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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 1.257 by root, Sat Apr 21 17:34:24 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
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
		1552	}
		1553
		1554	# find and load all maps in the 3x3 area around a map
		1555	sub load_diag {
		1556	my ($map) = @_;
		1557
		1558	my @diag; # diagonal neighbours
		1559
		1560	for (0 .. 3) {
		1561	my $neigh = $map->tile_path ($_)
		1562	or next;
		1563	$neigh = find $neigh, $map
		1564	or next;
		1565	$neigh->load;
		1566
		1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1569	}
		1570
		1571	for (@diag) {
		1572	my $neigh = find @$_
		1573	or next;
		1574	$neigh->load;
		1575	}
1442	}	1576	}
1443		1577
1444	sub find_sync {	1578	sub find_sync {
1445	my ($path, $origin) = @_;	1579	my ($path, $origin) = @_;
1446		1580
1447	cf::sync_job { cf::map::find $path, $origin }	1581	cf::sync_job { find $path, $origin }
1448	}	1582	}
1449		1583
1450	sub do_load_sync {	1584	sub do_load_sync {
1451	my ($map) = @_;	1585	my ($map) = @_;
1452		1586
1453	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1454	}	1588	}
1455		1589
		1590	our %MAP_PREFETCH;
		1591	our $MAP_PREFETCHER = undef;
		1592
		1593	sub find_async {
		1594	my ($path, $origin) = @_;
		1595
		1596	$path = normalise $path, $origin && $origin->{path};
		1597
		1598	if (my $map = $cf::MAP{$path}) {
		1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1600	}
		1601
		1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
		1615	$MAP_PREFETCHER->prio (6);
		1616
		1617	()
		1618	}
		1619
1456	sub save {	1620	sub save {
1457	my ($self) = @_;	1621	my ($self) = @_;
1458		1622
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1624
1461	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1462		1626
1463	return unless $self->dirty;	1627	return unless $self->dirty;
1464		1628
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1631
1468	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1469		1633
1470	return if $self->{deny_save};	1634	return if $self->{deny_save};
1471		1635
…		…
1474	cf::async {	1638	cf::async {
1475	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1476	};	1640	};
1477		1641
1478	if ($uniq) {	1642	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1645	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1647	}
1484	}	1648	}
1485		1649
1486	sub swap_out {	1650	sub swap_out {
1487	my ($self) = @_;	1651	my ($self) = @_;
…		…
1501		1665
1502	sub reset_at {	1666	sub reset_at {
1503	my ($self) = @_;	1667	my ($self) = @_;
1504		1668
1505	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1508		1672
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1675
…		…
1516	my ($self) = @_;	1680	my ($self) = @_;
1517		1681
1518	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1519	}	1683	}
1520		1684
1521	sub unlink_save {
1522	my ($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	$self->save;
1540	}
1541
1542	sub reset {	1685	sub reset {
1543	my ($self) = @_;	1686	my ($self) = @_;
1544		1687
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1689
1547	return if $self->players;	1690	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1549		1692
1550	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1551		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
1552	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1553		1708
1554	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1555		1710
1556	$self->unlink_save;	1711	$self->unlink_save;
1557	$self->destroy;	1712	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1561		1716
1562	sub nuke {	1717	sub nuke {
1563	my ($self) = @_;	1718	my ($self) = @_;
1564		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1568	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1569	}	1733	}
1570		1734
1571	sub customise_for {	1735	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1736
1574	if ($map->per_player) {	1737	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1738	instantiated unique items. May block.
1576	}
1577		1739
1578	$map	1740	=cut
		1741
		1742	sub unique_maps() {
		1743	my $files = aio_readdir $UNIQUEDIR
		1744	or return;
		1745
		1746	my @paths;
		1747
		1748	for (@$files) {
		1749	utf8::decode $_;
		1750	next if /\.pst$/;
		1751	next unless /^$PATH_SEP/o;
		1752
		1753	push @paths, cf::map::normalise $_;
		1754	}
		1755
		1756	\@paths
1579	}	1757	}
1580		1758
1581	package cf;	1759	package cf;
1582		1760
1583	=back	1761	=back
…		…
1655		1833
1656	=item $player_object->enter_link	1834	=item $player_object->enter_link
1657		1835
1658	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}>).
