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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 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
52	our %PLAYER; # all users	77	our %PLAYER; # all users
53	our %MAP; # all maps	78	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	79	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	80	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO; # coroutines bound to extensions	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
57		85
58	binmode STDOUT;	86	binmode STDOUT;
59	binmode STDERR;	87	binmode STDERR;
60		88
61	# read virtual server time, if available	89	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	96	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	97	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	98	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	99	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	100	mkdir $RANDOM_MAPS;
		101	mkdir $BDB_ENV_DIR;
73		102
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	103	our $EMERGENCY_POSITION;
		104
		105	sub cf::map::normalise;
77		106
78	#############################################################################	107	#############################################################################
79		108
80	=head2 GLOBAL VARIABLES	109	=head2 GLOBAL VARIABLES
81		110
…		…
105		134
106	=item %cf::CFG	135	=item %cf::CFG
107		136
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	137	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
115	BEGIN {	150	BEGIN {
116	*CORE::GLOBAL::warn = sub {	151	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	152	my $msg = join "", @_;
118	utf8::encode $msg;
119		153
120	$msg .= "\n"	154	$msg .= "\n"
121	unless $msg =~ /\n$/;	155	unless $msg =~ /\n$/;
122		156
		157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		158
		159	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
124	};	161	};
125	}	162	}
126		163
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		183
147	$Event::DIED = sub {	184	$Event::DIED = sub {
148	warn "error in event callback: @_";	185	warn "error in event callback: @_";
149	};	186	};
150		187
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
156		189
157	=over 4	190	=over 4
158		191
159	=cut	192	=item dumpval $ref
160		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
161	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
162		216
163	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
164		218
165	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
166		220
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
175		222
176	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		224
185	=item cf::lock_wait $string	225	=item cf::lock_wait $string
186		226
187	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
188		228
…		…
225	}	265	}
226		266
227	sub freeze_mainloop {	267	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
229		269
230	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
231	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
232	$guard	274	$guard
233	}	275	}
234		276
235	=item cf::async { BLOCK }	277	=item cf::async { BLOCK }
…		…
287	}	329	}
288	}	330	}
289		331
290	=item $coro = cf::async_ext { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
291		333
292	Like async, but this coro is automcatially being canceled when the	334	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	335	extension calling this is being unloaded.
294		336
295	=cut	337	=cut
296		338
297	sub async_ext(&) {	339	sub async_ext(&) {
…		…
306		348
307	$coro	349	$coro
308	}	350	}
309		351
310	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
311	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
312		356
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	358	or return;
315		359
		360	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	365	and return;
319		366
		367	# always fsync - this file is important
320	aio_fsync $fh	368	aio_fsync $fh
321	and return;	369	and return;
322		370
323	close $fh	371	close $fh
324	or return;	372	or return;
…		…
327	and return;	375	and return;
328		376
329	1	377	1
330	}	378	}
331		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
332	=back	391	=back
333		392
334	=cut	393	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		394
456	#############################################################################	395	#############################################################################
457		396
458	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
459		398
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	525	our @CB_MAP = ();
587		526
588	my %attachment;	527	my %attachment;
589		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
590	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
592		537
593	use sort 'stable';	538	use sort 'stable';
594		539
…		…
765	# object support	710	# object support
766		711
767	sub reattach {	712	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		717
771	my $registry = $obj->registry;	718	my $registry = $obj->registry;
772		719
773	@$registry = ();	720	@$registry = ();
774		721
…		…
821	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
822		769
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	774	close $fh;
828		775
829	if (@$objs) {	776	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	782	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
837	}	784	}
838	} else {	785	} else {
839	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
906	=cut	853	=cut
907		854
908	sub register_extcmd {	855	sub register_extcmd {
909	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
910		857
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
915	}	859	}
916		860
917	cf::player->attach (	861	cf::player->attach (
918	on_command => sub {	862	on_command => sub {
919	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
932		876
933	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
934		878
935	if (ref $msg) {	879	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	883	}
940	}	884	}
941	} else {	885	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		888
945	cf::override;	889	cf::override;
946	},	890	},
947	);	891	);
948		892
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	893	sub load_extension {
956	my ($path) = @_;	894	my ($path) = @_;
957		895
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	897	my $base = $1;
960	my $pkg = $1;	898	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
963		901
964	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
965		903
966	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
967	or die "$path: $!";	905	or die "$path: $!";
968		906
969	my $source =	907	my $source =
970	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
973	. "\n};\n1";	911	. "\n};\n1";
974		912
975	eval $source	913	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	915	: "extension disabled.\n";
978		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	917	warn $@;
980	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
981		919	exit 1;
982	# no strict 'refs';	920	}
983	# @{"$pkg\::ISA"} = ext::;	921	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	922	}
998		923
999	# remove commands	924	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	925	}
1024		926
1025	sub load_extensions {	927	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	929	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1032	}	934	}
1033	}	935	}
1034		936
1035	#############################################################################	937	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		938
1073	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1074		940
1075	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1076		942
1077	=cut	943	=cut
1078		944
1079	package cf::player;	945	package cf::player;
1080		946
		947	use Coro::AIO;
		948
1081	=head3 cf::player	949	=head3 cf::player
1082		950
1083	=over 4	951	=over 4
1084		952
1085	=item cf::player::find $login	953	=item cf::player::find $login
1086		954
1087	Returns the given player object, loading it if necessary (might block).	955	Returns the given player object, loading it if necessary (might block).
1088		956
1089	=cut	957	=cut
1090		958
		959	sub playerdir($) {
		960	cf::localdir
		961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		965	}
		966
1091	sub path($) {	967	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	969
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	970	(playerdir $login) . "/playerdata"
1095	}	971	}
1096		972
1097	sub find_active($) {	973	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	974	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	975	and $cf::PLAYER{$_[0]}->active
…		…
1102		978
1103	sub exists($) {	979	sub exists($) {
1104	my ($login) = @_;	980	my ($login) = @_;
1105		981
1106	$cf::PLAYER{$login}	982	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	983	or cf::sync_job { !aio_stat path $login }
1108	}	984	}
1109		985
1110	sub find($) {	986	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	987	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	988	my $login = $_[0];
1113		989
1114	my $guard = cf::lock_acquire "user_find:$login";	990	my $guard = cf::lock_acquire "user_find:$login";
1115		991
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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	}
1117	};	1004	}
1118	}	1005	}
1119		1006
1120	sub save($) {	1007	sub save($) {
1121	my ($pl) = @_;	1008	my ($pl) = @_;
1122		1009
…		…
1124		1011
1125	my $path = path $pl;	1012	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1013	my $guard = cf::lock_acquire "user_save:$path";
1127		1014
1128	return if $pl->{deny_save};	1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1018	$pl->{last_save} = $cf::RUNTIME;
1130		1019
1131	Coro::cede;
1132	$pl->save_pl ($path);	1020	$pl->save_pl ($path);
1133	Coro::cede;	1021	Coro::cede;
1134	}	1022	}
1135		1023
1136	sub new($) {	1024	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1032	$cf::PLAYER{$login} = $self;
1145		1033
1146	$self	1034	$self
1147	}	1035	}
1148		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
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1150		1139
1151	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1152		1141
1153	=cut	1142	=cut
1154		1143
1155	sub ext_reply($$$%) {	1144	sub ext_reply($$%) {
1156	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1157		1146
1158	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1159		1148
1160	$self->send ("ext " . cf::to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1161	}	1150	}
1162		1151
1163	package cf;	1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
		1191	}
1164		1192
1165	=back	1193	=back
1166
1167		1194
1168	=head3 cf::map	1195	=head3 cf::map
1169		1196
1170	=over 4	1197	=over 4
1171		1198
…		…
1174	package cf::map;	1201	package cf::map;
1175		1202
1176	use Fcntl;	1203	use Fcntl;
1177	use Coro::AIO;	1204	use Coro::AIO;
1178		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1179	our $MAX_RESET = 3600;	1210	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1211	our $DEFAULT_RESET = 3000;
1181		1212
1182	sub generate_random_map {	1213	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1216	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(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
1199	}	1358	}
1200		1359
1201	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1202	# all maps in C++...	1361	# all maps in C++...
1203	sub change_all_map_light {	1362	sub change_all_map_light {
…		…
1205		1364
1206	$_->change_map_light ($change)	1365	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1366	for grep $_->outdoor, values %cf::MAP;
1208	}	1367	}
1209		1368
		1369	sub unlink_save {
		1370	my ($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
1210	sub try_load_header($) {	1377	sub load_header_from($) {
1211	my ($path) = @_;	1378	my ($self, $path) = @_;
1212		1379
1213	utf8::encode $path;	1380	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1215	or return;	1385	or return;
1216		1386
1217	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
1218	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1219		1433
1220	# for better error messages only, will be overwritten	1434	$self->default_region (cf::region::find_by_path $self->{path})
1221	$map->path ($path);	1435	unless $self->default_region;
1222		1436
1223	$map->load_header ($path)	1437	1
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1438	}
1230		1439
1231	sub find;	1440	sub find;
1232	sub find {	1441	sub find {
1233	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1234		1443
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1445
1240	cf::lock_wait "map_find:$key";	1446	cf::lock_wait "map_find:$path";
1241		1447
1242	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1449	my $guard = cf::lock_acquire "map_find:$path";
1244		1450	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1451	or return;
1264		1452
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1277		1454
1278	Coro::cede;	1455	$map->load_header
		1456	or return;
1279		1457
1280	if ($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;
1281	$map->reset;	1461	$map->reset;
1282	undef $guard;	1462	undef $guard;
1283	$map = find $path	1463	return find $path;
1284	or return;
1285	}	1464	}
1286		1465
1287	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1288	}	1467	}
1289	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1290		1472
1291	sub load {	1473	sub load {
1292	my ($self) = @_;	1474	my ($self) = @_;
1293		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
1294	my $path = $self->{path};	1478	my $path = $self->{path};
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1479	my $guard = cf::lock_acquire "map_load:$path";
1296		1480
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1482
1299	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1300		1484
1301	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488	Coro::cede;
		1489
1302	$self->load_objects ($self->{load_path}, 1)	1490	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1491	or return;
1304		1492
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1494	if delete $self->{load_original};
1307		1495
1308	if (my $uniq = $path->uniq_path) {	1496	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1497	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1498	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1499	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1500	$self->_load_objects ($uniq, 0);
1313	}	1501	}
1314	}	1502	}
1315		1503
1316	Coro::cede;	1504	Coro::cede;
1317
1318	# now do the right thing for maps	1505	# now do the right thing for maps
1319	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
		1507	Coro::cede;
1320		1508
1321	if ($self->{path}->is_style_map) {	1509	unless ($self->{deny_activate}) {
1322	$self->{deny_save} = 1;	1510	$self->decay_objects;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;	1511	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;	1512	$self->update_buttons;
		1513	Coro::cede;
1328	$self->set_darkness_map;	1514	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1515	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	1516	unless $self->difficulty;
		1517	Coro::cede;
1331	$self->activate;	1518	$self->activate;
		1519	Coro::cede;
1332	}	1520	}
1333		1521
		1522	$self->post_load;
1334	Coro::cede;	1523	Coro::cede;
1335		1524
1336	$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	$neigh->load;
		1558	}
1337	}	1559	}
1338		1560
1339	sub find_sync {	1561	sub find_sync {
1340	my ($path, $origin) = @_;	1562	my ($path, $origin) = @_;
1341		1563
1342	cf::sync_job { cf::map::find $path, $origin }	1564	cf::sync_job { find $path, $origin }
1343	}	1565	}
1344		1566
1345	sub do_load_sync {	1567	sub do_load_sync {
1346	my ($map) = @_;	1568	my ($map) = @_;
1347		1569
1348	cf::sync_job { $map->load };	1570	cf::sync_job { $map->load };
1349	}	1571	}
1350		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	$MAP_PREFETCHER->prio (6);
		1599
		1600	()
		1601	}
		1602
1351	sub save {	1603	sub save {
1352	my ($self) = @_;	1604	my ($self) = @_;
1353		1605
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1606	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1607
1356	$self->{last_save} = $cf::RUNTIME;	1608	$self->{last_save} = $cf::RUNTIME;
1357		1609
1358	return unless $self->dirty;	1610	return unless $self->dirty;
1359		1611
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1612	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1613	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1614
1363	$self->{load_path} = $save;	1615	$self->{load_path} = $save;
1364		1616
1365	return if $self->{deny_save};	1617	return if $self->{deny_save};
1366		1618
…		…
1369	cf::async {	1621	cf::async {
1370	$_->contr->save for $self->players;	1622	$_->contr->save for $self->players;
1371	};	1623	};
1372		1624
1373	if ($uniq) {	1625	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1628	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1629	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1630	}
1379	}	1631	}
1380		1632
1381	sub swap_out {	1633	sub swap_out {
1382	my ($self) = @_;	1634	my ($self) = @_;
…		…
1396		1648
1397	sub reset_at {	1649	sub reset_at {
1398	my ($self) = @_;	1650	my ($self) = @_;
1399		1651
1400	# TODO: safety, remove and allow resettable per-player maps	1652	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1654	return 1e99 if $self->{deny_reset};
1403		1655
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1658
…		…
1411	my ($self) = @_;	1663	my ($self) = @_;
1412		1664
1413	$self->reset_at <= $cf::RUNTIME	1665	$self->reset_at <= $cf::RUNTIME
1414	}	1666	}
1415		1667
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1668	sub reset {
1438	my ($self) = @_;	1669	my ($self) = @_;
1439		1670
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1671	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1672
1442	return if $self->players;	1673	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1674	return if $self->isa ("ext::map_per_player");#d#
1444		1675
1445	warn "resetting map ", $self->path;#d#	1676	warn "resetting map ", $self->path;#d#
1446		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
1447	delete $cf::MAP{$self->path};	1688	delete $cf::MAP{$self->path};
		1689
		1690	$self->clear;
1448		1691
1449	$_->clear_links_to ($self) for values %cf::MAP;	1692	$_->clear_links_to ($self) for values %cf::MAP;
1450		1693
1451	$self->unlink_save;	1694	$self->unlink_save;
1452	$self->destroy;	1695	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1698	my $nuke_counter = "aaaa";
1456		1699
1457	sub nuke {	1700	sub nuke {
1458	my ($self) = @_;	1701	my ($self) = @_;
1459		1702
		1703	delete $cf::MAP{$self->path};
		1704
		1705	$self->unlink_save;
		1706
		1707	bless $self, "cf::map";
		1708	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1709	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1710	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1712
		1713	$cf::MAP{$self->path} = $self;
		1714
1463	$self->reset; # polite request, might not happen	1715	$self->reset; # polite request, might not happen
1464	}	1716	}
1465		1717
1466	sub customise_for {	1718	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1719
1469	if ($map->per_player) {	1720	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1721	instantiated unique items. May block.
1471	}
1472		1722
1473	$map	1723	=cut
1474	}
1475		1724
1476	sub emergency_save {	1725	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1727	or return;
1478		1728
1479	warn "enter emergency perl save\n";	1729	my @paths;
1480		1730
1481	cf::sync_job {	1731	for (@$files) {
1482	warn "begin emergency player save\n";	1732	utf8::decode $_;
1483	$_->save for values %cf::PLAYER;	1733	next if /\.pst$/;
1484	warn "end emergency player save\n";	1734	next unless /^$PATH_SEP/o;
1485		1735
1486	warn "begin emergency map save\n";	1736	push @paths, cf::map::normalise $_;
1487	$_->save for values %cf::MAP;
1488	warn "end emergency map save\n";
1489	};	1737	}
1490		1738
1491	warn "leave emergency perl save\n";	1739	\@paths
1492	}	1740	}
1493		1741
1494	package cf;	1742	package cf;
1495		1743
1496	=back	1744	=back
1497		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
1498		1772
1499	=head3 cf::object::player	1773	=head3 cf::object::player
1500		1774
1501	=over 4	1775	=over 4
1502		1776
…		…
1542		1816
1543	=item $player_object->enter_link	1817	=item $player_object->enter_link
1544		1818
1545	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}>).
1546		1820
1547	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
1548	I<MUST> call C<leave_link> as soon as possible, though.	1822	I<MUST> call C<leave_link> as soon as possible, though.
1549		1823
		1824	Will never block.
		1825
1550	=item $player_object->leave_link ($map, $x, $y)	1826	=item $player_object->leave_link ($map, $x, $y)
1551		1827
1552	Moves the player out of the specila link map onto the given map. If the	1828	Moves the player out of the special C<{link}> map onto the specified
1553	map is not valid (or omitted), the player will be moved back to the	1829	map. If the map is not valid (or omitted), the player will be moved back
1554	location he/she was before the call to C<enter_link>, or, if that fails,	1830	to the location he/she was before the call to C<enter_link>, or, if that
1555	to the emergency map position.	1831	fails, to the emergency map position.
1556		1832
1557	Might block.	1833	Might block.
1558		1834
1559	=cut	1835	=cut
		1836
		1837	sub link_map {
		1838	unless ($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	$LINK_MAP
		1845	}
1560		1846
1561	sub cf::object::player::enter_link {	1847	sub cf::object::player::enter_link {
1562	my ($self) = @_;	1848	my ($self) = @_;
1563		1849
1564	$self->deactivate_recursive;	1850	$self->deactivate_recursive;
1565		1851
1566	return if $self->map == $LINK_MAP;	1852	return if UNIVERSAL::isa $self->map, "ext::map_link";
1567		1853
1568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569	if $self->map;	1855	if $self->map;
1570		1856
1571	$self->enter_map ($LINK_MAP, 20, 20);	1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1572	}	1858	}
1573		1859
1574	sub cf::object::player::leave_link {	1860	sub cf::object::player::leave_link {
1575	my ($self, $map, $x, $y) = @_;	1861	my ($self, $map, $x, $y) = @_;
1576		1862
…		…
1594	# use -1 or undef as default coordinates, not 0, 0	1880	# use -1 or undef as default coordinates, not 0, 0
1595	($x, $y) = ($map->enter_x, $map->enter_y)	1881	($x, $y) = ($map->enter_x, $map->enter_y)
1596	if $x <=0 && $y <= 0;	1882	if $x <=0 && $y <= 0;
1597		1883
1598	$map->load;	1884	$map->load;
		1885	$map->load_diag;
1599		1886
1600	return unless $self->contr->active;	1887	return unless $self->contr->active;
1601	$self->activate_recursive;	1888	$self->activate_recursive;
		1889
		1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1602	$self->enter_map ($map, $x, $y);	1891	$self->enter_map ($map, $x, $y);
1603	}	1892	}
1604		1893
1605	cf::player->attach (	1894	cf::player->attach (
1606	on_logout => sub {	1895	on_logout => sub {
…		…
1619	# try to abort aborted map switching on player login :)	1908	# try to abort aborted map switching on player login :)
1620	# should happen only on crashes	1909	# should happen only on crashes
1621	if ($pl->ob->{_link_pos}) {	1910	if ($pl->ob->{_link_pos}) {
1622	$pl->ob->enter_link;	1911	$pl->ob->enter_link;
1623	(async {	1912	(async {
1624	# we need this sleep as the login has a concurrent enter_exit running
1625	# and this sleep increases chances of the player not ending up in scorn
1626	$pl->ob->reply (undef,	1913	$pl->ob->reply (undef,
1627	"There was an internal problem at your last logout, "	1914	"There was an internal problem at your last logout, "
1628	. "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.",
1629	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
1630	Coro::Timer::sleep 1;	1919	Coro::Timer::sleep 1;
1631	$pl->ob->leave_link;	1920	$pl->ob->leave_link;
1632	})->prio (2);	1921	})->prio (2);
1633	}	1922	}
1634	},	1923	},
…		…
1642	my ($self, $path, $x, $y) = @_;	1931	my ($self, $path, $x, $y) = @_;
1643		1932
1644	$self->enter_link;	1933	$self->enter_link;
1645		1934
1646	(async {	1935	(async {
1647	$path = new cf::path $path;	1936	my $map = eval {
1648
1649	my $map = cf::map::find $path->as_string;	1937	my $map = cf::map::find $path;
1650	$map = $map->customise_for ($self) if $map;	1938	$map = $map->customise_for ($self) if $map;
1651		1939	$map
1652	# warn "entering ", $map->path, " at ($x, $y)\n"	1940	} or
1653	# if $map;
1654
1655	$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);
1656		1942
1657	$self->leave_link ($map, $x, $y);	1943	$self->leave_link ($map, $x, $y);
1658	})->prio (1);	1944	})->prio (1);
1659	}	1945	}
1660		1946
…		…
1664		1950
1665	sub parse_random_map_params {	1951	sub parse_random_map_params {
1666	my ($spec) = @_;	1952	my ($spec) = @_;
1667		1953
1668	my $rmp = { # defaults	1954	my $rmp = { # defaults
1669	xsize => 10,	1955	xsize => (cf::rndm 15, 40),
1670	ysize => 10,	1956	ysize => (cf::rndm 15, 40),
		1957	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1958	#layout => string,
1671	};	1959	};
1672		1960
1673	for (split /\n/, $spec) {	1961	for (split /\n/, $spec) {
1674	my ($k, $v) = split /\s+/, $_, 2;	1962	my ($k, $v) = split /\s+/, $_, 2;
1675		1963
…		…
1679	$rmp	1967	$rmp
1680	}	1968	}
1681		1969
1682	sub prepare_random_map {	1970	sub prepare_random_map {
1683	my ($exit) = @_;	1971	my ($exit) = @_;
		1972
		1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1684		1974
1685	# all this does is basically replace the /! path by	1975	# all this does is basically replace the /! path by
1686	# a new random map path (?random/...) with a seed	1976	# a new random map path (?random/...) with a seed
1687	# that depends on the exit object	1977	# that depends on the exit object
1688		1978
1689	my $rmp = parse_random_map_params $exit->msg;	1979	my $rmp = parse_random_map_params $exit->msg;
1690		1980
1691	if ($exit->map) {	1981	if ($exit->map) {
1692	$rmp->{region} = $exit->map->region_name;	1982	$rmp->{region} = $exit->region->name;
1693	$rmp->{origin_map} = $exit->map->path;	1983	$rmp->{origin_map} = $exit->map->path;
1694	$rmp->{origin_x} = $exit->x;	1984	$rmp->{origin_x} = $exit->x;
1695	$rmp->{origin_y} = $exit->y;	1985	$rmp->{origin_y} = $exit->y;
1696	}	1986	}
1697		1987
1698	$rmp->{random_seed} ||= $exit->random_seed;	1988	$rmp->{random_seed} ||= $exit->random_seed;
1699		1989
1700	my $data = cf::to_json $rmp;	1990	my $data = cf::to_json $rmp;
1701	my $md5 = Digest::MD5::md5_hex $data;	1991	my $md5 = Digest::MD5::md5_hex $data;
		1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1702		1993
1703	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) {
1704	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;
1705		1998
1706	$exit->slaying ("?random/$md5");	1999	$exit->slaying ("?random/$md5");
1707	$exit->msg (undef);	2000	$exit->msg (undef);
1708	}	2001	}
1709	}	2002	}
1710		2003
1711	sub cf::object::player::enter_exit {	2004	sub cf::object::player::enter_exit {
1712	my ($self, $exit) = @_;	2005	my ($self, $exit) = @_;
1713		2006
1714	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;
1715		2019
1716	$self->enter_link;	2020	$self->enter_link;
1717		2021
1718	(async {	2022	(async {
1719	$self->deactivate_recursive; # just to be sure	2023	$self->deactivate_recursive; # just to be sure
1720	unless (eval {	2024	unless (eval {
1721	prepare_random_map $exit	2025	$self->goto ($slaying, $hp, $sp);
1722	if $exit->slaying eq "/!";
1723
1724	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1725	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726		2026
1727	1;	2027	1;
1728	}) {	2028	}) {
1729	$self->message ("Something went wrong deep within the crossfire server. "	2029	$self->message ("Something went wrong deep within the crossfire server. "
1730	. "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. "
1731	. "Please report this to the dungeon master",	2031	. "Please report this to the dungeon master!",
1732	cf::NDI_UNIQUE | cf::NDI_RED);	2032	cf::NDI_UNIQUE | cf::NDI_RED);
1733		2033
1734	warn "ERROR in enter_exit: $@";	2034	warn "ERROR in enter_exit: $@";
1735	$self->leave_link;	2035	$self->leave_link;
1736	}	2036	}
1737	})->prio (1);	2037	})->prio (1);
…		…
1750		2050
1751	sub cf::client::send_drawinfo {	2051	sub cf::client::send_drawinfo {
1752	my ($self, $text, $flags) = @_;	2052	my ($self, $text, $flags) = @_;
1753		2053
1754	utf8::encode $text;	2054	utf8::encode $text;
1755	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1756	}	2056	}
1757		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	}
1758		2070
1759	=item $success = $client->query ($flags, "text", \&cb)	2071	=item $success = $client->query ($flags, "text", \&cb)
1760		2072
1761	Queues a query to the client, calling the given callback with	2073	Queues a query to the client, calling the given callback with
1762	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>,
…		…
1791	# get handled first	2103	# get handled first
1792	my $queue = delete $ns->{query_queue}	2104	my $queue = delete $ns->{query_queue}
1793	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
1794		2106
1795	(shift @$queue)->[1]->($msg);	2107	(shift @$queue)->[1]->($msg);
		2108	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1796		2109
1797	push @{ $ns->{query_queue} }, @$queue;	2110	push @{ $ns->{query_queue} }, @$queue;
1798		2111
1799	if (@{ $ns->{query_queue} } == @$queue) {	2112	if (@{ $ns->{query_queue} } == @$queue) {
1800	if (@$queue) {	2113	if (@$queue) {
…		…
1858		2171
1859	# here we export the classes and methods available to script code	2172	# here we export the classes and methods available to script code
1860		2173
1861	=pod	2174	=pod
1862		2175
1863	The following fucntions and emthods are available within a safe environment:	2176	The following functions and methods are available within a safe environment:
1864		2177
1865	cf::object contr pay_amount pay_player map	2178	cf::object contr pay_amount pay_player map
1866	cf::object::player player	2179	cf::object::player player
1867	cf::player peaceful	2180	cf::player peaceful
1868	cf::map trigger	2181	cf::map trigger
…		…
1953	#############################################################################	2266	#############################################################################
1954		2267
1955	=head2 EXTENSION DATABASE SUPPORT	2268	=head2 EXTENSION DATABASE SUPPORT
1956		2269
1957	Crossfire maintains a very simple database for extension use. It can	2270	Crossfire maintains a very simple database for extension use. It can
1958	currently store anything that can be serialised using Storable, which	2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1959	excludes objects.	2272	convert to/from binary).
1960		2273
1961	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
1962	using it, it should be unique.	2275	using it, it should be unique.
1963		2276
1964	=over 4	2277	=over 4
1965		2278
1966	=item $hashref = cf::db_get $family
1967
1968	Return a hashref for use by the extension C<$family>, which can be
1969	modified. After modifications, you have to call C<cf::db_dirty> or
1970	C<cf::db_sync>.
1971
1972	=item $value = cf::db_get $family => $key	2279	=item $value = cf::db_get $family => $key
1973		2280
1974	Returns a single value from the database	2281	Returns a single value from the database.
1975
1976	=item cf::db_put $family => $hashref
1977
1978	Stores the given family hashref into the database. Updates are delayed, if
1979	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1980		2282
1981	=item cf::db_put $family => $key => $value	2283	=item cf::db_put $family => $key => $value
1982		2284
1983	Stores the given C<$value> in the family hash. Updates are delayed, if you	2285	Stores the given C<$value> in the family.
1984	want the data to be synced to disk immediately, use C<cf::db_sync>.
1985
1986	=item cf::db_dirty
1987
1988	Marks the database as dirty, to be updated at a later time.
1989
1990	=item cf::db_sync
1991
1992	Immediately write the database to disk I<if it is dirty>.
1993		2286
1994	=cut	2287	=cut
1995		2288
1996	our $DB;	2289	our $DB;
1997		2290
1998	{	2291	sub db_init {
1999	my $path = cf::localdir . "/database.pst";	2292	unless ($DB) {
		2293	$DB = BDB::db_create $DB_ENV;
2000		2294
2001	sub db_load() {	2295	cf::sync_job {
2002	$DB = stat $path ? Storable::retrieve $path : { };	2296	eval {
2003	}	2297	$DB->set_flags (BDB::CHKSUM);
2004		2298
2005	my $pid;	2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2006		2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2007	sub db_save() {	2301	cf::cleanup "db_open(db): $!" if $!;
2008	waitpid $pid, 0 if $pid;	2302	};
2009	if (0 == ($pid = fork)) {	2303	cf::cleanup "db_open(db): $@" if $@;
2010	$DB->{_meta}{version} = 1;
2011	Storable::nstore $DB, "$path~";
2012	rename "$path~", $path;
2013	cf::_exit 0 if defined $pid;
2014	}	2304	};
2015	}
2016
2017	my $dirty;
2018
2019	sub db_sync() {
2020	db_save if $dirty;
2021	undef $dirty;
2022	}
2023
2024	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2025	db_sync;
2026	});	2305	}
		2306	}
2027		2307
2028	sub db_dirty() {
2029	$dirty = 1;
2030	$idle->start;
2031	}
2032
2033	sub db_get($;$) {	2308	sub db_get($$) {
2034	@_ >= 2	2309	my $key = "$_[0]/$_[1]";
2035	? $DB->{$_[0]}{$_[1]}
2036	: ($DB->{$_[0]} ||= { })
2037	}
2038		2310
		2311	cf::sync_job {
		2312	BDB::db_get $DB, undef, $key, my $data;
		2313
		2314	$! ? ()
		2315	: $data
		2316	}
		2317	}
		2318
2039	sub db_put($$;$) {	2319	sub db_put($$$) {
2040	if (@_ >= 3) {	2320	BDB::dbreq_pri 4;
2041	$DB->{$_[0]}{$_[1]} = $_[2];	2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2042	} else {	2322	}
2043	$DB->{$_[0]} = $_[1];
2044	}
2045	db_dirty;
2046	}
2047		2323
2048	cf::global->attach (	2324	=item cf::cache $id => [$paths...], $processversion => $process
2049	prio => 10000,	2325
2050	on_cleanup => sub {	2326	Generic caching function that returns the value of the resource $id,
2051	db_sync;	2327	caching and regenerating as required.
		2328
		2329	This function can block.
		2330
		2331	=cut
		2332
		2333	sub cache {
		2334	my ($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 "$src->[$_]: $!";
2052	},	2356	}
2053	);	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"
2054	}	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 $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2426	};
		2427
		2428	_exit 0;
		2429	}
		2430	}
		2431
		2432
2055		2433
2056	#############################################################################	2434	#############################################################################
2057	# the server's main()	2435	# the server's init and main functions
		2436
		2437	sub load_facedata($) {
		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	}
2058		2523
2059	sub cfg_load {	2524	sub cfg_load {
2060	open my $fh, "<:utf8", cf::confdir . "/config"	2525	open my $fh, "<:utf8", cf::confdir . "/config"
2061	or return;	2526	or return;
2062		2527
…		…
2068	$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};
2069	$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};
2070		2535
2071	if (exists $CFG{mlockall}) {	2536	if (exists $CFG{mlockall}) {
2072	eval {	2537	eval {
2073	$CFG{mlockall} ? &mlockall : &munlockall	2538	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074	and die "WARNING: m(un)lockall failed: $!\n";	2539	and die "WARNING: m(un)lockall failed: $!\n";
2075	};	2540	};
2076	warn $@ if $@;	2541	warn $@ if $@;
2077	}	2542	}
2078	}	2543	}
2079		2544
2080	sub main {	2545	sub main {
2081	# we must not ever block the main coroutine	2546	# we must not ever block the main coroutine
2082	local $Coro::idle = sub {	2547	local $Coro::idle = sub {
2083	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 {
2084	async { Event::one_event };	2550	Event::one_event;
		2551	})->prio (Coro::PRIO_MAX);
2085	};	2552	};
2086		2553
2087	cfg_load;	2554	cfg_load;
2088	db_load;	2555	db_init;
2089	load_extensions;	2556	load_extensions;
		2557
		2558	$TICK_WATCHER->start;
2090	Event::loop;	2559	Event::loop;
2091	}	2560	}
2092		2561
2093	#############################################################################	2562	#############################################################################
2094	# initialisation	2563	# initialisation and cleanup
2095		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 $make_core;
		2618	}
		2619
2096	sub reload() {	2620	sub do_reload_perl() {
2097	# can/must only be called in main	2621	# can/must only be called in main
2098	if ($Coro::current != $Coro::main) {	2622	if ($Coro::current != $Coro::main) {
2099	warn "can only reload from main coroutine\n";	2623	warn "can only reload from main coroutine";
2100	return;	2624	return;
2101	}	2625	}
2102		2626
2103	warn "reloading...";	2627	warn "reloading...";
2104		2628
2105	my $guard = freeze_mainloop;	2629	warn "entering sync_job";
		2630
		2631	cf::sync_job {
		2632	cf::write_runtime; # external watchdog should not bark
2106	cf::emergency_save;	2633	cf::emergency_save;
		2634	cf::write_runtime; # external watchdog should not bark
2107		2635
2108	eval {	2636	warn "syncing database to disk";
		2637	BDB::db_env_txn_checkpoint $DB_ENV;
		2638
2109	# 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
2110		2640
2111	# cancel all watchers	2641	warn "cancelling all WF_AUTOCANCEL watchers";
2112	for (Event::all_watchers) {	2642	for (Event::all_watchers) {
2113	$_->cancel if $_->data & WF_AUTOCANCEL;	2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2114	}	2644	}
2115		2645
		2646	warn "flushing outstanding aio requests";
		2647	for (;;) {
		2648	BDB::flush;
		2649	IO::AIO::flush;
		2650	Coro::cede;
		2651	last unless IO::AIO::nreqs || BDB::nreqs;
		2652	warn "iterate...";
		2653	}
		2654
		2655	++$RELOAD;
		2656
2116	# cancel all extension coros	2657	warn "cancelling all extension coros";
2117	$_->cancel for values %EXT_CORO;	2658	$_->cancel for values %EXT_CORO;
2118	%EXT_CORO = ();	2659	%EXT_CORO = ();
2119		2660
2120	# unload all extensions	2661	warn "removing commands";
2121	for (@exts) {	2662	%COMMAND = ();
		2663
		2664	warn "removing ext commands";
		2665	%EXTCMD = ();
		2666
		2667	warn "unloading/nuking all extensions";
		2668	for my $pkg (@EXTS) {
2122	warn "unloading <$_>";	2669	warn "... unloading $pkg";
2123	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: $@";
2124	}	2676	}
2125		2677
		2678	warn "... nuking $pkg";
		2679	Symbol::delete_package $pkg;
		2680	}
		2681
2126	# unload all modules loaded from $LIBDIR	2682	warn "unloading all perl modules loaded from $LIBDIR";
2127	while (my ($k, $v) = each %INC) {	2683	while (my ($k, $v) = each %INC) {
2128	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129		2685
2130	warn "removing <$k>";	2686	warn "... unloading $k";
2131	delete $INC{$k};	2687	delete $INC{$k};
2132		2688
2133	$k =~ s/\.pm$//;	2689	$k =~ s/\.pm$//;
2134	$k =~ s/\//::/g;	2690	$k =~ s/\//::/g;
2135		2691
…		…
2138	}	2694	}
2139		2695
2140	Symbol::delete_package $k;	2696	Symbol::delete_package $k;
2141	}	2697	}
2142		2698
2143	# sync database to disk
2144	cf::db_sync;
2145	IO::AIO::flush;
2146
2147	# get rid of safe::, as good as possible	2699	warn "getting rid of safe::, as good as possible";
2148	Symbol::delete_package "safe::$_"	2700	Symbol::delete_package "safe::$_"
2149	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);
2150		2702
2151	# remove register_script_function callbacks
2152	# TODO
2153
2154	# unload cf.pm "a bit"	2703	warn "unloading cf.pm \"a bit\"";
2155	delete $INC{"cf.pm"};	2704	delete $INC{"cf.pm"};
2156		2705
2157	# don't, removes xs symbols, too,	2706	# don't, removes xs symbols, too,
2158	# and global variables created in xs	2707	# and global variables created in xs
2159	#Symbol::delete_package __PACKAGE__;	2708	#Symbol::delete_package __PACKAGE__;
2160		2709
2161	# reload cf.pm	2710	warn "unload completed, starting to reload now";
		2711
2162	warn "reloading cf.pm";	2712	warn "reloading cf.pm";
2163	require cf;	2713	require cf;
2164	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165		2715
2166	# load config and database again	2716	warn "loading config and database again";
2167	cf::cfg_load;	2717	cf::cfg_load;
2168	cf::db_load;
2169		2718
2170	# load extensions
2171	warn "load extensions";	2719	warn "loading extensions";
2172	cf::load_extensions;	2720	cf::load_extensions;
2173		2721
2174	# reattach attachments to objects	2722	warn "reattaching attachments to objects/players";
2175	warn "reattach";	2723	_global_reattach; # objects, sockets
2176	_global_reattach;	2724	warn "reattaching attachments to maps";
2177	reattach $_ for values %MAP;	2725	reattach $_ for values %MAP;
2178	};	2726	warn "reattaching attachments to players";
		2727	reattach $_ for values %PLAYER;
2179		2728
2180	if ($@) {	2729	warn "leaving sync_job";
		2730
		2731	1
		2732	} or do {
2181	warn $@;	2733	warn $@;
2182	warn "error while reloading, exiting.";	2734	warn "error while reloading, exiting.";
2183	exit 1;	2735	exit 1;
2184	}	2736	};
2185		2737
2186	warn "reloaded successfully";	2738	warn "reloaded";
2187	};	2739	};
2188		2740
2189	#############################################################################	2741	our $RELOAD_WATCHER; # used only during reload
2190		2742
2191	unless ($LINK_MAP) {	2743	sub reload_perl() {
2192	$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.
2193		2746
2194	$LINK_MAP->width (41);	2747	$RELOAD_WATCHER ||= Event->timer (
2195	$LINK_MAP->height (41);	2748	reentrant => 0,
2196	$LINK_MAP->alloc;
2197	$LINK_MAP->path ("{link}");
2198	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201	# dirty hack because... archetypes are not yet loaded
2202	Event->timer (
2203	after => 10,	2749	after => 0,
		2750	data => WF_AUTOCANCEL,
2204	cb => sub {	2751	cb => sub {
2205	$_[0]->w->cancel;	2752	do_reload_perl;
2206		2753	undef $RELOAD_WATCHER;
2207	# provide some exits "home"
2208	my $exit = cf::object::new "exit";
2209
2210	$exit->slaying ($EMERGENCY_POSITION->[0]);
2211	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214	$LINK_MAP->insert ($exit->clone, 19, 19);
2215	$LINK_MAP->insert ($exit->clone, 19, 20);
2216	$LINK_MAP->insert ($exit->clone, 19, 21);
2217	$LINK_MAP->insert ($exit->clone, 20, 19);
2218	$LINK_MAP->insert ($exit->clone, 20, 21);
2219	$LINK_MAP->insert ($exit->clone, 21, 19);
2220	$LINK_MAP->insert ($exit->clone, 21, 20);
2221	$LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223	$exit->destroy;
2224	});	2754	},
2225		2755	);
2226	$LINK_MAP->{deny_save} = 1;
2227	$LINK_MAP->{deny_reset} = 1;
2228
2229	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230	}	2756	}
2231
2232	register "<global>", __PACKAGE__;
2233		2757
2234	register_command "reload" => sub {	2758	register_command "reload" => sub {
2235	my ($who, $arg) = @_;	2759	my ($who, $arg) = @_;
2236		2760
2237	if ($who->flag (FLAG_WIZ)) {	2761	if ($who->flag (FLAG_WIZ)) {
2238	$who->message ("start of reload.");
2239	reload;
2240	$who->message ("end of reload.");	2762	$who->message ("reloading server.");
		2763	async { reload_perl };
2241	}	2764	}
2242	};	2765	};
2243		2766
2244	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	}
2245		2791
2246	$TICK_WATCHER = Event->timer (	2792	$TICK_WATCHER = Event->timer (
2247	reentrant => 0,	2793	reentrant => 0,
		2794	parked => 1,
2248	prio => 0,	2795	prio => 0,
2249	at => $NEXT_TICK || $TICK,	2796	at => $NEXT_TICK || $TICK,
2250	data => WF_AUTOCANCEL,	2797	data => WF_AUTOCANCEL,
2251	cb => sub {	2798	cb => sub {
		2799	if ($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
2252	cf::server_tick; # one server iteration	2807	cf::server_tick; # one server iteration
		2808
2253	$RUNTIME += $TICK;	2809	$RUNTIME += $TICK;
2254	$NEXT_TICK += $TICK;	2810	$NEXT_TICK += $TICK;
2255		2811
		2812	if ($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
2256	# 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
2257	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258		2825
2259	$TICK_WATCHER->at ($NEXT_TICK);	2826	$TICK_WATCHER->at ($NEXT_TICK);
2260	$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;
2261	},	2837	},
2262	);	2838	);
2263		2839
		2840	{
2264	IO::AIO::max_poll_time $TICK * 0.2;	2841	BDB::max_poll_time $TICK * 0.1;
2265		2842	$BDB_POLL_WATCHER = Event->io (
2266	Event->io (	2843	reentrant => 0,
2267	fd => IO::AIO::poll_fileno,	2844	fd => BDB::poll_fileno,
2268	poll => 'r',	2845	poll => 'r',
2269	prio => 5,	2846	prio => 0,
2270	data => WF_AUTOCANCEL,
2271	cb => \&IO::AIO::poll_cb,
2272	);
2273
2274	Event->timer (
2275	data => WF_AUTOCANCEL,	2847	data => WF_AUTOCANCEL,
2276	after => 0,	2848	cb => \&BDB::poll_cb,
2277	interval => 10,	2849	);
2278	cb => sub {	2850	BDB::min_parallel 8;
2279	(Coro::unblock_sub {	2851
2280	write_runtime	2852	BDB::set_sync_prepare {
2281	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 $@;
2282	})->();	2886	};
2283	},	2887	}
2284	);	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;
2285		2907
2286	END { cf::emergency_save }	2908	END { cf::emergency_save }
2287		2909
2288	1	2910	1
2289		2911

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