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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 1.263 by root, Sat May 5 05:40:27 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 $guard = cf::lock_acquire "write_runtime";
334		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	378	or return;
337		379
		380	my $value = $cf::RUNTIME + 90 + 10;
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	385	and return;
341		386
		387	# always fsync - this file is important
342	aio_fsync $fh	388	aio_fsync $fh
343	and return;	389	and return;
344		390
345	close $fh	391	close $fh
346	or return;	392	or return;
347		393
348	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
349	and return;	395	and return;
350		396
		397	warn "... done writing runtime.\n";#d#
		398
351	1	399	1
352	}	400	}
353		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
354	=back	413	=back
355		414
356	=cut	415	=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		416
480	#############################################################################	417	#############################################################################
481		418
482	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
483		420
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	547	our @CB_MAP = ();
611		548
612	my %attachment;	549	my %attachment;
613		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
614	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
616		559
617	use sort 'stable';	560	use sort 'stable';
618		561
…		…
789	# object support	732	# object support
790		733
791	sub reattach {	734	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		739
795	my $registry = $obj->registry;	740	my $registry = $obj->registry;
796		741
797	@$registry = ();	742	@$registry = ();
798		743
…		…
845	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
846		791
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	796	close $fh;
852		797
853	if (@$objs) {	798	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	804	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
861	}	806	}
862	} else {	807	} else {
863	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
930	=cut	875	=cut
931		876
932	sub register_extcmd {	877	sub register_extcmd {
933	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
934		879
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
939	}	881	}
940		882
941	cf::player->attach (	883	cf::player->attach (
942	on_command => sub {	884	on_command => sub {
943	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
956		898
957	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
958		900
959	if (ref $msg) {	901	if (ref $msg) {
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
962	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
963	}	905	}
964	}	906	}
965	} else {	907	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
968		910
969	cf::override;	911	cf::override;
970	},	912	},
971	);	913	);
972		914
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {	915	sub load_extension {
980	my ($path) = @_;	916	my ($path) = @_;
981		917
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;	919	my $base = $1;
984	my $pkg = $1;	920	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
987		923
988	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
989		925
990	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
991	or die "$path: $!";	927	or die "$path: $!";
992		928
993	my $source =	929	my $source =
994	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
997	. "\n};\n1";	933	. "\n};\n1";
998		934
999	eval $source	935	unless (eval $source) {
1000	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1001	: "extension disabled.\n";	937	: "extension disabled.\n";
1002		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1003	push @exts, $pkg;	939	warn $@;
1004	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
1005		941	exit 1;
1006	# no strict 'refs';	942	}
1007	# @{"$pkg\::ISA"} = ext::;	943	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	# }	944	}
1022		945
1023	# remove commands	946	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	}	947	}
1048		948
1049	sub load_extensions {	949	sub load_extensions {
1050	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	951	next unless -r $ext;
…		…
1055	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1056	}	956	}
1057	}	957	}
1058		958
1059	#############################################################################	959	#############################################################################
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		960
1097	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1098		962
1099	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1100		964
…		…
1113	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1114		978
1115	=cut	979	=cut
1116		980
1117	sub playerdir($) {	981	sub playerdir($) {
1118	cf::localdir	982	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	984	}
1124		985
1125	sub path($) {	986	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		988
1128	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1129	}	990	}
1130		991
1131	sub find_active($) {	992	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1136		997
1137	sub exists($) {	998	sub exists($) {
1138	my ($login) = @_;	999	my ($login) = @_;
1139		1000
1140	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1142	}	1003	}
1143		1004
1144	sub find($) {	1005	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1007	my $login = $_[0];
1147		1008
1148	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1149		1010
1150	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
1151	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1152	or return;	1020	or return;
1153	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1154	}	1022	}
1155	}	1023	}
…		…
1192		1060
1193	=cut	1061	=cut
1194		1062
1195	sub quit_character {	1063	sub quit_character {
1196	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1197		1067
1198	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1070
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1211	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1212	}	1102	}
1213		1103
1214	=item cf::player::list_logins	1104	=item cf::player::list_logins
1215		1105
1216	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1218		1108
1219	=cut	1109	=cut
1220		1110
1221	sub list_logins {	1111	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1113	or return [];
1224		1114
1225	my @logins;	1115	my @logins;
1226		1116
1227	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1119	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1120	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1121
1232	utf8::decode $login;	1122	utf8::decode $login;
1233	push @logins, $login;	1123	push @logins, $login;
1234	}	1124	}
1235		1125
1236	\@logins	1126	\@logins
1237	}	1127	}
1238		1128
1239	=item $player->maps	1129	=item $player->maps
1240		1130
1241	Returns an arrayref of cf::path's of all maps that are private for this	1131	Returns an arrayref of map paths that are private for this
1242	player. May block.	1132	player. May block.
1243		1133
1244	=cut	1134	=cut
1245		1135
1246	sub maps($) {	1136	sub maps($) {
1247	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1140
1249	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1250	or return;	1142	or return;
1251		1143
1252	my @paths;	1144	my @paths;
1253		1145
1254	for (@$files) {	1146	for (@$files) {
1255	utf8::decode $_;	1147	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1149	next unless /^$PATH_SEP/o;
1258		1150
1259	s/$PATH_SEP/\//g;	1151	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1152	}
1262		1153
1263	\@paths	1154	\@paths
1264	}	1155	}
1265		1156
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1267		1158
1268	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1269		1160
1270	=cut	1161	=cut
1271		1162
1272	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1273	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1274		1165
1275	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1276		1167
1277	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1278	}	1169	}
1279		1170
1280	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1281		1211
1282	=back	1212	=back
1283
1284		1213
1285	=head3 cf::map	1214	=head3 cf::map
1286		1215
1287	=over 4	1216	=over 4
1288		1217
…		…
1291	package cf::map;	1220	package cf::map;
1292		1221
1293	use Fcntl;	1222	use Fcntl;
1294	use Coro::AIO;	1223	use Coro::AIO;
1295		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1296	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1298		1231
1299	sub generate_random_map {	1232	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1235	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
		1247	)
		1248	}
		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
		1258	sub register {
		1259	my (undef, $regex, $prio) = @_;
		1260	my $pkg = caller;
		1261
		1262	no strict;
		1263	push @{"$pkg\::ISA"}, __PACKAGE__;
		1264
		1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1266	}
		1267
		1268	# also paths starting with '/'
		1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
		1282
		1283	sub normalise {
		1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
		1290	# map plan:
		1291	#
		1292	# /! non-realised random map exit (special hack!)
		1293	# {... are special paths that are not being touched
		1294	# ?xxx/... are special absolute paths
		1295	# ?random/... random maps
		1296	# /... normal maps
		1297	# ~user/... per-player map of a specific user
		1298
		1299	$path =~ s/$PATH_SEP/\//go;
		1300
		1301	# treat it as relative path if it starts with
		1302	# something that looks reasonable
		1303	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1304	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1305
		1306	$base =~ s{[^/]+/?$}{};
		1307	$path = "$base/$path";
		1308	}
		1309
		1310	for ($path) {
		1311	redo if s{//}{/};
		1312	redo if s{/\.?/}{/};
		1313	redo if s{/[^/]+/\.\./}{/};
		1314	}
		1315
		1316	$path
		1317	}
		1318
		1319	sub new_from_path {
		1320	my (undef, $path, $base) = @_;
		1321
		1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1323
		1324	$path = normalise $path, $base;
		1325
		1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1328	my $self = bless cf::map::new, $pkg;
		1329	$self->{path} = $path; $self->path ($path);
		1330	$self->init; # pass $1 etc.
