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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.183 by root, Fri Jan 19 19:42:37 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 $json
165		198
…		…
181	sub to_json($) {	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	}
185		218
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	219	=item cf::lock_wait $string
209		220
210	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
211		222
212	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
213		224
214	Wait until the given lock is available and then acquires it and returns	225	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
217	returned.	228	returned.
218		229
219	Lock names should begin with a unique identifier (for example, find_map	230	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	231	uses map_find and cf::map::load uses map_load).
221		232
222	=cut	233	=cut
223		234
224	our %LOCK;	235	our %LOCK;
225		236
…		…
239	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
240	lock_wait $key;	251	lock_wait $key;
241		252
242	$LOCK{$key} = [];	253	$LOCK{$key} = [];
243		254
244	cf::guard {	255	Coro::guard {
245	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
247	}	258	}
248	}	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	$guard
		271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
249		282
250	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
251		284
252	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
269		302
270	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	304	# (but this is cancel-safe)
272	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
273		306
274	my $busy = 1;	307	my $busy = 1;
275	my @res;	308	my @res;
276		309
277	(Coro::async {	310	(async {
278	@res = eval { $job->() };	311	@res = eval { $job->() };
279	warn $@ if $@;	312	warn $@ if $@;
280	undef $busy;	313	undef $busy;
281	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
282		315
283	while ($busy) {	316	while ($busy) {
284	Coro::cede_notself;	317	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	318	}
287		319
288	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
289	} else {	321	} else {
290	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
291		323
292	$job->()	324	$job->()
293	}	325	}
294	}	326	}
295		327
296	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
297		329
298	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
300		332
301	=cut	333	=cut
302		334
303	sub coro(&) {	335	sub async_ext(&) {
304	my $cb = shift;	336	my $cb = shift;
305		337
306	my $coro; $coro = async {	338	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		339
313	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
315	});	342	});
316	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
341	}	368	}
342		369
343	=back	370	=back
344		371
345	=cut	372	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} \|\| $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		373
467	#############################################################################	374	#############################################################################
468		375
469	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
470		377
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	504	our @CB_MAP = ();
598		505
599	my %attachment;	506	my %attachment;
600		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
601	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
603		516
604	use sort 'stable';	517	use sort 'stable';
605		518
…		…
776	# object support	689	# object support
777		690
778	sub reattach {	691	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		696
782	my $registry = $obj->registry;	697	my $registry = $obj->registry;
783		698
784	@$registry = ();	699	@$registry = ();
785		700
…		…
917	=cut	832	=cut
918		833
919	sub register_extcmd {	834	sub register_extcmd {
920	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
921		836
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
926	}	838	}
927		839
928	cf::player->attach (	840	cf::player->attach (
929	on_command => sub {	841	on_command => sub {
930	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
943		855
944	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
945		857
946	if (ref $msg) {	858	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	862	}
951	}	863	}
952	} else {	864	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		867
956	cf::override;	868	cf::override;
957	},	869	},
958	);	870	);
959		871
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	872	sub load_extension {
967	my ($path) = @_;	873	my ($path) = @_;
968		874
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	876	my $base = $1;
971	my $pkg = $1;	877	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
974		880
975	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
976		882
977	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
978	or die "$path: $!";	884	or die "$path: $!";
979		885
980	my $source =	886	my $source =
981	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
984	. "\n};\n1";	890	. "\n};\n1";
985		891
986	eval $source	892	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	894	: "extension disabled.\n";
989		895	if ($source =~ /^#!.perl.#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	896	warn $@;
991	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
992		898	exit 1;
993	# no strict 'refs';	899	}
994	# @{"$pkg\::ISA"} = ext::;	900	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	901	}
1009		902
1010	# remove commands	903	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	904	}
1035		905
1036	sub load_extensions {	906	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	908	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1043	}	913	}
1044	}	914	}
1045		915
1046	#############################################################################	916	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		917
1084	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1085		919
1086	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1087		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1088	=head3 cf::player	928	=head3 cf::player
1089		929
1090	=over 4	930	=over 4
1091		931
1092	=item cf::player::exists $login	932	=item cf::player::find $login
1093		933
1094	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1095		935
1096	=cut	936	=cut
1097		937
1098	sub cf::player::exists($) {	938	sub playerdir($) {
1099	cf::player::find $_[0]	939	cf::localdir
1100	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
1101	}	1085	}
1102		1086
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1088
1105	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1106		1090
1107	=cut	1091	=cut
1108		1092
1109	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1111		1095
1112	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1113		1097
1114	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1115	}	1099	}
		1100
		1101	package cf;
1116		1102
1117	=back	1103	=back
1118		1104
1119		1105
1120	=head3 cf::map	1106	=head3 cf::map
…		…
1126	package cf::map;	1112	package cf::map;
1127		1113
1128	use Fcntl;	1114	use Fcntl;
1129	use Coro::AIO;	1115	use Coro::AIO;
1130		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1131	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1133		1123
1134	sub generate_random_map {	1124	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1127	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(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
1151	}	1257	}
1152		1258
1153	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1154	# all maps in C++...	1260	# all maps in C++...
1155	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1157		1263
1158	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1159	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1160	}	1266	}
1161		1267
		1268	sub unlink_save {
		1269	my ($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
1162	sub try_load_header($) {	1276	sub load_header_from($) {
1163	my ($path) = @_;	1277	my ($self, $path) = @_;
1164		1278
1165	utf8::encode $path;	1279	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1167	or return;	1281	or return;
1168		1282
1169	my $map = cf::map::new	1283	$self->_load_header ($path)
1170	or return;	1284	or return;
1171		1285
1172	$map->load_header ($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
1173	or return;	1314	or return;
1174		1315
1175	$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	}
1176		1321
1177	$map	1322	1
1178	}	1323	}
1179		1324
		1325	sub find;
1180	sub find_map {	1326	sub find {
1181	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1182		1328
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1330
1188	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1189		1332
1190	$cf::MAP{$key} \|\| do {	1333	$cf::MAP{$path} \|\| do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1192		1335	my $map = new_from_path cf::map $path
1193	# do it the slow way
1194	my $map = try_load_header $path->save_path;
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1336	or return;
1208		1337
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1221		1342
1222	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1223	$map->reset;	1345	$map->reset;
		1346	undef $guard;
1224	$map = find_map $path;	1347	$map = find $path
		1348	or return;
1225	}	1349	}
1226		1350
1227	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1228	}	1352	}
1229	}	1353	}
1230		1354
1231	sub load {	1355	sub load {
1232	my ($self) = @_;	1356	my ($self) = @_;
1233		1357
1234	my $path = $self->{path};	1358	my $path = $self->{path};
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1236		1360
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1362
1239	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1240		1364
1241	$self->alloc;	1365	$self->alloc;
1242	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1367	or return;
1244		1368
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1370	if delete $self->{load_original};
1247		1371
1248	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1373	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1375	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1253	}	1377	}
1254	}	1378	}
		1379
		1380	Coro::cede;
1255		1381
1256	# now do the right thing for maps	1382	# now do the right thing for maps
1257	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1258		1384
1259	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1260	$self->{deny_save} = 1;	1386	$self->decay_objects;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1266	$self->set_darkness_map;	1390	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1268	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1269	$self->activate;	1394	$self->activate;
1270	}	1395	}
1271		1396
1272	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1273	}	1398	}
1274		1399
1275	sub load_map_sync {	1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1276	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1277		1435
1278	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1279		1438
1280	cf::sync_job {	1439	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
1282	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	warn "prefetching $path...\n";#d#
		1462	my $map = find $path
		1463	or next;
1283	$map->load;	1464	$map->load;
1284	$map	1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
1285	}	1470	};
		1471
		1472	()
1286	}	1473	}
1287		1474
1288	sub save {	1475	sub save {
1289	my ($self) = @_;	1476	my ($self) = @_;
1290		1477
		1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1479
1291	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1292		1481
1293	return unless $self->dirty;	1482	return unless $self->dirty;
1294		1483
1295	my $save = $self->{path}->save_path; utf8::encode $save;	1484	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		1486
1298	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1299		1488
1300	return if $self->{deny_save};	1489	return if $self->{deny_save};
1301		1490
		1491	local $self->{last_access} = $self->last_access;#d#
