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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 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	}
249		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	$guard
		271	}
		272
250	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
251		274
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	275	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
254		278
255	=cut	279	=cut
256		280
257	sub async(&) {	281	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		282
266	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
267		284
268	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	300	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	301	# till the operation succeeds, freezing the server :/
285		302
286	# TODO: use suspend/resume instead	303	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	304	# (but this is cancel-safe)
288	local $FREEZE = 1;	305	my $freeze_guard = freeze_mainloop;
289		306
290	my $busy = 1;	307	my $busy = 1;
291	my @res;	308	my @res;
292		309
293	(Coro::async {	310	(async {
294	@res = eval { $job->() };	311	@res = eval { $job->() };
295	warn $@ if $@;	312	warn $@ if $@;
296	undef $busy;	313	undef $busy;
297	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
298		315
299	while ($busy) {	316	while ($busy) {
300	Coro::cede_notself;	317	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	318	}
303		319
304	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
305	} else {	321	} else {
306	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
307		323
308	$job->()	324	$job->()
309	}	325	}
310	}	326	}
311		327
312	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
313		329
314	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
316		332
317	=cut	333	=cut
318		334
319	sub coro(&) {	335	sub async_ext(&) {
320	my $cb = shift;	336	my $cb = shift;
321		337
322	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
323		339
324	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
326	});	342	});
327	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
352	}	368	}
353		369
354	=back	370	=back
355		371
356	=cut	372	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		373
478	#############################################################################	374	#############################################################################
479		375
480	=head2 ATTACHABLE OBJECTS	376	=head2 ATTACHABLE OBJECTS
481		377
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	503	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	504	our @CB_MAP = ();
609		505
610	my %attachment;	506	my %attachment;
611		507
		508	sub cf::attachable::thawer_merge {
		509	# simply override everything except _meta
		510	local $_[0]{_meta};
		511	%{$_[0]} = %{$_[1]};
		512	}
		513
612	sub _attach_cb($$$$) {	514	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	515	my ($registry, $event, $prio, $cb) = @_;
614		516
615	use sort 'stable';	517	use sort 'stable';
616		518
…		…
787	# object support	689	# object support
788		690
789	sub reattach {	691	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	692	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	693	my ($obj) = @_;
		694
		695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		696
793	my $registry = $obj->registry;	697	my $registry = $obj->registry;
794		698
795	@$registry = ();	699	@$registry = ();
796		700
…		…
928	=cut	832	=cut
929		833
930	sub register_extcmd {	834	sub register_extcmd {
931	my ($name, $cb) = @_;	835	my ($name, $cb) = @_;
932		836
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	837	$EXTCMD{$name} = $cb;
937	}	838	}
938		839
939	cf::player->attach (	840	cf::player->attach (
940	on_command => sub {	841	on_command => sub {
941	my ($pl, $name, $params) = @_;	842	my ($pl, $name, $params) = @_;
…		…
954		855
955	my $msg = eval { from_json $buf };	856	my $msg = eval { from_json $buf };
956		857
957	if (ref $msg) {	858	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	860	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	861	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	862	}
962	}	863	}
963	} else {	864	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		867
967	cf::override;	868	cf::override;
968	},	869	},
969	);	870	);
970		871
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	872	sub load_extension {
978	my ($path) = @_;	873	my ($path) = @_;
979		874
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	876	my $base = $1;
982	my $pkg = $1;	877	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	878	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	879	$pkg = "ext::$pkg";
985		880
986	warn "loading '$path' into '$pkg'\n";	881	warn "... loading '$path' into '$pkg'\n";
987		882
988	open my $fh, "<:utf8", $path	883	open my $fh, "<:utf8", $path
989	or die "$path: $!";	884	or die "$path: $!";
990		885
991	my $source =	886	my $source =
992	"package $pkg; use strict; use utf8;\n"	887	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	888	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	889	. (do { local $/; <$fh> })
995	. "\n};\n1";	890	. "\n};\n1";
996		891
997	eval $source	892	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	893	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	894	: "extension disabled.\n";
1000		895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	896	warn $@;
1002	$ext_pkg{$base} = $pkg;	897	warn "mandatory extension failed to load, exiting.\n";
1003		898	exit 1;
1004	# no strict 'refs';	899	}
1005	# @{"$pkg\::ISA"} = ext::;	900	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	901	}
1020		902
1021	# remove commands	903	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	904	}
1046		905
1047	sub load_extensions {	906	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	907	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	908	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	912	} or warn "$ext not loaded: $@";
1054	}	913	}
1055	}	914	}
1056		915
1057	#############################################################################	916	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		917
1095	=head2 CORE EXTENSIONS	918	=head2 CORE EXTENSIONS
1096		919
1097	Functions and methods that extend core crossfire objects.	920	Functions and methods that extend core crossfire objects.
