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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.258 by root, Sat Apr 21 17:43:42 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;
		29	use YAML::Syck ();
22	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
23	use YAML::Syck ();
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";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
52	our %PLAYER; # all users	88	our %PLAYER; # all users
53	our %MAP; # all maps	89	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	91
56	our %EXT_CORO; # coroutines bound to extensions	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		94
58	binmode STDOUT;	95	binmode STDOUT;
59	binmode STDERR;	96	binmode STDERR;
60		97
61	# read virtual server time, if available	98	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
66	}	103	}
67		104
68	mkdir cf::localdir;	105	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		107
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
77		111
78	#############################################################################	112	#############################################################################
79		113
80	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
81		115
…		…
88	=item $cf::RUNTIME	122	=item $cf::RUNTIME
89		123
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	125	every server tick.
92		126
93	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		130
95	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
97		135
98	=item $cf::NOW	136	=item $cf::NOW
99		137
100	The time of the last (current) server tick.	138	The time of the last (current) server tick.
101		139
…		…
105		143
106	=item %cf::CFG	144	=item %cf::CFG
107		145
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		154
111	=back	155	=back
112		156
113	=cut	157	=cut
114		158
115	BEGIN {	159	BEGIN {
116	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	161	my $msg = join "", @_;
118	utf8::encode $msg;
119		162
120	$msg .= "\n"	163	$msg .= "\n"
121	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
122		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
123	LOG llevError, $msg;	169	LOG llevError, $msg;
124	};	170	};
125	}	171	}
126		172
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
146		192
147	$Event::DIED = sub {	193	$Event::DIED = sub {
148	warn "error in event callback: @_";	194	warn "error in event callback: @_";
149	};	195	};
150		196
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
156		198
157	=over 4	199	=over 4
158		200
159	=cut	201	=item dumpval $ref
160		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		225
163	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
164		227
165	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
166		229
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
175		231
176	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		233
185	=item cf::lock_wait $string	234	=item cf::lock_wait $string
186		235
187	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
188		237
…		…
194	returned.	243	returned.
195		244
196	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
198		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
199	=cut	252	=cut
200		253
201	our %LOCK;	254	our %LOCK;
202		255
203	sub lock_wait($) {	256	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
224	}	277	}
225	}	278	}
226		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
227	sub freeze_mainloop {	286	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
229		288
230	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
231	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
232	$guard	293	$guard
233	}	294	}
234		295
235	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
287	}	348	}
288	}	349	}
289		350
290	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
291		352
292	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	354	extension calling this is being unloaded.
294		355
295	=cut	356	=cut
296		357
297	sub async_ext(&) {	358	sub async_ext(&) {
…		…
306		367
307	$coro	368	$coro
308	}	369	}
309		370
310	sub write_runtime {	371	sub write_runtime {
311	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
		373
		374	my $runtime = "$LOCALDIR/runtime";
312		375
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	377	or return;
315		378
		379	my $value = $cf::RUNTIME + 90 + 10;
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	380	# 10 is the runtime save interval, for a monotonic clock
		381	# 60 allows for the watchdog to kill the server.
		382
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	384	and return;
319		385
		386	# always fsync - this file is important
320	aio_fsync $fh	387	aio_fsync $fh
321	and return;	388	and return;
322		389
323	close $fh	390	close $fh
324	or return;	391	or return;
…		…
327	and return;	394	and return;
328		395
329	1	396	1
330	}	397	}
331		398
		399	=item cf::datalog type => key => value, ...
		400
		401	Log a datalog packet of the given type with the given key-value pairs.
		402
		403	=cut
		404
		405	sub datalog($@) {
		406	my ($type, %kv) = @_;
		407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		408	}
		409
332	=back	410	=back
333		411
334	=cut	412	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		413
456	#############################################################################	414	#############################################################################
457		415
458	=head2 ATTACHABLE OBJECTS	416	=head2 ATTACHABLE OBJECTS
459		417
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	543	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	544	our @CB_MAP = ();
587		545
588	my %attachment;	546	my %attachment;
589		547
		548	sub cf::attachable::thawer_merge {
		549	# simply override everything except _meta
		550	local $_[0]{_meta};
		551	%{$_[0]} = %{$_[1]};
		552	}
		553
590	sub _attach_cb($$$$) {	554	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	555	my ($registry, $event, $prio, $cb) = @_;
592		556
593	use sort 'stable';	557	use sort 'stable';
594		558
…		…
765	# object support	729	# object support
766		730
767	sub reattach {	731	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	732	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	733	my ($obj) = @_;
		734
		735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		736
771	my $registry = $obj->registry;	737	my $registry = $obj->registry;
772		738
773	@$registry = ();	739	@$registry = ();
774		740
…		…
821	$filename, length $$rdata, scalar @$objs;	787	$filename, length $$rdata, scalar @$objs;
822		788
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	790	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	792	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	793	close $fh;
828		794
829	if (@$objs) {	795	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	797	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	798	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	799	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	800	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	801	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	802	aio_rename "$filename.pst~", "$filename.pst";
837	}	803	}
838	} else {	804	} else {
839	aio_unlink "$filename.pst";	805	aio_unlink "$filename.pst";
…		…
906	=cut	872	=cut
907		873
908	sub register_extcmd {	874	sub register_extcmd {
909	my ($name, $cb) = @_;	875	my ($name, $cb) = @_;
910		876
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	877	$EXTCMD{$name} = $cb;
915	}	878	}
916		879
917	cf::player->attach (	880	cf::player->attach (
918	on_command => sub {	881	on_command => sub {
919	my ($pl, $name, $params) = @_;	882	my ($pl, $name, $params) = @_;
…		…
932		895
933	my $msg = eval { from_json $buf };	896	my $msg = eval { from_json $buf };
934		897
935	if (ref $msg) {	898	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	900	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	901	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	902	}
940	}	903	}
941	} else {	904	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		907
945	cf::override;	908	cf::override;
946	},	909	},
947	);	910	);
948		911
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	912	sub load_extension {
956	my ($path) = @_;	913	my ($path) = @_;
957		914
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	916	my $base = $1;
960	my $pkg = $1;	917	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	918	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	919	$pkg = "ext::$pkg";
963		920
964	warn "loading '$path' into '$pkg'\n";	921	warn "... loading '$path' into '$pkg'\n";
965		922
966	open my $fh, "<:utf8", $path	923	open my $fh, "<:utf8", $path
967	or die "$path: $!";	924	or die "$path: $!";
968		925
969	my $source =	926	my $source =
970	"package $pkg; use strict; use utf8;\n"	927	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	928	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	929	. (do { local $/; <$fh> })
973	. "\n};\n1";	930	. "\n};\n1";
974		931
975	eval $source	932	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	933	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	934	: "extension disabled.\n";
978		935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	936	warn $@;
980	$ext_pkg{$base} = $pkg;	937	warn "mandatory extension failed to load, exiting.\n";
981		938	exit 1;
982	# no strict 'refs';	939	}
983	# @{"$pkg\::ISA"} = ext::;	940	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	# }	941	}
998		942
999	# remove commands	943	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	}	944	}
1024		945
1025	sub load_extensions {	946	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	947	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	948	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	952	} or warn "$ext not loaded: $@";
1032	}	953	}
1033	}	954	}
1034		955
1035	#############################################################################	956	#############################################################################
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		957
1073	=head2 CORE EXTENSIONS	958	=head2 CORE EXTENSIONS
1074		959
1075	Functions and methods that extend core crossfire objects.	960	Functions and methods that extend core crossfire objects.