		1331	return $self;
		1332	}
		1333	}
		1334
		1335	Carp::carp "unable to resolve path '$path' (base '$base').";
		1336	()
		1337	}
		1338
		1339	sub init {
		1340	my ($self) = @_;
		1341
		1342	$self
		1343	}
		1344
		1345	sub as_string {
		1346	my ($self) = @_;
		1347
		1348	"$self->{path}"
		1349	}
		1350
		1351	# the displayed name, this is a one way mapping
		1352	sub visible_name {
		1353	&as_string
		1354	}
		1355
		1356	# the original (read-only) location
		1357	sub load_path {
		1358	my ($self) = @_;
		1359
		1360	"$MAPDIR/$self->{path}.map"
		1361	}
		1362
		1363	# the temporary/swap location
		1364	sub save_path {
		1365	my ($self) = @_;
		1366
		1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1368	"$TMPDIR/$path.map"
		1369	}
		1370
		1371	# the unique path, undef == no special unique path
		1372	sub uniq_path {
		1373	my ($self) = @_;
		1374
		1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1376	"$UNIQUEDIR/$path"
1316	}	1377	}
1317		1378
1318	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1319	# all maps in C++...	1380	# all maps in C++...
1320	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1322		1383
1323	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1325	}	1386	}
1326		1387
		1388	sub unlink_save {
		1389	my ($self) = @_;
		1390
		1391	utf8::encode (my $save = $self->save_path);
		1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1394	}
		1395
1327	sub try_load_header($) {	1396	sub load_header_from($) {
1328	my ($path) = @_;	1397	my ($self, $path) = @_;
1329		1398
1330	utf8::encode $path;	1399	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1332	or return;	1404	or return;
1333		1405
1334	my $map = cf::map::new	1406	$self->{load_path} = $path;
		1407
		1408	1
		1409	}
		1410
		1411	sub load_header_orig {
		1412	my ($self) = @_;
		1413
		1414	$self->load_header_from ($self->load_path)
		1415	}
		1416
		1417	sub load_header_temp {
		1418	my ($self) = @_;
		1419
		1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
		1440	}
		1441
		1442	sub load_header {
		1443	my ($self) = @_;
		1444
		1445	if ($self->load_header_temp) {
		1446	$self->prepare_temp;
		1447	} else {
		1448	$self->load_header_orig
1335	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1336		1452
1337	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1338	$map->path ($path);	1454	unless $self->default_region;
1339		1455
1340	$map->load_header ($path)	1456	1
1341	or return;
1342
1343	$map->{load_path} = $path;
1344
1345	$map
1346	}	1457	}
1347		1458
1348	sub find;	1459	sub find;
1349	sub find {	1460	sub find {
1350	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1351		1462
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1464
1357	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1358		1466
1359	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1361		1469	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;	1470	or return;
1381		1471
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;	1472	$map->{last_save} = $cf::RUNTIME;
1394		1473
1395	Coro::cede;	1474	$map->load_header
		1475	or return;
1396		1476
1397	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1480	$map->reset;
1399	undef $guard;	1481	undef $guard;
1400	$map = find $path	1482	return find $path;
1401	or return;
1402	}	1483	}
1403		1484
1404	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1405	}	1486	}
1406	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1407		1491
1408	sub load {	1492	sub load {
1409	my ($self) = @_;	1493	my ($self) = @_;
1410		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1411	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1413		1501
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1503
1416	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1417		1505
1418	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1419	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1512	or return;
1421		1513
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1515	if delete $self->{load_original};
1424		1516
1425	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1518	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1520	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1430	}	1522	}
1431	}	1523	}
1432		1524
1433	Coro::cede;	1525	Coro::cede;
1434
1435	# now do the right thing for maps	1526	# now do the right thing for maps
1436	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1437
1438	if ($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)	1528	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1529	unless $self->difficulty;
		1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1448	$self->activate;	1539	$self->activate;
1449	}	1540	}
1450		1541
1451	Coro::cede;
1452
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
		1546	}
		1547
		1548	sub customise_for {
		1549	my ($self, $ob) = @_;
		1550
		1551	return find "~" . $ob->name . "/" . $self->{path}
		1552	if $self->per_player;
		1553
		1554	$self
		1555	}
		1556
		1557	# find and load all maps in the 3x3 area around a map
		1558	sub load_diag {
		1559	my ($map) = @_;
		1560
		1561	my @diag; # diagonal neighbours
		1562
		1563	for (0 .. 3) {
		1564	my $neigh = $map->tile_path ($_)
		1565	or next;
		1566	$neigh = find $neigh, $map
		1567	or next;
		1568	$neigh->load;
		1569
		1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1572	}
		1573
		1574	for (@diag) {
		1575	my $neigh = find @$_
		1576	or next;
		1577	$neigh->load;
		1578	}
1454	}	1579	}
1455		1580
1456	sub find_sync {	1581	sub find_sync {
1457	my ($path, $origin) = @_;	1582	my ($path, $origin) = @_;
1458		1583
1459	cf::sync_job { cf::map::find $path, $origin }	1584	cf::sync_job { find $path, $origin }
1460	}	1585	}
1461		1586
1462	sub do_load_sync {	1587	sub do_load_sync {
1463	my ($map) = @_;	1588	my ($map) = @_;
1464		1589
1465	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1466	}	1591	}
1467		1592
		1593	our %MAP_PREFETCH;
		1594	our $MAP_PREFETCHER = undef;
		1595
		1596	sub find_async {
		1597	my ($path, $origin) = @_;
		1598
		1599	$path = normalise $path, $origin && $origin->{path};
		1600
		1601	if (my $map = $cf::MAP{$path}) {
		1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1603	}
		1604
		1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
		1618	$MAP_PREFETCHER->prio (6);
		1619
		1620	()
		1621	}
		1622
1468	sub save {	1623	sub save {
1469	my ($self) = @_;	1624	my ($self) = @_;
1470		1625
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1627
1473	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1474		1629
1475	return unless $self->dirty;	1630	return unless $self->dirty;
1476		1631
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1634
1480	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1481		1636
1482	return if $self->{deny_save};	1637	return if $self->{deny_save};
1483		1638
…		…
1486	cf::async {	1641	cf::async {
1487	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1488	};	1643	};
1489		1644
1490	if ($uniq) {	1645	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	1648	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	1650	}
1496	}	1651	}
1497		1652
1498	sub swap_out {	1653	sub swap_out {
1499	my ($self) = @_;	1654	my ($self) = @_;
…		…
1513		1668
1514	sub reset_at {	1669	sub reset_at {
1515	my ($self) = @_;	1670	my ($self) = @_;
1516		1671
1517	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1519	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1520		1675
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		1678
…		…
1528	my ($self) = @_;	1683	my ($self) = @_;
1529		1684
1530	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1531	}	1686	}
1532		1687
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	1688	sub reset {
1555	my ($self) = @_;	1689	my ($self) = @_;
1556		1690
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		1692
1559	return if $self->players;	1693	return if $self->players;
1560	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1561		1695
1562	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1563		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1564	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1565		1711
1566	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1567		1713
1568	$self->unlink_save;	1714	$self->unlink_save;
1569	$self->destroy;	1715	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1573		1719
1574	sub nuke {	1720	sub nuke {
1575	my ($self) = @_;	1721	my ($self) = @_;
1576		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1580	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1581	}	1736	}
1582		1737
1583	sub customise_for {	1738	=item cf::map::unique_maps
1584	my ($map, $ob) = @_;
1585		1739
1586	if ($map->per_player) {	1740	Returns an arrayref of paths of all shared maps that have
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1741	instantiated unique items. May block.
1588	}
1589		1742
1590	$map	1743	=cut
1591	}
1592		1744
1593	sub emergency_save {	1745	sub unique_maps() {
1594	my $freeze_guard = cf::freeze_mainloop;	1746	my $files = aio_readdir $UNIQUEDIR
		1747	or return;
1595		1748
1596	warn "enter emergency perl save\n";	1749	my @paths;
1597		1750
1598	cf::sync_job {	1751	for (@$files) {
1599	warn "begin emergency player save\n";	1752	utf8::decode $_;
1600	$_->save for values %cf::PLAYER;	1753	next if /\.pst$/;
1601	warn "end emergency player save\n";	1754	next unless /^$PATH_SEP/o;
1602		1755
1603	warn "begin emergency map save\n";	1756	push @paths, cf::map::normalise $_;
1604	$_->save for values %cf::MAP;
1605	warn "end emergency map save\n";
1606	};	1757	}
1607		1758
1608	warn "leave emergency perl save\n";	1759	\@paths
1609	}	1760	}
1610		1761
1611	package cf;	1762	package cf;
1612		1763
1613	=back	1764	=back
1614		1765
		1766	=head3 cf::object
		1767
		1768	=cut
		1769
		1770	package cf::object;
		1771
		1772	=over 4
		1773
		1774	=item $ob->inv_recursive
		1775
		1776	Returns the inventory of the object _and_ their inventories, recursively.
		1777
		1778	=cut
		1779
		1780	sub inv_recursive_;
		1781	sub inv_recursive_ {
		1782	map { $_, inv_recursive_ $_->inv } @_
		1783	}
		1784
		1785	sub inv_recursive {
		1786	inv_recursive_ inv $_[0]
		1787	}
		1788
		1789	package cf;
		1790
		1791	=back
1615		1792
1616	=head3 cf::object::player	1793	=head3 cf::object::player
1617		1794
1618	=over 4	1795	=over 4
1619		1796
…		…
1659		1836
1660	=item $player_object->enter_link	1837	=item $player_object->enter_link
1661		1838
1662	Freezes the player and moves him/her to a special map (C<{link}>).	1839	Freezes the player and moves him/her to a special map (C<{link}>).
1663		1840
1664	The player should be reaosnably safe there for short amounts of time. You	1841	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.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1666		1843
		1844	Will never block.
		1845
1667	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1668		1847
1669	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	1851	fails, to the emergency map position.
1673		1852
1674	Might block.	1853	Might block.
1675		1854
1676	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($LINK_MAP) {
		1859	$LINK_MAP = cf::map::find "{link}"
		1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1861	$LINK_MAP->load;
		1862	}
		1863
		1864	$LINK_MAP
		1865	}
1677		1866
1678	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1679	my ($self) = @_;	1868	my ($self) = @_;
1680		1869
1681	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1682		1871
1683	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		1873
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	1875	if $self->map;
1687		1876
1688	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	1878	}
1690		1879
1691	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1693		1882
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	1900	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	1901	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	1902	if $x <=0 && $y <= 0;
1714		1903
1715	$map->load;	1904	$map->load;
		1905	$map->load_diag;
1716		1906
1717	return unless $self->contr->active;	1907	return unless $self->contr->active;
1718	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1720	}	1912	}
1721		1913
1722	cf::player->attach (	1914	cf::player->attach (
1723	on_logout => sub {	1915	on_logout => sub {
…		…
1736	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes	1929	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1740	(async {	1932	(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,	1933	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1747	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1749	})->prio (2);	1941	})->prio (2);
1750	}	1942	}
1751	},	1943	},
…		…
1756	=cut	1948	=cut
1757		1949
1758	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1760		1952
1761	$path = new cf::path $path;
1762	$path ne "/" or Carp::cluck ("oy");#d#
1763
1764	$self->enter_link;	1953	$self->enter_link;
1765		1954
1766	(async {	1955	(async {
		1956	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1768	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1769		1959	$map
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1774		1962
1775	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1776	})->prio (1);	1964	})->prio (1);
1777	}	1965	}
1778		1966
…		…
1782		1970
1783	sub parse_random_map_params {	1971	sub parse_random_map_params {
1784	my ($spec) = @_;	1972	my ($spec) = @_;
1785		1973
1786	my $rmp = { # defaults	1974	my $rmp = { # defaults
1787	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1789	};	1979	};
1790		1980
1791	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1793		1983
…		…
1797	$rmp	1987	$rmp
1798	}	1988	}
1799		1989
1800	sub prepare_random_map {	1990	sub prepare_random_map {
1801	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		1994
1803	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	1997	# that depends on the exit object
1806		1998
1807	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1808		2000
1809	if ($exit->map) {	2001	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1814	}	2006	}
1815		2007
1816	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1817		2009
1818	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1820		2013
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1823		2018
1824	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2020	$exit->msg (undef);
1826	}	2021	}
1827	}	2022	}
1828		2023
1829	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1831		2026
1832	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
1833		2039
1834	$self->enter_link;	2040	$self->enter_link;
1835		2041
1836	(async {	2042	(async {
1837	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2044	unless (eval {
1839	prepare_random_map $exit	2045	$self->goto ($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		2046
1845	1;	2047	1;
1846	}) {	2048	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2051	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2053
1852	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2055	$self->leave_link;
1854	}	2056	}
1855	})->prio (1);	2057	})->prio (1);
…		…
1868		2070
1869	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1871		2073
1872	utf8::encode $text;	2074	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2076	}
1875		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1876		2090
1877	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1878		2092
1879	Queues a query to the client, calling the given callback with	2093	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>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1909	# get handled first	2123	# get handled first
1910	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2126
1913	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2129
1915	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1916		2131
1917	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2133	if (@$queue) {
…		…
1976		2191
1977	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1978		2193
1979	=pod	2194	=pod
1980		2195
1981	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1982		2197
1983	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1984	cf::object::player player	2199	cf::object::player player
1985	cf::player peaceful	2200	cf::player peaceful
1986	cf::map trigger	2201	cf::map trigger
…		…
2071	#############################################################################	2286	#############################################################################
2072		2287
2073	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2074		2289
2075	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2076	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2077	excludes objects.	2292	convert to/from binary).
2078		2293
2079	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2080	using it, it should be unique.	2295	using it, it should be unique.
2081		2296
2082	=over 4	2297	=over 4
2083		2298
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	2299	=item $value = cf::db_get $family => $key
2091		2300
2092	Returns a single value from the database	2301	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		2302
2099	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2100		2304
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	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		2306
2112	=cut	2307	=cut
2113		2308
2114	our $DB;	2309	our $DB;
2115		2310
2116	{	2311	sub db_init {
2117	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2118		2314
2119	sub db_load() {	2315	cf::sync_job {
2120	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2121	}	2317	$DB->set_flags (BDB::CHKSUM);
2122		2318
2123	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2124		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2125	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2126	waitpid $pid, 0 if $pid;	2322	};
2127	if (0 == ($pid = fork)) {	2323	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	}	2324	};
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	});	2325	}
		2326	}
2145		2327
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {	2328	sub db_get($$) {
2152	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2157	sub db_put($$;$) {	2339	sub db_put($$$) {
2158	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2159	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2160	} else {	2342	}
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165		2343
2166	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2167	prio => 10000,	2345
2168	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2169	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2170	},	2376	}
2171	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2172	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2173		2459
2174	#############################################################################	2460	#############################################################################
2175	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2176		2549
2177	sub cfg_load {	2550	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2552	or return;
2180		2553
2181	local $/;	2554	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2183		2556
…		…
2197		2570
2198	sub main {	2571	sub main {
2199	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2575	(async {
2202	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2203	};	2578	};
2204		2579
2205	cfg_load;	2580	cfg_load;
2206	db_load;	2581	db_init;
2207	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2208	Event::loop;	2585	Event::loop;
2209	}	2586	}
2210		2587
2211	#############################################################################	2588	#############################################################################
2212	# initialisation	2589	# initialisation and cleanup
2213		2590
		2591	# install some emergency cleanup handlers
		2592	BEGIN {
		2593	for my $signal (qw(INT HUP TERM)) {
		2594	Event->signal (
		2595	reentrant => 0,
		2596	data => WF_AUTOCANCEL,
		2597	signal => $signal,
		2598	prio => 0,
		2599	cb => sub {
		2600	cf::cleanup "SIG$signal";
		2601	},
		2602	);
		2603	}
		2604	}
		2605
		2606	sub emergency_save() {
		2607	my $freeze_guard = cf::freeze_mainloop;
		2608
		2609	warn "enter emergency perl save\n";
		2610
		2611	cf::sync_job {
		2612	# use a peculiar iteration method to avoid tripping on perl
		2613	# refcount bugs in for. also avoids problems with players
		2614	# and maps saved/destroyed asynchronously.
