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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.262 by root, Sat Apr 28 05:55:55 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		94
62	binmode STDOUT;	95	binmode STDOUT;
63	binmode STDERR;	96	binmode STDERR;
64		97
65	# read virtual server time, if available	98	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
70	}	103	}
71		104
72	mkdir cf::localdir;	105	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		107
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
81		111
82	#############################################################################	112	#############################################################################
83		113
84	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
85		115
…		…
92	=item $cf::RUNTIME	122	=item $cf::RUNTIME
93		123
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	125	every server tick.
96		126
97	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		130
99	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
101		135
102	=item $cf::NOW	136	=item $cf::NOW
103		137
104	The time of the last (current) server tick.	138	The time of the last (current) server tick.
105		139
…		…
110	=item %cf::CFG	144	=item %cf::CFG
111		145
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	147	from wherever your confdir points to.
114		148
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		150
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		154
122	=back	155	=back
123		156
124	=cut	157	=cut
125		158
126	BEGIN {	159	BEGIN {
127	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	161	my $msg = join "", @_;
129	utf8::encode $msg;
130		162
131	$msg .= "\n"	163	$msg .= "\n"
132	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
133		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
134	LOG llevError, $msg;	169	LOG llevError, $msg;
135	};	170	};
136	}	171	}
137		172
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	191	}
157		192
158	$Event::DIED = sub {	193	$Event::DIED = sub {
159	warn "error in event callback: @_";	194	warn "error in event callback: @_";
160	};	195	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		196
166	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
167		198
168	=over 4	199	=over 4
169		200
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	220	$d
190	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
191	}	222	}
192		223
193	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
194		225
195	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
196		227
197	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
198		229
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
207		231
208	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		233
217	=item cf::lock_wait $string	234	=item cf::lock_wait $string
218		235
219	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
220		237
…		…
226	returned.	243	returned.
227		244
228	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
230		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
231	=cut	252	=cut
232		253
233	our %LOCK;	254	our %LOCK;
234		255
235	sub lock_wait($) {	256	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
256	}	277	}
257	}	278	}
258		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
259	sub freeze_mainloop {	286	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
261		288
262	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
263	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
264	$guard	293	$guard
265	}	294	}
266		295
267	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
319	}	348	}
320	}	349	}
321		350
322	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
323		352
324	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	354	extension calling this is being unloaded.
326		355
327	=cut	356	=cut
328		357
329	sub async_ext(&) {	358	sub async_ext(&) {
…		…
338		367
339	$coro	368	$coro
340	}	369	}
341		370
342	sub write_runtime {	371	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
344		375
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	377	or return;
347		378
		379	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	384	and return;
351		385
		386	# always fsync - this file is important
352	aio_fsync $fh	387	aio_fsync $fh
353	and return;	388	and return;
354		389
355	close $fh	390	close $fh
356	or return;	391	or return;
…		…
359	and return;	394	and return;
360		395
361	1	396	1
362	}	397	}
363		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
364	=back	410	=back
365		411
366	=cut	412	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# 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	$self->deactivate_recursive;
1678		1868
1679	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1870