1076		961
1077	=cut	962	=cut
1078		963
1079	package cf::player;	964	package cf::player;
1080		965
		966	use Coro::AIO;
		967
1081	=head3 cf::player	968	=head3 cf::player
1082		969
1083	=over 4	970	=over 4
1084		971
1085	=item cf::player::find $login	972	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	974	Returns the given player object, loading it if necessary (might block).
1088		975
1089	=cut	976	=cut
1090		977
1091	sub playerdir($) {	978	sub playerdir($) {
1092	cf::localdir	979	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	980	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	981	}
1098		982
1099	sub path($) {	983	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	984	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		985
1102	(playerdir $login) . "/$login.pl"	986	(playerdir $login) . "/playerdata"
1103	}	987	}
1104		988
1105	sub find_active($) {	989	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	990	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	991	and $cf::PLAYER{$_[0]}->active
…		…
1110		994
1111	sub exists($) {	995	sub exists($) {
1112	my ($login) = @_;	996	my ($login) = @_;
1113		997
1114	$cf::PLAYER{$login}	998	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	999	or cf::sync_job { !aio_stat path $login }
1116	}	1000	}
1117		1001
1118	sub find($) {	1002	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1003	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1004	my $login = $_[0];
1121		1005
1122	my $guard = cf::lock_acquire "user_find:$login";	1006	my $guard = cf::lock_acquire "user_find:$login";
1123		1007
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1008	$cf::PLAYER{$_[0]} || do {
		1009	# rename old playerfiles to new ones
		1010	#TODO: remove when no longer required
		1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1014	aio_unlink +(playerdir $login) . "/$login.pl";
		1015
		1016	my $pl = load_pl path $login
		1017	or return;
		1018	$cf::PLAYER{$login} = $pl
		1019	}
1125	};	1020	}
1126	}	1021	}
1127		1022
1128	sub save($) {	1023	sub save($) {
1129	my ($pl) = @_;	1024	my ($pl) = @_;
1130		1025
…		…
1133	my $path = path $pl;	1028	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1029	my $guard = cf::lock_acquire "user_save:$path";
1135		1030
1136	return if $pl->{deny_save};	1031	return if $pl->{deny_save};
1137		1032
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1033	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1034	$pl->{last_save} = $cf::RUNTIME;
1140		1035
1141	$pl->save_pl ($path);	1036	$pl->save_pl ($path);
1142	Coro::cede;	1037	Coro::cede;
1143	}	1038	}
…		…
1153	$cf::PLAYER{$login} = $self;	1048	$cf::PLAYER{$login} = $self;
1154		1049
1155	$self	1050	$self
1156	}	1051	}
1157		1052
		1053	=item $pl->quit_character
		1054
		1055	Nukes the player without looking back. If logged in, the connection will
		1056	be destroyed. May block for a long time.
		1057
		1058	=cut
		1059
1158	sub quit_character {	1060	sub quit_character {
1159	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1160		1064
1161	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1066	$pl->password ("*"); # this should lock out the player until we nuked the dir
1163		1067
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1071	$pl->ns->destroy if $pl->ns;
1168		1072
1169	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1075	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1077	$pl->destroy;
1174		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1175	IO::AIO::aio_rmtree $temp;	1084	IO::AIO::aio_rmtree $temp;
		1085	}
		1086
		1087	=item $pl->kick
		1088
		1089	Kicks a player out of the game. This destroys the connection.
		1090
		1091	=cut
		1092
		1093	sub kick {
		1094	my ($pl, $kicker) = @_;
		1095
		1096	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1097	$pl->killer ("kicked");
		1098	$pl->ns->destroy;
		1099	}
		1100
		1101	=item cf::player::list_logins
		1102
		1103	Returns am arrayref of all valid playernames in the system, can take a
		1104	while and may block, so not sync_job-capable, ever.
		1105
		1106	=cut
		1107
		1108	sub list_logins {
		1109	my $dirs = aio_readdir $PLAYERDIR
		1110	or return [];
		1111
		1112	my @logins;
		1113
		1114	for my $login (@$dirs) {
		1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1116	aio_read $fh, 0, 512, my $buf, 0 or next;
		1117	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1118
		1119	utf8::decode $login;
		1120	push @logins, $login;
1176	};	1121	}
1177	}
1178		1122
		1123	\@logins
		1124	}
		1125
		1126	=item $player->maps
		1127
		1128	Returns an arrayref of map paths that are private for this
		1129	player. May block.
		1130
		1131	=cut
		1132
		1133	sub maps($) {
		1134	my ($pl) = @_;
		1135
		1136	$pl = ref $pl ? $pl->ob->name : $pl;
		1137
		1138	my $files = aio_readdir playerdir $pl
		1139	or return;
		1140
		1141	my @paths;
		1142
		1143	for (@$files) {
		1144	utf8::decode $_;
		1145	next if /\.(?:pl|pst)$/;
		1146	next unless /^$PATH_SEP/o;
		1147
		1148	push @paths, cf::map::normalise "~$pl/$_";
		1149	}
		1150
		1151	\@paths
		1152	}
		1153
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1180		1155
1181	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1182		1157
1183	=cut	1158	=cut
1184		1159
1185	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1186	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1187		1162
1188	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1189		1164
1190	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1191	}	1166	}
1192		1167
1193	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		1175	my ($self, $type, %msg) = @_;
		1176
		1177	$self->ns->ext_event ($type, %msg);
		1178	}
		1179
		1180	=head3 cf::region
		1181
		1182	=over 4
		1183
		1184	=cut
		1185
		1186	package cf::region;
		1187
		1188	=item cf::region::find_by_path $path
		1189
		1190	Tries to decuce the probable region for a map knowing only its path.
		1191
		1192	=cut
		1193
		1194	sub find_by_path($) {
		1195	my ($path) = @_;
		1196
		1197	my ($match, $specificity);
		1198
		1199	for my $region (list) {
		1200	if ($region->match && $path =~ $region->match) {
		1201	($match, $specificity) = ($region, $region->specificity)
		1202	if $region->specificity > $specificity;
		1203	}
		1204	}
		1205
		1206	$match
		1207	}
1194		1208
1195	=back	1209	=back
1196
1197		1210
1198	=head3 cf::map	1211	=head3 cf::map
1199		1212
1200	=over 4	1213	=over 4
1201		1214
…		…
1204	package cf::map;	1217	package cf::map;
1205		1218
1206	use Fcntl;	1219	use Fcntl;
1207	use Coro::AIO;	1220	use Coro::AIO;
1208		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1209	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1211		1228
1212	sub generate_random_map {	1229	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1214
1215	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1232	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1243	(cf::region::find $rmp->{region}), $rmp->{custom}
		1244	)
		1245	}
		1246
		1247	=item cf::map->register ($regex, $prio)
		1248
		1249	Register a handler for the map path matching the given regex at the
		1250	givne priority (higher is better, built-in handlers have priority 0, the
		1251	default).
		1252
		1253	=cut
		1254
		1255	sub register {
		1256	my (undef, $regex, $prio) = @_;
		1257	my $pkg = caller;
		1258
		1259	no strict;
		1260	push @{"$pkg\::ISA"}, __PACKAGE__;
		1261
		1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1263	}
		1264
		1265	# also paths starting with '/'
		1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1267
		1268	sub thawer_merge {
		1269	my ($self, $merge) = @_;
		1270
		1271	# we have to keep some variables in memory intact
		1272	local $self->{path};
		1273	local $self->{load_path};
		1274	local $self->{deny_save};
		1275	local $self->{deny_reset};
		1276
		1277	$self->SUPER::thawer_merge ($merge);
		1278	}
		1279
		1280	sub normalise {
		1281	my ($path, $base) = @_;
		1282
		1283	$path = "$path"; # make sure its a string
		1284
		1285	$path =~ s/\.map$//;
		1286
		1287	# map plan:
		1288	#
		1289	# /! non-realised random map exit (special hack!)
		1290	# {... are special paths that are not being touched
		1291	# ?xxx/... are special absolute paths
		1292	# ?random/... random maps
		1293	# /... normal maps
		1294	# ~user/... per-player map of a specific user
		1295
		1296	$path =~ s/$PATH_SEP/\//go;
		1297
		1298	# treat it as relative path if it starts with
		1299	# something that looks reasonable
		1300	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1301	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1302
		1303	$base =~ s{[^/]+/?$}{};
		1304	$path = "$base/$path";
		1305	}
		1306
		1307	for ($path) {
		1308	redo if s{//}{/};
		1309	redo if s{/\.?/}{/};
		1310	redo if s{/[^/]+/\.\./}{/};
		1311	}
		1312
		1313	$path
		1314	}
		1315
		1316	sub new_from_path {
		1317	my (undef, $path, $base) = @_;
		1318
		1319	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1320
		1321	$path = normalise $path, $base;
		1322
		1323	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1324	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1325	my $self = bless cf::map::new, $pkg;
		1326	$self->{path} = $path; $self->path ($path);
		1327	$self->init; # pass $1 etc.
		1328	return $self;
		1329	}
		1330	}
		1331
		1332	Carp::carp "unable to resolve path '$path' (base '$base').";
		1333	()
		1334	}
		1335
		1336	sub init {
		1337	my ($self) = @_;
		1338
		1339	$self
		1340	}
		1341
		1342	sub as_string {
		1343	my ($self) = @_;
		1344
		1345	"$self->{path}"
		1346	}
		1347
		1348	# the displayed name, this is a one way mapping
		1349	sub visible_name {
		1350	&as_string
		1351	}
		1352
		1353	# the original (read-only) location
		1354	sub load_path {
		1355	my ($self) = @_;
		1356
		1357	"$MAPDIR/$self->{path}.map"
		1358	}
		1359
		1360	# the temporary/swap location
		1361	sub save_path {
		1362	my ($self) = @_;
		1363
		1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1365	"$TMPDIR/$path.map"
		1366	}
		1367
		1368	# the unique path, undef == no special unique path
		1369	sub uniq_path {
		1370	my ($self) = @_;
		1371
		1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1373	"$UNIQUEDIR/$path"
1229	}	1374	}
1230		1375
1231	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1232	# all maps in C++...	1377	# all maps in C++...
1233	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1235		1380
1236	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1237	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1238	}	1383	}
1239		1384
		1385	sub unlink_save {
		1386	my ($self) = @_;
		1387
		1388	utf8::encode (my $save = $self->save_path);
		1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1390	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1391	}
		1392
1240	sub try_load_header($) {	1393	sub load_header_from($) {
1241	my ($path) = @_;	1394	my ($self, $path) = @_;
1242		1395
1243	utf8::encode $path;	1396	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1245	or return;	1401	or return;
1246		1402
1247	my $map = cf::map::new	1403	$self->{load_path} = $path;
		1404
		1405	1
		1406	}
		1407
		1408	sub load_header_orig {
		1409	my ($self) = @_;
		1410
		1411	$self->load_header_from ($self->load_path)
		1412	}
		1413
		1414	sub load_header_temp {
		1415	my ($self) = @_;
		1416
		1417	$self->load_header_from ($self->save_path)
		1418	}
		1419
		1420	sub prepare_temp {
		1421	my ($self) = @_;
		1422
		1423	$self->last_access ((delete $self->{last_access})
		1424	|| $cf::RUNTIME); #d#
		1425	# safety
		1426	$self->{instantiate_time} = $cf::RUNTIME
		1427	if $self->{instantiate_time} > $cf::RUNTIME;
		1428	}
		1429
		1430	sub prepare_orig {
		1431	my ($self) = @_;
		1432
		1433	$self->{load_original} = 1;
		1434	$self->{instantiate_time} = $cf::RUNTIME;
		1435	$self->last_access ($cf::RUNTIME);
		1436	$self->instantiate;
		1437	}
		1438
		1439	sub load_header {
		1440	my ($self) = @_;
		1441
		1442	if ($self->load_header_temp) {
		1443	$self->prepare_temp;
		1444	} else {
		1445	$self->load_header_orig
1248	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1249		1449
1250	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1251	$map->path ($path);	1451	unless $self->default_region;
1252		1452
1253	$map->load_header ($path)	1453	1
1254	or return;
1255
1256	$map->{load_path} = $path;
1257
1258	$map
1259	}	1454	}
1260		1455
1261	sub find;	1456	sub find;
1262	sub find {	1457	sub find {
1263	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1264		1459
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1461
1270	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1271		1463
1272	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1274		1466	my $map = new_from_path cf::map $path
1275	# do it the slow way
1276	my $map = try_load_header $path->save_path;
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1467	or return;
1294		1468
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1307		1470
1308	Coro::cede;	1471	$map->load_header
		1472	or return;
1309		1473
1310	if ($map->should_reset) {	1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1475	# doing this can freeze the server in a sync job, obviously
		1476	#$cf::WAIT_FOR_TICK->wait;
1311	$map->reset;	1477	$map->reset;
1312	undef $guard;	1478	undef $guard;
1313	$map = find $path	1479	return find $path;
1314	or return;
1315	}	1480	}
1316		1481
1317	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1318	}	1483	}
1319	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1320		1488
1321	sub load {	1489	sub load {
1322	my ($self) = @_;	1490	my ($self) = @_;
1323		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1324	my $path = $self->{path};	1494	my $path = $self->{path};
		1495
		1496	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1497	my $guard = cf::lock_acquire "map_load:$path";
1326		1498
1327	return if $self->in_memory != cf::MAP_SWAPPED;	1499	return if $self->in_memory != cf::MAP_SWAPPED;
1328		1500
1329	$self->in_memory (cf::MAP_LOADING);	1501	$self->in_memory (cf::MAP_LOADING);
1330		1502
1331	$self->alloc;	1503	$self->alloc;
		1504
		1505	$self->pre_load;
		1506	Coro::cede;
		1507
1332	$self->load_objects ($self->{load_path}, 1)	1508	$self->_load_objects ($self->{load_path}, 1)
1333	or return;	1509	or return;
1334		1510
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336	if delete $self->{load_original};	1512	if delete $self->{load_original};
1337		1513
1338	if (my $uniq = $path->uniq_path) {	1514	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	1515	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	1516	if (aio_open $uniq, O_RDONLY, 0) {
1341	$self->clear_unique_items;	1517	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	1518	$self->_load_objects ($uniq, 0);
1343	}	1519	}
1344	}	1520	}
1345		1521
1346	Coro::cede;	1522	Coro::cede;
1347
1348	# now do the right thing for maps	1523	# now do the right thing for maps
1349	$self->link_multipart_objects;	1524	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	1525	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	1526	unless $self->difficulty;
		1527	Coro::cede;
		1528
		1529	unless ($self->{deny_activate}) {
		1530	$self->decay_objects;
		1531	$self->fix_auto_apply;
		1532	$self->update_buttons;
		1533	Coro::cede;
		1534	$self->set_darkness_map;
		1535	Coro::cede;
1361	$self->activate;	1536	$self->activate;
1362	}	1537	}
1363		1538
1364	Coro::cede;
1365
1366	$self->in_memory (cf::MAP_IN_MEMORY);	1539	$self->in_memory (cf::MAP_IN_MEMORY);
		1540	}
		1541
		1542	$self->post_load;
		1543	}
		1544
		1545	sub customise_for {
		1546	my ($self, $ob) = @_;
		1547
		1548	return find "~" . $ob->name . "/" . $self->{path}
		1549	if $self->per_player;
		1550
		1551	$self
		1552	}
		1553
		1554	# find and load all maps in the 3x3 area around a map
		1555	sub load_diag {
		1556	my ($map) = @_;
		1557
		1558	my @diag; # diagonal neighbours
		1559
		1560	for (0 .. 3) {
		1561	my $neigh = $map->tile_path ($_)
		1562	or next;
		1563	$neigh = find $neigh, $map
		1564	or next;
		1565	$neigh->load;
		1566
		1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1569	}
		1570
		1571	for (@diag) {
		1572	my $neigh = find @$_
		1573	or next;
		1574	$neigh->load;
		1575	}
1367	}	1576	}
1368		1577
1369	sub find_sync {	1578	sub find_sync {
1370	my ($path, $origin) = @_;	1579	my ($path, $origin) = @_;
1371		1580
1372	cf::sync_job { cf::map::find $path, $origin }	1581	cf::sync_job { find $path, $origin }
1373	}	1582	}
1374		1583
1375	sub do_load_sync {	1584	sub do_load_sync {
1376	my ($map) = @_;	1585	my ($map) = @_;
1377		1586
1378	cf::sync_job { $map->load };	1587	cf::sync_job { $map->load };
1379	}	1588	}
1380		1589
		1590	our %MAP_PREFETCH;
		1591	our $MAP_PREFETCHER = undef;
		1592
		1593	sub find_async {
		1594	my ($path, $origin) = @_;
		1595
		1596	$path = normalise $path, $origin && $origin->{path};
		1597
		1598	if (my $map = $cf::MAP{$path}) {
		1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1600	}
		1601
		1602	undef $MAP_PREFETCH{$path};
		1603	$MAP_PREFETCHER ||= cf::async {
		1604	while (%MAP_PREFETCH) {
		1605	for my $path (keys %MAP_PREFETCH) {
		1606	my $map = find $path
		1607	or next;
		1608	$map->load;
		1609
		1610	delete $MAP_PREFETCH{$path};
		1611	}
		1612	}
		1613	undef $MAP_PREFETCHER;
		1614	};
		1615	$MAP_PREFETCHER->prio (6);
		1616
		1617	()
		1618	}
		1619
1381	sub save {	1620	sub save {
1382	my ($self) = @_;	1621	my ($self) = @_;
1383		1622
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1385		1624
1386	$self->{last_save} = $cf::RUNTIME;	1625	$self->{last_save} = $cf::RUNTIME;
1387		1626
1388	return unless $self->dirty;	1627	return unless $self->dirty;
1389		1628
1390	my $save = $self->{path}->save_path; utf8::encode $save;	1629	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1630	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		1631
1393	$self->{load_path} = $save;	1632	$self->{load_path} = $save;
1394		1633
1395	return if $self->{deny_save};	1634	return if $self->{deny_save};
1396		1635
…		…
1399	cf::async {	1638	cf::async {
1400	$_->contr->save for $self->players;	1639	$_->contr->save for $self->players;
1401	};	1640	};
1402		1641
1403	if ($uniq) {	1642	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	1645	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	1647	}
1409	}	1648	}
1410		1649
1411	sub swap_out {	1650	sub swap_out {
1412	my ($self) = @_;	1651	my ($self) = @_;
…		…
1426		1665
1427	sub reset_at {	1666	sub reset_at {
1428	my ($self) = @_;	1667	my ($self) = @_;
1429		1668
1430	# TODO: safety, remove and allow resettable per-player maps	1669	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};	1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1432	return 1e99 if $self->{deny_reset};	1671	return 1e99 if $self->{deny_reset};
1433		1672
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		1675
…		…
1441	my ($self) = @_;	1680	my ($self) = @_;
1442		1681
1443	$self->reset_at <= $cf::RUNTIME	1682	$self->reset_at <= $cf::RUNTIME
1444	}	1683	}
1445		1684
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	1685	sub reset {
1468	my ($self) = @_;	1686	my ($self) = @_;
1469		1687
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	1688	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		1689
1472	return if $self->players;	1690	return if $self->players;
1473	return if $self->{path}{user_rel};#d#	1691	return if $self->isa ("ext::map_per_player");#d#
1474		1692
1475	warn "resetting map ", $self->path;#d#	1693	warn "resetting map ", $self->path;#d#
1476		1694
		1695	$self->in_memory (cf::MAP_SWAPPED);
		1696
		1697	# need to save uniques path
		1698	unless ($self->{deny_save}) {
		1699	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1700
		1701	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1702	if $uniq;
		1703	}
		1704
1477	delete $cf::MAP{$self->path};	1705	delete $cf::MAP{$self->path};
		1706
		1707	$self->clear;
1478		1708
1479	$_->clear_links_to ($self) for values %cf::MAP;	1709	$_->clear_links_to ($self) for values %cf::MAP;
1480		1710
1481	$self->unlink_save;	1711	$self->unlink_save;
1482	$self->destroy;	1712	$self->destroy;
…		…
1485	my $nuke_counter = "aaaa";	1715	my $nuke_counter = "aaaa";
1486		1716
1487	sub nuke {	1717	sub nuke {
1488	my ($self) = @_;	1718	my ($self) = @_;
1489		1719
		1720	delete $cf::MAP{$self->path};
		1721
		1722	$self->unlink_save;
		1723
		1724	bless $self, "cf::map";
		1725	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	1726	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	1727	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1729
		1730	$cf::MAP{$self->path} = $self;
		1731
1493	$self->reset; # polite request, might not happen	1732	$self->reset; # polite request, might not happen
1494	}	1733	}
1495		1734
1496	sub customise_for {	1735	=item cf::map::unique_maps
1497	my ($map, $ob) = @_;
1498		1736
1499	if ($map->per_player) {	1737	Returns an arrayref of paths of all shared maps that have
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1738	instantiated unique items. May block.
1501	}
1502		1739
1503	$map	1740	=cut
1504	}
1505		1741
1506	sub emergency_save {	1742	sub unique_maps() {
1507	my $freeze_guard = cf::freeze_mainloop;	1743	my $files = aio_readdir $UNIQUEDIR
		1744	or return;
1508		1745
1509	warn "enter emergency perl save\n";	1746	my @paths;
1510		1747
1511	cf::sync_job {	1748	for (@$files) {
1512	warn "begin emergency player save\n";	1749	utf8::decode $_;
1513	$_->save for values %cf::PLAYER;	1750	next if /\.pst$/;
1514	warn "end emergency player save\n";	1751	next unless /^$PATH_SEP/o;
1515		1752
1516	warn "begin emergency map save\n";	1753	push @paths, cf::map::normalise $_;
1517	$_->save for values %cf::MAP;
1518	warn "end emergency map save\n";
1519	};	1754	}
1520		1755
1521	warn "leave emergency perl save\n";	1756	\@paths
1522	}	1757	}
1523		1758
1524	package cf;	1759	package cf;
1525		1760
1526	=back	1761	=back
1527		1762
		1763	=head3 cf::object
		1764
		1765	=cut
		1766
		1767	package cf::object;
		1768
		1769	=over 4
		1770
		1771	=item $ob->inv_recursive
		1772
		1773	Returns the inventory of the object _and_ their inventories, recursively.
		1774
		1775	=cut
		1776
		1777	sub inv_recursive_;
		1778	sub inv_recursive_ {
		1779	map { $_, inv_recursive_ $_->inv } @_
		1780	}
		1781
		1782	sub inv_recursive {
		1783	inv_recursive_ inv $_[0]
		1784	}
		1785
		1786	package cf;
		1787
		1788	=back
1528		1789
1529	=head3 cf::object::player	1790	=head3 cf::object::player
1530		1791
1531	=over 4	1792	=over 4
1532		1793
…		…
1572		1833
1573	=item $player_object->enter_link	1834	=item $player_object->enter_link
1574		1835
1575	Freezes the player and moves him/her to a special map (C<{link}>).	1836	Freezes the player and moves him/her to a special map (C<{link}>).
1576		1837
1577	The player should be reaosnably safe there for short amounts of time. You	1838	The player should be reasonably safe there for short amounts of time. You
1578	I<MUST> call C<leave_link> as soon as possible, though.	1839	I<MUST> call C<leave_link> as soon as possible, though.
1579		1840
		1841	Will never block.
		1842
1580	=item $player_object->leave_link ($map, $x, $y)	1843	=item $player_object->leave_link ($map, $x, $y)
1581		1844
1582	Moves the player out of the specila link map onto the given map. If the	1845	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	1846	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	1847	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	1848	fails, to the emergency map position.
1586		1849
1587	Might block.	1850	Might block.
1588		1851
1589	=cut	1852	=cut
		1853
		1854	sub link_map {
		1855	unless ($LINK_MAP) {
		1856	$LINK_MAP = cf::map::find "{link}"
		1857	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1858	$LINK_MAP->load;
		1859	}
		1860
		1861	$LINK_MAP
		1862	}
1590		1863
1591	sub cf::object::player::enter_link {	1864	sub cf::object::player::enter_link {
1592	my ($self) = @_;	1865	my ($self) = @_;
1593		1866
1594	$self->deactivate_recursive;	1867	$self->activate_recursive;
1595		1868
1596	return if $self->map == $LINK_MAP;	1869	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		1870
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	1872	if $self->map;
1600		1873
1601	$self->enter_map ($LINK_MAP, 20, 20);	1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	1875	}
1603		1876
1604	sub cf::object::player::leave_link {	1877	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	1878	my ($self, $map, $x, $y) = @_;
1606		1879
…		…
1624	# use -1 or undef as default coordinates, not 0, 0	1897	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	1898	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	1899	if $x <=0 && $y <= 0;
1627		1900
1628	$map->load;	1901	$map->load;
		1902	$map->load_diag;
1629		1903
1630	return unless $self->contr->active;	1904	return unless $self->contr->active;
1631	$self->activate_recursive;	1905	$self->activate_recursive;
		1906
		1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1632	$self->enter_map ($map, $x, $y);	1908	$self->enter_map ($map, $x, $y);
1633	}	1909	}
1634		1910
1635	cf::player->attach (	1911	cf::player->attach (
1636	on_logout => sub {	1912	on_logout => sub {
…		…
1649	# try to abort aborted map switching on player login :)	1925	# try to abort aborted map switching on player login :)
1650	# should happen only on crashes	1926	# should happen only on crashes
1651	if ($pl->ob->{_link_pos}) {	1927	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;	1928	$pl->ob->enter_link;
1653	(async {	1929	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,	1930	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "	1931	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",	1932	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);	1933	cf::NDI_RED);
		1934	# we need this sleep as the login has a concurrent enter_exit running
		1935	# and this sleep increases chances of the player not ending up in scorn
1660	Coro::Timer::sleep 1;	1936	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;	1937	$pl->ob->leave_link;
1662	})->prio (2);	1938	})->prio (2);
1663	}	1939	}
1664	},	1940	},
…		…
1672	my ($self, $path, $x, $y) = @_;	1948	my ($self, $path, $x, $y) = @_;
1673		1949
1674	$self->enter_link;	1950	$self->enter_link;
1675		1951
1676	(async {	1952	(async {
1677	$path = new cf::path $path;	1953	my $map = eval {
1678
1679	my $map = cf::map::find $path->as_string;	1954	my $map = cf::map::find $path;
1680	$map = $map->customise_for ($self) if $map;	1955	$map = $map->customise_for ($self) if $map;
1681		1956	$map
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	1957	} or
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1686		1959
1687	$self->leave_link ($map, $x, $y);	1960	$self->leave_link ($map, $x, $y);
1688	})->prio (1);	1961	})->prio (1);
1689	}	1962	}
1690		1963
…		…
1694		1967
1695	sub parse_random_map_params {	1968	sub parse_random_map_params {
1696	my ($spec) = @_;	1969	my ($spec) = @_;
1697		1970
1698	my $rmp = { # defaults	1971	my $rmp = { # defaults
1699	xsize => 10,	1972	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	1973	ysize => (cf::rndm 15, 40),
		1974	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1975	#layout => string,
1701	};	1976	};
1702		1977
1703	for (split /\n/, $spec) {	1978	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	1979	my ($k, $v) = split /\s+/, $_, 2;
1705		1980
…		…
1709	$rmp	1984	$rmp
1710	}	1985	}
1711		1986
1712	sub prepare_random_map {	1987	sub prepare_random_map {
1713	my ($exit) = @_;	1988	my ($exit) = @_;
		1989
		1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1714		1991
1715	# all this does is basically replace the /! path by	1992	# all this does is basically replace the /! path by
1716	# a new random map path (?random/...) with a seed	1993	# a new random map path (?random/...) with a seed
1717	# that depends on the exit object	1994	# that depends on the exit object
1718		1995
1719	my $rmp = parse_random_map_params $exit->msg;	1996	my $rmp = parse_random_map_params $exit->msg;
1720		1997
1721	if ($exit->map) {	1998	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	1999	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	2000	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	2001	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	2002	$rmp->{origin_y} = $exit->y;
1726	}	2003	}
1727		2004
1728	$rmp->{random_seed} ||= $exit->random_seed;	2005	$rmp->{random_seed} ||= $exit->random_seed;
1729		2006
1730	my $data = cf::to_json $rmp;	2007	my $data = cf::to_json $rmp;
1731	my $md5 = Digest::MD5::md5_hex $data;	2008	my $md5 = Digest::MD5::md5_hex $data;
		2009	my $meta = "$RANDOMDIR/$md5.meta";
1732		2010
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	2012	aio_write $fh, 0, (length $data), $data, 0;
		2013	undef $fh;
		2014	aio_rename "$meta~", $meta;
1735		2015
1736	$exit->slaying ("?random/$md5");	2016	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	2017	$exit->msg (undef);
1738	}	2018	}
1739	}	2019	}
1740		2020
1741	sub cf::object::player::enter_exit {	2021	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	2022	my ($self, $exit) = @_;
1743		2023
1744	return unless $self->type == cf::PLAYER;	2024	return unless $self->type == cf::PLAYER;
		2025
		2026	if ($exit->slaying eq "/!") {
		2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2028	# the problem is that $exit might not survive long enough
		2029	# so it needs to be done right now, right here
		2030	cf::sync_job { prepare_random_map $exit };
		2031	}
		2032
		2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2034	my $hp = $exit->stats->hp;
		2035	my $sp = $exit->stats->sp;
1745		2036
1746	$self->enter_link;	2037	$self->enter_link;
1747		2038
1748	(async {	2039	(async {
1749	$self->deactivate_recursive; # just to be sure	2040	$self->deactivate_recursive; # just to be sure
1750	unless (eval {	2041	unless (eval {
1751	prepare_random_map $exit	2042	$self->goto ($slaying, $hp, $sp);
1752	if $exit->slaying eq "/!";
1753
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756		2043
1757	1;	2044	1;
1758	}) {	2045	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	2046	$self->message ("Something went wrong deep within the crossfire server. "
1760	. "I'll try to bring you back to the map you were before. "	2047	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	2048	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2049	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2050
1764	warn "ERROR in enter_exit: $@";	2051	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2052	$self->leave_link;
1766	}	2053	}
1767	})->prio (1);	2054	})->prio (1);
…		…
1780		2067
1781	sub cf::client::send_drawinfo {	2068	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2069	my ($self, $text, $flags) = @_;
1783		2070
1784	utf8::encode $text;	2071	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2073	}
1787		2074
		2075	=item $client->ext_event ($type, %msg)
		2076
		2077	Sends an exti event to the client.
		2078
		2079	=cut
		2080
		2081	sub cf::client::ext_event($$%) {
		2082	my ($self, $type, %msg) = @_;
		2083
		2084	$msg{msgtype} = "event_$type";
		2085	$self->send_packet ("ext " . cf::to_json \%msg);
		2086	}
1788		2087
1789	=item $success = $client->query ($flags, "text", \&cb)	2088	=item $success = $client->query ($flags, "text", \&cb)
1790		2089
1791	Queues a query to the client, calling the given callback with	2090	Queues a query to the client, calling the given callback with
1792	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1821	# get handled first	2120	# get handled first
1822	my $queue = delete $ns->{query_queue}	2121	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	2122	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		2123
1825	(shift @$queue)->[1]->($msg);	2124	(shift @$queue)->[1]->($msg);
		2125	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		2126
1827	push @{ $ns->{query_queue} }, @$queue;	2127	push @{ $ns->{query_queue} }, @$queue;
1828		2128
1829	if (@{ $ns->{query_queue} } == @$queue) {	2129	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	2130	if (@$queue) {
…		…
1888		2188
1889	# here we export the classes and methods available to script code	2189	# here we export the classes and methods available to script code
1890		2190
1891	=pod	2191	=pod
1892		2192
1893	The following fucntions and emthods are available within a safe environment:	2193	The following functions and methods are available within a safe environment:
1894		2194
1895	cf::object contr pay_amount pay_player map	2195	cf::object contr pay_amount pay_player map
1896	cf::object::player player	2196	cf::object::player player
1897	cf::player peaceful	2197	cf::player peaceful
1898	cf::map trigger	2198	cf::map trigger
…		…
1983	#############################################################################	2283	#############################################################################
1984		2284
1985	=head2 EXTENSION DATABASE SUPPORT	2285	=head2 EXTENSION DATABASE SUPPORT
1986		2286
1987	Crossfire maintains a very simple database for extension use. It can	2287	Crossfire maintains a very simple database for extension use. It can
1988	currently store anything that can be serialised using Storable, which	2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1989	excludes objects.	2289	convert to/from binary).
1990		2290
1991	The parameter C<$family> should best start with the name of the extension	2291	The parameter C<$family> should best start with the name of the extension
1992	using it, it should be unique.	2292	using it, it should be unique.
1993		2293
1994	=over 4	2294	=over 4
1995		2295
1996	=item $hashref = cf::db_get $family
1997
1998	Return a hashref for use by the extension C<$family>, which can be
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001
2002	=item $value = cf::db_get $family => $key	2296	=item $value = cf::db_get $family => $key
2003		2297
2004	Returns a single value from the database	2298	Returns a single value from the database.
2005
2006	=item cf::db_put $family => $hashref
2007
2008	Stores the given family hashref into the database. Updates are delayed, if
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2010		2299
2011	=item cf::db_put $family => $key => $value	2300	=item cf::db_put $family => $key => $value
2012		2301
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you	2302	Stores the given C<$value> in the family.
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023		2303
2024	=cut	2304	=cut
2025		2305
2026	our $DB;	2306	our $DB;
2027		2307
2028	{	2308	sub db_init {
2029	my $path = cf::localdir . "/database.pst";	2309	unless ($DB) {
		2310	$DB = BDB::db_create $DB_ENV;
2030		2311
2031	sub db_load() {	2312	cf::sync_job {
2032	$DB = stat $path ? Storable::retrieve $path : { };	2313	eval {
2033	}	2314	$DB->set_flags (BDB::CHKSUM);
2034		2315
2035	my $pid;	2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2036		2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2037	sub db_save() {	2318	cf::cleanup "db_open(db): $!" if $!;
2038	waitpid $pid, 0 if $pid;	2319	};
2039	if (0 == ($pid = fork)) {	2320	cf::cleanup "db_open(db): $@" if $@;
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}	2321	};
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});	2322	}
		2323	}
2057		2324
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}
2062
2063	sub db_get($;$) {	2325	sub db_get($$) {
2064	@_ >= 2	2326	my $key = "$_[0]/$_[1]";
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068		2327
		2328	cf::sync_job {
		2329	BDB::db_get $DB, undef, $key, my $data;
		2330
		2331	$! ? ()
		2332	: $data
		2333	}
		2334	}
		2335
2069	sub db_put($$;$) {	2336	sub db_put($$$) {
2070	if (@_ >= 3) {	2337	BDB::dbreq_pri 4;
2071	$DB->{$_[0]}{$_[1]} = $_[2];	2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2072	} else {	2339	}
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077		2340
2078	cf::global->attach (	2341	=item cf::cache $id => [$paths...], $processversion => $process
2079	prio => 10000,	2342
2080	on_cleanup => sub {	2343	Generic caching function that returns the value of the resource $id,
2081	db_sync;	2344	caching and regenerating as required.
		2345
		2346	This function can block.
		2347
		2348	=cut
		2349
		2350	sub cache {
		2351	my ($id, $src, $processversion, $process) = @_;
		2352
		2353	my $meta =
		2354	join "\x00",
		2355	$processversion,
		2356	map {
		2357	aio_stat $_
		2358	and Carp::croak "$_: $!";
		2359
		2360	($_, (stat _)[7,9])
		2361	} @$src;
		2362
		2363	my $dbmeta = db_get cache => "$id/meta";
		2364	if ($dbmeta ne $meta) {
		2365	# changed, we may need to process
		2366
		2367	my @data;
		2368	my $md5;
		2369
		2370	for (0 .. $#$src) {
		2371	0 <= aio_load $src->[$_], $data[$_]
		2372	or Carp::croak "$src->[$_]: $!";
2082	},	2373	}
2083	);	2374
		2375	# if processing is expensive, check
		2376	# checksum first
		2377	if (1) {
		2378	$md5 =
		2379	join "\x00",
		2380	$processversion,
		2381	map {
		2382	Coro::cede;
		2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2384	} 0.. $#$src;
		2385
		2386
		2387	my $dbmd5 = db_get cache => "$id/md5";
		2388	if ($dbmd5 eq $md5) {
		2389	db_put cache => "$id/meta", $meta;
		2390
		2391	return db_get cache => "$id/data";
		2392	}
		2393	}
		2394
		2395	my $t1 = Time::HiRes::time;
		2396	my $data = $process->(\@data);
		2397	my $t2 = Time::HiRes::time;
		2398
		2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2400
		2401	db_put cache => "$id/data", $data;
		2402	db_put cache => "$id/md5" , $md5;
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return $data;
		2406	}
		2407
		2408	db_get cache => "$id/data"
2084	}	2409	}
		2410
		2411	=item fork_call { }, $args
		2412
		2413	Executes the given code block with the given arguments in a seperate
		2414	process, returning the results. Everything must be serialisable with
		2415	Coro::Storable. May, of course, block. Note that the executed sub may
		2416	never block itself or use any form of Event handling.
		2417
		2418	=cut
		2419
		2420	sub fork_call(&@) {
		2421	my ($cb, @args) = @_;
		2422
		2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2424	# or die "socketpair: $!";
		2425	pipe my $fh1, my $fh2
		2426	or die "pipe: $!";
		2427
		2428	if (my $pid = fork) {
		2429	close $fh2;
		2430
		2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2432	$res = Coro::Storable::thaw $res;
		2433
		2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2435
		2436	die $$res unless "ARRAY" eq ref $res;
		2437
		2438	return wantarray ? @$res : $res->[-1];
		2439	} else {
		2440	local $SIG{__WARN__};
		2441	eval {
		2442	local $SIG{__DIE__};
		2443	close $fh1;
		2444
		2445	my @res = eval { $cb->(@args) };
		2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2447	};
		2448
		2449	warn $@ if $@;
		2450	_exit 0;
		2451	}
		2452	}
		2453
		2454
2085		2455
2086	#############################################################################	2456	#############################################################################
2087	# the server's main()	2457	# the server's init and main functions
		2458
		2459	sub load_facedata($) {
		2460	my ($path) = @_;
		2461
		2462	warn "loading facedata from $path\n";
		2463
		2464	my $facedata;
		2465	0 < aio_load $path, $facedata
		2466	or die "$path: $!";
		2467
		2468	$facedata = Coro::Storable::thaw $facedata;
		2469
		2470	$facedata->{version} == 2
		2471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2472
		2473	{
		2474	my $faces = $facedata->{faceinfo};
		2475
		2476	while (my ($face, $info) = each %$faces) {
		2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2481	Coro::cede;
		2482	}
		2483
		2484	while (my ($face, $info) = each %$faces) {
		2485	next unless $info->{smooth};
		2486	my $idx = cf::face::find $face
		2487	or next;
		2488	if (my $smooth = cf::face::find $info->{smooth}) {
		2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2490	} else {
		2491	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2492	}
		2493	Coro::cede;
		2494	}
		2495	}
		2496
		2497	{
		2498	my $anims = $facedata->{animinfo};
