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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		84
57	binmode STDOUT;	85	binmode STDOUT;
58	binmode STDERR;	86	binmode STDERR;
59		87
60	# read virtual server time, if available	88	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	95	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
72		101
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
76		105
77	#############################################################################	106	#############################################################################
78		107
79	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
80		109
…		…
104		133
105	=item %cf::CFG	134	=item %cf::CFG
106		135
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
…		…
117	utf8::encode $msg;	153	utf8::encode $msg;
118		154
119	$msg .= "\n"	155	$msg .= "\n"
120	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
121		157
122	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
123	};	159	};
124	}	160	}
125		161
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		181
146	$Event::DIED = sub {	182	$Event::DIED = sub {
147	warn "error in event callback: @_";	183	warn "error in event callback: @_";
148	};	184	};
149		185
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
155		187
156	=over 4	188	=over 4
157		189
158	=cut	190	=item dumpval $ref
159		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		214
162	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
163		216
164	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
165		218
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
174		220
175	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		222
184	=item cf::lock_wait $string	223	=item cf::lock_wait $string
185		224
186	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
187		226
…		…
224	}	263	}
225		264
226	sub freeze_mainloop {	265	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	266	return unless $TICK_WATCHER->is_active;
228		267
229	my $guard = Coro::guard { $TICK_WATCHER->start };	268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
230	$TICK_WATCHER->stop;	271	$TICK_WATCHER->stop;
231	$guard	272	$guard
232	}	273	}
233		274
234	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
…		…
286	}	327	}
287	}	328	}
288		329
289	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
290		331
291	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	333	extension calling this is being unloaded.
293		334
294	=cut	335	=cut
295		336
296	sub async_ext(&) {	337	sub async_ext(&) {
…		…
305		346
306	$coro	347	$coro
307	}	348	}
308		349
309	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
310	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
311		354
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
313	or return;	356	or return;
314		357
		358	my $value = $cf::RUNTIME + 90 + 10;
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;	363	and return;
318		364
		365	# always fsync - this file is important
319	aio_fsync $fh	366	aio_fsync $fh
320	and return;	367	and return;
321		368
322	close $fh	369	close $fh
323	or return;	370	or return;
…		…
326	and return;	373	and return;
327		374
328	1	375	1
329	}	376	}
330		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
331	=back	389	=back
332		390
333	=cut	391	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		392
455	#############################################################################	393	#############################################################################
456		394
457	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
458		396
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	523	our @CB_MAP = ();
586		524
587	my %attachment;	525	my %attachment;
588		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
589	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
591		535
592	use sort 'stable';	536	use sort 'stable';
593		537
…		…
764	# object support	708	# object support
765		709
766	sub reattach {	710	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		715
770	my $registry = $obj->registry;	716	my $registry = $obj->registry;
771		717
772	@$registry = ();	718	@$registry = ();
773		719
…		…
820	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
821		767
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	772	close $fh;
827		773
828	if (@$objs) {	774	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	780	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
836	}	782	}
837	} else {	783	} else {
838	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
905	=cut	851	=cut
906		852
907	sub register_extcmd {	853	sub register_extcmd {
908	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
909		855
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
914	}	857	}
915		858
916	cf::player->attach (	859	cf::player->attach (
917	on_command => sub {	860	on_command => sub {
918	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
931		874
932	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
933		876
934	if (ref $msg) {	877	if (ref $msg) {
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
937	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
938	}	881	}
939	}	882	}
940	} else {	883	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
943		886
944	cf::override;	887	cf::override;
945	},	888	},
946	);	889	);
947		890
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	891	sub load_extension {
955	my ($path) = @_;	892	my ($path) = @_;
956		893
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
958	my $base = $1;	895	my $base = $1;
959	my $pkg = $1;	896	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
962		899
963	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
964		901
965	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
966	or die "$path: $!";	903	or die "$path: $!";
967		904
968	my $source =	905	my $source =