1098		921
		922	=cut
		923
		924	package cf::player;
		925
		926	use Coro::AIO;
		927
1099	=head3 cf::player	928	=head3 cf::player
1100		929
1101	=over 4	930	=over 4
1102		931
1103	=item cf::player::exists $login	932	=item cf::player::find $login
1104		933
1105	Returns true when the given account exists.	934	Returns the given player object, loading it if necessary (might block).
1106		935
1107	=cut	936	=cut
1108		937
1109	sub cf::player::exists($) {	938	sub playerdir($) {
1110	cf::player::find $_[0]	939	cf::localdir
1111	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
1112	}	1085	}
1113		1086
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1087	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1088
1116	Sends an ext reply to the player.	1089	Sends an ext reply to the player.
1117		1090
1118	=cut	1091	=cut
1119		1092
1120	sub cf::player::ext_reply($$$%) {	1093	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1094	my ($self, $id, %msg) = @_;
1122		1095
1123	$msg{msgid} = $id;	1096	$msg{msgid} = $id;
1124		1097
1125	$self->send ("ext " . to_json \%msg);	1098	$self->send ("ext " . cf::to_json \%msg);
1126	}	1099	}
		1100
		1101	package cf;
1127		1102
1128	=back	1103	=back
1129		1104
1130		1105
1131	=head3 cf::map	1106	=head3 cf::map
…		…
1137	package cf::map;	1112	package cf::map;
1138		1113
1139	use Fcntl;	1114	use Fcntl;
1140	use Coro::AIO;	1115	use Coro::AIO;
1141		1116
		1117	use overload
		1118	'""' => \&as_string,
		1119	fallback => 1;
		1120
1142	our $MAX_RESET = 7200;	1121	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1122	our $DEFAULT_RESET = 3000;
1144		1123
1145	sub generate_random_map {	1124	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1125	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1126	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1127	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1131	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1132	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1257	}
1163		1258
1164	# and all this just because we cannot iterate over	1259	# and all this just because we cannot iterate over
1165	# all maps in C++...	1260	# all maps in C++...
1166	sub change_all_map_light {	1261	sub change_all_map_light {
…		…
1168		1263
1169	$_->change_map_light ($change)	1264	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1265	for grep $_->outdoor, values %cf::MAP;
1171	}	1266	}
1172		1267
		1268	sub unlink_save {
		1269	my ($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
1173	sub try_load_header($) {	1276	sub load_header_from($) {
1174	my ($path) = @_;	1277	my ($self, $path) = @_;
1175		1278
1176	utf8::encode $path;	1279	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1280	aio_open $path, O_RDONLY, 0
1178	or return;	1281	or return;
1179		1282
1180	my $map = cf::map::new	1283	$self->_load_header ($path)
1181	or return;	1284	or return;
1182		1285
1183	$map->load_header ($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
1184	or return;	1314	or return;
1185		1315
1186	$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	}
1187		1321
1188	$map	1322	1
1189	}	1323	}
1190		1324
1191	sub find_map;	1325	sub find;
1192	sub find_map {	1326	sub find {
1193	my ($path, $origin) = @_;	1327	my ($path, $origin) = @_;
1194		1328
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1329	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1330
1200	cf::lock_wait "map_find:$key";	1331	cf::lock_wait "map_find:$path";
1201		1332
1202	$cf::MAP{$key} || do {	1333	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1334	my $guard = cf::lock_acquire "map_find:$path";
1204		1335	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1336	or return;
1220		1337
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1338	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);	1339
		1340	$map->load_header
		1341	or return;
1233		1342
1234	if ($map->should_reset) {	1343	if ($map->should_reset) {
		1344	$cf::WAIT_FOR_TICK->wait;
1235	$map->reset;	1345	$map->reset;
