[ViewVC] Diff of: cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.184 by root, Fri Jan 19 22:47:57 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 3.4 ();
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 Data::Dumper;
20	use Digest::MD5;	21	use Digest::MD5;
21	use Fcntl;	22	use Fcntl;
22	use IO::AIO 2.31 ();	23	use IO::AIO 2.32 ();
23	use YAML::Syck ();	24	use YAML::Syck ();
24	use Time::HiRes;	25	use Time::HiRes;
25		26
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	27	use Event; $Event::Eval = 1; # no idea why this is required, but it is
27		28
		29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		30
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	32	$YAML::Syck::ImplicitUnicode = 1;
30		33
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		35
35	our %COMMAND = ();	36	our %COMMAND = ();
36	our %COMMAND_TIME = ();	37	our %COMMAND_TIME = ();
		38
		39	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	40	our %EXTCMD = ();
		41	our %EXT_CORO = (); # coroutines bound to extensions
		42	our %EXT_MAP = (); # pluggable maps
38		43
39	our @EVENT;	44	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	45	our $LIBDIR = datadir . "/ext";
41		46
42	our $TICK = MAX_TIME * 1e-6;	47	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	48	our $TICK_WATCHER;
		49	our $AIO_POLL_WATCHER;
		50	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	51	our $NEXT_TICK;
45	our $NOW;	52	our $NOW;
46		53
47	our %CFG;	54	our %CFG;
48		55
49	our $UPTIME; $UPTIME \|\|= time;	56	our $UPTIME; $UPTIME \|\|= time;
50	our $RUNTIME;	57	our $RUNTIME;
51		58
		59	our %PLAYER; # all users
52	our %MAP; # all maps	60	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	61	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	63
		64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK \|\|= new Coro::Signal;
		65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE \|\|= new Coro::Signal;
		66
		67	# used to convert map paths into valid unix filenames by replacing / by ∕
		68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		69
58	binmode STDOUT;	70	binmode STDOUT;
59	binmode STDERR;	71	binmode STDERR;
60		72
61	# read virtual server time, if available	73	# read virtual server time, if available
…		…
69	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
73		85
74	# a special map that is always available	86	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
78		87
79	#############################################################################	88	#############################################################################
80		89
81	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
82		91
…		…
106		115
107	=item %cf::CFG	116	=item %cf::CFG
108		117
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	119	from wherever your confdir points to.
		120
		121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		122
		123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		125	processing has been done. Call C<< ->wait >> on them to maximise the
		126	window of cpu time available, or simply to synchronise to the server tick.
111		127
112	=back	128	=back
113		129
114	=cut	130	=cut
115		131
…		…
119	utf8::encode $msg;	135	utf8::encode $msg;
120		136
121	$msg .= "\n"	137	$msg .= "\n"
122	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
123		139
124	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
125	};	141	};
126	}	142	}
127		143
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		163
148	$Event::DIED = sub {	164	$Event::DIED = sub {
149	warn "error in event callback: @_";	165	warn "error in event callback: @_";
150	};	166	};
151		167
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
157		169
158	=over 4	170	=over 4
159		171
		172	=item dumpval $ref
		173
160	=cut	174	=cut
		175
		176	sub dumpval {
		177	eval {
		178	local $SIG{__DIE__};
		179	my $d;
		180	if (1) {
		181	$d = new Data::Dumper([$_[0]], ["*var"]);
		182	$d->Terse(1);
		183	$d->Indent(2);
		184	$d->Quotekeys(0);
		185	$d->Useqq(1);
		186	#$d->Bless(...);
		187	$d->Seen($_[1]) if @_ > 1;
		188	$d = $d->Dump();
		189	}
		190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		191	$d
		192	} \|\| "[unable to dump $_[0]: '$@']";
		193	}
161		194
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		196
164	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
165		198
…		…
180		213
181	sub to_json($) {	214	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
184	}	217	}
		218
		219	=item cf::lock_wait $string
		220
		221	Wait until the given lock is available. See cf::lock_acquire.
		222
		223	=item my $lock = cf::lock_acquire $string
		224
		225	Wait until the given lock is available and then acquires it and returns
		226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		227	for example when the coroutine gets canceled), the lock is automatically
		228	returned.
		229
		230	Lock names should begin with a unique identifier (for example, cf::map::find
		231	uses map_find and cf::map::load uses map_load).