		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1302	if ($uniq) {	1497	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	1500	} else {
1306	$self->save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER \| cf::IO_OBJECTS \| cf::IO_UNIQUES);
1307	}	1502	}
1308	}	1503	}
1309		1504
1310	sub swap_out {	1505	sub swap_out {
1311	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;
1312		1512
1313	return if $self->players;	1513	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1315	return if $self->{deny_save};	1515	return if $self->{deny_save};
1316		1516
1317	$self->save;
1318	$self->clear;	1517	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);	1518	$self->in_memory (cf::MAP_SWAPPED);
1320	}	1519	}
1321		1520
1322	sub reset_at {	1521	sub reset_at {
1323	my ($self) = @_;	1522	my ($self) = @_;
1324		1523
1325	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1327	return 1e99 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1328		1527
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout \|\| $DEFAULT_RESET;
1331		1530
…		…
1336	my ($self) = @_;	1535	my ($self) = @_;
1337		1536
1338	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1339	}	1538	}
1340		1539
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	1540	sub reset {
1363	my ($self) = @_;	1541	my ($self) = @_;
1364		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1365	return if $self->players;	1545	return if $self->players;
1366	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1367		1547
1368	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1369		1549
1370	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1371		1554
1372	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1373		1556
1374	$self->unlink_save;	1557	$self->unlink_save;
1375	$self->destroy;	1558	$self->destroy;
…		…
1378	my $nuke_counter = "aaaa";	1561	my $nuke_counter = "aaaa";
1379		1562
1380	sub nuke {	1563	sub nuke {
1381	my ($self) = @_;	1564	my ($self) = @_;
1382		1565
		1566	delete $cf::MAP{$self->path};
		1567
		1568	$self->unlink_save;
		1569
		1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
1383	$self->{deny_save} = 1;	1572	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	1573	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1575
		1576	$cf::MAP{$self->path} = $self;
		1577
1386	$self->reset; # polite request, might not happen	1578	$self->reset; # polite request, might not happen
1387	}	1579	}
1388		1580
1389	sub customise_for {	1581	=item cf::map::unique_maps
1390	my ($map, $ob) = @_;
1391		1582
1392	if ($map->per_player) {	1583	Returns an arrayref of paths of all shared maps that have
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1584	instantiated unique items. May block.
1394	}
1395		1585
1396	$map	1586	=cut
1397	}
1398		1587
1399	sub emergency_save {	1588	sub unique_maps() {
1400	local $cf::FREEZE = 1;	1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
1401		1591
1402	warn "enter emergency map save\n";	1592	my @paths;
1403		1593
1404	cf::sync_job {	1594	for (@$files) {
1405	warn "begin emergency map save\n";	1595	utf8::decode $_;
1406	$_->save for values %cf::MAP;	1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1407	};	1601	}
1408		1602
1409	warn "end emergency map save\n";	1603	\@paths
1410	}	1604	}
1411		1605
1412	package cf;	1606	package cf;
1413		1607
1414	=back	1608	=back
1415		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
1416		1636
1417	=head3 cf::object::player	1637	=head3 cf::object::player
1418		1638
1419	=over 4	1639	=over 4
1420		1640
…		…
1460		1680
1461	=item $player_object->enter_link	1681	=item $player_object->enter_link
1462		1682
1463	Freezes the player and moves him/her to a special map (C<{link}>).	1683	Freezes the player and moves him/her to a special map (C<{link}>).
1464		1684
1465	The player should be reaosnably safe there for short amounts of time. You	1685	The player should be reasonably safe there for short amounts of time. You
1466	I<MUST> call C<leave_link> as soon as possible, though.	1686	I<MUST> call C<leave_link> as soon as possible, though.
1467		1687
		1688	Will never block.
		1689
1468	=item $player_object->leave_link ($map, $x, $y)	1690	=item $player_object->leave_link ($map, $x, $y)
1469		1691
1470	Moves the player out of the specila link map onto the given map. If the	1692	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	1693	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	1694	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	1695	fails, to the emergency map position.
