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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3 ();	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
25		27
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	28	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		29
		30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		31
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	33	$YAML::Syck::ImplicitUnicode = 1;
30		34
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		36
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	our %COMMAND = ();	37	our %COMMAND = ();
36	our %COMMAND_TIME = ();	38	our %COMMAND_TIME = ();
		39
		40	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	41	our %EXTCMD = ();
		42	our %EXT_CORO = (); # coroutines bound to extensions
		43	our %EXT_MAP = (); # pluggable maps
38		44
39	our @EVENT;	45	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	46	our $LIBDIR = datadir . "/ext";
41		47
42	our $TICK = MAX_TIME * 1e-6;	48	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	49	our $TICK_WATCHER;
		50	our $AIO_POLL_WATCHER;
		51	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	52	our $NEXT_TICK;
45	our $NOW;	53	our $NOW;
		54	our $USE_FSYNC = 1; # use fsync to write maps - default off
		55
		56	our $BDB_POLL_WATCHER;
		57	our $DB_ENV;
46		58
47	our %CFG;	59	our %CFG;
48		60
49	our $UPTIME; $UPTIME ||= time;	61	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	62	our $RUNTIME;
51		63
		64	our %PLAYER; # all users
52	our %MAP; # all maps	65	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	66	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	67	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	68	our $BDB_ENV_DIR = cf::localdir . "/db";
		69
		70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		72
		73	# used to convert map paths into valid unix filenames by replacing / by ∕
		74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		75
57	binmode STDOUT;	76	binmode STDOUT;
58	binmode STDERR;	77	binmode STDERR;
59		78
60	# read virtual server time, if available	79	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	86	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	87	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	88	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	89	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	90	mkdir $RANDOM_MAPS;
		91	mkdir $BDB_ENV_DIR;
72		92
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	93	our $EMERGENCY_POSITION;
		94
		95	sub cf::map::normalise;
76		96
77	#############################################################################	97	#############################################################################
78		98
79	=head2 GLOBAL VARIABLES	99	=head2 GLOBAL VARIABLES
80		100
…		…
104		124
105	=item %cf::CFG	125	=item %cf::CFG
106		126
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	127	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	128	from wherever your confdir points to.
		129
		130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		131
		132	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		133	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		134	processing has been done. Call C<< ->wait >> on them to maximise the
		135	window of cpu time available, or simply to synchronise to the server tick.
109		136
110	=back	137	=back
111		138
112	=cut	139	=cut
113		140
…		…
117	utf8::encode $msg;	144	utf8::encode $msg;
118		145
119	$msg .= "\n"	146	$msg .= "\n"
120	unless $msg =~ /\n$/;	147	unless $msg =~ /\n$/;
121		148
122	LOG llevError, "cfperl: $msg";	149	LOG llevError, $msg;
123	};	150	};
124	}	151	}
125		152
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		172
146	$Event::DIED = sub {	173	$Event::DIED = sub {
147	warn "error in event callback: @_";	174	warn "error in event callback: @_";
148	};	175	};
149		176
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	177	=head2 UTILITY FUNCTIONS
155		178
156	=over 4	179	=over 4
157		180
		181	=item dumpval $ref
		182
158	=cut	183	=cut
		184
		185	sub dumpval {
		186	eval {
		187	local $SIG{__DIE__};
		188	my $d;
		189	if (1) {
		190	$d = new Data::Dumper([$_[0]], ["*var"]);
		191	$d->Terse(1);
		192	$d->Indent(2);
		193	$d->Quotekeys(0);
		194	$d->Useqq(1);
		195	#$d->Bless(...);
		196	$d->Seen($_[1]) if @_ > 1;
		197	$d = $d->Dump();
		198	}
		199	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		200	$d
		201	} || "[unable to dump $_[0]: '$@']";
		202	}
159		203
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	204	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		205
162	=item $ref = cf::from_json $json	206	=item $ref = cf::from_json $json
163		207
…		…
224	}	268	}
225		269
226	sub freeze_mainloop {	270	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	271	return unless $TICK_WATCHER->is_active;
228		272
229	my $guard = Coro::guard { $TICK_WATCHER->start };	273	my $guard = Coro::guard {
		274	$TICK_WATCHER->start;
		275	$WRITE_RUNTIME_WATCHER->start;
		276	};
		277	$WRITE_RUNTIME_WATCHER->stop;
230	$TICK_WATCHER->stop;	278	$TICK_WATCHER->stop;
231	$guard	279	$guard
232	}	280	}
233		281
234	=item cf::async { BLOCK }	282	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	321	warn $@ if $@;
274	undef $busy;	322	undef $busy;
275	})->prio (Coro::PRIO_MAX);	323	})->prio (Coro::PRIO_MAX);
276		324
277	while ($busy) {	325	while ($busy) {
278	unless (Coro::cede) {	326	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	327	}
283		328
284	wantarray ? @res : $res[0]	329	wantarray ? @res : $res[0]
285	} else {	330	} else {
286	# we are in another coroutine, how wonderful, everything just works	331	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	334	}
290	}	335	}
291		336
292	=item $coro = cf::async_ext { BLOCK }	337	=item $coro = cf::async_ext { BLOCK }
293		338
294	Like async, but this coro is automcatially being canceled when the	339	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	340	extension calling this is being unloaded.
296		341
297	=cut	342	=cut
298		343
299	sub async_ext(&) {	344	sub async_ext(&) {
…		…
313	my $runtime = cf::localdir . "/runtime";	358	my $runtime = cf::localdir . "/runtime";
314		359
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	361	or return;
317		362
		363	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	364	# 10 is the runtime save interval, for a monotonic clock
		365	# 60 allows for the watchdog to kill the server.
