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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 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		41
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
31		44
32	$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
33		46
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		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";	91
57	our %EXT_CORO; # coroutines bound to extensions	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
58		94
59	binmode STDOUT;	95	binmode STDOUT;
60	binmode STDERR;	96	binmode STDERR;
61		97
62	# read virtual server time, if available	98	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
67	}	103	}
68		104
69	mkdir cf::localdir;	105	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		107
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
78		111
79	#############################################################################	112	#############################################################################
80		113
81	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
82		115
…		…
89	=item $cf::RUNTIME	122	=item $cf::RUNTIME
90		123
91	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
92	every server tick.	125	every server tick.
93		126
94	=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
95		130
96	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		135
99	=item $cf::NOW	136	=item $cf::NOW
100		137
101	The time of the last (current) server tick.	138	The time of the last (current) server tick.
102		139
…		…
106		143
107	=item %cf::CFG	144	=item %cf::CFG
108		145
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111		154
112	=back	155	=back
113		156
114	=cut	157	=cut
115		158
116	BEGIN {	159	BEGIN {
117	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	161	my $msg = join "", @_;
119	utf8::encode $msg;
120		162
121	$msg .= "\n"	163	$msg .= "\n"
122	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
123		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
124	LOG llevError, $msg;	169	LOG llevError, $msg;
125	};	170	};
126	}	171	}
127		172
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
146	}	191	}
147		192
148	$Event::DIED = sub {	193	$Event::DIED = sub {
149	warn "error in event callback: @_";	194	warn "error in event callback: @_";
150	};	195	};
151
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155		196
156	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
157		198
158	=over 4	199	=over 4
159		200
…		…
178	$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;
179	$d	220	$d
180	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
181	}	222	}
182		223
183	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
184		225
185	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
186		227
187	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
188		229
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
197		231
198	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
199
200	=cut
201
202	sub to_json($) {
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
204	JSON::Syck::Dump $_[0]
205	}
206		233
207	=item cf::lock_wait $string	234	=item cf::lock_wait $string
208		235
209	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
210		237
…		…
216	returned.	243	returned.
217		244
218	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
219	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
220		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
221	=cut	252	=cut
222		253
223	our %LOCK;	254	our %LOCK;
224		255
225	sub lock_wait($) {	256	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
246	}	277	}
247	}	278	}
248		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
249	sub freeze_mainloop {	286	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
251		288
252	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
253	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
254	$guard	293	$guard
255	}	294	}
256		295
257	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
309	}	348	}
310	}	349	}
311		350
312	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
313		352
314	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	354	extension calling this is being unloaded.
316		355
317	=cut	356	=cut
318		357
319	sub async_ext(&) {	358	sub async_ext(&) {
…		…
328		367
329	$coro	368	$coro
330	}	369	}
331		370
332	sub write_runtime {	371	sub write_runtime {
333	my $runtime = cf::localdir . "/runtime";	372	my $runtime = "$LOCALDIR/runtime";
334		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#
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	386	or return;
337		387
		388	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	393	and return;
341		394
		395	# always fsync - this file is important
342	aio_fsync $fh	396	aio_fsync $fh
343	and return;	397	and return;
344		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
345	close $fh	402	close $fh
346	or return;	403	or return;
347		404
348	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
349	and return;	406	and return;
350		407
		408	warn "... done writing runtime.\n";#d#
		409
351	1	410	1
352	}	411	}
353		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		422	}
		423
354	=back	424	=back
355		425
356	=cut	426	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		427
480	#############################################################################	428	#############################################################################
481		429
482	=head2 ATTACHABLE OBJECTS	430	=head2 ATTACHABLE OBJECTS
483		431
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	557	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	558	our @CB_MAP = ();
611		559
612	my %attachment;	560	my %attachment;
613		561
		562	sub cf::attachable::thawer_merge {
		563	# simply override everything except _meta
		564	local $_[0]{_meta};
		565	%{$_[0]} = %{$_[1]};
		566	}
		567
614	sub _attach_cb($$$$) {	568	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	569	my ($registry, $event, $prio, $cb) = @_;
616		570
617	use sort 'stable';	571	use sort 'stable';
618		572
…		…
789	# object support	743	# object support
790		744
791	sub reattach {	745	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	746	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	747	my ($obj) = @_;
		748
		749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		750