		2615	warn "begin emergency player save\n";
		2616	for my $login (keys %cf::PLAYER) {
		2617	my $pl = $cf::PLAYER{$login} or next;
		2618	$pl->valid or next;
		2619	$pl->save;
		2620	}
		2621	warn "end emergency player save\n";
		2622
		2623	warn "begin emergency map save\n";
		2624	for my $path (keys %cf::MAP) {
		2625	my $map = $cf::MAP{$path} or next;
		2626	$map->valid or next;
		2627	$map->save;
		2628	}
		2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
		2634	};
		2635
		2636	warn "leave emergency perl save\n";
		2637	}
		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2214	sub reload() {	2646	sub do_reload_perl() {
2215	# can/must only be called in main	2647	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2218	return;	2650	return;
2219	}	2651	}
2220		2652
2221	warn "reloading...";	2653	warn "reloading...";
2222		2654
2223	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2225		2661
2226	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2227	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2228		2666
2229	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	2670	}
2233		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2234	# cancel all extension coros	2683	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	2685	%EXT_CORO = ();
2237		2686
2238	# unload all extensions	2687	warn "removing commands";
2239	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2241	unload_extension $_;	2696
		2697	if (my $cb = $pkg->can ("unload")) {
		2698	eval {
		2699	$cb->($pkg);
		2700	1
		2701	} or warn "$pkg unloaded, but with errors: $@";
2242	}	2702	}
2243		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2244	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		2711
2248	warn "removing <$k>";	2712	warn "... unloading $k";
2249	delete $INC{$k};	2713	delete $INC{$k};
2250		2714
2251	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2253		2717
…		…
2256	}	2720	}
2257		2721
2258	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2259	}	2723	}
2260		2724
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		2728
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2274		2732
2275	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2276	# and global variables created in xs	2734	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2278		2736
2279	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2280	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2281	require cf;	2740	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		2742
2284	# load config and database again	2743	warn "loading config and database again";
2285	cf::cfg_load;	2744	cf::cfg_load;
2286	cf::db_load;
2287		2745
2288	# load extensions
2289	warn "load extensions";	2746	warn "loading extensions";
2290	cf::load_extensions;	2747	cf::load_extensions;
2291		2748
2292	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2293	warn "reattach";	2750	_global_reattach; # objects, sockets
2294	_global_reattach;	2751	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2296	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2297		2755
2298	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2299	warn $@;	2760	warn $@;
2300	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2301	exit 1;	2762	exit 1;
2302	}	2763	};
2303		2764
2304	warn "reloaded successfully";	2765	warn "reloaded";
2305	};	2766	};
2306		2767
2307	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2308		2769
2309	unless ($LINK_MAP) {	2770	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
2311		2773
2312	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	2775	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,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2322	cb => sub {	2778	cb => sub {
2323	$_[0]->w->cancel;	2779	do_reload_perl;
2324		2780	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	});	2781	},
2343		2782	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	2783	}
2349
2350	register "<global>", __PACKAGE__;
2351		2784
2352	register_command "reload" => sub {	2785	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2354		2787
2355	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2359	}	2791	}
2360	};	2792	};
2361		2793
2362	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2363		2818
2364	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2366	prio => 0,	2822	prio => 0,
2367	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2369	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
		2832	$NOW = Event::time;
		2833
2370	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2371	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2373		2838
		2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
		2849
2374	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2376		2852
2377	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2379	},	2864	},
2380	);	2865	);
2381		2866
		2867	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2383		2869	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	2870	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2386	poll => 'r',	2872	poll => 'r',
2387	prio => 5,	2873	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2394	after => 0,	2875	cb => \&BDB::poll_cb,
2395	interval => 10,	2876	);
2396	cb => sub {	2877	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	2878
2398	write_runtime	2879	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	2913	};
2401	},	2914	}
2402	);	2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
		2922	$AIO_POLL_WATCHER = Event->io (
		2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
		2925	fd => IO::AIO::poll_fileno,
		2926	poll => 'r',
		2927	prio => 6,
		2928	cb => \&IO::AIO::poll_cb,
		2929	);
		2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2403		2972
2404	END { cf::emergency_save }	2973	END { cf::emergency_save }
2405		2974
2406	1	2975	1
2407		2976

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