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1872	if $self->map;
1683		1873
1684	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1875	}
1686		1876
1687	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1689		1879
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1897	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1898	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1899	if $x <=0 && $y <= 0;
1710		1900
1711	$map->load;	1901	$map->load;
		1902	$map->load_diag;
1712		1903
1713	return unless $self->contr->active;	1904	return unless $self->contr->active;
1714	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1716	}	1909	}
1717		1910
1718	cf::player->attach (	1911	cf::player->attach (
1719	on_logout => sub {	1912	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1926	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1736	(async {	1929	(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,	1930	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1741	. "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.",
1742	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
1743	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1745	})->prio (2);	1938	})->prio (2);
1746	}	1939	}
1747	},	1940	},
…		…
1752	=cut	1945	=cut
1753		1946
1754	sub cf::object::player::goto {	1947	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1756		1949
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1950	$self->enter_link;
1761		1951
1762	(async {	1952	(async {
		1953	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1765		1956	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1767	# if $map;
1768
1769	$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);
1770		1959
1771	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1961	})->prio (1);
1773	}	1962	}
1774		1963
…		…
1778		1967
1779	sub parse_random_map_params {	1968	sub parse_random_map_params {
1780	my ($spec) = @_;	1969	my ($spec) = @_;
1781		1970
1782	my $rmp = { # defaults	1971	my $rmp = { # defaults
1783	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1785	};	1976	};
1786		1977
1787	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1789		1980
…		…
1793	$rmp	1984	$rmp
1794	}	1985	}
1795		1986
1796	sub prepare_random_map {	1987	sub prepare_random_map {
1797	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1991
1799	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1994	# that depends on the exit object
1802		1995
1803	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1804		1997
1805	if ($exit->map) {	1998	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1810	}	2003	}
1811		2004
1812	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1813		2006
1814	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1816		2010
1817	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) {
1818	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;
1819		2015
1820	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2017	$exit->msg (undef);
1822	}	2018	}
1823	}	2019	}
1824		2020
1825	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1827		2023
1828	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;
1829		2036
1830	$self->enter_link;	2037	$self->enter_link;
1831		2038
1832	(async {	2039	(async {
1833	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2041	unless (eval {
1835	prepare_random_map $exit	2042	$self->goto ($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		2043
1841	1;	2044	1;
1842	}) {	2045	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "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. "
1845	. "Please report this to the dungeon master",	2048	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2050
1848	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2052	$self->leave_link;
1850	}	2053	}
1851	})->prio (1);	2054	})->prio (1);
…		…
1864		2067
1865	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1867		2070
1868	utf8::encode $text;	2071	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2073	}
1871		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	}
1872		2087
1873	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1874		2089
1875	Queues a query to the client, calling the given callback with	2090	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>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2120	# get handled first
1906	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1907	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
1908		2123
1909	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2126
1911	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1912		2128
1913	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2130	if (@$queue) {
…		…
1972		2188
1973	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
1974		2190
1975	=pod	2191	=pod
1976		2192
1977	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
1978		2194
1979	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2196	cf::object::player player
1981	cf::player peaceful	2197	cf::player peaceful
1982	cf::map trigger	2198	cf::map trigger
…		…
2067	#############################################################################	2283	#############################################################################
2068		2284
2069	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
2070		2286
2071	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2289	convert to/from binary).
2074		2290
2075	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
2076	using it, it should be unique.	2292	using it, it should be unique.
2077		2293
2078	=over 4	2294	=over 4
2079		2295
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	2296	=item $value = cf::db_get $family => $key
2087		2297
2088	Returns a single value from the database	2298	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		2299
2095	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2096		2301
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	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		2303
2108	=cut	2304	=cut
2109		2305
2110	our $DB;	2306	our $DB;
2111		2307
2112	{	2308	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2114		2311
2115	sub db_load() {	2312	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2117	}	2314	$DB->set_flags (BDB::CHKSUM);
2118		2315
2119	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2319	};
2123	if (0 == ($pid = fork)) {	2320	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	}	2321	};
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	});	2322	}
		2323	}
2141		2324
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2325	sub db_get($$) {
2148	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2153	sub db_put($$;$) {	2336	sub db_put($$$) {
2154	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2339	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2340
2162	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2342
2164	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($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 "$src->[$_]: $!";
2166	},	2373	}
2167	);	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"
2168	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	reset_signals;
		2441	local $SIG{__WARN__};
		2442	local $SIG{__DIE__};
		2443	eval {
		2444	close $fh1;
		2445
		2446	my @res = eval { $cb->(@args) };
		2447	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2448	};
		2449
		2450	warn $@ if $@;
		2451	_exit 0;
		2452	}
		2453	}
		2454
		2455
2169		2456
2170	#############################################################################	2457	#############################################################################
2171	# the server's main()	2458	# the server's init and main functions
		2459
		2460	sub load_facedata($) {
		2461	my ($path) = @_;
		2462
		2463	warn "loading facedata from $path\n";
		2464
		2465	my $facedata;
		2466	0 < aio_load $path, $facedata
		2467	or die "$path: $!";
		2468
		2469	$facedata = Coro::Storable::thaw $facedata;
		2470
		2471	$facedata->{version} == 2
		2472	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2473
		2474	{
		2475	my $faces = $facedata->{faceinfo};
		2476
		2477	while (my ($face, $info) = each %$faces) {
		2478	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2479	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2480	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2481	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2482	Coro::cede;
		2483	}
		2484
		2485	while (my ($face, $info) = each %$faces) {
		2486	next unless $info->{smooth};
		2487	my $idx = cf::face::find $face
		2488	or next;
		2489	if (my $smooth = cf::face::find $info->{smooth}) {
		2490	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2491	} else {
		2492	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2493	}
		2494	Coro::cede;
		2495	}
		2496	}
		2497
		2498	{
		2499	my $anims = $facedata->{animinfo};
		2500
		2501	while (my ($anim, $info) = each %$anims) {
		2502	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2503	Coro::cede;
		2504	}
		2505
		2506	cf::anim::invalidate_all; # d'oh
		2507	}
		2508
		2509	1
		2510	}
		2511
		2512	sub reload_regions {
		2513	load_resource_file "$MAPDIR/regions"
		2514	or die "unable to load regions file\n";
		2515	}
		2516
		2517	sub reload_facedata {
		2518	load_facedata "$DATADIR/facedata"
		2519	or die "unable to load facedata\n";
		2520	}
		2521
		2522	sub reload_archetypes {
		2523	load_resource_file "$DATADIR/archetypes"
		2524	or die "unable to load archetypes\n";
		2525	}
		2526
		2527	sub reload_treasures {
		2528	load_resource_file "$DATADIR/treasures"