1474		1696
1475	Might block.	1697	Might block.
1476		1698
1477	=cut	1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($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	$LINK_MAP
		1709	}
1478		1710
1479	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1480	my ($self) = @_;	1712	my ($self) = @_;
1481		1713
1482	$self->deactivate_recursive;	1714	$self->deactivate_recursive;
1483		1715
1484	return if $self->map == $LINK_MAP;	1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		1717
1486	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} \|\|= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	1719	if $self->map;
1488		1720
1489	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP \|\| link_map, 20, 20);
1490	}	1722	}
1491		1723
1492	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1494		1726
1495	my $link_pos = delete $self->{_link_pos};	1727	my $link_pos = delete $self->{_link_pos};
1496		1728
1497	unless ($map) {	1729	unless ($map) {
1498	# restore original map position	1730	# restore original map position
1499	($map, $x, $y) = @{ $link_pos \|\| [] };	1731	($map, $x, $y) = @{ $link_pos \|\| [] };
1500	$map = cf::map::find_map $map;	1732	$map = cf::map::find $map;
1501		1733
1502	unless ($map) {	1734	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	1735	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	1736	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	1737	or die "FATAL: cannot load emergency map\n";
1506	}	1738	}
1507	}	1739	}
1508		1740
1509	($x, $y) = (-1, -1)	1741	($x, $y) = (-1, -1)
…		…
1512	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1515		1747
1516	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1517		1750
		1751	return unless $self->contr->active;
1518	$self->activate_recursive;	1752	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1520	}	1754	}
1521		1755
1522	cf::player->attach (	1756	cf::player->attach (
…		…
1535		1769
1536	# try to abort aborted map switching on player login :)	1770	# try to abort aborted map switching on player login :)
1537	# should happen only on crashes	1771	# should happen only on crashes
1538	if ($pl->ob->{_link_pos}) {	1772	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;	1773	$pl->ob->enter_link;
1540	Coro::async {	1774	(async {
1541	# we need this sleep as the login has a concurrent enter_exit running	1775	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn	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);
1543	Coro::Timer::sleep 1;	1781	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;	1782	$pl->ob->leave_link;
1545	};	1783	})->prio (2);
1546	}	1784	}
1547	},	1785	},
1548	);	1786	);
1549		1787
1550	=item $player_object->goto_map ($path, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1551		1789
1552	=cut	1790	=cut
1553		1791
1554	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1555	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1556		1794
1557	$self->enter_link;	1795	$self->enter_link;
1558		1796
1559	(Coro::async {	1797	(async {
1560	$path = new cf::path $path;
1561
1562	my $map = cf::map::find_map $path->as_string;	1798	my $map = cf::map::find $path;
1563	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1564		1800
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1566	# if $map;	1802	# if $map;
1567		1803
1568	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE \| cf::NDI_RED);	1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE \| cf::NDI_RED);
1569		1805
1570	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1571	})->prio (1);	1807	})->prio (1);
1572	}	1808	}
1573		1809
…		…
1577		1813
1578	sub parse_random_map_params {	1814	sub parse_random_map_params {
1579	my ($spec) = @_;	1815	my ($spec) = @_;
1580		1816
1581	my $rmp = { # defaults	1817	my $rmp = { # defaults
1582	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1584	};	1822	};
1585		1823
1586	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1588		1826
…		…
1592	$rmp	1830	$rmp
1593	}	1831	}
1594		1832
1595	sub prepare_random_map {	1833	sub prepare_random_map {
1596	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1597		1837
1598	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1599	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1600	# that depends on the exit object	1840	# that depends on the exit object
1601		1841
…		…
1610		1850
1611	$rmp->{random_seed} \|\|= $exit->random_seed;	1851	$rmp->{random_seed} \|\|= $exit->random_seed;
1612		1852
1613	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1614	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1615		1856
1616	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) {
1617	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;
1618		1861
1619	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	1863	$exit->msg (undef);
1621	}	1864	}
1622	}	1865	}
…		…
1626		1869
1627	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1628		1871
1629	$self->enter_link;	1872	$self->enter_link;
1630		1873
1631	(Coro::async {	1874	(async {
		1875	$self->deactivate_recursive; # just to be sure
1632	unless (eval {	1876	unless (eval {
1633
1634	prepare_random_map $exit	1877	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1636		1879
1637	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;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639		1882
1640	1;	1883	1;
1641	}) {	1884	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1643	. "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. "
1644	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE \| cf::NDI_RED);	1888	cf::NDI_UNIQUE \| cf::NDI_RED);
1646		1889
1647	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	1891	$self->leave_link;
1649	}	1892	}
…		…
1700	on_reply => sub {	1943	on_reply => sub {
1701	my ($ns, $msg) = @_;	1944	my ($ns, $msg) = @_;
1702		1945
1703	# this weird shuffling is so that direct followup queries	1946	# this weird shuffling is so that direct followup queries
1704	# get handled first	1947	# get handled first
1705	my $queue = delete $ns->{query_queue};	1948	my $queue = delete $ns->{query_queue}
		1949	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		1950
1707	(shift @$queue)->[1]->($msg);	1951	(shift @$queue)->[1]->($msg);
1708		1952
1709	push @{ $ns->{query_queue} }, @$queue;	1953	push @{ $ns->{query_queue} }, @$queue;
1710		1954
…		…
1716	}	1960	}
1717	}	1961	}
1718	},	1962	},
1719	);	1963	);
1720		1964
1721	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1722		1966
1723	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	1969	or loss of connection).
1726		1970
1727	=cut	1971	=cut
1728		1972
1729	sub cf::client::coro {	1973	sub cf::client::async {
1730	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1731		1975
1732	my $coro; $coro = async {	1976	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		1977
1739	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1741	});	1980	});
1742		1981
…		…
1936	sub db_sync() {	2175	sub db_sync() {
1937	db_save if $dirty;	2176	db_save if $dirty;
1938	undef $dirty;	2177	undef $dirty;
1939	}	2178	}
1940		2179
1941	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 {
1942	db_sync;	2181	db_sync;
1943	});	2182	});
1944		2183
1945	sub db_dirty() {	2184	sub db_dirty() {
1946	$dirty = 1;	2185	$dirty = 1;
…		…
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2216	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2217	or return;
1979		2218
1980	local $/;	2219	local $/;
1981	*CFG = YAML::Syck::Load <$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	}
1982	}	2234	}
1983		2235
1984	sub main {	2236	sub main {
1985	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
1986	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
1987	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2239	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1988	(Coro::unblock_sub {	2240	(async {
1989	Event::one_event;	2241	Event::one_event;
1990	})->();	2242	})->prio (Coro::PRIO_MAX);
1991	};	2243	};
1992		2244
1993	cfg_load;	2245	cfg_load;
1994	db_load;	2246	db_load;
1995	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
1996	Event::loop;	2250	Event::loop;
1997	}	2251	}
1998		2252
1999	#############################################################################	2253	#############################################################################
2000	# 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	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
2001		2297
2002	sub reload() {	2298	sub reload() {
2003	# can/must only be called in main	2299	# can/must only be called in main
2004	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
2005	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
2006	return;	2302	return;
2007	}	2303	}
2008		2304
2009	warn "reloading...";	2305	warn "reloading...";
2010		2306
2011	local $FREEZE = 1;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
2012	cf::emergency_save;	2310	cf::emergency_save;
2013		2311
2014	eval {	2312	eval {
2015	# 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
2016		2314
2017	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
2018	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
2019	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2020	}	2321	}
2021		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
2022	# cancel all extension coros	2331	warn "cancelling all extension coros";
2023	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
2024	%EXT_CORO = ();	2333	%EXT_CORO = ();
2025		2334
2026	# unload all extensions	2335	warn "removing commands";
2027	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
2028	warn "unloading <$_>";	2343	warn "... unloading $pkg";
2029	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: $@";
2030	}	2350	}
2031		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
2032	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
2033	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
2034	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2035		2359
2036	warn "removing <$k>";	2360	warn "... unloading $k";
2037	delete $INC{$k};	2361	delete $INC{$k};
2038		2362
2039	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
2040	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
2041		2365
…		…
2044	}	2368	}
2045		2369
2046	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
2047	}	2371	}
2048		2372
2049	# sync database to disk
2050	cf::db_sync;
2051	IO::AIO::flush;
2052
2053	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
2054	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
2055	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);
2056		2376
2057	# remove register_script_function callbacks
2058	# TODO
2059
2060	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
2061	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
2062		2379
2063	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
2064	# and global variables created in xs	2381	# and global variables created in xs
2065	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
2066		2383
2067	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
2068	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
2069	require cf;	2387	require cf;
2070	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2071		2389
2072	# load config and database again	2390	warn "loading config and database again";
2073	cf::cfg_load;	2391	cf::cfg_load;
2074	cf::db_load;	2392	cf::db_load;
2075		2393
2076	# load extensions
2077	warn "load extensions";	2394	warn "loading extensions";
2078	cf::load_extensions;	2395	cf::load_extensions;
2079		2396
2080	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
2081	warn "reattach";
2082	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
2083	};	2405	};
2084		2406
2085	if ($@) {	2407	if ($@) {
2086	warn $@;	2408	warn $@;
2087	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
2088	exit 1;	2410	exit 1;
2089	}	2411	}
2090		2412
2091	warn "reloaded successfully";	2413	warn "reloaded";
2092	};	2414	};
2093		2415
2094	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
2095
2096	unless ($LINK_MAP) {
2097	$LINK_MAP = cf::map::new;
2098
2099	$LINK_MAP->width (41);
2100	$LINK_MAP->height (41);
2101	$LINK_MAP->alloc;
2102	$LINK_MAP->path ("{link}");
2103	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2104	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2105
2106	# dirty hack because... archetypes are not yet loaded
2107	Event->timer (
2108	after => 2,
2109	cb => sub {
2110	$_[0]->w->cancel;
2111
2112	# provide some exits "home"
2113	my $exit = cf::object::new "exit";
2114
2115	$exit->slaying ($EMERGENCY_POSITION->[0]);
2116	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2117	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2118
2119	$LINK_MAP->insert ($exit->clone, 19, 19);
2120	$LINK_MAP->insert ($exit->clone, 19, 20);
2121	$LINK_MAP->insert ($exit->clone, 19, 21);
2122	$LINK_MAP->insert ($exit->clone, 20, 19);
2123	$LINK_MAP->insert ($exit->clone, 20, 21);
2124	$LINK_MAP->insert ($exit->clone, 21, 19);
2125	$LINK_MAP->insert ($exit->clone, 21, 20);
2126	$LINK_MAP->insert ($exit->clone, 21, 21);
2127
2128	$exit->destroy;
2129	});
2130
2131	$LINK_MAP->{deny_save} = 1;
2132	$LINK_MAP->{deny_reset} = 1;
2133
2134	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2135	}
2136
2137	register "<global>", __PACKAGE__;
2138		2417
2139	register_command "reload" => sub {	2418	register_command "reload" => sub {
2140	my ($who, $arg) = @_;	2419	my ($who, $arg) = @_;
2141		2420
2142	if ($who->flag (FLAG_WIZ)) {	2421	if ($who->flag (FLAG_WIZ)) {
2143	$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 {
2144	reload;	2428	reload;
2145	$who->message ("end of reload.");	2429	undef $RELOAD_WATCHER;
		2430	});
2146	}	2431	}
2147	};	2432	};
2148		2433
2149	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
2150		2437
2151	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
2152	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
2153	prio => 0,	2441	prio => 0,
2154	at => $NEXT_TICK \|\| $TICK,	2442	at => $NEXT_TICK \|\| $TICK,
2155	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
2156	cb => sub {	2444	cb => sub {
2157	unless ($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
2158	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
2159	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
2160	}
2161
2162	$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;
2163		2459
2164	# 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
2165	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2166		2462
2167	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2169	},	2465	},
2170	);	2466	);
2171		2467
2172	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2173		2469
2174	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2175	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2176	poll => 'r',	2472	poll => 'r',
2177	prio => 5,	2473	prio => 5,
2178	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2179	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2180	);	2476	);
2181		2477
2182	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2183	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2184	after => 0,	2480	after => 1,
2185	interval => 10,	2481	interval => 10,
2186	cb => sub {	2482	cb => Coro::unblock_sub {
2187	(Coro::unblock_sub {
2188	write_runtime	2483	write_runtime
2189	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2190	})->();
2191	},	2485	},
2192	);	2486	);
2193		2487
		2488	END { cf::emergency_save }
		2489
2194	1	2490	1
2195		2491

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Comparing deliantra/server/lib/cf.pm (file contents): Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs. Revision 1.183 by root, Fri Jan 19 19:42:37 2007 UTC

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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.122 by root, Tue Jan 2 17:32:24 2007 UTC vs.
Revision 1.183 by root, Fri Jan 19 19:42:37 2007 UTC