795	my $registry = $obj->registry;	751	my $registry = $obj->registry;
796		752
797	@$registry = ();	753	@$registry = ();
798		754
…		…
845	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
846		802
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	807	close $fh;
852		808
853	if (@$objs) {	809	if (@$objs) {
854	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) {
855	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	815	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
861	}	817	}
862	} else {	818	} else {
863	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
930	=cut	886	=cut
931		887
932	sub register_extcmd {	888	sub register_extcmd {
933	my ($name, $cb) = @_;	889	my ($name, $cb) = @_;
934		890
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	891	$EXTCMD{$name} = $cb;
939	}	892	}
940		893
941	cf::player->attach (	894	cf::player->attach (
942	on_command => sub {	895	on_command => sub {
943	my ($pl, $name, $params) = @_;	896	my ($pl, $name, $params) = @_;
…		…
956		909
957	my $msg = eval { from_json $buf };	910	my $msg = eval { from_json $buf };
958		911
959	if (ref $msg) {	912	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	914	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	915	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	916	}
964	}	917	}
965	} else {	918	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		921
969	cf::override;	922	cf::override;
970	},	923	},
971	);	924	);
972		925
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	926	sub load_extension {
980	my ($path) = @_;	927	my ($path) = @_;
981		928
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	930	my $base = $1;
984	my $pkg = $1;	931	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	932	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	933	$pkg = "ext::$pkg";
987		934
988	warn "loading '$path' into '$pkg'\n";	935	warn "... loading '$path' into '$pkg'\n";
989		936
990	open my $fh, "<:utf8", $path	937	open my $fh, "<:utf8", $path
991	or die "$path: $!";	938	or die "$path: $!";
992		939
993	my $source =	940	my $source =
994	"package $pkg; use strict; use utf8;\n"	941	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	942	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	943	. (do { local $/; <$fh> })
997	. "\n};\n1";	944	. "\n};\n1";
998		945
999	eval $source	946	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	947	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	948	: "extension disabled.\n";
1002		949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	950	warn $@;
1004	$ext_pkg{$base} = $pkg;	951	warn "mandatory extension failed to load, exiting.\n";
1005		952	exit 1;
1006	# no strict 'refs';	953	}
1007	# @{"$pkg\::ISA"} = ext::;	954	die $@;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }	955	}
1022		956
1023	# remove commands	957	push @EXTS, $pkg;
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}	958	}
1048		959
1049	sub load_extensions {	960	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	962	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
1056	}	967	}
1057	}	968	}
1058		969
1059	#############################################################################	970	#############################################################################
1060	# load/save/clean perl data associated with a map
1061
1062	*cf::mapsupport::on_clean = sub {
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		971
1097	=head2 CORE EXTENSIONS	972	=head2 CORE EXTENSIONS
1098		973
1099	Functions and methods that extend core crossfire objects.	974	Functions and methods that extend core crossfire objects.
1100		975
…		…
1113	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
1114		989
1115	=cut	990	=cut
1116		991
1117	sub playerdir($) {	992	sub playerdir($) {
1118	cf::localdir	993	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	995	}
1124		996
1125	sub path($) {	997	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		999
1128	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
1129	}	1001	}
1130		1002
1131	sub find_active($) {	1003	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
1136		1008
1137	sub exists($) {	1009	sub exists($) {
1138	my ($login) = @_;	1010	my ($login) = @_;
1139		1011
1140	$cf::PLAYER{$login}	1012	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1013	or cf::sync_job { !aio_stat path $login }
1142	}	1014	}
1143		1015
1144	sub find($) {	1016	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1017	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1018	my $login = $_[0];
1147		1019
1148	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
1149		1021
1150	$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
1151	my $pl = load_pl path $login	1030	my $pl = load_pl path $login
1152	or return;	1031	or return;
1153	$cf::PLAYER{$login} = $pl	1032	$cf::PLAYER{$login} = $pl
1154	}	1033	}
1155	}	1034	}
…		…
1192		1071
1193	=cut	1072	=cut
1194		1073
1195	sub quit_character {	1074	sub quit_character {
1196	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1197		1078
1198	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1199	$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
1200		1081
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1089	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1210	$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
1211	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;
1212	}	1113	}
1213		1114
1214	=item cf::player::list_logins	1115	=item cf::player::list_logins
1215		1116
1216	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
1217	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1218		1119
1219	=cut	1120	=cut
1220		1121
1221	sub list_logins {	1122	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1124	or return [];
1224		1125
1225	my @logins;	1126	my @logins;
1226		1127
1227	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1130	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1131	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1132
1232	utf8::decode $login;	1133	utf8::decode $login;
1233	push @logins, $login;	1134	push @logins, $login;
1234	}	1135	}
1235		1136
1236	\@logins	1137	\@logins
1237	}	1138	}
1238		1139
1239	=item $player->maps	1140	=item $player->maps
1240		1141
1241	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
1242	player. May block.	1143	player. May block.