		2529	or die "unable to load treasurelists\n";
		2530	}
		2531
		2532	sub reload_resources {
		2533	warn "reloading resource files...\n";
		2534
		2535	reload_regions;
		2536	reload_facedata;
		2537	reload_archetypes;
		2538	reload_treasures;
		2539
		2540	warn "finished reloading resource files\n";
		2541	}
		2542
		2543	sub init {
		2544	reload_resources;
		2545	}
2172		2546
2173	sub cfg_load {	2547	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2548	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2549	or return;
2176		2550
2177	local $/;	2551	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2552	*CFG = YAML::Syck::Load <$fh>;
2179		2553
…		…
2193		2567
2194	sub main {	2568	sub main {
2195	# we must not ever block the main coroutine	2569	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2570	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2571	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2572	(async {
2198	async { Event::one_event };	2573	Event::one_event;
		2574	})->prio (Coro::PRIO_MAX);
2199	};	2575	};
2200		2576
2201	cfg_load;	2577	cfg_load;
2202	db_load;	2578	db_init;
2203	load_extensions;	2579	load_extensions;
		2580
		2581	$TICK_WATCHER->start;
2204	Event::loop;	2582	Event::loop;
2205	}	2583	}
2206		2584
2207	#############################################################################	2585	#############################################################################
2208	# initialisation and cleanup	2586	# initialisation and cleanup
2209		2587
2210	# install some emergency cleanup handlers	2588	# install some emergency cleanup handlers
2211	BEGIN {	2589	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2590	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2591	Event->signal (
		2592	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2215	signal => $signal,	2594	signal => $signal,
		2595	prio => 0,
2216	cb => sub {	2596	cb => sub {
2217	cf::cleanup "SIG$signal";	2597	cf::cleanup "SIG$signal";
2218	},	2598	},
2219	);	2599	);
2220	}	2600	}
2221	}	2601	}
…		…
2226	warn "enter emergency perl save\n";	2606	warn "enter emergency perl save\n";
2227		2607
2228	cf::sync_job {	2608	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2609	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2610	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2611	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2612	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2613	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2614	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2615	$pl->valid or next;
2236	$pl->save;	2616	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2622	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2623	$map->valid or next;
2244	$map->save;	2624	$map->save;
2245	}	2625	}
2246	warn "end emergency map save\n";	2626	warn "end emergency map save\n";
		2627
		2628	warn "begin emergency database checkpoint\n";
		2629	BDB::db_env_txn_checkpoint $DB_ENV;
		2630	warn "end emergency database checkpoint\n";
2247	};	2631	};
2248		2632
2249	warn "leave emergency perl save\n";	2633	warn "leave emergency perl save\n";
2250	}	2634	}
2251		2635
		2636	sub post_cleanup {
		2637	my ($make_core) = @_;
		2638
		2639	warn Carp::longmess "post_cleanup backtrace"
		2640	if $make_core;
		2641	}
		2642
2252	sub reload() {	2643	sub do_reload_perl() {
2253	# can/must only be called in main	2644	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2645	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2646	warn "can only reload from main coroutine";
2256	return;	2647	return;
2257	}	2648	}
2258		2649
2259	warn "reloading...";	2650	warn "reloading...";
2260		2651
2261	my $guard = freeze_mainloop;	2652	warn "entering sync_job";
		2653
		2654	cf::sync_job {
		2655	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2656	cf::emergency_save;
		2657	cf::write_runtime; # external watchdog should not bark
2263		2658
2264	eval {	2659	warn "syncing database to disk";
		2660	BDB::db_env_txn_checkpoint $DB_ENV;
		2661
2265	# if anything goes wrong in here, we should simply crash as we already saved	2662	# if anything goes wrong in here, we should simply crash as we already saved
2266		2663
2267	# cancel all watchers	2664	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2665	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2666	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2667	}
2271		2668
		2669	warn "flushing outstanding aio requests";
		2670	for (;;) {
		2671	BDB::flush;
		2672	IO::AIO::flush;
		2673	Coro::cede;
		2674	last unless IO::AIO::nreqs || BDB::nreqs;
		2675	warn "iterate...";
		2676	}
		2677
		2678	++$RELOAD;
		2679