1659		1837
1660	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
1661	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1662		1840
		1841	Will never block.
		1842
1663	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1664		1844
1665	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1848	fails, to the emergency map position.
1669		1849
1670	Might block.	1850	Might block.
1671		1851
1672	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($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	$LINK_MAP
		1862	}
1673		1863
1674	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1865	my ($self) = @_;
1676		1866
1677	$self->deactivate_recursive;	1867	return if UNIVERSAL::isa $self->map, "ext::map_link";
1678
1679	return if $self->map == $LINK_MAP;
1680		1868
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1869	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1870	if $self->map;
1683		1871
1684	$self->enter_map ($LINK_MAP, 20, 20);	1872	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1873	}
1686		1874
1687	sub cf::object::player::leave_link {	1875	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1876	my ($self, $map, $x, $y) = @_;
1689		1877
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1895	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1896	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1897	if $x <=0 && $y <= 0;
1710		1898
1711	$map->load;	1899	$map->load;
		1900	$map->load_diag;
1712		1901
1713	return unless $self->contr->active;	1902	return unless $self->contr->active;
1714	$self->activate_recursive;	1903	$self->activate_recursive;
		1904
		1905	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1906	$self->enter_map ($map, $x, $y);
1716	}	1907	}
1717		1908
1718	cf::player->attach (	1909	cf::player->attach (
1719	on_logout => sub {	1910	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1923	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1924	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1925	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1926	$pl->ob->enter_link;
1736	(async {	1927	(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,	1928	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1929	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1930	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1931	cf::NDI_RED);
		1932	# we need this sleep as the login has a concurrent enter_exit running
		1933	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1934	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1935	$pl->ob->leave_link;
1745	})->prio (2);	1936	})->prio (2);
1746	}	1937	}
1747	},	1938	},
…		…
1752	=cut	1943	=cut
1753		1944
1754	sub cf::object::player::goto {	1945	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1946	my ($self, $path, $x, $y) = @_;
1756		1947
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1948	$self->enter_link;
1761		1949
1762	(async {	1950	(async {
		1951	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1952	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1953	$map = $map->customise_for ($self) if $map;
1765		1954	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1955	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1956	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1957
1771	$self->leave_link ($map, $x, $y);	1958	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1959	})->prio (1);
1773	}	1960	}
1774		1961
…		…
1778		1965
1779	sub parse_random_map_params {	1966	sub parse_random_map_params {
1780	my ($spec) = @_;	1967	my ($spec) = @_;
1781		1968
1782	my $rmp = { # defaults	1969	my $rmp = { # defaults
1783	xsize => 10,	1970	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1971	ysize => (cf::rndm 15, 40),
		1972	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1973	#layout => string,
1785	};	1974	};
1786		1975
1787	for (split /\n/, $spec) {	1976	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1977	my ($k, $v) = split /\s+/, $_, 2;
1789		1978
…		…
1793	$rmp	1982	$rmp
1794	}	1983	}
1795		1984
1796	sub prepare_random_map {	1985	sub prepare_random_map {
1797	my ($exit) = @_;	1986	my ($exit) = @_;
		1987
		1988	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1989
1799	# all this does is basically replace the /! path by	1990	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1991	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1992	# that depends on the exit object
1802		1993
1803	my $rmp = parse_random_map_params $exit->msg;	1994	my $rmp = parse_random_map_params $exit->msg;
1804		1995
1805	if ($exit->map) {	1996	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1997	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	1998	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	1999	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2000	$rmp->{origin_y} = $exit->y;