1243		1144
1244	=cut	1145	=cut
1245		1146
1246	sub maps($) {	1147	sub maps($) {
1247	my ($pl) = @_;	1148	my ($pl) = @_;
		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1151
1249	my $files = aio_readdir playerdir $pl	1152	my $files = aio_readdir playerdir $pl
1250	or return;	1153	or return;
1251		1154
1252	my @paths;	1155	my @paths;
1253		1156
1254	for (@$files) {	1157	for (@$files) {
1255	utf8::decode $_;	1158	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1159	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1160	next unless /^$PATH_SEP/o;
1258		1161
1259	s/$PATH_SEP/\//g;	1162	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1163	}
1262		1164
1263	\@paths	1165	\@paths
1264	}	1166	}
1265		1167
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1267		1169
1268	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1269		1171
1270	=cut	1172	=cut
1271		1173
1272	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1274		1176
1275	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1276		1178
1277	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1278	}	1180	}
1279		1181
1280	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		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	}
1281		1222
1282	=back	1223	=back
1283
1284		1224
1285	=head3 cf::map	1225	=head3 cf::map
1286		1226
1287	=over 4	1227	=over 4
1288		1228
…		…
1291	package cf::map;	1231	package cf::map;
1292		1232
1293	use Fcntl;	1233	use Fcntl;
1294	use Coro::AIO;	1234	use Coro::AIO;
1295		1235
		1236	use overload
		1237	'""' => \&as_string,
		1238	fallback => 1;
		1239
1296	our $MAX_RESET = 3600;	1240	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1241	our $DEFAULT_RESET = 3000;
1298		1242
1299	sub generate_random_map {	1243	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1244	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1245	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1246	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1250	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1251	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$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},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(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"
1316	}	1388	}
1317		1389
1318	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1319	# all maps in C++...	1391	# all maps in C++...
1320	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1322		1394
1323	$_->change_map_light ($change)	1395	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1396	for grep $_->outdoor, values %cf::MAP;
1325	}	1397	}
1326		1398
		1399	sub unlink_save {
		1400	my ($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
1327	sub try_load_header($) {	1407	sub load_header_from($) {
1328	my ($path) = @_;	1408	my ($self, $path) = @_;
1329		1409
1330	utf8::encode $path;	1410	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
		1412	# or return;
		1413
		1414	$self->_load_header ($path)
1332	or return;	1415	or return;
1333		1416
1334	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
1335	or return;	1460	or return;
		1461	$self->prepare_orig;
		1462	}
1336		1463
1337	# for better error messages only, will be overwritten	1464	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1465	unless $self->default_region;
1339		1466
1340	$map->load_header ($path)	1467	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1468	}
1347		1469
1348	sub find;	1470	sub find;
1349	sub find {	1471	sub find {
1350	my ($path, $origin) = @_;	1472	my ($path, $origin) = @_;
1351		1473
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1474	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1475
1357	cf::lock_wait "map_find:$key";	1476	cf::lock_wait "map_find:$path";
1358		1477
1359	$cf::MAP{$key} || do {	1478	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1479	my $guard = cf::lock_acquire "map_find:$path";
1361		1480	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1481	or return;
1381		1482
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1483	$map->{last_save} = $cf::RUNTIME;
1394		1484
1395	Coro::cede;	1485	$map->load_header
		1486	or return;
1396		1487
1397	if ($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;