		366
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	368	and return;
321		369
		370	# always fsync - this file is important
322	aio_fsync $fh	371	aio_fsync $fh
323	and return;	372	and return;
324		373
325	close $fh	374	close $fh
326	or return;	375	or return;
…		…
332	}	381	}
333		382
334	=back	383	=back
335		384
336	=cut	385	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		386
458	#############################################################################	387	#############################################################################
459		388
460	=head2 ATTACHABLE OBJECTS	389	=head2 ATTACHABLE OBJECTS
461		390
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	516	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	517	our @CB_MAP = ();
589		518
590	my %attachment;	519	my %attachment;
591		520
		521	sub cf::attachable::thawer_merge {
		522	# simply override everything except _meta
		523	local $_[0]{_meta};
		524	%{$_[0]} = %{$_[1]};
		525	}
		526
592	sub _attach_cb($$$$) {	527	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	528	my ($registry, $event, $prio, $cb) = @_;
594		529
595	use sort 'stable';	530	use sort 'stable';
596		531
…		…
767	# object support	702	# object support
768		703
769	sub reattach {	704	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	705	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	706	my ($obj) = @_;
		707
		708	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		709
773	my $registry = $obj->registry;	710	my $registry = $obj->registry;
774		711
775	@$registry = ();	712	@$registry = ();
776		713
…		…
823	$filename, length $$rdata, scalar @$objs;	760	$filename, length $$rdata, scalar @$objs;
824		761
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	763	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	765	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	766	close $fh;
830		767
831	if (@$objs) {	768	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	769	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	770	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	771	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	772	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	774	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	775	aio_rename "$filename.pst~", "$filename.pst";
839	}	776	}
840	} else {	777	} else {
841	aio_unlink "$filename.pst";	778	aio_unlink "$filename.pst";
…		…
847	}	784	}
848	} else {	785	} else {
849	aio_unlink $filename;	786	aio_unlink $filename;
850	aio_unlink "$filename.pst";	787	aio_unlink "$filename.pst";
851	}	788	}
		789
		790	#d##TODO# nuke non .map-files if exist
		791	if ($filename =~ s/\.map$//) {
		792	aio_unlink $filename;
		793	aio_unlink "$filename.pst";
		794	}
852	}	795	}
853	}	796	}
854		797
855	sub object_freezer_as_string {	798	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	799	my ($rdata, $objs) = @_;
…		…
862		805
863	sub object_thawer_load {	806	sub object_thawer_load {
864	my ($filename) = @_;	807	my ($filename) = @_;
865		808
866	my ($data, $av);	809	my ($data, $av);
		810
		811	#d#TODO remove .map if file does not exist
		812	aio_stat $filename and $filename =~ s/\.map$//;
867		813
868	(aio_load $filename, $data) >= 0	814	(aio_load $filename, $data) >= 0
869	or return;	815	or return;
870		816
871	unless (aio_stat "$filename.pst") {	817	unless (aio_stat "$filename.pst") {
…		…
908	=cut	854	=cut
909		855
910	sub register_extcmd {	856	sub register_extcmd {
911	my ($name, $cb) = @_;	857	my ($name, $cb) = @_;
912		858
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	859	$EXTCMD{$name} = $cb;
917	}	860	}
918		861
919	cf::player->attach (	862	cf::player->attach (
920	on_command => sub {	863	on_command => sub {
921	my ($pl, $name, $params) = @_;	864	my ($pl, $name, $params) = @_;
…		…
934		877
935	my $msg = eval { from_json $buf };	878	my $msg = eval { from_json $buf };
936		879
937	if (ref $msg) {	880	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	882	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	883	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	884	}
942	}	885	}
943	} else {	886	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		889
947	cf::override;	890	cf::override;
948	},	891	},
949	);	892	);
950		893
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	894	sub load_extension {
958	my ($path) = @_;	895	my ($path) = @_;
959		896
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	898	my $base = $1;
962	my $pkg = $1;	899	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	900	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	901	$pkg = "ext::$pkg";
965		902
966	warn "loading '$path' into '$pkg'\n";	903	warn "... loading '$path' into '$pkg'\n";
967		904
968	open my $fh, "<:utf8", $path	905	open my $fh, "<:utf8", $path
969	or die "$path: $!";	906	or die "$path: $!";
970		907
971	my $source =	908	my $source =
972	"package $pkg; use strict; use utf8;\n"	909	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	910	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	911	. (do { local $/; <$fh> })
975	. "\n};\n1";	912	. "\n};\n1";
976		913
977	eval $source	914	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	915	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	916	: "extension disabled.\n";
980		917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	918	warn $@;
982	$ext_pkg{$base} = $pkg;	919	warn "mandatory extension failed to load, exiting.\n";
983		920	exit 1;
984	# no strict 'refs';	921	}
985	# @{"$pkg\::ISA"} = ext::;	922	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	923	}
1000		924
1001	# remove commands	925	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	926	}
1026		927
1027	sub load_extensions {	928	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	929	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	930	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	934	} or warn "$ext not loaded: $@";
1034	}	935	}
1035	}	936	}
1036		937
1037	#############################################################################	938	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		939
1075	=head2 CORE EXTENSIONS	940	=head2 CORE EXTENSIONS
1076		941
1077	Functions and methods that extend core crossfire objects.	942	Functions and methods that extend core crossfire objects.
1078		943
		944	=cut
		945
		946	package cf::player;
		947
		948	use Coro::AIO;
		949
1079	=head3 cf::player	950	=head3 cf::player
1080		951
1081	=over 4	952	=over 4
1082		953
1083	=item cf::player::exists $login	954	=item cf::player::find $login
1084		955
1085	Returns true when the given account exists.	956	Returns the given player object, loading it if necessary (might block).
1086		957
1087	=cut	958	=cut
1088		959
1089	sub cf::player::exists($) {	960	sub playerdir($) {
1090	cf::player::find $_[0]	961	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	962	. "/"
		963	. cf::playerdir
		964	. "/"
		965	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		966	}
		967
		968	sub path($) {
		969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		970
		971	(playerdir $login) . "/$login.pl"
		972	}
		973
		974	sub find_active($) {
		975	$cf::PLAYER{$_[0]}
		976	and $cf::PLAYER{$_[0]}->active
		977	and $cf::PLAYER{$_[0]}
		978	}
		979
		980	sub exists($) {
		981	my ($login) = @_;
		982
		983	$cf::PLAYER{$login}
		984	or cf::sync_job { !aio_stat path $login }
		985	}
		986
		987	sub find($) {
		988	return $cf::PLAYER{$_[0]} || do {
		989	my $login = $_[0];
		990
		991	my $guard = cf::lock_acquire "user_find:$login";
		992
		993	$cf::PLAYER{$_[0]} || do {
		994	my $pl = load_pl path $login
		995	or return;
		996	$cf::PLAYER{$login} = $pl
		997	}
		998	}
		999	}
		1000
		1001	sub save($) {
		1002	my ($pl) = @_;
		1003
		1004	return if $pl->{deny_save};
		1005
		1006	my $path = path $pl;
		1007	my $guard = cf::lock_acquire "user_save:$path";
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	aio_mkdir playerdir $pl, 0770;
		1012	$pl->{last_save} = $cf::RUNTIME;
		1013
		1014	$pl->save_pl ($path);
		1015	Coro::cede;
		1016	}
		1017
		1018	sub new($) {
		1019	my ($login) = @_;
		1020
		1021	my $self = create;
		1022
		1023	$self->ob->name ($login);
		1024	$self->{deny_save} = 1;
		1025
		1026	$cf::PLAYER{$login} = $self;
		1027
		1028	$self
		1029	}
		1030
		1031	=item $pl->quit_character
		1032
		1033	Nukes the player without looking back. If logged in, the connection will
		1034	be destroyed. May block for a long time.
		1035
		1036	=cut
		1037
		1038	sub quit_character {
		1039	my ($pl) = @_;
		1040
		1041	$pl->{deny_save} = 1;
		1042	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1043
		1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1045	$pl->deactivate;
		1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1047	$pl->ns->destroy if $pl->ns;
		1048
		1049	my $path = playerdir $pl;
		1050	my $temp = "$path~$cf::RUNTIME~deleting~";
		1051	aio_rename $path, $temp;
		1052	delete $cf::PLAYER{$pl->ob->name};
		1053	$pl->destroy;
		1054	IO::AIO::aio_rmtree $temp;
		1055	}
		1056
		1057	=item cf::player::list_logins
		1058
		1059	Returns am arrayref of all valid playernames in the system, can take a
		1060	while and may block, so not sync_job-capable, ever.
		1061
		1062	=cut
		1063
		1064	sub list_logins {
		1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1066	or return [];
		1067
		1068	my @logins;
		1069
		1070	for my $login (@$dirs) {
		1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1072	aio_read $fh, 0, 512, my $buf, 0 or next;
		1073	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1074
		1075	utf8::decode $login;
		1076	push @logins, $login;
		1077	}
		1078
		1079	\@logins
		1080	}
		1081
		1082	=item $player->maps
		1083
		1084	Returns an arrayref of map paths that are private for this
		1085	player. May block.
		1086
		1087	=cut
		1088
		1089	sub maps($) {
		1090	my ($pl) = @_;
		1091
		1092	$pl = ref $pl ? $pl->ob->name : $pl;
		1093
		1094	my $files = aio_readdir playerdir $pl
		1095	or return;
		1096
		1097	my @paths;
		1098
		1099	for (@$files) {
		1100	utf8::decode $_;
		1101	next if /\.(?:pl|pst)$/;
		1102	next unless /^$PATH_SEP/o;
		1103
		1104	push @paths, cf::map::normalise "~$pl/$_";
		1105	}
		1106
		1107	\@paths
1092	}	1108	}
1093		1109
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1110	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1111
1096	Sends an ext reply to the player.	1112	Sends an ext reply to the player.
1097		1113
1098	=cut	1114	=cut
1099		1115
1100	sub cf::player::ext_reply($$$%) {	1116	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1117	my ($self, $id, %msg) = @_;
1102		1118
1103	$msg{msgid} = $id;	1119	$msg{msgid} = $id;
1104		1120
1105	$self->send ("ext " . to_json \%msg);	1121	$self->send ("ext " . cf::to_json \%msg);
1106	}	1122	}
		1123
		1124	package cf;
1107		1125
1108	=back	1126	=back
1109		1127
1110		1128
1111	=head3 cf::map	1129	=head3 cf::map
…		…
1117	package cf::map;	1135	package cf::map;
1118		1136
1119	use Fcntl;	1137	use Fcntl;
1120	use Coro::AIO;	1138	use Coro::AIO;
1121		1139
		1140	use overload
		1141	'""' => \&as_string,
		1142	fallback => 1;
		1143
1122	our $MAX_RESET = 3600;	1144	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1145	our $DEFAULT_RESET = 3000;
1124		1146
1125	sub generate_random_map {	1147	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1148	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1149	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1150	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1154	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1155	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1159	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1161	(cf::region::find $rmp->{region}), $rmp->{custom}
		1162	)
		1163	}
		1164
		1165	=item cf::map->register ($regex, $prio)
		1166
		1167	Register a handler for the map path matching the given regex at the
		1168	givne priority (higher is better, built-in handlers have priority 0, the
		1169	default).
		1170
		1171	=cut
		1172
		1173	sub register {
		1174	my (undef, $regex, $prio) = @_;
		1175	my $pkg = caller;
		1176
		1177	no strict;
		1178	push @{"$pkg\::ISA"}, __PACKAGE__;
		1179
		1180	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1181	}
		1182
		1183	# also paths starting with '/'
		1184	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1185
		1186	sub thawer_merge {
		1187	my ($self, $merge) = @_;
		1188
		1189	# we have to keep some variables in memory intact
		1190	local $self->{path};
		1191	local $self->{load_path};
		1192	local $self->{deny_save};
		1193	local $self->{deny_reset};
		1194
		1195	$self->SUPER::thawer_merge ($merge);
		1196	}
		1197
		1198	sub normalise {
		1199	my ($path, $base) = @_;
		1200
		1201	$path = "$path"; # make sure its a string
		1202
		1203	$path =~ s/\.map$//;
		1204
		1205	# map plan:
		1206	#
		1207	# /! non-realised random map exit (special hack!)
		1208	# {... are special paths that are not being touched
		1209	# ?xxx/... are special absolute paths
		1210	# ?random/... random maps
		1211	# /... normal maps
		1212	# ~user/... per-player map of a specific user
		1213
		1214	$path =~ s/$PATH_SEP/\//go;
		1215
		1216	# treat it as relative path if it starts with
		1217	# something that looks reasonable
		1218	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1219	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1220
		1221	$base =~ s{[^/]+/?$}{};
		1222	$path = "$base/$path";
		1223	}
		1224
		1225	for ($path) {
		1226	redo if s{//}{/};
		1227	redo if s{/\.?/}{/};
		1228	redo if s{/[^/]+/\.\./}{/};
		1229	}
		1230
		1231	$path
		1232	}
		1233
		1234	sub new_from_path {
		1235	my (undef, $path, $base) = @_;
		1236
		1237	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1238
		1239	$path = normalise $path, $base;
		1240
		1241	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1242	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1243	my $self = bless cf::map::new, $pkg;
		1244	$self->{path} = $path; $self->path ($path);
		1245	$self->init; # pass $1 etc.