1236	undef $guard;	1346	undef $guard;
1237	$map = find_map $path	1347	$map = find $path
1238	or return;	1348	or return;
1239	}	1349	}
1240		1350
1241	$cf::MAP{$key} = $map	1351	$cf::MAP{$path} = $map
1242	}	1352	}
1243	}	1353	}
1244		1354
1245	sub load {	1355	sub load {
1246	my ($self) = @_;	1356	my ($self) = @_;
1247		1357
1248	my $path = $self->{path};	1358	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1359	my $guard = cf::lock_acquire "map_load:$path";
1250		1360
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1361	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1362
1253	$self->in_memory (cf::MAP_LOADING);	1363	$self->in_memory (cf::MAP_LOADING);
1254		1364
1255	$self->alloc;	1365	$self->alloc;
1256	$self->load_objects ($self->{load_path}, 1)	1366	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1367	or return;
1258		1368
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1370	if delete $self->{load_original};
1261		1371
1262	if (my $uniq = $path->uniq_path) {	1372	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1373	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1374	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1375	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1376	$self->_load_objects ($uniq, 0);
1267	}	1377	}
1268	}	1378	}
		1379
		1380	Coro::cede;
1269		1381
1270	# now do the right thing for maps	1382	# now do the right thing for maps
1271	$self->link_multipart_objects;	1383	$self->link_multipart_objects;
1272		1384
1273	if ($self->{path}->is_style_map) {	1385	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1386	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1387	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1388	$self->update_buttons;
		1389	Coro::cede;
1280	$self->set_darkness_map;	1390	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1391	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1392	unless $self->difficulty;
		1393	Coro::cede;
1283	$self->activate;	1394	$self->activate;
1284	}	1395	}
1285		1396
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1397	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1398	}
1288		1399
1289	sub load_map_sync {	1400	sub customise_for {
		1401	my ($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	$neigh->load;
		1430	}
		1431	}
		1432
		1433	sub find_sync {
1290	my ($path, $origin) = @_;	1434	my ($path, $origin) = @_;
1291		1435
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1436	cf::sync_job { find $path, $origin }
		1437	}
1293		1438
1294	cf::sync_job {	1439	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1440	my ($map) = @_;
1296	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;
1297	$map->load;	1464	$map->load;
1298	$map	1465
		1466	delete $MAP_PREFETCH{$path};
		1467	}
		1468	}
		1469	undef $MAP_PREFETCHER;
1299	}	1470	};
		1471
		1472	()
1300	}	1473	}
1301		1474
1302	sub save {	1475	sub save {
1303	my ($self) = @_;	1476	my ($self) = @_;
1304		1477
		1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1479
1305	$self->{last_save} = $cf::RUNTIME;	1480	$self->{last_save} = $cf::RUNTIME;
1306		1481
1307	return unless $self->dirty;	1482	return unless $self->dirty;
1308		1483
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1484	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1485	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1486
1312	$self->{load_path} = $save;	1487	$self->{load_path} = $save;
1313		1488
1314	return if $self->{deny_save};	1489	return if $self->{deny_save};
1315		1490
		1491	local $self->{last_access} = $self->last_access;#d#
		1492
		1493	cf::async {
		1494	$_->contr->save for $self->players;
		1495	};
		1496
1316	if ($uniq) {	1497	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1500	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	1502	}
1322	}	1503	}
1323		1504
1324	sub swap_out {	1505	sub swap_out {
1325	my ($self) = @_;	1506	my ($self) = @_;
1326		1507
1327	# save first because save cedes	1508	# save first because save cedes