1810	}	2001	}
1811		2002
1812	$rmp->{random_seed} ||= $exit->random_seed;	2003	$rmp->{random_seed} ||= $exit->random_seed;
1813		2004
1814	my $data = cf::to_json $rmp;	2005	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2006	my $md5 = Digest::MD5::md5_hex $data;
		2007	my $meta = "$RANDOMDIR/$md5.meta";
1816		2008
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2009	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2010	aio_write $fh, 0, (length $data), $data, 0;
		2011	undef $fh;
		2012	aio_rename "$meta~", $meta;
1819		2013
1820	$exit->slaying ("?random/$md5");	2014	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2015	$exit->msg (undef);
1822	}	2016	}
1823	}	2017	}
1824		2018
1825	sub cf::object::player::enter_exit {	2019	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2020	my ($self, $exit) = @_;
1827		2021
1828	return unless $self->type == cf::PLAYER;	2022	return unless $self->type == cf::PLAYER;
		2023
		2024	if ($exit->slaying eq "/!") {
		2025	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2026	# the problem is that $exit might not survive long enough
		2027	# so it needs to be done right now, right here
		2028	cf::sync_job { prepare_random_map $exit };
		2029	}
		2030
		2031	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2032	my $hp = $exit->stats->hp;
		2033	my $sp = $exit->stats->sp;
1829		2034
1830	$self->enter_link;	2035	$self->enter_link;
1831		2036
1832	(async {	2037	(async {
1833	$self->deactivate_recursive; # just to be sure	2038	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2039	unless (eval {
1835	prepare_random_map $exit	2040	$self->goto ($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		2041
1841	1;	2042	1;
1842	}) {	2043	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2044	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2045	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2046	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2047	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2048
1848	warn "ERROR in enter_exit: $@";	2049	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2050	$self->leave_link;
1850	}	2051	}
1851	})->prio (1);	2052	})->prio (1);
…		…
1864		2065
1865	sub cf::client::send_drawinfo {	2066	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2067	my ($self, $text, $flags) = @_;
1867		2068
1868	utf8::encode $text;	2069	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2070	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2071	}
1871		2072
		2073	=item $client->ext_event ($type, %msg)
		2074
		2075	Sends an exti event to the client.
		2076
		2077	=cut
		2078
		2079	sub cf::client::ext_event($$%) {
		2080	my ($self, $type, %msg) = @_;
		2081
		2082	$msg{msgtype} = "event_$type";
		2083	$self->send_packet ("ext " . cf::to_json \%msg);
		2084	}
1872		2085
1873	=item $success = $client->query ($flags, "text", \&cb)	2086	=item $success = $client->query ($flags, "text", \&cb)
1874		2087
1875	Queues a query to the client, calling the given callback with	2088	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>,	2089	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2118	# get handled first
1906	my $queue = delete $ns->{query_queue}	2119	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2120	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2121
1909	(shift @$queue)->[1]->($msg);	2122	(shift @$queue)->[1]->($msg);
		2123	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2124
1911	push @{ $ns->{query_queue} }, @$queue;	2125	push @{ $ns->{query_queue} }, @$queue;
1912		2126
1913	if (@{ $ns->{query_queue} } == @$queue) {	2127	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2128	if (@$queue) {
…		…
1972		2186
1973	# here we export the classes and methods available to script code	2187	# here we export the classes and methods available to script code
1974		2188
1975	=pod	2189	=pod
1976		2190
1977	The following fucntions and emthods are available within a safe environment:	2191	The following functions and methods are available within a safe environment:
1978		2192
1979	cf::object contr pay_amount pay_player map	2193	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2194	cf::object::player player
1981	cf::player peaceful	2195	cf::player peaceful
1982	cf::map trigger	2196	cf::map trigger
…		…
2067	#############################################################################	2281	#############################################################################
2068		2282
2069	=head2 EXTENSION DATABASE SUPPORT	2283	=head2 EXTENSION DATABASE SUPPORT
2070		2284
2071	Crossfire maintains a very simple database for extension use. It can	2285	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2286	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2287	convert to/from binary).