		1246	return $self;
		1247	}
		1248	}
		1249
		1250	Carp::carp "unable to resolve path '$path' (base '$base').";
		1251	()
		1252	}
		1253
		1254	sub init {
		1255	my ($self) = @_;
		1256
		1257	$self
		1258	}
		1259
		1260	sub as_string {
		1261	my ($self) = @_;
		1262
		1263	"$self->{path}"
		1264	}
		1265
		1266	# the displayed name, this is a one way mapping
		1267	sub visible_name {
		1268	&as_string
		1269	}
		1270
		1271	# the original (read-only) location
		1272	sub load_path {
		1273	my ($self) = @_;
		1274
		1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1276	}
		1277
		1278	# the temporary/swap location
		1279	sub save_path {
		1280	my ($self) = @_;
		1281
		1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1284	}
		1285
		1286	# the unique path, undef == no special unique path
		1287	sub uniq_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1292	}
1143		1293
1144	# and all this just because we cannot iterate over	1294	# and all this just because we cannot iterate over
1145	# all maps in C++...	1295	# all maps in C++...
1146	sub change_all_map_light {	1296	sub change_all_map_light {
…		…
1148		1298
1149	$_->change_map_light ($change)	1299	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1300	for grep $_->outdoor, values %cf::MAP;
1151	}	1301	}
1152		1302
		1303	sub unlink_save {
		1304	my ($self) = @_;
		1305
		1306	utf8::encode (my $save = $self->save_path);
		1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1309
		1310	#d#TODO remove .map and also nuke
		1311	$save =~ s/\.map// or return;#d#
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1314	}
		1315
1153	sub try_load_header($) {	1316	sub load_header_from($) {
1154	my ($path) = @_;	1317	my ($self, $path) = @_;
1155		1318
1156	utf8::encode $path;	1319	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1320	#aio_open $path, O_RDONLY, 0
		1321	# or return;
		1322
		1323	$self->_load_header ($path)
1158	or return;	1324	or return;
1159		1325
1160	my $map = cf::map::new	1326	$self->{load_path} = $path;
		1327
		1328	1
		1329	}
		1330
		1331	sub load_header_orig {
		1332	my ($self) = @_;
		1333
		1334	$self->load_header_from ($self->load_path)
		1335	}
		1336
		1337	sub load_header_temp {
		1338	my ($self) = @_;
		1339
		1340	$self->load_header_from ($self->save_path)
		1341	}
		1342
		1343	sub prepare_temp {
		1344	my ($self) = @_;
		1345
		1346	$self->last_access ((delete $self->{last_access})
		1347	|| $cf::RUNTIME); #d#
		1348	# safety
		1349	$self->{instantiate_time} = $cf::RUNTIME
		1350	if $self->{instantiate_time} > $cf::RUNTIME;
		1351	}
		1352
		1353	sub prepare_orig {
		1354	my ($self) = @_;
		1355
		1356	$self->{load_original} = 1;
		1357	$self->{instantiate_time} = $cf::RUNTIME;
		1358	$self->last_access ($cf::RUNTIME);
		1359	$self->instantiate;
		1360	}
		1361
		1362	sub load_header {
		1363	my ($self) = @_;
		1364
		1365	if ($self->load_header_temp) {
		1366	$self->prepare_temp;
		1367	} else {
		1368	$self->load_header_orig
1161	or return;	1369	or return;
		1370	$self->prepare_orig;
		1371	}
1162		1372
1163	# for better error messages only, will be overwritten	1373	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1374	}
1173		1375
1174	sub find;	1376	sub find;
1175	sub find {	1377	sub find {
1176	my ($path, $origin) = @_;	1378	my ($path, $origin) = @_;
1177		1379
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1380	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1381
1183	cf::lock_wait "map_find:$key";	1382	cf::lock_wait "map_find:$path";
1184		1383
1185	$cf::MAP{$key} || do {	1384	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1385	my $guard = cf::lock_acquire "map_find:$path";
1187		1386	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1387	or return;
1207		1388
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1389	$map->{last_save} = $cf::RUNTIME;
1220		1390
1221	Coro::cede;	1391	$map->load_header
		1392	or return;
1222		1393
1223	if ($map->should_reset) {	1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1395	# doing this can freeze the server in a sync job, obviously
		1396	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1397	$map->reset;
1225	undef $guard;	1398	undef $guard;
1226	$map = find $path	1399	return find $path;
1227	or return;
1228	}	1400	}
1229		1401
1230	$cf::MAP{$key} = $map	1402	$cf::MAP{$path} = $map
1231	}	1403	}
1232	}	1404	}
		1405
		1406	sub pre_load { }
		1407	sub post_load { }
1233		1408
1234	sub load {	1409	sub load {
1235	my ($self) = @_;	1410	my ($self) = @_;
1236		1411
		1412	local $self->{deny_reset} = 1; # loading can take a long time
		1413
1237	my $path = $self->{path};	1414	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1415	my $guard = cf::lock_acquire "map_load:$path";
1239		1416
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1417	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1418
1242	$self->in_memory (cf::MAP_LOADING);	1419	$self->in_memory (cf::MAP_LOADING);
1243		1420
1244	$self->alloc;	1421	$self->alloc;
		1422
		1423	$self->pre_load;
		1424
1245	$self->load_objects ($self->{load_path}, 1)	1425	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1426	or return;
1247		1427
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1429	if delete $self->{load_original};
1250		1430
1251	if (my $uniq = $path->uniq_path) {	1431	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1432	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1433	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1434	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1435	$self->_load_objects ($uniq, 0);
1256	}	1436	}
1257	}	1437	}
1258		1438
1259	Coro::cede;	1439	Coro::cede;
1260		1440
1261	# now do the right thing for maps	1441	# now do the right thing for maps
1262	$self->link_multipart_objects;	1442	$self->link_multipart_objects;
1263		1443
1264	if ($self->{path}->is_style_map) {	1444	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1445	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1446	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1447	$self->update_buttons;
		1448	Coro::cede;
1271	$self->set_darkness_map;	1449	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1450	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1451	unless $self->difficulty;
		1452	Coro::cede;
1274	$self->activate;	1453	$self->activate;
1275	}	1454	}
1276		1455
1277	Coro::cede;	1456	$self->post_load;
1278		1457
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1458	$self->in_memory (cf::MAP_IN_MEMORY);
		1459	}
		1460
		1461	sub customise_for {
		1462	my ($self, $ob) = @_;
		1463
		1464	return find "~" . $ob->name . "/" . $self->{path}
		1465	if $self->per_player;
		1466
		1467	$self
		1468	}
		1469
		1470	# find and load all maps in the 3x3 area around a map
		1471	sub load_diag {
		1472	my ($map) = @_;
		1473
		1474	my @diag; # diagonal neighbours
		1475
		1476	for (0 .. 3) {
		1477	my $neigh = $map->tile_path ($_)
		1478	or next;
		1479	$neigh = find $neigh, $map
		1480	or next;
		1481	$neigh->load;
		1482
		1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1485	}
		1486
		1487	for (@diag) {
		1488	my $neigh = find @$_
		1489	or next;
		1490	$neigh->load;
		1491	}
1280	}	1492	}
1281		1493
1282	sub find_sync {	1494	sub find_sync {
1283	my ($path, $origin) = @_;	1495	my ($path, $origin) = @_;
1284		1496
1285	cf::sync_job { cf::map::find $path, $origin }	1497	cf::sync_job { find $path, $origin }
1286	}	1498	}
1287		1499
1288	sub do_load_sync {	1500	sub do_load_sync {
1289	my ($map) = @_;	1501	my ($map) = @_;
1290		1502
1291	cf::sync_job { $map->load };	1503	cf::sync_job { $map->load };
1292	}	1504	}
1293		1505
		1506	our %MAP_PREFETCH;
		1507	our $MAP_PREFETCHER = undef;
		1508
		1509	sub find_async {
		1510	my ($path, $origin) = @_;
		1511
		1512	$path = normalise $path, $origin && $origin->{path};
		1513
		1514	if (my $map = $cf::MAP{$path}) {
		1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1516	}
		1517
		1518	undef $MAP_PREFETCH{$path};
		1519	$MAP_PREFETCHER ||= cf::async {
		1520	while (%MAP_PREFETCH) {
		1521	for my $path (keys %MAP_PREFETCH) {
		1522	my $map = find $path
		1523	or next;
		1524	$map->load;
		1525
		1526	delete $MAP_PREFETCH{$path};
		1527	}
		1528	}
		1529	undef $MAP_PREFETCHER;
		1530	};
		1531	$MAP_PREFETCHER->prio (6);
		1532
		1533	()
		1534	}
		1535
1294	sub save {	1536	sub save {
1295	my ($self) = @_;	1537	my ($self) = @_;
1296		1538
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1539	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1540
1299	$self->{last_save} = $cf::RUNTIME;	1541	$self->{last_save} = $cf::RUNTIME;
1300		1542
1301	return unless $self->dirty;	1543	return unless $self->dirty;
1302		1544
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1545	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1546	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1547
1306	$self->{load_path} = $save;	1548	$self->{load_path} = $save;
1307		1549
1308	return if $self->{deny_save};	1550	return if $self->{deny_save};
1309		1551
1310	local $self->{last_access} = $self->last_access;#d#	1552	local $self->{last_access} = $self->last_access;#d#
1311		1553
		1554	cf::async {
		1555	$_->contr->save for $self->players;
		1556	};
		1557
1312	if ($uniq) {	1558	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1561	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1563	}
1318	}	1564	}
1319		1565
1320	sub swap_out {	1566	sub swap_out {
1321	my ($self) = @_;	1567	my ($self) = @_;
…		…
1335		1581
1336	sub reset_at {	1582	sub reset_at {
1337	my ($self) = @_;	1583	my ($self) = @_;
1338		1584
1339	# TODO: safety, remove and allow resettable per-player maps	1585	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1587	return 1e99 if $self->{deny_reset};
1342		1588
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1591
…		…
1350	my ($self) = @_;	1596	my ($self) = @_;
1351		1597
1352	$self->reset_at <= $cf::RUNTIME	1598	$self->reset_at <= $cf::RUNTIME
1353	}	1599	}
1354		1600
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1601	sub reset {
1377	my ($self) = @_;	1602	my ($self) = @_;
1378		1603
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1604	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1605
1381	return if $self->players;	1606	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1607	return if $self->isa ("ext::map_per_player");#d#
1383		1608
1384	warn "resetting map ", $self->path;#d#	1609	warn "resetting map ", $self->path;#d#
1385		1610
1386	delete $cf::MAP{$self->path};	1611	delete $cf::MAP{$self->path};
		1612
		1613	$self->in_memory (cf::MAP_SWAPPED);
		1614	$self->clear;
1387		1615
1388	$_->clear_links_to ($self) for values %cf::MAP;	1616	$_->clear_links_to ($self) for values %cf::MAP;
1389		1617
1390	$self->unlink_save;	1618	$self->unlink_save;
1391	$self->destroy;	1619	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1622	my $nuke_counter = "aaaa";
1395		1623
1396	sub nuke {	1624	sub nuke {
1397	my ($self) = @_;	1625	my ($self) = @_;
1398		1626
		1627	delete $cf::MAP{$self->path};
		1628
		1629	$self->unlink_save;
		1630
		1631	bless $self, "cf::map";
		1632	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1633	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1634	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1636
		1637	$cf::MAP{$self->path} = $self;
		1638
1402	$self->reset; # polite request, might not happen	1639	$self->reset; # polite request, might not happen
1403	}	1640	}
1404		1641
1405	sub customise_for {	1642	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1643
1408	if ($map->per_player) {	1644	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1645	instantiated unique items. May block.
1410	}
1411		1646
1412	$map	1647	=cut
1413	}
1414		1648
1415	sub emergency_save {	1649	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1651	or return;
1417		1652
1418	warn "enter emergency map save\n";	1653	my @paths;
1419		1654
1420	cf::sync_job {	1655	for (@$files) {
1421	warn "begin emergency map save\n";	1656	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1657	next if /\.pst$/;
		1658	next unless /^$PATH_SEP/o;
		1659
		1660	push @paths, cf::map::normalise $_;
1423	};	1661	}
1424		1662
1425	warn "end emergency map save\n";	1663	\@paths
1426	}	1664	}
1427		1665
1428	package cf;	1666	package cf;
1429		1667
1430	=back	1668	=back
1431		1669
		1670	=head3 cf::object
		1671
		1672	=cut
		1673
		1674	package cf::object;
		1675
		1676	=over 4
		1677
		1678	=item $ob->inv_recursive
		1679
		1680	Returns the inventory of the object _and_ their inventories, recursively.
		1681
		1682	=cut
		1683
		1684	sub inv_recursive_;
		1685	sub inv_recursive_ {
		1686	map { $_, inv_recursive_ $_->inv } @_
		1687	}
		1688
		1689	sub inv_recursive {
		1690	inv_recursive_ inv $_[0]
		1691	}
		1692
		1693	package cf;
		1694
		1695	=back
1432		1696
1433	=head3 cf::object::player	1697	=head3 cf::object::player
1434		1698
1435	=over 4	1699	=over 4
1436		1700
…		…
1476		1740
1477	=item $player_object->enter_link	1741	=item $player_object->enter_link
1478		1742
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1743	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1744
1481	The player should be reaosnably safe there for short amounts of time. You	1745	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1746	I<MUST> call C<leave_link> as soon as possible, though.
1483		1747
		1748	Will never block.
		1749
1484	=item $player_object->leave_link ($map, $x, $y)	1750	=item $player_object->leave_link ($map, $x, $y)
1485		1751
1486	Moves the player out of the specila link map onto the given map. If the	1752	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1753	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1754	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1755	fails, to the emergency map position.
1490		1756
1491	Might block.	1757	Might block.
1492		1758
1493	=cut	1759	=cut
		1760
		1761	sub link_map {
		1762	unless ($LINK_MAP) {
		1763	$LINK_MAP = cf::map::find "{link}"
		1764	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1765	$LINK_MAP->load;
		1766	}
		1767
		1768	$LINK_MAP
		1769	}
1494		1770
1495	sub cf::object::player::enter_link {	1771	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1772	my ($self) = @_;
1497		1773
1498	$self->deactivate_recursive;	1774	$self->deactivate_recursive;
1499		1775
1500	return if $self->map == $LINK_MAP;	1776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1777
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1779	if $self->map;
1504		1780
1505	$self->enter_map ($LINK_MAP, 20, 20);	1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1782	}
1507		1783
1508	sub cf::object::player::leave_link {	1784	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1785	my ($self, $map, $x, $y) = @_;
1510		1786
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1804	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1805	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1806	if $x <=0 && $y <= 0;
1531		1807
1532	$map->load;	1808	$map->load;
		1809	$map->load_diag;
1533		1810
		1811	return unless $self->contr->active;
1534	$self->activate_recursive;	1812	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1813	$self->enter_map ($map, $x, $y);
1536	}	1814	}
1537		1815
1538	cf::player->attach (	1816	cf::player->attach (
…		…
1550	my ($pl) = @_;	1828	my ($pl) = @_;
1551		1829
1552	# try to abort aborted map switching on player login :)	1830	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1831	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1832	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1833	$pl->ob->enter_link;
1557	(async {	1834	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running	1835	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn	1836	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1837	$pl->ob->reply (undef,
…		…
1576	my ($self, $path, $x, $y) = @_;	1853	my ($self, $path, $x, $y) = @_;
1577		1854
1578	$self->enter_link;	1855	$self->enter_link;
1579		1856
1580	(async {	1857	(async {
1581	$path = new cf::path $path;	1858	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1859	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1860	$map = $map->customise_for ($self) if $map;
1585		1861	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1862	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1864
1591	$self->leave_link ($map, $x, $y);	1865	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1866	})->prio (1);
1593	}	1867	}
1594		1868
…		…
1598		1872
1599	sub parse_random_map_params {	1873	sub parse_random_map_params {
1600	my ($spec) = @_;	1874	my ($spec) = @_;
1601		1875
1602	my $rmp = { # defaults	1876	my $rmp = { # defaults
1603	xsize => 10,	1877	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1878	ysize => (cf::rndm 15, 40),
		1879	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1880	#layout => string,
1605	};	1881	};
1606		1882
1607	for (split /\n/, $spec) {	1883	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1884	my ($k, $v) = split /\s+/, $_, 2;
1609		1885
…		…
1613	$rmp	1889	$rmp
1614	}	1890	}
1615		1891
1616	sub prepare_random_map {	1892	sub prepare_random_map {
1617	my ($exit) = @_;	1893	my ($exit) = @_;
		1894
		1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1896
1619	# all this does is basically replace the /! path by	1897	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1898	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1899	# that depends on the exit object
1622		1900
1623	my $rmp = parse_random_map_params $exit->msg;	1901	my $rmp = parse_random_map_params $exit->msg;
1624		1902
1625	if ($exit->map) {	1903	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1904	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1905	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1906	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1907	$rmp->{origin_y} = $exit->y;
1630	}	1908	}
1631		1909
1632	$rmp->{random_seed} ||= $exit->random_seed;	1910	$rmp->{random_seed} ||= $exit->random_seed;
1633		1911
1634	my $data = cf::to_json $rmp;	1912	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1913	my $md5 = Digest::MD5::md5_hex $data;
		1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1915
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1917	aio_write $fh, 0, (length $data), $data, 0;
		1918	undef $fh;
		1919	aio_rename "$meta~", $meta;
1639		1920
1640	$exit->slaying ("?random/$md5");	1921	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1922	$exit->msg (undef);
1642	}	1923	}
1643	}	1924	}
1644		1925
1645	sub cf::object::player::enter_exit {	1926	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1927	my ($self, $exit) = @_;
1647		1928
1648	return unless $self->type == cf::PLAYER;	1929	return unless $self->type == cf::PLAYER;
		1930
		1931	if ($exit->slaying eq "/!") {
		1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1933	cf::sync_job { prepare_random_map $exit };
		1934	}
		1935
		1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1937	my $hp = $exit->stats->hp;
		1938	my $sp = $exit->stats->sp;
1649		1939
1650	$self->enter_link;	1940	$self->enter_link;
1651		1941
1652	(async {	1942	(async {
1653	$self->deactivate_recursive; # just to be sure	1943	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1944	unless (eval {
1655	prepare_random_map $exit	1945	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		1946
1661	1;	1947	1;
1662	}) {	1948	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1949	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1950	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1951	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1952	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1953
1668	warn "ERROR in enter_exit: $@";	1954	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1955	$self->leave_link;
1670	}	1956	}
…		…
1725	# get handled first	2011	# get handled first
1726	my $queue = delete $ns->{query_queue}	2012	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2014
1729	(shift @$queue)->[1]->($msg);	2015	(shift @$queue)->[1]->($msg);
		2016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2017
1731	push @{ $ns->{query_queue} }, @$queue;	2018	push @{ $ns->{query_queue} }, @$queue;
1732		2019
1733	if (@{ $ns->{query_queue} } == @$queue) {	2020	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2021	if (@$queue) {
…		…
1953	sub db_sync() {	2240	sub db_sync() {
1954	db_save if $dirty;	2241	db_save if $dirty;
1955	undef $dirty;	2242	undef $dirty;
1956	}	2243	}
1957		2244
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2245	my $idle = Event->idle (
1959	db_sync;	2246	reentrant => 0,
		2247	min => 10,
		2248	max => 20,
		2249	repeat => 0,
		2250	data => WF_AUTOCANCEL,
		2251	cb => \&db_sync,
1960	});	2252	);
1961		2253
1962	sub db_dirty() {	2254	sub db_dirty() {
1963	$dirty = 1;	2255	$dirty = 1;
1964	$idle->start;	2256	$idle->start;
1965	}	2257	}
…		…
1986	},	2278	},
1987	);	2279	);
1988	}	2280	}
1989		2281
1990	#############################################################################	2282	#############################################################################
1991	# the server's main()	2283	# the server's init and main functions
		2284
		2285	sub load_resources {
		2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2287	or die "unable to load regions file\n";#d#
		2288	}
1992		2289
1993	sub cfg_load {	2290	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2291	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2292	or return;
1996		2293
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2299	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2300	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2301
2005	if (exists $CFG{mlockall}) {	2302	if (exists $CFG{mlockall}) {
2006	eval {	2303	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2305	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2306	};
2010	warn $@ if $@;	2307	warn $@ if $@;
2011	}	2308	}
		2309	}
		2310
		2311	sub init {
		2312	load_resources;
2012	}	2313	}
2013		2314
2014	sub main {	2315	sub main {
2015	# we must not ever block the main coroutine	2316	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2317	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2318	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2319	(async {
2018	async { Event::one_event };	2320	Event::one_event;
		2321	})->prio (Coro::PRIO_MAX);
2019	};	2322	};
2020		2323
2021	cfg_load;	2324	cfg_load;
2022	db_load;	2325	db_load;
2023	load_extensions;	2326	load_extensions;
		2327
		2328	$TICK_WATCHER->start;
2024	Event::loop;	2329	Event::loop;
2025	}	2330	}
2026		2331
2027	#############################################################################	2332	#############################################################################
2028	# initialisation	2333	# initialisation and cleanup
		2334
		2335	# install some emergency cleanup handlers
		2336	BEGIN {
		2337	for my $signal (qw(INT HUP TERM)) {
		2338	Event->signal (
		2339	reentrant => 0,
		2340	data => WF_AUTOCANCEL,
		2341	signal => $signal,
		2342	prio => 0,
		2343	cb => sub {
		2344	cf::cleanup "SIG$signal";
		2345	},
		2346	);
		2347	}
		2348	}
		2349
		2350	sub emergency_save() {
		2351	my $freeze_guard = cf::freeze_mainloop;
		2352
		2353	warn "enter emergency perl save\n";
		2354
		2355	cf::sync_job {
		2356	# use a peculiar iteration method to avoid tripping on perl
		2357	# refcount bugs in for. also avoids problems with players
		2358	# and maps saved/destroyed asynchronously.
		2359	warn "begin emergency player save\n";
		2360	for my $login (keys %cf::PLAYER) {
		2361	my $pl = $cf::PLAYER{$login} or next;
		2362	$pl->valid or next;
		2363	$pl->save;
		2364	}
		2365	warn "end emergency player save\n";
		2366
		2367	warn "begin emergency map save\n";
		2368	for my $path (keys %cf::MAP) {
		2369	my $map = $cf::MAP{$path} or next;
		2370	$map->valid or next;
		2371	$map->save;
		2372	}
		2373	warn "end emergency map save\n";
		2374	};
		2375
		2376	warn "leave emergency perl save\n";
		2377	}
2029		2378
2030	sub reload() {	2379	sub reload() {
2031	# can/must only be called in main	2380	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2381	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2382	warn "can only reload from main coroutine";
2034	return;	2383	return;
2035	}	2384	}
2036		2385
2037	warn "reloading...";	2386	warn "reloading...";
2038		2387
2039	my $guard = freeze_mainloop;	2388	warn "cancelling server ticker";
		2389	$TICK_WATCHER->cancel;
		2390
2040	cf::emergency_save;	2391	cf::emergency_save;
2041		2392
2042	eval {	2393	eval {
2043	# if anything goes wrong in here, we should simply crash as we already saved	2394	# if anything goes wrong in here, we should simply crash as we already saved
2044		2395
2045	# cancel all watchers	2396	warn "syncing database to disk";
		2397	cf::db_sync;
		2398
		2399	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2400	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2402	}
2049		2403
		2404	warn "flushing outstanding aio requests";
		2405	for (;;) {
		2406	IO::AIO::flush;
		2407	Coro::cede;
		2408	last unless IO::AIO::nreqs;
		2409	warn "iterate...";
		2410	}
		2411
2050	# cancel all extension coros	2412	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2413	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2414	%EXT_CORO = ();
2053		2415
2054	# unload all extensions	2416	warn "removing commands";
2055	for (@exts) {	2417	%COMMAND = ();
		2418
		2419	warn "removing ext commands";
		2420	%EXTCMD = ();
		2421
		2422	warn "unloading/nuking all extensions";
		2423	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2424	warn "... unloading $pkg";
2057	unload_extension $_;	2425
		2426	if (my $cb = $pkg->can ("unload")) {
		2427	eval {
		2428	$cb->($pkg);
		2429	1
		2430	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2431	}
2059		2432
		2433	warn "... nuking $pkg";
		2434	Symbol::delete_package $pkg;
		2435	}
		2436
2060	# unload all modules loaded from $LIBDIR	2437	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2438	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2440
2064	warn "removing <$k>";	2441	warn "... unloading $k";
