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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.185 by root, Fri Jan 19 23:32:52 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
…		…
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 ($map->should_reset) {
		1344	# doing this can freeze the server in a sync job, obviously
		1345	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1346	$map->reset;
		1347	undef $guard;
1142	$map = find_map $path;	1348	$map = find $path
		1349	or return;
1143	}	1350	}
1144		1351
1145	$cf::MAP{$key} = $map	1352	$cf::MAP{$path} = $map
1146	}	1353	}
1147	}	1354	}
1148		1355
1149	sub load {	1356	sub load {
1150	my ($self) = @_;	1357	my ($self) = @_;
1151		1358
		1359	my $path = $self->{path};
		1360	my $guard = cf::lock_acquire "map_load:$path";
		1361
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1362	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1363
1154	$self->in_memory (cf::MAP_LOADING);	1364	$self->in_memory (cf::MAP_LOADING);
1155		1365
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1366	$self->alloc;
1159	$self->load_objects ($self->{load_path}, 1)	1367	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1368	or return;
1161		1369
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1371	if delete $self->{load_original};
1164		1372
1165	if (my $uniq = $path->uniq_path) {	1373	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1374	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1375	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1376	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1377	$self->_load_objects ($uniq, 0);
1170	}	1378	}
1171	}	1379	}
		1380
		1381	Coro::cede;
1172		1382
1173	# now do the right thing for maps	1383	# now do the right thing for maps
1174	$self->link_multipart_objects;	1384	$self->link_multipart_objects;
1175		1385
1176	if ($self->{path}->is_style_map) {	1386	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1387	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1388	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1389	$self->update_buttons;
		1390	Coro::cede;
1183	$self->set_darkness_map;	1391	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1392	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1393	unless $self->difficulty;
		1394	Coro::cede;
1186	$self->activate;	1395	$self->activate;
1187	}	1396	}
1188		1397
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1398	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1399	}
1191		1400
1192	sub load_map_sync {	1401	sub customise_for {
		1402	my ($self, $ob) = @_;
		1403
		1404	return find "~" . $ob->name . "/" . $self->{path}
		1405	if $self->per_player;
		1406
		1407	$self
		1408	}
		1409
		1410	# find and load all maps in the 3x3 area around a map
		1411	sub load_diag {
		1412	my ($map) = @_;
		1413
		1414	my @diag; # diagonal neighbours
		1415
		1416	for (0 .. 3) {
		1417	my $neigh = $map->tile_path ($_)
		1418	or next;
		1419	$neigh = find $neigh, $map
		1420	or next;
		1421	$neigh->load;
		1422
		1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1425	}
		1426
		1427	for (@diag) {
		1428	my $neigh = find @$_
		1429	or next;
		1430	$neigh->load;
		1431	}
		1432	}
		1433
		1434	sub find_sync {
1193	my ($path, $origin) = @_;	1435	my ($path, $origin) = @_;
1194		1436
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1437	cf::sync_job { find $path, $origin }
		1438	}
1196		1439
1197	cf::sync_job {	1440	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1441	my ($map) = @_;
1199	or return;	1442
		1443	cf::sync_job { $map->load };
		1444	}
		1445
		1446	our %MAP_PREFETCH;
		1447	our $MAP_PREFETCHER = undef;
		1448
		1449	sub find_async {
		1450	my ($path, $origin) = @_;
		1451
		1452	$path = normalise $path, $origin && $origin->{path};
		1453
		1454	if (my $map = $cf::MAP{$path}) {
		1455	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1456	}
		1457
		1458	undef $MAP_PREFETCH{$path};
		1459	$MAP_PREFETCHER \|\|= cf::async {
		1460	while (%MAP_PREFETCH) {
		1461	for my $path (keys %MAP_PREFETCH) {
		1462	my $map = find $path
		1463	or next;
1200	$map->load;	1464	$map->load;
1201	$map	1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
1202	}	1470	};
		1471
		1472	()
1203	}	1473	}
1204		1474
1205	sub save {	1475	sub save {
1206	my ($self) = @_;	1476	my ($self) = @_;
1207		1477
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1479
1211	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1212		1481
