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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.186 by root, Sat Jan 20 01:12:39 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 $RANDOM_MAPS = cf::localdir . "/random";	62	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		69
57	binmode STDOUT;	70	binmode STDOUT;
58	binmode STDERR;	71	binmode STDERR;
59		72
60	# read virtual server time, if available	73	# read virtual server time, if available
…		…
68	mkdir cf::localdir . "/" . cf::playerdir;	81	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	82	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	83	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	84	mkdir $RANDOM_MAPS;
72		85
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	86	our $EMERGENCY_POSITION;
76		87
77	#############################################################################	88	#############################################################################
78		89
79	=head2 GLOBAL VARIABLES	90	=head2 GLOBAL VARIABLES
…		…
104		115
105	=item %cf::CFG	116	=item %cf::CFG
106		117
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	118	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		127
110	=back	128	=back
111		129
112	=cut	130	=cut
113		131
…		…
117	utf8::encode $msg;	135	utf8::encode $msg;
118		136
119	$msg .= "\n"	137	$msg .= "\n"
120	unless $msg =~ /\n$/;	138	unless $msg =~ /\n$/;
121		139
122	LOG llevError, "cfperl: $msg";	140	LOG llevError, $msg;
123	};	141	};
124	}	142	}
125		143
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		163
146	$Event::DIED = sub {	164	$Event::DIED = sub {
147	warn "error in event callback: @_";	165	warn "error in event callback: @_";
148	};	166	};
149		167
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	168	=head2 UTILITY FUNCTIONS
155		169
156	=over 4	170	=over 4
157		171
		172	=item dumpval $ref
		173
158	=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	}
159		194
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	195	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		196
162	=item $ref = cf::from_json $json	197	=item $ref = cf::from_json $json
163		198
…		…
179	sub to_json($) {	214	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	216	JSON::Syck::Dump $_[0]
182	}	217	}
183		218
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	219	=item cf::lock_wait $string
207		220
208	Wait until the given lock is available. See cf::lock_acquire.	221	Wait until the given lock is available. See cf::lock_acquire.
209		222
210	=item my $lock = cf::lock_acquire $string	223	=item my $lock = cf::lock_acquire $string
211		224
212	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
213	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,
214	for example when the coroutine gets canceled), the lock is automatically	227	for example when the coroutine gets canceled), the lock is automatically
215	returned.	228	returned.
216		229
217	Lock names should begin with a unique identifier (for example, cf::map::find	230	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	231	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	250	# wait, to be sure we are not locked
238	lock_wait $key;	251	lock_wait $key;
239		252
240	$LOCK{$key} = [];	253	$LOCK{$key} = [];
241		254
242	cf::guard {	255	Coro::guard {
243	# wake up all waiters, to be on the safe side	256	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	257	$_->ready for @{ delete $LOCK{$key} };
245	}	258	}
246	}	259	}
247		260
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	261	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	262	return unless $TICK_WATCHER->is_active;
266		263
267	my $guard = guard { $TICK_WATCHER->start };	264	my $guard = Coro::guard {
		265	$TICK_WATCHER->start;
		266	$WRITE_RUNTIME_WATCHER->start;
		267	};
		268	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
269	$guard	270	$guard
270	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
271		282
272	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
273		284
274	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
295		306
296	my $busy = 1;	307	my $busy = 1;
297	my @res;	308	my @res;
298		309
299	(Coro::async {	310	(async {
300	@res = eval { $job->() };	311	@res = eval { $job->() };
301	warn $@ if $@;	312	warn $@ if $@;
302	undef $busy;	313	undef $busy;
303	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
304		315
305	while ($busy) {	316	while ($busy) {
306	Coro::cede_notself;	317	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	318	}
309		319
310	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
311	} else {	321	} else {
312	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
313		323
314	$job->()	324	$job->()
315	}	325	}
316	}	326	}
317		327
318	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
319		329
320	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
322		332
323	=cut	333	=cut
324		334
325	sub coro(&) {	335	sub async_ext(&) {
326	my $cb = shift;	336	my $cb = shift;
327		337
328	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
329		339
330	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
332	});	342	});
333	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
…		…
339	my $runtime = cf::localdir . "/runtime";	349	my $runtime = cf::localdir . "/runtime";
340		350
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	352	or return;
343		353
		354	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	355	# 10 is the runtime save interval, for a monotonic clock
		356	# 60 allows for the watchdog to kill the server.