969	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
972	. "\n};\n1";	909	. "\n};\n1";
973		910
974	eval $source	911	unless (eval $source) {
975	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
976	: "extension disabled.\n";	913	: "extension disabled.\n";
977		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978	push @exts, $pkg;	915	warn $@;
979	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
980		917	exit 1;
981	# no strict 'refs';	918	}
982	# @{"$pkg\::ISA"} = ext::;	919	die $@;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	920	}
997		921
998	# remove commands	922	push @EXTS, $pkg;
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}	923	}
1023		924
1024	sub load_extensions {	925	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;	927	next unless -r $ext;
…		…
1030	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1031	}	932	}
1032	}	933	}
1033		934
1034	#############################################################################	935	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071		936
1072	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1073		938
1074	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1075		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1076	=head3 cf::player	947	=head3 cf::player
1077		948
1078	=over 4	949	=over 4
1079		950
1080	=item cf::player::exists $login	951	=item cf::player::find $login
1081		952
1082	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1083		954
1084	=cut	955	=cut
1085		956
1086	sub cf::player::exists($) {	957	sub playerdir($) {
1087	cf::player::find $_[0]	958	cf::localdir
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1089	}	963	}
1090		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1092		1130
1093	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1094		1132
1095	=cut	1133	=cut
1096		1134
1097	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1098	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1099		1137
1100	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1101		1139
1102	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1103	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1104		1160
1105	=back	1161	=back
1106		1162
1107		1163
1108	=head3 cf::map	1164	=head3 cf::map
…		…
1114	package cf::map;	1170	package cf::map;
1115		1171
1116	use Fcntl;	1172	use Fcntl;
1117	use Coro::AIO;	1173	use Coro::AIO;
1118		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1119	our $MAX_RESET = 3600;	1179	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1180	our $DEFAULT_RESET = 3000;
1121		1181
1122	sub generate_random_map {	1182	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1185	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1139	}	1327	}
1140		1328
1141	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1142	# all maps in C++...	1330	# all maps in C++...
1143	sub change_all_map_light {	1331	sub change_all_map_light {
…		…
1145		1333
1146	$_->change_map_light ($change)	1334	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1335	for grep $_->outdoor, values %cf::MAP;
1148	}	1336	}
1149		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1150	sub try_load_header($) {	1346	sub load_header_from($) {
1151	my ($path) = @_;	1347	my ($self, $path) = @_;
1152		1348
1153	utf8::encode $path;	1349	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1155	or return;	1354	or return;
1156		1355
1157	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1158	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1159		1402
1160	# for better error messages only, will be overwritten	1403	1
1161	$map->path ($path);
1162
1163	$map->load_header ($path)
1164	or return;
1165
1166	$map->{load_path} = $path;
1167
1168	$map
1169	}	1404	}
1170		1405
1171	sub find;	1406	sub find;
1172	sub find {	1407	sub find {
1173	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1174		1409
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1411
1180	cf::lock_wait "map_find:$key";	1412	cf::lock_wait "map_find:$path";
1181		1413
1182	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1415	my $guard = cf::lock_acquire "map_find:$path";
1184		1416	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1417	or return;
1204		1418
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1419	$map->{last_save} = $cf::RUNTIME;
1217		1420
1218	Coro::cede;	1421	$map->load_header
		1422	or return;
1219		1423
1220	if ($map->should_reset) {	1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1427	$map->reset;
1222	undef $guard;	1428	undef $guard;
1223	$map = find $path	1429	return find $path;
1224	or return;
1225	}	1430	}
1226		1431
1227	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1228	}	1433	}
1229	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1230		1438
1231	sub load {	1439	sub load {
1232	my ($self) = @_;	1440	my ($self) = @_;
1233		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
1234	my $path = $self->{path};	1444	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1445	my $guard = cf::lock_acquire "map_load:$path";
1236		1446
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1448
1239	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1240		1450
1241	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1242	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1456	or return;
1244		1457
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1459	if delete $self->{load_original};
1247		1460
1248	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1462	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1464	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1253	}	1466	}
1254	}	1467	}
1255		1468
1256	Coro::cede;	1469	Coro::cede;
1257		1470
1258	# now do the right thing for maps	1471	# now do the right thing for maps
1259	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1260		1473
1261	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1262	$self->{deny_save} = 1;	1475	$self->decay_objects;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1268	$self->set_darkness_map;	1479	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1271	$self->activate;	1483	$self->activate;
1272	}	1484	}
1273		1485
1274	Coro::cede;	1486	$self->post_load;
1275		1487
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
		1489	}
		1490
		1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
1277	}	1522	}
1278		1523
1279	sub find_sync {	1524	sub find_sync {
1280	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1281		1526
1282	cf::sync_job { cf::map::find $path, $origin }	1527	cf::sync_job { find $path, $origin }
1283	}	1528	}
1284		1529
1285	sub do_load_sync {	1530	sub do_load_sync {
1286	my ($map) = @_;	1531	my ($map) = @_;
1287		1532
1288	cf::sync_job { $map->load };	1533	cf::sync_job { $map->load };
1289	}	1534	}
1290		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
		1554	$map->load;
		1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
		1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
		1564	}
		1565
1291	sub save {	1566	sub save {
1292	my ($self) = @_;	1567	my ($self) = @_;
1293		1568
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1295		1570
1296	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1297		1572
1298	return unless $self->dirty;	1573	return unless $self->dirty;
1299		1574
1300	my $save = $self->{path}->save_path; utf8::encode $save;	1575	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		1577
1303	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1304		1579
1305	return if $self->{deny_save};	1580	return if $self->{deny_save};
1306		1581
1307	local $self->{last_access} = $self->last_access;#d#	1582	local $self->{last_access} = $self->last_access;#d#
1308		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1309	if ($uniq) {	1588	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	1591	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	1593	}
1315	}	1594	}
1316		1595
1317	sub swap_out {	1596	sub swap_out {
1318	my ($self) = @_;	1597	my ($self) = @_;
…		…
1332		1611
1333	sub reset_at {	1612	sub reset_at {
1334	my ($self) = @_;	1613	my ($self) = @_;
1335		1614
1336	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1338	return 1e99 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1339		1618
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		1621
…		…
1347	my ($self) = @_;	1626	my ($self) = @_;
1348		1627
1349	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1350	}	1629	}
1351		1630
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	1631	sub reset {
1374	my ($self) = @_;	1632	my ($self) = @_;
1375		1633
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		1635
1378	return if $self->players;	1636	return if $self->players;
1379	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1380		1638
1381	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1382		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1383	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1384		1654
1385	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1386		1656
1387	$self->unlink_save;	1657	$self->unlink_save;
1388	$self->destroy;	1658	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	1661	my $nuke_counter = "aaaa";
1392		1662
1393	sub nuke {	1663	sub nuke {
1394	my ($self) = @_;	1664	my ($self) = @_;
1395		1665
		1666	delete $cf::MAP{$self->path};
		1667
		1668	$self->unlink_save;
		1669
		1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	1672	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	1673	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1675
		1676	$cf::MAP{$self->path} = $self;
		1677
1399	$self->reset; # polite request, might not happen	1678	$self->reset; # polite request, might not happen
1400	}	1679	}
1401		1680
1402	sub customise_for {	1681	=item cf::map::unique_maps
1403	my ($map, $ob) = @_;
1404		1682
1405	if ($map->per_player) {	1683	Returns an arrayref of paths of all shared maps that have
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1684	instantiated unique items. May block.
1407	}
1408		1685
1409	$map	1686	=cut
1410	}
1411		1687
1412	sub emergency_save {	1688	sub unique_maps() {
1413	my $freeze_guard = cf::freeze_mainloop;	1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
1414		1691
1415	warn "enter emergency map save\n";	1692	my @paths;
1416		1693
1417	cf::sync_job {	1694	for (@$files) {
1418	warn "begin emergency map save\n";	1695	utf8::decode $_;
1419	$_->save for values %cf::MAP;	1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1420	};	1700	}
1421		1701
1422	warn "end emergency map save\n";	1702	\@paths
1423	}	1703	}
1424		1704
1425	package cf;	1705	package cf;
1426		1706
1427	=back	1707	=back
1428		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1429		1735
1430	=head3 cf::object::player	1736	=head3 cf::object::player
1431		1737
1432	=over 4	1738	=over 4
1433		1739
…		…
1473		1779
1474	=item $player_object->enter_link	1780	=item $player_object->enter_link
1475		1781
1476	Freezes the player and moves him/her to a special map (C<{link}>).	1782	Freezes the player and moves him/her to a special map (C<{link}>).
1477		1783
1478	The player should be reaosnably safe there for short amounts of time. You	1784	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	1785	I<MUST> call C<leave_link> as soon as possible, though.
1480		1786
		1787	Will never block.
		1788
1481	=item $player_object->leave_link ($map, $x, $y)	1789	=item $player_object->leave_link ($map, $x, $y)
1482		1790
1483	Moves the player out of the specila link map onto the given map. If the	1791	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	1792	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	1793	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	1794	fails, to the emergency map position.
