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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use BDB ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	59	our $LIBDIR = datadir . "/ext";
41		60
42	our $TICK = MAX_TIME * 1e-6;	61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	62	our $TICK_WATCHER;
		63	our $AIO_POLL_WATCHER;
		64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	65	our $NEXT_TICK;
45	our $NOW;	66	our $NOW;
		67	our $USE_FSYNC = 1; # use fsync to write maps - default off
		68
		69	our $BDB_POLL_WATCHER;
		70	our $DB_ENV;
46		71
47	our %CFG;	72	our %CFG;
48		73
49	our $UPTIME; $UPTIME ||= time;	74	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	75	our $RUNTIME;
51		76
		77	our %PLAYER; # all users
52	our %MAP; # all maps	78	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	81	our $BDB_ENV_DIR = cf::localdir . "/db";
		82
		83	# used to convert map paths into valid unix filenames by replacing / by ∕
		84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		85
57	binmode STDOUT;	86	binmode STDOUT;
58	binmode STDERR;	87	binmode STDERR;
59		88
60	# read virtual server time, if available	89	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	96	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
72		102
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
76		106
77	#############################################################################	107	#############################################################################
78		108
79	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
80		110
…		…
104		134
105	=item %cf::CFG	135	=item %cf::CFG
106		136
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	138	from wherever your confdir points to.
		139
		140	=item cf::wait_for_tick, cf::wait_for_tick_begin
		141
		142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		143	returns directly I<after> the tick processing (and consequently, can only wake one process
		144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		145
110	=back	146	=back
111		147
112	=cut	148	=cut
113		149
114	BEGIN {	150	BEGIN {
115	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	152	my $msg = join "", @_;
117	utf8::encode $msg;
118		153
119	$msg .= "\n"	154	$msg .= "\n"
120	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
121		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		224
184	=item cf::lock_wait $string	225	=item cf::lock_wait $string
185		226
186	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
187		228
…		…
224	}	265	}
225		266
226	sub freeze_mainloop {	267	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
228		269
229	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
230	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
231	$guard	274	$guard
232	}	275	}
233		276
234	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	316	warn $@ if $@;
274	undef $busy;	317	undef $busy;
275	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
276		319
277	while ($busy) {	320	while ($busy) {
278	unless (Coro::cede) {	321	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	322	}
283		323
284	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
285	} else {	325	} else {
286	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	329	}
290	}	330	}
291		331
292	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
293		333
294	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	335	extension calling this is being unloaded.
296		336
297	=cut	337	=cut
298		338
299	sub async_ext(&) {	339	sub async_ext(&) {
…		…
308		348
309	$coro	349	$coro
310	}	350	}
311		351
312	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
313	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
314		356
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	358	or return;
317		359
		360	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	365	and return;
321		366
		367	# always fsync - this file is important
322	aio_fsync $fh	368	aio_fsync $fh
323	and return;	369	and return;
324		370
325	close $fh	371	close $fh
326	or return;	372	or return;
…		…
329	and return;	375	and return;
330		376
331	1	377	1
332	}	378	}
333		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
334	=back	391	=back
335		392
336	=cut	393	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		394
458	#############################################################################	395	#############################################################################
459		396
460	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
461		398
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	525	our @CB_MAP = ();
589		526
590	my %attachment;	527	my %attachment;
591		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
592	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
594		537
595	use sort 'stable';	538	use sort 'stable';
596		539
…		…
767	# object support	710	# object support
768		711
769	sub reattach {	712	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		717
773	my $registry = $obj->registry;	718	my $registry = $obj->registry;
774		719
775	@$registry = ();	720	@$registry = ();
776		721
…		…
823	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
824		769
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	774	close $fh;
830		775
831	if (@$objs) {	776	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	782	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
839	}	784	}
840	} else {	785	} else {
841	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
908	=cut	853	=cut
909		854
910	sub register_extcmd {	855	sub register_extcmd {
911	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
912		857
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
917	}	859	}
918		860
919	cf::player->attach (	861	cf::player->attach (
920	on_command => sub {	862	on_command => sub {
921	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
934		876
935	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
936		878
937	if (ref $msg) {	879	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	883	}
942	}	884	}
943	} else {	885	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		888
947	cf::override;	889	cf::override;
948	},	890	},
949	);	891	);
950		892
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	893	sub load_extension {
958	my ($path) = @_;	894	my ($path) = @_;
959		895
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	897	my $base = $1;
962	my $pkg = $1;	898	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
965		901
966	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
967		903
968	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
969	or die "$path: $!";	905	or die "$path: $!";
970		906
971	my $source =	907	my $source =
972	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
975	. "\n};\n1";	911	. "\n};\n1";
976		912
977	eval $source	913	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	915	: "extension disabled.\n";
980		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	917	warn $@;
982	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
983		919	exit 1;
984	# no strict 'refs';	920	}
985	# @{"$pkg\::ISA"} = ext::;	921	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	922	}
1000		923
1001	# remove commands	924	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	925	}
1026		926
1027	sub load_extensions {	927	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	929	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1034	}	934	}
1035	}	935	}
1036		936
1037	#############################################################################	937	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		938
1075	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1076		940
1077	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1078		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1079	=head3 cf::player	949	=head3 cf::player
1080		950
1081	=over 4	951	=over 4
1082		952
1083	=item cf::player::exists $login	953	=item cf::player::find $login
1084		954
1085	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1086		956
1087	=cut	957	=cut
1088		958
1089	sub cf::player::exists($) {	959	sub playerdir($) {
1090	cf::player::find $_[0]	960	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	965	}
1093		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1095		1139
1096	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1097		1141
1098	=cut	1142	=cut
1099		1143
1100	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1101	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1102		1146
1103	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1104		1148
1105	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1106	}	1191	}
1107		1192
1108	=back	1193	=back
1109
1110		1194
1111	=head3 cf::map	1195	=head3 cf::map
1112		1196
1113	=over 4	1197	=over 4
1114		1198
…		…
1117	package cf::map;	1201	package cf::map;
1118		1202
1119	use Fcntl;	1203	use Fcntl;
1120	use Coro::AIO;	1204	use Coro::AIO;
1121		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1122	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1124		1212
1125	sub generate_random_map {	1213	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1216	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1358	}
1143		1359
1144	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1145	# all maps in C++...	1361	# all maps in C++...
1146	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1148		1364
1149	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1151	}	1367	}
1152		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1153	sub try_load_header($) {	1377	sub load_header_from($) {
1154	my ($path) = @_;	1378	my ($self, $path) = @_;
1155		1379
1156	utf8::encode $path;	1380	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1158	or return;	1385	or return;
1159		1386
1160	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1161	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1162		1433
1163	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1164	$map->path ($path);	1435	unless $self->default_region;
1165		1436
1166	$map->load_header ($path)	1437	1
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1438	}
1173		1439
1174	sub find;	1440	sub find;
1175	sub find {	1441	sub find {
1176	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1177		1443
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1445
1183	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1184		1447
1185	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1187		1450	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1451	or return;
1207		1452
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1220		1454
1221	Coro::cede;	1455	$map->load_header
		1456	or return;
1222		1457
1223	if ($map->should_reset) {	1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1461	$map->reset;
1225	undef $guard;	1462	undef $guard;
1226	$map = find $path	1463	return find $path;
1227	or return;
1228	}	1464	}
1229		1465
1230	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1231	}	1467	}
1232	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1233		1472
1234	sub load {	1473	sub load {
1235	my ($self) = @_;	1474	my ($self) = @_;
1236		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1237	my $path = $self->{path};	1478	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1239		1480
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1482
1242	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1243		1484
1244	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1245	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1491	or return;
1247		1492
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1494	if delete $self->{load_original};
1250		1495
1251	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1497	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1499	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1256	}	1501	}
1257	}	1502	}
1258		1503
1259	Coro::cede;	1504	Coro::cede;
1260
1261	# now do the right thing for maps	1505	# now do the right thing for maps
1262	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1263		1508
1264	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1510	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1271	$self->set_darkness_map;	1514	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1274	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1275	}	1520	}
1276		1521
		1522	$self->post_load;
1277	Coro::cede;	1523	Coro::cede;
1278		1524
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1525	$self->in_memory (cf::MAP_IN_MEMORY);
		1526	}
		1527
		1528	sub customise_for {
		1529	my ($self, $ob) = @_;
		1530
		1531	return find "~" . $ob->name . "/" . $self->{path}
		1532	if $self->per_player;
		1533
		1534	$self
		1535	}
		1536
		1537	# find and load all maps in the 3x3 area around a map
		1538	sub load_diag {
		1539	my ($map) = @_;
		1540
		1541	my @diag; # diagonal neighbours
		1542
		1543	for (0 .. 3) {
		1544	my $neigh = $map->tile_path ($_)
		1545	or next;
		1546	$neigh = find $neigh, $map
		1547	or next;
		1548	$neigh->load;
		1549
		1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1552	}
		1553
		1554	for (@diag) {
		1555	my $neigh = find @$_
		1556	or next;
		1557	$neigh->load;
		1558	}
1280	}	1559	}
1281		1560
1282	sub find_sync {	1561	sub find_sync {
1283	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1284		1563
1285	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1286	}	1565	}
1287		1566
1288	sub do_load_sync {	1567	sub do_load_sync {
1289	my ($map) = @_;	1568	my ($map) = @_;
1290		1569
1291	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1292	}	1571	}
1293		1572
		1573	our %MAP_PREFETCH;
		1574	our $MAP_PREFETCHER = undef;
		1575
		1576	sub find_async {
		1577	my ($path, $origin) = @_;
		1578
		1579	$path = normalise $path, $origin && $origin->{path};
		1580
		1581	if (my $map = $cf::MAP{$path}) {
		1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1583	}
		1584
		1585	undef $MAP_PREFETCH{$path};
		1586	$MAP_PREFETCHER ||= cf::async {
		1587	while (%MAP_PREFETCH) {
		1588	for my $path (keys %MAP_PREFETCH) {
		1589	my $map = find $path
		1590	or next;
		1591	$map->load;
		1592
		1593	delete $MAP_PREFETCH{$path};
		1594	}
		1595	}
		1596	undef $MAP_PREFETCHER;
		1597	};
		1598	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1294	sub save {	1603	sub save {
1295	my ($self) = @_;	1604	my ($self) = @_;
1296		1605
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1607
1299	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1300		1609
1301	return unless $self->dirty;	1610	return unless $self->dirty;
1302		1611
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1614
1306	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1307		1616
1308	return if $self->{deny_save};	1617	return if $self->{deny_save};
1309		1618
1310	local $self->{last_access} = $self->last_access;#d#	1619	local $self->{last_access} = $self->last_access;#d#
1311		1620
		1621	cf::async {
		1622	$_->contr->save for $self->players;
		1623	};
		1624
1312	if ($uniq) {	1625	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1628	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1630	}
1318	}	1631	}
1319		1632
1320	sub swap_out {	1633	sub swap_out {
1321	my ($self) = @_;	1634	my ($self) = @_;
…		…
1335		1648
1336	sub reset_at {	1649	sub reset_at {
1337	my ($self) = @_;	1650	my ($self) = @_;
1338		1651
1339	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1342		1655
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1658
…		…
1350	my ($self) = @_;	1663	my ($self) = @_;
1351		1664
1352	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1353	}	1666	}
1354		1667
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1668	sub reset {
1377	my ($self) = @_;	1669	my ($self) = @_;
1378		1670
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1672
1381	return if $self->players;	1673	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1383		1675
1384	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1385		1677
		1678	$self->in_memory (cf::MAP_SWAPPED);
		1679
		1680	# need to save uniques path
		1681	unless ($self->{deny_save}) {
		1682	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1683
		1684	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1685	if $uniq;
		1686	}
		1687
1386	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1387		1691
1388	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1389		1693
1390	$self->unlink_save;	1694	$self->unlink_save;
1391	$self->destroy;	1695	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1395		1699
1396	sub nuke {	1700	sub nuke {
1397	my ($self) = @_;	1701	my ($self) = @_;
1398		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1402	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1403	}	1716	}
1404		1717
1405	sub customise_for {	1718	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1719
1408	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1410	}
1411		1722
1412	$map	1723	=cut
1413	}
1414		1724
1415	sub emergency_save {	1725	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1417		1728
1418	warn "enter emergency map save\n";	1729	my @paths;
1419		1730
1420	cf::sync_job {	1731	for (@$files) {
1421	warn "begin emergency map save\n";	1732	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1733	next if /\.pst$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise $_;
1423	};	1737	}
1424		1738
1425	warn "end emergency map save\n";	1739	\@paths
1426	}	1740	}
1427		1741
1428	package cf;	1742	package cf;
1429		1743
1430	=back	1744	=back
1431		1745
		1746	=head3 cf::object
		1747
		1748	=cut
		1749
		1750	package cf::object;
		1751
		1752	=over 4
		1753
		1754	=item $ob->inv_recursive
		1755
		1756	Returns the inventory of the object _and_ their inventories, recursively.
		1757
		1758	=cut
		1759
		1760	sub inv_recursive_;
		1761	sub inv_recursive_ {
		1762	map { $_, inv_recursive_ $_->inv } @_
		1763	}
		1764
		1765	sub inv_recursive {
		1766	inv_recursive_ inv $_[0]
		1767	}
		1768
		1769	package cf;
		1770
		1771	=back
1432		1772
1433	=head3 cf::object::player	1773	=head3 cf::object::player
1434		1774
1435	=over 4	1775	=over 4
1436		1776
…		…
1476		1816
1477	=item $player_object->enter_link	1817	=item $player_object->enter_link
1478		1818
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1819	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1820
1481	The player should be reaosnably safe there for short amounts of time. You	1821	The player should be reasonably safe there for short amounts of time. You
1482	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1483		1823
		1824	Will never block.
		1825
1484	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1485		1827
1486	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1831	fails, to the emergency map position.
1490		1832
1491	Might block.	1833	Might block.
1492		1834
1493	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($LINK_MAP) {
		1839	$LINK_MAP = cf::map::find "{link}"
		1840	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1841	$LINK_MAP->load;
		1842	}
		1843
		1844	$LINK_MAP
		1845	}
1494		1846
1495	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1848	my ($self) = @_;
1497		1849
1498	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1499		1851
1500	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1853
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1855	if $self->map;
1504		1856
1505	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1858	}
1507		1859
1508	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1510		1862
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1531		1883
1532	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1533		1886
		1887	return unless $self->contr->active;
1534	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1536	}	1892	}
1537		1893
1538	cf::player->attach (	1894	cf::player->attach (
1539	on_logout => sub {	1895	on_logout => sub {
…		…
1550	my ($pl) = @_;	1906	my ($pl) = @_;
1551		1907
1552	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1909	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1557	(async {	1912	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1915	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1916	cf::NDI_RED);
		1917	# we need this sleep as the login has a concurrent enter_exit running
		1918	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1566	})->prio (2);	1921	})->prio (2);
1567	}	1922	}
1568	},	1923	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1577		1932
1578	$self->enter_link;	1933	$self->enter_link;
1579		1934
1580	(async {	1935	(async {
1581	$path = new cf::path $path;	1936	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1585		1939	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1942
1591	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1944	})->prio (1);
1593	}	1945	}
1594		1946
…		…
1598		1950
1599	sub parse_random_map_params {	1951	sub parse_random_map_params {
1600	my ($spec) = @_;	1952	my ($spec) = @_;
1601		1953
1602	my $rmp = { # defaults	1954	my $rmp = { # defaults
1603	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1605	};	1959	};
1606		1960
1607	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1609		1963
…		…
1613	$rmp	1967	$rmp
1614	}	1968	}
1615		1969
1616	sub prepare_random_map {	1970	sub prepare_random_map {
1617	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1974
1619	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1977	# that depends on the exit object
1622		1978
1623	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1624		1980
1625	if ($exit->map) {	1981	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1630	}	1986	}
1631		1987
1632	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1633		1989
1634	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1993
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1995	aio_write $fh, 0, (length $data), $data, 0;
		1996	undef $fh;
		1997	aio_rename "$meta~", $meta;
1639		1998
1640	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	2000	$exit->msg (undef);
1642	}	2001	}
1643	}	2002	}
1644		2003
1645	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1647		2006
1648	return unless $self->type == cf::PLAYER;	2007	return unless $self->type == cf::PLAYER;
		2008
		2009	if ($exit->slaying eq "/!") {
		2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2011	# the problem is that $exit might not survive long enough
		2012	# so it needs to be done right now, right here
		2013	cf::sync_job { prepare_random_map $exit };
		2014	}
		2015
		2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2017	my $hp = $exit->stats->hp;
		2018	my $sp = $exit->stats->sp;
1649		2019
1650	$self->enter_link;	2020	$self->enter_link;
1651		2021
1652	(async {	2022	(async {
1653	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	2024	unless (eval {
1655	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		2026
1661	1;	2027	1;
1662	}) {	2028	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	2030	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2033
1668	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2035	$self->leave_link;
1670	}	2036	}
1671	})->prio (1);	2037	})->prio (1);
…		…
1684		2050
1685	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1687		2053
1688	utf8::encode $text;	2054	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2056	}
1691		2057
		2058	=item $client->ext_event ($type, %msg)
		2059
		2060	Sends an exti event to the client.
		2061
		2062	=cut
		2063
		2064	sub cf::client::ext_event($$%) {
		2065	my ($self, $type, %msg) = @_;
		2066
		2067	$msg{msgtype} = "event_$type";
		2068	$self->send_packet ("ext " . cf::to_json \%msg);
		2069	}
1692		2070
1693	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1694		2072
1695	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1725	# get handled first	2103	# get handled first
1726	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2105	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2106
1729	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2109
1731	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1732		2111
1733	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2113	if (@$queue) {
…		…
1792		2171
1793	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1794		2173
1795	=pod	2174	=pod
1796		2175
1797	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1798		2177
1799	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1800	cf::object::player player	2179	cf::object::player player
1801	cf::player peaceful	2180	cf::player peaceful
1802	cf::map trigger	2181	cf::map trigger
…		…
1887	#############################################################################	2266	#############################################################################
1888		2267
1889	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1890		2269
1891	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1892	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1893	excludes objects.	2272	convert to/from binary).
1894		2273
1895	The parameter C<$family> should best start with the name of the extension	2274	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2275	using it, it should be unique.
1897		2276
1898	=over 4	2277	=over 4
1899		2278
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1907		2280
1908	Returns a single value from the database	2281	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2282
1915	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1916		2284
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2286
1928	=cut	2287	=cut
1929		2288
1930	our $DB;	2289	our $DB;
1931		2290
1932	{	2291	sub db_init {
1933	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
1934		2294
1935	sub db_load() {	2295	cf::sync_job {
1936	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
1937	}	2297	$DB->set_flags (BDB::CHKSUM);
1938		2298
1939	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1940		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1941	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
1942	waitpid $pid, 0 if $pid;	2302	};
1943	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2304	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	2305	}
		2306	}
1961		2307
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {	2308	sub db_get($$) {
1968	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
1973	sub db_put($$;$) {	2319	sub db_put($$$) {
1974	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
1975	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1976	} else {	2322	}
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981		2323
1982	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
1983	prio => 10000,	2325
1984	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
1985	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($id, $src, $processversion, $process) = @_;
		2335
		2336	my $meta =
		2337	join "\x00",
		2338	$processversion,
		2339	map {
		2340	aio_stat $_
		2341	and Carp::croak "$_: $!";
		2342
		2343	($_, (stat _)[7,9])
		2344	} @$src;
		2345
		2346	my $dbmeta = db_get cache => "$id/meta";
		2347	if ($dbmeta ne $meta) {
		2348	# changed, we may need to process
		2349
		2350	my @data;
		2351	my $md5;
		2352
		2353	for (0 .. $#$src) {
		2354	0 <= aio_load $src->[$_], $data[$_]
		2355	or Carp::croak "$src->[$_]: $!";
1986	},	2356	}
1987	);	2357
		2358	# if processing is expensive, check
		2359	# checksum first
		2360	if (1) {
		2361	$md5 =
		2362	join "\x00",
		2363	$processversion,
		2364	map {
		2365	Coro::cede;
		2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2367	} 0.. $#$src;
		2368
		2369
		2370	my $dbmd5 = db_get cache => "$id/md5";
		2371	if ($dbmd5 eq $md5) {
		2372	db_put cache => "$id/meta", $meta;
		2373
		2374	return db_get cache => "$id/data";
		2375	}
		2376	}
		2377
		2378	my $data = $process->(\@data);
		2379
		2380	db_put cache => "$id/data", $data;
		2381	db_put cache => "$id/md5" , $md5;
		2382	db_put cache => "$id/meta", $meta;
		2383
		2384	return $data;
		2385	}
		2386
		2387	db_get cache => "$id/data"
1988	}	2388	}
		2389
		2390	=item fork_call { }, $args
		2391
		2392	Executes the given code block with the given arguments in a seperate
		2393	process, returning the results. Everything must be serialisable with
		2394	Coro::Storable. May, of course, block. Note that the executed sub may
		2395	never block itself or use any form of Event handling.
		2396
		2397	=cut
		2398
		2399	sub fork_call(&@) {
		2400	my ($cb, @args) = @_;
		2401
		2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2403	# or die "socketpair: $!";
		2404	pipe my $fh1, my $fh2
		2405	or die "pipe: $!";
		2406
		2407	if (my $pid = fork) {
		2408	close $fh2;
		2409
		2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2411	$res = Coro::Storable::thaw $res;
		2412
		2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2414
		2415	die $$res unless "ARRAY" eq ref $res;
		2416
		2417	return wantarray ? @$res : $res->[-1];
		2418	} else {
		2419	eval {
		2420	local $SIG{__DIE__};
		2421	local $SIG{__WARN__};
		2422	close $fh1;
		2423
		2424	my @res = eval { $cb->(@args) };
		2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
1989		2433
1990	#############################################################################	2434	#############################################################################
1991	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		2438	my ($path) = @_;
		2439
		2440	warn "loading facedata from $path\n";
		2441
		2442	my $facedata;
		2443	0 < aio_load $path, $facedata
		2444	or die "$path: $!";
		2445
		2446	$facedata = Coro::Storable::thaw $facedata;
		2447
		2448	$facedata->{version} == 2
		2449	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2450
		2451	{
		2452	my $faces = $facedata->{faceinfo};
		2453
		2454	while (my ($face, $info) = each %$faces) {
		2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2459	Coro::cede;
		2460	}
		2461
		2462	while (my ($face, $info) = each %$faces) {
		2463	next unless $info->{smooth};
		2464	my $idx = cf::face::find $face
		2465	or next;
		2466	if (my $smooth = cf::face::find $info->{smooth}) {
		2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2468	} else {
		2469	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2470	}
		2471	Coro::cede;
		2472	}
		2473	}
		2474
		2475	{
		2476	my $anims = $facedata->{animinfo};
		2477
		2478	while (my ($anim, $info) = each %$anims) {
		2479	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2480	Coro::cede;
		2481	}
		2482
		2483	cf::anim::invalidate_all; # d'oh
		2484	}
		2485
		2486	1
		2487	}
		2488
		2489	sub reload_facedata {
		2490	load_facedata sprintf "%s/facedata", cf::datadir
		2491	or die "unable to load facedata\n";
		2492	}
		2493
		2494	sub reload_regions {
		2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2496	or die "unable to load regions file\n";
		2497	}
		2498
		2499	sub reload_archetypes {
		2500	load_resource_file sprintf "%s/archetypes", cf::datadir
		2501	or die "unable to load archetypes\n";
		2502	}
		2503
		2504	sub reload_treasures {
		2505	load_resource_file sprintf "%s/treasures", cf::datadir
		2506	or die "unable to load treasurelists\n";
		2507	}
		2508
		2509	sub reload_resources {
		2510	warn "reloading resource files...\n";
		2511
		2512	reload_regions;
		2513	reload_facedata;
		2514	reload_archetypes;
		2515	reload_treasures;
		2516
		2517	warn "finished reloading resource files\n";
		2518	}
		2519
		2520	sub init {
		2521	reload_resources;
		2522	}
1992		2523
1993	sub cfg_load {	2524	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2526	or return;
1996		2527
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2533	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2534	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2535
2005	if (exists $CFG{mlockall}) {	2536	if (exists $CFG{mlockall}) {
2006	eval {	2537	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2539	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2540	};
2010	warn $@ if $@;	2541	warn $@ if $@;
2011	}	2542	}
2012	}	2543	}
2013		2544
2014	sub main {	2545	sub main {
2015	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2549	(async {
2018	async { Event::one_event };	2550	Event::one_event;
		2551	})->prio (Coro::PRIO_MAX);
2019	};	2552	};
2020		2553
2021	cfg_load;	2554	cfg_load;
2022	db_load;	2555	db_init;
2023	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2024	Event::loop;	2559	Event::loop;
2025	}	2560	}
2026		2561
2027	#############################################################################	2562	#############################################################################
2028	# initialisation	2563	# initialisation and cleanup
2029		2564
		2565	# install some emergency cleanup handlers
		2566	BEGIN {
		2567	for my $signal (qw(INT HUP TERM)) {
		2568	Event->signal (
		2569	reentrant => 0,
		2570	data => WF_AUTOCANCEL,
		2571	signal => $signal,
		2572	prio => 0,
		2573	cb => sub {
		2574	cf::cleanup "SIG$signal";
		2575	},
		2576	);
		2577	}
		2578	}
		2579
		2580	sub emergency_save() {
		2581	my $freeze_guard = cf::freeze_mainloop;
		2582
		2583	warn "enter emergency perl save\n";
		2584
		2585	cf::sync_job {
		2586	# use a peculiar iteration method to avoid tripping on perl
		2587	# refcount bugs in for. also avoids problems with players
		2588	# and maps saved/destroyed asynchronously.
		2589	warn "begin emergency player save\n";
		2590	for my $login (keys %cf::PLAYER) {
		2591	my $pl = $cf::PLAYER{$login} or next;
		2592	$pl->valid or next;
		2593	$pl->save;
		2594	}
		2595	warn "end emergency player save\n";
		2596
		2597	warn "begin emergency map save\n";
		2598	for my $path (keys %cf::MAP) {
		2599	my $map = $cf::MAP{$path} or next;
		2600	$map->valid or next;
		2601	$map->save;
		2602	}
		2603	warn "end emergency map save\n";
		2604
		2605	warn "begin emergency database checkpoint\n";
		2606	BDB::db_env_txn_checkpoint $DB_ENV;
		2607	warn "end emergency database checkpoint\n";
		2608	};
		2609
		2610	warn "leave emergency perl save\n";
		2611	}
		2612
		2613	sub post_cleanup {
		2614	my ($make_core) = @_;
		2615
		2616	warn Carp::longmess "post_cleanup backtrace"
		2617	if $make_core;
		2618	}
		2619
2030	sub reload() {	2620	sub do_reload_perl() {
2031	# can/must only be called in main	2621	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2034	return;	2624	return;
2035	}	2625	}
2036		2626
2037	warn "reloading...";	2627	warn "reloading...";
2038		2628
2039	my $guard = freeze_mainloop;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2041		2635
2042	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2043	# if anything goes wrong in here, we should simply crash as we already saved	2639	# if anything goes wrong in here, we should simply crash as we already saved
2044		2640
2045	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2644	}
2049		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2050	# cancel all extension coros	2657	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2659	%EXT_CORO = ();
2053		2660
2054	# unload all extensions	2661	warn "removing commands";
2055	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2669	warn "... unloading $pkg";
2057	unload_extension $_;	2670
		2671	if (my $cb = $pkg->can ("unload")) {
		2672	eval {
		2673	$cb->($pkg);
		2674	1
		2675	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2676	}
2059		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
2060	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2685
2064	warn "removing <$k>";	2686	warn "... unloading $k";
2065	delete $INC{$k};	2687	delete $INC{$k};
2066		2688
2067	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2069		2691
…		…
2072	}	2694	}
2073		2695
2074	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2075	}	2697	}
2076		2698
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2702
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2090		2705
2091	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2707	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2094		2709
2095	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
2096	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2097	require cf;	2713	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2715
2100	# load config and database again	2716	warn "loading config and database again";
2101	cf::cfg_load;	2717	cf::cfg_load;
2102	cf::db_load;
2103		2718
2104	# load extensions
2105	warn "load extensions";	2719	warn "loading extensions";
2106	cf::load_extensions;	2720	cf::load_extensions;
2107		2721
2108	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2723	_global_reattach; # objects, sockets
2110	_global_reattach;	2724	warn "reattaching attachments to maps";
2111	};	2725	reattach $_ for values %MAP;
		2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2112		2728
2113	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2114	warn $@;	2733	warn $@;
2115	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2116	exit 1;	2735	exit 1;
2117	}	2736	};
2118		2737
2119	warn "reloaded successfully";	2738	warn "reloaded";
2120	};	2739	};
2121		2740
2122	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2123		2742
2124	unless ($LINK_MAP) {	2743	sub reload_perl() {
2125	$LINK_MAP = cf::map::new;	2744	# doing reload synchronously and two reloads happen back-to-back,
		2745	# coro crashes during coro_state_free->destroy here.
2126		2746
2127	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2128	$LINK_MAP->height (41);	2748	reentrant => 0,
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2137	cb => sub {	2751	cb => sub {
2138	$_[0]->w->cancel;	2752	do_reload_perl;
2139		2753	undef $RELOAD_WATCHER;
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});	2754	},
2158		2755	);
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	2756	}
2164
2165	register "<global>", __PACKAGE__;
2166		2757
2167	register_command "reload" => sub {	2758	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2169		2760
2170	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2174	}	2764	}
2175	};	2765	};
2176		2766
2177	unshift @INC, $LIBDIR;	2767	unshift @INC, $LIBDIR;
		2768
		2769	my $bug_warning = 0;
		2770
		2771	our @WAIT_FOR_TICK;
		2772	our @WAIT_FOR_TICK_BEGIN;
		2773
		2774	sub wait_for_tick {
		2775	return unless $TICK_WATCHER->is_active;
		2776	return if $Coro::current == $Coro::main;
		2777
		2778	my $signal = new Coro::Signal;
		2779	push @WAIT_FOR_TICK, $signal;
		2780	$signal->wait;
		2781	}
		2782
		2783	sub wait_for_tick_begin {
		2784	return unless $TICK_WATCHER->is_active;
		2785	return if $Coro::current == $Coro::main;
		2786
		2787	my $signal = new Coro::Signal;
		2788	push @WAIT_FOR_TICK_BEGIN, $signal;
		2789	$signal->wait;
		2790	}
2178		2791
2179	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2181	prio => 0,	2795	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2184	cb => sub {	2798	cb => sub {
		2799	if ($Coro::current != $Coro::main) {
		2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2801	unless ++$bug_warning > 10;
		2802	return;
		2803	}
		2804
		2805	$NOW = Event::time;
		2806
2185	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2186	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2188		2811
		2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2813	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2814	Coro::async_pool {
		2815	write_runtime
		2816	or warn "ERROR: unable to write runtime file: $!";
		2817	};
		2818	}
		2819
		2820	# my $AFTER = Event::time;
		2821	# warn $AFTER - $NOW;#d#
		2822
2189	# if we are delayed by four ticks or more, skip them all	2823	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2825
2192	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2827	$TICK_WATCHER->start;
		2828
		2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2830	$sig->send;
		2831	}
		2832	while (my $sig = shift @WAIT_FOR_TICK) {
		2833	$sig->send;
		2834	}
		2835
		2836	_post_tick;
2194	},	2837	},
2195	);	2838	);
2196		2839
		2840	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2198		2842	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2843	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2201	poll => 'r',	2845	poll => 'r',
2202	prio => 5,	2846	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2209	after => 0,	2848	cb => \&BDB::poll_cb,
2210	interval => 10,	2849	);
2211	cb => sub {	2850	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2851
2213	write_runtime	2852	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2853	my $status;
		2854	my $current = $Coro::current;
		2855	(
		2856	sub {
		2857	$status = $!;
		2858	$current->ready; undef $current;
		2859	},
		2860	sub {
		2861	Coro::schedule while defined $current;
		2862	$! = $status;
		2863	},
		2864	)
		2865	};
		2866
		2867	unless ($DB_ENV) {
		2868	$DB_ENV = BDB::db_env_create;
		2869
		2870	cf::sync_job {
		2871	eval {
		2872	BDB::db_env_open
		2873	$DB_ENV,
		2874	$BDB_ENV_DIR,
		2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2877	0666;
		2878
		2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2880
		2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2882	$DB_ENV->set_lk_detect;
		2883	};
		2884
		2885	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2886	};
2216	},	2887	}
2217	);	2888	}
		2889
		2890	{
		2891	IO::AIO::min_parallel 8;
		2892
		2893	undef $Coro::AIO::WATCHER;
		2894	IO::AIO::max_poll_time $TICK * 0.1;
		2895	$AIO_POLL_WATCHER = Event->io (
		2896	reentrant => 0,
		2897	data => WF_AUTOCANCEL,
		2898	fd => IO::AIO::poll_fileno,
		2899	poll => 'r',
		2900	prio => 6,
		2901	cb => \&IO::AIO::poll_cb,
		2902	);
		2903	}
		2904
		2905	# load additional modules
		2906	use cf::pod;
2218		2907
2219	END { cf::emergency_save }	2908	END { cf::emergency_save }
2220		2909
2221	1	2910	1
2222		2911

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