1328	$self->save;	1509	$self->save;
		1510
		1511	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1512
1330	return if $self->players;	1513	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1515	return if $self->{deny_save};
1333		1516
…		…
1337		1520
1338	sub reset_at {	1521	sub reset_at {
1339	my ($self) = @_;	1522	my ($self) = @_;
1340		1523
1341	# TODO: safety, remove and allow resettable per-player maps	1524	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1526	return 1e99 if $self->{deny_reset};
1344		1527
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1347		1530
…		…
1352	my ($self) = @_;	1535	my ($self) = @_;
1353		1536
1354	$self->reset_at <= $cf::RUNTIME	1537	$self->reset_at <= $cf::RUNTIME
1355	}	1538	}
1356		1539
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1540	sub reset {
1379	my ($self) = @_;	1541	my ($self) = @_;
1380		1542
		1543	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1544
1381	return if $self->players;	1545	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1546	return if $self->isa ("ext::map_per_player");#d#
1383		1547
1384	warn "resetting map ", $self->path;#d#	1548	warn "resetting map ", $self->path;#d#
1385		1549
1386	delete $cf::MAP{$self->path};	1550	delete $cf::MAP{$self->path};
		1551
		1552	$self->in_memory (cf::MAP_SWAPPED);
		1553	$self->clear;
1387		1554
1388	$_->clear_links_to ($self) for values %cf::MAP;	1555	$_->clear_links_to ($self) for values %cf::MAP;
1389		1556
1390	$self->unlink_save;	1557	$self->unlink_save;
1391	$self->destroy;	1558	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1561	my $nuke_counter = "aaaa";
1395		1562
1396	sub nuke {	1563	sub nuke {
1397	my ($self) = @_;	1564	my ($self) = @_;
1398		1565
		1566	delete $cf::MAP{$self->path};
		1567
		1568	$self->unlink_save;
		1569
		1570	bless $self, "cf::map";
		1571	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1572	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1573	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1575
		1576	$cf::MAP{$self->path} = $self;
		1577
1402	$self->reset; # polite request, might not happen	1578	$self->reset; # polite request, might not happen
1403	}	1579	}
1404		1580
1405	sub customise_for {	1581	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1582
1408	if ($map->per_player) {	1583	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1584	instantiated unique items. May block.
1410	}
1411		1585
1412	$map	1586	=cut
1413	}
1414		1587
1415	sub emergency_save {	1588	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1590	or return;
1417		1591
1418	warn "enter emergency map save\n";	1592	my @paths;
1419		1593
1420	cf::sync_job {	1594	for (@$files) {
1421	warn "begin emergency map save\n";	1595	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1596	next if /\.pst$/;
		1597	next unless /^$PATH_SEP/o;
		1598
		1599	s/\.map$//;
		1600	push @paths, $_;
1423	};	1601	}
1424		1602
1425	warn "end emergency map save\n";	1603	\@paths
1426	}	1604	}
1427		1605
1428	package cf;	1606	package cf;
1429		1607
1430	=back	1608	=back
1431		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
1432		1636
1433	=head3 cf::object::player	1637	=head3 cf::object::player
1434		1638
1435	=over 4	1639	=over 4
1436		1640
…		…
1476		1680
1477	=item $player_object->enter_link	1681	=item $player_object->enter_link
1478		1682
1479	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}>).
1480		1684
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1686	I<MUST> call C<leave_link> as soon as possible, though.
1483		1687
		1688	Will never block.
		1689
1484	=item $player_object->leave_link ($map, $x, $y)	1690	=item $player_object->leave_link ($map, $x, $y)
1485		1691
1486	Moves the player out of the specila link map onto the given map. If the	1692	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1693	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1694	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1695	fails, to the emergency map position.