1487		1795
1488	Might block.	1796	Might block.
1489		1797
1490	=cut	1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
1491		1809
1492	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1493	my ($self) = @_;	1811	my ($self) = @_;
1494		1812
1495	$self->deactivate_recursive;	1813	$self->deactivate_recursive;
1496		1814
1497	return if $self->map == $LINK_MAP;	1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		1816
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	1818	if $self->map;
1501		1819
1502	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	1821	}
1504		1822
1505	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1507		1825
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1528		1846
1529	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1530		1849
		1850	return unless $self->contr->active;
1531	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1533	}	1855	}
1534		1856
1535	cf::player->attach (	1857	cf::player->attach (
1536	on_logout => sub {	1858	on_logout => sub {
…		…
1547	my ($pl) = @_;	1869	my ($pl) = @_;
1548		1870
1549	# try to abort aborted map switching on player login :)	1871	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes	1872	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {	1873	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;	1874	$pl->ob->enter_link;
1554	(async {	1875	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,	1876	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "	1877	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",	1878	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);	1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
1561	Coro::Timer::sleep 1;	1882	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;	1883	$pl->ob->leave_link;
1563	})->prio (2);	1884	})->prio (2);
1564	}	1885	}
1565	},	1886	},
…		…
1573	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1574		1895
1575	$self->enter_link;	1896	$self->enter_link;
1576		1897
1577	(async {	1898	(async {
1578	$path = new cf::path $path;	1899	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	1900	my $map = cf::map::find $path;
1581	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1582		1902	$map
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	1903	} or
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1587		1905
1588	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1589	})->prio (1);	1907	})->prio (1);
1590	}	1908	}
1591		1909
…		…
1595		1913
1596	sub parse_random_map_params {	1914	sub parse_random_map_params {
1597	my ($spec) = @_;	1915	my ($spec) = @_;
1598		1916
1599	my $rmp = { # defaults	1917	my $rmp = { # defaults
1600	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1602	};	1922	};
1603		1923
1604	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1606		1926
…		…
1610	$rmp	1930	$rmp
1611	}	1931	}
1612		1932
1613	sub prepare_random_map {	1933	sub prepare_random_map {
1614	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		1937
1616	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	1940	# that depends on the exit object
1619		1941
1620	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1621		1943
1622	if ($exit->map) {	1944	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1627	}	1949	}
1628		1950
1629	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1630		1952
1631	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1633		1956
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1636		1961
1637	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	1963	$exit->msg (undef);
1639	}	1964	}
1640	}	1965	}
1641		1966
1642	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1644		1969
1645	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
1646		1980
1647	$self->enter_link;	1981	$self->enter_link;
1648		1982
1649	(async {	1983	(async {
1650	$self->deactivate_recursive; # just to be sure	1984	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	1985	unless (eval {
1652	prepare_random_map $exit	1986	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		1987
1658	1;	1988	1;
1659	}) {	1989	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1664		1994
1665	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	1996	$self->leave_link;
1667	}	1997	}
…		…
1681		2011
1682	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1684		2014
1685	utf8::encode $text;	2015	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2017	}
1688		2018
1689		2019
1690	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1691		2021
…		…
1722	# get handled first	2052	# get handled first
1723	my $queue = delete $ns->{query_queue}	2053	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2055
1726	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2058
1728	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1729		2060
1730	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2062	if (@$queue) {
…		…
1789		2120
1790	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1791		2122
1792	=pod	2123	=pod
1793		2124
1794	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1795		2126
1796	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1797	cf::object::player player	2128	cf::object::player player
1798	cf::player peaceful	2129	cf::player peaceful
1799	cf::map trigger	2130	cf::map trigger
…		…
1892	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1893	using it, it should be unique.	2224	using it, it should be unique.
