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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.190 by root, Mon Jan 22 03:44:41 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}), $rmp->{custom}
		1142	)
		1143	}
		1144
		1145	=item cf::map->register ($regex, $prio)
		1146
		1147	Register a handler for the map path matching the given regex at the
		1148	givne priority (higher is better, built-in handlers have priority 0, the
		1149	default).
		1150
		1151	=cut
		1152
		1153	sub register {
		1154	my (undef, $regex, $prio) = @_;
		1155	my $pkg = caller;
		1156
		1157	no strict;
		1158	push @{"$pkg\::ISA"}, __PACKAGE__;
		1159
		1160	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1161	}
		1162
		1163	# also paths starting with '/'
		1164	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1165
		1166	sub thawer_merge {
		1167	my ($self, $merge) = @_;
		1168
		1169	# we have to keep some variables in memory intact
		1170	local $self->{path};
		1171	local $self->{load_path};
		1172	local $self->{deny_save};
		1173	local $self->{deny_reset};
		1174
		1175	$self->SUPER::thawer_merge ($merge);
		1176	}
		1177
		1178	sub normalise {
		1179	my ($path, $base) = @_;
		1180
		1181	# map plan:
		1182	#
		1183	# /! non-realised random map exit (special hack!)
		1184	# {... are special paths that are not being touched
		1185	# ?xxx/... are special absolute paths
		1186	# ?random/... random maps
		1187	# /... normal maps
		1188	# ~user/... per-player map of a specific user
		1189
		1190	$path =~ s/$PATH_SEP/\//go;
		1191
		1192	# treat it as relative path if it starts with
		1193	# something that looks reasonable
		1194	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1195	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1196
		1197	$base =~ s{[^/]+/?$}{};
		1198	$path = "$base/$path";
		1199	}
		1200
		1201	for ($path) {
		1202	redo if s{//}{/};
		1203	redo if s{/\.?/}{/};
		1204	redo if s{/[^/]+/\.\./}{/};
		1205	}
		1206
		1207	$path
		1208	}
		1209
		1210	sub new_from_path {
		1211	my (undef, $path, $base) = @_;
		1212
		1213	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1214
		1215	$path = normalise $path, $base;
		1216
		1217	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1218	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1219	my $self = bless cf::map::new, $pkg;
		1220	$self->{path} = $path; $self->path ($path);
		1221	$self->init; # pass $1 etc.
		1222	return $self;
		1223	}
		1224	}
		1225
		1226	Carp::carp "unable to resolve path '$path'.";
		1227	()
		1228	}
		1229
		1230	sub init {
		1231	my ($self) = @_;
		1232
		1233	$self
		1234	}
		1235
		1236	sub as_string {
		1237	my ($self) = @_;
		1238
		1239	"$self->{path}"
		1240	}
		1241
		1242	# the displayed name, this is a one way mapping
		1243	sub visible_name {
		1244	&as_string
		1245	}
		1246
		1247	# the original (read-only) location
		1248	sub load_path {
		1249	my ($self) = @_;
		1250
		1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1252	}
		1253
		1254	# the temporary/swap location
		1255	sub save_path {
		1256	my ($self) = @_;
		1257
		1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1260	}
		1261
		1262	# the unique path, undef == no special unique path
		1263	sub uniq_path {
		1264	my ($self) = @_;
		1265
		1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1268	}
1169		1269
1170	# and all this just because we cannot iterate over	1270	# and all this just because we cannot iterate over
1171	# all maps in C++...	1271	# all maps in C++...
