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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.260 by root, Fri Apr 27 19:53:05 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	$self
1442	}	1552	}
1443		1553
1444	# find and load all maps in the 3x3 area around a map	1554	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1555	sub load_diag {
1446	my ($map) = @_;	1556	my ($map) = @_;
…		…
1476		1586
1477	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1478	}	1588	}
1479		1589
1480	our %MAP_PREFETCH;	1590	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1591	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1592
1496	sub find_async {	1593	sub find_async {
1497	my ($path, $origin) = @_;	1594	my ($path, $origin) = @_;
1498		1595
1499	$path = new cf::path $path, $origin && $origin->path;	1596	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1597
1502	if (my $map = $cf::MAP{$key}) {	1598	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1600	}
1505		1601
1506	$MAP_PREFETCH{$key} = $path;	1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
1507	$MAP_PREFETCHER->ready;	1615	$MAP_PREFETCHER->prio (6);
1508		1616
1509	()	1617	()
1510	}	1618	}
1511		1619
1512	sub save {	1620	sub save {
…		…
1516		1624
1517	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1518		1626
1519	return unless $self->dirty;	1627	return unless $self->dirty;
1520		1628
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1631
1524	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1525		1633
1526	return if $self->{deny_save};	1634	return if $self->{deny_save};
1527		1635
…		…
1530	cf::async {	1638	cf::async {
1531	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1532	};	1640	};
1533		1641
1534	if ($uniq) {	1642	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1645	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1647	}
1540	}	1648	}
1541		1649
1542	sub swap_out {	1650	sub swap_out {
1543	my ($self) = @_;	1651	my ($self) = @_;
…		…
1557		1665
1558	sub reset_at {	1666	sub reset_at {
1559	my ($self) = @_;	1667	my ($self) = @_;
1560		1668
1561	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1563	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1564		1672
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1675
…		…
1572	my ($self) = @_;	1680	my ($self) = @_;
1573		1681
1574	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1575	}	1683	}
1576		1684
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1685	sub reset {
1599	my ($self) = @_;	1686	my ($self) = @_;
1600		1687
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1689
1603	return if $self->players;	1690	return if $self->players;
1604	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1605		1692
1606	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1607		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
1608	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1609		1708
1610	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1611		1710
1612	$self->unlink_save;	1711	$self->unlink_save;
1613	$self->destroy;	1712	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1617		1716
1618	sub nuke {	1717	sub nuke {
1619	my ($self) = @_;	1718	my ($self) = @_;
1620		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1624	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1625	}	1733	}
1626		1734
1627	sub customise_for {	1735	=item cf::map::unique_maps
1628	my ($map, $ob) = @_;
1629		1736
1630	if ($map->per_player) {	1737	Returns an arrayref of paths of all shared maps that have
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1738	instantiated unique items. May block.
1632	}
1633		1739
1634	$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
1635	}	1757	}
1636		1758
1637	package cf;	1759	package cf;
1638		1760
1639	=back	1761	=back
…		…
1711		1833
1712	=item $player_object->enter_link	1834	=item $player_object->enter_link
1713		1835
1714	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}>).
1715		1837
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1718		1840
		1841	Will never block.
		1842
1719	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1720		1844
1721	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	1848	fails, to the emergency map position.