1490		1696
1491	Might block.	1697	Might block.
1492		1698
1493	=cut	1699	=cut
		1700
		1701	sub link_map {
		1702	unless ($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	$LINK_MAP
		1709	}
1494		1710
1495	sub cf::object::player::enter_link {	1711	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1712	my ($self) = @_;
1497		1713
1498	$self->deactivate_recursive;	1714	$self->deactivate_recursive;
1499		1715
1500	return if $self->map == $LINK_MAP;	1716	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1717
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1719	if $self->map;
1504		1720
1505	$self->enter_map ($LINK_MAP, 20, 20);	1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1506	}	1722	}
1507		1723
1508	sub cf::object::player::leave_link {	1724	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1725	my ($self, $map, $x, $y) = @_;
1510		1726
1511	my $link_pos = delete $self->{_link_pos};	1727	my $link_pos = delete $self->{_link_pos};
1512		1728
1513	unless ($map) {	1729	unless ($map) {
1514	# restore original map position	1730	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1731	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1732	$map = cf::map::find $map;
1517		1733
1518	unless ($map) {	1734	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1735	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1736	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1737	or die "FATAL: cannot load emergency map\n";
1522	}	1738	}
1523	}	1739	}
1524		1740
1525	($x, $y) = (-1, -1)	1741	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1744	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1745	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1746	if $x <=0 && $y <= 0;
1531		1747
1532	$map->load;	1748	$map->load;
		1749	$map->load_diag;
1533		1750
		1751	return unless $self->contr->active;
1534	$self->activate_recursive;	1752	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);	1753	$self->enter_map ($map, $x, $y);
1536	}	1754	}
1537		1755
1538	cf::player->attach (	1756	cf::player->attach (
…		…
1551		1769
1552	# try to abort aborted map switching on player login :)	1770	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1771	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1772	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1773	$pl->ob->enter_link;
1556	cf::async {	1774	(async {
1557	# 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
1558	# 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);
1559	Coro::Timer::sleep 1;	1781	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1782	$pl->ob->leave_link;
1561	};	1783	})->prio (2);
1562	}	1784	}
1563	},	1785	},
1564	);	1786	);
1565		1787
1566	=item $player_object->goto_map ($path, $x, $y)	1788	=item $player_object->goto ($path, $x, $y)
1567		1789
1568	=cut	1790	=cut
1569		1791
1570	sub cf::object::player::goto_map {	1792	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1793	my ($self, $path, $x, $y) = @_;
1572		1794
1573	$self->enter_link;	1795	$self->enter_link;
1574		1796
1575	(cf::async {	1797	(async {
1576	$path = new cf::path $path;
1577
1578	my $map = cf::map::find_map $path->as_string;	1798	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1799	$map = $map->customise_for ($self) if $map;
1580		1800
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1801	# warn "entering ", $map->path, " at ($x, $y)\n"
1582	# if $map;	1802	# if $map;
1583		1803
1584	$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);
1585		1805
1586	$self->leave_link ($map, $x, $y);	1806	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1807	})->prio (1);
1588	}	1808	}
1589		1809
…		…
1593		1813
1594	sub parse_random_map_params {	1814	sub parse_random_map_params {
1595	my ($spec) = @_;	1815	my ($spec) = @_;
1596		1816
1597	my $rmp = { # defaults	1817	my $rmp = { # defaults
1598	xsize => 10,	1818	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1819	ysize => (cf::rndm 15, 40),
		1820	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1821	#layout => string,
1600	};	1822	};
1601		1823
1602	for (split /\n/, $spec) {	1824	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1825	my ($k, $v) = split /\s+/, $_, 2;
1604		1826
…		…
1608	$rmp	1830	$rmp
1609	}	1831	}
1610		1832
1611	sub prepare_random_map {	1833	sub prepare_random_map {
1612	my ($exit) = @_;	1834	my ($exit) = @_;
		1835
		1836	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1837
1614	# all this does is basically replace the /! path by	1838	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1839	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1840	# that depends on the exit object
1617		1841
…		…
1626		1850
1627	$rmp->{random_seed} ||= $exit->random_seed;	1851	$rmp->{random_seed} ||= $exit->random_seed;
1628		1852
1629	my $data = cf::to_json $rmp;	1853	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1854	my $md5 = Digest::MD5::md5_hex $data;
		1855	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1856
1632	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) {
1633	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;
1634		1861
1635	$exit->slaying ("?random/$md5");	1862	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1863	$exit->msg (undef);
1637	}	1864	}
1638	}	1865	}
…		…
1642		1869
1643	return unless $self->type == cf::PLAYER;	1870	return unless $self->type == cf::PLAYER;
1644		1871
1645	$self->enter_link;	1872	$self->enter_link;
1646		1873
1647	(cf::async {	1874	(async {
		1875	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1876	unless (eval {
1649	prepare_random_map $exit	1877	prepare_random_map $exit
1650	if $exit->slaying eq "/!";	1878	if $exit->slaying eq "/!";
1651		1879
1652	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;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1881	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1654		1882
1655	1;	1883	1;
1656	}) {	1884	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1885	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "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. "
1659	. "Please report this to the dungeon master",	1887	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1888	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1889
1662	warn "ERROR in enter_exit: $@";	1890	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1891	$self->leave_link;
1664	}	1892	}
…		…
1732	}	1960	}
1733	}	1961	}
1734	},	1962	},
1735	);	1963	);
1736		1964
1737	=item $client->coro (\&cb)	1965	=item $client->async (\&cb)
1738		1966
1739	Create a new coroutine, running the specified callback. The coroutine will	1967	Create a new coroutine, running the specified callback. The coroutine will
1740	be automatically cancelled when the client gets destroyed (e.g. on logout,	1968	be automatically cancelled when the client gets destroyed (e.g. on logout,
1741	or loss of connection).	1969	or loss of connection).