1172	sub change_all_map_light {	1272	sub change_all_map_light {
…		…
1174		1274
1175	$_->change_map_light ($change)	1275	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1276	for grep $_->outdoor, values %cf::MAP;
1177	}	1277	}
1178		1278
		1279	sub unlink_save {
		1280	my ($self) = @_;
		1281
		1282	utf8::encode (my $save = $self->save_path);
		1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1284	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1285	}
		1286
1179	sub try_load_header($) {	1287	sub load_header_from($) {
1180	my ($path) = @_;	1288	my ($self, $path) = @_;
1181		1289
1182	utf8::encode $path;	1290	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1291	aio_open $path, O_RDONLY, 0
1184	or return;	1292	or return;
1185		1293
1186	my $map = cf::map::new	1294	$self->_load_header ($path)
1187	or return;	1295	or return;
1188		1296
1189	$map->load_header ($path)	1297	$self->{load_path} = $path;
		1298
		1299	1
		1300	}
		1301
		1302	sub load_header_orig {
		1303	my ($self) = @_;
		1304
		1305	$self->load_header_from ($self->load_path)
		1306	}
		1307
		1308	sub load_header_temp {
		1309	my ($self) = @_;
		1310
		1311	$self->load_header_from ($self->save_path)
		1312	}
		1313
		1314	sub prepare_temp {
		1315	my ($self) = @_;
		1316
		1317	$self->last_access ((delete $self->{last_access})
		1318	|| $cf::RUNTIME); #d#
		1319	# safety
		1320	$self->{instantiate_time} = $cf::RUNTIME
		1321	if $self->{instantiate_time} > $cf::RUNTIME;
		1322	}
		1323
		1324	sub prepare_orig {
		1325	my ($self) = @_;
		1326
		1327	$self->{load_original} = 1;
		1328	$self->{instantiate_time} = $cf::RUNTIME;
		1329	$self->last_access ($cf::RUNTIME);
		1330	$self->instantiate;
		1331	}
		1332
		1333	sub load_header {
		1334	my ($self) = @_;
		1335
		1336	if ($self->load_header_temp) {
		1337	$self->prepare_temp;
		1338	} else {
		1339	$self->load_header_orig
1190	or return;	1340	or return;
		1341	$self->prepare_orig;
		1342	}
1191		1343
1192	$map->{load_path} = $path;	1344	1
1193
1194	$map
1195	}	1345	}
1196		1346
1197	sub find;	1347	sub find;
1198	sub find {	1348	sub find {
1199	my ($path, $origin) = @_;	1349	my ($path, $origin) = @_;
1200		1350
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1351	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1352
1206	cf::lock_wait "map_find:$key";	1353	cf::lock_wait "map_find:$path";
1207		1354
1208	$cf::MAP{$key} || do {	1355	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1356	my $guard = cf::lock_acquire "map_find:$path";
1210		1357	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1358	or return;
1230		1359
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1360	$map->{last_save} = $cf::RUNTIME;
1243		1361
1244	Coro::cede;	1362	$map->load_header
		1363	or return;
1245		1364
1246	if ($map->should_reset) {	1365	if ($map->should_reset) {
		1366	# doing this can freeze the server in a sync job, obviously
		1367	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1368	$map->reset;
1248	undef $guard;	1369	undef $guard;
1249	$map = find $path	1370	$map = find $path
1250	or return;	1371	or return;
1251	}	1372	}
1252		1373
1253	$cf::MAP{$key} = $map	1374	$cf::MAP{$path} = $map
1254	}	1375	}
1255	}	1376	}
		1377
		1378	sub pre_load { }
		1379	sub post_load { }
1256		1380
1257	sub load {	1381	sub load {
1258	my ($self) = @_;	1382	my ($self) = @_;
1259		1383
1260	my $path = $self->{path};	1384	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1385	my $guard = cf::lock_acquire "map_load:$path";
1262		1386
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1387	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1388
1265	$self->in_memory (cf::MAP_LOADING);	1389	$self->in_memory (cf::MAP_LOADING);
1266		1390
1267	$self->alloc;	1391	$self->alloc;
		1392
		1393	$self->pre_load;
		1394
1268	$self->load_objects ($self->{load_path}, 1)	1395	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1396	or return;
1270		1397
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1398	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1399	if delete $self->{load_original};
1273		1400
1274	if (my $uniq = $path->uniq_path) {	1401	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1402	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1403	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1404	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1405	$self->_load_objects ($uniq, 0);
1279	}	1406	}
1280	}	1407	}
1281		1408
1282	Coro::cede;	1409	Coro::cede;
1283		1410
1284	# now do the right thing for maps	1411	# now do the right thing for maps
1285	$self->link_multipart_objects;	1412	$self->link_multipart_objects;
1286		1413
1287	if ($self->{path}->is_style_map) {	1414	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1415	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1416	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1417	$self->update_buttons;
		1418	Coro::cede;
1294	$self->set_darkness_map;	1419	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1420	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1421	unless $self->difficulty;
		1422	Coro::cede;
1297	$self->activate;	1423	$self->activate;
1298	}	1424	}
1299		1425
1300	Coro::cede;	1426	$self->post_load;
1301		1427
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1428	$self->in_memory (cf::MAP_IN_MEMORY);
		1429	}
		1430
		1431	sub customise_for {
		1432	my ($self, $ob) = @_;
		1433
		1434	return find "~" . $ob->name . "/" . $self->{path}
		1435	if $self->per_player;
		1436
		1437	$self
		1438	}
		1439
		1440	# find and load all maps in the 3x3 area around a map
		1441	sub load_diag {
		1442	my ($map) = @_;
		1443
		1444	my @diag; # diagonal neighbours
		1445
		1446	for (0 .. 3) {
		1447	my $neigh = $map->tile_path ($_)
		1448	or next;
		1449	$neigh = find $neigh, $map
		1450	or next;
		1451	$neigh->load;
		1452
		1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1455	}
		1456
		1457	for (@diag) {
		1458	my $neigh = find @$_
		1459	or next;
		1460	$neigh->load;
		1461	}
1303	}	1462	}
1304		1463
1305	sub find_sync {	1464	sub find_sync {
1306	my ($path, $origin) = @_;	1465	my ($path, $origin) = @_;
1307		1466
1308	cf::sync_job { cf::map::find $path, $origin }	1467	cf::sync_job { find $path, $origin }
1309	}	1468	}
1310		1469
1311	sub do_load_sync {	1470	sub do_load_sync {
1312	my ($map) = @_;	1471	my ($map) = @_;
1313		1472
1314	cf::sync_job { $map->load };	1473	cf::sync_job { $map->load };
1315	}	1474	}
1316		1475
		1476	our %MAP_PREFETCH;
		1477	our $MAP_PREFETCHER = undef;
		1478
		1479	sub find_async {
		1480	my ($path, $origin) = @_;
		1481
		1482	$path = normalise $path, $origin && $origin->{path};
		1483
		1484	if (my $map = $cf::MAP{$path}) {
		1485	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1486	}
		1487
		1488	undef $MAP_PREFETCH{$path};
		1489	$MAP_PREFETCHER ||= cf::async {
		1490	while (%MAP_PREFETCH) {
		1491	for my $path (keys %MAP_PREFETCH) {
		1492	my $map = find $path
		1493	or next;
		1494	$map->load;
		1495
		1496	delete $MAP_PREFETCH{$path};
		1497	}
		1498	}
		1499	undef $MAP_PREFETCHER;
		1500	};
		1501	$MAP_PREFETCHER->prio (6);
		1502
		1503	()
		1504	}
		1505
1317	sub save {	1506	sub save {
1318	my ($self) = @_;	1507	my ($self) = @_;
1319		1508
		1509	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1510
1320	$self->{last_save} = $cf::RUNTIME;	1511	$self->{last_save} = $cf::RUNTIME;
1321		1512
1322	return unless $self->dirty;	1513	return unless $self->dirty;
1323		1514
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1515	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1516	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1517
1327	$self->{load_path} = $save;	1518	$self->{load_path} = $save;
1328		1519
1329	return if $self->{deny_save};	1520	return if $self->{deny_save};
1330		1521
1331	local $self->{last_access} = $self->last_access;#d#	1522	local $self->{last_access} = $self->last_access;#d#
1332		1523
		1524	cf::async {
		1525	$_->contr->save for $self->players;
		1526	};
		1527
1333	if ($uniq) {	1528	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1529	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1530	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1531	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1532	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1533	}
1339	}	1534	}
1340		1535
1341	sub swap_out {	1536	sub swap_out {
1342	my ($self) = @_;	1537	my ($self) = @_;
1343		1538
1344	# save first because save cedes	1539	# save first because save cedes
1345	$self->save;	1540	$self->save;
		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1543
1347	return if $self->players;	1544	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1545	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1546	return if $self->{deny_save};
1350		1547
…		…
1354		1551
1355	sub reset_at {	1552	sub reset_at {
1356	my ($self) = @_;	1553	my ($self) = @_;
1357		1554
1358	# TODO: safety, remove and allow resettable per-player maps	1555	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1556	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1557	return 1e99 if $self->{deny_reset};
1361		1558
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1559	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1560	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1561
…		…
1369	my ($self) = @_;	1566	my ($self) = @_;
1370		1567
1371	$self->reset_at <= $cf::RUNTIME	1568	$self->reset_at <= $cf::RUNTIME
1372	}	1569	}
1373		1570
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1571	sub reset {
1396	my ($self) = @_;	1572	my ($self) = @_;
1397		1573
		1574	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1575
1398	return if $self->players;	1576	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1577	return if $self->isa ("ext::map_per_player");#d#
1400		1578
1401	warn "resetting map ", $self->path;#d#	1579	warn "resetting map ", $self->path;#d#
1402		1580
1403	delete $cf::MAP{$self->path};	1581	delete $cf::MAP{$self->path};
		1582
		1583	$self->in_memory (cf::MAP_SWAPPED);
		1584	$self->clear;
1404		1585
1405	$_->clear_links_to ($self) for values %cf::MAP;	1586	$_->clear_links_to ($self) for values %cf::MAP;
1406		1587
1407	$self->unlink_save;	1588	$self->unlink_save;
1408	$self->destroy;	1589	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1592	my $nuke_counter = "aaaa";
1412		1593
1413	sub nuke {	1594	sub nuke {
1414	my ($self) = @_;	1595	my ($self) = @_;
1415		1596
		1597	delete $cf::MAP{$self->path};
		1598
		1599	$self->unlink_save;
		1600
		1601	bless $self, "cf::map";
		1602	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1603	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1604	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1605	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1606
		1607	$cf::MAP{$self->path} = $self;
		1608
1419	$self->reset; # polite request, might not happen	1609	$self->reset; # polite request, might not happen
1420	}	1610	}
1421		1611
1422	sub customise_for {	1612	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1613
1425	if ($map->per_player) {	1614	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1615	instantiated unique items. May block.
1427	}
1428		1616
1429	$map	1617	=cut
1430	}
1431		1618
1432	sub emergency_save {	1619	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1620	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1621	or return;
1434		1622
1435	warn "enter emergency map save\n";	1623	my @paths;
1436		1624
1437	cf::sync_job {	1625	for (@$files) {
1438	warn "begin emergency map save\n";	1626	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1627	next if /\.pst$/;
		1628	next unless /^$PATH_SEP/o;
		1629
		1630	s/\.map$//;
		1631	push @paths, $_;
1440	};	1632	}
1441		1633
1442	warn "end emergency map save\n";	1634	\@paths
1443	}	1635	}
1444		1636
1445	package cf;	1637	package cf;
1446		1638
1447	=back	1639	=back
1448		1640
		1641	=head3 cf::object
		1642
		1643	=cut
		1644
		1645	package cf::object;
		1646
		1647	=over 4
		1648
		1649	=item $ob->inv_recursive
		1650
		1651	Returns the inventory of the object _and_ their inventories, recursively.
		1652
		1653	=cut
		1654
		1655	sub inv_recursive_;
		1656	sub inv_recursive_ {
		1657	map { $_, inv_recursive_ $_->inv } @_
		1658	}
		1659
		1660	sub inv_recursive {
		1661	inv_recursive_ inv $_[0]
		1662	}
		1663
		1664	package cf;
		1665
		1666	=back
1449		1667
1450	=head3 cf::object::player	1668	=head3 cf::object::player
1451		1669
1452	=over 4	1670	=over 4
1453		1671
…		…
1493		1711
1494	=item $player_object->enter_link	1712	=item $player_object->enter_link
1495		1713
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1714	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1715
1498	The player should be reaosnably safe there for short amounts of time. You	1716	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	1717	I<MUST> call C<leave_link> as soon as possible, though.
1500		1718
		1719	Will never block.
		1720
1501	=item $player_object->leave_link ($map, $x, $y)	1721	=item $player_object->leave_link ($map, $x, $y)
1502		1722
1503	Moves the player out of the specila link map onto the given map. If the	1723	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1724	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1725	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1726	fails, to the emergency map position.
1507		1727
1508	Might block.	1728	Might block.
1509		1729
1510	=cut	1730	=cut
		1731
		1732	sub link_map {
		1733	unless ($LINK_MAP) {
		1734	$LINK_MAP = cf::map::find "{link}"
		1735	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1736	$LINK_MAP->load;
		1737	}
		1738
		1739	$LINK_MAP
		1740	}
1511		1741
1512	sub cf::object::player::enter_link {	1742	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1743	my ($self) = @_;
1514		1744
1515	$self->deactivate_recursive;	1745	$self->deactivate_recursive;
1516		1746
1517	return if $self->map == $LINK_MAP;	1747	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1748
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1749	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1750	if $self->map;
1521		1751
1522	$self->enter_map ($LINK_MAP, 20, 20);	1752	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1523	}	1753	}
1524		1754
1525	sub cf::object::player::leave_link {	1755	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1756	my ($self, $map, $x, $y) = @_;
1527		1757
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1775	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1776	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1777	if $x <=0 && $y <= 0;
1548		1778
1549	$map->load;	1779	$map->load;
		1780	$map->load_diag;
1550		1781
		1782	return unless $self->contr->active;
1551	$self->activate_recursive;	1783	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1784	$self->enter_map ($map, $x, $y);
1553	}	1785	}
1554		1786
1555	cf::player->attach (	1787	cf::player->attach (
…		…
1568		1800
1569	# try to abort aborted map switching on player login :)	1801	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1802	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1803	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1804	$pl->ob->enter_link;
1573	cf::async {	1805	(async {
1574	# we need this sleep as the login has a concurrent enter_exit running	1806	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1807	# and this sleep increases chances of the player not ending up in scorn
		1808	$pl->ob->reply (undef,
		1809	"There was an internal problem at your last logout, "
		1810	. "the server will try to bring you to your intended destination in a second.",
		1811	cf::NDI_RED);
1576	Coro::Timer::sleep 1;	1812	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1813	$pl->ob->leave_link;
1578	};	1814	})->prio (2);
1579	}	1815	}
1580	},	1816	},
1581	);	1817	);
1582		1818
1583	=item $player_object->goto_map ($path, $x, $y)	1819	=item $player_object->goto ($path, $x, $y)
1584		1820
1585	=cut	1821	=cut
1586		1822
1587	sub cf::object::player::goto_map {	1823	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1824	my ($self, $path, $x, $y) = @_;
1589		1825
1590	$self->enter_link;	1826	$self->enter_link;
1591		1827
1592	(cf::async {	1828	(async {
1593	$path = new cf::path $path;
1594
1595	my $map = cf::map::find $path->as_string;	1829	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1830	$map = $map->customise_for ($self) if $map;
1597		1831
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1832	# warn "entering ", $map->path, " at ($x, $y)\n"
1599	# if $map;	1833	# if $map;
1600		1834
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1835	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1836
1603	$self->leave_link ($map, $x, $y);	1837	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1838	})->prio (1);
1605	}	1839	}
1606		1840
…		…
1610		1844
1611	sub parse_random_map_params {	1845	sub parse_random_map_params {
1612	my ($spec) = @_;	1846	my ($spec) = @_;
1613		1847
1614	my $rmp = { # defaults	1848	my $rmp = { # defaults
1615	xsize => 10,	1849	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1850	ysize => (cf::rndm 15, 40),
		1851	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1852	#layout => string,
1617	};	1853	};
1618		1854
1619	for (split /\n/, $spec) {	1855	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1856	my ($k, $v) = split /\s+/, $_, 2;
1621		1857
…		…
1625	$rmp	1861	$rmp
1626	}	1862	}
1627		1863
1628	sub prepare_random_map {	1864	sub prepare_random_map {
1629	my ($exit) = @_;	1865	my ($exit) = @_;
		1866
		1867	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1868
1631	# all this does is basically replace the /! path by	1869	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1870	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1871	# that depends on the exit object
1634		1872
…		…
1643		1881
1644	$rmp->{random_seed} ||= $exit->random_seed;	1882	$rmp->{random_seed} ||= $exit->random_seed;
1645		1883
1646	my $data = cf::to_json $rmp;	1884	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1885	my $md5 = Digest::MD5::md5_hex $data;
		1886	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1887
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1889	aio_write $fh, 0, (length $data), $data, 0;
		1890	undef $fh;
		1891	aio_rename "$meta~", $meta;
1651		1892
1652	$exit->slaying ("?random/$md5");	1893	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1894	$exit->msg (undef);
1654	}	1895	}
1655	}	1896	}
…		…
1659		1900
1660	return unless $self->type == cf::PLAYER;	1901	return unless $self->type == cf::PLAYER;
1661		1902
1662	$self->enter_link;	1903	$self->enter_link;
1663		1904
1664	(cf::async {	1905	(async {
1665	$self->deactivate_recursive; # just to be sure	1906	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1907	unless (eval {
1667	prepare_random_map $exit	1908	prepare_random_map $exit
1668	if $exit->slaying eq "/!";	1909	if $exit->slaying eq "/!";
1669		1910
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1911	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	1912	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1672		1913
1673	1;	1914	1;
1674	}) {	1915	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1916	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	1917	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	1918	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1919	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1920
1680	warn "ERROR in enter_exit: $@";	1921	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1922	$self->leave_link;
1682	}	1923	}
…		…
1750	}	1991	}
1751	}	1992	}
1752	},	1993	},
1753	);	1994	);
1754		1995
1755	=item $client->coro (\&cb)	1996	=item $client->async (\&cb)
1756		1997
1757	Create a new coroutine, running the specified callback. The coroutine will	1998	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	1999	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2000	or loss of connection).
1760		2001
1761	=cut	2002	=cut
1762		2003
1763	sub cf::client::coro {	2004	sub cf::client::async {
1764	my ($self, $cb) = @_;	2005	my ($self, $cb) = @_;
1765		2006
1766	my $coro = &cf::async ($cb);	2007	my $coro = &Coro::async ($cb);
1767		2008
1768	$coro->on_destroy (sub {	2009	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2010	delete $self->{_coro}{$coro+0};
1770	});	2011	});
1771		2012
…		…
1965	sub db_sync() {	2206	sub db_sync() {
1966	db_save if $dirty;	2207	db_save if $dirty;
1967	undef $dirty;	2208	undef $dirty;
1968	}	2209	}
1969		2210
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2211	my $idle = Event->idle (
1971	db_sync;	2212	reentrant => 0,
		2213	min => 10,
		2214	max => 20,
		2215	repeat => 0,
		2216	data => WF_AUTOCANCEL,
		2217	cb => \&db_sync,
1972	});	2218	);
1973		2219
1974	sub db_dirty() {	2220	sub db_dirty() {
1975	$dirty = 1;	2221	$dirty = 1;
1976	$idle->start;	2222	$idle->start;
1977	}	2223	}
…		…
2009	local $/;	2255	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2256	*CFG = YAML::Syck::Load <$fh>;
2011		2257
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2258	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2259
		2260	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2261	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2262
2014	if (exists $CFG{mlockall}) {	2263	if (exists $CFG{mlockall}) {
2015	eval {	2264	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2265	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2266	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2267	};
2019	warn $@ if $@;	2268	warn $@ if $@;
2020	}	2269	}
2021	}	2270	}
2022		2271
2023	sub main {	2272	sub main {
2024	# we must not ever block the main coroutine	2273	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2274	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2275	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2276	(async {
2028	Event::one_event;	2277	Event::one_event;
2029	})->();	2278	})->prio (Coro::PRIO_MAX);
2030	};	2279	};
2031		2280
2032	cfg_load;	2281	cfg_load;
2033	db_load;	2282	db_load;
2034	load_extensions;	2283	load_extensions;
		2284
		2285	$TICK_WATCHER->start;
2035	Event::loop;	2286	Event::loop;
2036	}	2287	}
2037		2288
2038	#############################################################################	2289	#############################################################################
2039	# initialisation	2290	# initialisation and cleanup
		2291
		2292	# install some emergency cleanup handlers
		2293	BEGIN {
		2294	for my $signal (qw(INT HUP TERM)) {
		2295	Event->signal (
		2296	reentrant => 0,
		2297	data => WF_AUTOCANCEL,
		2298	signal => $signal,
		2299	cb => sub {
		2300	cf::cleanup "SIG$signal";
		2301	},
		2302	);
		2303	}
		2304	}
		2305
		2306	sub emergency_save() {
		2307	my $freeze_guard = cf::freeze_mainloop;
		2308
		2309	warn "enter emergency perl save\n";
		2310
		2311	cf::sync_job {
		2312	# use a peculiar iteration method to avoid tripping on perl
		2313	# refcount bugs in for. also avoids problems with players
		2314	# and maps saved/destroyed asynchronously.
		2315	warn "begin emergency player save\n";
		2316	for my $login (keys %cf::PLAYER) {
		2317	my $pl = $cf::PLAYER{$login} or next;
		2318	$pl->valid or next;
		2319	$pl->save;
		2320	}
		2321	warn "end emergency player save\n";
		2322
		2323	warn "begin emergency map save\n";
		2324	for my $path (keys %cf::MAP) {
		2325	my $map = $cf::MAP{$path} or next;
		2326	$map->valid or next;
		2327	$map->save;
		2328	}
		2329	warn "end emergency map save\n";
		2330	};
		2331
		2332	warn "leave emergency perl save\n";
		2333	}
2040		2334
2041	sub reload() {	2335	sub reload() {
2042	# can/must only be called in main	2336	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2337	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2338	warn "can only reload from main coroutine";
2045	return;	2339	return;
2046	}	2340	}
2047		2341
2048	warn "reloading...";	2342	warn "reloading...";
2049		2343
2050	my $guard = freeze_mainloop;	2344	warn "cancelling server ticker";
		2345	$TICK_WATCHER->cancel;
		2346
2051	cf::emergency_save;	2347	cf::emergency_save;
2052		2348
2053	eval {	2349	eval {
2054	# if anything goes wrong in here, we should simply crash as we already saved	2350	# if anything goes wrong in here, we should simply crash as we already saved
2055		2351
2056	# cancel all watchers	2352	warn "syncing database to disk";
		2353	cf::db_sync;
		2354
		2355	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2356	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2357	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2358	}
2060		2359
		2360	warn "flushing outstanding aio requests";
		2361	for (;;) {
		2362	IO::AIO::flush;
		2363	Coro::cede;
		2364	last unless IO::AIO::nreqs;
		2365	warn "iterate...";
		2366	}
		2367
2061	# cancel all extension coros	2368	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2369	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2370	%EXT_CORO = ();
2064		2371
2065	# unload all extensions	2372	warn "removing commands";
2066	for (@exts) {	2373	%COMMAND = ();
		2374
		2375	warn "removing ext commands";
		2376	%EXTCMD = ();
		2377
		2378	warn "unloading/nuking all extensions";
		2379	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2380	warn "... unloading $pkg";
2068	unload_extension $_;	2381
		2382	if (my $cb = $pkg->can ("unload")) {
		2383	eval {
		2384	$cb->($pkg);
		2385	1
		2386	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2387	}
2070		2388
		2389	warn "... nuking $pkg";
		2390	Symbol::delete_package $pkg;
		2391	}
		2392
2071	# unload all modules loaded from $LIBDIR	2393	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2394	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2395	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2396
2075	warn "removing <$k>";	2397	warn "... unloading $k";
2076	delete $INC{$k};	2398	delete $INC{$k};
2077		2399
2078	$k =~ s/\.pm$//;	2400	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2401	$k =~ s/\//::/g;
2080		2402
…		…
2083	}	2405	}
2084		2406
2085	Symbol::delete_package $k;	2407	Symbol::delete_package $k;
2086	}	2408	}
2087		2409
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2410	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2411	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2412	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2413
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2414	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2415	delete $INC{"cf.pm"};
2101		2416
2102	# don't, removes xs symbols, too,	2417	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2418	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2419	#Symbol::delete_package __PACKAGE__;
2105		2420
2106	# reload cf.pm	2421	warn "unload completed, starting to reload now";
		2422
2107	warn "reloading cf.pm";	2423	warn "reloading cf.pm";
2108	require cf;	2424	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2425	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2426
2111	# load config and database again	2427	warn "loading config and database again";
2112	cf::cfg_load;	2428	cf::cfg_load;
2113	cf::db_load;	2429	cf::db_load;
2114		2430
2115	# load extensions
2116	warn "load extensions";	2431	warn "loading extensions";
2117	cf::load_extensions;	2432	cf::load_extensions;
2118		2433
2119	# reattach attachments to objects	2434	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_global_reattach;	2435	_global_reattach;
		2436	warn "reattaching attachments to maps";
		2437	reattach $_ for values %MAP;
		2438
		2439	warn "restarting server ticker";
		2440
		2441	$TICK_WATCHER->start;
2122	};	2442	};
2123		2443
2124	if ($@) {	2444	if ($@) {
2125	warn $@;	2445	warn $@;
2126	warn "error while reloading, exiting.";	2446	warn "error while reloading, exiting.";
2127	exit 1;	2447	exit 1;
2128	}	2448	}
2129		2449
2130	warn "reloaded successfully";	2450	warn "reloaded";
2131	};	2451	};
2132		2452
2133	#############################################################################	2453	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2454
2178	register_command "reload" => sub {	2455	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2456	my ($who, $arg) = @_;
2180		2457
2181	if ($who->flag (FLAG_WIZ)) {	2458	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2459	$who->message ("reloading server.");
		2460
		2461	# doing reload synchronously and two reloads happen back-to-back,
		2462	# coro crashes during coro_state_free->destroy here.
		2463
		2464	$RELOAD_WATCHER ||= Event->timer (
		2465	reentrant => 0,
		2466	after => 0,
		2467	data => WF_AUTOCANCEL,
		2468	cb => sub {
2183	reload;	2469	reload;
2184	$who->message ("end of reload.");	2470	undef $RELOAD_WATCHER;
		2471	},
		2472	);
2185	}	2473	}
2186	};	2474	};
2187		2475
2188	unshift @INC, $LIBDIR;	2476	unshift @INC, $LIBDIR;
		2477
		2478	my $bug_warning = 0;
2189		2479
2190	$TICK_WATCHER = Event->timer (	2480	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2481	reentrant => 0,
		2482	parked => 1,
2192	prio => 0,	2483	prio => -1,
2193	at => $NEXT_TICK || $TICK,	2484	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2485	data => WF_AUTOCANCEL,
2195	cb => sub {	2486	cb => sub {
		2487	if ($Coro::current != $Coro::main) {
		2488	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2489	unless ++$bug_warning > 10;
		2490	return;
		2491	}
		2492
		2493	$NOW = Event::time;
		2494
2196	cf::server_tick; # one server iteration	2495	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2496	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2497	$NEXT_TICK += $TICK;
		2498
		2499	$WAIT_FOR_TICK->broadcast;
		2500	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2501
		2502	my $AFTER = Event::time;
		2503	warn $AFTER - $NOW;#d#
2199		2504
2200	# if we are delayed by four ticks or more, skip them all	2505	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2506	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2507
2203	$TICK_WATCHER->at ($NEXT_TICK);	2508	$TICK_WATCHER->at ($NEXT_TICK);
…		…
2205	},	2510	},
2206	);	2511	);
2207		2512
2208	IO::AIO::max_poll_time $TICK * 0.2;	2513	IO::AIO::max_poll_time $TICK * 0.2;
2209		2514
2210	Event->io (	2515	undef $Coro::AIO::WATCHER;
		2516	$AIO_POLL_WATCHER = Event->io (
		2517	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2518	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2519	poll => 'r',
2213	prio => 5,	2520	prio => 6,
2214	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2522	cb => \&IO::AIO::poll_cb,
2216	);	2523	);
2217		2524
2218	Event->timer (	2525	$WRITE_RUNTIME_WATCHER = Event->timer (
		2526	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2527	data => WF_AUTOCANCEL,
2220	after => 0,	2528	after => 1,
2221	interval => 10,	2529	interval => 10,
2222	cb => sub {	2530	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2531	cb => Coro::unblock_sub {
2224	write_runtime	2532	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2533	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2534	},
2228	);	2535	);
2229		2536
2230	END { cf::emergency_save }	2537	END { cf::emergency_save }
2231		2538

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