1398	$map->reset;	1491	$map->reset;
1399	undef $guard;	1492	undef $guard;
1400	$map = find $path	1493	return find $path;
1401	or return;
1402	}	1494	}
1403		1495
1404	$cf::MAP{$key} = $map	1496	$cf::MAP{$path} = $map
1405	}	1497	}
1406	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1407		1502
1408	sub load {	1503	sub load {
1409	my ($self) = @_;	1504	my ($self) = @_;
1410		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1411	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1511	my $guard = cf::lock_acquire "map_load:$path";
1413		1512
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1514
1416	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1417		1516
1418	$self->alloc;	1517	$self->alloc;
		1518
		1519	$self->pre_load;
		1520	Coro::cede;
		1521
1419	$self->load_objects ($self->{load_path}, 1)	1522	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1523	or return;
1421		1524
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1526	if delete $self->{load_original};
1424		1527
1425	if (my $uniq = $path->uniq_path) {	1528	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1529	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1530	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1531	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1532	$self->_load_objects ($uniq, 0);
1430	}	1533	}
1431	}	1534	}
1432		1535
1433	Coro::cede;	1536	Coro::cede;
1434
1435	# now do the right thing for maps	1537	# now do the right thing for maps
1436	$self->link_multipart_objects;	1538	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1447	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;
1448	$self->activate;	1550	$self->activate;
1449	}	1551	}
1450		1552
1451	Coro::cede;
1452
1453	$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	$self
		1566	}
		1567
		1568	# find and load all maps in the 3x3 area around a map
		1569	sub load_diag {
		1570	my ($map) = @_;
		1571
		1572	my @diag; # diagonal neighbours
		1573
		1574	for (0 .. 3) {
		1575	my $neigh = $map->tile_path ($_)
		1576	or next;
		1577	$neigh = find $neigh, $map
		1578	or next;
		1579	$neigh->load;
		1580
		1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1583	}
		1584
		1585	for (@diag) {
		1586	my $neigh = find @$_
		1587	or next;
		1588	$neigh->load;
		1589	}
1454	}	1590	}
1455		1591
1456	sub find_sync {	1592	sub find_sync {
1457	my ($path, $origin) = @_;	1593	my ($path, $origin) = @_;
1458		1594
1459	cf::sync_job { cf::map::find $path, $origin }	1595	cf::sync_job { find $path, $origin }
1460	}	1596	}
1461		1597
1462	sub do_load_sync {	1598	sub do_load_sync {
1463	my ($map) = @_;	1599	my ($map) = @_;
1464		1600
1465	cf::sync_job { $map->load };	1601	cf::sync_job { $map->load };
1466	}	1602	}
1467		1603
		1604	our %MAP_PREFETCH;
		1605	our $MAP_PREFETCHER = undef;
		1606
		1607	sub find_async {
		1608	my ($path, $origin) = @_;
		1609
		1610	$path = normalise $path, $origin && $origin->{path};
		1611
		1612	if (my $map = $cf::MAP{$path}) {
		1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1614	}
		1615
		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	};
		1629	$MAP_PREFETCHER->prio (6);
		1630
		1631	()
		1632	}
		1633
1468	sub save {	1634	sub save {
1469	my ($self) = @_;	1635	my ($self) = @_;
1470		1636
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1638
1473	$self->{last_save} = $cf::RUNTIME;	1639	$self->{last_save} = $cf::RUNTIME;
1474		1640
1475	return unless $self->dirty;	1641	return unless $self->dirty;
1476		1642
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1643	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1644	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1645
1480	$self->{load_path} = $save;	1646	$self->{load_path} = $save;
1481		1647
1482	return if $self->{deny_save};	1648	return if $self->{deny_save};
1483		1649
…		…
1486	cf::async {	1652	cf::async {
1487	$_->contr->save for $self->players;	1653	$_->contr->save for $self->players;
1488	};	1654	};
1489		1655
1490	if ($uniq) {	1656	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1659	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1661	}
1496	}	1662	}
1497		1663
1498	sub swap_out {	1664	sub swap_out {
1499	my ($self) = @_;	1665	my ($self) = @_;
…		…
1513		1679