		357
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	358	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	359	and return;
347		360
348	aio_fsync $fh	361	aio_fsync $fh
349	and return;	362	and return;
…		…
358	}	371	}
359		372
360	=back	373	=back
361		374
362	=cut	375	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		376
484	#############################################################################	377	#############################################################################
485		378
486	=head2 ATTACHABLE OBJECTS	379	=head2 ATTACHABLE OBJECTS
487		380
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	506	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	507	our @CB_MAP = ();
615		508
616	my %attachment;	509	my %attachment;
617		510
		511	sub cf::attachable::thawer_merge {
		512	# simply override everything except _meta
		513	local $_[0]{_meta};
		514	%{$_[0]} = %{$_[1]};
		515	}
		516
618	sub _attach_cb($$$$) {	517	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	518	my ($registry, $event, $prio, $cb) = @_;
620		519
621	use sort 'stable';	520	use sort 'stable';
622		521
…		…
793	# object support	692	# object support
794		693
795	sub reattach {	694	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	695	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	696	my ($obj) = @_;
		697
		698	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		699
799	my $registry = $obj->registry;	700	my $registry = $obj->registry;
800		701
801	@$registry = ();	702	@$registry = ();
802		703
…		…
934	=cut	835	=cut
935		836
936	sub register_extcmd {	837	sub register_extcmd {
937	my ($name, $cb) = @_;	838	my ($name, $cb) = @_;
938		839
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	840	$EXTCMD{$name} = $cb;
943	}	841	}
944		842
945	cf::player->attach (	843	cf::player->attach (
946	on_command => sub {	844	on_command => sub {
947	my ($pl, $name, $params) = @_;	845	my ($pl, $name, $params) = @_;
…		…
960		858
961	my $msg = eval { from_json $buf };	859	my $msg = eval { from_json $buf };
962		860
963	if (ref $msg) {	861	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	863	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	864	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	865	}
968	}	866	}
969	} else {	867	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		870
973	cf::override;	871	cf::override;
974	},	872	},
975	);	873	);
976		874
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	875	sub load_extension {
984	my ($path) = @_;	876	my ($path) = @_;
985		877
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	879	my $base = $1;
988	my $pkg = $1;	880	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	881	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	882	$pkg = "ext::$pkg";
991		883
992	warn "loading '$path' into '$pkg'\n";	884	warn "... loading '$path' into '$pkg'\n";
993		885
994	open my $fh, "<:utf8", $path	886	open my $fh, "<:utf8", $path
995	or die "$path: $!";	887	or die "$path: $!";
996		888
997	my $source =	889	my $source =
998	"package $pkg; use strict; use utf8;\n"	890	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	891	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	892	. (do { local $/; <$fh> })
1001	. "\n};\n1";	893	. "\n};\n1";
1002		894
1003	eval $source	895	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	896	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	897	: "extension disabled.\n";
1006		898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	899	warn $@;
1008	$ext_pkg{$base} = $pkg;	900	warn "mandatory extension failed to load, exiting.\n";
1009		901	exit 1;
1010	# no strict 'refs';	902	}
1011	# @{"$pkg\::ISA"} = ext::;	903	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	904	}
1026		905
1027	# remove commands	906	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	907	}
1052		908
1053	sub load_extensions {	909	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	910	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	911	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	915	} or warn "$ext not loaded: $@";
1060	}	916	}
1061	}	917	}
1062		918
1063	#############################################################################	919	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		920
1101	=head2 CORE EXTENSIONS	921	=head2 CORE EXTENSIONS
1102		922
1103	Functions and methods that extend core crossfire objects.	923	Functions and methods that extend core crossfire objects.
1104		924
		925	=cut
		926
		927	package cf::player;
		928
		929	use Coro::AIO;
		930
1105	=head3 cf::player	931	=head3 cf::player
1106		932
1107	=over 4	933	=over 4
1108		934
1109	=item cf::player::exists $login	935	=item cf::player::find $login
1110		936
1111	Returns true when the given account exists.	937	Returns the given player object, loading it if necessary (might block).
1112		938
1113	=cut	939	=cut
1114		940
1115	sub cf::player::exists($) {	941	sub playerdir($) {
1116	cf::player::find $_[0]	942	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	943	. "/"
		944	. cf::playerdir
		945	. "/"
		946	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		947	}
		948
		949	sub path($) {
		950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		951
		952	(playerdir $login) . "/$login.pl"
		953	}
		954
		955	sub find_active($) {
		956	$cf::PLAYER{$_[0]}
		957	and $cf::PLAYER{$_[0]}->active
		958	and $cf::PLAYER{$_[0]}
		959	}
		960
		961	sub exists($) {
		962	my ($login) = @_;
		963
		964	$cf::PLAYER{$login}
		965	or cf::sync_job { !aio_stat path $login }
		966	}
		967
		968	sub find($) {
		969	return $cf::PLAYER{$_[0]} || do {
		970	my $login = $_[0];
		971
		972	my $guard = cf::lock_acquire "user_find:$login";
		973
		974	$cf::PLAYER{$_[0]} || do {
		975	my $pl = load_pl path $login
		976	or return;
		977	$cf::PLAYER{$login} = $pl
		978	}
		979	}
		980	}
		981
		982	sub save($) {
		983	my ($pl) = @_;
		984
		985	return if $pl->{deny_save};
		986
		987	my $path = path $pl;
		988	my $guard = cf::lock_acquire "user_save:$path";
		989
		990	return if $pl->{deny_save};
		991
		992	aio_mkdir playerdir $pl, 0770;
		993	$pl->{last_save} = $cf::RUNTIME;
		994
		995	$pl->save_pl ($path);
		996	Coro::cede;
		997	}
		998
		999	sub new($) {
		1000	my ($login) = @_;
		1001
		1002	my $self = create;
		1003
		1004	$self->ob->name ($login);
		1005	$self->{deny_save} = 1;
		1006
		1007	$cf::PLAYER{$login} = $self;
		1008
		1009	$self
		1010	}
		1011
		1012	=item $pl->quit_character
		1013
		1014	Nukes the player without looking back. If logged in, the connection will
		1015	be destroyed. May block for a long time.
		1016
		1017	=cut
		1018
		1019	sub quit_character {
		1020	my ($pl) = @_;
		1021
		1022	$pl->{deny_save} = 1;
		1023	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1024
		1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1026	$pl->deactivate;
		1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1028	$pl->ns->destroy if $pl->ns;
		1029
		1030	my $path = playerdir $pl;
		1031	my $temp = "$path~$cf::RUNTIME~deleting~";
		1032	aio_rename $path, $temp;
		1033	delete $cf::PLAYER{$pl->ob->name};
		1034	$pl->destroy;
		1035	IO::AIO::aio_rmtree $temp;
		1036	}
		1037
		1038	=item cf::player::list_logins
		1039
		1040	Returns am arrayref of all valid playernames in the system, can take a
		1041	while and may block, so not sync_job-capable, ever.
		1042
		1043	=cut
		1044
		1045	sub list_logins {
		1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1047	or return [];
		1048
		1049	my @logins;
		1050
		1051	for my $login (@$dirs) {
		1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1053	aio_read $fh, 0, 512, my $buf, 0 or next;
		1054	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1055
		1056	utf8::decode $login;
		1057	push @logins, $login;
		1058	}
		1059
		1060	\@logins
		1061	}
		1062
		1063	=item $player->maps
		1064
		1065	Returns an arrayref of map paths that are private for this
		1066	player. May block.