		232
		233	=cut
		234
		235	our %LOCK;
		236
		237	sub lock_wait($) {
		238	my ($key) = @_;
		239
		240	# wait for lock, if any
		241	while ($LOCK{$key}) {
		242	push @{ $LOCK{$key} }, $Coro::current;
		243	Coro::schedule;
		244	}
		245	}
		246
		247	sub lock_acquire($) {
		248	my ($key) = @_;
		249
		250	# wait, to be sure we are not locked
		251	lock_wait $key;
		252
		253	$LOCK{$key} = [];
		254
		255	Coro::guard {
		256	# wake up all waiters, to be on the safe side
		257	$_->ready for @{ delete $LOCK{$key} };
		258	}
		259	}
		260
		261	sub freeze_mainloop {
		262	return unless $TICK_WATCHER->is_active;
		263
		264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
		269	$TICK_WATCHER->stop;
		270	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
185		282
186	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
187		284
188	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
205		302
206	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	304	# (but this is cancel-safe)
208	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
209		306
210	my $busy = 1;	307	my $busy = 1;
211	my @res;	308	my @res;
212		309
213	(Coro::async {	310	(async {
214	@res = eval { $job->() };	311	@res = eval { $job->() };
215	warn $@ if $@;	312	warn $@ if $@;
216	undef $busy;	313	undef $busy;
217	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
218		315
219	while ($busy) {	316	while ($busy) {
220	Coro::cede_notself;	317	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	318	}
223		319
224	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
225	} else {	321	} else {
226	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
227		323
228	$job->()	324	$job->()
229	}	325	}
230	}	326	}
231		327
232	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
233		329
234	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
236		332
237	=cut	333	=cut
238		334
239	sub coro(&) {	335	sub async_ext(&) {
240	my $cb = shift;	336	my $cb = shift;
241		337
242	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		339
249	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
251	});	342	});
252	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
277	}	368	}
278		369
279	=back	370	=back
280		371
281	=cut	372	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} \|\| $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		373
393	#############################################################################	374	#############################################################################
394		375
395	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
396		377
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	504	our @CB_MAP = ();
524		505
525	my %attachment;	506	my %attachment;
526		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
527	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
529		516
530	use sort 'stable';	517	use sort 'stable';
531		518
…		…
702	# object support	689	# object support
703		690
704	sub reattach {	691	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		696
708	my $registry = $obj->registry;	697	my $registry = $obj->registry;
709		698
710	@$registry = ();	699	@$registry = ();
711		700
…		…
804	or return;	793	or return;
805		794
806	unless (aio_stat "$filename.pst") {	795	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	796	(aio_load "$filename.pst", $av) >= 0
808	or return;	797	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	798	$av = eval { (Storable::thaw $av)->{objs} };
810	}	799	}
811		800
		801	warn sprintf "loading %s (%d)\n",
		802	$filename, length $data, scalar @{$av \|\| []};#d#
812	return ($data, $av);	803	return ($data, $av);
813	}	804	}
814		805
815	#############################################################################	806	#############################################################################
816	# command handling &c	807	# command handling &c
…		…
841	=cut	832	=cut
842		833
843	sub register_extcmd {	834	sub register_extcmd {
844	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
845		836
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
850	}	838	}
851		839
852	cf::player->attach (	840	cf::player->attach (
853	on_command => sub {	841	on_command => sub {
854	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
867		855
868	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
869		857
870	if (ref $msg) {	858	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	862	}
875	}	863	}
876	} else {	864	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		867
880	cf::override;	868	cf::override;
881	},	869	},
882	);	870	);
883		871
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	872	sub load_extension {
891	my ($path) = @_;	873	my ($path) = @_;
892		874
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	876	my $base = $1;
895	my $pkg = $1;	877	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
898		880
899	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
900		882
901	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
902	or die "$path: $!";	884	or die "$path: $!";
903		885
904	my $source =	886	my $source =
905	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
908	. "\n};\n1";	890	. "\n};\n1";
909		891
910	eval $source	892	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	894	: "extension disabled.\n";
913		895	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	896	warn $@;
915	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
916		898	exit 1;
917	# no strict 'refs';	899	}
918	# @{"$pkg\::ISA"} = ext::;	900	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	901	}
933		902
934	# remove commands	903	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	904	}
959		905
960	sub load_extensions {	906	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	908	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
967	}	913	}
968	}	914	}
969		915
970	#############################################################################	916	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		917
1008	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1009		919
1010	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1011		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1012	=head3 cf::player	928	=head3 cf::player
1013		929
1014	=over 4	930	=over 4
1015		931
1016	=item cf::player::exists $login	932	=item cf::player::find $login
1017		933
1018	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1019		935
1020	=cut	936	=cut
1021		937
1022	sub cf::player::exists($) {	938	sub playerdir($) {
1023	cf::player::find $_[0]	939	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	940	. "/"
		941	. cf::playerdir
		942	. "/"
		943	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		944	}
		945
		946	sub path($) {
		947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		948
		949	(playerdir $login) . "/$login.pl"
		950	}
		951
		952	sub find_active($) {
		953	$cf::PLAYER{$_[0]}
		954	and $cf::PLAYER{$_[0]}->active
		955	and $cf::PLAYER{$_[0]}
		956	}
		957
		958	sub exists($) {
		959	my ($login) = @_;
		960
		961	$cf::PLAYER{$login}
		962	or cf::sync_job { !aio_stat path $login }
		963	}
		964
		965	sub find($) {
		966	return $cf::PLAYER{$_[0]} \|\| do {
		967	my $login = $_[0];
		968
		969	my $guard = cf::lock_acquire "user_find:$login";
		970
		971	$cf::PLAYER{$_[0]} \|\| do {
		972	my $pl = load_pl path $login
		973	or return;
		974	$cf::PLAYER{$login} = $pl
		975	}
		976	}
		977	}
		978
		979	sub save($) {
		980	my ($pl) = @_;
		981
		982	return if $pl->{deny_save};
		983
		984	my $path = path $pl;
		985	my $guard = cf::lock_acquire "user_save:$path";
		986
		987	return if $pl->{deny_save};
		988
		989	aio_mkdir playerdir $pl, 0770;
		990	$pl->{last_save} = $cf::RUNTIME;
		991
		992	$pl->save_pl ($path);
		993	Coro::cede;
		994	}
		995
		996	sub new($) {
		997	my ($login) = @_;
		998
		999	my $self = create;
		1000
		1001	$self->ob->name ($login);
		1002	$self->{deny_save} = 1;
		1003
		1004	$cf::PLAYER{$login} = $self;
		1005
		1006	$self
		1007	}
		1008
		1009	=item $pl->quit_character
		1010
		1011	Nukes the player without looking back. If logged in, the connection will
		1012	be destroyed. May block for a long time.
		1013
		1014	=cut
		1015
		1016	sub quit_character {
		1017	my ($pl) = @_;
		1018
		1019	$pl->{deny_save} = 1;
		1020	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1021
		1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1023	$pl->deactivate;
		1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1025	$pl->ns->destroy if $pl->ns;
		1026
		1027	my $path = playerdir $pl;
		1028	my $temp = "$path~$cf::RUNTIME~deleting~";
		1029	aio_rename $path, $temp;
		1030	delete $cf::PLAYER{$pl->ob->name};
		1031	$pl->destroy;
		1032	IO::AIO::aio_rmtree $temp;
		1033	}
		1034
		1035	=item cf::player::list_logins
		1036
		1037	Returns am arrayref of all valid playernames in the system, can take a
		1038	while and may block, so not sync_job-capable, ever.
		1039
		1040	=cut
		1041
		1042	sub list_logins {
		1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1044	or return [];
		1045
		1046	my @logins;
		1047
		1048	for my $login (@$dirs) {
		1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1050	aio_read $fh, 0, 512, my $buf, 0 or next;
		1051	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1052
		1053	utf8::decode $login;
		1054	push @logins, $login;
		1055	}
		1056
		1057	\@logins
		1058	}
		1059
		1060	=item $player->maps
		1061
		1062	Returns an arrayref of map paths that are private for this
		1063	player. May block.
		1064
		1065	=cut
		1066
		1067	sub maps($) {
		1068	my ($pl) = @_;
		1069
		1070	my $files = aio_readdir playerdir $pl
		1071	or return;
		1072
		1073	my @paths;
		1074
		1075	for (@$files) {
		1076	utf8::decode $_;
		1077	next if /\.(?:pl\|pst)$/;
		1078	next unless /^$PATH_SEP/o;
		1079
		1080	s/\.map$//;
		1081	push @paths, "~" . $pl->ob->name . "/" . $_;
		1082	}
		1083
		1084	\@paths
1025	}	1085	}
1026		1086
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028		1088
1029	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1030		1090
1031	=cut	1091	=cut
1032		1092
1033	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1035		1095
1036	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1037		1097
1038	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1039	}	1099	}
		1100
		1101	package cf;
1040		1102
1041	=back	1103	=back
1042		1104
1043		1105
1044	=head3 cf::map	1106	=head3 cf::map
…		…
1050	package cf::map;	1112	package cf::map;
1051		1113
1052	use Fcntl;	1114	use Fcntl;
1053	use Coro::AIO;	1115	use Coro::AIO;
1054		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1055	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1057		1123
1058	sub generate_random_map {	1124	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1127	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1138	(cf::region::find $rmp->{region}), $rmp->{custom}
		1139	)
		1140	}
		1141
		1142	sub register {
		1143	my (undef, $regex) = @_;
		1144	my $pkg = caller;
		1145
		1146	no strict;
		1147	push @{"$pkg\::ISA"}, __PACKAGE__;
		1148
		1149	$EXT_MAP{$pkg} = qr<$regex>;
		1150	}
		1151
		1152	# also paths starting with '/'
		1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1154
		1155	sub thawer_merge {
		1156	my ($self, $merge) = @_;
		1157
		1158	# we have to keep some variables in memory intact
		1159	local $self->{path};
		1160	local $self->{load_path};
		1161	local $self->{deny_save};
		1162	local $self->{deny_reset};
		1163
		1164	$self->SUPER::thawer_merge ($merge);
		1165	}
		1166
		1167	sub normalise {
		1168	my ($path, $base) = @_;
		1169
		1170	# map plan:
		1171	#
		1172	# /! non-realised random map exit (special hack!)
		1173	# {... are special paths that are not being touched
		1174	# ?xxx/... are special absolute paths
		1175	# ?random/... random maps
		1176	# /... normal maps
		1177	# ~user/... per-player map of a specific user
		1178
		1179	$path =~ s/$PATH_SEP/\//go;
		1180
		1181	# treat it as relative path if it starts with
		1182	# something that looks reasonable
		1183	if ($path =~ m{^(?:\./\|\.\./\|\w)}) {
		1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1185
		1186	$base =~ s{[^/]+/?$}{};
		1187	$path = "$base/$path";
		1188	}
		1189
		1190	for ($path) {
		1191	redo if s{//}{/};
		1192	redo if s{/\.?/}{/};
		1193	redo if s{/[^/]+/\.\./}{/};
		1194	}
		1195
		1196	$path
		1197	}
		1198
		1199	sub new_from_path {
		1200	my (undef, $path, $base) = @_;
		1201
		1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1203
		1204	$path = normalise $path, $base;
		1205
		1206	for my $pkg (keys %EXT_MAP) {
		1207	if ($path =~ $EXT_MAP{$pkg}) {
		1208	my $self = bless cf::map::new, $pkg;
		1209	$self->{path} = $path; $self->path ($path);
		1210	$self->init; # pass $1 etc.
		1211	return $self;
		1212	}
		1213	}
		1214
		1215	Carp::carp "unable to resolve path '$path'.";
		1216	()
		1217	}
		1218
		1219	sub init {
		1220	my ($self) = @_;
		1221
		1222	$self
		1223	}
		1224
		1225	sub as_string {
		1226	my ($self) = @_;
		1227
		1228	"$self->{path}"
		1229	}
		1230
		1231	# the displayed name, this is a one way mapping
		1232	sub visible_name {
		1233	&as_string
		1234	}
		1235
		1236	# the original (read-only) location
		1237	sub load_path {
		1238	my ($self) = @_;
		1239
		1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1241	}
		1242
		1243	# the temporary/swap location
		1244	sub save_path {
		1245	my ($self) = @_;
		1246
		1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1249	}
		1250
		1251	# the unique path, undef == no special unique path
		1252	sub uniq_path {
		1253	my ($self) = @_;
		1254
		1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1257	}
1076		1258
1077	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1078	# all maps in C++...	1260	# all maps in C++...
1079	sub change_all_map_light {	1261	sub change_all_map_light {
1080	my ($change) = @_;	1262	my ($change) = @_;
1081		1263
1082	$_->change_map_light ($change) for values %cf::MAP;	1264	$_->change_map_light ($change)
		1265	for grep $_->outdoor, values %cf::MAP;
1083	}	1266	}
1084		1267
		1268	sub unlink_save {
		1269	my ($self) = @_;
		1270
		1271	utf8::encode (my $save = $self->save_path);
		1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1274	}
		1275
1085	sub try_load_header($) {	1276	sub load_header_from($) {
1086	my ($path) = @_;	1277	my ($self, $path) = @_;
1087		1278
1088	utf8::encode $path;	1279	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1090	or return;	1281	or return;
1091		1282
1092	my $map = cf::map::new	1283	$self->_load_header ($path)
1093	or return;	1284	or return;
1094		1285
1095	$map->load_header ($path)	1286	$self->{load_path} = $path;
		1287
		1288	1
		1289	}
		1290
		1291	sub load_orig {
		1292	my ($self) = @_;
		1293
		1294	$self->load_header_from ($self->load_path)
		1295	}
		1296
		1297	sub load_temp {
		1298	my ($self) = @_;
		1299
		1300	$self->load_header_from ($self->save_path)
		1301	}
		1302
		1303	sub load_header {
		1304	my ($self) = @_;
		1305
		1306	if ($self->load_temp) {
		1307	$self->last_access ((delete $self->{last_access})
		1308	\|\| $cf::RUNTIME); #d#
		1309	# safety
		1310	$self->{instantiate_time} = $cf::RUNTIME
		1311	if $self->{instantiate_time} > $cf::RUNTIME;
		1312	} else {
		1313	$self->load_orig
1096	or return;	1314	or return;
1097		1315
1098	$map->{load_path} = $path;	1316	$self->{load_original} = 1;
		1317	$self->{instantiate_time} = $cf::RUNTIME;
		1318	$self->last_access ($cf::RUNTIME);
		1319	$self->instantiate;
		1320	}
1099		1321
1100	$map	1322	1
1101	}	1323	}
1102		1324
		1325	sub find;
1103	sub find_map {	1326	sub find {
1104	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1105		1328
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1330
		1331	cf::lock_wait "map_find:$path";
		1332
1111	$cf::MAP{$key} \|\| do {	1333	$cf::MAP{$path} \|\| do {
1112	# do it the slow way	1334	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1335	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1336	or return;
1127		1337
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1338	$map->{last_save} = $cf::RUNTIME;
		1339
		1340	$map->load_header
		1341	or return;
1139		1342
1140	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1345	$map->reset;
		1346	undef $guard;
1142	$map = find_map $path;	1347	$map = find $path
		1348	or return;
1143	}	1349	}
1144		1350
1145	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1146	}	1352	}
1147	}	1353	}
1148		1354
1149	sub load {	1355	sub load {
1150	my ($self) = @_;	1356	my ($self) = @_;
1151		1357
		1358	my $path = $self->{path};
		1359	my $guard = cf::lock_acquire "map_load:$path";
		1360
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1362
1154	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1155		1364
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1365	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1367	or return;
1161		1368
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1370	if delete $self->{load_original};
1164		1371
1165	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1373	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1375	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1170	}	1377	}
1171	}	1378	}
		1379
		1380	Coro::cede;
1172		1381
1173	# now do the right thing for maps	1382	# now do the right thing for maps
1174	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1175		1384
1176	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1386	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1183	$self->set_darkness_map;	1390	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1186	$self->activate;	1394	$self->activate;
1187	}	1395	}
1188		1396
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1398	}
1191		1399
1192	sub load_map_sync {	1400	sub customise_for {
		1401	my ($self, $ob) = @_;
		1402
		1403	return find "~" . $ob->name . "/" . $self->{path}
		1404	if $self->per_player;
		1405
		1406	$self
		1407	}
		1408
		1409	# find and load all maps in the 3x3 area around a map
		1410	sub load_diag {
		1411	my ($map) = @_;
		1412
		1413	my @diag; # diagonal neighbours
		1414
		1415	for (0 .. 3) {
		1416	my $neigh = $map->tile_path ($_)
		1417	or next;
		1418	$neigh = find $neigh, $map
		1419	or next;
		1420	$neigh->load;
		1421
		1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1424	}
		1425
		1426	for (@diag) {
		1427	my $neigh = find @$_
		1428	or next;
		1429	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1193	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1194		1435
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1196		1438
1197	cf::sync_job {	1439	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
1199	or return;	1441
		1442	cf::sync_job { $map->load };
		1443	}
		1444
		1445	our %MAP_PREFETCH;
		1446	our $MAP_PREFETCHER = undef;
		1447
		1448	sub find_async {
		1449	my ($path, $origin) = @_;
		1450
		1451	$path = normalise $path, $origin && $origin->{path};
		1452
		1453	if (my $map = $cf::MAP{$path}) {
		1454	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1455	}
		1456
		1457	undef $MAP_PREFETCH{$path};
		1458	$MAP_PREFETCHER \|\|= cf::async {
		1459	while (%MAP_PREFETCH) {
		1460	for my $path (keys %MAP_PREFETCH) {
		1461	my $map = find $path
		1462	or next;
1200	$map->load;	1463	$map->load;
1201	$map	1464
		1465	delete $MAP_PREFETCH{$path};
		1466	}
		1467	}
		1468	undef $MAP_PREFETCHER;
1202	}	1469	};
		1470
		1471	()
1203	}	1472	}
1204		1473
1205	sub save {	1474	sub save {
1206	my ($self) = @_;	1475	my ($self) = @_;
1207		1476
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1478
1211	$self->{last_save} = $cf::RUNTIME;	1479	$self->{last_save} = $cf::RUNTIME;
1212		1480
1213	return unless $self->dirty;	1481	return unless $self->dirty;
1214		1482
		1483	my $save = $self->save_path; utf8::encode $save;
		1484	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1485
1215	$self->{load_path} = $save;	1486	$self->{load_path} = $save;
1216		1487
1217	return if $self->{deny_save};	1488	return if $self->{deny_save};
1218		1489
		1490	local $self->{last_access} = $self->last_access;#d#
		1491
		1492	cf::async {
		1493	$_->contr->save for $self->players;
		1494	};
		1495
1219	if ($uniq) {	1496	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1497	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1499	} else {
1223	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1500	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1224	}	1501	}
1225	}	1502	}
1226		1503
1227	sub swap_out {	1504	sub swap_out {
1228	my ($self) = @_;	1505	my ($self) = @_;
		1506
		1507	# save first because save cedes
		1508	$self->save;
		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1511
1230	return if $self->players;	1512	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1514	return if $self->{deny_save};
1233		1515
1234	$self->save;
1235	$self->clear;	1516	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1517	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1518	}
1238		1519
1239	sub reset_at {	1520	sub reset_at {
1240	my ($self) = @_;	1521	my ($self) = @_;
1241		1522
1242	# TODO: safety, remove and allow resettable per-player maps	1523	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1525	return 1e99 if $self->{deny_reset};
1245		1526
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout \|\| $DEFAULT_RESET;	1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1529
1250	$time + $to	1530	$time + $to
1251	}	1531	}
1252		1532
1253	sub should_reset {	1533	sub should_reset {
1254	my ($self) = @_;	1534	my ($self) = @_;
1255		1535
1256	$self->reset_at <= $cf::RUNTIME	1536	$self->reset_at <= $cf::RUNTIME
1257	}	1537	}
1258		1538
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1539	sub reset {
1268	my ($self) = @_;	1540	my ($self) = @_;
1269		1541
		1542	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1543
1270	return if $self->players;	1544	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1545	return if $self->isa ("ext::map_per_player");#d#
1272		1546
1273	warn "resetting map ", $self->path;#d#	1547	warn "resetting map ", $self->path;#d#
1274		1548
1275	delete $cf::MAP{$self->path};	1549	delete $cf::MAP{$self->path};
		1550
		1551	$self->in_memory (cf::MAP_SWAPPED);
		1552	$self->clear;
1276		1553
1277	$_->clear_links_to ($self) for values %cf::MAP;	1554	$_->clear_links_to ($self) for values %cf::MAP;
1278		1555
1279	$self->unlink_save;	1556	$self->unlink_save;
1280	$self->destroy;	1557	$self->destroy;
1281	}	1558	}
1282		1559
1283	sub customise_for {	1560	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1561
1286	if ($map->per_player) {	1562	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1563	my ($self) = @_;
1288	}
1289		1564
1290	$map	1565	delete $cf::MAP{$self->path};
1291	}
1292		1566
1293	sub emergency_save {	1567	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1568
1296	warn "enter emergency map save\n";	1569	bless $self, "cf::map";
		1570	delete $self->{deny_reset};
		1571	$self->{deny_save} = 1;
		1572	$self->reset_timeout (1);
		1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1574
1298	cf::sync_job {	1575	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1576
1300	$_->save for values %cf::MAP;	1577	$self->reset; # polite request, might not happen
		1578	}
		1579
		1580	=item cf::map::unique_maps
		1581
		1582	Returns an arrayref of paths of all shared maps that have
		1583	instantiated unique items. May block.
		1584
		1585	=cut
		1586
		1587	sub unique_maps() {
		1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1589	or return;
		1590
		1591	my @paths;
		1592
		1593	for (@$files) {
		1594	utf8::decode $_;
		1595	next if /\.pst$/;
		1596	next unless /^$PATH_SEP/o;
		1597
		1598	s/\.map$//;
		1599	push @paths, $_;
1301	};	1600	}
1302		1601
1303	warn "end emergency map save\n";	1602	\@paths
1304	}	1603	}
1305		1604
1306	package cf;	1605	package cf;
1307		1606
1308	=back	1607	=back
1309		1608
		1609	=head3 cf::object
		1610
		1611	=cut
		1612
		1613	package cf::object;
		1614
		1615	=over 4
		1616
		1617	=item $ob->inv_recursive
		1618
		1619	Returns the inventory of the object _and_ their inventories, recursively.
		1620
		1621	=cut
		1622
		1623	sub inv_recursive_;
		1624	sub inv_recursive_ {
		1625	map { $_, inv_recursive_ $_->inv } @_
		1626	}
		1627
		1628	sub inv_recursive {
		1629	inv_recursive_ inv $_[0]
		1630	}
		1631
		1632	package cf;
		1633
		1634	=back
1310		1635
1311	=head3 cf::object::player	1636	=head3 cf::object::player
1312		1637
1313	=over 4	1638	=over 4
1314		1639
…		…
1350	(ref $cf::CFG{"may_$access"}	1675	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1676	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1677	: $cf::CFG{"may_$access"})
1353	}	1678	}
1354		1679
		1680	=item $player_object->enter_link
		1681
		1682	Freezes the player and moves him/her to a special map (C<{link}>).
		1683
		1684	The player should be reasonably safe there for short amounts of time. You
		1685	I<MUST> call C<leave_link> as soon as possible, though.
		1686
		1687	Will never block.
		1688
		1689	=item $player_object->leave_link ($map, $x, $y)
		1690
		1691	Moves the player out of the special C<{link}> map onto the specified
		1692	map. If the map is not valid (or omitted), the player will be moved back
		1693	to the location he/she was before the call to C<enter_link>, or, if that
		1694	fails, to the emergency map position.
		1695
		1696	Might block.
		1697
		1698	=cut
		1699
		1700	sub link_map {
		1701	unless ($LINK_MAP) {
		1702	$LINK_MAP = cf::map::find "{link}"
		1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1704	$LINK_MAP->load;
		1705	}
		1706
		1707	$LINK_MAP
		1708	}
		1709
1355	sub cf::object::player::enter_link {	1710	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1711	my ($self) = @_;
1357		1712
1358	return if $self->map == $LINK_MAP;	1713	$self->deactivate_recursive;
1359		1714
		1715	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1716
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1717	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1718	if $self->map;
1362		1719
1363	$self->enter_map ($LINK_MAP, 20, 20);	1720	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1364	$self->deactivate_recursive;
1365	}	1721	}
1366		1722
1367	sub cf::object::player::leave_link {	1723	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1724	my ($self, $map, $x, $y) = @_;
1369		1725
1370	my $link_pos = delete $self->{_link_pos};	1726	my $link_pos = delete $self->{_link_pos};
1371		1727
1372	unless ($map) {	1728	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1374
1375	# restore original map position	1729	# restore original map position
1376	($map, $x, $y) = @{ $link_pos \|\| [] };	1730	($map, $x, $y) = @{ $link_pos \|\| [] };
1377	$map = cf::map::find_map $map;	1731	$map = cf::map::find $map;
1378		1732
1379	unless ($map) {	1733	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1734	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1735	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1736	or die "FATAL: cannot load emergency map\n";
1383	}	1737	}
1384	}	1738	}
1385		1739
1386	($x, $y) = (-1, -1)	1740	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1743	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1744	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1745	if $x <=0 && $y <= 0;
1392		1746
1393	$map->load;	1747	$map->load;
		1748	$map->load_diag;
1394		1749
		1750	return unless $self->contr->active;
1395	$self->activate_recursive;	1751	$self->activate_recursive;
1396	$self->enter_map ($map, $x, $y);	1752	$self->enter_map ($map, $x, $y);
1397	}	1753	}
1398		1754
		1755	cf::player->attach (
		1756	on_logout => sub {
		1757	my ($pl) = @_;
		1758
		1759	# abort map switching before logout
		1760	if ($pl->ob->{_link_pos}) {
		1761	cf::sync_job {
		1762	$pl->ob->leave_link
		1763	};
		1764	}
		1765	},
		1766	on_login => sub {
		1767	my ($pl) = @_;
		1768
		1769	# try to abort aborted map switching on player login :)
		1770	# should happen only on crashes
		1771	if ($pl->ob->{_link_pos}) {
		1772	$pl->ob->enter_link;
		1773	(async {
		1774	# we need this sleep as the login has a concurrent enter_exit running
		1775	# and this sleep increases chances of the player not ending up in scorn
		1776	$pl->ob->reply (undef,
		1777	"There was an internal problem at your last logout, "
		1778	. "the server will try to bring you to your intended destination in a second.",
		1779	cf::NDI_RED);
		1780	Coro::Timer::sleep 1;
		1781	$pl->ob->leave_link;
		1782	})->prio (2);
		1783	}
		1784	},
		1785	);
		1786
1399	=item $player_object->goto_map ($map, $x, $y)	1787	=item $player_object->goto ($path, $x, $y)
1400		1788
1401	=cut	1789	=cut
1402		1790
1403	sub cf::object::player::goto_map {	1791	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1792	my ($self, $path, $x, $y) = @_;
1405		1793
1406	$self->enter_link;	1794	$self->enter_link;
1407		1795
1408	(Coro::async {	1796	(async {
1409	$path = new cf::path $path;
1410
1411	my $map = cf::map::find_map $path->as_string;	1797	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1798	$map = $map->customise_for ($self) if $map;
1413		1799
1414	warn "entering ", $map->path, " at ($x, $y)\n"	1800	# warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1801	# if $map;
		1802
		1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1416		1804
1417	$self->leave_link ($map, $x, $y);	1805	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1806	})->prio (1);
1419	}	1807	}
1420		1808
…		…
1424		1812
1425	sub parse_random_map_params {	1813	sub parse_random_map_params {
1426	my ($spec) = @_;	1814	my ($spec) = @_;
1427		1815
1428	my $rmp = { # defaults	1816	my $rmp = { # defaults
1429	xsize => 10,	1817	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1818	ysize => (cf::rndm 15, 40),
		1819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1820	#layout => string,
1431	};	1821	};
1432		1822
1433	for (split /\n/, $spec) {	1823	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1824	my ($k, $v) = split /\s+/, $_, 2;
1435		1825
…		…
1439	$rmp	1829	$rmp
1440	}	1830	}
1441		1831
1442	sub prepare_random_map {	1832	sub prepare_random_map {
1443	my ($exit) = @_;	1833	my ($exit) = @_;
		1834
		1835	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1836
1445	# all this does is basically replace the /! path by	1837	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1838	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1839	# that depends on the exit object
1448		1840
…		…
1457		1849
1458	$rmp->{random_seed} \|\|= $exit->random_seed;	1850	$rmp->{random_seed} \|\|= $exit->random_seed;
1459		1851
1460	my $data = cf::to_json $rmp;	1852	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1853	my $md5 = Digest::MD5::md5_hex $data;
		1854	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1855
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1856	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	1857	aio_write $fh, 0, (length $data), $data, 0;
		1858	undef $fh;
		1859	aio_rename "$meta~", $meta;
1465		1860
1466	$exit->slaying ("?random/$md5");	1861	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1862	$exit->msg (undef);
1468	}	1863	}
1469	}	1864	}
…		…
1473		1868
1474	return unless $self->type == cf::PLAYER;	1869	return unless $self->type == cf::PLAYER;
1475		1870
1476	$self->enter_link;	1871	$self->enter_link;
1477		1872
1478	(Coro::async {	1873	(async {
		1874	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1875	unless (eval {
1480
1481	prepare_random_map $exit	1876	prepare_random_map $exit
1482	if $exit->slaying eq "/!";	1877	if $exit->slaying eq "/!";
1483		1878
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1879	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1880	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1486		1881
1487	1;	1882	1;
1488	}) {	1883	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1884	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1885	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1886	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE \| cf::NDI_RED);	1887	cf::NDI_UNIQUE \| cf::NDI_RED);
1493		1888
1494	warn "ERROR in enter_exit: $@";	1889	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1890	$self->leave_link;
1496	}	1891	}
…		…
1547	on_reply => sub {	1942	on_reply => sub {
1548	my ($ns, $msg) = @_;	1943	my ($ns, $msg) = @_;
1549		1944
1550	# this weird shuffling is so that direct followup queries	1945	# this weird shuffling is so that direct followup queries
1551	# get handled first	1946	# get handled first
1552	my $queue = delete $ns->{query_queue};	1947	my $queue = delete $ns->{query_queue}
		1948	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		1949
1554	(shift @$queue)->[1]->($msg);	1950	(shift @$queue)->[1]->($msg);
1555		1951
1556	push @{ $ns->{query_queue} }, @$queue;	1952	push @{ $ns->{query_queue} }, @$queue;
1557		1953
…		…
1563	}	1959	}
1564	}	1960	}
1565	},	1961	},
1566	);	1962	);
1567		1963
1568	=item $client->coro (\&cb)	1964	=item $client->async (\&cb)
1569		1965
1570	Create a new coroutine, running the specified callback. The coroutine will	1966	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	1967	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	1968	or loss of connection).
1573		1969
1574	=cut	1970	=cut
1575		1971
1576	sub cf::client::coro {	1972	sub cf::client::async {
1577	my ($self, $cb) = @_;	1973	my ($self, $cb) = @_;
1578		1974
1579	my $coro; $coro = async {	1975	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		1976
1586	$coro->on_destroy (sub {	1977	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	1978	delete $self->{_coro}{$coro+0};
1588	});	1979	});
1589		1980
…		…
1761		2152
1762	{	2153	{
1763	my $path = cf::localdir . "/database.pst";	2154	my $path = cf::localdir . "/database.pst";
1764		2155
1765	sub db_load() {	2156	sub db_load() {
1766	warn "loading database $path\n";#d# remove later
1767	$DB = stat $path ? Storable::retrieve $path : { };	2157	$DB = stat $path ? Storable::retrieve $path : { };
1768	}	2158	}
1769		2159
1770	my $pid;	2160	my $pid;
1771		2161
1772	sub db_save() {	2162	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;	2163	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {	2164	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;	2165	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";	2166	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;	2167	rename "$path~", $path;
…		…
1785	sub db_sync() {	2174	sub db_sync() {
1786	db_save if $dirty;	2175	db_save if $dirty;
1787	undef $dirty;	2176	undef $dirty;
1788	}	2177	}
1789		2178
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2179	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;	2180	db_sync;
1792	});	2181	});
1793		2182
1794	sub db_dirty() {	2183	sub db_dirty() {
1795	$dirty = 1;	2184	$dirty = 1;
…		…
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2215	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2216	or return;
1828		2217
1829	local $/;	2218	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2219	*CFG = YAML::Syck::Load <$fh>;
		2220
		2221	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2222
		2223	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2224	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2225
		2226	if (exists $CFG{mlockall}) {
		2227	eval {
		2228	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2229	and die "WARNING: m(un)lockall failed: $!\n";
		2230	};
		2231	warn $@ if $@;
		2232	}
1831	}	2233	}
1832		2234
1833	sub main {	2235	sub main {
1834	# we must not ever block the main coroutine	2236	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2237	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2238	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2239	(async {
1838	Event::one_event;	2240	Event::one_event;
1839	})->();	2241	})->prio (Coro::PRIO_MAX);
1840	};	2242	};
1841		2243
1842	cfg_load;	2244	cfg_load;
1843	db_load;	2245	db_load;
1844	load_extensions;	2246	load_extensions;
		2247
		2248	$TICK_WATCHER->start;
1845	Event::loop;	2249	Event::loop;
1846	}	2250	}
1847		2251
1848	#############################################################################	2252	#############################################################################
1849	# initialisation	2253	# initialisation and cleanup
		2254
		2255	# install some emergency cleanup handlers
		2256	BEGIN {
		2257	for my $signal (qw(INT HUP TERM)) {
		2258	Event->signal (
		2259	data => WF_AUTOCANCEL,
		2260	signal => $signal,
		2261	cb => sub {
		2262	cf::cleanup "SIG$signal";
		2263	},
		2264	);
		2265	}
		2266	}
		2267
		2268	sub emergency_save() {
		2269	my $freeze_guard = cf::freeze_mainloop;
		2270
		2271	warn "enter emergency perl save\n";
		2272
		2273	cf::sync_job {
		2274	# use a peculiar iteration method to avoid tripping on perl
		2275	# refcount bugs in for. also avoids problems with players
		2276	# and maps saved/destroyed asynchronously.
		2277	warn "begin emergency player save\n";
		2278	for my $login (keys %cf::PLAYER) {
		2279	my $pl = $cf::PLAYER{$login} or next;
		2280	$pl->valid or next;
		2281	$pl->save;
		2282	}
		2283	warn "end emergency player save\n";
		2284
		2285	warn "begin emergency map save\n";
		2286	for my $path (keys %cf::MAP) {
		2287	my $map = $cf::MAP{$path} or next;
		2288	$map->valid or next;
		2289	$map->save;
		2290	}
		2291	warn "end emergency map save\n";
		2292	};
		2293
		2294	warn "leave emergency perl save\n";
		2295	}
1850		2296
1851	sub reload() {	2297	sub reload() {
1852	# can/must only be called in main	2298	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2299	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2300	warn "can only reload from main coroutine";
1855	return;	2301	return;
1856	}	2302	}
1857		2303
1858	warn "reloading...";	2304	warn "reloading...";
1859		2305
1860	local $FREEZE = 1;	2306	warn "cancelling server ticker";
		2307	$TICK_WATCHER->cancel;
		2308
1861	cf::emergency_save;	2309	cf::emergency_save;
1862		2310
1863	eval {	2311	eval {
1864	# if anything goes wrong in here, we should simply crash as we already saved	2312	# if anything goes wrong in here, we should simply crash as we already saved
1865		2313
1866	# cancel all watchers	2314	warn "syncing database to disk";
		2315	cf::db_sync;
		2316
		2317	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2318	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2319	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2320	}
1870		2321
		2322	warn "flushing outstanding aio requests";
		2323	for (;;) {
		2324	IO::AIO::flush;
		2325	Coro::cede;
		2326	last unless IO::AIO::nreqs;
		2327	warn "iterate...";
		2328	}
		2329
1871	# cancel all extension coros	2330	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2331	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2332	%EXT_CORO = ();
1874		2333
1875	# unload all extensions	2334	warn "removing commands";
1876	for (@exts) {	2335	%COMMAND = ();
		2336
		2337	warn "removing ext commands";
		2338	%EXTCMD = ();
		2339
		2340	warn "unloading/nuking all extensions";
		2341	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2342	warn "... unloading $pkg";
1878	unload_extension $_;	2343
		2344	if (my $cb = $pkg->can ("unload")) {
		2345	eval {
		2346	$cb->($pkg);
		2347	1
		2348	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2349	}
1880		2350
		2351	warn "... nuking $pkg";
		2352	Symbol::delete_package $pkg;
		2353	}
		2354
1881	# unload all modules loaded from $LIBDIR	2355	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2356	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2357	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2358
1885	warn "removing <$k>";	2359	warn "... unloading $k";
1886	delete $INC{$k};	2360	delete $INC{$k};
1887		2361
1888	$k =~ s/\.pm$//;	2362	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2363	$k =~ s/\//::/g;
1890		2364
…		…
1893	}	2367	}
1894		2368
1895	Symbol::delete_package $k;	2369	Symbol::delete_package $k;
1896	}	2370	}
1897		2371
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2372	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2373	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2374	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2375
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2376	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2377	delete $INC{"cf.pm"};
1911		2378
1912	# don't, removes xs symbols, too,	2379	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2380	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2381	#Symbol::delete_package __PACKAGE__;
1915		2382
1916	# reload cf.pm	2383	warn "unload completed, starting to reload now";
		2384
1917	warn "reloading cf.pm";	2385	warn "reloading cf.pm";
1918	require cf;	2386	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2387	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2388
1921	# load config and database again	2389	warn "loading config and database again";
1922	cf::cfg_load;	2390	cf::cfg_load;
1923	cf::db_load;	2391	cf::db_load;
1924		2392
1925	# load extensions
1926	warn "load extensions";	2393	warn "loading extensions";
1927	cf::load_extensions;	2394	cf::load_extensions;
1928		2395
1929	# reattach attachments to objects	2396	warn "reattaching attachments to objects/players";
1930	warn "reattach";
1931	_global_reattach;	2397	_global_reattach;
		2398	warn "reattaching attachments to maps";
		2399	reattach $_ for values %MAP;
		2400
		2401	warn "restarting server ticker";
		2402
		2403	$TICK_WATCHER->start;
1932	};	2404	};
1933		2405
1934	if ($@) {	2406	if ($@) {
1935	warn $@;	2407	warn $@;
1936	warn "error while reloading, exiting.";	2408	warn "error while reloading, exiting.";
1937	exit 1;	2409	exit 1;
1938	}	2410	}
1939		2411
1940	warn "reloaded successfully";	2412	warn "reloaded";
1941	};	2413	};
1942		2414
1943	#############################################################################	2415	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2416
1988	register_command "reload" => sub {	2417	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2418	my ($who, $arg) = @_;
1990		2419
1991	if ($who->flag (FLAG_WIZ)) {	2420	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2421	$who->message ("reloading server.");
		2422
		2423	# doing reload synchronously and two reloads happen back-to-back,
		2424	# coro crashes during coro_state_free->destroy here.
		2425
		2426	$RELOAD_WATCHER \|\|= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
1993	reload;	2427	reload;
1994	$who->message ("end of reload.");	2428	undef $RELOAD_WATCHER;
		2429	});
1995	}	2430	}
1996	};	2431	};
1997		2432
1998	unshift @INC, $LIBDIR;	2433	unshift @INC, $LIBDIR;
		2434
		2435	my $bug_warning = 0;
1999		2436
2000	$TICK_WATCHER = Event->timer (	2437	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2438	reentrant => 0,
		2439	parked => 1,
2002	prio => 0,	2440	prio => 0,
2003	at => $NEXT_TICK \|\| $TICK,	2441	at => $NEXT_TICK \|\| $TICK,
2004	data => WF_AUTOCANCEL,	2442	data => WF_AUTOCANCEL,
2005	cb => sub {	2443	cb => sub {
2006	unless ($FREEZE) {	2444	if ($Coro::current != $Coro::main) {
		2445	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2446	unless ++$bug_warning > 10;
		2447	return;
		2448	}
		2449
		2450	$NOW = Event::time;
		2451
2007	cf::server_tick; # one server iteration	2452	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2453	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2454	$NEXT_TICK += $TICK;
		2455
		2456	$WAIT_FOR_TICK->broadcast;
		2457	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2012		2458
2013	# if we are delayed by four ticks or more, skip them all	2459	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2460	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2461
2016	$TICK_WATCHER->at ($NEXT_TICK);	2462	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2018	},	2464	},
2019	);	2465	);
2020		2466
2021	IO::AIO::max_poll_time $TICK * 0.2;	2467	IO::AIO::max_poll_time $TICK * 0.2;
2022		2468
2023	Event->io (	2469	$AIO_POLL_WATCHER = Event->io (
2024	fd => IO::AIO::poll_fileno,	2470	fd => IO::AIO::poll_fileno,
2025	poll => 'r',	2471	poll => 'r',
2026	prio => 5,	2472	prio => 5,
2027	data => WF_AUTOCANCEL,	2473	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,	2474	cb => \&IO::AIO::poll_cb,
2029	);	2475	);
2030		2476
2031	Event->timer (	2477	$WRITE_RUNTIME_WATCHER = Event->timer (
2032	data => WF_AUTOCANCEL,	2478	data => WF_AUTOCANCEL,
2033	after => 0,	2479	after => 1,
2034	interval => 10,	2480	interval => 10,
2035	cb => sub {	2481	cb => Coro::unblock_sub {
2036	(Coro::unblock_sub {
2037	write_runtime	2482	write_runtime
2038	or warn "ERROR: unable to write runtime file: $!";	2483	or warn "ERROR: unable to write runtime file: $!";
2039	})->();
2040	},	2484	},
2041	);	2485	);
2042		2486
		2487	END { cf::emergency_save }
		2488
2043	1	2489	1
2044		2490

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs. Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC

Diff Legend

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC