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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 1.229 by root, Sun Apr 1 00:36:34 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 }
…		…
273	warn $@ if $@;	314	warn $@ if $@;
274	undef $busy;	315	undef $busy;
275	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
276		317
277	while ($busy) {	318	while ($busy) {
278	unless (Coro::cede) {	319	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	}	320	}
283		321
284	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
285	} else {	323	} else {
286	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	327	}
290	}	328	}
291		329
292	=item $coro = cf::async_ext { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
293		331
294	Like async, but this coro is automcatially being canceled when the	332	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	333	extension calling this is being unloaded.
296		334
297	=cut	335	=cut
298		336
299	sub async_ext(&) {	337	sub async_ext(&) {
…		…
308		346
309	$coro	347	$coro
310	}	348	}
311		349
312	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
313	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
314		354
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	356	or return;
317		357
		358	my $value = $cf::RUNTIME + 90 + 10;
318	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
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	363	and return;
321		364
		365	# always fsync - this file is important
322	aio_fsync $fh	366	aio_fsync $fh
323	and return;	367	and return;
324		368
325	close $fh	369	close $fh
326	or return;	370	or return;
…		…
332	}	376	}
333		377
334	=back	378	=back
335		379
336	=cut	380	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($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		381
458	#############################################################################	382	#############################################################################
459		383
460	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
461		385
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	512	our @CB_MAP = ();
589		513
590	my %attachment;	514	my %attachment;
591		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
592	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
594		524
595	use sort 'stable';	525	use sort 'stable';
596		526
…		…
767	# object support	697	# object support
768		698
769	sub reattach {	699	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		704
773	my $registry = $obj->registry;	705	my $registry = $obj->registry;
774		706
775	@$registry = ();	707	@$registry = ();
776		708
…		…
823	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
824		756
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	761	close $fh;
830		762
831	if (@$objs) {	763	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	769	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
839	}	771	}
840	} else {	772	} else {
841	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
908	=cut	840	=cut
909		841
910	sub register_extcmd {	842	sub register_extcmd {
911	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
912		844
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
917	}	846	}
918		847
919	cf::player->attach (	848	cf::player->attach (
920	on_command => sub {	849	on_command => sub {
921	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
934		863
935	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
936		865
937	if (ref $msg) {	866	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	870	}
942	}	871	}
943	} else {	872	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		875
947	cf::override;	876	cf::override;
948	},	877	},
949	);	878	);
950		879
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	880	sub load_extension {
958	my ($path) = @_;	881	my ($path) = @_;
959		882
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	884	my $base = $1;
962	my $pkg = $1;	885	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
965		888
966	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
967		890
968	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
969	or die "$path: $!";	892	or die "$path: $!";
970		893
971	my $source =	894	my $source =
972	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
975	. "\n};\n1";	898	. "\n};\n1";
976		899
977	eval $source	900	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	902	: "extension disabled.\n";
980		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	904	warn $@;
982	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
983		906	exit 1;
984	# no strict 'refs';	907	}
985	# @{"$pkg\::ISA"} = ext::;	908	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	# }	909	}
1000		910
1001	# remove commands	911	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	}	912	}
1026		913
1027	sub load_extensions {	914	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	916	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1034	}	921	}
1035	}	922	}
1036		923
1037	#############################################################################	924	#############################################################################
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		925
1075	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1076		927