1213	return unless $self->dirty;	1482	return unless $self->dirty;
1214		1483
		1484	my $save = $self->save_path; utf8::encode $save;
		1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1486
1215	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1216		1488
1217	return if $self->{deny_save};	1489	return if $self->{deny_save};
1218		1490
		1491	local $self->{last_access} = $self->last_access;#d#
		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1219	if ($uniq) {	1497	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1500	} else {
1223	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1224	}	1502	}
1225	}	1503	}
1226		1504
1227	sub swap_out {	1505	sub swap_out {
1228	my ($self) = @_;	1506	my ($self) = @_;
		1507
		1508	# save first because save cedes
		1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1512
1230	return if $self->players;	1513	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1515	return if $self->{deny_save};
1233		1516
1234	$self->save;
1235	$self->clear;	1517	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1518	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1519	}
1238		1520
1239	sub reset_at {	1521	sub reset_at {
1240	my ($self) = @_;	1522	my ($self) = @_;
1241		1523
1242	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1245		1527
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout \|\| $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1530
1250	$time + $to	1531	$time + $to
1251	}	1532	}
1252		1533
1253	sub should_reset {	1534	sub should_reset {
1254	my ($self) = @_;	1535	my ($self) = @_;
1255		1536
1256	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1257	}	1538	}
1258		1539
1259	sub unlink_save {
1260	my ($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 rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	1540	sub reset {
1281	my ($self) = @_;	1541	my ($self) = @_;
1282		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1283	return if $self->players;	1545	return if $self->players;
1284	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1285		1547
1286	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1287		1549
1288	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1289		1554
1290	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1291		1556
1292	$self->unlink_save;	1557	$self->unlink_save;
1293	$self->destroy;	1558	$self->destroy;
1294	}	1559	}
1295		1560
1296	sub customise_for {	1561	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		1562
1299	if ($map->per_player) {	1563	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1564	my ($self) = @_;
1301	}
1302		1565
1303	$map	1566	delete $cf::MAP{$self->path};
1304	}
1305		1567
1306	sub emergency_save {	1568	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		1569
1309	warn "enter emergency map save\n";	1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
		1572	$self->{deny_save} = 1;
		1573	$self->reset_timeout (1);
		1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		1575
1311	cf::sync_job {	1576	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";	1577
1313	$_->save for values %cf::MAP;	1578	$self->reset; # polite request, might not happen
		1579	}
		1580
		1581	=item cf::map::unique_maps
		1582
		1583	Returns an arrayref of paths of all shared maps that have
		1584	instantiated unique items. May block.
		1585
		1586	=cut
		1587
		1588	sub unique_maps() {
		1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
		1591
		1592	my @paths;
		1593
		1594	for (@$files) {
		1595	utf8::decode $_;
		1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1314	};	1601	}
1315		1602
1316	warn "end emergency map save\n";	1603	\@paths
1317	}	1604	}
1318		1605
1319	package cf;	1606	package cf;
1320		1607
1321	=back	1608	=back
1322		1609
		1610	=head3 cf::object
		1611
		1612	=cut
		1613
		1614	package cf::object;
		1615
		1616	=over 4
		1617
		1618	=item $ob->inv_recursive
		1619
		1620	Returns the inventory of the object _and_ their inventories, recursively.
		1621
		1622	=cut
		1623
		1624	sub inv_recursive_;
		1625	sub inv_recursive_ {
		1626	map { $_, inv_recursive_ $_->inv } @_
		1627	}
		1628
		1629	sub inv_recursive {
		1630	inv_recursive_ inv $_[0]
		1631	}
		1632
		1633	package cf;
		1634
		1635	=back
1323		1636
1324	=head3 cf::object::player	1637	=head3 cf::object::player
1325		1638
1326	=over 4	1639	=over 4
1327		1640
…		…
1363	(ref $cf::CFG{"may_$access"}	1676	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1677	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	1678	: $cf::CFG{"may_$access"})
