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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
344		373
		374	# first touch the runtime file to show we are still running:
		375	# the fsync below can take a very very long time.
		376
		377	warn "touching runtime...\n";#d#
		378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		379	utime undef, undef, $fh;
		380	}
		381
		382	my $guard = cf::lock_acquire "write_runtime";
		383
		384	warn "starting to write runtime...\n";#d#
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	386	or return;
347		387
		388	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	389	# 10 is the runtime save interval, for a monotonic clock
		390	# 60 allows for the watchdog to kill the server.
		391
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	393	and return;
351		394
		395	# always fsync - this file is important
352	aio_fsync $fh	396	aio_fsync $fh
353	and return;	397	and return;
354		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
355	close $fh	402	close $fh
356	or return;	403	or return;
357		404
358	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
359	and return;	406	and return;
360		407
		408	warn "... done writing runtime.\n";#d#
		409
361	1	410	1
362	}	411	}
363		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		422	}
		423
364	=back	424	=back
365		425
366	=cut	426	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		427
495	#############################################################################	428	#############################################################################
496		429
497	=head2 ATTACHABLE OBJECTS	430	=head2 ATTACHABLE OBJECTS
498		431
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	557	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	558	our @CB_MAP = ();
626		559
627	my %attachment;	560	my %attachment;
628		561
		562	sub cf::attachable::thawer_merge {
		563	# simply override everything except _meta
		564	local $_[0]{_meta};
		565	%{$_[0]} = %{$_[1]};
		566	}
		567
629	sub _attach_cb($$$$) {	568	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	569	my ($registry, $event, $prio, $cb) = @_;
631		570
632	use sort 'stable';	571	use sort 'stable';
633		572
…		…
804	# object support	743	# object support
805		744
806	sub reattach {	745	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	746	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	747	my ($obj) = @_;
		748
		749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		750
810	my $registry = $obj->registry;	751	my $registry = $obj->registry;
811		752
812	@$registry = ();	753	@$registry = ();
813		754
…		…
860	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
861		802
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	807	close $fh;
867		808
868	if (@$objs) {	809	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	815	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
876	}	817	}
877	} else {	818	} else {
878	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
945	=cut	886	=cut
946		887
947	sub register_extcmd {	888	sub register_extcmd {
948	my ($name, $cb) = @_;	889	my ($name, $cb) = @_;
949		890
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	891	$EXTCMD{$name} = $cb;
954	}	892	}
955		893
956	cf::player->attach (	894	cf::player->attach (
957	on_command => sub {	895	on_command => sub {
958	my ($pl, $name, $params) = @_;	896	my ($pl, $name, $params) = @_;
…		…
971		909
972	my $msg = eval { from_json $buf };	910	my $msg = eval { from_json $buf };
973		911
974	if (ref $msg) {	912	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	914	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	915	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	916	}
979	}	917	}
980	} else {	918	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		921
984	cf::override;	922	cf::override;
985	},	923	},
986	);	924	);
987		925
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	926	sub load_extension {
995	my ($path) = @_;	927	my ($path) = @_;
996		928
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	930	my $base = $1;
999	my $pkg = $1;	931	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	932	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	933	$pkg = "ext::$pkg";
1002		934
1003	warn "loading '$path' into '$pkg'\n";	935	warn "... loading '$path' into '$pkg'\n";
1004		936
1005	open my $fh, "<:utf8", $path	937	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	938	or die "$path: $!";
1007		939
1008	my $source =	940	my $source =
1009	"package $pkg; use strict; use utf8;\n"	941	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	942	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	943	. (do { local $/; <$fh> })
1012	. "\n};\n1";	944	. "\n};\n1";
1013		945
1014	eval $source	946	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	947	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	948	: "extension disabled.\n";
1017		949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	950	warn $@;
1019	$ext_pkg{$base} = $pkg;	951	warn "mandatory extension failed to load, exiting.\n";
1020		952	exit 1;
1021	# no strict 'refs';	953	}
1022	# @{"$pkg\::ISA"} = ext::;	954	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	955	}
1037		956
1038	# remove commands	957	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	958	}
1063		959
1064	sub load_extensions {	960	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	962	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
1071	}	967	}
1072	}	968	}
1073		969
1074	#############################################################################	970	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		971
1090	=head2 CORE EXTENSIONS	972	=head2 CORE EXTENSIONS
1091		973
1092	Functions and methods that extend core crossfire objects.	974	Functions and methods that extend core crossfire objects.
1093		975
…		…
1106	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
1107		989
1108	=cut	990	=cut
1109		991
1110	sub playerdir($) {	992	sub playerdir($) {
1111	cf::localdir	993	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	995	}
1117		996
1118	sub path($) {	997	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		999
1121	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
1122	}	1001	}
1123		1002
1124	sub find_active($) {	1003	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
1129		1008
1130	sub exists($) {	1009	sub exists($) {
1131	my ($login) = @_;	1010	my ($login) = @_;
1132		1011
1133	$cf::PLAYER{$login}	1012	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1013	or cf::sync_job { !aio_stat path $login }
1135	}	1014	}
1136		1015
1137	sub find($) {	1016	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1017	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1018	my $login = $_[0];
1140		1019
1141	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
1142		1021
1143	$cf::PLAYER{$_[0]} || do {	1022	$cf::PLAYER{$_[0]} || do {
		1023	# rename old playerfiles to new ones
		1024	#TODO: remove when no longer required
		1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1028	aio_unlink +(playerdir $login) . "/$login.pl";
		1029
1144	my $pl = load_pl path $login	1030	my $pl = load_pl path $login
1145	or return;	1031	or return;
1146	$cf::PLAYER{$login} = $pl	1032	$cf::PLAYER{$login} = $pl
1147	}	1033	}
1148	}	1034	}
…		…
1185		1071
1186	=cut	1072	=cut
1187		1073
1188	sub quit_character {	1074	sub quit_character {
1189	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1190		1078
1191	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1080	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1081
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1089	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1091	$pl->destroy;
		1092
		1093	my $prefix = qr<^~\Q$name\E/>;