1742		1970
1743	=cut	1971	=cut
1744		1972
1745	sub cf::client::coro {	1973	sub cf::client::async {
1746	my ($self, $cb) = @_;	1974	my ($self, $cb) = @_;
1747		1975
1748	my $coro = &cf::async ($cb);	1976	my $coro = &Coro::async ($cb);
1749		1977
1750	$coro->on_destroy (sub {	1978	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	1979	delete $self->{_coro}{$coro+0};
1752	});	1980	});
1753		1981
…		…
1947	sub db_sync() {	2175	sub db_sync() {
1948	db_save if $dirty;	2176	db_save if $dirty;
1949	undef $dirty;	2177	undef $dirty;
1950	}	2178	}
1951		2179
1952	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 {
1953	db_sync;	2181	db_sync;
1954	});	2182	});
1955		2183
1956	sub db_dirty() {	2184	sub db_dirty() {
1957	$dirty = 1;	2185	$dirty = 1;
…		…
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2216	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2217	or return;
1990		2218
1991	local $/;	2219	local $/;
1992	*CFG = YAML::Syck::Load <$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	}
1993	}	2234	}
1994		2235
1995	sub main {	2236	sub main {
1996	# we must not ever block the main coroutine	2237	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2238	local $Coro::idle = sub {
1998	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#
1999	(Coro::unblock_sub {	2240	(async {
2000	Event::one_event;	2241	Event::one_event;
2001	})->();	2242	})->prio (Coro::PRIO_MAX);
2002	};	2243	};
2003		2244
2004	cfg_load;	2245	cfg_load;
2005	db_load;	2246	db_load;
2006	load_extensions;	2247	load_extensions;
		2248
		2249	$TICK_WATCHER->start;
2007	Event::loop;	2250	Event::loop;
2008	}	2251	}
2009		2252
2010	#############################################################################	2253	#############################################################################
2011	# 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	$map->save;
		2291	}
		2292	warn "end emergency map save\n";
		2293	};
		2294
		2295	warn "leave emergency perl save\n";
		2296	}
2012		2297
2013	sub reload() {	2298	sub reload() {
2014	# can/must only be called in main	2299	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2300	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2301	warn "can only reload from main coroutine";
2017	return;	2302	return;
2018	}	2303	}
2019		2304
2020	warn "reloading...";	2305	warn "reloading...";
2021		2306
2022	local $FREEZE = 1;	2307	warn "cancelling server ticker";
		2308	$TICK_WATCHER->cancel;
		2309
2023	cf::emergency_save;	2310	cf::emergency_save;
2024		2311
2025	eval {	2312	eval {
2026	# 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
2027		2314
2028	# cancel all watchers	2315	warn "syncing database to disk";
		2316	cf::db_sync;
		2317
		2318	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2319	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2320	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2321	}
2032		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
2033	# cancel all extension coros	2331	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2332	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2333	%EXT_CORO = ();
2036		2334
2037	# unload all extensions	2335	warn "removing commands";
2038	for (@exts) {	2336	%COMMAND = ();
		2337
		2338	warn "removing ext commands";
		2339	%EXTCMD = ();
		2340
		2341	warn "unloading/nuking all extensions";
		2342	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2343	warn "... unloading $pkg";
2040	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: $@";
2041	}	2350	}
2042		2351
		2352	warn "... nuking $pkg";
		2353	Symbol::delete_package $pkg;
		2354	}
		2355
2043	# unload all modules loaded from $LIBDIR	2356	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2357	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2359
2047	warn "removing <$k>";	2360	warn "... unloading $k";
2048	delete $INC{$k};	2361	delete $INC{$k};
2049		2362
2050	$k =~ s/\.pm$//;	2363	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2364	$k =~ s/\//::/g;
2052		2365
…		…
2055	}	2368	}
2056		2369
2057	Symbol::delete_package $k;	2370	Symbol::delete_package $k;
2058	}	2371	}
2059		2372
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2373	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2374	Symbol::delete_package "safe::$_"
2066	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);
2067		2376
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2377	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2378	delete $INC{"cf.pm"};
2073		2379
2074	# don't, removes xs symbols, too,	2380	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2381	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2382	#Symbol::delete_package __PACKAGE__;
2077		2383
2078	# reload cf.pm	2384	warn "unload completed, starting to reload now";
		2385
2079	warn "reloading cf.pm";	2386	warn "reloading cf.pm";
2080	require cf;	2387	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2389
2083	# load config and database again	2390	warn "loading config and database again";
2084	cf::cfg_load;	2391	cf::cfg_load;
2085	cf::db_load;	2392	cf::db_load;
2086		2393
2087	# load extensions
2088	warn "load extensions";	2394	warn "loading extensions";
2089	cf::load_extensions;	2395	cf::load_extensions;
2090		2396
2091	# reattach attachments to objects	2397	warn "reattaching attachments to objects/players";
2092	warn "reattach";
2093	_global_reattach;	2398	_global_reattach;
		2399	warn "reattaching attachments to maps";
		2400	reattach $_ for values %MAP;
		2401
		2402	warn "restarting server ticker";
		2403
		2404	$TICK_WATCHER->start;
2094	};	2405	};
2095		2406
2096	if ($@) {	2407	if ($@) {
2097	warn $@;	2408	warn $@;
2098	warn "error while reloading, exiting.";	2409	warn "error while reloading, exiting.";
2099	exit 1;	2410	exit 1;
2100	}	2411	}
2101		2412
2102	warn "reloaded successfully";	2413	warn "reloaded";
2103	};	2414	};
2104		2415
2105	#############################################################################	2416	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2417
2150	register_command "reload" => sub {	2418	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2419	my ($who, $arg) = @_;
2152		2420
2153	if ($who->flag (FLAG_WIZ)) {	2421	if ($who->flag (FLAG_WIZ)) {
2154	$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 {
2155	reload;	2428	reload;
2156	$who->message ("end of reload.");	2429	undef $RELOAD_WATCHER;
		2430	});
2157	}	2431	}
2158	};	2432	};
2159		2433
2160	unshift @INC, $LIBDIR;	2434	unshift @INC, $LIBDIR;
		2435
		2436	my $bug_warning = 0;
2161		2437
2162	$TICK_WATCHER = Event->timer (	2438	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2439	reentrant => 0,
		2440	parked => 1,
2164	prio => 0,	2441	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2442	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2443	data => WF_AUTOCANCEL,
2167	cb => sub {	2444	cb => sub {
2168	unless ($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
2169	cf::server_tick; # one server iteration	2453	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2454	$RUNTIME += $TICK;
2171	}
2172
2173	$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;
2174		2459
2175	# 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
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2461	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2462
2178	$TICK_WATCHER->at ($NEXT_TICK);	2463	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2180	},	2465	},
2181	);	2466	);
2182		2467
2183	IO::AIO::max_poll_time $TICK * 0.2;	2468	IO::AIO::max_poll_time $TICK * 0.2;
2184		2469
2185	Event->io (	2470	$AIO_POLL_WATCHER = Event->io (
2186	fd => IO::AIO::poll_fileno,	2471	fd => IO::AIO::poll_fileno,
2187	poll => 'r',	2472	poll => 'r',
2188	prio => 5,	2473	prio => 5,
2189	data => WF_AUTOCANCEL,	2474	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,	2475	cb => \&IO::AIO::poll_cb,
2191	);	2476	);
2192		2477
2193	Event->timer (	2478	$WRITE_RUNTIME_WATCHER = Event->timer (
2194	data => WF_AUTOCANCEL,	2479	data => WF_AUTOCANCEL,
2195	after => 0,	2480	after => 1,
2196	interval => 10,	2481	interval => 10,
2197	cb => sub {	2482	cb => Coro::unblock_sub {
2198	(Coro::unblock_sub {
2199	write_runtime	2483	write_runtime
2200	or warn "ERROR: unable to write runtime file: $!";	2484	or warn "ERROR: unable to write runtime file: $!";
2201	})->();
2202	},	2485	},
2203	);	2486	);
2204		2487
2205	END { cf::emergency_save }	2488	END { cf::emergency_save }
2206		2489

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