		1067
		1068	=cut
		1069
		1070	sub maps($) {
		1071	my ($pl) = @_;
		1072
		1073	my $files = aio_readdir playerdir $pl
		1074	or return;
		1075
		1076	my @paths;
		1077
		1078	for (@$files) {
		1079	utf8::decode $_;
		1080	next if /\.(?:pl|pst)$/;
		1081	next unless /^$PATH_SEP/o;
		1082
		1083	s/\.map$//;
		1084	push @paths, "~" . $pl->ob->name . "/" . $_;
		1085	}
		1086
		1087	\@paths
1118	}	1088	}
1119		1089
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1090	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1091
1122	Sends an ext reply to the player.	1092	Sends an ext reply to the player.
1123		1093
1124	=cut	1094	=cut
1125		1095
1126	sub cf::player::ext_reply($$$%) {	1096	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1097	my ($self, $id, %msg) = @_;
1128		1098
1129	$msg{msgid} = $id;	1099	$msg{msgid} = $id;
1130		1100
1131	$self->send ("ext " . to_json \%msg);	1101	$self->send ("ext " . cf::to_json \%msg);
1132	}	1102	}
		1103
		1104	package cf;
1133		1105
1134	=back	1106	=back
1135		1107
1136		1108
1137	=head3 cf::map	1109	=head3 cf::map
…		…
1143	package cf::map;	1115	package cf::map;
1144		1116
1145	use Fcntl;	1117	use Fcntl;
1146	use Coro::AIO;	1118	use Coro::AIO;
1147		1119
		1120	use overload
		1121	'""' => \&as_string,
		1122	fallback => 1;
		1123
1148	our $MAX_RESET = 3600;	1124	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1125	our $DEFAULT_RESET = 3000;
1150		1126
1151	sub generate_random_map {	1127	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1128	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1129	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1130	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1134	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1135	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1141	(cf::region::find $rmp->{region}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	sub register {
		1146	my (undef, $regex) = @_;
		1147	my $pkg = caller;
		1148
		1149	no strict;
		1150	push @{"$pkg\::ISA"}, __PACKAGE__;
		1151
		1152	$EXT_MAP{$pkg} = qr<$regex>;
		1153	}
		1154
		1155	# also paths starting with '/'
		1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};
		1157
		1158	sub thawer_merge {
		1159	my ($self, $merge) = @_;
		1160
		1161	# we have to keep some variables in memory intact
		1162	local $self->{path};
		1163	local $self->{load_path};
		1164	local $self->{deny_save};
		1165	local $self->{deny_reset};
		1166
		1167	$self->SUPER::thawer_merge ($merge);
		1168	}
		1169
		1170	sub normalise {
		1171	my ($path, $base) = @_;
		1172
		1173	# map plan:
		1174	#
		1175	# /! non-realised random map exit (special hack!)
		1176	# {... are special paths that are not being touched
		1177	# ?xxx/... are special absolute paths
		1178	# ?random/... random maps
		1179	# /... normal maps
		1180	# ~user/... per-player map of a specific user
		1181
		1182	$path =~ s/$PATH_SEP/\//go;
		1183
		1184	# treat it as relative path if it starts with
		1185	# something that looks reasonable
		1186	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1187	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1188
		1189	$base =~ s{[^/]+/?$}{};
		1190	$path = "$base/$path";
		1191	}
		1192
		1193	for ($path) {
		1194	redo if s{//}{/};
		1195	redo if s{/\.?/}{/};
		1196	redo if s{/[^/]+/\.\./}{/};
		1197	}
		1198
		1199	$path
		1200	}
		1201
		1202	sub new_from_path {
		1203	my (undef, $path, $base) = @_;
		1204
		1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1206
		1207	$path = normalise $path, $base;
		1208
		1209	for my $pkg (keys %EXT_MAP) {
		1210	if ($path =~ $EXT_MAP{$pkg}) {
		1211	my $self = bless cf::map::new, $pkg;
		1212	$self->{path} = $path; $self->path ($path);
		1213	$self->init; # pass $1 etc.
		1214	return $self;
		1215	}
		1216	}
		1217
		1218	Carp::carp "unable to resolve path '$path'.";
		1219	()
		1220	}
		1221
		1222	sub init {
		1223	my ($self) = @_;
		1224
		1225	$self
		1226	}
		1227
		1228	sub as_string {
		1229	my ($self) = @_;
		1230
		1231	"$self->{path}"
		1232	}
		1233
		1234	# the displayed name, this is a one way mapping
		1235	sub visible_name {
		1236	&as_string
		1237	}
		1238
		1239	# the original (read-only) location
		1240	sub load_path {
		1241	my ($self) = @_;
		1242
		1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1244	}
		1245
		1246	# the temporary/swap location
		1247	sub save_path {
		1248	my ($self) = @_;
		1249
		1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1252	}
		1253
		1254	# the unique path, undef == no special unique path
		1255	sub uniq_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1260	}
1169		1261
1170	# and all this just because we cannot iterate over	1262	# and all this just because we cannot iterate over
1171	# all maps in C++...	1263	# all maps in C++...
1172	sub change_all_map_light {	1264	sub change_all_map_light {
…		…
1174		1266
1175	$_->change_map_light ($change)	1267	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1268	for grep $_->outdoor, values %cf::MAP;
1177	}	1269	}
1178		1270
		1271	sub unlink_save {
		1272	my ($self) = @_;
		1273
		1274	utf8::encode (my $save = $self->save_path);
		1275	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1276	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1277	}
		1278
1179	sub try_load_header($) {	1279	sub load_header_from($) {
1180	my ($path) = @_;	1280	my ($self, $path) = @_;
1181		1281
1182	utf8::encode $path;	1282	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1283	aio_open $path, O_RDONLY, 0
1184	or return;	1284	or return;
1185		1285
1186	my $map = cf::map::new	1286	$self->_load_header ($path)
1187	or return;	1287	or return;
1188		1288
1189	$map->load_header ($path)	1289	$self->{load_path} = $path;
		1290
		1291	1
		1292	}
		1293
		1294	sub load_orig {
		1295	my ($self) = @_;
		1296
		1297	$self->load_header_from ($self->load_path)
		1298	}
		1299
		1300	sub load_temp {
		1301	my ($self) = @_;
		1302
		1303	$self->load_header_from ($self->save_path)
		1304	}
		1305
		1306	sub load_header {
		1307	my ($self) = @_;
		1308
		1309	if ($self->load_temp) {
		1310	$self->last_access ((delete $self->{last_access})
		1311	|| $cf::RUNTIME); #d#
		1312	# safety
		1313	$self->{instantiate_time} = $cf::RUNTIME
		1314	if $self->{instantiate_time} > $cf::RUNTIME;
		1315	} else {
		1316	$self->load_orig
1190	or return;	1317	or return;
1191		1318
1192	$map->{load_path} = $path;	1319	$self->{load_original} = 1;
		1320	$self->{instantiate_time} = $cf::RUNTIME;
		1321	$self->last_access ($cf::RUNTIME);
		1322	$self->instantiate;
		1323	}
1193		1324
1194	$map	1325	1
1195	}	1326	}
1196		1327
1197	sub find;	1328	sub find;
1198	sub find {	1329	sub find {
1199	my ($path, $origin) = @_;	1330	my ($path, $origin) = @_;
1200		1331
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1332	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1333
1206	cf::lock_wait "map_find:$key";	1334	cf::lock_wait "map_find:$path";
1207		1335
1208	$cf::MAP{$key} || do {	1336	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1337	my $guard = cf::lock_acquire "map_find:$path";
1210		1338	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1339	or return;
1228		1340
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1341	$map->{last_save} = $cf::RUNTIME;
1241		1342
		1343	$map->load_header
		1344	or return;
		1345
1242	if ($map->should_reset) {	1346	if ($map->should_reset) {
		1347	# doing this can freeze the server in a sync job, obviously
		1348	#$cf::WAIT_FOR_TICK->wait;
1243	$map->reset;	1349	$map->reset;
1244	undef $guard;	1350	undef $guard;
1245	$map = find $path	1351	$map = find $path
1246	or return;	1352	or return;
1247	}	1353	}
1248		1354
1249	$cf::MAP{$key} = $map	1355	$cf::MAP{$path} = $map
1250	}	1356	}
1251	}	1357	}
1252		1358
1253	sub load {	1359	sub load {
1254	my ($self) = @_;	1360	my ($self) = @_;
1255		1361
1256	my $path = $self->{path};	1362	my $path = $self->{path};
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1363	my $guard = cf::lock_acquire "map_load:$path";
1258		1364
1259	return if $self->in_memory != cf::MAP_SWAPPED;	1365	return if $self->in_memory != cf::MAP_SWAPPED;
1260		1366
1261	$self->in_memory (cf::MAP_LOADING);	1367	$self->in_memory (cf::MAP_LOADING);
1262		1368
1263	$self->alloc;	1369	$self->alloc;
1264	$self->load_objects ($self->{load_path}, 1)	1370	$self->_load_objects ($self->{load_path}, 1)
1265	or return;	1371	or return;
1266		1372
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1268	if delete $self->{load_original};	1374	if delete $self->{load_original};
1269		1375
1270	if (my $uniq = $path->uniq_path) {	1376	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	1377	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	1378	if (aio_open $uniq, O_RDONLY, 0) {
1273	$self->clear_unique_items;	1379	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	1380	$self->_load_objects ($uniq, 0);
1275	}	1381	}
1276	}	1382	}
		1383
		1384	Coro::cede;
1277		1385
1278	# now do the right thing for maps	1386	# now do the right thing for maps
1279	$self->link_multipart_objects;	1387	$self->link_multipart_objects;
1280		1388
1281	if ($self->{path}->is_style_map) {	1389	unless ($self->{deny_activate}) {
1282	$self->{deny_save} = 1;	1390	$self->decay_objects;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;	1391	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;	1392	$self->update_buttons;
		1393	Coro::cede;
1288	$self->set_darkness_map;	1394	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	1395	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	1396	unless $self->difficulty;
		1397	Coro::cede;
1291	$self->activate;	1398	$self->activate;
1292	}	1399	}
1293		1400
1294	$self->in_memory (cf::MAP_IN_MEMORY);	1401	$self->in_memory (cf::MAP_IN_MEMORY);
		1402	}
		1403
		1404	sub customise_for {
		1405	my ($self, $ob) = @_;
		1406
		1407	return find "~" . $ob->name . "/" . $self->{path}
		1408	if $self->per_player;
		1409
		1410	$self
		1411	}
		1412
		1413	# find and load all maps in the 3x3 area around a map
		1414	sub load_diag {
		1415	my ($map) = @_;
		1416
		1417	my @diag; # diagonal neighbours
		1418
		1419	for (0 .. 3) {
		1420	my $neigh = $map->tile_path ($_)
		1421	or next;
		1422	$neigh = find $neigh, $map
		1423	or next;
		1424	$neigh->load;
		1425
		1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1428	}
		1429
		1430	for (@diag) {
		1431	my $neigh = find @$_
		1432	or next;
		1433	$neigh->load;
		1434	}
1295	}	1435	}
1296		1436
1297	sub find_sync {	1437	sub find_sync {
1298	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1299		1439
1300	cf::sync_job { cf::map::find $path, $origin }	1440	cf::sync_job { find $path, $origin }
1301	}	1441	}
1302		1442
1303	sub do_load_sync {	1443	sub do_load_sync {
1304	my ($map) = @_;	1444	my ($map) = @_;
1305		1445
1306	cf::sync_job { $map->load };	1446	cf::sync_job { $map->load };
1307	}	1447	}
1308		1448
		1449	our %MAP_PREFETCH;
		1450	our $MAP_PREFETCHER = undef;
		1451
		1452	sub find_async {
		1453	my ($path, $origin) = @_;
		1454
		1455	$path = normalise $path, $origin && $origin->{path};
		1456
		1457	if (my $map = $cf::MAP{$path}) {
		1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1459	}
		1460
		1461	undef $MAP_PREFETCH{$path};
		1462	$MAP_PREFETCHER ||= cf::async {
		1463	while (%MAP_PREFETCH) {
		1464	for my $path (keys %MAP_PREFETCH) {
		1465	my $map = find $path
		1466	or next;
		1467	$map->load;
		1468
		1469	delete $MAP_PREFETCH{$path};
		1470	}
		1471	}
		1472	undef $MAP_PREFETCHER;
		1473	};
		1474
		1475	()
		1476	}
		1477
1309	sub save {	1478	sub save {
1310	my ($self) = @_;	1479	my ($self) = @_;
1311		1480
		1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1482
1312	$self->{last_save} = $cf::RUNTIME;	1483	$self->{last_save} = $cf::RUNTIME;
1313		1484
1314	return unless $self->dirty;	1485	return unless $self->dirty;
1315		1486
1316	my $save = $self->{path}->save_path; utf8::encode $save;	1487	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1488	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		1489
1319	$self->{load_path} = $save;	1490	$self->{load_path} = $save;
1320		1491
1321	return if $self->{deny_save};	1492	return if $self->{deny_save};
1322		1493
1323	local $self->{last_access} = $self->last_access;#d#	1494	local $self->{last_access} = $self->last_access;#d#
1324		1495
		1496	cf::async {
		1497	$_->contr->save for $self->players;
		1498	};
		1499
1325	if ($uniq) {	1500	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	1503	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	1505	}
1331	}	1506	}
1332		1507
1333	sub swap_out {	1508	sub swap_out {
1334	my ($self) = @_;	1509	my ($self) = @_;
1335		1510
1336	# save first because save cedes	1511	# save first because save cedes
1337	$self->save;	1512	$self->save;
		1513
		1514	my $lock = cf::lock_acquire "map_data:" . $self->path;
1338		1515
1339	return if $self->players;	1516	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1341	return if $self->{deny_save};	1518	return if $self->{deny_save};
1342		1519
…		…
1346		1523
1347	sub reset_at {	1524	sub reset_at {
1348	my ($self) = @_;	1525	my ($self) = @_;
1349		1526
1350	# TODO: safety, remove and allow resettable per-player maps	1527	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};	1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1352	return 1e99 if $self->{deny_reset};	1529	return 1e99 if $self->{deny_reset};
1353		1530
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		1533
…		…
1361	my ($self) = @_;	1538	my ($self) = @_;
1362		1539
1363	$self->reset_at <= $cf::RUNTIME	1540	$self->reset_at <= $cf::RUNTIME
1364	}	1541	}
1365		1542
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	1543	sub reset {
1388	my ($self) = @_;	1544	my ($self) = @_;
1389		1545
		1546	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1547
1390	return if $self->players;	1548	return if $self->players;
1391	return if $self->{path}{user_rel};#d#	1549	return if $self->isa ("ext::map_per_player");#d#
1392		1550
1393	warn "resetting map ", $self->path;#d#	1551	warn "resetting map ", $self->path;#d#
1394		1552
1395	delete $cf::MAP{$self->path};	1553	delete $cf::MAP{$self->path};
		1554
		1555	$self->in_memory (cf::MAP_SWAPPED);
		1556	$self->clear;
1396		1557
1397	$_->clear_links_to ($self) for values %cf::MAP;	1558	$_->clear_links_to ($self) for values %cf::MAP;
1398		1559
1399	$self->unlink_save;	1560	$self->unlink_save;
1400	$self->destroy;	1561	$self->destroy;
…		…
1403	my $nuke_counter = "aaaa";	1564	my $nuke_counter = "aaaa";
1404		1565
1405	sub nuke {	1566	sub nuke {
1406	my ($self) = @_;	1567	my ($self) = @_;
1407		1568
		1569	delete $cf::MAP{$self->path};
		1570
		1571	$self->unlink_save;
		1572
		1573	bless $self, "cf::map";
		1574	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	1575	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	1576	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1578
		1579	$cf::MAP{$self->path} = $self;
		1580
1411	$self->reset; # polite request, might not happen	1581	$self->reset; # polite request, might not happen
1412	}	1582	}
1413		1583
1414	sub customise_for {	1584	=item cf::map::unique_maps
1415	my ($map, $ob) = @_;
1416		1585
1417	if ($map->per_player) {	1586	Returns an arrayref of paths of all shared maps that have
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1587	instantiated unique items. May block.
1419	}
1420		1588
1421	$map	1589	=cut
1422	}
1423		1590
1424	sub emergency_save {	1591	sub unique_maps() {
1425	my $freeze_guard = cf::freeze_mainloop;	1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1593	or return;
1426		1594
1427	warn "enter emergency map save\n";	1595	my @paths;
1428		1596
1429	cf::sync_job {	1597	for (@$files) {
1430	warn "begin emergency map save\n";	1598	utf8::decode $_;
1431	$_->save for values %cf::MAP;	1599	next if /\.pst$/;
		1600	next unless /^$PATH_SEP/o;
		1601
		1602	s/\.map$//;
		1603	push @paths, $_;
1432	};	1604	}
1433		1605
1434	warn "end emergency map save\n";	1606	\@paths
1435	}	1607	}
1436		1608
1437	package cf;	1609	package cf;
1438		1610
1439	=back	1611	=back
1440		1612
		1613	=head3 cf::object
		1614
		1615	=cut
		1616
		1617	package cf::object;
		1618
		1619	=over 4
		1620
		1621	=item $ob->inv_recursive
		1622
		1623	Returns the inventory of the object _and_ their inventories, recursively.
		1624
		1625	=cut
		1626
		1627	sub inv_recursive_;
		1628	sub inv_recursive_ {
		1629	map { $_, inv_recursive_ $_->inv } @_
		1630	}
		1631
		1632	sub inv_recursive {
		1633	inv_recursive_ inv $_[0]
		1634	}
		1635
		1636	package cf;
		1637
		1638	=back
1441		1639
1442	=head3 cf::object::player	1640	=head3 cf::object::player
1443		1641
1444	=over 4	1642	=over 4
1445		1643
…		…
1485		1683
1486	=item $player_object->enter_link	1684	=item $player_object->enter_link
1487		1685
1488	Freezes the player and moves him/her to a special map (C<{link}>).	1686	Freezes the player and moves him/her to a special map (C<{link}>).
1489		1687
1490	The player should be reaosnably safe there for short amounts of time. You	1688	The player should be reasonably safe there for short amounts of time. You
1491	I<MUST> call C<leave_link> as soon as possible, though.	1689	I<MUST> call C<leave_link> as soon as possible, though.
1492		1690
		1691	Will never block.
		1692
1493	=item $player_object->leave_link ($map, $x, $y)	1693	=item $player_object->leave_link ($map, $x, $y)
1494		1694
1495	Moves the player out of the specila link map onto the given map. If the	1695	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	1696	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	1697	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	1698	fails, to the emergency map position.
1499		1699
1500	Might block.	1700	Might block.
1501		1701
1502	=cut	1702	=cut
		1703
		1704	sub link_map {
		1705	unless ($LINK_MAP) {
		1706	$LINK_MAP = cf::map::find "{link}"
		1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1708	$LINK_MAP->load;
		1709	}
		1710
		1711	$LINK_MAP
		1712	}
1503		1713
1504	sub cf::object::player::enter_link {	1714	sub cf::object::player::enter_link {
1505	my ($self) = @_;	1715	my ($self) = @_;
1506		1716
1507	$self->deactivate_recursive;	1717	$self->deactivate_recursive;
1508		1718
1509	return if $self->map == $LINK_MAP;	1719	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		1720
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	1722	if $self->map;
1513		1723
1514	$self->enter_map ($LINK_MAP, 20, 20);	1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1515	}	1725	}
1516		1726
1517	sub cf::object::player::leave_link {	1727	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	1728	my ($self, $map, $x, $y) = @_;
1519		1729
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	1747	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	1748	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	1749	if $x <=0 && $y <= 0;
1540		1750
1541	$map->load;	1751	$map->load;
		1752	$map->load_diag;
1542		1753
		1754	return unless $self->contr->active;
1543	$self->activate_recursive;	1755	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);	1756	$self->enter_map ($map, $x, $y);
1545	}	1757	}
1546		1758
1547	cf::player->attach (	1759	cf::player->attach (
…		…
1560		1772
1561	# try to abort aborted map switching on player login :)	1773	# try to abort aborted map switching on player login :)
1562	# should happen only on crashes	1774	# should happen only on crashes
1563	if ($pl->ob->{_link_pos}) {	1775	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;	1776	$pl->ob->enter_link;
1565	cf::async {	1777	(async {
1566	# we need this sleep as the login has a concurrent enter_exit running	1778	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn	1779	# and this sleep increases chances of the player not ending up in scorn
		1780	$pl->ob->reply (undef,
		1781	"There was an internal problem at your last logout, "
		1782	. "the server will try to bring you to your intended destination in a second.",
		1783	cf::NDI_RED);
1568	Coro::Timer::sleep 1;	1784	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;	1785	$pl->ob->leave_link;
1570	};	1786	})->prio (2);
1571	}	1787	}
1572	},	1788	},
1573	);	1789	);
1574		1790
1575	=item $player_object->goto_map ($path, $x, $y)	1791	=item $player_object->goto ($path, $x, $y)
1576		1792
1577	=cut	1793	=cut
1578		1794
1579	sub cf::object::player::goto_map {	1795	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	1796	my ($self, $path, $x, $y) = @_;
1581		1797
1582	$self->enter_link;	1798	$self->enter_link;
1583		1799
1584	(cf::async {	1800	(async {
1585	$path = new cf::path $path;
1586
1587	my $map = cf::map::find $path->as_string;	1801	my $map = cf::map::find $path;
1588	$map = $map->customise_for ($self) if $map;	1802	$map = $map->customise_for ($self) if $map;
1589		1803
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	1804	# warn "entering ", $map->path, " at ($x, $y)\n"
1591	# if $map;	1805	# if $map;
1592		1806
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1594		1808
1595	$self->leave_link ($map, $x, $y);	1809	$self->leave_link ($map, $x, $y);
1596	})->prio (1);	1810	})->prio (1);
1597	}	1811	}
1598		1812
…		…
1602		1816
1603	sub parse_random_map_params {	1817	sub parse_random_map_params {
1604	my ($spec) = @_;	1818	my ($spec) = @_;
1605		1819
1606	my $rmp = { # defaults	1820	my $rmp = { # defaults
1607	xsize => 10,	1821	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	1822	ysize => (cf::rndm 15, 40),
		1823	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1824	#layout => string,
1609	};	1825	};
1610		1826
1611	for (split /\n/, $spec) {	1827	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	1828	my ($k, $v) = split /\s+/, $_, 2;
1613		1829
…		…
1617	$rmp	1833	$rmp
1618	}	1834	}
1619		1835
1620	sub prepare_random_map {	1836	sub prepare_random_map {
1621	my ($exit) = @_;	1837	my ($exit) = @_;
		1838
		1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1622		1840
1623	# all this does is basically replace the /! path by	1841	# all this does is basically replace the /! path by
1624	# a new random map path (?random/...) with a seed	1842	# a new random map path (?random/...) with a seed
1625	# that depends on the exit object	1843	# that depends on the exit object
1626		1844
…		…
1635		1853
1636	$rmp->{random_seed} ||= $exit->random_seed;	1854	$rmp->{random_seed} ||= $exit->random_seed;
1637		1855
1638	my $data = cf::to_json $rmp;	1856	my $data = cf::to_json $rmp;
1639	my $md5 = Digest::MD5::md5_hex $data;	1857	my $md5 = Digest::MD5::md5_hex $data;
		1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1640		1859
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	1861	aio_write $fh, 0, (length $data), $data, 0;
		1862	undef $fh;
		1863	aio_rename "$meta~", $meta;
1643		1864
1644	$exit->slaying ("?random/$md5");	1865	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	1866	$exit->msg (undef);
1646	}	1867	}
1647	}	1868	}
…		…
1651		1872
1652	return unless $self->type == cf::PLAYER;	1873	return unless $self->type == cf::PLAYER;
1653		1874
1654	$self->enter_link;	1875	$self->enter_link;
1655		1876
1656	(cf::async {	1877	(async {
1657	$self->deactivate_recursive; # just to be sure	1878	$self->deactivate_recursive; # just to be sure
1658	unless (eval {	1879	unless (eval {
1659	prepare_random_map $exit	1880	prepare_random_map $exit
1660	if $exit->slaying eq "/!";	1881	if $exit->slaying eq "/!";
1661		1882
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1664		1885
1665	1;	1886	1;
1666	}) {	1887	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	1888	$self->message ("Something went wrong deep within the crossfire server. "
1668	. "I'll try to bring you back to the map you were before. "	1889	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	1890	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	1891	cf::NDI_UNIQUE | cf::NDI_RED);
1671		1892
1672	warn "ERROR in enter_exit: $@";	1893	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	1894	$self->leave_link;
1674	}	1895	}
…		…
1742	}	1963	}
1743	}	1964	}
1744	},	1965	},
1745	);	1966	);
1746		1967
1747	=item $client->coro (\&cb)	1968	=item $client->async (\&cb)
1748		1969
1749	Create a new coroutine, running the specified callback. The coroutine will	1970	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	1971	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	1972	or loss of connection).
1752		1973
1753	=cut	1974	=cut
1754		1975
1755	sub cf::client::coro {	1976	sub cf::client::async {
1756	my ($self, $cb) = @_;	1977	my ($self, $cb) = @_;
1757		1978
1758	my $coro = &cf::async ($cb);	1979	my $coro = &Coro::async ($cb);
1759		1980
1760	$coro->on_destroy (sub {	1981	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	1982	delete $self->{_coro}{$coro+0};
1762	});	1983	});
1763		1984
…		…
1957	sub db_sync() {	2178	sub db_sync() {
1958	db_save if $dirty;	2179	db_save if $dirty;
1959	undef $dirty;	2180	undef $dirty;
1960	}	2181	}
1961		2182
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;	2184	db_sync;
1964	});	2185	});
1965		2186
1966	sub db_dirty() {	2187	sub db_dirty() {
1967	$dirty = 1;	2188	$dirty = 1;
…		…
2001	local $/;	2222	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	2223	*CFG = YAML::Syck::Load <$fh>;
2003		2224
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2005		2226
		2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2229
2006	if (exists $CFG{mlockall}) {	2230	if (exists $CFG{mlockall}) {
2007	eval {	2231	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	2232	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	2233	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	2234	};
2011	warn $@ if $@;	2235	warn $@ if $@;
2012	}	2236	}
2013	}	2237	}
2014		2238
2015	sub main {	2239	sub main {
2016	# we must not ever block the main coroutine	2240	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	2241	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	2243	(async {
2020	Event::one_event;	2244	Event::one_event;
2021	})->();	2245	})->prio (Coro::PRIO_MAX);
2022	};	2246	};
2023		2247
2024	cfg_load;	2248	cfg_load;
2025	db_load;	2249	db_load;
2026	load_extensions;	2250	load_extensions;
		2251
		2252	$TICK_WATCHER->start;
2027	Event::loop;	2253	Event::loop;
2028	}	2254	}
2029		2255
2030	#############################################################################	2256	#############################################################################
2031	# initialisation	2257	# initialisation and cleanup
		2258
		2259	# install some emergency cleanup handlers
		2260	BEGIN {
		2261	for my $signal (qw(INT HUP TERM)) {
		2262	Event->signal (
		2263	data => WF_AUTOCANCEL,
		2264	signal => $signal,
		2265	cb => sub {
		2266	cf::cleanup "SIG$signal";
		2267	},
		2268	);
		2269	}
		2270	}
		2271
		2272	sub emergency_save() {
		2273	my $freeze_guard = cf::freeze_mainloop;
		2274
		2275	warn "enter emergency perl save\n";
		2276
		2277	cf::sync_job {
		2278	# use a peculiar iteration method to avoid tripping on perl
		2279	# refcount bugs in for. also avoids problems with players
		2280	# and maps saved/destroyed asynchronously.
		2281	warn "begin emergency player save\n";
		2282	for my $login (keys %cf::PLAYER) {
		2283	my $pl = $cf::PLAYER{$login} or next;
		2284	$pl->valid or next;
		2285	$pl->save;
		2286	}
		2287	warn "end emergency player save\n";
		2288
		2289	warn "begin emergency map save\n";
		2290	for my $path (keys %cf::MAP) {
		2291	my $map = $cf::MAP{$path} or next;
		2292	$map->valid or next;
		2293	$map->save;
		2294	}
		2295	warn "end emergency map save\n";
		2296	};
		2297
		2298	warn "leave emergency perl save\n";
		2299	}
2032		2300
2033	sub reload() {	2301	sub reload() {
2034	# can/must only be called in main	2302	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	2303	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	2304	warn "can only reload from main coroutine";
2037	return;	2305	return;
2038	}	2306	}
2039		2307
2040	warn "reloading...";	2308	warn "reloading...";
2041		2309
2042	my $guard = freeze_mainloop;	2310	warn "cancelling server ticker";
		2311	$TICK_WATCHER->cancel;
		2312
2043	cf::emergency_save;	2313	cf::emergency_save;
2044		2314
2045	eval {	2315	eval {
2046	# if anything goes wrong in here, we should simply crash as we already saved	2316	# if anything goes wrong in here, we should simply crash as we already saved
2047		2317
2048	# cancel all watchers	2318	warn "syncing database to disk";
		2319	cf::db_sync;
		2320
		2321	warn "cancelling all WF_AUTOCANCEL watchers";
2049	for (Event::all_watchers) {	2322	for (Event::all_watchers) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2051	}	2324	}
2052		2325
		2326	warn "flushing outstanding aio requests";
		2327	for (;;) {
		2328	IO::AIO::flush;
		2329	Coro::cede;
		2330	last unless IO::AIO::nreqs;
		2331	warn "iterate...";
		2332	}
		2333
2053	# cancel all extension coros	2334	warn "cancelling all extension coros";
2054	$_->cancel for values %EXT_CORO;	2335	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();	2336	%EXT_CORO = ();
2056		2337
2057	# unload all extensions	2338	warn "removing commands";
2058	for (@exts) {	2339	%COMMAND = ();
		2340
		2341	warn "removing ext commands";
		2342	%EXTCMD = ();
		2343
		2344	warn "unloading/nuking all extensions";
		2345	for my $pkg (@EXTS) {
2059	warn "unloading <$_>";	2346	warn "... unloading $pkg";
2060	unload_extension $_;	2347
		2348	if (my $cb = $pkg->can ("unload")) {
		2349	eval {
		2350	$cb->($pkg);
		2351	1
		2352	} or warn "$pkg unloaded, but with errors: $@";
2061	}	2353	}
2062		2354
		2355	warn "... nuking $pkg";
		2356	Symbol::delete_package $pkg;
		2357	}
		2358
2063	# unload all modules loaded from $LIBDIR	2359	warn "unloading all perl modules loaded from $LIBDIR";
2064	while (my ($k, $v) = each %INC) {	2360	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066		2362
2067	warn "removing <$k>";	2363	warn "... unloading $k";
2068	delete $INC{$k};	2364	delete $INC{$k};
2069		2365
2070	$k =~ s/\.pm$//;	2366	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;	2367	$k =~ s/\//::/g;
2072		2368
…		…
2075	}	2371	}
2076		2372
2077	Symbol::delete_package $k;	2373	Symbol::delete_package $k;
2078	}	2374	}
2079		2375
2080	# sync database to disk
2081	cf::db_sync;
2082	IO::AIO::flush;
2083
2084	# get rid of safe::, as good as possible	2376	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	2377	Symbol::delete_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		2379
2088	# remove register_script_function callbacks
2089	# TODO
2090
2091	# unload cf.pm "a bit"	2380	warn "unloading cf.pm \"a bit\"";
2092	delete $INC{"cf.pm"};	2381	delete $INC{"cf.pm"};
2093		2382
2094	# don't, removes xs symbols, too,	2383	# don't, removes xs symbols, too,
2095	# and global variables created in xs	2384	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	2385	#Symbol::delete_package __PACKAGE__;
2097		2386
2098	# reload cf.pm	2387	warn "unload completed, starting to reload now";
		2388
2099	warn "reloading cf.pm";	2389	warn "reloading cf.pm";
2100	require cf;	2390	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2102		2392
2103	# load config and database again	2393	warn "loading config and database again";
2104	cf::cfg_load;	2394	cf::cfg_load;
2105	cf::db_load;	2395	cf::db_load;
2106		2396
2107	# load extensions
2108	warn "load extensions";	2397	warn "loading extensions";
2109	cf::load_extensions;	2398	cf::load_extensions;
2110		2399
2111	# reattach attachments to objects	2400	warn "reattaching attachments to objects/players";
2112	warn "reattach";
2113	_global_reattach;	2401	_global_reattach;
		2402	warn "reattaching attachments to maps";
		2403	reattach $_ for values %MAP;
		2404
		2405	warn "restarting server ticker";
		2406
		2407	$TICK_WATCHER->start;
2114	};	2408	};
2115		2409
2116	if ($@) {	2410	if ($@) {
2117	warn $@;	2411	warn $@;
2118	warn "error while reloading, exiting.";	2412	warn "error while reloading, exiting.";
2119	exit 1;	2413	exit 1;
2120	}	2414	}
2121		2415
2122	warn "reloaded successfully";	2416	warn "reloaded";
2123	};	2417	};
2124		2418
2125	#############################################################################	2419	our $RELOAD_WATCHER; # used only during reload
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}
2167
2168	register "<global>", __PACKAGE__;
2169		2420
2170	register_command "reload" => sub {	2421	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	2422	my ($who, $arg) = @_;
2172		2423
2173	if ($who->flag (FLAG_WIZ)) {	2424	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");	2425	$who->message ("reloading server.");
		2426
		2427	# doing reload synchronously and two reloads happen back-to-back,
		2428	# coro crashes during coro_state_free->destroy here.
		2429
		2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2175	reload;	2431	reload;
2176	$who->message ("end of reload.");	2432	undef $RELOAD_WATCHER;
		2433	});
2177	}	2434	}
2178	};	2435	};
2179		2436
2180	unshift @INC, $LIBDIR;	2437	unshift @INC, $LIBDIR;
		2438
		2439	my $bug_warning = 0;
2181		2440
2182	$TICK_WATCHER = Event->timer (	2441	$TICK_WATCHER = Event->timer (
2183	reentrant => 0,	2442	reentrant => 0,
		2443	parked => 1,
2184	prio => 0,	2444	prio => 0,
2185	at => $NEXT_TICK || $TICK,	2445	at => $NEXT_TICK || $TICK,
2186	data => WF_AUTOCANCEL,	2446	data => WF_AUTOCANCEL,
2187	cb => sub {	2447	cb => sub {
		2448	if ($Coro::current != $Coro::main) {
		2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2450	unless ++$bug_warning > 10;
		2451	return;
		2452	}
		2453
		2454	$NOW = Event::time;
		2455
2188	cf::server_tick; # one server iteration	2456	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;	2457	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;	2458	$NEXT_TICK += $TICK;
		2459
		2460	$WAIT_FOR_TICK->broadcast;
		2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2191		2462
2192	# if we are delayed by four ticks or more, skip them all	2463	# if we are delayed by four ticks or more, skip them all
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		2465
2195	$TICK_WATCHER->at ($NEXT_TICK);	2466	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2197	},	2468	},
2198	);	2469	);
2199		2470
2200	IO::AIO::max_poll_time $TICK * 0.2;	2471	IO::AIO::max_poll_time $TICK * 0.2;
2201		2472
2202	Event->io (	2473	$AIO_POLL_WATCHER = Event->io (
2203	fd => IO::AIO::poll_fileno,	2474	fd => IO::AIO::poll_fileno,
2204	poll => 'r',	2475	poll => 'r',
2205	prio => 5,	2476	prio => 5,
2206	data => WF_AUTOCANCEL,	2477	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,	2478	cb => \&IO::AIO::poll_cb,
2208	);	2479	);
2209		2480
2210	Event->timer (	2481	$WRITE_RUNTIME_WATCHER = Event->timer (
2211	data => WF_AUTOCANCEL,	2482	data => WF_AUTOCANCEL,
2212	after => 0,	2483	after => 1,
2213	interval => 10,	2484	interval => 10,
2214	cb => sub {	2485	prio => 6, # keep it lowest so it acts like a watchdog
2215	(Coro::unblock_sub {	2486	cb => Coro::unblock_sub {
2216	write_runtime	2487	write_runtime
2217	or warn "ERROR: unable to write runtime file: $!";	2488	or warn "ERROR: unable to write runtime file: $!";
2218	})->();
2219	},	2489	},
2220	);	2490	);
2221		2491
2222	END { cf::emergency_save }	2492	END { cf::emergency_save }
2223		2493

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