		1094
		1095	# nuke player maps
		1096	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1097
1204	IO::AIO::aio_rmtree $temp;	1098	IO::AIO::aio_rmtree $temp;
		1099	}
		1100
		1101	=item $pl->kick
		1102
		1103	Kicks a player out of the game. This destroys the connection.
		1104
		1105	=cut
		1106
		1107	sub kick {
		1108	my ($pl, $kicker) = @_;
		1109
		1110	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1111	$pl->killer ("kicked");
		1112	$pl->ns->destroy;
1205	}	1113	}
1206		1114
1207	=item cf::player::list_logins	1115	=item cf::player::list_logins
1208		1116
1209	Returns am arrayref of all valid playernames in the system, can take a	1117	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1211		1119
1212	=cut	1120	=cut
1213		1121
1214	sub list_logins {	1122	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1124	or return [];
1217		1125
1218	my @logins;	1126	my @logins;
1219		1127
1220	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
…		…
1229	\@logins	1137	\@logins
1230	}	1138	}
1231		1139
1232	=item $player->maps	1140	=item $player->maps
1233		1141
1234	Returns an arrayref of cf::path's of all maps that are private for this	1142	Returns an arrayref of map paths that are private for this
1235	player. May block.	1143	player. May block.
1236		1144
1237	=cut	1145	=cut
1238		1146
1239	sub maps($) {	1147	sub maps($) {
1240	my ($pl) = @_;	1148	my ($pl) = @_;
		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1151
1242	my $files = aio_readdir playerdir $pl	1152	my $files = aio_readdir playerdir $pl
1243	or return;	1153	or return;
1244		1154
1245	my @paths;	1155	my @paths;
…		…
1247	for (@$files) {	1157	for (@$files) {
1248	utf8::decode $_;	1158	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1159	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1160	next unless /^$PATH_SEP/o;
1251		1161
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1162	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1163	}
1254		1164
1255	\@paths	1165	\@paths
1256	}	1166	}
1257		1167
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1259		1169
1260	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1261		1171
1262	=cut	1172	=cut
1263		1173
1264	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1266		1176
1267	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1268		1178
1269	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1270	}	1180	}
1271		1181
1272	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		1189	my ($self, $type, %msg) = @_;
		1190
		1191	$self->ns->ext_event ($type, %msg);
		1192	}
		1193
		1194	=head3 cf::region
		1195
		1196	=over 4
		1197
		1198	=cut
		1199
		1200	package cf::region;
		1201
		1202	=item cf::region::find_by_path $path
		1203
		1204	Tries to decuce the probable region for a map knowing only its path.
		1205
		1206	=cut
		1207
		1208	sub find_by_path($) {
		1209	my ($path) = @_;
		1210
		1211	my ($match, $specificity);
		1212
		1213	for my $region (list) {
		1214	if ($region->match && $path =~ $region->match) {
		1215	($match, $specificity) = ($region, $region->specificity)
		1216	if $region->specificity > $specificity;
		1217	}
		1218	}
		1219
		1220	$match
		1221	}
1273		1222
1274	=back	1223	=back
1275
1276		1224
1277	=head3 cf::map	1225	=head3 cf::map
1278		1226
1279	=over 4	1227	=over 4
1280		1228
…		…
1283	package cf::map;	1231	package cf::map;
1284		1232
1285	use Fcntl;	1233	use Fcntl;
1286	use Coro::AIO;	1234	use Coro::AIO;
1287		1235
		1236	use overload
		1237	'""' => \&as_string,
		1238	fallback => 1;
		1239
1288	our $MAX_RESET = 3600;	1240	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1241	our $DEFAULT_RESET = 3000;
1290		1242
1291	sub generate_random_map {	1243	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1244	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1245	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1246	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1250	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1251	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1257	(cf::region::find $rmp->{region}), $rmp->{custom}
		1258	)
		1259	}
		1260
		1261	=item cf::map->register ($regex, $prio)
		1262
		1263	Register a handler for the map path matching the given regex at the
		1264	givne priority (higher is better, built-in handlers have priority 0, the
		1265	default).
		1266
		1267	=cut
		1268
		1269	sub register {
		1270	my (undef, $regex, $prio) = @_;
		1271	my $pkg = caller;
		1272
		1273	no strict;
		1274	push @{"$pkg\::ISA"}, __PACKAGE__;
		1275
		1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1277	}
		1278
		1279	# also paths starting with '/'
		1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1281
		1282	sub thawer_merge {
		1283	my ($self, $merge) = @_;
		1284
		1285	# we have to keep some variables in memory intact
		1286	local $self->{path};
		1287	local $self->{load_path};
		1288	local $self->{deny_save};
		1289	local $self->{deny_reset};
		1290
		1291	$self->SUPER::thawer_merge ($merge);
		1292	}
		1293
		1294	sub normalise {
		1295	my ($path, $base) = @_;
		1296
		1297	$path = "$path"; # make sure its a string
		1298
		1299	$path =~ s/\.map$//;
		1300
		1301	# map plan:
		1302	#
		1303	# /! non-realised random map exit (special hack!)
		1304	# {... are special paths that are not being touched
		1305	# ?xxx/... are special absolute paths
		1306	# ?random/... random maps
		1307	# /... normal maps
		1308	# ~user/... per-player map of a specific user
		1309
		1310	$path =~ s/$PATH_SEP/\//go;
		1311
		1312	# treat it as relative path if it starts with
		1313	# something that looks reasonable
		1314	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1315	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1316
		1317	$base =~ s{[^/]+/?$}{};
		1318	$path = "$base/$path";
		1319	}
		1320
		1321	for ($path) {
		1322	redo if s{//}{/};
		1323	redo if s{/\.?/}{/};
		1324	redo if s{/[^/]+/\.\./}{/};
		1325	}
		1326
		1327	$path
		1328	}
		1329
		1330	sub new_from_path {
		1331	my (undef, $path, $base) = @_;
		1332
		1333	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1334
		1335	$path = normalise $path, $base;
		1336
		1337	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1338	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1339	my $self = bless cf::map::new, $pkg;
		1340	$self->{path} = $path; $self->path ($path);
		1341	$self->init; # pass $1 etc.
		1342	return $self;
		1343	}
		1344	}
		1345
		1346	Carp::carp "unable to resolve path '$path' (base '$base').";
		1347	()
		1348	}
		1349
		1350	sub init {
		1351	my ($self) = @_;
		1352
		1353	$self
		1354	}
		1355
		1356	sub as_string {
		1357	my ($self) = @_;
		1358
		1359	"$self->{path}"
		1360	}
		1361
		1362	# the displayed name, this is a one way mapping
		1363	sub visible_name {
		1364	&as_string
		1365	}
		1366
		1367	# the original (read-only) location
		1368	sub load_path {
		1369	my ($self) = @_;
		1370
		1371	"$MAPDIR/$self->{path}.map"
		1372	}
		1373
		1374	# the temporary/swap location
		1375	sub save_path {
		1376	my ($self) = @_;
		1377
		1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1379	"$TMPDIR/$path.map"
		1380	}
		1381
		1382	# the unique path, undef == no special unique path
		1383	sub uniq_path {
		1384	my ($self) = @_;
		1385
		1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1387	"$UNIQUEDIR/$path"
1308	}	1388	}
1309		1389
1310	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1311	# all maps in C++...	1391	# all maps in C++...
1312	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1314		1394
1315	$_->change_map_light ($change)	1395	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1396	for grep $_->outdoor, values %cf::MAP;
1317	}	1397	}
1318		1398
		1399	sub unlink_save {
		1400	my ($self) = @_;
		1401
		1402	utf8::encode (my $save = $self->save_path);
		1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1404	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1405	}
		1406
1319	sub try_load_header($) {	1407	sub load_header_from($) {
1320	my ($path) = @_;	1408	my ($self, $path) = @_;
1321		1409
1322	utf8::encode $path;	1410	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
		1412	# or return;
		1413
		1414	$self->_load_header ($path)
1324	or return;	1415	or return;
1325		1416
1326	my $map = cf::map::new	1417	$self->{load_path} = $path;
		1418
		1419	1
		1420	}
		1421
		1422	sub load_header_orig {
		1423	my ($self) = @_;
		1424
		1425	$self->load_header_from ($self->load_path)
		1426	}
		1427
		1428	sub load_header_temp {
		1429	my ($self) = @_;
		1430
		1431	$self->load_header_from ($self->save_path)
		1432	}
		1433
		1434	sub prepare_temp {
		1435	my ($self) = @_;
		1436
		1437	$self->last_access ((delete $self->{last_access})
		1438	|| $cf::RUNTIME); #d#
		1439	# safety
		1440	$self->{instantiate_time} = $cf::RUNTIME
		1441	if $self->{instantiate_time} > $cf::RUNTIME;
		1442	}
		1443
		1444	sub prepare_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->{load_original} = 1;
		1448	$self->{instantiate_time} = $cf::RUNTIME;
		1449	$self->last_access ($cf::RUNTIME);
		1450	$self->instantiate;
		1451	}
		1452
		1453	sub load_header {
		1454	my ($self) = @_;
		1455
		1456	if ($self->load_header_temp) {
		1457	$self->prepare_temp;
		1458	} else {
		1459	$self->load_header_orig
1327	or return;	1460	or return;
		1461	$self->prepare_orig;
		1462	}
1328		1463
1329	# for better error messages only, will be overwritten	1464	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1465	unless $self->default_region;
1331		1466
1332	$map->load_header ($path)	1467	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1468	}
1339		1469
1340	sub find;	1470	sub find;
1341	sub find {	1471	sub find {
1342	my ($path, $origin) = @_;	1472	my ($path, $origin) = @_;
1343		1473
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1474	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1475
1349	cf::lock_wait "map_find:$key";	1476	cf::lock_wait "map_find:$path";
1350		1477
1351	$cf::MAP{$key} || do {	1478	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1479	my $guard = cf::lock_acquire "map_find:$path";
1353		1480	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1481	or return;
1373		1482
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1483	$map->{last_save} = $cf::RUNTIME;
1386		1484
1387	Coro::cede;	1485	$map->load_header
		1486	or return;
1388		1487
1389	if ($map->should_reset) {	1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1489	# doing this can freeze the server in a sync job, obviously
		1490	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1491	$map->reset;
1391	undef $guard;	1492	undef $guard;
1392	$map = find $path	1493	return find $path;
1393	or return;
1394	}	1494	}
1395		1495
1396	$cf::MAP{$key} = $map	1496	$cf::MAP{$path} = $map
1397	}	1497	}
1398	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1399		1502
1400	sub load {	1503	sub load {
1401	my ($self) = @_;	1504	my ($self) = @_;
1402		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1403	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1511	my $guard = cf::lock_acquire "map_load:$path";
1405		1512
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1514
1408	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1409		1516
1410	$self->alloc;	1517	$self->alloc;
		1518
		1519	$self->pre_load;
		1520	Coro::cede;
		1521
1411	$self->load_objects ($self->{load_path}, 1)	1522	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1523	or return;
1413		1524
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1526	if delete $self->{load_original};
1416		1527
1417	if (my $uniq = $path->uniq_path) {	1528	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1529	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1530	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1531	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1532	$self->_load_objects ($uniq, 0);
1422	}	1533	}
1423	}	1534	}
1424		1535
1425	Coro::cede;	1536	Coro::cede;
1426
1427	# now do the right thing for maps	1537	# now do the right thing for maps
1428	$self->link_multipart_objects;	1538	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1540	unless $self->difficulty;
		1541	Coro::cede;
		1542
		1543	unless ($self->{deny_activate}) {
		1544	$self->decay_objects;
		1545	$self->fix_auto_apply;
		1546	$self->update_buttons;
		1547	Coro::cede;
		1548	$self->set_darkness_map;
		1549	Coro::cede;