2065	delete $INC{$k};	2442	delete $INC{$k};
2066		2443
2067	$k =~ s/\.pm$//;	2444	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2445	$k =~ s/\//::/g;
2069		2446
…		…
2072	}	2449	}
2073		2450
2074	Symbol::delete_package $k;	2451	Symbol::delete_package $k;
2075	}	2452	}
2076		2453
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2454	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2455	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2457
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2458	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2459	delete $INC{"cf.pm"};
2090		2460
2091	# don't, removes xs symbols, too,	2461	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2462	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2463	#Symbol::delete_package __PACKAGE__;
2094		2464
2095	# reload cf.pm	2465	warn "unload completed, starting to reload now";
		2466
2096	warn "reloading cf.pm";	2467	warn "reloading cf.pm";
2097	require cf;	2468	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2470
2100	# load config and database again	2471	warn "loading config and database again";
2101	cf::cfg_load;	2472	cf::cfg_load;
2102	cf::db_load;	2473	cf::db_load;
2103		2474
2104	# load extensions
2105	warn "load extensions";	2475	warn "loading extensions";
2106	cf::load_extensions;	2476	cf::load_extensions;
2107		2477
2108	# reattach attachments to objects	2478	warn "reattaching attachments to objects/players";
2109	warn "reattach";
2110	_global_reattach;	2479	_global_reattach;
		2480	warn "reattaching attachments to maps";
		2481	reattach $_ for values %MAP;
		2482
		2483	warn "loading reloadable resources";
		2484	load_resources;
		2485
		2486	warn "restarting server ticker";
		2487
		2488	$TICK_WATCHER->start;
2111	};	2489	};
2112		2490
2113	if ($@) {	2491	if ($@) {
2114	warn $@;	2492	warn $@;
2115	warn "error while reloading, exiting.";	2493	warn "error while reloading, exiting.";
2116	exit 1;	2494	exit 1;
2117	}	2495	}
2118		2496
2119	warn "reloaded successfully";	2497	warn "reloaded";
2120	};	2498	};
2121		2499
2122	#############################################################################	2500	our $RELOAD_WATCHER; # used only during reload
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2501
2167	register_command "reload" => sub {	2502	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2503	my ($who, $arg) = @_;
2169		2504
2170	if ($who->flag (FLAG_WIZ)) {	2505	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2506	$who->message ("reloading server.");
		2507
		2508	# doing reload synchronously and two reloads happen back-to-back,
		2509	# coro crashes during coro_state_free->destroy here.
		2510
		2511	$RELOAD_WATCHER ||= Event->timer (
		2512	reentrant => 0,
		2513	after => 0,
		2514	data => WF_AUTOCANCEL,
		2515	cb => sub {
2172	reload;	2516	reload;
2173	$who->message ("end of reload.");	2517	undef $RELOAD_WATCHER;
		2518	},
		2519	);
2174	}	2520	}
2175	};	2521	};
2176		2522
2177	unshift @INC, $LIBDIR;	2523	unshift @INC, $LIBDIR;
		2524
		2525	my $bug_warning = 0;
2178		2526
2179	$TICK_WATCHER = Event->timer (	2527	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2528	reentrant => 0,
		2529	parked => 1,
2181	prio => 0,	2530	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2531	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2184	cb => sub {	2533	cb => sub {
		2534	if ($Coro::current != $Coro::main) {
		2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2536	unless ++$bug_warning > 10;
		2537	return;
		2538	}
		2539
		2540	$NOW = Event::time;
		2541
2185	cf::server_tick; # one server iteration	2542	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2543	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2544	$NEXT_TICK += $TICK;
		2545
		2546	$WAIT_FOR_TICK->broadcast;
		2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2548
		2549	Event::sweep;
		2550	Coro::cede_notself;
		2551
		2552	# my $AFTER = Event::time;
		2553	# warn $AFTER - $NOW;#d#
2188		2554
2189	# if we are delayed by four ticks or more, skip them all	2555	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2557
2192	$TICK_WATCHER->at ($NEXT_TICK);	2558	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2559	$TICK_WATCHER->start;
2194	},	2560	},
2195	);	2561	);
2196		2562
		2563	{
		2564	BDB::max_poll_time $TICK * 0.1;
		2565	$BDB_POLL_WATCHER = Event->io (
		2566	reentrant => 0,
		2567	fd => BDB::poll_fileno,
		2568	poll => 'r',
		2569	prio => 0,
		2570	data => WF_AUTOCANCEL,
		2571	cb => \&BDB::poll_cb,
		2572	);
		2573	BDB::min_parallel 8;
		2574
		2575	BDB::set_sync_prepare {
		2576	my $status;
		2577	my $current = $Coro::current;
		2578	(
		2579	sub {
		2580	$status = $!;
		2581	$current->ready; undef $current;
		2582	},
		2583	sub {
		2584	Coro::schedule while defined $current;
		2585	$! = $status;
		2586	},
		2587	)
		2588	};
		2589
		2590	unless ($DB_ENV) {
		2591	$DB_ENV = BDB::db_env_create;
		2592
		2593	cf::sync_job {
		2594	BDB::db_env_open
		2595	$DB_ENV,
		2596	$BDB_ENV_DIR,
		2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2599	0666;
		2600
		2601	cf::cleanup "$!" if $!;
		2602
		2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2604	$DB_ENV->set_lk_detect;
		2605	};
		2606	}
		2607	}
		2608
		2609	{
		2610	IO::AIO::min_parallel 8;
		2611
		2612	undef $Coro::AIO::WATCHER;
2197	IO::AIO::max_poll_time $TICK * 0.2;	2613	IO::AIO::max_poll_time $TICK * 0.1;
2198		2614	$AIO_POLL_WATCHER = Event->io (
2199	Event->io (	2615	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2616	fd => IO::AIO::poll_fileno,
2201	poll => 'r',	2617	poll => 'r',
2202	prio => 5,	2618	prio => 6,
2203	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,	2620	cb => \&IO::AIO::poll_cb,
2205	);	2621	);
		2622	}
2206		2623
2207	Event->timer (	2624	$WRITE_RUNTIME_WATCHER = Event->timer (
		2625	reentrant => 0,
2208	data => WF_AUTOCANCEL,	2626	data => WF_AUTOCANCEL,
2209	after => 0,	2627	after => 1,
2210	interval => 10,	2628	interval => 10,
2211	cb => sub {	2629	prio => 6, # keep it lowest so it acts like a watchdog
2212	(Coro::unblock_sub {	2630	cb => Coro::unblock_sub {
2213	write_runtime	2631	write_runtime
2214	or warn "ERROR: unable to write runtime file: $!";	2632	or warn "ERROR: unable to write runtime file: $!";
2215	})->();
2216	},	2633	},
2217	);	2634	);
2218		2635
2219	END { cf::emergency_save }	2636	END { cf::emergency_save }
2220		2637

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