1894		2225
1895	=over 4	2226	=over 4
1896		2227
1897	=item $hashref = cf::db_get $family
1898
1899	Return a hashref for use by the extension C<$family>, which can be
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902
1903	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
1904		2229
1905	Returns a single value from the database	2230	Returns a single value from the database.
1906
1907	=item cf::db_put $family => $hashref
1908
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911		2231
1912	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1913		2233
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924		2235
1925	=cut	2236	=cut
1926		2237
1927	our $DB;	2238	our $DB;
1928		2239
1929	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1930	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1931		2259
1932	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1933	$DB = stat $path ? Storable::retrieve $path : { };	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1934	}	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
		2263	BDB::db_env_txn_checkpoint $DB_ENV;
1935		2264
1936	my $pid;	2265	unlink $path;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}	2266	};
1946	}	2267	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});	2268	}
		2269	}
1958		2270
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}
1963
1964	sub db_get($;$) {	2271	sub db_get($$) {
1965	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1966	? $DB->{$_[0]}{$_[1]}
1967	: ($DB->{$_[0]} ||= { })
1968	}
1969		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1970	sub db_put($$;$) {	2282	sub db_put($$$) {
1971	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1972	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1973	} else {	2321	} else {
1974	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2323	}
1984	);	2324	Coro::cede;
1985	}	2325	}
1986		2326
1987	#############################################################################	2327	1
1988	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1989		2340
1990	sub cfg_load {	2341	sub cfg_load {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1992	or return;	2343	or return;
1993		2344
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		2352
2002	if (exists $CFG{mlockall}) {	2353	if (exists $CFG{mlockall}) {
2003	eval {	2354	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	2356	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	2357	};
2007	warn $@ if $@;	2358	warn $@ if $@;
2008	}	2359	}
2009	}	2360	}
2010		2361
2011	sub main {	2362	sub main {
2012	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2366	(async {
2015	async { Event::one_event };	2367	Event::one_event;
		2368	})->prio (Coro::PRIO_MAX);
2016	};	2369	};
2017		2370
2018	cfg_load;	2371	cfg_load;
2019	db_load;	2372	db_init;
2020	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
2021	Event::loop;	2376	Event::loop;
2022	}	2377	}
2023		2378
2024	#############################################################################	2379	#############################################################################
2025	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
2026		2436
2027	sub reload() {	2437	sub reload() {
2028	# can/must only be called in main	2438	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
2031	return;	2441	return;
2032	}	2442	}
2033		2443
2034	warn "reloading...";	2444	warn "reloading...";
2035		2445
2036	my $guard = freeze_mainloop;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
2038		2452
2039	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
2040	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
2041		2457
2042	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	2461	}
2046		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
2047	# cancel all extension coros	2474	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	2476	%EXT_CORO = ();
2050		2477
2051	# unload all extensions	2478	warn "removing commands";
2052	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	2486	warn "... unloading $pkg";
2054	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
2055	}	2493	}
2056		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
2057	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		2502
2061	warn "removing <$k>";	2503	warn "... unloading $k";
2062	delete $INC{$k};	2504	delete $INC{$k};
2063		2505
2064	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
2066		2508
…		…
2069	}	2511	}
2070		2512
2071	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
2072	}	2514	}
2073		2515
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		2519
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
2087		2522
2088	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
2089	# and global variables created in xs	2524	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
2091		2526
2092	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
2093	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
2094	require cf;	2530	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		2532
2097	# load config and database again	2533	warn "loading config and database again";
2098	cf::cfg_load;	2534	cf::cfg_load;
2099	cf::db_load;
2100		2535
2101	# load extensions
2102	warn "load extensions";	2536	warn "loading extensions";
2103	cf::load_extensions;	2537	cf::load_extensions;
2104		2538
2105	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
2106	warn "reattach";	2540	_global_reattach; # objects, sockets
2107	_global_reattach;	2541	warn "reattaching attachments to maps";
2108	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
2109		2545
2110	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
2111	warn $@;	2553	warn $@;
2112	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
2113	exit 1;	2555	exit 1;
2114	}	2556	};
2115		2557
2116	warn "reloaded successfully";	2558	warn "reloaded";
2117	};	2559	};
2118		2560
2119	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
2120
2121	unless ($LINK_MAP) {
2122	$LINK_MAP = cf::map::new;
2123
2124	$LINK_MAP->width (41);
2125	$LINK_MAP->height (41);
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,
2134	cb => sub {
2135	$_[0]->w->cancel;
2136
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});
2155
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}
2161
2162	register "<global>", __PACKAGE__;
2163		2562
2164	register_command "reload" => sub {	2563	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
2166		2565
2167	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
2169	reload;	2577	reload;
2170	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
2171	}	2581	}
2172	};	2582	};
2173		2583
2174	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
2175		2587
2176	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2178	prio => 0,	2591	prio => 0,
2179	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2181	cb => sub {	2594	cb => sub {
		2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2182	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2183	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2185		2620
2186	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188		2623
2189	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2191	},	2626	},
2192	);	2627	);
2193		2628
		2629	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2195		2631	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	2632	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2198	poll => 'r',	2634	poll => 'r',
2199	prio => 5,	2635	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2206	after => 0,	2637	cb => \&BDB::poll_cb,
2207	interval => 10,	2638	);
2208	cb => sub {	2639	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	2640
2210	write_runtime	2641	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	2675	};
2213	},	2676	}
2214	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
2215		2693
2216	END { cf::emergency_save }	2694	END { cf::emergency_save }
2217		2695
2218	1	2696	1
2219		2697

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