1440	$self->activate;	1550	$self->activate;
1441	}	1551	}
1442		1552
1443	Coro::cede;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1553	$self->in_memory (cf::MAP_IN_MEMORY);
		1554	}
		1555
		1556	$self->post_load;
		1557	}
		1558
		1559	sub customise_for {
		1560	my ($self, $ob) = @_;
		1561
		1562	return find "~" . $ob->name . "/" . $self->{path}
		1563	if $self->per_player;
		1564
		1565	$self
1446	}	1566	}
1447		1567
1448	# find and load all maps in the 3x3 area around a map	1568	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1569	sub load_diag {
1450	my ($map) = @_;	1570	my ($map) = @_;
…		…
1480		1600
1481	cf::sync_job { $map->load };	1601	cf::sync_job { $map->load };
1482	}	1602	}
1483		1603
1484	our %MAP_PREFETCH;	1604	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1605	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1606
1500	sub find_async {	1607	sub find_async {
1501	my ($path, $origin) = @_;	1608	my ($path, $origin) = @_;
1502		1609
1503	$path = new cf::path $path, $origin && $origin->path;	1610	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1611
1506	if (my $map = $cf::MAP{$key}) {	1612	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1614	}
1509		1615
1510	$MAP_PREFETCH{$key} = $path;	1616	undef $MAP_PREFETCH{$path};
		1617	$MAP_PREFETCHER ||= cf::async {
		1618	while (%MAP_PREFETCH) {
		1619	for my $path (keys %MAP_PREFETCH) {
		1620	my $map = find $path
		1621	or next;
		1622	$map->load;
		1623
		1624	delete $MAP_PREFETCH{$path};
		1625	}
		1626	}
		1627	undef $MAP_PREFETCHER;
		1628	};
1511	$MAP_PREFETCHER->ready;	1629	$MAP_PREFETCHER->prio (6);
1512		1630
1513	()	1631	()
1514	}	1632	}
1515		1633
1516	sub save {	1634	sub save {
…		…
1520		1638
1521	$self->{last_save} = $cf::RUNTIME;	1639	$self->{last_save} = $cf::RUNTIME;
1522		1640
1523	return unless $self->dirty;	1641	return unless $self->dirty;
1524		1642
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1643	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1644	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1645
1528	$self->{load_path} = $save;	1646	$self->{load_path} = $save;
1529		1647
1530	return if $self->{deny_save};	1648	return if $self->{deny_save};
1531		1649
…		…
1534	cf::async {	1652	cf::async {
1535	$_->contr->save for $self->players;	1653	$_->contr->save for $self->players;
1536	};	1654	};
1537		1655
1538	if ($uniq) {	1656	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1659	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1661	}
1544	}	1662	}
1545		1663
1546	sub swap_out {	1664	sub swap_out {
1547	my ($self) = @_;	1665	my ($self) = @_;
…		…
1561		1679
1562	sub reset_at {	1680	sub reset_at {
1563	my ($self) = @_;	1681	my ($self) = @_;
1564		1682
1565	# TODO: safety, remove and allow resettable per-player maps	1683	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1685	return 1e99 if $self->{deny_reset};
1568		1686
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1689
…		…
1576	my ($self) = @_;	1694	my ($self) = @_;
1577		1695
1578	$self->reset_at <= $cf::RUNTIME	1696	$self->reset_at <= $cf::RUNTIME
1579	}	1697	}
1580		1698
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1699	sub reset {
1603	my ($self) = @_;	1700	my ($self) = @_;
1604		1701
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1702	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1703
1607	return if $self->players;	1704	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1609		1706
1610	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1611		1708
		1709	$self->in_memory (cf::MAP_SWAPPED);
		1710
		1711	# need to save uniques path
		1712	unless ($self->{deny_save}) {
		1713	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1714
		1715	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1716	if $uniq;
		1717	}
		1718
1612	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->clear;
1613		1722
1614	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1615		1724
1616	$self->unlink_save;	1725	$self->unlink_save;
1617	$self->destroy;	1726	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1729	my $nuke_counter = "aaaa";
1621		1730
1622	sub nuke {	1731	sub nuke {
1623	my ($self) = @_;	1732	my ($self) = @_;
1624		1733
		1734	delete $cf::MAP{$self->path};
		1735
		1736	$self->unlink_save;
		1737
		1738	bless $self, "cf::map";
		1739	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1740	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1741	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1743
		1744	$cf::MAP{$self->path} = $self;
		1745
1628	$self->reset; # polite request, might not happen	1746	$self->reset; # polite request, might not happen
1629	}	1747	}
1630		1748
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1749	=item cf::map::unique_maps
1642		1750
1643	Returns an arrayref of cf::path's of all shared maps that have	1751	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1752	instantiated unique items. May block.
1645		1753
1646	=cut	1754	=cut
1647		1755
1648	sub unique_maps() {	1756	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1757	my $files = aio_readdir $UNIQUEDIR
1650	or return;	1758	or return;
1651		1759
1652	my @paths;	1760	my @paths;
1653		1761
1654	for (@$files) {	1762	for (@$files) {
1655	utf8::decode $_;	1763	utf8::decode $_;
1656	next if /\.pst$/;	1764	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1765	next unless /^$PATH_SEP/o;
1658		1766
1659	push @paths, new cf::path $_;	1767	push @paths, cf::map::normalise $_;
1660	}	1768	}
1661		1769
1662	\@paths	1770	\@paths
1663	}	1771	}
1664		1772
…		…
1739		1847
1740	=item $player_object->enter_link	1848	=item $player_object->enter_link
1741		1849
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1850	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1851
1744	The player should be reaosnably safe there for short amounts of time. You	1852	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1853	I<MUST> call C<leave_link> as soon as possible, though.
1746		1854
		1855	Will never block.
		1856
1747	=item $player_object->leave_link ($map, $x, $y)	1857	=item $player_object->leave_link ($map, $x, $y)
1748		1858
1749	Moves the player out of the specila link map onto the given map. If the	1859	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1860	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1861	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1862	fails, to the emergency map position.
1753		1863
1754	Might block.	1864	Might block.
1755		1865
1756	=cut	1866	=cut
		1867
		1868	sub link_map {
		1869	unless ($LINK_MAP) {
		1870	$LINK_MAP = cf::map::find "{link}"
		1871	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1872	$LINK_MAP->load;
		1873	}
		1874
		1875	$LINK_MAP
		1876	}
1757		1877
1758	sub cf::object::player::enter_link {	1878	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1879	my ($self) = @_;
1760		1880
1761	$self->deactivate_recursive;	1881	$self->deactivate_recursive;
1762		1882
1763	return if $self->map == $LINK_MAP;	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1884
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1886	if $self->map;
1767		1887
1768	$self->enter_map ($LINK_MAP, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1889	}
1770		1890
1771	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1773		1893
…		…
1795	$map->load;	1915	$map->load;
1796	$map->load_diag;	1916	$map->load_diag;
1797		1917
1798	return unless $self->contr->active;	1918	return unless $self->contr->active;
1799	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1801	}	1923	}
1802		1924
1803	cf::player->attach (	1925	cf::player->attach (
1804	on_logout => sub {	1926	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1940	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1821	(async {	1943	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1944	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1946	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1947	cf::NDI_RED);
		1948	# we need this sleep as the login has a concurrent enter_exit running
		1949	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1830	})->prio (2);	1952	})->prio (2);
1831	}	1953	}
1832	},	1954	},
…		…
1837	=cut	1959	=cut
1838		1960
1839	sub cf::object::player::goto {	1961	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1841		1963
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1964	$self->enter_link;
1845		1965
1846	(async {	1966	(async {
		1967	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1968	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1849		1970	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1973
1855	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1975	})->prio (1);
1857	}	1976	}
1858		1977
…		…
1862		1981
1863	sub parse_random_map_params {	1982	sub parse_random_map_params {
1864	my ($spec) = @_;	1983	my ($spec) = @_;
1865		1984
1866	my $rmp = { # defaults	1985	my $rmp = { # defaults
1867	xsize => 10,	1986	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1987	ysize => (cf::rndm 15, 40),
		1988	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1989	#layout => string,
1869	};	1990	};
1870		1991
1871	for (split /\n/, $spec) {	1992	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1993	my ($k, $v) = split /\s+/, $_, 2;
1873		1994
…		…
1877	$rmp	1998	$rmp
1878	}	1999	}
1879		2000
1880	sub prepare_random_map {	2001	sub prepare_random_map {
1881	my ($exit) = @_;	2002	my ($exit) = @_;
		2003
		2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2005
1883	# all this does is basically replace the /! path by	2006	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2007	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2008	# that depends on the exit object
1886		2009
1887	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1888		2011
1889	if ($exit->map) {	2012	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1894	}	2017	}
1895		2018
1896	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1897		2020
1898	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
		2023	my $meta = "$RANDOMDIR/$md5.meta";
1900		2024
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2026	aio_write $fh, 0, (length $data), $data, 0;
		2027	undef $fh;
		2028	aio_rename "$meta~", $meta;
1903		2029
1904	$exit->slaying ("?random/$md5");	2030	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2031	$exit->msg (undef);
1906	}	2032	}
1907	}	2033	}
1908		2034
1909	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1911		2037
1912	return unless $self->type == cf::PLAYER;	2038	return unless $self->type == cf::PLAYER;
		2039
		2040	if ($exit->slaying eq "/!") {
		2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2042	# the problem is that $exit might not survive long enough
		2043	# so it needs to be done right now, right here
		2044	cf::sync_job { prepare_random_map $exit };
		2045	}
		2046
		2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2048	my $hp = $exit->stats->hp;
		2049	my $sp = $exit->stats->sp;
1913		2050
1914	$self->enter_link;	2051	$self->enter_link;
1915		2052
1916	(async {	2053	(async {
1917	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2055	unless (eval {
1919	prepare_random_map $exit	2056	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2057
1925	1;	2058	1;
1926	}) {	2059	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2061	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2062	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2064
1932	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2066	$self->leave_link;
1934	}	2067	}
1935	})->prio (1);	2068	})->prio (1);
…		…
1948		2081
1949	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1951		2084
1952	utf8::encode $text;	2085	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2087	}
1955		2088
		2089	=item $client->ext_event ($type, %msg)
		2090
		2091	Sends an exti event to the client.
		2092
		2093	=cut
		2094
		2095	sub cf::client::ext_event($$%) {
		2096	my ($self, $type, %msg) = @_;
		2097
		2098	$msg{msgtype} = "event_$type";
		2099	$self->send_packet ("ext " . cf::to_json \%msg);
		2100	}
1956		2101
1957	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1958		2103
1959	Queues a query to the client, calling the given callback with	2104	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2134	# get handled first
1990	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2136	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2137
1993	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2140
1995	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1996		2142
1997	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2144	if (@$queue) {
…		…
2056		2202
2057	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
2058		2204
2059	=pod	2205	=pod
2060		2206
2061	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
2062		2208
2063	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2210	cf::object::player player
2065	cf::player peaceful	2211	cf::player peaceful
2066	cf::map trigger	2212	cf::map trigger
…		…
2151	#############################################################################	2297	#############################################################################
2152		2298
2153	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2154		2300
2155	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2156	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157	excludes objects.	2303	convert to/from binary).
2158		2304
2159	The parameter C<$family> should best start with the name of the extension	2305	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2306	using it, it should be unique.
2161		2307
2162	=over 4	2308	=over 4
2163		2309
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2310	=item $value = cf::db_get $family => $key
2171		2311
2172	Returns a single value from the database	2312	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2313
2179	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2180		2315
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2317
2192	=cut	2318	=cut
2193		2319
2194	our $DB;	2320	our $DB;
2195		2321
2196	{	2322	sub db_init {
2197	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2198		2325
2199	sub db_load() {	2326	cf::sync_job {
2200	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2201	}	2328	$DB->set_flags (BDB::CHKSUM);
2202		2329
2203	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2206	waitpid $pid, 0 if $pid;	2333	};
2207	if (0 == ($pid = fork)) {	2334	cf::cleanup "db_open(db): $@" if $@;
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2335	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2336	}
		2337	}
2225		2338
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2339	sub db_get($$) {
2232	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2237	sub db_put($$;$) {	2350	sub db_put($$$) {
2238	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240	} else {	2353	}
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		2354
2246	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2247	prio => 10000,	2356
2248	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2249	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($id, $src, $processversion, $process) = @_;
		2366
		2367	my $meta =
		2368	join "\x00",
		2369	$processversion,
		2370	map {
		2371	aio_stat $_
		2372	and Carp::croak "$_: $!";
		2373
		2374	($_, (stat _)[7,9])
		2375	} @$src;
		2376
		2377	my $dbmeta = db_get cache => "$id/meta";
		2378	if ($dbmeta ne $meta) {
		2379	# changed, we may need to process
		2380
		2381	my @data;
		2382	my $md5;
		2383
		2384	for (0 .. $#$src) {
		2385	0 <= aio_load $src->[$_], $data[$_]
		2386	or Carp::croak "$src->[$_]: $!";
2250	},	2387	}
2251	);	2388
		2389	# if processing is expensive, check
		2390	# checksum first
		2391	if (1) {
		2392	$md5 =
		2393	join "\x00",
		2394	$processversion,
		2395	map {
		2396	Coro::cede;
		2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2398	} 0.. $#$src;
		2399
		2400
		2401	my $dbmd5 = db_get cache => "$id/md5";
		2402	if ($dbmd5 eq $md5) {
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return db_get cache => "$id/data";
		2406	}
		2407	}
		2408
		2409	my $t1 = Time::HiRes::time;
		2410	my $data = $process->(\@data);
		2411	my $t2 = Time::HiRes::time;
		2412
		2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2414
		2415	db_put cache => "$id/data", $data;
		2416	db_put cache => "$id/md5" , $md5;
		2417	db_put cache => "$id/meta", $meta;
		2418
		2419	return $data;
		2420	}
		2421
		2422	db_get cache => "$id/data"
2252	}	2423	}
		2424
		2425	=item fork_call { }, $args
		2426
		2427	Executes the given code block with the given arguments in a seperate
		2428	process, returning the results. Everything must be serialisable with
		2429	Coro::Storable. May, of course, block. Note that the executed sub may
		2430	never block itself or use any form of Event handling.
		2431
		2432	=cut
		2433
		2434	sub fork_call(&@) {
		2435	my ($cb, @args) = @_;
		2436
		2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2438	# or die "socketpair: $!";
		2439	pipe my $fh1, my $fh2
		2440	or die "pipe: $!";
		2441
		2442	if (my $pid = fork) {
		2443	close $fh2;
		2444
		2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2446	$res = Coro::Storable::thaw $res;
		2447
		2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2449
		2450	die $$res unless "ARRAY" eq ref $res;
		2451
		2452	return wantarray ? @$res : $res->[-1];
		2453	} else {
		2454	reset_signals;
		2455	local $SIG{__WARN__};
		2456	local $SIG{__DIE__};
		2457	eval {
		2458	close $fh1;
		2459
		2460	my @res = eval { $cb->(@args) };
		2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2462	};
		2463
		2464	warn $@ if $@;
		2465	_exit 0;
		2466	}
		2467	}
		2468
		2469
2253		2470
2254	#############################################################################	2471	#############################################################################
2255	# the server's main()	2472	# the server's init and main functions
		2473
		2474	sub load_facedata($) {
		2475	my ($path) = @_;
		2476
		2477	warn "loading facedata from $path\n";
		2478
		2479	my $facedata;
		2480	0 < aio_load $path, $facedata
		2481	or die "$path: $!";
		2482
		2483	$facedata = Coro::Storable::thaw $facedata;
		2484
		2485	$facedata->{version} == 2
		2486	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2487
		2488	{
		2489	my $faces = $facedata->{faceinfo};
		2490
		2491	while (my ($face, $info) = each %$faces) {
		2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2496	Coro::cede;
		2497	}
		2498
		2499	while (my ($face, $info) = each %$faces) {
		2500	next unless $info->{smooth};
		2501	my $idx = cf::face::find $face
		2502	or next;
		2503	if (my $smooth = cf::face::find $info->{smooth}) {
		2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2505	} else {
		2506	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2507	}
		2508	Coro::cede;
		2509	}
		2510	}
		2511
		2512	{
		2513	my $anims = $facedata->{animinfo};
		2514
		2515	while (my ($anim, $info) = each %$anims) {
		2516	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2517	Coro::cede;
		2518	}
		2519
		2520	cf::anim::invalidate_all; # d'oh
		2521	}
		2522
		2523	1
		2524	}
		2525
		2526	sub reload_regions {
		2527	load_resource_file "$MAPDIR/regions"
		2528	or die "unable to load regions file\n";
		2529	}
		2530
		2531	sub reload_facedata {
		2532	load_facedata "$DATADIR/facedata"
		2533	or die "unable to load facedata\n";
		2534	}
		2535
		2536	sub reload_archetypes {
		2537	load_resource_file "$DATADIR/archetypes"
		2538	or die "unable to load archetypes\n";
		2539	}
		2540
		2541	sub reload_treasures {
		2542	load_resource_file "$DATADIR/treasures"
		2543	or die "unable to load treasurelists\n";
		2544	}
		2545
		2546	sub reload_resources {
		2547	warn "reloading resource files...\n";
		2548
		2549	reload_regions;
		2550	reload_facedata;
		2551	reload_archetypes;
		2552	reload_treasures;
		2553
		2554	warn "finished reloading resource files\n";
		2555	}
		2556
		2557	sub init {
		2558	reload_resources;
		2559	}
2256		2560
2257	sub cfg_load {	2561	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2563	or return;
2260		2564
2261	local $/;	2565	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2263		2567
…		…
2277		2581
2278	sub main {	2582	sub main {
2279	# we must not ever block the main coroutine	2583	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2584	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2586	(async {
2282	async { Event::one_event };	2587	Event::one_event;
		2588	})->prio (Coro::PRIO_MAX);
2283	};	2589	};
2284		2590
2285	cfg_load;	2591	cfg_load;
2286	db_load;	2592	db_init;
2287	load_extensions;	2593	load_extensions;
		2594
		2595	$TICK_WATCHER->start;
2288	Event::loop;	2596	Event::loop;
2289	}	2597	}
2290		2598
2291	#############################################################################	2599	#############################################################################
2292	# initialisation and cleanup	2600	# initialisation and cleanup
2293		2601
2294	# install some emergency cleanup handlers	2602	# install some emergency cleanup handlers
2295	BEGIN {	2603	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2604	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2605	Event->signal (
		2606	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2299	signal => $signal,	2608	signal => $signal,
		2609	prio => 0,
2300	cb => sub {	2610	cb => sub {
2301	cf::cleanup "SIG$signal";	2611	cf::cleanup "SIG$signal";
2302	},	2612	},
2303	);	2613	);
2304	}	2614	}
2305	}	2615	}
…		…
2310	warn "enter emergency perl save\n";	2620	warn "enter emergency perl save\n";
2311		2621
2312	cf::sync_job {	2622	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2623	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2624	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2625	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2626	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2627	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2628	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2629	$pl->valid or next;
2320	$pl->save;	2630	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2636	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2637	$map->valid or next;
2328	$map->save;	2638	$map->save;
2329	}	2639	}
2330	warn "end emergency map save\n";	2640	warn "end emergency map save\n";
		2641
		2642	warn "begin emergency database checkpoint\n";
		2643	BDB::db_env_txn_checkpoint $DB_ENV;
		2644	warn "end emergency database checkpoint\n";
2331	};	2645	};
2332		2646
2333	warn "leave emergency perl save\n";	2647	warn "leave emergency perl save\n";
2334	}	2648	}
2335		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2336	sub reload() {	2657	sub do_reload_perl() {
2337	# can/must only be called in main	2658	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2660	warn "can only reload from main coroutine";
2340	return;	2661	return;
2341	}	2662	}
2342		2663
2343	warn "reloading...";	2664	warn "reloading...";
2344		2665
2345	my $guard = freeze_mainloop;	2666	warn "entering sync_job";
		2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2347		2672
2348	eval {	2673	warn "syncing database to disk";
		2674	BDB::db_env_txn_checkpoint $DB_ENV;
		2675
2349	# if anything goes wrong in here, we should simply crash as we already saved	2676	# if anything goes wrong in here, we should simply crash as we already saved
2350		2677
2351	# cancel all watchers	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2681	}
2355		2682
		2683	warn "flushing outstanding aio requests";
		2684	for (;;) {
		2685	BDB::flush;
		2686	IO::AIO::flush;
		2687	Coro::cede;
		2688	last unless IO::AIO::nreqs || BDB::nreqs;
		2689	warn "iterate...";
		2690	}
		2691
		2692	++$RELOAD;
		2693
2356	# cancel all extension coros	2694	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2696	%EXT_CORO = ();
2359		2697
2360	# unload all extensions	2698	warn "removing commands";
2361	for (@exts) {	2699	%COMMAND = ();
		2700
		2701	warn "removing ext commands";
		2702	%EXTCMD = ();
		2703
		2704	warn "unloading/nuking all extensions";
		2705	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2706	warn "... unloading $pkg";
2363	unload_extension $_;	2707
		2708	if (my $cb = $pkg->can ("unload")) {
		2709	eval {
		2710	$cb->($pkg);
		2711	1
		2712	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2713	}
2365		2714
		2715	warn "... nuking $pkg";
		2716	Symbol::delete_package $pkg;
		2717	}
		2718
2366	# unload all modules loaded from $LIBDIR	2719	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2720	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2722
2370	warn "removing <$k>";	2723	warn "... unloading $k";
2371	delete $INC{$k};	2724	delete $INC{$k};
2372		2725
2373	$k =~ s/\.pm$//;	2726	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2727	$k =~ s/\//::/g;
2375		2728
…		…
2378	}	2731	}
2379		2732
2380	Symbol::delete_package $k;	2733	Symbol::delete_package $k;
2381	}	2734	}
2382		2735
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2736	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2739
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2740	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2396		2743
2397	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2745	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2400		2747
2401	# reload cf.pm	2748	warn "unload completed, starting to reload now";
		2749
2402	warn "reloading cf.pm";	2750	warn "reloading cf.pm";
2403	require cf;	2751	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2753
2406	# load config and database again	2754	warn "loading config and database again";
2407	cf::cfg_load;	2755	cf::cfg_load;
2408	cf::db_load;
2409		2756
2410	# load extensions
2411	warn "load extensions";	2757	warn "loading extensions";
2412	cf::load_extensions;	2758	cf::load_extensions;
2413		2759
2414	# reattach attachments to objects	2760	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2761	_global_reattach; # objects, sockets
2416	_global_reattach;	2762	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2418	};	2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2419		2766
2420	if ($@) {	2767	warn "leaving sync_job";
		2768
		2769	1
		2770	} or do {
2421	warn $@;	2771	warn $@;
2422	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2423	exit 1;	2773	exit 1;
2424	}	2774	};
2425		2775
2426	warn "reloaded successfully";	2776	warn "reloaded";
2427	};	2777	};
2428		2778
2429	#############################################################################	2779	our $RELOAD_WATCHER; # used only during reload
2430		2780
2431	unless ($LINK_MAP) {	2781	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	2782	# doing reload synchronously and two reloads happen back-to-back,
		2783	# coro crashes during coro_state_free->destroy here.
2433		2784
2434	$LINK_MAP->width (41);	2785	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2786	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2787	after => 0,
		2788	data => WF_AUTOCANCEL,
2444	cb => sub {	2789	cb => sub {
2445	$_[0]->w->cancel;	2790	do_reload_perl;
2446		2791	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2792	},
2465		2793	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2794	}
2471
2472	register "<global>", __PACKAGE__;
2473		2795
2474	register_command "reload" => sub {	2796	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2476		2798
2477	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2800	$who->message ("reloading server.");
		2801	async { reload_perl };
2481	}	2802	}
2482	};	2803	};
2483		2804
2484	unshift @INC, $LIBDIR;	2805	unshift @INC, $LIBDIR;
		2806
		2807	my $bug_warning = 0;
		2808
		2809	our @WAIT_FOR_TICK;
		2810	our @WAIT_FOR_TICK_BEGIN;
		2811
		2812	sub wait_for_tick {
		2813	return unless $TICK_WATCHER->is_active;
		2814	return if $Coro::current == $Coro::main;
		2815
		2816	my $signal = new Coro::Signal;
		2817	push @WAIT_FOR_TICK, $signal;
		2818	$signal->wait;
		2819	}
		2820
		2821	sub wait_for_tick_begin {
		2822	return unless $TICK_WATCHER->is_active;
		2823	return if $Coro::current == $Coro::main;
		2824
		2825	my $signal = new Coro::Signal;
		2826	push @WAIT_FOR_TICK_BEGIN, $signal;
		2827	$signal->wait;
		2828	}
2485		2829
2486	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2831	reentrant => 0,
		2832	parked => 1,
2488	prio => 0,	2833	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2834	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2835	data => WF_AUTOCANCEL,
2491	cb => sub {	2836	cb => sub {
		2837	if ($Coro::current != $Coro::main) {
		2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2839	unless ++$bug_warning > 10;
		2840	return;
		2841	}
		2842
		2843	$NOW = Event::time;
		2844
2492	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2493	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2495		2849
2496	$WAIT_FOR_TICK->broadcast;	2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2851	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2852	Coro::async_pool {
		2853	write_runtime
		2854	or warn "ERROR: unable to write runtime file: $!";
		2855	};
		2856	}
		2857
		2858	# my $AFTER = Event::time;
		2859	# warn $AFTER - $NOW;#d#
2498		2860
2499	# if we are delayed by four ticks or more, skip them all	2861	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2863
2502	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
		2866
		2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2868	$sig->send;
		2869	}
		2870	while (my $sig = shift @WAIT_FOR_TICK) {
		2871	$sig->send;
		2872	}
		2873
		2874	_post_tick;
2504	},	2875	},
2505	);	2876	);
2506		2877
		2878	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2879	BDB::max_poll_time $TICK * 0.1;
2508		2880	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2881	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2882	fd => BDB::poll_fileno,
2511	poll => 'r',	2883	poll => 'r',
2512	prio => 5,	2884	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2885	data => WF_AUTOCANCEL,
2519	after => 0,	2886	cb => \&BDB::poll_cb,
2520	interval => 10,	2887	);
2521	cb => sub {	2888	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2889
2523	write_runtime	2890	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2891	my $status;
		2892	my $current = $Coro::current;
		2893	(
		2894	sub {
		2895	$status = $!;
		2896	$current->ready; undef $current;
		2897	},
		2898	sub {
		2899	Coro::schedule while defined $current;
		2900	$! = $status;
		2901	},
		2902	)
		2903	};
		2904
		2905	unless ($DB_ENV) {
		2906	$DB_ENV = BDB::db_env_create;
		2907
		2908	cf::sync_job {
		2909	eval {
		2910	BDB::db_env_open
		2911	$DB_ENV,
		2912	$BDBDIR,
		2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2915	0666;
		2916
		2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2918
		2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2920	$DB_ENV->set_lk_detect;
		2921	};
		2922
		2923	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2924	};
2526	},	2925	}
2527	);	2926	}
		2927
		2928	{
		2929	IO::AIO::min_parallel 8;
		2930
		2931	undef $Coro::AIO::WATCHER;
		2932	IO::AIO::max_poll_time $TICK * 0.1;
		2933	$AIO_POLL_WATCHER = Event->io (
		2934	reentrant => 0,
		2935	data => WF_AUTOCANCEL,
		2936	fd => IO::AIO::poll_fileno,
		2937	poll => 'r',
		2938	prio => 6,
		2939	cb => \&IO::AIO::poll_cb,
		2940	);
		2941	}
		2942
		2943	my $_log_backtrace;
		2944
		2945	sub _log_backtrace {
		2946	my ($msg, @addr) = @_;
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	# limit the # of concurrent backtraces
		2951	if ($_log_backtrace < 2) {
		2952	++$_log_backtrace;
		2953	async {
		2954	my @bt = fork_call {
		2955	@addr = map { sprintf "%x", $_ } @addr;
		2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2958	or die "addr2line: $!";
		2959
		2960	my @funcs;
		2961	my @res = <$fh>;
		2962	chomp for @res;
		2963	while (@res) {
		2964	my ($func, $line) = splice @res, 0, 2, ();
		2965	push @funcs, "[$func] $line";
		2966	}
		2967
		2968	@funcs
		2969	};
		2970
		2971	LOG llevInfo, "[ABT] $msg\n";
		2972	LOG llevInfo, "[ABT] $_\n" for @bt;
		2973	--$_log_backtrace;
		2974	};
		2975	} else {
		2976	LOG llevInfo, "[ABT] $msg\n";
		2977	LOG llevInfo, "[ABT] [suppressed]\n";
		2978	}
		2979	}
		2980
		2981	# load additional modules
		2982	use cf::pod;
2528		2983
2529	END { cf::emergency_save }	2984	END { cf::emergency_save }
2530		2985
2531	1	2986	1
2532		2987

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