1366	}	1679	}
1367		1680
		1681	=item $player_object->enter_link
		1682
		1683	Freezes the player and moves him/her to a special map (C<{link}>).
		1684
		1685	The player should be reasonably safe there for short amounts of time. You
		1686	I<MUST> call C<leave_link> as soon as possible, though.
		1687
		1688	Will never block.
		1689
		1690	=item $player_object->leave_link ($map, $x, $y)
		1691
		1692	Moves the player out of the special C<{link}> map onto the specified
		1693	map. If the map is not valid (or omitted), the player will be moved back
		1694	to the location he/she was before the call to C<enter_link>, or, if that
		1695	fails, to the emergency map position.
		1696
		1697	Might block.
		1698
		1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($LINK_MAP) {
		1703	$LINK_MAP = cf::map::find "{link}"
		1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1705	$LINK_MAP->load;
		1706	}
		1707
		1708	$LINK_MAP
		1709	}
		1710
1368	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1369	my ($self) = @_;	1712	my ($self) = @_;
1370		1713
1371	return if $self->map == $LINK_MAP;	1714	$self->deactivate_recursive;
1372		1715
		1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1717
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;	1719	if $self->map;
1375		1720
1376	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1377	$self->deactivate_recursive;
1378	}	1722	}
1379		1723
1380	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1382		1726
1383	my $link_pos = delete $self->{_link_pos};	1727	my $link_pos = delete $self->{_link_pos};
1384		1728
1385	unless ($map) {	1729	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1387
1388	# restore original map position	1730	# restore original map position
1389	($map, $x, $y) = @{ $link_pos \|\| [] };	1731	($map, $x, $y) = @{ $link_pos \|\| [] };
1390	$map = cf::map::find_map $map;	1732	$map = cf::map::find $map;
1391		1733
1392	unless ($map) {	1734	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	1735	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	1736	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	1737	or die "FATAL: cannot load emergency map\n";
1396	}	1738	}
1397	}	1739	}
1398		1740
1399	($x, $y) = (-1, -1)	1741	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1405		1747
1406	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1407		1750
		1751	return unless $self->contr->active;
1408	$self->activate_recursive;	1752	$self->activate_recursive;
1409	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1410	}	1754	}
1411		1755
		1756	cf::player->attach (
		1757	on_logout => sub {
		1758	my ($pl) = @_;
		1759
		1760	# abort map switching before logout
		1761	if ($pl->ob->{_link_pos}) {
		1762	cf::sync_job {
		1763	$pl->ob->leave_link
		1764	};
		1765	}
		1766	},
		1767	on_login => sub {
		1768	my ($pl) = @_;
		1769
		1770	# try to abort aborted map switching on player login :)
		1771	# should happen only on crashes
		1772	if ($pl->ob->{_link_pos}) {
		1773	$pl->ob->enter_link;
		1774	(async {
		1775	# we need this sleep as the login has a concurrent enter_exit running
		1776	# and this sleep increases chances of the player not ending up in scorn
		1777	$pl->ob->reply (undef,
		1778	"There was an internal problem at your last logout, "
		1779	. "the server will try to bring you to your intended destination in a second.",
		1780	cf::NDI_RED);
		1781	Coro::Timer::sleep 1;
		1782	$pl->ob->leave_link;
		1783	})->prio (2);
		1784	}
		1785	},
		1786	);
		1787
1412	=item $player_object->goto_map ($map, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1413		1789