1725		1849
1726	Might block.	1850	Might block.
1727		1851
1728	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($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	$LINK_MAP
		1862	}
1729		1863
1730	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1731	my ($self) = @_;	1865	my ($self) = @_;
1732		1866
1733	$self->deactivate_recursive;	1867	$self->deactivate_recursive;
1734		1868
1735	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		1870
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	1872	if $self->map;
1739		1873
1740	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	1875	}
1742		1876
1743	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1745		1879
…		…
1767	$map->load;	1901	$map->load;
1768	$map->load_diag;	1902	$map->load_diag;
1769		1903
1770	return unless $self->contr->active;	1904	return unless $self->contr->active;
1771	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1773	}	1909	}
1774		1910
1775	cf::player->attach (	1911	cf::player->attach (
1776	on_logout => sub {	1912	on_logout => sub {
…		…
1789	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes	1926	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1793	(async {	1929	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,	1930	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",	1932	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);	1933	cf::NDI_RED);
		1934	# we need this sleep as the login has a concurrent enter_exit running
		1935	# and this sleep increases chances of the player not ending up in scorn
1800	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1802	})->prio (2);	1938	})->prio (2);
1803	}	1939	}
1804	},	1940	},
…		…
1809	=cut	1945	=cut
1810		1946
1811	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1813		1949
1814	$path = new cf::path $path;
1815	$path ne "/" or Carp::cluck ("oy");#d#
1816
1817	$self->enter_link;	1950	$self->enter_link;
1818		1951
1819	(async {	1952	(async {
		1953	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1821	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1822		1956	$map
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1827		1959
1828	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1829	})->prio (1);	1961	})->prio (1);
1830	}	1962	}
1831		1963
…		…
1835		1967
1836	sub parse_random_map_params {	1968	sub parse_random_map_params {
1837	my ($spec) = @_;	1969	my ($spec) = @_;
1838		1970
1839	my $rmp = { # defaults	1971	my $rmp = { # defaults
1840	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1842	};	1976	};
1843		1977
1844	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1846		1980
…		…
1850	$rmp	1984	$rmp
1851	}	1985	}
1852		1986
1853	sub prepare_random_map {	1987	sub prepare_random_map {
1854	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		1991
1856	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	1994	# that depends on the exit object
1859		1995
1860	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1861		1997
1862	if ($exit->map) {	1998	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1867	}	2003	}
1868		2004
1869	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1870		2006
1871	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1873		2010
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
		2013	undef $fh;
		2014	aio_rename "$meta~", $meta;
1876		2015
1877	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2017	$exit->msg (undef);
1879	}	2018	}
1880	}	2019	}
1881		2020
1882	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1884		2023
1885	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
		2025
		2026	if ($exit->slaying eq "/!") {
		2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
		2030	cf::sync_job { prepare_random_map $exit };
		2031	}
		2032
		2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2034	my $hp = $exit->stats->hp;
		2035	my $sp = $exit->stats->sp;
1886		2036
1887	$self->enter_link;	2037	$self->enter_link;
1888		2038
1889	(async {	2039	(async {
1890	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2041	unless (eval {
1892	prepare_random_map $exit	2042	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2043
1898	1;	2044	1;
1899	}) {	2045	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2048	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2050
1905	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2052	$self->leave_link;
1907	}	2053	}
1908	})->prio (1);	2054	})->prio (1);
…		…
1921		2067
1922	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1924		2070
1925	utf8::encode $text;	2071	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2073	}
1928		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1929		2087
1930	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1931		2089
1932	Queues a query to the client, calling the given callback with	2090	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1962	# get handled first	2120	# get handled first
1963	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2123
1966	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2126
1968	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1969		2128
1970	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2130	if (@$queue) {
…		…
2029		2188
2030	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
2031		2190
2032	=pod	2191	=pod
2033		2192
2034	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
2035		2194
2036	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2196	cf::object::player player
2038	cf::player peaceful	2197	cf::player peaceful
2039	cf::map trigger	2198	cf::map trigger
…		…
2124	#############################################################################	2283	#############################################################################
2125		2284
2126	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2127		2286
2128	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2129	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2130	excludes objects.	2289	convert to/from binary).
2131		2290
2132	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
2133	using it, it should be unique.	2292	using it, it should be unique.
2134		2293
2135	=over 4	2294	=over 4
2136		2295
2137	=item $hashref = cf::db_get $family
2138
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key	2296	=item $value = cf::db_get $family => $key
2144		2297
2145	Returns a single value from the database	2298	Returns a single value from the database.
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151		2299
2152	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2153		2301
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	Stores the given C<$value> in the family.