2272	# cancel all extension coros	2680	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2681	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2682	%EXT_CORO = ();
2275		2683
2276	# unload all extensions	2684	warn "removing commands";
2277	for (@exts) {	2685	%COMMAND = ();
		2686
		2687	warn "removing ext commands";
		2688	%EXTCMD = ();
		2689
		2690	warn "unloading/nuking all extensions";
		2691	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2692	warn "... unloading $pkg";
2279	unload_extension $_;	2693
		2694	if (my $cb = $pkg->can ("unload")) {
		2695	eval {
		2696	$cb->($pkg);
		2697	1
		2698	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2699	}
2281		2700
		2701	warn "... nuking $pkg";
		2702	Symbol::delete_package $pkg;
		2703	}
		2704
2282	# unload all modules loaded from $LIBDIR	2705	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2706	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2707	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2708
2286	warn "removing <$k>";	2709	warn "... unloading $k";
2287	delete $INC{$k};	2710	delete $INC{$k};
2288		2711
2289	$k =~ s/\.pm$//;	2712	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2713	$k =~ s/\//::/g;
2291		2714
…		…
2294	}	2717	}
2295		2718
2296	Symbol::delete_package $k;	2719	Symbol::delete_package $k;
2297	}	2720	}
2298		2721
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2722	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2723	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2724	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2725
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2726	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2727	delete $INC{"cf.pm"};
		2728	delete $INC{"cf/pod.pm"};
2312		2729
2313	# don't, removes xs symbols, too,	2730	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2731	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2732	#Symbol::delete_package __PACKAGE__;
2316		2733
2317	# reload cf.pm	2734	warn "unload completed, starting to reload now";
		2735
2318	warn "reloading cf.pm";	2736	warn "reloading cf.pm";
2319	require cf;	2737	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2738	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2739
2322	# load config and database again	2740	warn "loading config and database again";
2323	cf::cfg_load;	2741	cf::cfg_load;
2324	cf::db_load;
2325		2742
2326	# load extensions
2327	warn "load extensions";	2743	warn "loading extensions";
2328	cf::load_extensions;	2744	cf::load_extensions;
2329		2745
2330	# reattach attachments to objects	2746	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2747	_global_reattach; # objects, sockets
2332	_global_reattach;	2748	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2749	reattach $_ for values %MAP;
2334	};	2750	warn "reattaching attachments to players";
		2751	reattach $_ for values %PLAYER;
2335		2752
2336	if ($@) {	2753	warn "leaving sync_job";
		2754
		2755	1
		2756	} or do {
2337	warn $@;	2757	warn $@;
2338	warn "error while reloading, exiting.";	2758	warn "error while reloading, exiting.";
2339	exit 1;	2759	exit 1;
2340	}	2760	};
2341		2761
2342	warn "reloaded successfully";	2762	warn "reloaded";
2343	};	2763	};
2344		2764
2345	#############################################################################	2765	our $RELOAD_WATCHER; # used only during reload
2346		2766
2347	unless ($LINK_MAP) {	2767	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	2768	# doing reload synchronously and two reloads happen back-to-back,
		2769	# coro crashes during coro_state_free->destroy here.
2349		2770
2350	$LINK_MAP->width (41);	2771	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2772	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,	2773	after => 0,
		2774	data => WF_AUTOCANCEL,
2360	cb => sub {	2775	cb => sub {
2361	$_[0]->w->cancel;	2776	do_reload_perl;
2362		2777	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	});	2778	},
2381		2779	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2780	}
2387
2388	register "<global>", __PACKAGE__;
2389		2781
2390	register_command "reload" => sub {	2782	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2783	my ($who, $arg) = @_;
2392		2784
2393	if ($who->flag (FLAG_WIZ)) {	2785	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2786	$who->message ("reloading server.");
		2787	async { reload_perl };
2397	}	2788	}
2398	};	2789	};
2399		2790
2400	unshift @INC, $LIBDIR;	2791	unshift @INC, $LIBDIR;
		2792
		2793	my $bug_warning = 0;
		2794
		2795	our @WAIT_FOR_TICK;
		2796	our @WAIT_FOR_TICK_BEGIN;
		2797
		2798	sub wait_for_tick {
		2799	return unless $TICK_WATCHER->is_active;
		2800	return if $Coro::current == $Coro::main;
		2801
		2802	my $signal = new Coro::Signal;
		2803	push @WAIT_FOR_TICK, $signal;
		2804	$signal->wait;
		2805	}
		2806
		2807	sub wait_for_tick_begin {
		2808	return unless $TICK_WATCHER->is_active;
		2809	return if $Coro::current == $Coro::main;
		2810
		2811	my $signal = new Coro::Signal;
		2812	push @WAIT_FOR_TICK_BEGIN, $signal;
		2813	$signal->wait;
		2814	}
2401		2815
2402	$TICK_WATCHER = Event->timer (	2816	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2817	reentrant => 0,
		2818	parked => 1,
2404	prio => 0,	2819	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2820	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2821	data => WF_AUTOCANCEL,
2407	cb => sub {	2822	cb => sub {
		2823	if ($Coro::current != $Coro::main) {
		2824	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2825	unless ++$bug_warning > 10;
		2826	return;
		2827	}
		2828
		2829	$NOW = Event::time;
		2830
2408	cf::server_tick; # one server iteration	2831	cf::server_tick; # one server iteration
		2832
2409	$RUNTIME += $TICK;	2833	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2834	$NEXT_TICK += $TICK;
2411		2835
2412	$WAIT_FOR_TICK->broadcast;	2836	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2837	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2838	Coro::async_pool {
		2839	write_runtime
		2840	or warn "ERROR: unable to write runtime file: $!";
		2841	};
		2842	}
		2843
		2844	# my $AFTER = Event::time;
		2845	# warn $AFTER - $NOW;#d#
2414		2846
2415	# if we are delayed by four ticks or more, skip them all	2847	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2848	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2849
2418	$TICK_WATCHER->at ($NEXT_TICK);	2850	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2851	$TICK_WATCHER->start;
		2852
		2853	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2854	$sig->send;
		2855	}
		2856	while (my $sig = shift @WAIT_FOR_TICK) {
		2857	$sig->send;
		2858	}
		2859
		2860	_post_tick;
2420	},	2861	},
2421	);	2862	);
2422		2863
		2864	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2865	BDB::max_poll_time $TICK * 0.1;
2424		2866	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2867	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2868	fd => BDB::poll_fileno,
2427	poll => 'r',	2869	poll => 'r',
2428	prio => 5,	2870	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2871	data => WF_AUTOCANCEL,
2435	after => 0,	2872	cb => \&BDB::poll_cb,
2436	interval => 10,	2873	);
2437	cb => sub {	2874	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2875
2439	write_runtime	2876	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2877	my $status;
		2878	my $current = $Coro::current;
		2879	(
		2880	sub {
		2881	$status = $!;
		2882	$current->ready; undef $current;
		2883	},
		2884	sub {
		2885	Coro::schedule while defined $current;
		2886	$! = $status;
		2887	},
		2888	)
		2889	};
		2890
		2891	unless ($DB_ENV) {
		2892	$DB_ENV = BDB::db_env_create;
		2893
		2894	cf::sync_job {
		2895	eval {
		2896	BDB::db_env_open
		2897	$DB_ENV,
		2898	$BDBDIR,
		2899	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2900	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2901	0666;
		2902
		2903	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2904
		2905	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2906	$DB_ENV->set_lk_detect;
		2907	};
		2908
		2909	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2910	};
2442	},	2911	}
2443	);	2912	}
		2913
		2914	{
		2915	IO::AIO::min_parallel 8;
		2916
		2917	undef $Coro::AIO::WATCHER;
		2918	IO::AIO::max_poll_time $TICK * 0.1;
		2919	$AIO_POLL_WATCHER = Event->io (
		2920	reentrant => 0,
		2921	data => WF_AUTOCANCEL,
		2922	fd => IO::AIO::poll_fileno,
		2923	poll => 'r',
		2924	prio => 6,
		2925	cb => \&IO::AIO::poll_cb,
		2926	);
		2927	}
		2928
		2929	my $_log_backtrace;
		2930
		2931	sub _log_backtrace {
		2932	my ($msg, @addr) = @_;
		2933
		2934	$msg =~ s/\n//;
		2935
		2936	# limit the # of concurrent backtraces
		2937	if ($_log_backtrace < 2) {
		2938	++$_log_backtrace;
		2939	async {
		2940	my @bt = fork_call {
		2941	@addr = map { sprintf "%x", $_ } @addr;
		2942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2944	or die "addr2line: $!";
		2945
		2946	my @funcs;
		2947	my @res = <$fh>;
		2948	chomp for @res;
		2949	while (@res) {
		2950	my ($func, $line) = splice @res, 0, 2, ();
		2951	push @funcs, "[$func] $line";
		2952	}
		2953
		2954	@funcs
		2955	};
		2956
		2957	LOG llevInfo, "[ABT] $msg\n";
		2958	LOG llevInfo, "[ABT] $_\n" for @bt;
		2959	--$_log_backtrace;
		2960	};
		2961	} else {
		2962	LOG llevInfo, "[ABT] $msg\n";
		2963	LOG llevInfo, "[ABT] [suppressed]\n";
		2964	}
		2965	}
		2966
		2967	# load additional modules
		2968	use cf::pod;
2444		2969
2445	END { cf::emergency_save }	2970	END { cf::emergency_save }
2446		2971
2447	1	2972	1
2448		2973

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