2074		2288
2075	The parameter C<$family> should best start with the name of the extension	2289	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2290	using it, it should be unique.
2077		2291
2078	=over 4	2292	=over 4
2079		2293
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	2294	=item $value = cf::db_get $family => $key
2087		2295
2088	Returns a single value from the database	2296	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		2297
2095	=item cf::db_put $family => $key => $value	2298	=item cf::db_put $family => $key => $value
2096		2299
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2300	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		2301
2108	=cut	2302	=cut
2109		2303
2110	our $DB;	2304	our $DB;
2111		2305
2112	{	2306	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2307	unless ($DB) {
		2308	$DB = BDB::db_create $DB_ENV;
2114		2309
2115	sub db_load() {	2310	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2311	eval {
2117	}	2312	$DB->set_flags (BDB::CHKSUM);
2118		2313
2119	my $pid;	2314	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2315	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2316	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2317	};
2123	if (0 == ($pid = fork)) {	2318	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	}	2319	};
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	});	2320	}
		2321	}
2141		2322
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2323	sub db_get($$) {
2148	@_ >= 2	2324	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2325
		2326	cf::sync_job {
		2327	BDB::db_get $DB, undef, $key, my $data;
		2328
		2329	$! ? ()
		2330	: $data
		2331	}
		2332	}
		2333
2153	sub db_put($$;$) {	2334	sub db_put($$$) {
2154	if (@_ >= 3) {	2335	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2336	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2337	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2338
2162	cf::global->attach (	2339	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2340
2164	on_cleanup => sub {	2341	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2342	caching and regenerating as required.
		2343
		2344	This function can block.
		2345
		2346	=cut
		2347
		2348	sub cache {
		2349	my ($id, $src, $processversion, $process) = @_;
		2350
		2351	my $meta =
		2352	join "\x00",
		2353	$processversion,
		2354	map {
		2355	aio_stat $_
		2356	and Carp::croak "$_: $!";
		2357
		2358	($_, (stat _)[7,9])
		2359	} @$src;
		2360
		2361	my $dbmeta = db_get cache => "$id/meta";
		2362	if ($dbmeta ne $meta) {
		2363	# changed, we may need to process
		2364
		2365	my @data;
		2366	my $md5;
		2367
		2368	for (0 .. $#$src) {
		2369	0 <= aio_load $src->[$_], $data[$_]
		2370	or Carp::croak "$src->[$_]: $!";
2166	},	2371	}
2167	);	2372
		2373	# if processing is expensive, check
		2374	# checksum first
		2375	if (1) {
		2376	$md5 =
		2377	join "\x00",
		2378	$processversion,
		2379	map {
		2380	Coro::cede;
		2381	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2382	} 0.. $#$src;
		2383
		2384
		2385	my $dbmd5 = db_get cache => "$id/md5";
		2386	if ($dbmd5 eq $md5) {
		2387	db_put cache => "$id/meta", $meta;
		2388
		2389	return db_get cache => "$id/data";
		2390	}
		2391	}
		2392
		2393	my $t1 = Time::HiRes::time;
		2394	my $data = $process->(\@data);
		2395	my $t2 = Time::HiRes::time;
		2396
		2397	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2398
		2399	db_put cache => "$id/data", $data;
		2400	db_put cache => "$id/md5" , $md5;
		2401	db_put cache => "$id/meta", $meta;
		2402
		2403	return $data;
		2404	}
		2405
		2406	db_get cache => "$id/data"
2168	}	2407	}
		2408
		2409	=item fork_call { }, $args
		2410
		2411	Executes the given code block with the given arguments in a seperate
		2412	process, returning the results. Everything must be serialisable with
		2413	Coro::Storable. May, of course, block. Note that the executed sub may
		2414	never block itself or use any form of Event handling.
		2415
		2416	=cut
		2417
		2418	sub fork_call(&@) {
		2419	my ($cb, @args) = @_;
		2420
		2421	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2422	# or die "socketpair: $!";
		2423	pipe my $fh1, my $fh2
		2424	or die "pipe: $!";
		2425
		2426	if (my $pid = fork) {
		2427	close $fh2;
		2428
		2429	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2430	$res = Coro::Storable::thaw $res;
		2431
		2432	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2433
		2434	die $$res unless "ARRAY" eq ref $res;
		2435
		2436	return wantarray ? @$res : $res->[-1];
		2437	} else {
		2438	local $SIG{__WARN__};
		2439	eval {
		2440	local $SIG{__DIE__};
		2441	close $fh1;
		2442
		2443	my @res = eval { $cb->(@args) };
		2444	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2445	};
		2446
		2447	warn $@ if $@;
		2448	_exit 0;
		2449	}
		2450	}
		2451
		2452
2169		2453
2170	#############################################################################	2454	#############################################################################
2171	# the server's main()	2455	# the server's init and main functions
		2456
		2457	sub load_facedata($) {
		2458	my ($path) = @_;
		2459
		2460	warn "loading facedata from $path\n";
		2461
		2462	my $facedata;
		2463	0 < aio_load $path, $facedata
		2464	or die "$path: $!";
		2465
		2466	$facedata = Coro::Storable::thaw $facedata;
		2467
		2468	$facedata->{version} == 2
		2469	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2470
		2471	{
		2472	my $faces = $facedata->{faceinfo};
		2473
		2474	while (my ($face, $info) = each %$faces) {
		2475	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2476	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2477	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2478	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2479	Coro::cede;
		2480	}
		2481
		2482	while (my ($face, $info) = each %$faces) {
		2483	next unless $info->{smooth};
		2484	my $idx = cf::face::find $face
		2485	or next;
		2486	if (my $smooth = cf::face::find $info->{smooth}) {
		2487	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2488	} else {
		2489	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2490	}
		2491	Coro::cede;
		2492	}
		2493	}
		2494
		2495	{
		2496	my $anims = $facedata->{animinfo};
		2497
		2498	while (my ($anim, $info) = each %$anims) {
		2499	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2500	Coro::cede;
		2501	}
		2502
		2503	cf::anim::invalidate_all; # d'oh
		2504	}
		2505
		2506	1
		2507	}
		2508
		2509	sub reload_regions {
		2510	load_resource_file "$MAPDIR/regions"
		2511	or die "unable to load regions file\n";
		2512	}
		2513
		2514	sub reload_facedata {
		2515	load_facedata "$DATADIR/facedata"
		2516	or die "unable to load facedata\n";
		2517	}
		2518
		2519	sub reload_archetypes {
		2520	load_resource_file "$DATADIR/archetypes"
		2521	or die "unable to load archetypes\n";
		2522	}
		2523
		2524	sub reload_treasures {
		2525	load_resource_file "$DATADIR/treasures"
		2526	or die "unable to load treasurelists\n";
		2527	}
		2528
		2529	sub reload_resources {
		2530	warn "reloading resource files...\n";
		2531
		2532	reload_regions;
		2533	reload_facedata;
		2534	reload_archetypes;
		2535	reload_treasures;
		2536
		2537	warn "finished reloading resource files\n";
		2538	}
		2539
		2540	sub init {
		2541	reload_resources;
		2542	}
2172		2543
2173	sub cfg_load {	2544	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2545	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2546	or return;
2176		2547
2177	local $/;	2548	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2549	*CFG = YAML::Syck::Load <$fh>;
2179		2550
…		…
2193		2564
2194	sub main {	2565	sub main {
2195	# we must not ever block the main coroutine	2566	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2567	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2569	(async {
2198	async { Event::one_event };	2570	Event::one_event;
		2571	})->prio (Coro::PRIO_MAX);
2199	};	2572	};
2200		2573
2201	cfg_load;	2574	cfg_load;
2202	db_load;	2575	db_init;
2203	load_extensions;	2576	load_extensions;
		2577
		2578	$TICK_WATCHER->start;
2204	Event::loop;	2579	Event::loop;
2205	}	2580	}
2206		2581
2207	#############################################################################	2582	#############################################################################
2208	# initialisation and cleanup	2583	# initialisation and cleanup
2209		2584
2210	# install some emergency cleanup handlers	2585	# install some emergency cleanup handlers
2211	BEGIN {	2586	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2587	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2588	Event->signal (
		2589	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2590	data => WF_AUTOCANCEL,
2215	signal => $signal,	2591	signal => $signal,
		2592	prio => 0,
2216	cb => sub {	2593	cb => sub {
2217	cf::cleanup "SIG$signal";	2594	cf::cleanup "SIG$signal";
2218	},	2595	},
2219	);	2596	);
2220	}	2597	}
2221	}	2598	}
2222		2599
2223	sub emergency_save {	2600	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	2601	my $freeze_guard = cf::freeze_mainloop;
2225		2602
2226	warn "enter emergency perl save\n";	2603	warn "enter emergency perl save\n";
2227		2604
2228	cf::sync_job {	2605	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2606	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2607	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2608	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2609	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2610	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2611	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2612	$pl->valid or next;
2236	$pl->save;	2613	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2619	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2620	$map->valid or next;
2244	$map->save;	2621	$map->save;
2245	}	2622	}
2246	warn "end emergency map save\n";	2623	warn "end emergency map save\n";
		2624
		2625	warn "begin emergency database checkpoint\n";
		2626	BDB::db_env_txn_checkpoint $DB_ENV;
		2627	warn "end emergency database checkpoint\n";
2247	};	2628	};
2248		2629
2249	warn "leave emergency perl save\n";	2630	warn "leave emergency perl save\n";
2250	}	2631	}
2251		2632
		2633	sub post_cleanup {
		2634	my ($make_core) = @_;
		2635
		2636	warn Carp::longmess "post_cleanup backtrace"
		2637	if $make_core;
		2638	}
		2639
2252	sub reload() {	2640	sub do_reload_perl() {
2253	# can/must only be called in main	2641	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2642	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2643	warn "can only reload from main coroutine";
2256	return;	2644	return;
2257	}	2645	}
2258		2646
2259	warn "reloading...";	2647	warn "reloading...";
2260		2648
2261	my $guard = freeze_mainloop;	2649	warn "entering sync_job";
		2650
		2651	cf::sync_job {
		2652	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2653	cf::emergency_save;
		2654	cf::write_runtime; # external watchdog should not bark
2263		2655
2264	eval {	2656	warn "syncing database to disk";
		2657	BDB::db_env_txn_checkpoint $DB_ENV;
		2658
2265	# if anything goes wrong in here, we should simply crash as we already saved	2659	# if anything goes wrong in here, we should simply crash as we already saved
2266		2660
2267	# cancel all watchers	2661	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2662	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2663	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2664	}
2271		2665
		2666	warn "flushing outstanding aio requests";
		2667	for (;;) {
		2668	BDB::flush;
		2669	IO::AIO::flush;
		2670	Coro::cede;
		2671	last unless IO::AIO::nreqs || BDB::nreqs;
		2672	warn "iterate...";
		2673	}
		2674
		2675	++$RELOAD;
		2676
2272	# cancel all extension coros	2677	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2678	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2679	%EXT_CORO = ();
2275		2680
2276	# unload all extensions	2681	warn "removing commands";
2277	for (@exts) {	2682	%COMMAND = ();
		2683
		2684	warn "removing ext commands";
		2685	%EXTCMD = ();
		2686
		2687	warn "unloading/nuking all extensions";
		2688	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2689	warn "... unloading $pkg";
2279	unload_extension $_;	2690
		2691	if (my $cb = $pkg->can ("unload")) {
		2692	eval {
		2693	$cb->($pkg);
		2694	1
		2695	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2696	}
2281		2697
		2698	warn "... nuking $pkg";
		2699	Symbol::delete_package $pkg;
		2700	}
		2701
2282	# unload all modules loaded from $LIBDIR	2702	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2703	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2704	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2705
2286	warn "removing <$k>";	2706	warn "... unloading $k";
2287	delete $INC{$k};	2707	delete $INC{$k};
2288		2708
2289	$k =~ s/\.pm$//;	2709	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2710	$k =~ s/\//::/g;
2291		2711
…		…
2294	}	2714	}
2295		2715
2296	Symbol::delete_package $k;	2716	Symbol::delete_package $k;
2297	}	2717	}
2298		2718
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2719	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2720	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2721	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2722
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2723	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2724	delete $INC{"cf.pm"};
		2725	delete $INC{"cf/pod.pm"};
2312		2726
2313	# don't, removes xs symbols, too,	2727	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2728	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2729	#Symbol::delete_package __PACKAGE__;
2316		2730
2317	# reload cf.pm	2731	warn "unload completed, starting to reload now";
		2732
2318	warn "reloading cf.pm";	2733	warn "reloading cf.pm";
2319	require cf;	2734	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2735	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2736
2322	# load config and database again	2737	warn "loading config and database again";
2323	cf::cfg_load;	2738	cf::cfg_load;
2324	cf::db_load;
2325		2739
2326	# load extensions
2327	warn "load extensions";	2740	warn "loading extensions";
2328	cf::load_extensions;	2741	cf::load_extensions;
2329		2742
2330	# reattach attachments to objects	2743	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2744	_global_reattach; # objects, sockets
2332	_global_reattach;	2745	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2746	reattach $_ for values %MAP;
2334	};	2747	warn "reattaching attachments to players";
		2748	reattach $_ for values %PLAYER;
2335		2749
2336	if ($@) {	2750	warn "leaving sync_job";
		2751
		2752	1
		2753	} or do {
2337	warn $@;	2754	warn $@;
2338	warn "error while reloading, exiting.";	2755	warn "error while reloading, exiting.";
2339	exit 1;	2756	exit 1;
2340	}	2757	};
2341		2758
2342	warn "reloaded successfully";	2759	warn "reloaded";
2343	};	2760	};
2344		2761
2345	#############################################################################	2762	our $RELOAD_WATCHER; # used only during reload
2346		2763
2347	unless ($LINK_MAP) {	2764	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	2765	# doing reload synchronously and two reloads happen back-to-back,
		2766	# coro crashes during coro_state_free->destroy here.
2349		2767
2350	$LINK_MAP->width (41);	2768	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2769	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,	2770	after => 0,
		2771	data => WF_AUTOCANCEL,
2360	cb => sub {	2772	cb => sub {
2361	$_[0]->w->cancel;	2773	do_reload_perl;
2362		2774	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	});	2775	},
2381		2776	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2777	}
2387
2388	register "<global>", __PACKAGE__;
2389		2778
2390	register_command "reload" => sub {	2779	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2780	my ($who, $arg) = @_;
2392		2781
2393	if ($who->flag (FLAG_WIZ)) {	2782	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2783	$who->message ("reloading server.");
		2784	async { reload_perl };
2397	}	2785	}
2398	};	2786	};
2399		2787
2400	unshift @INC, $LIBDIR;	2788	unshift @INC, $LIBDIR;
		2789
		2790	my $bug_warning = 0;
		2791
		2792	our @WAIT_FOR_TICK;
		2793	our @WAIT_FOR_TICK_BEGIN;
		2794
		2795	sub wait_for_tick {
		2796	return unless $TICK_WATCHER->is_active;
		2797	return if $Coro::current == $Coro::main;
		2798
		2799	my $signal = new Coro::Signal;
		2800	push @WAIT_FOR_TICK, $signal;
		2801	$signal->wait;
		2802	}
		2803
		2804	sub wait_for_tick_begin {
		2805	return unless $TICK_WATCHER->is_active;
		2806	return if $Coro::current == $Coro::main;
		2807
		2808	my $signal = new Coro::Signal;
		2809	push @WAIT_FOR_TICK_BEGIN, $signal;
		2810	$signal->wait;
		2811	}
2401		2812
2402	$TICK_WATCHER = Event->timer (	2813	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2814	reentrant => 0,
		2815	parked => 1,
2404	prio => 0,	2816	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2817	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2818	data => WF_AUTOCANCEL,
2407	cb => sub {	2819	cb => sub {
		2820	if ($Coro::current != $Coro::main) {
		2821	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2822	unless ++$bug_warning > 10;
		2823	return;
		2824	}
		2825
		2826	$NOW = Event::time;
		2827
2408	cf::server_tick; # one server iteration	2828	cf::server_tick; # one server iteration
		2829
2409	$RUNTIME += $TICK;	2830	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2831	$NEXT_TICK += $TICK;
2411		2832
2412	$WAIT_FOR_TICK->broadcast;	2833	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2834	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2835	Coro::async_pool {
		2836	write_runtime
		2837	or warn "ERROR: unable to write runtime file: $!";
		2838	};
		2839	}
		2840
		2841	# my $AFTER = Event::time;
		2842	# warn $AFTER - $NOW;#d#
2414		2843
2415	# if we are delayed by four ticks or more, skip them all	2844	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2845	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2846
2418	$TICK_WATCHER->at ($NEXT_TICK);	2847	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2848	$TICK_WATCHER->start;
		2849
		2850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2851	$sig->send;
		2852	}
		2853	while (my $sig = shift @WAIT_FOR_TICK) {
		2854	$sig->send;
		2855	}
		2856
		2857	_post_tick;
2420	},	2858	},
2421	);	2859	);
2422		2860
		2861	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2862	BDB::max_poll_time $TICK * 0.1;
2424		2863	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2864	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2865	fd => BDB::poll_fileno,
2427	poll => 'r',	2866	poll => 'r',
2428	prio => 5,	2867	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2868	data => WF_AUTOCANCEL,
2435	after => 0,	2869	cb => \&BDB::poll_cb,
2436	interval => 10,	2870	);
2437	cb => sub {	2871	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2872
2439	write_runtime	2873	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2874	my $status;
		2875	my $current = $Coro::current;
		2876	(
		2877	sub {
		2878	$status = $!;
		2879	$current->ready; undef $current;
		2880	},
		2881	sub {
		2882	Coro::schedule while defined $current;
		2883	$! = $status;
		2884	},
		2885	)
		2886	};
		2887
		2888	unless ($DB_ENV) {
		2889	$DB_ENV = BDB::db_env_create;
		2890
		2891	cf::sync_job {
		2892	eval {
		2893	BDB::db_env_open
		2894	$DB_ENV,
		2895	$BDBDIR,
		2896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2898	0666;
		2899
		2900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2901
		2902	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2903	$DB_ENV->set_lk_detect;
		2904	};
		2905
		2906	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2907	};
2442	},	2908	}
2443	);	2909	}
		2910
		2911	{
		2912	IO::AIO::min_parallel 8;
		2913
		2914	undef $Coro::AIO::WATCHER;
		2915	IO::AIO::max_poll_time $TICK * 0.1;
		2916	$AIO_POLL_WATCHER = Event->io (
		2917	reentrant => 0,
		2918	data => WF_AUTOCANCEL,
		2919	fd => IO::AIO::poll_fileno,
		2920	poll => 'r',
		2921	prio => 6,
		2922	cb => \&IO::AIO::poll_cb,
		2923	);
		2924	}
		2925
		2926	# load additional modules
		2927	use cf::pod;
2444		2928
2445	END { cf::emergency_save }	2929	END { cf::emergency_save }
2446		2930
2447	1	2931	1
2448		2932

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