1414	=cut	1790	=cut
1415		1791
1416	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1418		1794
1419	$self->enter_link;	1795	$self->enter_link;
1420		1796
1421	(Coro::async {	1797	(async {
1422	$path = new cf::path $path;
1423
1424	my $map = cf::map::find_map $path->as_string;	1798	my $map = cf::map::find $path;
1425	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1426		1800
1427	warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	1802	# if $map;
		1803
		1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1429		1805
1430	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1431	})->prio (1);	1807	})->prio (1);
1432	}	1808	}
1433		1809
…		…
1437		1813
1438	sub parse_random_map_params {	1814	sub parse_random_map_params {
1439	my ($spec) = @_;	1815	my ($spec) = @_;
1440		1816
1441	my $rmp = { # defaults	1817	my $rmp = { # defaults
1442	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1444	};	1822	};
1445		1823
1446	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1448		1826
…		…
1452	$rmp	1830	$rmp
1453	}	1831	}
1454		1832
1455	sub prepare_random_map {	1833	sub prepare_random_map {
1456	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		1837
1458	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	1840	# that depends on the exit object
1461		1841
…		…
1470		1850
1471	$rmp->{random_seed} \|\|= $exit->random_seed;	1851	$rmp->{random_seed} \|\|= $exit->random_seed;
1472		1852
1473	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1475		1856
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY \| O_CREAT, 0666) {	1857	if (my $fh = aio_open "$meta~", O_WRONLY \| O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	1858	aio_write $fh, 0, (length $data), $data, 0;
		1859	undef $fh;
		1860	aio_rename "$meta~", $meta;
1478		1861
1479	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	1863	$exit->msg (undef);
1481	}	1864	}
1482	}	1865	}
…		…
1486		1869
1487	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1488		1871
1489	$self->enter_link;	1872	$self->enter_link;
1490		1873
1491	(Coro::async {	1874	(async {
		1875	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	1876	unless (eval {
1493
1494	prepare_random_map $exit	1877	prepare_random_map $exit
1495	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1496		1879
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1880	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1499		1882
1500	1;	1883	1;
1501	}) {	1884	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	1886	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE \| cf::NDI_RED);	1888	cf::NDI_UNIQUE \| cf::NDI_RED);
1506		1889
1507	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	1891	$self->leave_link;
1509	}	1892	}
…		…
1560	on_reply => sub {	1943	on_reply => sub {
1561	my ($ns, $msg) = @_;	1944	my ($ns, $msg) = @_;
1562		1945
1563	# this weird shuffling is so that direct followup queries	1946	# this weird shuffling is so that direct followup queries
1564	# get handled first	1947	# get handled first
1565	my $queue = delete $ns->{query_queue};	1948	my $queue = delete $ns->{query_queue}
		1949	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		1950
1567	(shift @$queue)->[1]->($msg);	1951	(shift @$queue)->[1]->($msg);
1568		1952
1569	push @{ $ns->{query_queue} }, @$queue;	1953	push @{ $ns->{query_queue} }, @$queue;
1570		1954
…		…
1576	}	1960	}
1577	}	1961	}
1578	},	1962	},
1579	);	1963	);
1580		1964
1581	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1582		1966
1583	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	1969	or loss of connection).
1586		1970
1587	=cut	1971	=cut
1588		1972
1589	sub cf::client::coro {	1973	sub cf::client::async {
1590	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1591		1975
1592	my $coro; $coro = async {	1976	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		1977
1599	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1601	});	1980	});
1602		1981
…		…
1774		2153
1775	{	2154	{
1776	my $path = cf::localdir . "/database.pst";	2155	my $path = cf::localdir . "/database.pst";
1777		2156
1778	sub db_load() {	2157	sub db_load() {
1779	warn "loading database $path\n";#d# remove later
1780	$DB = stat $path ? Storable::retrieve $path : { };	2158	$DB = stat $path ? Storable::retrieve $path : { };
1781	}	2159	}
1782		2160
1783	my $pid;	2161	my $pid;
1784		2162
1785	sub db_save() {	2163	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;	2164	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {	2165	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;	2166	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";	2167	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;	2168	rename "$path~", $path;
…		…
1798	sub db_sync() {	2175	sub db_sync() {
1799	db_save if $dirty;	2176	db_save if $dirty;
1800	undef $dirty;	2177	undef $dirty;
1801	}	2178	}
1802		2179
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2180	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;	2181	db_sync;
1805	});	2182	});
1806		2183
1807	sub db_dirty() {	2184	sub db_dirty() {
1808	$dirty = 1;	2185	$dirty = 1;
…		…
1839	open my $fh, "<:utf8", cf::confdir . "/config"	2216	open my $fh, "<:utf8", cf::confdir . "/config"
1840	or return;	2217	or return;
1841		2218
1842	local $/;	2219	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	2220	*CFG = YAML::Syck::Load <$fh>;
		2221
		2222	$EMERGENCY_POSITION = $CFG{emergency_position} \|\| ["/world/world_105_115", 5, 37];
		2223
		2224	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2225	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2226
		2227	if (exists $CFG{mlockall}) {
		2228	eval {
		2229	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2230	and die "WARNING: m(un)lockall failed: $!\n";
		2231	};
		2232	warn $@ if $@;
		2233	}
1844	}	2234	}
1845		2235
1846	sub main {	2236	sub main {
1847	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	2240	(async {
1851	Event::one_event;	2241	Event::one_event;
1852	})->();	2242	})->prio (Coro::PRIO_MAX);
1853	};	2243	};
1854		2244
1855	cfg_load;	2245	cfg_load;
1856	db_load;	2246	db_load;
1857	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
1858	Event::loop;	2250	Event::loop;
1859	}	2251	}
1860		2252
1861	#############################################################################	2253	#############################################################################
1862	# initialisation	2254	# initialisation and cleanup
		2255
		2256	# install some emergency cleanup handlers
		2257	BEGIN {
		2258	for my $signal (qw(INT HUP TERM)) {
		2259	Event->signal (
		2260	data => WF_AUTOCANCEL,
		2261	signal => $signal,
		2262	cb => sub {
		2263	cf::cleanup "SIG$signal";
		2264	},
		2265	);
		2266	}
		2267	}
		2268
		2269	sub emergency_save() {
		2270	my $freeze_guard = cf::freeze_mainloop;
		2271
		2272	warn "enter emergency perl save\n";
		2273
		2274	cf::sync_job {
		2275	# use a peculiar iteration method to avoid tripping on perl
		2276	# refcount bugs in for. also avoids problems with players
		2277	# and maps saved/destroyed asynchronously.
		2278	warn "begin emergency player save\n";
		2279	for my $login (keys %cf::PLAYER) {
		2280	my $pl = $cf::PLAYER{$login} or next;
		2281	$pl->valid or next;
		2282	$pl->save;
		2283	}
		2284	warn "end emergency player save\n";
		2285
		2286	warn "begin emergency map save\n";
		2287	for my $path (keys %cf::MAP) {
		2288	my $map = $cf::MAP{$path} or next;
		2289	$map->valid or next;
		2290	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
1863		2297
1864	sub reload() {	2298	sub reload() {
1865	# can/must only be called in main	2299	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
1868	return;	2302	return;
1869	}	2303	}
1870		2304
1871	warn "reloading...";	2305	warn "reloading...";
1872		2306
1873	local $FREEZE = 1;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
1874	cf::emergency_save;	2310	cf::emergency_save;
1875		2311
1876	eval {	2312	eval {
1877	# if anything goes wrong in here, we should simply crash as we already saved	2313	# if anything goes wrong in here, we should simply crash as we already saved
1878		2314
1879	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	2321	}
1883		2322
		2323	warn "flushing outstanding aio requests";
		2324	for (;;) {
		2325	IO::AIO::flush;
		2326	Coro::cede;
		2327	last unless IO::AIO::nreqs;
		2328	warn "iterate...";
		2329	}
		2330
1884	# cancel all extension coros	2331	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	2333	%EXT_CORO = ();
1887		2334
1888	# unload all extensions	2335	warn "removing commands";
1889	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	2343	warn "... unloading $pkg";
1891	unload_extension $_;	2344
		2345	if (my $cb = $pkg->can ("unload")) {
		2346	eval {
		2347	$cb->($pkg);
		2348	1
		2349	} or warn "$pkg unloaded, but with errors: $@";
1892	}	2350	}
1893		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
1894	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		2359
1898	warn "removing <$k>";	2360	warn "... unloading $k";
1899	delete $INC{$k};	2361	delete $INC{$k};
1900		2362
1901	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
1903		2365
…		…
1906	}	2368	}
1907		2369
1908	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
1909	}	2371	}
1910		2372
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		2376
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
1924		2379
1925	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
1926	# and global variables created in xs	2381	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
1928		2383
1929	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
1930	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
1931	require cf;	2387	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		2389
1934	# load config and database again	2390	warn "loading config and database again";
1935	cf::cfg_load;	2391	cf::cfg_load;
1936	cf::db_load;	2392	cf::db_load;
1937		2393
1938	# load extensions
1939	warn "load extensions";	2394	warn "loading extensions";
1940	cf::load_extensions;	2395	cf::load_extensions;
1941		2396
1942	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
1943	warn "reattach";
1944	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
1945	};	2405	};
1946		2406
1947	if ($@) {	2407	if ($@) {
1948	warn $@;	2408	warn $@;
1949	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
1950	exit 1;	2410	exit 1;
1951	}	2411	}
1952		2412
1953	warn "reloaded successfully";	2413	warn "reloaded";
1954	};	2414	};
1955		2415
1956	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
1957
1958	unless ($LINK_MAP) {
1959	$LINK_MAP = cf::map::new;
1960
1961	$LINK_MAP->width (41);
1962	$LINK_MAP->height (41);
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,
1971	cb => sub {
1972	$_[0]->w->cancel;
1973
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});
1992
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}
1998
1999	register "<global>", __PACKAGE__;
2000		2417
2001	register_command "reload" => sub {	2418	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	2419	my ($who, $arg) = @_;
2003		2420
2004	if ($who->flag (FLAG_WIZ)) {	2421	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");	2422	$who->message ("reloading server.");
		2423
		2424	# doing reload synchronously and two reloads happen back-to-back,
		2425	# coro crashes during coro_state_free->destroy here.
		2426
		2427	$RELOAD_WATCHER \|\|= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2006	reload;	2428	reload;
2007	$who->message ("end of reload.");	2429	undef $RELOAD_WATCHER;
		2430	});
2008	}	2431	}
2009	};	2432	};
2010		2433
2011	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
2012		2437
2013	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
2015	prio => 0,	2441	prio => 0,
2016	at => $NEXT_TICK \|\| $TICK,	2442	at => $NEXT_TICK \|\| $TICK,
2017	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
2018	cb => sub {	2444	cb => sub {
2019	unless ($FREEZE) {	2445	if ($Coro::current != $Coro::main) {
		2446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2447	unless ++$bug_warning > 10;
		2448	return;
		2449	}
		2450
		2451	$NOW = Event::time;
		2452
2020	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
2022	}
2023
2024	$NEXT_TICK += $TICK;	2455	$NEXT_TICK += $TICK;
		2456
		2457	$WAIT_FOR_TICK->broadcast;
		2458	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2025		2459
2026	# if we are delayed by four ticks or more, skip them all	2460	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2028		2462
2029	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2031	},	2465	},
2032	);	2466	);
2033		2467
2034	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2035		2469
2036	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2037	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2038	poll => 'r',	2472	poll => 'r',
2039	prio => 5,	2473	prio => 5,
2040	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2042	);	2476	);
2043		2477
2044	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2045	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2046	after => 0,	2480	after => 1,
2047	interval => 10,	2481	interval => 10,
2048	cb => sub {	2482	cb => Coro::unblock_sub {
2049	(Coro::unblock_sub {
2050	write_runtime	2483	write_runtime
2051	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2052	})->();
2053	},	2485	},
2054	);	2486	);
2055		2487
		2488	END { cf::emergency_save }
		2489
2056	1	2490	1
2057		2491

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs. Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC