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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 1.192 by root, Wed Jan 24 01:43:01 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	$path = "$path"; # make sure its a string
		1182
		1183	# map plan:
		1184	#
		1185	# /! non-realised random map exit (special hack!)
		1186	# {... are special paths that are not being touched
		1187	# ?xxx/... are special absolute paths
		1188	# ?random/... random maps
		1189	# /... normal maps
		1190	# ~user/... per-player map of a specific user
		1191
		1192	$path =~ s/$PATH_SEP/\//go;
		1193
		1194	# treat it as relative path if it starts with
		1195	# something that looks reasonable
		1196	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1197	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1198
		1199	$base =~ s{[^/]+/?$}{};
		1200	$path = "$base/$path";
		1201	}
		1202
		1203	for ($path) {
		1204	redo if s{//}{/};
		1205	redo if s{/\.?/}{/};
		1206	redo if s{/[^/]+/\.\./}{/};
		1207	}
		1208
		1209	$path
		1210	}
		1211
		1212	sub new_from_path {
		1213	my (undef, $path, $base) = @_;
		1214
		1215	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1216
		1217	$path = normalise $path, $base;
		1218
		1219	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1220	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1221	my $self = bless cf::map::new, $pkg;
		1222	$self->{path} = $path; $self->path ($path);
		1223	$self->init; # pass $1 etc.
		1224	return $self;
		1225	}
		1226	}
		1227
		1228	Carp::carp "unable to resolve path '$path' (base '$base').";
		1229	()
		1230	}
		1231
		1232	sub init {
		1233	my ($self) = @_;
		1234
		1235	$self
		1236	}
		1237
		1238	sub as_string {
		1239	my ($self) = @_;
		1240
		1241	"$self->{path}"
		1242	}
		1243
		1244	# the displayed name, this is a one way mapping
		1245	sub visible_name {
		1246	&as_string
		1247	}
		1248
		1249	# the original (read-only) location
		1250	sub load_path {
		1251	my ($self) = @_;
		1252
		1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
		1254	}
		1255
		1256	# the temporary/swap location
		1257	sub save_path {
		1258	my ($self) = @_;
		1259
		1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
		1262	}
		1263
		1264	# the unique path, undef == no special unique path
		1265	sub uniq_path {
		1266	my ($self) = @_;
		1267
		1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1270	}
1169		1271
1170	# and all this just because we cannot iterate over	1272	# and all this just because we cannot iterate over
1171	# all maps in C++...	1273	# all maps in C++...
1172	sub change_all_map_light {	1274	sub change_all_map_light {
…		…
1174		1276
1175	$_->change_map_light ($change)	1277	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1278	for grep $_->outdoor, values %cf::MAP;
1177	}	1279	}
1178		1280
		1281	sub unlink_save {
		1282	my ($self) = @_;
		1283
		1284	utf8::encode (my $save = $self->save_path);
		1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1286	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1287	}
		1288
1179	sub try_load_header($) {	1289	sub load_header_from($) {
1180	my ($path) = @_;	1290	my ($self, $path) = @_;
1181		1291
1182	utf8::encode $path;	1292	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1293	aio_open $path, O_RDONLY, 0
1184	or return;	1294	or return;
1185		1295
1186	my $map = cf::map::new	1296	$self->_load_header ($path)
1187	or return;	1297	or return;
1188		1298
1189	$map->load_header ($path)	1299	$self->{load_path} = $path;
		1300
		1301	1
		1302	}
		1303
		1304	sub load_header_orig {
		1305	my ($self) = @_;
		1306
		1307	$self->load_header_from ($self->load_path)
		1308	}
		1309
		1310	sub load_header_temp {
		1311	my ($self) = @_;
		1312
		1313	$self->load_header_from ($self->save_path)
		1314	}
		1315
		1316	sub prepare_temp {
		1317	my ($self) = @_;
		1318
		1319	$self->last_access ((delete $self->{last_access})
		1320	|| $cf::RUNTIME); #d#
		1321	# safety
		1322	$self->{instantiate_time} = $cf::RUNTIME
		1323	if $self->{instantiate_time} > $cf::RUNTIME;
		1324	}
		1325
		1326	sub prepare_orig {
		1327	my ($self) = @_;
		1328
		1329	$self->{load_original} = 1;
		1330	$self->{instantiate_time} = $cf::RUNTIME;
		1331	$self->last_access ($cf::RUNTIME);
		1332	$self->instantiate;
		1333	}
		1334
		1335	sub load_header {
		1336	my ($self) = @_;
		1337
		1338	if ($self->load_header_temp) {
		1339	$self->prepare_temp;
		1340	} else {
		1341	$self->load_header_orig
1190	or return;	1342	or return;
		1343	$self->prepare_orig;
		1344	}
1191		1345
1192	$map->{load_path} = $path;	1346	1
1193
1194	$map
1195	}	1347	}
1196		1348
1197	sub find;	1349	sub find;
1198	sub find {	1350	sub find {
1199	my ($path, $origin) = @_;	1351	my ($path, $origin) = @_;
1200		1352
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1353	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1354
1206	cf::lock_wait "map_find:$key";	1355	cf::lock_wait "map_find:$path";
1207		1356
1208	$cf::MAP{$key} || do {	1357	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1358	my $guard = cf::lock_acquire "map_find:$path";
1210		1359	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;	1360	or return;
1230		1361
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;	1362	$map->{last_save} = $cf::RUNTIME;
1243		1363
1244	Coro::cede;	1364	$map->load_header
		1365	or return;
1245		1366
1246	if ($map->should_reset) {	1367	if ($map->should_reset) {
		1368	# doing this can freeze the server in a sync job, obviously
		1369	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1370	$map->reset;
1248	undef $guard;	1371	undef $guard;
1249	$map = find $path	1372	return find $path;
1250	or return;
1251	}	1373	}
1252		1374
1253	$cf::MAP{$key} = $map	1375	$cf::MAP{$path} = $map
1254	}	1376	}
1255	}	1377	}
		1378
		1379	sub pre_load { }
		1380	sub post_load { }
1256		1381
1257	sub load {	1382	sub load {
1258	my ($self) = @_;	1383	my ($self) = @_;
1259		1384
1260	my $path = $self->{path};	1385	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1386	my $guard = cf::lock_acquire "map_load:$path";
1262		1387
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1388	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1389
1265	$self->in_memory (cf::MAP_LOADING);	1390	$self->in_memory (cf::MAP_LOADING);
1266		1391
1267	$self->alloc;	1392	$self->alloc;
		1393
		1394	$self->pre_load;
		1395
1268	$self->load_objects ($self->{load_path}, 1)	1396	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1397	or return;
1270		1398
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1400	if delete $self->{load_original};
1273		1401
1274	if (my $uniq = $path->uniq_path) {	1402	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1403	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1404	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1405	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1406	$self->_load_objects ($uniq, 0);
1279	}	1407	}
1280	}	1408	}
1281		1409
1282	Coro::cede;	1410	Coro::cede;
1283		1411
1284	# now do the right thing for maps	1412	# now do the right thing for maps
1285	$self->link_multipart_objects;	1413	$self->link_multipart_objects;
1286		1414
1287	if ($self->{path}->is_style_map) {	1415	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1416	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1417	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1418	$self->update_buttons;
		1419	Coro::cede;
1294	$self->set_darkness_map;	1420	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1421	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1422	unless $self->difficulty;
		1423	Coro::cede;
1297	$self->activate;	1424	$self->activate;
1298	}	1425	}
1299		1426
1300	Coro::cede;	1427	$self->post_load;
1301		1428
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1429	$self->in_memory (cf::MAP_IN_MEMORY);
		1430	}
		1431
		1432	sub customise_for {
		1433	my ($self, $ob) = @_;
		1434
		1435	return find "~" . $ob->name . "/" . $self->{path}
		1436	if $self->per_player;
		1437
		1438	$self
		1439	}
		1440
		1441	# find and load all maps in the 3x3 area around a map
		1442	sub load_diag {
		1443	my ($map) = @_;
		1444
		1445	my @diag; # diagonal neighbours
		1446
		1447	for (0 .. 3) {
		1448	my $neigh = $map->tile_path ($_)
		1449	or next;
		1450	$neigh = find $neigh, $map
		1451	or next;
		1452	$neigh->load;
		1453
		1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1456	}
		1457
		1458	for (@diag) {
		1459	my $neigh = find @$_
		1460	or next;
		1461	$neigh->load;
		1462	}
1303	}	1463	}
1304		1464
1305	sub find_sync {	1465	sub find_sync {
1306	my ($path, $origin) = @_;	1466	my ($path, $origin) = @_;
1307		1467
1308	cf::sync_job { cf::map::find $path, $origin }	1468	cf::sync_job { find $path, $origin }
1309	}	1469	}
1310		1470
1311	sub do_load_sync {	1471	sub do_load_sync {
1312	my ($map) = @_;	1472	my ($map) = @_;
1313		1473
1314	cf::sync_job { $map->load };	1474	cf::sync_job { $map->load };
1315	}	1475	}
1316		1476
		1477	our %MAP_PREFETCH;
		1478	our $MAP_PREFETCHER = undef;
		1479
		1480	sub find_async {
		1481	my ($path, $origin) = @_;
		1482
		1483	$path = normalise $path, $origin && $origin->{path};
		1484
		1485	if (my $map = $cf::MAP{$path}) {
		1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1487	}
		1488
		1489	undef $MAP_PREFETCH{$path};
		1490	$MAP_PREFETCHER ||= cf::async {
		1491	while (%MAP_PREFETCH) {
		1492	for my $path (keys %MAP_PREFETCH) {
		1493	my $map = find $path
		1494	or next;
		1495	$map->load;
		1496
		1497	delete $MAP_PREFETCH{$path};
		1498	}
		1499	}
		1500	undef $MAP_PREFETCHER;
		1501	};
		1502	$MAP_PREFETCHER->prio (6);
		1503
		1504	()
		1505	}
		1506
1317	sub save {	1507	sub save {
1318	my ($self) = @_;	1508	my ($self) = @_;
1319		1509
		1510	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1511
1320	$self->{last_save} = $cf::RUNTIME;	1512	$self->{last_save} = $cf::RUNTIME;
1321		1513
1322	return unless $self->dirty;	1514	return unless $self->dirty;
1323		1515
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1516	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1517	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1518
1327	$self->{load_path} = $save;	1519	$self->{load_path} = $save;
1328		1520
1329	return if $self->{deny_save};	1521	return if $self->{deny_save};
1330		1522
1331	local $self->{last_access} = $self->last_access;#d#	1523	local $self->{last_access} = $self->last_access;#d#
1332		1524
		1525	cf::async {
		1526	$_->contr->save for $self->players;
		1527	};
		1528
1333	if ($uniq) {	1529	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1530	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1531	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1532	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1533	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1534	}
1339	}	1535	}
1340		1536
1341	sub swap_out {	1537	sub swap_out {
1342	my ($self) = @_;	1538	my ($self) = @_;
1343		1539
1344	# save first because save cedes	1540	# save first because save cedes
1345	$self->save;	1541	$self->save;
		1542
		1543	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1544
1347	return if $self->players;	1545	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1546	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1547	return if $self->{deny_save};
1350		1548
…		…
1354		1552
1355	sub reset_at {	1553	sub reset_at {
1356	my ($self) = @_;	1554	my ($self) = @_;
1357		1555
1358	# TODO: safety, remove and allow resettable per-player maps	1556	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1558	return 1e99 if $self->{deny_reset};
1361		1559
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1562
…		…
1369	my ($self) = @_;	1567	my ($self) = @_;
1370		1568
1371	$self->reset_at <= $cf::RUNTIME	1569	$self->reset_at <= $cf::RUNTIME
1372	}	1570	}
1373		1571
1374	sub unlink_save {
1375	my ($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	$self->save;
1393	}
1394
1395	sub reset {	1572	sub reset {
1396	my ($self) = @_;	1573	my ($self) = @_;
1397		1574
		1575	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1576
1398	return if $self->players;	1577	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1578	return if $self->isa ("ext::map_per_player");#d#
1400		1579
1401	warn "resetting map ", $self->path;#d#	1580	warn "resetting map ", $self->path;#d#
1402		1581
1403	delete $cf::MAP{$self->path};	1582	delete $cf::MAP{$self->path};
		1583
		1584	$self->in_memory (cf::MAP_SWAPPED);
		1585	$self->clear;
1404		1586
1405	$_->clear_links_to ($self) for values %cf::MAP;	1587	$_->clear_links_to ($self) for values %cf::MAP;
1406		1588
1407	$self->unlink_save;	1589	$self->unlink_save;
1408	$self->destroy;	1590	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1593	my $nuke_counter = "aaaa";
1412		1594
1413	sub nuke {	1595	sub nuke {
1414	my ($self) = @_;	1596	my ($self) = @_;
1415		1597
		1598	delete $cf::MAP{$self->path};
		1599
		1600	$self->unlink_save;
		1601
		1602	bless $self, "cf::map";
		1603	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1604	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1605	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1607
		1608	$cf::MAP{$self->path} = $self;
		1609
1419	$self->reset; # polite request, might not happen	1610	$self->reset; # polite request, might not happen
1420	}	1611	}
1421		1612
1422	sub customise_for {	1613	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1614
1425	if ($map->per_player) {	1615	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1616	instantiated unique items. May block.
1427	}
1428		1617
1429	$map	1618	=cut
1430	}
1431		1619
1432	sub emergency_save {	1620	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1622	or return;
1434		1623
1435	warn "enter emergency map save\n";	1624	my @paths;
1436		1625
1437	cf::sync_job {	1626	for (@$files) {
1438	warn "begin emergency map save\n";	1627	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1628	next if /\.pst$/;
		1629	next unless /^$PATH_SEP/o;
		1630
		1631	s/\.map$//;
		1632	push @paths, $_;
1440	};	1633	}
1441		1634
1442	warn "end emergency map save\n";	1635	\@paths
1443	}	1636	}
1444		1637
1445	package cf;	1638	package cf;
1446		1639
1447	=back	1640	=back
1448		1641
		1642	=head3 cf::object
		1643
		1644	=cut
		1645
		1646	package cf::object;
		1647
		1648	=over 4
		1649
		1650	=item $ob->inv_recursive
		1651
		1652	Returns the inventory of the object _and_ their inventories, recursively.
		1653
		1654	=cut
		1655
		1656	sub inv_recursive_;
		1657	sub inv_recursive_ {
		1658	map { $_, inv_recursive_ $_->inv } @_
		1659	}
		1660
		1661	sub inv_recursive {
		1662	inv_recursive_ inv $_[0]
		1663	}
		1664
		1665	package cf;
		1666
		1667	=back
1449		1668
1450	=head3 cf::object::player	1669	=head3 cf::object::player
1451		1670
1452	=over 4	1671	=over 4
1453		1672
…		…
1493		1712
1494	=item $player_object->enter_link	1713	=item $player_object->enter_link
1495		1714
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1715	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1716
1498	The player should be reaosnably safe there for short amounts of time. You	1717	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.	1718	I<MUST> call C<leave_link> as soon as possible, though.
1500		1719
		1720	Will never block.
		1721
1501	=item $player_object->leave_link ($map, $x, $y)	1722	=item $player_object->leave_link ($map, $x, $y)
1502		1723
1503	Moves the player out of the specila link map onto the given map. If the	1724	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1725	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1726	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1727	fails, to the emergency map position.
1507		1728
1508	Might block.	1729	Might block.
1509		1730
1510	=cut	1731	=cut
		1732
		1733	sub link_map {
		1734	unless ($LINK_MAP) {
		1735	$LINK_MAP = cf::map::find "{link}"
		1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
		1737	$LINK_MAP->load;
		1738	}
		1739
		1740	$LINK_MAP
		1741	}
1511		1742
1512	sub cf::object::player::enter_link {	1743	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1744	my ($self) = @_;
1514		1745
1515	$self->deactivate_recursive;	1746	$self->deactivate_recursive;
1516		1747
1517	return if $self->map == $LINK_MAP;	1748	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1749
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1751	if $self->map;
1521		1752
1522	$self->enter_map ($LINK_MAP, 20, 20);	1753	$self->enter_map ($LINK_MAP || link_map, 20, 20);
1523	}	1754	}
1524		1755
1525	sub cf::object::player::leave_link {	1756	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1757	my ($self, $map, $x, $y) = @_;
1527		1758
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1776	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1777	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1778	if $x <=0 && $y <= 0;
1548		1779
1549	$map->load;	1780	$map->load;
		1781	$map->load_diag;
1550		1782
		1783	return unless $self->contr->active;
1551	$self->activate_recursive;	1784	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1785	$self->enter_map ($map, $x, $y);
1553	}	1786	}
1554		1787
1555	cf::player->attach (	1788	cf::player->attach (
…		…
1568		1801
1569	# try to abort aborted map switching on player login :)	1802	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1803	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1804	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1805	$pl->ob->enter_link;
1573	cf::async {	1806	(async {
1574	# we need this sleep as the login has a concurrent enter_exit running	1807	# 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	1808	# and this sleep increases chances of the player not ending up in scorn
		1809	$pl->ob->reply (undef,
		1810	"There was an internal problem at your last logout, "
		1811	. "the server will try to bring you to your intended destination in a second.",
		1812	cf::NDI_RED);
1576	Coro::Timer::sleep 1;	1813	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1814	$pl->ob->leave_link;
1578	};	1815	})->prio (2);
1579	}	1816	}
1580	},	1817	},
1581	);	1818	);
1582		1819
1583	=item $player_object->goto_map ($path, $x, $y)	1820	=item $player_object->goto ($path, $x, $y)
1584		1821
1585	=cut	1822	=cut
1586		1823
1587	sub cf::object::player::goto_map {	1824	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1825	my ($self, $path, $x, $y) = @_;
1589		1826
1590	$self->enter_link;	1827	$self->enter_link;
1591		1828
1592	(cf::async {	1829	(async {
1593	$path = new cf::path $path;
1594
1595	my $map = cf::map::find $path->as_string;	1830	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1831	$map = $map->customise_for ($self) if $map;
1597		1832
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1833	# warn "entering ", $map->path, " at ($x, $y)\n"
1599	# if $map;	1834	# if $map;
1600		1835
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1837
1603	$self->leave_link ($map, $x, $y);	1838	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1839	})->prio (1);
1605	}	1840	}
1606		1841
…		…
1610		1845
1611	sub parse_random_map_params {	1846	sub parse_random_map_params {
1612	my ($spec) = @_;	1847	my ($spec) = @_;
1613		1848
1614	my $rmp = { # defaults	1849	my $rmp = { # defaults
1615	xsize => 10,	1850	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1851	ysize => (cf::rndm 15, 40),
		1852	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1853	#layout => string,
1617	};	1854	};
1618		1855
1619	for (split /\n/, $spec) {	1856	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1857	my ($k, $v) = split /\s+/, $_, 2;
1621		1858
…		…
1625	$rmp	1862	$rmp
1626	}	1863	}
1627		1864
1628	sub prepare_random_map {	1865	sub prepare_random_map {
1629	my ($exit) = @_;	1866	my ($exit) = @_;
		1867
		1868	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1869
1631	# all this does is basically replace the /! path by	1870	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1871	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1872	# that depends on the exit object
1634		1873
…		…
1643		1882
1644	$rmp->{random_seed} ||= $exit->random_seed;	1883	$rmp->{random_seed} ||= $exit->random_seed;
1645		1884
1646	my $data = cf::to_json $rmp;	1885	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1886	my $md5 = Digest::MD5::md5_hex $data;
		1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1888
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1890	aio_write $fh, 0, (length $data), $data, 0;
		1891	undef $fh;
		1892	aio_rename "$meta~", $meta;
1651		1893
1652	$exit->slaying ("?random/$md5");	1894	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1895	$exit->msg (undef);
1654	}	1896	}
1655	}	1897	}
…		…
1659		1901
1660	return unless $self->type == cf::PLAYER;	1902	return unless $self->type == cf::PLAYER;
1661		1903
1662	$self->enter_link;	1904	$self->enter_link;
1663		1905
1664	(cf::async {	1906	(async {
1665	$self->deactivate_recursive; # just to be sure	1907	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1908	unless (eval {
1667	prepare_random_map $exit	1909	prepare_random_map $exit
1668	if $exit->slaying eq "/!";	1910	if $exit->slaying eq "/!";
1669		1911
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	1912	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);	1913	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1672		1914
1673	1;	1915	1;
1674	}) {	1916	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1917	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	1918	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	1919	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1920	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1921
1680	warn "ERROR in enter_exit: $@";	1922	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1923	$self->leave_link;
1682	}	1924	}
…		…
1750	}	1992	}
1751	}	1993	}
1752	},	1994	},
1753	);	1995	);
1754		1996
1755	=item $client->coro (\&cb)	1997	=item $client->async (\&cb)
1756		1998
1757	Create a new coroutine, running the specified callback. The coroutine will	1999	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2000	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2001	or loss of connection).
1760		2002
1761	=cut	2003	=cut
1762		2004
1763	sub cf::client::coro {	2005	sub cf::client::async {
1764	my ($self, $cb) = @_;	2006	my ($self, $cb) = @_;
1765		2007
1766	my $coro = &cf::async ($cb);	2008	my $coro = &Coro::async ($cb);
1767		2009
1768	$coro->on_destroy (sub {	2010	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2011	delete $self->{_coro}{$coro+0};
1770	});	2012	});
1771		2013
…		…
1965	sub db_sync() {	2207	sub db_sync() {
1966	db_save if $dirty;	2208	db_save if $dirty;
1967	undef $dirty;	2209	undef $dirty;
1968	}	2210	}
1969		2211
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	2212	my $idle = Event->idle (
1971	db_sync;	2213	reentrant => 0,
		2214	min => 10,
		2215	max => 20,
		2216	repeat => 0,
		2217	data => WF_AUTOCANCEL,
		2218	cb => \&db_sync,
1972	});	2219	);
1973		2220
1974	sub db_dirty() {	2221	sub db_dirty() {
1975	$dirty = 1;	2222	$dirty = 1;
1976	$idle->start;	2223	$idle->start;
1977	}	2224	}
…		…
2009	local $/;	2256	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2257	*CFG = YAML::Syck::Load <$fh>;
2011		2258
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2259	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2260
		2261	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2262	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2263
2014	if (exists $CFG{mlockall}) {	2264	if (exists $CFG{mlockall}) {
2015	eval {	2265	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2266	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2267	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2268	};
2019	warn $@ if $@;	2269	warn $@ if $@;
2020	}	2270	}
2021	}	2271	}
2022		2272
2023	sub main {	2273	sub main {
2024	# we must not ever block the main coroutine	2274	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2275	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2276	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2277	(async {
2028	Event::one_event;	2278	Event::one_event;
2029	})->();	2279	})->prio (Coro::PRIO_MAX);
2030	};	2280	};
2031		2281
2032	cfg_load;	2282	cfg_load;
2033	db_load;	2283	db_load;
2034	load_extensions;	2284	load_extensions;
		2285
		2286	$TICK_WATCHER->start;
2035	Event::loop;	2287	Event::loop;
2036	}	2288	}
2037		2289
2038	#############################################################################	2290	#############################################################################
2039	# initialisation	2291	# initialisation and cleanup
		2292
		2293	# install some emergency cleanup handlers
		2294	BEGIN {
		2295	for my $signal (qw(INT HUP TERM)) {
		2296	Event->signal (
		2297	reentrant => 0,
		2298	data => WF_AUTOCANCEL,
		2299	signal => $signal,
		2300	prio => 0,
		2301	cb => sub {
		2302	cf::cleanup "SIG$signal";
		2303	},
		2304	);
		2305	}
		2306	}
		2307
		2308	sub emergency_save() {
		2309	my $freeze_guard = cf::freeze_mainloop;
		2310
		2311	warn "enter emergency perl save\n";
		2312
		2313	cf::sync_job {
		2314	# use a peculiar iteration method to avoid tripping on perl
		2315	# refcount bugs in for. also avoids problems with players
		2316	# and maps saved/destroyed asynchronously.
		2317	warn "begin emergency player save\n";
		2318	for my $login (keys %cf::PLAYER) {
		2319	my $pl = $cf::PLAYER{$login} or next;
		2320	$pl->valid or next;
		2321	$pl->save;
		2322	}
		2323	warn "end emergency player save\n";
		2324
		2325	warn "begin emergency map save\n";
		2326	for my $path (keys %cf::MAP) {
		2327	my $map = $cf::MAP{$path} or next;
		2328	$map->valid or next;
		2329	$map->save;
		2330	}
		2331	warn "end emergency map save\n";
		2332	};
		2333
		2334	warn "leave emergency perl save\n";
		2335	}
2040		2336
2041	sub reload() {	2337	sub reload() {
2042	# can/must only be called in main	2338	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2339	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2340	warn "can only reload from main coroutine";
2045	return;	2341	return;
2046	}	2342	}
2047		2343
2048	warn "reloading...";	2344	warn "reloading...";
2049		2345
2050	my $guard = freeze_mainloop;	2346	warn "cancelling server ticker";
		2347	$TICK_WATCHER->cancel;
		2348
2051	cf::emergency_save;	2349	cf::emergency_save;
2052		2350
2053	eval {	2351	eval {
2054	# if anything goes wrong in here, we should simply crash as we already saved	2352	# if anything goes wrong in here, we should simply crash as we already saved
2055		2353
2056	# cancel all watchers	2354	warn "syncing database to disk";
		2355	cf::db_sync;
		2356
		2357	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2358	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2359	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2360	}
2060		2361
		2362	warn "flushing outstanding aio requests";
		2363	for (;;) {
		2364	IO::AIO::flush;
		2365	Coro::cede;
		2366	last unless IO::AIO::nreqs;
		2367	warn "iterate...";
		2368	}
		2369
2061	# cancel all extension coros	2370	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2371	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2372	%EXT_CORO = ();
2064		2373
2065	# unload all extensions	2374	warn "removing commands";
2066	for (@exts) {	2375	%COMMAND = ();
		2376
		2377	warn "removing ext commands";
		2378	%EXTCMD = ();
		2379
		2380	warn "unloading/nuking all extensions";
		2381	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2382	warn "... unloading $pkg";
2068	unload_extension $_;	2383
		2384	if (my $cb = $pkg->can ("unload")) {
		2385	eval {
		2386	$cb->($pkg);
		2387	1
		2388	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2389	}
2070		2390
		2391	warn "... nuking $pkg";
		2392	Symbol::delete_package $pkg;
		2393	}
		2394
2071	# unload all modules loaded from $LIBDIR	2395	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2396	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2397	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2398
2075	warn "removing <$k>";	2399	warn "... unloading $k";
2076	delete $INC{$k};	2400	delete $INC{$k};
2077		2401
2078	$k =~ s/\.pm$//;	2402	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2403	$k =~ s/\//::/g;
2080		2404
…		…
2083	}	2407	}
2084		2408
2085	Symbol::delete_package $k;	2409	Symbol::delete_package $k;
2086	}	2410	}
2087		2411
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2412	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2413	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2414	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2415
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2416	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2417	delete $INC{"cf.pm"};
2101		2418
2102	# don't, removes xs symbols, too,	2419	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2420	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2421	#Symbol::delete_package __PACKAGE__;
2105		2422
2106	# reload cf.pm	2423	warn "unload completed, starting to reload now";
		2424
2107	warn "reloading cf.pm";	2425	warn "reloading cf.pm";
2108	require cf;	2426	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2427	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2428
2111	# load config and database again	2429	warn "loading config and database again";
2112	cf::cfg_load;	2430	cf::cfg_load;
2113	cf::db_load;	2431	cf::db_load;
2114		2432
2115	# load extensions
2116	warn "load extensions";	2433	warn "loading extensions";
2117	cf::load_extensions;	2434	cf::load_extensions;
2118		2435
2119	# reattach attachments to objects	2436	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_global_reattach;	2437	_global_reattach;
		2438	warn "reattaching attachments to maps";
		2439	reattach $_ for values %MAP;
		2440
		2441	warn "restarting server ticker";
		2442
		2443	$TICK_WATCHER->start;
2122	};	2444	};
2123		2445
2124	if ($@) {	2446	if ($@) {
2125	warn $@;	2447	warn $@;
2126	warn "error while reloading, exiting.";	2448	warn "error while reloading, exiting.";
2127	exit 1;	2449	exit 1;
2128	}	2450	}
2129		2451
2130	warn "reloaded successfully";	2452	warn "reloaded";
2131	};	2453	};
2132		2454
2133	#############################################################################	2455	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} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2456
2178	register_command "reload" => sub {	2457	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2458	my ($who, $arg) = @_;
2180		2459
2181	if ($who->flag (FLAG_WIZ)) {	2460	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2461	$who->message ("reloading server.");
		2462
		2463	# doing reload synchronously and two reloads happen back-to-back,
		2464	# coro crashes during coro_state_free->destroy here.
		2465
		2466	$RELOAD_WATCHER ||= Event->timer (
		2467	reentrant => 0,
		2468	after => 0,
		2469	data => WF_AUTOCANCEL,
		2470	cb => sub {
2183	reload;	2471	reload;
2184	$who->message ("end of reload.");	2472	undef $RELOAD_WATCHER;
		2473	},
		2474	);
2185	}	2475	}
2186	};	2476	};
2187		2477
2188	unshift @INC, $LIBDIR;	2478	unshift @INC, $LIBDIR;
		2479
		2480	my $bug_warning = 0;
2189		2481
2190	$TICK_WATCHER = Event->timer (	2482	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2483	reentrant => 0,
		2484	parked => 1,
2192	prio => 0,	2485	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2486	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2487	data => WF_AUTOCANCEL,
2195	cb => sub {	2488	cb => sub {
		2489	if ($Coro::current != $Coro::main) {
		2490	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2491	unless ++$bug_warning > 10;
		2492	return;
		2493	}
		2494
		2495	$NOW = Event::time;
		2496
2196	cf::server_tick; # one server iteration	2497	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2498	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2499	$NEXT_TICK += $TICK;
		2500
		2501	$WAIT_FOR_TICK->broadcast;
		2502	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2503
		2504	Event::sweep;
		2505	Coro::cede_notself;
		2506
		2507	# my $AFTER = Event::time;
		2508	# warn $AFTER - $NOW;#d#
2199		2509
2200	# if we are delayed by four ticks or more, skip them all	2510	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2511	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2512
2203	$TICK_WATCHER->at ($NEXT_TICK);	2513	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2514	$TICK_WATCHER->start;
2205	},	2515	},
2206	);	2516	);
2207		2517
2208	IO::AIO::max_poll_time $TICK * 0.2;	2518	IO::AIO::max_poll_time $TICK * 0.1;
2209		2519
2210	Event->io (	2520	undef $Coro::AIO::WATCHER;
		2521	$AIO_POLL_WATCHER = Event->io (
		2522	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2523	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2524	poll => 'r',
2213	prio => 5,	2525	prio => 6,
2214	data => WF_AUTOCANCEL,	2526	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2527	cb => \&IO::AIO::poll_cb,
2216	);	2528	);
2217		2529
2218	Event->timer (	2530	$WRITE_RUNTIME_WATCHER = Event->timer (
		2531	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2532	data => WF_AUTOCANCEL,
2220	after => 0,	2533	after => 1,
2221	interval => 10,	2534	interval => 10,
2222	cb => sub {	2535	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2536	cb => Coro::unblock_sub {
2224	write_runtime	2537	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2538	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2539	},
2228	);	2540	);
2229		2541
2230	END { cf::emergency_save }	2542	END { cf::emergency_save }
2231		2543

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