1514	sub reset_at {	1680	sub reset_at {
1515	my ($self) = @_;	1681	my ($self) = @_;
1516		1682
1517	# TODO: safety, remove and allow resettable per-player maps	1683	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1685	return 1e99 if $self->{deny_reset};
1520		1686
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1689
…		…
1528	my ($self) = @_;	1694	my ($self) = @_;
1529		1695
1530	$self->reset_at <= $cf::RUNTIME	1696	$self->reset_at <= $cf::RUNTIME
1531	}	1697	}
1532		1698
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	1699	sub reset {
1555	my ($self) = @_;	1700	my ($self) = @_;
1556		1701
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1702	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1703
1559	return if $self->players;	1704	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1561		1706
1562	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1563		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
1564	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->clear;
1565		1722
1566	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1567		1724
1568	$self->unlink_save;	1725	$self->unlink_save;
1569	$self->destroy;	1726	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1729	my $nuke_counter = "aaaa";
1573		1730
1574	sub nuke {	1731	sub nuke {
1575	my ($self) = @_;	1732	my ($self) = @_;
1576		1733
		1734	delete $cf::MAP{$self->path};
		1735
		1736	$self->unlink_save;
		1737
		1738	bless $self, "cf::map";
		1739	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1740	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1741	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1743
		1744	$cf::MAP{$self->path} = $self;
		1745
1580	$self->reset; # polite request, might not happen	1746	$self->reset; # polite request, might not happen
1581	}	1747	}
1582		1748
1583	sub customise_for {	1749	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1750
1586	if ($map->per_player) {	1751	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1752	instantiated unique items. May block.
1588	}
1589		1753
1590	$map	1754	=cut
1591	}
1592		1755
1593	sub emergency_save {	1756	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1757	my $files = aio_readdir $UNIQUEDIR
		1758	or return;
1595		1759
1596	warn "enter emergency perl save\n";	1760	my @paths;
1597		1761
1598	cf::sync_job {	1762	for (@$files) {
1599	warn "begin emergency player save\n";	1763	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1764	next if /\.pst$/;
1601	warn "end emergency player save\n";	1765	next unless /^$PATH_SEP/o;
1602		1766
1603	warn "begin emergency map save\n";	1767	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1768	}
1607		1769
1608	warn "leave emergency perl save\n";	1770	\@paths
1609	}	1771	}
1610		1772
1611	package cf;	1773	package cf;
1612		1774
1613	=back	1775	=back
1614		1776
		1777	=head3 cf::object
		1778
		1779	=cut
		1780
		1781	package cf::object;
		1782
		1783	=over 4
		1784
		1785	=item $ob->inv_recursive
		1786
		1787	Returns the inventory of the object _and_ their inventories, recursively.
		1788
		1789	=cut
		1790
		1791	sub inv_recursive_;
		1792	sub inv_recursive_ {
		1793	map { $_, inv_recursive_ $_->inv } @_
		1794	}
		1795
		1796	sub inv_recursive {
		1797	inv_recursive_ inv $_[0]
		1798	}
		1799
		1800	package cf;
		1801
		1802	=back
1615		1803
1616	=head3 cf::object::player	1804	=head3 cf::object::player
1617		1805
1618	=over 4	1806	=over 4
1619		1807
…		…
1659		1847
1660	=item $player_object->enter_link	1848	=item $player_object->enter_link
1661		1849
1662	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}>).
1663		1851
1664	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
1665	I<MUST> call C<leave_link> as soon as possible, though.	1853	I<MUST> call C<leave_link> as soon as possible, though.
1666		1854
		1855	Will never block.
		1856
1667	=item $player_object->leave_link ($map, $x, $y)	1857	=item $player_object->leave_link ($map, $x, $y)
1668		1858
1669	Moves the player out of the specila link map onto the given map. If the	1859	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1860	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1861	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1862	fails, to the emergency map position.
1673		1863
1674	Might block.	1864	Might block.
1675		1865
1676	=cut	1866	=cut
		1867
		1868	sub link_map {
		1869	unless ($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	$LINK_MAP
		1876	}
1677		1877
1678	sub cf::object::player::enter_link {	1878	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1879	my ($self) = @_;
1680		1880
1681	$self->deactivate_recursive;	1881	$self->deactivate_recursive;
1682		1882
1683	return if $self->map == $LINK_MAP;	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1884
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1886	if $self->map;
1687		1887
1688	$self->enter_map ($LINK_MAP, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1889	}
1690		1890
1691	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1693		1893
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1911	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1912	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1913	if $x <=0 && $y <= 0;
1714		1914
1715	$map->load;	1915	$map->load;
		1916	$map->load_diag;
1716		1917
1717	return unless $self->contr->active;	1918	return unless $self->contr->active;
1718	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1720	}	1923	}
1721		1924
1722	cf::player->attach (	1925	cf::player->attach (
1723	on_logout => sub {	1926	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1940	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1740	(async {	1943	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,	1944	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1745	. "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.",
1746	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
1747	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1749	})->prio (2);	1952	})->prio (2);
1750	}	1953	}
1751	},	1954	},
…		…
1756	=cut	1959	=cut
1757		1960
1758	sub cf::object::player::goto {	1961	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1760		1963
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1964	$self->enter_link;
1765		1965
1766	(async {	1966	(async {
		1967	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1968	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1769		1970	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1771	# if $map;
1772
1773	$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);
1774		1973
1775	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1975	})->prio (1);
1777	}	1976	}
1778		1977
…		…
1782		1981
1783	sub parse_random_map_params {	1982	sub parse_random_map_params {
1784	my ($spec) = @_;	1983	my ($spec) = @_;
1785		1984
1786	my $rmp = { # defaults	1985	my $rmp = { # defaults
1787	xsize => 10,	1986	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1987	ysize => (cf::rndm 15, 40),
		1988	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1989	#layout => string,
1789	};	1990	};
1790		1991
1791	for (split /\n/, $spec) {	1992	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1993	my ($k, $v) = split /\s+/, $_, 2;
1793		1994
…		…
1797	$rmp	1998	$rmp
1798	}	1999	}
1799		2000
1800	sub prepare_random_map {	2001	sub prepare_random_map {
1801	my ($exit) = @_;	2002	my ($exit) = @_;
		2003
		2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2005
1803	# all this does is basically replace the /! path by	2006	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2007	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2008	# that depends on the exit object
1806		2009
1807	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1808		2011
1809	if ($exit->map) {	2012	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1814	}	2017	}
1815		2018
1816	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1817		2020
1818	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
		2023	my $meta = "$RANDOMDIR/$md5.meta";
1820		2024
1821	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) {
1822	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;
1823		2029
1824	$exit->slaying ("?random/$md5");	2030	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2031	$exit->msg (undef);
1826	}	2032	}
1827	}	2033	}
1828		2034
1829	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1831		2037
1832	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;
1833		2050
1834	$self->enter_link;	2051	$self->enter_link;
1835		2052
1836	(async {	2053	(async {
1837	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2055	unless (eval {
1839	prepare_random_map $exit	2056	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2057
1845	1;	2058	1;
1846	}) {	2059	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "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. "
1849	. "Please report this to the dungeon master",	2062	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2064
1852	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2066	$self->leave_link;
1854	}	2067	}
1855	})->prio (1);	2068	})->prio (1);
…		…
1868		2081
1869	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1871		2084
1872	utf8::encode $text;	2085	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2087	}
1875		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	}
1876		2101
1877	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1878		2103
1879	Queues a query to the client, calling the given callback with	2104	Queues a query to the client, calling the given callback with
1880	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>,
…		…
1909	# get handled first	2134	# get handled first
1910	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1911	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
1912		2137
1913	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2140
1915	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1916		2142
1917	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2144	if (@$queue) {
…		…
1976		2202
1977	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
1978		2204
1979	=pod	2205	=pod
1980		2206
1981	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
1982		2208
1983	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2210	cf::object::player player
1985	cf::player peaceful	2211	cf::player peaceful
1986	cf::map trigger	2212	cf::map trigger
…		…
2071	#############################################################################	2297	#############################################################################
2072		2298
2073	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2074		2300
2075	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2076	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2077	excludes objects.	2303	convert to/from binary).
2078		2304
2079	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
2080	using it, it should be unique.	2306	using it, it should be unique.
2081		2307
2082	=over 4	2308	=over 4
2083		2309
2084	=item $hashref = cf::db_get $family
2085
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key	2310	=item $value = cf::db_get $family => $key
2091		2311
2092	Returns a single value from the database	2312	Returns a single value from the database.
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098		2313
2099	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2100		2315
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	Stores the given C<$value> in the family.
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111		2317
2112	=cut	2318	=cut
2113		2319
2114	our $DB;	2320	our $DB;
2115		2321
2116	{	2322	sub db_init {
2117	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2118		2325
2119	sub db_load() {	2326	cf::sync_job {
2120	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2121	}	2328	$DB->set_flags (BDB::CHKSUM);
2122		2329
2123	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2124		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2125	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2126	waitpid $pid, 0 if $pid;	2333	};
2127	if (0 == ($pid = fork)) {	2334	cf::cleanup "db_open(db): $@" if $@;
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}	2335	};
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});	2336	}
		2337	}
2145		2338
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2339	sub db_get($$) {
2152	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2157	sub db_put($$;$) {	2350	sub db_put($$$) {
2158	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2160	} else {	2353	}
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		2354
2166	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2167	prio => 10000,	2356
2168	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2169	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($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 "$src->[$_]: $!";
2170	},	2387	}
2171	);	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"
2172	}	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
2173		2470
2174	#############################################################################	2471	#############################################################################
2175	# 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	}
2176		2560
2177	sub cfg_load {	2561	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2563	or return;
2180		2564
2181	local $/;	2565	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2183		2567
…		…
2197		2581
2198	sub main {	2582	sub main {
2199	# we must not ever block the main coroutine	2583	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2584	local $Coro::idle = sub {
2201	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 {
2202	async { Event::one_event };	2587	Event::one_event;
		2588	})->prio (Coro::PRIO_MAX);
2203	};	2589	};
2204		2590
2205	cfg_load;	2591	cfg_load;
2206	db_load;	2592	db_init;
2207	load_extensions;	2593	load_extensions;
		2594
		2595	$TICK_WATCHER->start;
2208	Event::loop;	2596	Event::loop;
2209	}	2597	}
2210		2598
2211	#############################################################################	2599	#############################################################################
2212	# initialisation	2600	# initialisation and cleanup
2213		2601
		2602	# install some emergency cleanup handlers
		2603	BEGIN {
		2604	for my $signal (qw(INT HUP TERM)) {
		2605	Event->signal (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	signal => $signal,
		2609	prio => 0,
		2610	cb => sub {
		2611	cf::cleanup "SIG$signal";
		2612	},
		2613	);
		2614	}
		2615	}
		2616
		2617	sub emergency_save() {
		2618	my $freeze_guard = cf::freeze_mainloop;
		2619
		2620	warn "enter emergency perl save\n";
		2621
		2622	cf::sync_job {
		2623	# use a peculiar iteration method to avoid tripping on perl
		2624	# refcount bugs in for. also avoids problems with players
		2625	# and maps saved/destroyed asynchronously.
		2626	warn "begin emergency player save\n";
		2627	for my $login (keys %cf::PLAYER) {
		2628	my $pl = $cf::PLAYER{$login} or next;
		2629	$pl->valid or next;
		2630	$pl->save;
		2631	}
		2632	warn "end emergency player save\n";
		2633
		2634	warn "begin emergency map save\n";
		2635	for my $path (keys %cf::MAP) {
		2636	my $map = $cf::MAP{$path} or next;
		2637	$map->valid or next;
		2638	$map->save;
		2639	}
		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";
		2645	};
		2646
		2647	warn "leave emergency perl save\n";
		2648	}
		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2214	sub reload() {	2657	sub do_reload_perl() {
2215	# can/must only be called in main	2658	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2660	warn "can only reload from main coroutine";
2218	return;	2661	return;
2219	}	2662	}
2220		2663
2221	warn "reloading...";	2664	warn "reloading...";
2222		2665
2223	my $guard = freeze_mainloop;	2666	warn "entering sync_job";
		2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2225		2672
2226	eval {	2673	warn "syncing database to disk";
		2674	BDB::db_env_txn_checkpoint $DB_ENV;
		2675
2227	# 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
2228		2677
2229	# cancel all watchers	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2681	}
2233		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
2234	# cancel all extension coros	2694	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2696	%EXT_CORO = ();
2237		2697
2238	# unload all extensions	2698	warn "removing commands";
2239	for (@exts) {	2699	%COMMAND = ();
		2700
		2701	warn "removing ext commands";
		2702	%EXTCMD = ();
		2703
		2704	warn "unloading/nuking all extensions";
		2705	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2706	warn "... unloading $pkg";
2241	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: $@";
2242	}	2713	}
2243		2714
		2715	warn "... nuking $pkg";
		2716	Symbol::delete_package $pkg;
		2717	}
		2718
2244	# unload all modules loaded from $LIBDIR	2719	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2720	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2722
2248	warn "removing <$k>";	2723	warn "... unloading $k";
2249	delete $INC{$k};	2724	delete $INC{$k};
2250		2725
2251	$k =~ s/\.pm$//;	2726	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2727	$k =~ s/\//::/g;
2253		2728
…		…
2256	}	2731	}
2257		2732
2258	Symbol::delete_package $k;	2733	Symbol::delete_package $k;
2259	}	2734	}
2260		2735
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2736	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2267	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);
2268		2739
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2740	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2274		2743
2275	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2745	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2278		2747
2279	# reload cf.pm	2748	warn "unload completed, starting to reload now";
		2749
2280	warn "reloading cf.pm";	2750	warn "reloading cf.pm";
2281	require cf;	2751	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2753
2284	# load config and database again	2754	warn "loading config and database again";
2285	cf::cfg_load;	2755	cf::cfg_load;
2286	cf::db_load;
2287		2756
2288	# load extensions
2289	warn "load extensions";	2757	warn "loading extensions";
2290	cf::load_extensions;	2758	cf::load_extensions;
2291		2759
2292	# reattach attachments to objects	2760	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2761	_global_reattach; # objects, sockets
2294	_global_reattach;	2762	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2296	};	2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2297		2766
2298	if ($@) {	2767	warn "leaving sync_job";
		2768
		2769	1
		2770	} or do {
2299	warn $@;	2771	warn $@;
2300	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2301	exit 1;	2773	exit 1;
2302	}	2774	};
2303		2775
2304	warn "reloaded successfully";	2776	warn "reloaded";
2305	};	2777	};
2306		2778
2307	#############################################################################	2779	our $RELOAD_WATCHER; # used only during reload
2308		2780
2309	unless ($LINK_MAP) {	2781	sub reload_perl() {
2310	$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.
2311		2784
2312	$LINK_MAP->width (41);	2785	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2786	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	2787	after => 0,
		2788	data => WF_AUTOCANCEL,
2322	cb => sub {	2789	cb => sub {
2323	$_[0]->w->cancel;	2790	do_reload_perl;
2324		2791	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	2792	},
2343		2793	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2794	}
2349
2350	register "<global>", __PACKAGE__;
2351		2795
2352	register_command "reload" => sub {	2796	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2354		2798
2355	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2800	$who->message ("reloading server.");
		2801	async { reload_perl };
2359	}	2802	}
2360	};	2803	};
2361		2804
2362	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	}
2363		2829
2364	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2831	reentrant => 0,
		2832	parked => 1,
2366	prio => 0,	2833	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2834	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2835	data => WF_AUTOCANCEL,
2369	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
2370	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2371	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2373		2849
		2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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#
		2860
2374	# 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
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2863
2377	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2378	$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;
2379	},	2875	},
2380	);	2876	);
2381		2877
		2878	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2879	BDB::max_poll_time $TICK * 0.1;
2383		2880	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2881	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2882	fd => BDB::poll_fileno,
2386	poll => 'r',	2883	poll => 'r',
2387	prio => 5,	2884	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2885	data => WF_AUTOCANCEL,
2394	after => 0,	2886	cb => \&BDB::poll_cb,
2395	interval => 10,	2887	);
2396	cb => sub {	2888	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2889
2398	write_runtime	2890	BDB::set_sync_prepare {
2399	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 $@;
2400	})->();	2924	};
2401	},	2925	}
2402	);	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;
2403		2983
2404	END { cf::emergency_save }	2984	END { cf::emergency_save }
2405		2985
2406	1	2986	1
2407		2987

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