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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 1.249 by root, Wed Apr 18 12:43:54 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		220
184	=item cf::lock_wait $string	221	=item cf::lock_wait $string
185		222
186	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
187		224
…		…
224	}	261	}
225		262
226	sub freeze_mainloop {	263	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
228		265
229	my $guard = Coro::guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
230	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
231	$guard	270	$guard
232	}	271	}
233		272
234	=item cf::async { BLOCK }	273	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	312	warn $@ if $@;
274	undef $busy;	313	undef $busy;
275	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
276		315
277	while ($busy) {	316	while ($busy) {
278	unless (Coro::cede) {	317	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	}	318	}
283		319
284	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
285	} else {	321	} else {
286	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	325	}
290	}	326	}
291		327
292	=item $coro = cf::async_ext { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
293		329
294	Like async, but this coro is automcatially being canceled when the	330	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	331	extension calling this is being unloaded.
296		332
297	=cut	333	=cut
298		334
299	sub async_ext(&) {	335	sub async_ext(&) {
…		…
308		344
309	$coro	345	$coro
310	}	346	}
311		347
312	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
313	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
314		352
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	354	or return;
317		355
		356	my $value = $cf::RUNTIME + 90 + 10;
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	361	and return;
321		362
		363	# always fsync - this file is important
322	aio_fsync $fh	364	aio_fsync $fh
323	and return;	365	and return;
324		366
325	close $fh	367	close $fh
326	or return;	368	or return;
…		…
329	and return;	371	and return;
330		372
331	1	373	1
332	}	374	}
333		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
334	=back	387	=back
335		388
336	=cut	389	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($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		390
458	#############################################################################	391	#############################################################################
459		392
460	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
461		394
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	521	our @CB_MAP = ();
589		522
590	my %attachment;	523	my %attachment;
591		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
592	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
594		533
595	use sort 'stable';	534	use sort 'stable';
596		535
…		…
767	# object support	706	# object support
768		707
769	sub reattach {	708	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		713
773	my $registry = $obj->registry;	714	my $registry = $obj->registry;
774		715
775	@$registry = ();	716	@$registry = ();
776		717
…		…
823	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
824		765
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	770	close $fh;
830		771
831	if (@$objs) {	772	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	778	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
839	}	780	}
840	} else {	781	} else {
841	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
908	=cut	849	=cut
909		850
910	sub register_extcmd {	851	sub register_extcmd {
911	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
912		853
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
917	}	855	}
918		856
919	cf::player->attach (	857	cf::player->attach (
920	on_command => sub {	858	on_command => sub {
921	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
934		872
935	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
936		874
937	if (ref $msg) {	875	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	879	}
942	}	880	}
943	} else {	881	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		884
947	cf::override;	885	cf::override;
948	},	886	},
949	);	887	);
950		888
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	889	sub load_extension {
958	my ($path) = @_;	890	my ($path) = @_;
959		891
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	893	my $base = $1;
962	my $pkg = $1;	894	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
965		897
966	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
967		899
968	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
969	or die "$path: $!";	901	or die "$path: $!";
970		902
971	my $source =	903	my $source =
972	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
975	. "\n};\n1";	907	. "\n};\n1";
976		908
977	eval $source	909	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	911	: "extension disabled.\n";
980		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	913	warn $@;
982	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
983		915	exit 1;
984	# no strict 'refs';	916	}
985	# @{"$pkg\::ISA"} = ext::;	917	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	# }	918	}
1000		919
1001	# remove commands	920	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	}	921	}
1026		922
1027	sub load_extensions {	923	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	925	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1034	}	930	}
1035	}	931	}
1036		932
1037	#############################################################################	933	#############################################################################
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		934
1075	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1076		936
1077	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1078		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1079	=head3 cf::player	945	=head3 cf::player
1080		946
1081	=over 4	947	=over 4
1082		948
1083	=item cf::player::exists $login	949	=item cf::player::find $login
1084		950
1085	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1086		952
1087	=cut	953	=cut
1088		954
1089	sub cf::player::exists($) {	955	sub playerdir($) {
1090	cf::player::find $_[0]	956	cf::localdir
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	961	}
1093		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1095		1135
1096	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1097		1137
1098	=cut	1138	=cut
1099		1139
1100	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1101	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1102		1142
1103	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1104		1144
1105	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1106	}	1187	}
1107		1188
1108	=back	1189	=back
1109
1110		1190
1111	=head3 cf::map	1191	=head3 cf::map
1112		1192
1113	=over 4	1193	=over 4
1114		1194
…		…
1117	package cf::map;	1197	package cf::map;
1118		1198
1119	use Fcntl;	1199	use Fcntl;
1120	use Coro::AIO;	1200	use Coro::AIO;
1121		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1122	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1124		1208
1125	sub generate_random_map {	1209	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1212	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142	}	1354	}
1143		1355
1144	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1145	# all maps in C++...	1357	# all maps in C++...
1146	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1148		1360
1149	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1151	}	1363	}
1152		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1153	sub try_load_header($) {	1373	sub load_header_from($) {
1154	my ($path) = @_;	1374	my ($self, $path) = @_;
1155		1375
1156	utf8::encode $path;	1376	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1158	or return;	1381	or return;
1159		1382
1160	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1161	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1162		1429
1163	# for better error messages only, will be overwritten	1430	$self->default_region (cf::region::find_by_path $self->{path})
1164	$map->path ($path);	1431	unless $self->default_region;
1165		1432
1166	$map->load_header ($path)	1433	1
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1434	}
1173		1435
1174	sub find;	1436	sub find;
1175	sub find {	1437	sub find {
1176	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1177		1439
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1441
1183	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1184		1443
1185	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1187		1446	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;	1447	or return;
1207		1448
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;	1449	$map->{last_save} = $cf::RUNTIME;
1220		1450
1221	Coro::cede;	1451	$map->load_header
		1452	or return;
1222		1453
1223	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1224	$map->reset;	1457	$map->reset;
1225	undef $guard;	1458	undef $guard;
1226	$map = find $path	1459	return find $path;
1227	or return;
1228	}	1460	}
1229		1461
1230	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1231	}	1463	}
1232	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1233		1468
1234	sub load {	1469	sub load {
1235	my ($self) = @_;	1470	my ($self) = @_;
1236		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1237	my $path = $self->{path};	1474	my $path = $self->{path};
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1239		1476
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1478
1242	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1243		1480
1244	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1245	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1487	or return;
1247		1488
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1490	if delete $self->{load_original};
1250		1491
1251	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1493	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1495	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1256	}	1497	}
1257	}	1498	}
1258		1499
1259	Coro::cede;	1500	Coro::cede;
1260
1261	# now do the right thing for maps	1501	# now do the right thing for maps
1262	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1263		1504
1264	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1265	$self->{deny_save} = 1;	1506	$self->decay_objects;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1271	$self->set_darkness_map;	1510	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1274	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1275	}	1516	}
1276		1517
		1518	$self->post_load;
1277	Coro::cede;	1519	Coro::cede;
1278		1520
1279	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1280	}	1555	}
1281		1556
1282	sub find_sync {	1557	sub find_sync {
1283	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1284		1559
1285	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1286	}	1561	}
1287		1562
1288	sub do_load_sync {	1563	sub do_load_sync {
1289	my ($map) = @_;	1564	my ($map) = @_;
1290		1565
1291	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1292	}	1567	}
1293		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1294	sub save {	1599	sub save {
1295	my ($self) = @_;	1600	my ($self) = @_;
1296		1601
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1603
1299	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1300		1605
1301	return unless $self->dirty;	1606	return unless $self->dirty;
1302		1607
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1610
1306	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1307		1612
1308	return if $self->{deny_save};	1613	return if $self->{deny_save};
1309		1614
1310	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1311		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1312	if ($uniq) {	1621	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1624	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1626	}
1318	}	1627	}
1319		1628
1320	sub swap_out {	1629	sub swap_out {
1321	my ($self) = @_;	1630	my ($self) = @_;
…		…
1335		1644
1336	sub reset_at {	1645	sub reset_at {
1337	my ($self) = @_;	1646	my ($self) = @_;
1338		1647
1339	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1342		1651
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1654
…		…
1350	my ($self) = @_;	1659	my ($self) = @_;
1351		1660
1352	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1353	}	1662	}
1354		1663
1355	sub unlink_save {
1356	my ($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	$self->save;
1374	}
1375
1376	sub reset {	1664	sub reset {
1377	my ($self) = @_;	1665	my ($self) = @_;
1378		1666
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1668
1381	return if $self->players;	1669	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1383		1671
1384	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1385		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1386	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1387		1687
1388	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1389		1689
1390	$self->unlink_save;	1690	$self->unlink_save;
1391	$self->destroy;	1691	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1395		1695
1396	sub nuke {	1696	sub nuke {
1397	my ($self) = @_;	1697	my ($self) = @_;
1398		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1402	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1403	}	1712	}
1404		1713
1405	sub customise_for {	1714	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1715
1408	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1410	}
1411		1718
1412	$map	1719	=cut
1413	}
1414		1720
1415	sub emergency_save {	1721	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1417		1724
1418	warn "enter emergency map save\n";	1725	my @paths;
1419		1726
1420	cf::sync_job {	1727	for (@$files) {
1421	warn "begin emergency map save\n";	1728	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1423	};	1733	}
1424		1734
1425	warn "end emergency map save\n";	1735	\@paths
1426	}	1736	}
1427		1737
1428	package cf;	1738	package cf;
1429		1739
1430	=back	1740	=back
1431		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1432		1768
1433	=head3 cf::object::player	1769	=head3 cf::object::player
1434		1770
1435	=over 4	1771	=over 4
1436		1772
…		…
1476		1812
1477	=item $player_object->enter_link	1813	=item $player_object->enter_link
1478		1814
1479	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1480		1816
1481	The player should be reaosnably safe there for short amounts of time. You	1817	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.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1483		1819
		1820	Will never block.
		1821
1484	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1485		1823
1486	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1827	fails, to the emergency map position.
1490		1828
1491	Might block.	1829	Might block.
1492		1830
1493	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1494		1842
1495	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1844	my ($self) = @_;
1497		1845
1498	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1499		1847
1500	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1849
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1851	if $self->map;
1504		1852
1505	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1854	}
1507		1855
1508	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1510		1858
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1531		1879
1532	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1533		1882
		1883	return unless $self->contr->active;
1534	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1536	}	1888	}
1537		1889
1538	cf::player->attach (	1890	cf::player->attach (
1539	on_logout => sub {	1891	on_logout => sub {
…		…
1550	my ($pl) = @_;	1902	my ($pl) = @_;
1551		1903
1552	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1905	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1557	(async {	1908	(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,	1909	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1910	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",	1911	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);	1912	cf::NDI_RED);
		1913	# we need this sleep as the login has a concurrent enter_exit running
		1914	# and this sleep increases chances of the player not ending up in scorn
1564	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1566	})->prio (2);	1917	})->prio (2);
1567	}	1918	}
1568	},	1919	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1577		1928
1578	$self->enter_link;	1929	$self->enter_link;
1579		1930
1580	(async {	1931	(async {
1581	$path = new cf::path $path;	1932	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1585		1935	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1938
1591	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1940	})->prio (1);
1593	}	1941	}
1594		1942
…		…
1598		1946
1599	sub parse_random_map_params {	1947	sub parse_random_map_params {
1600	my ($spec) = @_;	1948	my ($spec) = @_;
1601		1949
1602	my $rmp = { # defaults	1950	my $rmp = { # defaults
1603	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1605	};	1955	};
1606		1956
1607	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1609		1959
…		…
1613	$rmp	1963	$rmp
1614	}	1964	}
1615		1965
1616	sub prepare_random_map {	1966	sub prepare_random_map {
1617	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1970
1619	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1973	# that depends on the exit object
1622		1974
1623	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1624		1976
1625	if ($exit->map) {	1977	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1630	}	1982	}
1631		1983
1632	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1633		1985
1634	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1636		1989
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1639		1994
1640	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	1996	$exit->msg (undef);
1642	}	1997	}
1643	}	1998	}
1644		1999
1645	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1647		2002
1648	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
1649		2015
1650	$self->enter_link;	2016	$self->enter_link;
1651		2017
1652	(async {	2018	(async {
1653	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	2020	unless (eval {
1655	prepare_random_map $exit	2021	$self->goto ($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		2022
1661	1;	2023	1;
1662	}) {	2024	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2029
1668	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2031	$self->leave_link;
1670	}	2032	}
1671	})->prio (1);	2033	})->prio (1);
…		…
1684		2046
1685	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1687		2049
1688	utf8::encode $text;	2050	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2052	}
1691		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1692		2066
1693	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1694		2068
1695	Queues a query to the client, calling the given callback with	2069	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>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1725	# get handled first	2099	# get handled first
1726	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		2102
1729	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2105
1731	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1732		2107
1733	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2109	if (@$queue) {
…		…
1792		2167
1793	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1794		2169
1795	=pod	2170	=pod
1796		2171
1797	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1798		2173
1799	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1800	cf::object::player player	2175	cf::object::player player
1801	cf::player peaceful	2176	cf::player peaceful
1802	cf::map trigger	2177	cf::map trigger
…		…
1895	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1896	using it, it should be unique.	2271	using it, it should be unique.
1897		2272
1898	=over 4	2273	=over 4
1899		2274
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	2275	=item $value = cf::db_get $family => $key
1907		2276
1908	Returns a single value from the database	2277	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		2278
1915	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1916		2280
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	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		2282
1928	=cut	2283	=cut
1929		2284
1930	our $DB;	2285	our $DB;
1931		2286
1932	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1933	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1934		2306
1935	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1936	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1937	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1938		2311
1939	my $pid;	2312	unlink $path;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2313	};
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	});
1961
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {
1968	@_ >= 2
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972
1973	sub db_put($$;$) {
1974	if (@_ >= 3) {
1975	$DB->{$_[0]}{$_[1]} = $_[2];
1976	} else {
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981
1982	cf::global->attach (
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	2314	}
1987	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2332	}
		2333
		2334	=item cf::cache $id => ...
		2335
		2336	Generic caching function that returns the value of the resource $id,
		2337	caching and regenerating as required.
		2338
		2339	This function can block.
		2340
		2341	source => filename returning the data (must be a scalar)
		2342	expensive => true == try to cache harder
		2343	filter => sub that processes the data into a scalar
		2344
		2345	=cut
		2346
		2347	sub cache {
		2348	my ($id, %arg) = @_;
		2349
		2350	aio_stat $arg{source}
		2351	and Carp::croak "$arg{source}: $!";
		2352
		2353	my $meta = join ":", (stat _)[7,9];
		2354	my $md5;
		2355
		2356	if ($arg{expensive}) {
		2357	0 <= aio_load $arg{source}, my $buf
		2358	or Carp::croak "$arg{source}: $!";
		2359
		2360	$md5 = Digest::MD5::md5_hex $buf;
		2361	}
		2362
		2363	my $dbmeta = db_get "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we need to process
		2366	} else {
		2367	# just fetch
		2368	}
		2369
		2370
1988	}	2371	}
1989		2372
1990	#############################################################################	2373	#############################################################################
1991	# the server's main()	2374	# the server's init and main functions
		2375
		2376	sub load_facedata($) {
		2377	my ($path) = @_;
		2378
		2379	warn "loading facedata from $path\n";
		2380
		2381	my $facedata;
		2382	0 < aio_load $path, $facedata
		2383	or die "$path: $!";
		2384
		2385	$facedata = Coro::Storable::thaw $facedata;
		2386
		2387	$facedata->{version} == 2
		2388	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2389
		2390	{
		2391	my $faces = $facedata->{faceinfo};
		2392
		2393	while (my ($face, $info) = each %$faces) {
		2394	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2395	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2396	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2397	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2398	Coro::cede;
		2399	}
		2400
		2401	while (my ($face, $info) = each %$faces) {
		2402	next unless $info->{smooth};
		2403	my $idx = cf::face::find $face
		2404	or next;
		2405	if (my $smooth = cf::face::find $info->{smooth}) {
		2406	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2407	} else {
		2408	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2409	}
		2410	Coro::cede;
		2411	}
		2412	}
		2413
		2414	{
		2415	my $anims = $facedata->{animinfo};
		2416
		2417	while (my ($anim, $info) = each %$anims) {
		2418	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2419	Coro::cede;
		2420	}
		2421
		2422	cf::anim::invalidate_all; # d'oh
		2423	}
		2424
		2425	1
		2426	}
		2427
		2428	sub reload_facedata {
		2429	load_facedata sprintf "%s/facedata", cf::datadir
		2430	or die "unable to load facedata\n";
		2431	}
		2432
		2433	sub reload_regions {
		2434	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2435	or die "unable to load regions file\n";
		2436	}
		2437
		2438	sub reload_archetypes {
		2439	load_resource_file sprintf "%s/archetypes", cf::datadir
		2440	or die "unable to load archetypes\n";
		2441	}
		2442
		2443	sub reload_treasures {
		2444	load_resource_file sprintf "%s/treasures", cf::datadir
		2445	or die "unable to load treasurelists\n";
		2446	}
		2447
		2448	sub reload_resources {
		2449	warn "reloading resource files...\n";
		2450
		2451	reload_regions;
		2452	reload_facedata;
		2453	reload_archetypes;
		2454	reload_treasures;
		2455
		2456	warn "finished reloading resource files\n";
		2457	}
		2458
		2459	sub init {
		2460	reload_resources;
		2461	}
1992		2462
1993	sub cfg_load {	2463	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2464	open my $fh, "<:utf8", cf::confdir . "/config"
1995	or return;	2465	or return;
1996		2466
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2472	$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};	2473	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2474
2005	if (exists $CFG{mlockall}) {	2475	if (exists $CFG{mlockall}) {
2006	eval {	2476	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2477	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2478	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2479	};
2010	warn $@ if $@;	2480	warn $@ if $@;
2011	}	2481	}
2012	}	2482	}
2013		2483
2014	sub main {	2484	sub main {
2015	# we must not ever block the main coroutine	2485	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2486	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2487	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2488	(async {
2018	async { Event::one_event };	2489	Event::one_event;
		2490	})->prio (Coro::PRIO_MAX);
2019	};	2491	};
2020		2492
2021	cfg_load;	2493	cfg_load;
2022	db_load;	2494	db_init;
2023	load_extensions;	2495	load_extensions;
		2496
		2497	$TICK_WATCHER->start;
2024	Event::loop;	2498	Event::loop;
2025	}	2499	}
2026		2500
2027	#############################################################################	2501	#############################################################################
2028	# initialisation	2502	# initialisation and cleanup
2029		2503
		2504	# install some emergency cleanup handlers
		2505	BEGIN {
		2506	for my $signal (qw(INT HUP TERM)) {
		2507	Event->signal (
		2508	reentrant => 0,
		2509	data => WF_AUTOCANCEL,
		2510	signal => $signal,
		2511	prio => 0,
		2512	cb => sub {
		2513	cf::cleanup "SIG$signal";
		2514	},
		2515	);
		2516	}
		2517	}
		2518
		2519	sub emergency_save() {
		2520	my $freeze_guard = cf::freeze_mainloop;
		2521
		2522	warn "enter emergency perl save\n";
		2523
		2524	cf::sync_job {
		2525	# use a peculiar iteration method to avoid tripping on perl
		2526	# refcount bugs in for. also avoids problems with players
		2527	# and maps saved/destroyed asynchronously.
		2528	warn "begin emergency player save\n";
		2529	for my $login (keys %cf::PLAYER) {
		2530	my $pl = $cf::PLAYER{$login} or next;
		2531	$pl->valid or next;
		2532	$pl->save;
		2533	}
		2534	warn "end emergency player save\n";
		2535
		2536	warn "begin emergency map save\n";
		2537	for my $path (keys %cf::MAP) {
		2538	my $map = $cf::MAP{$path} or next;
		2539	$map->valid or next;
		2540	$map->save;
		2541	}
		2542	warn "end emergency map save\n";
		2543
		2544	warn "begin emergency database checkpoint\n";
		2545	BDB::db_env_txn_checkpoint $DB_ENV;
		2546	warn "end emergency database checkpoint\n";
		2547	};
		2548
		2549	warn "leave emergency perl save\n";
		2550	}
		2551
		2552	sub post_cleanup {
		2553	my ($make_core) = @_;
		2554
		2555	warn Carp::longmess "post_cleanup backtrace"
		2556	if $make_core;
		2557	}
		2558
2030	sub reload() {	2559	sub do_reload_perl() {
2031	# can/must only be called in main	2560	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2561	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2562	warn "can only reload from main coroutine";
2034	return;	2563	return;
2035	}	2564	}
2036		2565
2037	warn "reloading...";	2566	warn "reloading...";
2038		2567
2039	my $guard = freeze_mainloop;	2568	warn "entering sync_job";
		2569
		2570	cf::sync_job {
		2571	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2572	cf::emergency_save;
		2573	cf::write_runtime; # external watchdog should not bark
2041		2574
2042	eval {	2575	warn "syncing database to disk";
		2576	BDB::db_env_txn_checkpoint $DB_ENV;
		2577
2043	# if anything goes wrong in here, we should simply crash as we already saved	2578	# if anything goes wrong in here, we should simply crash as we already saved
2044		2579
2045	# cancel all watchers	2580	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2581	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2582	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2583	}
2049		2584
		2585	warn "flushing outstanding aio requests";
		2586	for (;;) {
		2587	BDB::flush;
		2588	IO::AIO::flush;
		2589	Coro::cede;
		2590	last unless IO::AIO::nreqs || BDB::nreqs;
		2591	warn "iterate...";
		2592	}
		2593
		2594	++$RELOAD;
		2595
2050	# cancel all extension coros	2596	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2597	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2598	%EXT_CORO = ();
2053		2599
2054	# unload all extensions	2600	warn "removing commands";
2055	for (@exts) {	2601	%COMMAND = ();
		2602
		2603	warn "removing ext commands";
		2604	%EXTCMD = ();
		2605
		2606	warn "unloading/nuking all extensions";
		2607	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2608	warn "... unloading $pkg";
2057	unload_extension $_;	2609
		2610	if (my $cb = $pkg->can ("unload")) {
		2611	eval {
		2612	$cb->($pkg);
		2613	1
		2614	} or warn "$pkg unloaded, but with errors: $@";
2058	}	2615	}
2059		2616
		2617	warn "... nuking $pkg";
		2618	Symbol::delete_package $pkg;
		2619	}
		2620
2060	# unload all modules loaded from $LIBDIR	2621	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2622	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2623	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2624
2064	warn "removing <$k>";	2625	warn "... unloading $k";
2065	delete $INC{$k};	2626	delete $INC{$k};
2066		2627
2067	$k =~ s/\.pm$//;	2628	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2629	$k =~ s/\//::/g;
2069		2630
…		…
2072	}	2633	}
2073		2634
2074	Symbol::delete_package $k;	2635	Symbol::delete_package $k;
2075	}	2636	}
2076		2637
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2638	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2639	Symbol::delete_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2640	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		2641
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2642	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2643	delete $INC{"cf.pm"};
2090		2644
2091	# don't, removes xs symbols, too,	2645	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2646	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2647	#Symbol::delete_package __PACKAGE__;
2094		2648
2095	# reload cf.pm	2649	warn "unload completed, starting to reload now";
		2650
2096	warn "reloading cf.pm";	2651	warn "reloading cf.pm";
2097	require cf;	2652	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2654
2100	# load config and database again	2655	warn "loading config and database again";
2101	cf::cfg_load;	2656	cf::cfg_load;
2102	cf::db_load;
2103		2657
2104	# load extensions
2105	warn "load extensions";	2658	warn "loading extensions";
2106	cf::load_extensions;	2659	cf::load_extensions;
2107		2660
2108	# reattach attachments to objects	2661	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2662	_global_reattach; # objects, sockets
2110	_global_reattach;	2663	warn "reattaching attachments to maps";
2111	};	2664	reattach $_ for values %MAP;
		2665	warn "reattaching attachments to players";
		2666	reattach $_ for values %PLAYER;
2112		2667
2113	if ($@) {	2668	warn "leaving sync_job";
		2669
		2670	1
		2671	} or do {
2114	warn $@;	2672	warn $@;
2115	warn "error while reloading, exiting.";	2673	warn "error while reloading, exiting.";
2116	exit 1;	2674	exit 1;
2117	}	2675	};
2118		2676
2119	warn "reloaded successfully";	2677	warn "reloaded";
2120	};	2678	};
2121		2679
2122	#############################################################################	2680	our $RELOAD_WATCHER; # used only during reload
2123		2681
2124	unless ($LINK_MAP) {	2682	sub reload_perl() {
2125	$LINK_MAP = cf::map::new;	2683	# doing reload synchronously and two reloads happen back-to-back,
		2684	# coro crashes during coro_state_free->destroy here.
2126		2685
2127	$LINK_MAP->width (41);	2686	$RELOAD_WATCHER ||= Event->timer (
2128	$LINK_MAP->height (41);	2687	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,	2688	after => 0,
		2689	data => WF_AUTOCANCEL,
2137	cb => sub {	2690	cb => sub {
2138	$_[0]->w->cancel;	2691	do_reload_perl;
2139		2692	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	});	2693	},
2158		2694	);
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	2695	}
2164
2165	register "<global>", __PACKAGE__;
2166		2696
2167	register_command "reload" => sub {	2697	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2698	my ($who, $arg) = @_;
2169		2699
2170	if ($who->flag (FLAG_WIZ)) {	2700	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	2701	$who->message ("reloading server.");
		2702	async { reload_perl };
2174	}	2703	}
2175	};	2704	};
2176		2705
2177	unshift @INC, $LIBDIR;	2706	unshift @INC, $LIBDIR;
		2707
		2708	my $bug_warning = 0;
		2709
		2710	our @WAIT_FOR_TICK;
		2711	our @WAIT_FOR_TICK_BEGIN;
		2712
		2713	sub wait_for_tick {
		2714	return unless $TICK_WATCHER->is_active;
		2715	return if $Coro::current == $Coro::main;
		2716
		2717	my $signal = new Coro::Signal;
		2718	push @WAIT_FOR_TICK, $signal;
		2719	$signal->wait;
		2720	}
		2721
		2722	sub wait_for_tick_begin {
		2723	return unless $TICK_WATCHER->is_active;
		2724	return if $Coro::current == $Coro::main;
		2725
		2726	my $signal = new Coro::Signal;
		2727	push @WAIT_FOR_TICK_BEGIN, $signal;
		2728	$signal->wait;
		2729	}
2178		2730
2179	$TICK_WATCHER = Event->timer (	2731	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2732	reentrant => 0,
		2733	parked => 1,
2181	prio => 0,	2734	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2735	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2736	data => WF_AUTOCANCEL,
2184	cb => sub {	2737	cb => sub {
		2738	if ($Coro::current != $Coro::main) {
		2739	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2740	unless ++$bug_warning > 10;
		2741	return;
		2742	}
		2743
		2744	$NOW = Event::time;
		2745
2185	cf::server_tick; # one server iteration	2746	cf::server_tick; # one server iteration
		2747
2186	$RUNTIME += $TICK;	2748	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2749	$NEXT_TICK += $TICK;
2188		2750
		2751	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2752	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2753	Coro::async_pool {
		2754	write_runtime
		2755	or warn "ERROR: unable to write runtime file: $!";
		2756	};
		2757	}
		2758
		2759	# my $AFTER = Event::time;
		2760	# warn $AFTER - $NOW;#d#
		2761
2189	# if we are delayed by four ticks or more, skip them all	2762	# if we are delayed by four ticks or more, skip them all
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2763	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2764
2192	$TICK_WATCHER->at ($NEXT_TICK);	2765	$TICK_WATCHER->at ($NEXT_TICK);
2193	$TICK_WATCHER->start;	2766	$TICK_WATCHER->start;
		2767
		2768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2769	$sig->send;
		2770	}
		2771	while (my $sig = shift @WAIT_FOR_TICK) {
		2772	$sig->send;
		2773	}
		2774
		2775	_post_tick;
2194	},	2776	},
2195	);	2777	);
2196		2778
		2779	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2780	BDB::max_poll_time $TICK * 0.1;
2198		2781	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2782	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2783	fd => BDB::poll_fileno,
2201	poll => 'r',	2784	poll => 'r',
2202	prio => 5,	2785	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2786	data => WF_AUTOCANCEL,
2209	after => 0,	2787	cb => \&BDB::poll_cb,
2210	interval => 10,	2788	);
2211	cb => sub {	2789	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2790
2213	write_runtime	2791	BDB::set_sync_prepare {
2214	or warn "ERROR: unable to write runtime file: $!";	2792	my $status;
		2793	my $current = $Coro::current;
		2794	(
		2795	sub {
		2796	$status = $!;
		2797	$current->ready; undef $current;
		2798	},
		2799	sub {
		2800	Coro::schedule while defined $current;
		2801	$! = $status;
		2802	},
		2803	)
		2804	};
		2805
		2806	unless ($DB_ENV) {
		2807	$DB_ENV = BDB::db_env_create;
		2808
		2809	cf::sync_job {
		2810	eval {
		2811	BDB::db_env_open
		2812	$DB_ENV,
		2813	$BDB_ENV_DIR,
		2814	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2815	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2816	0666;
		2817
		2818	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2819
		2820	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2821	$DB_ENV->set_lk_detect;
		2822	};
		2823
		2824	cf::cleanup "db_env_open(db): $@" if $@;
2215	})->();	2825	};
2216	},	2826	}
2217	);	2827	}
		2828
		2829	{
		2830	IO::AIO::min_parallel 8;
		2831
		2832	undef $Coro::AIO::WATCHER;
		2833	IO::AIO::max_poll_time $TICK * 0.1;
		2834	$AIO_POLL_WATCHER = Event->io (
		2835	reentrant => 0,
		2836	data => WF_AUTOCANCEL,
		2837	fd => IO::AIO::poll_fileno,
		2838	poll => 'r',
		2839	prio => 6,
		2840	cb => \&IO::AIO::poll_cb,
		2841	);
		2842	}
		2843
		2844	# load additional modules
		2845	use cf::pod;
2218		2846
2219	END { cf::emergency_save }	2847	END { cf::emergency_save }
2220		2848
2221	1	2849	1
2222		2850

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