1077	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1078		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1079	=head3 cf::player	936	=head3 cf::player
1080		937
1081	=over 4	938	=over 4
1082		939
1083	=item cf::player::exists $login	940	=item cf::player::find $login
1084		941
1085	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1086		943
1087	=cut	944	=cut
1088		945
1089	sub cf::player::exists($) {	946	sub playerdir($) {
1090	cf::player::find $_[0]	947	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
		954	sub path($) {
		955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		956
		957	(playerdir $login) . "/$login.pl"
		958	}
		959
		960	sub find_active($) {
		961	$cf::PLAYER{$_[0]}
		962	and $cf::PLAYER{$_[0]}->active
		963	and $cf::PLAYER{$_[0]}
		964	}
		965
		966	sub exists($) {
		967	my ($login) = @_;
		968
		969	$cf::PLAYER{$login}
		970	or cf::sync_job { !aio_stat path $login }
		971	}
		972
		973	sub find($) {
		974	return $cf::PLAYER{$_[0]} || do {
		975	my $login = $_[0];
		976
		977	my $guard = cf::lock_acquire "user_find:$login";
		978
		979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
		984	}
		985	}
		986
		987	sub save($) {
		988	my ($pl) = @_;
		989
		990	return if $pl->{deny_save};
		991
		992	my $path = path $pl;
		993	my $guard = cf::lock_acquire "user_save:$path";
		994
		995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
		998	$pl->{last_save} = $cf::RUNTIME;
		999
		1000	$pl->save_pl ($path);
		1001	Coro::cede;
		1002	}
		1003
		1004	sub new($) {
		1005	my ($login) = @_;
		1006
		1007	my $self = create;
		1008
		1009	$self->ob->name ($login);
		1010	$self->{deny_save} = 1;
		1011
		1012	$cf::PLAYER{$login} = $self;
		1013
		1014	$self
		1015	}
		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1092	}	1116	}
1093		1117
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095		1119
1096	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1097		1121
1098	=cut	1122	=cut
1099		1123
1100	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1102		1126
1103	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1104		1128
1105	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1106	}	1130	}
		1131
		1132	package cf;
1107		1133
1108	=back	1134	=back
1109		1135
1110		1136
1111	=head3 cf::map	1137	=head3 cf::map
…		…
1117	package cf::map;	1143	package cf::map;
1118		1144
1119	use Fcntl;	1145	use Fcntl;
1120	use Coro::AIO;	1146	use Coro::AIO;
1121		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1122	our $MAX_RESET = 3600;	1152	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1153	our $DEFAULT_RESET = 3000;
1124		1154
1125	sub generate_random_map {	1155	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1158	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1300	}
1143		1301
1144	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1145	# all maps in C++...	1303	# all maps in C++...
1146	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1148		1306
1149	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1151	}	1309	}
1152		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1153	sub try_load_header($) {	1319	sub load_header_from($) {
1154	my ($path) = @_;	1320	my ($self, $path) = @_;
1155		1321
1156	utf8::encode $path;	1322	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1158	or return;	1327	or return;
1159		1328
1160	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1161	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1162		1375
1163	# for better error messages only, will be overwritten	1376	1
1164	$map->path ($path);
1165
1166	$map->load_header ($path)
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1377	}
1173		1378
1174	sub find;	1379	sub find;
1175	sub find {	1380	sub find {
1176	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1177		1382
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1384
1183	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1184		1386
1185	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1187		1389	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;	1390	or return;
1207		1391
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;	1392	$map->{last_save} = $cf::RUNTIME;
1220		1393
1221	Coro::cede;	1394	$map->load_header
		1395	or return;
1222		1396
1223	if ($map->should_reset) {	1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1400	$map->reset;
1225	undef $guard;	1401	undef $guard;
1226	$map = find $path	1402	return find $path;
1227	or return;
1228	}	1403	}
1229		1404
1230	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1231	}	1406	}
1232	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1233		1411
1234	sub load {	1412	sub load {
1235	my ($self) = @_;	1413	my ($self) = @_;
1236		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1237	my $path = $self->{path};	1417	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1239		1419
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1421
1242	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1243		1423
1244	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1245	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1429	or return;
1247		1430
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1432	if delete $self->{load_original};
1250		1433
1251	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1435	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1437	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1256	}	1439	}
1257	}	1440	}
1258		1441
1259	Coro::cede;	1442	Coro::cede;
1260		1443
1261	# now do the right thing for maps	1444	# now do the right thing for maps
1262	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1263		1446
1264	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1448	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1271	$self->set_darkness_map;	1452	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1274	$self->activate;	1456	$self->activate;
1275	}	1457	}
1276		1458
1277	Coro::cede;	1459	$self->post_load;
1278		1460
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
		1462	}
		1463
		1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
1280	}	1495	}
1281		1496
1282	sub find_sync {	1497	sub find_sync {
1283	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1284		1499
1285	cf::sync_job { cf::map::find $path, $origin }	1500	cf::sync_job { find $path, $origin }
1286	}	1501	}
1287		1502
1288	sub do_load_sync {	1503	sub do_load_sync {
1289	my ($map) = @_;	1504	my ($map) = @_;
1290		1505
1291	cf::sync_job { $map->load };	1506	cf::sync_job { $map->load };
1292	}	1507	}
1293		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
		1527	$map->load;
		1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
		1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
		1537	}
		1538
1294	sub save {	1539	sub save {
1295	my ($self) = @_;	1540	my ($self) = @_;
1296		1541
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1543
1299	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1300		1545
1301	return unless $self->dirty;	1546	return unless $self->dirty;
1302		1547
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1550
1306	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1307		1552
1308	return if $self->{deny_save};	1553	return if $self->{deny_save};
1309		1554
1310	local $self->{last_access} = $self->last_access;#d#	1555	local $self->{last_access} = $self->last_access;#d#
1311		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1312	if ($uniq) {	1561	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1564	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1566	}
1318	}	1567	}
1319		1568
1320	sub swap_out {	1569	sub swap_out {
1321	my ($self) = @_;	1570	my ($self) = @_;
…		…
1335		1584
1336	sub reset_at {	1585	sub reset_at {
1337	my ($self) = @_;	1586	my ($self) = @_;
1338		1587
1339	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1342		1591
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1594
…		…
1350	my ($self) = @_;	1599	my ($self) = @_;
1351		1600
1352	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1353	}	1602	}
1354		1603
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 {	1604	sub reset {
1377	my ($self) = @_;	1605	my ($self) = @_;
1378		1606
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1608
1381	return if $self->players;	1609	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1383		1611
1384	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1385		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1386	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1387		1627
1388	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1389		1629
1390	$self->unlink_save;	1630	$self->unlink_save;
1391	$self->destroy;	1631	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1395		1635
1396	sub nuke {	1636	sub nuke {
1397	my ($self) = @_;	1637	my ($self) = @_;
1398		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1402	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1403	}	1652	}
1404		1653
1405	sub customise_for {	1654	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1655
1408	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1410	}
1411		1658
1412	$map	1659	=cut
1413	}
1414		1660
1415	sub emergency_save {	1661	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1417		1664
1418	warn "enter emergency map save\n";	1665	my @paths;
1419		1666
1420	cf::sync_job {	1667	for (@$files) {
1421	warn "begin emergency map save\n";	1668	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1423	};	1673	}
1424		1674
1425	warn "end emergency map save\n";	1675	\@paths
1426	}	1676	}
1427		1677
1428	package cf;	1678	package cf;
1429		1679
1430	=back	1680	=back
1431		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1432		1708
1433	=head3 cf::object::player	1709	=head3 cf::object::player
1434		1710
1435	=over 4	1711	=over 4
1436		1712
…		…
1476		1752
1477	=item $player_object->enter_link	1753	=item $player_object->enter_link
1478		1754
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1756
1481	The player should be reaosnably safe there for short amounts of time. You	1757	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.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1483		1759
		1760	Will never block.
		1761
1484	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1485		1763
1486	Moves the player out of the specila link map onto the given map. If the	1764	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	1765	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,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1767	fails, to the emergency map position.
1490		1768
1491	Might block.	1769	Might block.
1492		1770
1493	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1494		1782
1495	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1784	my ($self) = @_;
1497		1785
1498	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1499		1787
1500	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1789
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1791	if $self->map;
1504		1792
1505	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1794	}
1507		1795
1508	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1510		1798
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1531		1819
1532	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1533		1822
		1823	return unless $self->contr->active;
1534	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1536	}	1828	}
1537		1829
1538	cf::player->attach (	1830	cf::player->attach (
1539	on_logout => sub {	1831	on_logout => sub {
…		…
1550	my ($pl) = @_;	1842	my ($pl) = @_;
1551		1843
1552	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1845	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1557	(async {	1848	(async {
1558	# 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
1560	$pl->ob->reply (undef,	1849	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1850	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1851	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1566	})->prio (2);	1857	})->prio (2);
1567	}	1858	}
1568	},	1859	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1577		1868
1578	$self->enter_link;	1869	$self->enter_link;
1579		1870
1580	(async {	1871	(async {
1581	$path = new cf::path $path;	1872	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1585		1875	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1878
1591	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1880	})->prio (1);
1593	}	1881	}
1594		1882
…		…
1598		1886
1599	sub parse_random_map_params {	1887	sub parse_random_map_params {
1600	my ($spec) = @_;	1888	my ($spec) = @_;
1601		1889
1602	my $rmp = { # defaults	1890	my $rmp = { # defaults
1603	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1605	};	1895	};
1606		1896
1607	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1609		1899
…		…
1613	$rmp	1903	$rmp
1614	}	1904	}
1615		1905
1616	sub prepare_random_map {	1906	sub prepare_random_map {
1617	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1910
1619	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1913	# that depends on the exit object
1622		1914
1623	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1624		1916
1625	if ($exit->map) {	1917	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1630	}	1922	}
1631		1923
1632	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1633		1925
1634	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1929
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1639		1934
1640	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1936	$exit->msg (undef);
1642	}	1937	}
1643	}	1938	}
1644		1939
1645	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1647		1942
1648	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
1649		1953
1650	$self->enter_link;	1954	$self->enter_link;
1651		1955
1652	(async {	1956	(async {
1653	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	1958	unless (eval {
1655	prepare_random_map $exit	1959	$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		1960
1661	1;	1961	1;
1662	}) {	1962	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1667		1967
1668	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	1969	$self->leave_link;
1670	}	1970	}
…		…
1684		1984
1685	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1687		1987
1688	utf8::encode $text;	1988	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	1990	}
1691		1991
1692		1992
1693	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1694		1994
…		…
1725	# get handled first	2025	# get handled first
1726	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2028
1729	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2031
1731	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1732		2033
1733	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2035	if (@$queue) {
…		…
1792		2093
1793	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1794		2095
1795	=pod	2096	=pod
1796		2097
1797	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1798		2099
1799	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1800	cf::object::player player	2101	cf::object::player player
1801	cf::player peaceful	2102	cf::player peaceful
1802	cf::map trigger	2103	cf::map trigger
…		…
1895	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2197	using it, it should be unique.
1897		2198
1898	=over 4	2199	=over 4
1899		2200
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1907		2202
1908	Returns a single value from the database	2203	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2204
1915	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1916		2206
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2208
1928	=cut	2209	=cut
1929		2210
1930	our $DB;	2211	our $DB;
1931		2212
1932	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1933	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1934		2232
1935	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2237
1939	my $pid;	2238	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2239	};
1949	}	2240	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	2241	}
		2242	}
1961		2243
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {	2244	sub db_get($$) {
1968	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1973	sub db_put($$;$) {	2255	sub db_put($$$) {
1974	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1975	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_facedata {
		2264	my $path = sprintf "%s/facedata", cf::datadir;
		2265
		2266	warn "loading facedata from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2285	Coro::cede;
		2286	}
		2287
		2288	while (my ($face, $info) = each %$faces) {
		2289	next unless $info->{smooth};
		2290	my $idx = cf::face::find $face
		2291	or next;
		2292	if (my $smooth = cf::face::find $info->{smooth}) {
		2293	cf::face::set_smooth $idx, $smooth;
1976	} else {	2294	} else {
1977	$DB->{$_[0]} = $_[1];	2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2296	}
1987	);	2297	Coro::cede;
1988	}	2298	}
1989		2299
1990	#############################################################################	2300	1
1991	# the server's main()	2301	}
		2302
		2303	sub reload_resources {
		2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2305	or die "unable to load regions file\n";#d#
		2306	load_facedata
		2307	or die "unable to load facedata\n";#d#
		2308	}
		2309
		2310	sub init {
		2311	reload_resources;
		2312	}
1992		2313
1993	sub cfg_load {	2314	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2315	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2316	or return;
1996		2317
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2323	$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};	2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2325
2005	if (exists $CFG{mlockall}) {	2326	if (exists $CFG{mlockall}) {
2006	eval {	2327	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2328	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2329	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2330	};
2010	warn $@ if $@;	2331	warn $@ if $@;
2011	}	2332	}
2012	}	2333	}
2013		2334
2014	sub main {	2335	sub main {
2015	# we must not ever block the main coroutine	2336	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2337	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2339	(async {
2018	async { Event::one_event };	2340	Event::one_event;
		2341	})->prio (Coro::PRIO_MAX);
2019	};	2342	};
2020		2343
2021	cfg_load;	2344	cfg_load;
2022	db_load;	2345	db_init;
2023	load_extensions;	2346	load_extensions;
		2347
		2348	$TICK_WATCHER->start;
2024	Event::loop;	2349	Event::loop;
2025	}	2350	}
2026		2351
2027	#############################################################################	2352	#############################################################################
2028	# initialisation	2353	# initialisation and cleanup
		2354
		2355	# install some emergency cleanup handlers
		2356	BEGIN {
		2357	for my $signal (qw(INT HUP TERM)) {
		2358	Event->signal (
		2359	reentrant => 0,
		2360	data => WF_AUTOCANCEL,
		2361	signal => $signal,
		2362	prio => 0,
		2363	cb => sub {
		2364	cf::cleanup "SIG$signal";
		2365	},
		2366	);
		2367	}
		2368	}
		2369
		2370	sub emergency_save() {
		2371	my $freeze_guard = cf::freeze_mainloop;
		2372
		2373	warn "enter emergency perl save\n";
		2374
		2375	cf::sync_job {
		2376	# use a peculiar iteration method to avoid tripping on perl
		2377	# refcount bugs in for. also avoids problems with players
		2378	# and maps saved/destroyed asynchronously.
		2379	warn "begin emergency player save\n";
		2380	for my $login (keys %cf::PLAYER) {
		2381	my $pl = $cf::PLAYER{$login} or next;
		2382	$pl->valid or next;
		2383	$pl->save;
		2384	}
		2385	warn "end emergency player save\n";
		2386
		2387	warn "begin emergency map save\n";
		2388	for my $path (keys %cf::MAP) {
		2389	my $map = $cf::MAP{$path} or next;
		2390	$map->valid or next;
		2391	$map->save;
		2392	}
		2393	warn "end emergency map save\n";
		2394
		2395	warn "begin emergency database checkpoint\n";
		2396	BDB::db_env_txn_checkpoint $DB_ENV;
		2397	warn "end emergency database checkpoint\n";
		2398	};
		2399
		2400	warn "leave emergency perl save\n";
		2401	}
		2402
		2403	sub post_cleanup {
		2404	my ($make_core) = @_;
		2405
		2406	warn Carp::longmess "post_cleanup backtrace"
		2407	if $make_core;
		2408	}
2029		2409
2030	sub reload() {	2410	sub reload() {
2031	# can/must only be called in main	2411	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2412	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2413	warn "can only reload from main coroutine";
2034	return;	2414	return;
2035	}	2415	}
2036		2416
2037	warn "reloading...";	2417	warn "reloading...";
2038		2418
2039	my $guard = freeze_mainloop;	2419	warn "entering sync_job";
		2420
		2421	cf::sync_job {
		2422	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2423	cf::emergency_save;
		2424	cf::write_runtime; # external watchdog should not bark
2041		2425
2042	eval {	2426	warn "syncing database to disk";
		2427	BDB::db_env_txn_checkpoint $DB_ENV;
		2428
2043	# if anything goes wrong in here, we should simply crash as we already saved	2429	# if anything goes wrong in here, we should simply crash as we already saved
2044		2430
2045	# cancel all watchers	2431	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2432	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2434	}
2049		2435
		2436	warn "flushing outstanding aio requests";
		2437	for (;;) {
		2438	BDB::flush;
		2439	IO::AIO::flush;
		2440	Coro::cede;
		2441	last unless IO::AIO::nreqs || BDB::nreqs;
		2442	warn "iterate...";
		2443	}
		2444
		2445	++$RELOAD;
		2446
2050	# cancel all extension coros	2447	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2448	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2449	%EXT_CORO = ();
2053		2450
2054	# unload all extensions	2451	warn "removing commands";
2055	for (@exts) {	2452	%COMMAND = ();
		2453
		2454	warn "removing ext commands";
		2455	%EXTCMD = ();
		2456
		2457	warn "unloading/nuking all extensions";
		2458	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2459	warn "... unloading $pkg";
2057	unload_extension $_;	2460
		2461	if (my $cb = $pkg->can ("unload")) {
		2462	eval {
		2463	$cb->($pkg);
		2464	1
		2465	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2466	}
2059		2467
		2468	warn "... nuking $pkg";
		2469	Symbol::delete_package $pkg;
		2470	}
		2471
2060	# unload all modules loaded from $LIBDIR	2472	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2473	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2475
2064	warn "removing <$k>";	2476	warn "... unloading $k";
2065	delete $INC{$k};	2477	delete $INC{$k};
2066		2478
2067	$k =~ s/\.pm$//;	2479	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2480	$k =~ s/\//::/g;
2069		2481
…		…
2072	}	2484	}
2073		2485
2074	Symbol::delete_package $k;	2486	Symbol::delete_package $k;
2075	}	2487	}
2076		2488
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2489	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2490	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2492
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2493	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2494	delete $INC{"cf.pm"};
2090		2495
2091	# don't, removes xs symbols, too,	2496	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2497	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2498	#Symbol::delete_package __PACKAGE__;
2094		2499
2095	# reload cf.pm	2500	warn "unload completed, starting to reload now";
		2501
2096	warn "reloading cf.pm";	2502	warn "reloading cf.pm";
2097	require cf;	2503	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2505
2100	# load config and database again	2506	warn "loading config and database again";
2101	cf::cfg_load;	2507	cf::cfg_load;
2102	cf::db_load;
2103		2508
2104	# load extensions
2105	warn "load extensions";	2509	warn "loading extensions";
2106	cf::load_extensions;	2510	cf::load_extensions;
2107		2511
2108	# reattach attachments to objects	2512	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2513	_global_reattach; # objects, sockets
2110	_global_reattach;	2514	warn "reattaching attachments to maps";
2111	};	2515	reattach $_ for values %MAP;
		2516	warn "reattaching attachments to players";
		2517	reattach $_ for values %PLAYER;
2112		2518
2113	if ($@) {	2519	warn "loading reloadable resources";
		2520	reload_resources;
		2521
		2522	warn "leaving sync_job";
		2523
		2524	1
		2525	} or do {
2114	warn $@;	2526	warn $@;
2115	warn "error while reloading, exiting.";	2527	warn "error while reloading, exiting.";
2116	exit 1;	2528	exit 1;
2117	}	2529	};
2118		2530
2119	warn "reloaded successfully";	2531	warn "reloaded";
2120	};	2532	};
2121		2533
2122	#############################################################################	2534	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} = $LINK_MAP;
2163	}
2164
2165	register "<global>", __PACKAGE__;
2166		2535
2167	register_command "reload" => sub {	2536	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2537	my ($who, $arg) = @_;
2169		2538
2170	if ($who->flag (FLAG_WIZ)) {	2539	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");	2540	$who->message ("reloading server.");
		2541
		2542	# doing reload synchronously and two reloads happen back-to-back,
		2543	# coro crashes during coro_state_free->destroy here.
		2544
		2545	$RELOAD_WATCHER ||= Event->timer (
		2546	reentrant => 0,
		2547	after => 0,
		2548	data => WF_AUTOCANCEL,
		2549	cb => sub {
2172	reload;	2550	reload;
2173	$who->message ("end of reload.");	2551	undef $RELOAD_WATCHER;
		2552	},
		2553	);
2174	}	2554	}
2175	};	2555	};
2176		2556
2177	unshift @INC, $LIBDIR;	2557	unshift @INC, $LIBDIR;
		2558
		2559	my $bug_warning = 0;
2178		2560
2179	$TICK_WATCHER = Event->timer (	2561	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2562	reentrant => 0,
		2563	parked => 1,
2181	prio => 0,	2564	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2565	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2566	data => WF_AUTOCANCEL,
2184	cb => sub {	2567	cb => sub {
		2568	if ($Coro::current != $Coro::main) {
		2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2570	unless ++$bug_warning > 10;
		2571	return;
		2572	}
		2573
		2574	$NOW = Event::time;
		2575
2185	cf::server_tick; # one server iteration	2576	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;	2577	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2578	$NEXT_TICK += $TICK;
		2579
		2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2581	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2582	Coro::async_pool {
		2583	write_runtime
		2584	or warn "ERROR: unable to write runtime file: $!";
		2585	};
		2586	}
		2587
		2588	$WAIT_FOR_TICK->broadcast;
		2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2590
		2591	# my $AFTER = Event::time;
		2592	# warn $AFTER - $NOW;#d#
2188		2593
2189	# if we are delayed by four ticks or more, skip them all	2594	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2596
2192	$TICK_WATCHER->at ($NEXT_TICK);	2597	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2598	$TICK_WATCHER->start;
2194	},	2599	},
2195	);	2600	);
2196		2601
		2602	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2603	BDB::max_poll_time $TICK * 0.1;
2198		2604	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2605	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2606	fd => BDB::poll_fileno,
2201	poll => 'r',	2607	poll => 'r',
2202	prio => 5,	2608	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2609	data => WF_AUTOCANCEL,
2209	after => 0,	2610	cb => \&BDB::poll_cb,
2210	interval => 10,	2611	);
2211	cb => sub {	2612	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2613
2213	write_runtime	2614	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2615	my $status;
		2616	my $current = $Coro::current;
		2617	(
		2618	sub {
		2619	$status = $!;
		2620	$current->ready; undef $current;
		2621	},
		2622	sub {
		2623	Coro::schedule while defined $current;
		2624	$! = $status;
		2625	},
		2626	)
		2627	};
		2628
		2629	unless ($DB_ENV) {
		2630	$DB_ENV = BDB::db_env_create;
		2631
		2632	cf::sync_job {
		2633	eval {
		2634	BDB::db_env_open
		2635	$DB_ENV,
		2636	$BDB_ENV_DIR,
		2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2639	0666;
		2640
		2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2642
		2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2644	$DB_ENV->set_lk_detect;
		2645	};
		2646
		2647	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2648	};
2216	},	2649	}
2217	);	2650	}
		2651
		2652	{
		2653	IO::AIO::min_parallel 8;
		2654
		2655	undef $Coro::AIO::WATCHER;
		2656	IO::AIO::max_poll_time $TICK * 0.1;
		2657	$AIO_POLL_WATCHER = Event->io (
		2658	reentrant => 0,
		2659	data => WF_AUTOCANCEL,
		2660	fd => IO::AIO::poll_fileno,
		2661	poll => 'r',
		2662	prio => 6,
		2663	cb => \&IO::AIO::poll_cb,
		2664	);
		2665	}
2218		2666
2219	END { cf::emergency_save }	2667	END { cf::emergency_save }
2220		2668
2221	1	2669	1
2222		2670

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