf::global->attach (	2343	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2344
2164	on_cleanup => sub {	2345	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2346	caching and regenerating as required.
		2347
		2348	This function can block.
		2349
		2350	=cut
		2351
		2352	sub cache {
		2353	my ($id, $src, $processversion, $process) = @_;
		2354
		2355	my $meta =
		2356	join "\x00",
		2357	$processversion,
		2358	map {
		2359	aio_stat $_
		2360	and Carp::croak "$_: $!";
		2361
		2362	($_, (stat _)[7,9])
		2363	} @$src;
		2364
		2365	my $dbmeta = db_get cache => "$id/meta";
		2366	if ($dbmeta ne $meta) {
		2367	# changed, we may need to process
		2368
		2369	my @data;
		2370	my $md5;
		2371
		2372	for (0 .. $#$src) {
		2373	0 <= aio_load $src->[$_], $data[$_]
		2374	or Carp::croak "$src->[$_]: $!";
2166	},	2375	}
2167	);	2376
		2377	# if processing is expensive, check
		2378	# checksum first
		2379	if (1) {
		2380	$md5 =
		2381	join "\x00",
		2382	$processversion,
		2383	map {
		2384	Coro::cede;
		2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2386	} 0.. $#$src;
		2387
		2388
		2389	my $dbmd5 = db_get cache => "$id/md5";
		2390	if ($dbmd5 eq $md5) {
		2391	db_put cache => "$id/meta", $meta;
		2392
		2393	return db_get cache => "$id/data";
		2394	}
		2395	}
		2396
		2397	my $t1 = Time::HiRes::time;
		2398	my $data = $process->(\@data);
		2399	my $t2 = Time::HiRes::time;
		2400
		2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2402
		2403	db_put cache => "$id/data", $data;
		2404	db_put cache => "$id/md5" , $md5;
		2405	db_put cache => "$id/meta", $meta;
		2406
		2407	return $data;
		2408	}
		2409
		2410	db_get cache => "$id/data"
2168	}	2411	}
		2412
		2413	=item fork_call { }, $args
		2414
		2415	Executes the given code block with the given arguments in a seperate
		2416	process, returning the results. Everything must be serialisable with
		2417	Coro::Storable. May, of course, block. Note that the executed sub may
		2418	never block itself or use any form of Event handling.
		2419
		2420	=cut
		2421
		2422	sub fork_call(&@) {
		2423	my ($cb, @args) = @_;
		2424
		2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2426	# or die "socketpair: $!";
		2427	pipe my $fh1, my $fh2
		2428	or die "pipe: $!";
		2429
		2430	if (my $pid = fork) {
		2431	close $fh2;
		2432
		2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2434	$res = Coro::Storable::thaw $res;
		2435
		2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2437
		2438	die $$res unless "ARRAY" eq ref $res;
		2439
		2440	return wantarray ? @$res : $res->[-1];
		2441	} else {
		2442	local $SIG{__WARN__};
		2443	eval {
		2444	local $SIG{__DIE__};
		2445	close $fh1;
		2446
		2447	my @res = eval { $cb->(@args) };
		2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2449	};
		2450
		2451	warn $@ if $@;
		2452	_exit 0;
		2453	}
		2454	}
		2455
		2456
2169		2457
2170	#############################################################################	2458	#############################################################################
2171	# the server's main()	2459	# the server's init and main functions
		2460
		2461	sub load_facedata($) {
		2462	my ($path) = @_;
		2463
		2464	warn "loading facedata from $path\n";
		2465
		2466	my $facedata;
		2467	0 < aio_load $path, $facedata
		2468	or die "$path: $!";
		2469
		2470	$facedata = Coro::Storable::thaw $facedata;
		2471
		2472	$facedata->{version} == 2
		2473	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2474
		2475	{
		2476	my $faces = $facedata->{faceinfo};
		2477
		2478	while (my ($face, $info) = each %$faces) {
		2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2483	Coro::cede;
		2484	}
		2485
		2486	while (my ($face, $info) = each %$faces) {
		2487	next unless $info->{smooth};
		2488	my $idx = cf::face::find $face
		2489	or next;
		2490	if (my $smooth = cf::face::find $info->{smooth}) {
		2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2492	} else {
		2493	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2494	}
		2495	Coro::cede;
		2496	}
		2497	}
		2498
		2499	{
		2500	my $anims = $facedata->{animinfo};
		2501
		2502	while (my ($anim, $info) = each %$anims) {
		2503	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2504	Coro::cede;
		2505	}
		2506
		2507	cf::anim::invalidate_all; # d'oh
		2508	}
		2509
		2510	1
		2511	}
		2512
		2513	sub reload_regions {
		2514	load_resource_file "$MAPDIR/regions"
		2515	or die "unable to load regions file\n";
		2516	}
		2517
		2518	sub reload_facedata {
		2519	load_facedata "$DATADIR/facedata"
		2520	or die "unable to load facedata\n";
		2521	}
		2522
		2523	sub reload_archetypes {
		2524	load_resource_file "$DATADIR/archetypes"
		2525	or die "unable to load archetypes\n";
		2526	}
		2527
		2528	sub reload_treasures {
		2529	load_resource_file "$DATADIR/treasures"
		2530	or die "unable to load treasurelists\n";
		2531	}
		2532
		2533	sub reload_resources {
		2534	warn "reloading resource files...\n";
		2535
		2536	reload_regions;
		2537	reload_facedata;
		2538	reload_archetypes;
		2539	reload_treasures;
		2540
		2541	warn "finished reloading resource files\n";
		2542	}
		2543
		2544	sub init {
		2545	reload_resources;
		2546	}
2172		2547
2173	sub cfg_load {	2548	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2549	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2550	or return;
2176		2551
2177	local $/;	2552	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2553	*CFG = YAML::Syck::Load <$fh>;
2179		2554
…		…
2193		2568
2194	sub main {	2569	sub main {
2195	# we must not ever block the main coroutine	2570	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2571	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2573	(async {
2198	async { Event::one_event };	2574	Event::one_event;
		2575	})->prio (Coro::PRIO_MAX);
2199	};	2576	};
2200		2577
2201	cfg_load;	2578	cfg_load;
2202	db_load;	2579	db_init;
2203	load_extensions;	2580	load_extensions;
		2581
		2582	$TICK_WATCHER->start;
2204	Event::loop;	2583	Event::loop;
2205	}	2584	}
2206		2585
2207	#############################################################################	2586	#############################################################################
2208	# initialisation and cleanup	2587	# initialisation and cleanup
2209		2588
2210	# install some emergency cleanup handlers	2589	# install some emergency cleanup handlers
2211	BEGIN {	2590	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2591	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2592	Event->signal (
		2593	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2594	data => WF_AUTOCANCEL,
2215	signal => $signal,	2595	signal => $signal,
		2596	prio => 0,
2216	cb => sub {	2597	cb => sub {
2217	cf::cleanup "SIG$signal";	2598	cf::cleanup "SIG$signal";
2218	},	2599	},
2219	);	2600	);
2220	}	2601	}
2221	}	2602	}
2222		2603
2223	sub emergency_save {	2604	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2605	my $freeze_guard = cf::freeze_mainloop;
2225		2606
2226	warn "enter emergency perl save\n";	2607	warn "enter emergency perl save\n";
2227		2608
2228	cf::sync_job {	2609	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2610	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2611	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2612	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2613	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2614	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2615	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2616	$pl->valid or next;
2236	$pl->save;	2617	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2623	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2624	$map->valid or next;
2244	$map->save;	2625	$map->save;
2245	}	2626	}
2246	warn "end emergency map save\n";	2627	warn "end emergency map save\n";
		2628
		2629	warn "begin emergency database checkpoint\n";
		2630	BDB::db_env_txn_checkpoint $DB_ENV;
		2631	warn "end emergency database checkpoint\n";
2247	};	2632	};
2248		2633
2249	warn "leave emergency perl save\n";	2634	warn "leave emergency perl save\n";
2250	}	2635	}
2251		2636
		2637	sub post_cleanup {
		2638	my ($make_core) = @_;
		2639
		2640	warn Carp::longmess "post_cleanup backtrace"
		2641	if $make_core;
		2642	}
		2643
2252	sub reload() {	2644	sub do_reload_perl() {
2253	# can/must only be called in main	2645	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2646	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2647	warn "can only reload from main coroutine";
2256	return;	2648	return;
2257	}	2649	}
2258		2650
2259	warn "reloading...";	2651	warn "reloading...";
2260		2652
2261	my $guard = freeze_mainloop;	2653	warn "entering sync_job";
		2654
		2655	cf::sync_job {
		2656	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2657	cf::emergency_save;
		2658	cf::write_runtime; # external watchdog should not bark
2263		2659
2264	eval {	2660	warn "syncing database to disk";
		2661	BDB::db_env_txn_checkpoint $DB_ENV;
		2662
2265	# if anything goes wrong in here, we should simply crash as we already saved	2663	# if anything goes wrong in here, we should simply crash as we already saved
2266		2664
2267	# cancel all watchers	2665	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2666	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2668	}
2271		2669
		2670	warn "flushing outstanding aio requests";
		2671	for (;;) {
		2672	BDB::flush;
		2673	IO::AIO::flush;
		2674	Coro::cede;
		2675	last unless IO::AIO::nreqs || BDB::nreqs;
		2676	warn "iterate...";
		2677	}
		2678
		2679	++$RELOAD;
		2680
2272	# cancel all extension coros	2681	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2682	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2683	%EXT_CORO = ();
2275		2684
2276	# unload all extensions	2685	warn "removing commands";
2277	for (@exts) {	2686	%COMMAND = ();
		2687
		2688	warn "removing ext commands";
		2689	%EXTCMD = ();
		2690
		2691	warn "unloading/nuking all extensions";
		2692	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2693	warn "... unloading $pkg";
2279	unload_extension $_;	2694
		2695	if (my $cb = $pkg->can ("unload")) {
		2696	eval {
		2697	$cb->($pkg);
		2698	1
		2699	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2700	}
2281		2701
		2702	warn "... nuking $pkg";
		2703	Symbol::delete_package $pkg;
		2704	}
		2705
2282	# unload all modules loaded from $LIBDIR	2706	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2707	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2709
2286	warn "removing <$k>";	2710	warn "... unloading $k";
2287	delete $INC{$k};	2711	delete $INC{$k};
2288		2712
2289	$k =~ s/\.pm$//;	2713	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2714	$k =~ s/\//::/g;
2291		2715
…		…
2294	}	2718	}
2295		2719
2296	Symbol::delete_package $k;	2720	Symbol::delete_package $k;
2297	}	2721	}
2298		2722
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2723	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2724	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2726
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2727	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2728	delete $INC{"cf.pm"};
		2729	delete $INC{"cf/pod.pm"};
2312		2730
2313	# don't, removes xs symbols, too,	2731	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2732	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2733	#Symbol::delete_package __PACKAGE__;
2316		2734
2317	# reload cf.pm	2735	warn "unload completed, starting to reload now";
		2736
2318	warn "reloading cf.pm";	2737	warn "reloading cf.pm";
2319	require cf;	2738	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2740
2322	# load config and database again	2741	warn "loading config and database again";
2323	cf::cfg_load;	2742	cf::cfg_load;
2324	cf::db_load;
2325		2743
2326	# load extensions
2327	warn "load extensions";	2744	warn "loading extensions";
2328	cf::load_extensions;	2745	cf::load_extensions;
2329		2746
2330	# reattach attachments to objects	2747	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2748	_global_reattach; # objects, sockets
2332	_global_reattach;	2749	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2750	reattach $_ for values %MAP;
2334	};	2751	warn "reattaching attachments to players";
		2752	reattach $_ for values %PLAYER;
2335		2753
2336	if ($@) {	2754	warn "leaving sync_job";
		2755
		2756	1
		2757	} or do {
2337	warn $@;	2758	warn $@;
2338	warn "error while reloading, exiting.";	2759	warn "error while reloading, exiting.";
2339	exit 1;	2760	exit 1;
2340	}	2761	};
2341		2762
2342	warn "reloaded successfully";	2763	warn "reloaded";
2343	};	2764	};
2344		2765
2345	#############################################################################	2766	our $RELOAD_WATCHER; # used only during reload
2346		2767
2347	unless ($LINK_MAP) {	2768	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	2769	# doing reload synchronously and two reloads happen back-to-back,
		2770	# coro crashes during coro_state_free->destroy here.
2349		2771
2350	$LINK_MAP->width (41);	2772	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2773	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	2774	after => 0,
		2775	data => WF_AUTOCANCEL,
2360	cb => sub {	2776	cb => sub {
2361	$_[0]->w->cancel;	2777	do_reload_perl;
2362		2778	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	2779	},
2381		2780	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2781	}
2387
2388	register "<global>", __PACKAGE__;
2389		2782
2390	register_command "reload" => sub {	2783	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2784	my ($who, $arg) = @_;
2392		2785
2393	if ($who->flag (FLAG_WIZ)) {	2786	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2787	$who->message ("reloading server.");
		2788	async { reload_perl };
2397	}	2789	}
2398	};	2790	};
2399		2791
2400	unshift @INC, $LIBDIR;	2792	unshift @INC, $LIBDIR;
		2793
		2794	my $bug_warning = 0;
		2795
		2796	our @WAIT_FOR_TICK;
		2797	our @WAIT_FOR_TICK_BEGIN;
		2798
		2799	sub wait_for_tick {
		2800	return unless $TICK_WATCHER->is_active;
		2801	return if $Coro::current == $Coro::main;
		2802
		2803	my $signal = new Coro::Signal;
		2804	push @WAIT_FOR_TICK, $signal;
		2805	$signal->wait;
		2806	}
		2807
		2808	sub wait_for_tick_begin {
		2809	return unless $TICK_WATCHER->is_active;
		2810	return if $Coro::current == $Coro::main;
		2811
		2812	my $signal = new Coro::Signal;
		2813	push @WAIT_FOR_TICK_BEGIN, $signal;
		2814	$signal->wait;
		2815	}
2401		2816
2402	$TICK_WATCHER = Event->timer (	2817	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2818	reentrant => 0,
		2819	parked => 1,
2404	prio => 0,	2820	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2821	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2822	data => WF_AUTOCANCEL,
2407	cb => sub {	2823	cb => sub {
		2824	if ($Coro::current != $Coro::main) {
		2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2826	unless ++$bug_warning > 10;
		2827	return;
		2828	}
		2829
		2830	$NOW = Event::time;
		2831
2408	cf::server_tick; # one server iteration	2832	cf::server_tick; # one server iteration
		2833
2409	$RUNTIME += $TICK;	2834	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2835	$NEXT_TICK += $TICK;
2411		2836
2412	$WAIT_FOR_TICK->broadcast;	2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2838	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2839	Coro::async_pool {
		2840	write_runtime
		2841	or warn "ERROR: unable to write runtime file: $!";
		2842	};
		2843	}
		2844
		2845	# my $AFTER = Event::time;
		2846	# warn $AFTER - $NOW;#d#
2414		2847
2415	# if we are delayed by four ticks or more, skip them all	2848	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2850
2418	$TICK_WATCHER->at ($NEXT_TICK);	2851	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2852	$TICK_WATCHER->start;
		2853
		2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2855	$sig->send;
		2856	}
		2857	while (my $sig = shift @WAIT_FOR_TICK) {
		2858	$sig->send;
		2859	}
		2860
		2861	_post_tick;
2420	},	2862	},
2421	);	2863	);
2422		2864
		2865	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2866	BDB::max_poll_time $TICK * 0.1;
2424		2867	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2868	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2869	fd => BDB::poll_fileno,
2427	poll => 'r',	2870	poll => 'r',
2428	prio => 5,	2871	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2435	after => 0,	2873	cb => \&BDB::poll_cb,
2436	interval => 10,	2874	);
2437	cb => sub {	2875	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2876
2439	write_runtime	2877	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2878	my $status;
		2879	my $current = $Coro::current;
		2880	(
		2881	sub {
		2882	$status = $!;
		2883	$current->ready; undef $current;
		2884	},
		2885	sub {
		2886	Coro::schedule while defined $current;
		2887	$! = $status;
		2888	},
		2889	)
		2890	};
		2891
		2892	unless ($DB_ENV) {
		2893	$DB_ENV = BDB::db_env_create;
		2894
		2895	cf::sync_job {
		2896	eval {
		2897	BDB::db_env_open
		2898	$DB_ENV,
		2899	$BDBDIR,
		2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2902	0666;
		2903
		2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2905
		2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2907	$DB_ENV->set_lk_detect;
		2908	};
		2909
		2910	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2911	};
2442	},	2912	}
2443	);	2913	}
		2914
		2915	{
		2916	IO::AIO::min_parallel 8;
		2917
		2918	undef $Coro::AIO::WATCHER;
		2919	IO::AIO::max_poll_time $TICK * 0.1;
		2920	$AIO_POLL_WATCHER = Event->io (
		2921	reentrant => 0,
		2922	data => WF_AUTOCANCEL,
		2923	fd => IO::AIO::poll_fileno,
		2924	poll => 'r',
		2925	prio => 6,
		2926	cb => \&IO::AIO::poll_cb,
		2927	);
		2928	}
		2929
		2930	# load additional modules
		2931	use cf::pod;
2444		2932
2445	END { cf::emergency_save }	2933	END { cf::emergency_save }
2446		2934
2447	1	2935	1
2448		2936

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