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164		2303
2165	=cut	2304	=cut
2166		2305
2167	our $DB;	2306	our $DB;
2168		2307
2169	{	2308	sub db_init {
2170	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2171		2311
2172	sub db_load() {	2312	cf::sync_job {
2173	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2174	}	2314	$DB->set_flags (BDB::CHKSUM);
2175		2315
2176	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2177		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2178	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2179	waitpid $pid, 0 if $pid;	2319	};
2180	if (0 == ($pid = fork)) {	2320	cf::cleanup "db_open(db): $@" if $@;
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}	2321	};
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2322	}
		2323	}
2198		2324
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {	2325	sub db_get($$) {
2205	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2210	sub db_put($$;$) {	2336	sub db_put($$$) {
2211	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2212	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2213	} else {	2339	}
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218		2340
2219	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2220	prio => 10000,	2342
2221	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2222	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
2223	},	2373	}
2224	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
2225	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	local $SIG{__WARN__};
		2441	eval {
		2442	local $SIG{__DIE__};
		2443	close $fh1;
		2444
		2445	my @res = eval { $cb->(@args) };
		2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2447	};
		2448
		2449	warn $@ if $@;
		2450	_exit 0;
		2451	}
		2452	}
		2453
		2454
2226		2455
2227	#############################################################################	2456	#############################################################################
2228	# the server's main()	2457	# the server's init and main functions
		2458
		2459	sub load_facedata($) {
		2460	my ($path) = @_;
		2461
		2462	warn "loading facedata from $path\n";
		2463
		2464	my $facedata;
		2465	0 < aio_load $path, $facedata
		2466	or die "$path: $!";
		2467
		2468	$facedata = Coro::Storable::thaw $facedata;
		2469
		2470	$facedata->{version} == 2
		2471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2472
		2473	{
		2474	my $faces = $facedata->{faceinfo};
		2475
		2476	while (my ($face, $info) = each %$faces) {
		2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2481	Coro::cede;
		2482	}
		2483
		2484	while (my ($face, $info) = each %$faces) {
		2485	next unless $info->{smooth};
		2486	my $idx = cf::face::find $face
		2487	or next;
		2488	if (my $smooth = cf::face::find $info->{smooth}) {
		2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2490	} else {
		2491	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2492	}
		2493	Coro::cede;
		2494	}
		2495	}
		2496
		2497	{
		2498	my $anims = $facedata->{animinfo};
		2499
		2500	while (my ($anim, $info) = each %$anims) {
		2501	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2502	Coro::cede;
		2503	}
		2504
		2505	cf::anim::invalidate_all; # d'oh
		2506	}
		2507
		2508	1
		2509	}
		2510
		2511	sub reload_regions {
		2512	load_resource_file "$MAPDIR/regions"
		2513	or die "unable to load regions file\n";
		2514	}
		2515
		2516	sub reload_facedata {
		2517	load_facedata "$DATADIR/facedata"
		2518	or die "unable to load facedata\n";
		2519	}
		2520
		2521	sub reload_archetypes {
		2522	load_resource_file "$DATADIR/archetypes"
		2523	or die "unable to load archetypes\n";
		2524	}
		2525
		2526	sub reload_treasures {
		2527	load_resource_file "$DATADIR/treasures"
		2528	or die "unable to load treasurelists\n";
		2529	}
		2530
		2531	sub reload_resources {
		2532	warn "reloading resource files...\n";
		2533
		2534	reload_regions;
		2535	reload_facedata;
		2536	reload_archetypes;
		2537	reload_treasures;
		2538
		2539	warn "finished reloading resource files\n";
		2540	}
		2541
		2542	sub init {
		2543	reload_resources;
		2544	}
2229		2545
2230	sub cfg_load {	2546	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2547	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2548	or return;
2233		2549
2234	local $/;	2550	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2551	*CFG = YAML::Syck::Load <$fh>;
2236		2552
…		…
2250		2566
2251	sub main {	2567	sub main {
2252	# we must not ever block the main coroutine	2568	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2569	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2571	(async {
2255	async { Event::one_event };	2572	Event::one_event;
		2573	})->prio (Coro::PRIO_MAX);
2256	};	2574	};
2257		2575
2258	cfg_load;	2576	cfg_load;
2259	db_load;	2577	db_init;
2260	load_extensions;	2578	load_extensions;
		2579
		2580	$TICK_WATCHER->start;
2261	Event::loop;	2581	Event::loop;
2262	}	2582	}
2263		2583
2264	#############################################################################	2584	#############################################################################
2265	# initialisation and cleanup	2585	# initialisation and cleanup
2266		2586
2267	# install some emergency cleanup handlers	2587	# install some emergency cleanup handlers
2268	BEGIN {	2588	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2589	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2590	Event->signal (
		2591	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2592	data => WF_AUTOCANCEL,
2272	signal => $signal,	2593	signal => $signal,
		2594	prio => 0,
2273	cb => sub {	2595	cb => sub {
2274	cf::cleanup "SIG$signal";	2596	cf::cleanup "SIG$signal";
2275	},	2597	},
2276	);	2598	);
2277	}	2599	}
2278	}	2600	}
…		…
2283	warn "enter emergency perl save\n";	2605	warn "enter emergency perl save\n";
2284		2606
2285	cf::sync_job {	2607	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2608	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2609	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2610	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2611	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2612	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2613	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2614	$pl->valid or next;
2293	$pl->save;	2615	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2621	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2622	$map->valid or next;
2301	$map->save;	2623	$map->save;
2302	}	2624	}
2303	warn "end emergency map save\n";	2625	warn "end emergency map save\n";
		2626
		2627	warn "begin emergency database checkpoint\n";
		2628	BDB::db_env_txn_checkpoint $DB_ENV;
		2629	warn "end emergency database checkpoint\n";
2304	};	2630	};
2305		2631
2306	warn "leave emergency perl save\n";	2632	warn "leave emergency perl save\n";
2307	}	2633	}
2308		2634
		2635	sub post_cleanup {
		2636	my ($make_core) = @_;
		2637
		2638	warn Carp::longmess "post_cleanup backtrace"
		2639	if $make_core;
		2640	}
		2641
2309	sub reload() {	2642	sub do_reload_perl() {
2310	# can/must only be called in main	2643	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2644	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2645	warn "can only reload from main coroutine";
2313	return;	2646	return;
2314	}	2647	}
2315		2648
2316	warn "reloading...";	2649	warn "reloading...";
2317		2650
2318	my $guard = freeze_mainloop;	2651	warn "entering sync_job";
		2652
		2653	cf::sync_job {
		2654	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2655	cf::emergency_save;
		2656	cf::write_runtime; # external watchdog should not bark
2320		2657
2321	eval {	2658	warn "syncing database to disk";
		2659	BDB::db_env_txn_checkpoint $DB_ENV;
		2660
2322	# if anything goes wrong in here, we should simply crash as we already saved	2661	# if anything goes wrong in here, we should simply crash as we already saved
2323		2662
2324	# cancel all watchers	2663	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2664	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2666	}
2328		2667
		2668	warn "flushing outstanding aio requests";
		2669	for (;;) {
		2670	BDB::flush;
		2671	IO::AIO::flush;
		2672	Coro::cede;
		2673	last unless IO::AIO::nreqs || BDB::nreqs;
		2674	warn "iterate...";
		2675	}
		2676
		2677	++$RELOAD;
		2678
2329	# cancel all extension coros	2679	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2680	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2681	%EXT_CORO = ();
2332		2682
2333	# unload all extensions	2683	warn "removing commands";
2334	for (@exts) {	2684	%COMMAND = ();
		2685
		2686	warn "removing ext commands";
		2687	%EXTCMD = ();
		2688
		2689	warn "unloading/nuking all extensions";
		2690	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2691	warn "... unloading $pkg";
2336	unload_extension $_;	2692
		2693	if (my $cb = $pkg->can ("unload")) {
		2694	eval {
		2695	$cb->($pkg);
		2696	1
		2697	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2698	}
2338		2699
		2700	warn "... nuking $pkg";
		2701	Symbol::delete_package $pkg;
		2702	}
		2703
2339	# unload all modules loaded from $LIBDIR	2704	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2705	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2707
2343	warn "removing <$k>";	2708	warn "... unloading $k";
2344	delete $INC{$k};	2709	delete $INC{$k};
2345		2710
2346	$k =~ s/\.pm$//;	2711	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2712	$k =~ s/\//::/g;
2348		2713
…		…
2351	}	2716	}
2352		2717
2353	Symbol::delete_package $k;	2718	Symbol::delete_package $k;
2354	}	2719	}
2355		2720
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2721	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2722	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2724
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2725	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2726	delete $INC{"cf.pm"};
		2727	delete $INC{"cf/pod.pm"};
2369		2728
2370	# don't, removes xs symbols, too,	2729	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2730	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2731	#Symbol::delete_package __PACKAGE__;
2373		2732
2374	# reload cf.pm	2733	warn "unload completed, starting to reload now";
		2734
2375	warn "reloading cf.pm";	2735	warn "reloading cf.pm";
2376	require cf;	2736	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2738
2379	# load config and database again	2739	warn "loading config and database again";
2380	cf::cfg_load;	2740	cf::cfg_load;
2381	cf::db_load;
2382		2741
2383	# load extensions
2384	warn "load extensions";	2742	warn "loading extensions";
2385	cf::load_extensions;	2743	cf::load_extensions;
2386		2744
2387	# reattach attachments to objects	2745	warn "reattaching attachments to objects/players";
2388	warn "reattach";	2746	_global_reattach; # objects, sockets
2389	_global_reattach;	2747	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	2748	reattach $_ for values %MAP;
2391	};	2749	warn "reattaching attachments to players";
		2750	reattach $_ for values %PLAYER;
2392		2751
2393	if ($@) {	2752	warn "leaving sync_job";
		2753
		2754	1
		2755	} or do {
2394	warn $@;	2756	warn $@;
2395	warn "error while reloading, exiting.";	2757	warn "error while reloading, exiting.";
2396	exit 1;	2758	exit 1;
2397	}	2759	};
2398		2760
2399	warn "reloaded successfully";	2761	warn "reloaded";
2400	};	2762	};
2401		2763
2402	#############################################################################	2764	our $RELOAD_WATCHER; # used only during reload
2403		2765
2404	unless ($LINK_MAP) {	2766	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	2767	# doing reload synchronously and two reloads happen back-to-back,
		2768	# coro crashes during coro_state_free->destroy here.
2406		2769
2407	$LINK_MAP->width (41);	2770	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	2771	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	2772	after => 0,
		2773	data => WF_AUTOCANCEL,
2417	cb => sub {	2774	cb => sub {
2418	$_[0]->w->cancel;	2775	do_reload_perl;
2419		2776	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	2777	},
2438		2778	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	2779	}
2444
2445	register "<global>", __PACKAGE__;
2446		2780
2447	register_command "reload" => sub {	2781	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	2782	my ($who, $arg) = @_;
2449		2783
2450	if ($who->flag (FLAG_WIZ)) {	2784	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	2785	$who->message ("reloading server.");
		2786	async { reload_perl };
2454	}	2787	}
2455	};	2788	};
2456		2789
2457	unshift @INC, $LIBDIR;	2790	unshift @INC, $LIBDIR;
		2791
		2792	my $bug_warning = 0;
		2793
		2794	our @WAIT_FOR_TICK;
		2795	our @WAIT_FOR_TICK_BEGIN;
		2796
		2797	sub wait_for_tick {
		2798	return unless $TICK_WATCHER->is_active;
		2799	return if $Coro::current == $Coro::main;
		2800
		2801	my $signal = new Coro::Signal;
		2802	push @WAIT_FOR_TICK, $signal;
		2803	$signal->wait;
		2804	}
		2805
		2806	sub wait_for_tick_begin {
		2807	return unless $TICK_WATCHER->is_active;
		2808	return if $Coro::current == $Coro::main;
		2809
		2810	my $signal = new Coro::Signal;
		2811	push @WAIT_FOR_TICK_BEGIN, $signal;
		2812	$signal->wait;
		2813	}
2458		2814
2459	$TICK_WATCHER = Event->timer (	2815	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	2816	reentrant => 0,
		2817	parked => 1,
2461	prio => 0,	2818	prio => 0,
2462	at => $NEXT_TICK || $TICK,	2819	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	2820	data => WF_AUTOCANCEL,
2464	cb => sub {	2821	cb => sub {
		2822	if ($Coro::current != $Coro::main) {
		2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2824	unless ++$bug_warning > 10;
		2825	return;
		2826	}
		2827
		2828	$NOW = Event::time;
		2829
2465	cf::server_tick; # one server iteration	2830	cf::server_tick; # one server iteration
		2831
2466	$RUNTIME += $TICK;	2832	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	2833	$NEXT_TICK += $TICK;
2468		2834
2469	$WAIT_FOR_TICK->broadcast;	2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2836	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2837	Coro::async_pool {
		2838	write_runtime
		2839	or warn "ERROR: unable to write runtime file: $!";
		2840	};
		2841	}
		2842
		2843	# my $AFTER = Event::time;
		2844	# warn $AFTER - $NOW;#d#
2471		2845
2472	# if we are delayed by four ticks or more, skip them all	2846	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2474		2848
2475	$TICK_WATCHER->at ($NEXT_TICK);	2849	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	2850	$TICK_WATCHER->start;
		2851
		2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2853	$sig->send;
		2854	}
		2855	while (my $sig = shift @WAIT_FOR_TICK) {
		2856	$sig->send;
		2857	}
		2858
		2859	_post_tick;
2477	},	2860	},
2478	);	2861	);
2479		2862
		2863	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	2864	BDB::max_poll_time $TICK * 0.1;
2481		2865	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	2866	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	2867	fd => BDB::poll_fileno,
2484	poll => 'r',	2868	poll => 'r',
2485	prio => 5,	2869	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	2870	data => WF_AUTOCANCEL,
2492	after => 0,	2871	cb => \&BDB::poll_cb,
2493	interval => 10,	2872	);
2494	cb => sub {	2873	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	2874
2496	write_runtime	2875	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	2876	my $status;
		2877	my $current = $Coro::current;
		2878	(
		2879	sub {
		2880	$status = $!;
		2881	$current->ready; undef $current;
		2882	},
		2883	sub {
		2884	Coro::schedule while defined $current;
		2885	$! = $status;
		2886	},
		2887	)
		2888	};
		2889
		2890	unless ($DB_ENV) {
		2891	$DB_ENV = BDB::db_env_create;
		2892
		2893	cf::sync_job {
		2894	eval {
		2895	BDB::db_env_open
		2896	$DB_ENV,
		2897	$BDBDIR,
		2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2900	0666;
		2901
		2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2903
		2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2905	$DB_ENV->set_lk_detect;
		2906	};
		2907
		2908	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	2909	};
2499	},	2910	}
2500	);	2911	}
		2912
		2913	{
		2914	IO::AIO::min_parallel 8;
		2915
		2916	undef $Coro::AIO::WATCHER;
		2917	IO::AIO::max_poll_time $TICK * 0.1;
		2918	$AIO_POLL_WATCHER = Event->io (
		2919	reentrant => 0,
		2920	data => WF_AUTOCANCEL,
		2921	fd => IO::AIO::poll_fileno,
		2922	poll => 'r',
		2923	prio => 6,
		2924	cb => \&IO::AIO::poll_cb,
		2925	);
		2926	}
		2927
		2928	sub _log_backtrace {
		2929	my ($msg, @addr) = @_;
		2930
		2931	async {
		2932	my @bt = fork_call {
		2933	@addr = map { sprintf "%x", $_ } @addr;
		2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"
		2935	or die "addr2line: $!";
		2936
		2937	my @funcs;
		2938	my @res = <$fh>;
		2939	chomp for @res;
		2940	while (@res) {
		2941	my ($func, $line) = splice @res, 0, 2, ();
		2942	push @funcs, "[$func] $line";
		2943	}
		2944
		2945	@funcs
		2946	};
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	LOG llevInfo, "[ABT] $msg\n";
		2951	LOG llevInfo, "[ABT] $_\n" for @bt;
		2952	};
		2953	}
		2954
		2955	# load additional modules
		2956	use cf::pod;
2501		2957
2502	END { cf::emergency_save }	2958	END { cf::emergency_save }
2503		2959
2504	1	2960	1
2505		2961

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