		2499
		2500	while (my ($anim, $info) = each %$anims) {
		2501	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2502	Coro::cede;
		2503	}
		2504
		2505	cf::anim::invalidate_all; # d'oh
		2506	}
		2507
		2508	1
		2509	}
		2510
		2511	sub reload_regions {
		2512	load_resource_file "$MAPDIR/regions"
		2513	or die "unable to load regions file\n";
		2514	}
		2515
		2516	sub reload_facedata {
		2517	load_facedata "$DATADIR/facedata"
		2518	or die "unable to load facedata\n";
		2519	}
		2520
		2521	sub reload_archetypes {
		2522	load_resource_file "$DATADIR/archetypes"
		2523	or die "unable to load archetypes\n";
		2524	}
		2525
		2526	sub reload_treasures {
		2527	load_resource_file "$DATADIR/treasures"
		2528	or die "unable to load treasurelists\n";
		2529	}
		2530
		2531	sub reload_resources {
		2532	warn "reloading resource files...\n";
		2533
		2534	reload_regions;
		2535	reload_facedata;
		2536	reload_archetypes;
		2537	reload_treasures;
		2538
		2539	warn "finished reloading resource files\n";
		2540	}
		2541
		2542	sub init {
		2543	reload_resources;
		2544	}
2088		2545
2089	sub cfg_load {	2546	sub cfg_load {
2090	open my $fh, "<:utf8", cf::confdir . "/config"	2547	open my $fh, "<:utf8", "$CONFDIR/config"
2091	or return;	2548	or return;
2092		2549
2093	local $/;	2550	local $/;
2094	*CFG = YAML::Syck::Load <$fh>;	2551	*CFG = YAML::Syck::Load <$fh>;
2095		2552
…		…
2109		2566
2110	sub main {	2567	sub main {
2111	# we must not ever block the main coroutine	2568	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	2569	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2571	(async {
2114	async { Event::one_event };	2572	Event::one_event;
		2573	})->prio (Coro::PRIO_MAX);
2115	};	2574	};
2116		2575
2117	cfg_load;	2576	cfg_load;
2118	db_load;	2577	db_init;
2119	load_extensions;	2578	load_extensions;
		2579
		2580	$TICK_WATCHER->start;
2120	Event::loop;	2581	Event::loop;
2121	}	2582	}
2122		2583
2123	#############################################################################	2584	#############################################################################
2124	# initialisation	2585	# initialisation and cleanup
2125		2586
		2587	# install some emergency cleanup handlers
		2588	BEGIN {
		2589	for my $signal (qw(INT HUP TERM)) {
		2590	Event->signal (
		2591	reentrant => 0,
		2592	data => WF_AUTOCANCEL,
		2593	signal => $signal,
		2594	prio => 0,
		2595	cb => sub {
		2596	cf::cleanup "SIG$signal";
		2597	},
		2598	);
		2599	}
		2600	}
		2601
		2602	sub emergency_save() {
		2603	my $freeze_guard = cf::freeze_mainloop;
		2604
		2605	warn "enter emergency perl save\n";
		2606
		2607	cf::sync_job {
		2608	# use a peculiar iteration method to avoid tripping on perl
		2609	# refcount bugs in for. also avoids problems with players
		2610	# and maps saved/destroyed asynchronously.
		2611	warn "begin emergency player save\n";
		2612	for my $login (keys %cf::PLAYER) {
		2613	my $pl = $cf::PLAYER{$login} or next;
		2614	$pl->valid or next;
		2615	$pl->save;
		2616	}
		2617	warn "end emergency player save\n";
		2618
		2619	warn "begin emergency map save\n";
		2620	for my $path (keys %cf::MAP) {
		2621	my $map = $cf::MAP{$path} or next;
		2622	$map->valid or next;
		2623	$map->save;
		2624	}
		2625	warn "end emergency map save\n";
		2626
		2627	warn "begin emergency database checkpoint\n";
		2628	BDB::db_env_txn_checkpoint $DB_ENV;
		2629	warn "end emergency database checkpoint\n";
		2630	};
		2631
		2632	warn "leave emergency perl save\n";
		2633	}
		2634
		2635	sub post_cleanup {
		2636	my ($make_core) = @_;
		2637
		2638	warn Carp::longmess "post_cleanup backtrace"
		2639	if $make_core;
		2640	}
		2641
2126	sub reload() {	2642	sub do_reload_perl() {
2127	# can/must only be called in main	2643	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	2644	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	2645	warn "can only reload from main coroutine";
2130	return;	2646	return;
2131	}	2647	}
2132		2648
2133	warn "reloading...";	2649	warn "reloading...";
2134		2650
2135	my $guard = freeze_mainloop;	2651	warn "entering sync_job";
		2652
		2653	cf::sync_job {
		2654	cf::write_runtime; # external watchdog should not bark
2136	cf::emergency_save;	2655	cf::emergency_save;
		2656	cf::write_runtime; # external watchdog should not bark
2137		2657
2138	eval {	2658	warn "syncing database to disk";
		2659	BDB::db_env_txn_checkpoint $DB_ENV;
		2660
2139	# if anything goes wrong in here, we should simply crash as we already saved	2661	# if anything goes wrong in here, we should simply crash as we already saved
2140		2662
2141	# cancel all watchers	2663	warn "cancelling all WF_AUTOCANCEL watchers";
2142	for (Event::all_watchers) {	2664	for (Event::all_watchers) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2144	}	2666	}
2145		2667
		2668	warn "flushing outstanding aio requests";
		2669	for (;;) {
		2670	BDB::flush;
		2671	IO::AIO::flush;
		2672	Coro::cede;
		2673	last unless IO::AIO::nreqs || BDB::nreqs;
		2674	warn "iterate...";
		2675	}
		2676
		2677	++$RELOAD;
		2678
2146	# cancel all extension coros	2679	warn "cancelling all extension coros";
2147	$_->cancel for values %EXT_CORO;	2680	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();	2681	%EXT_CORO = ();
2149		2682
2150	# unload all extensions	2683	warn "removing commands";
2151	for (@exts) {	2684	%COMMAND = ();
		2685
		2686	warn "removing ext commands";
		2687	%EXTCMD = ();
		2688
		2689	warn "unloading/nuking all extensions";
		2690	for my $pkg (@EXTS) {
2152	warn "unloading <$_>";	2691	warn "... unloading $pkg";
2153	unload_extension $_;	2692
		2693	if (my $cb = $pkg->can ("unload")) {
		2694	eval {
		2695	$cb->($pkg);
		2696	1
		2697	} or warn "$pkg unloaded, but with errors: $@";
2154	}	2698	}
2155		2699
		2700	warn "... nuking $pkg";
		2701	Symbol::delete_package $pkg;
		2702	}
		2703
2156	# unload all modules loaded from $LIBDIR	2704	warn "unloading all perl modules loaded from $LIBDIR";
2157	while (my ($k, $v) = each %INC) {	2705	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159		2707
2160	warn "removing <$k>";	2708	warn "... unloading $k";
2161	delete $INC{$k};	2709	delete $INC{$k};
2162		2710
2163	$k =~ s/\.pm$//;	2711	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;	2712	$k =~ s/\//::/g;
2165		2713
…		…
2168	}	2716	}
2169		2717
2170	Symbol::delete_package $k;	2718	Symbol::delete_package $k;
2171	}	2719	}
2172		2720
2173	# sync database to disk
2174	cf::db_sync;
2175	IO::AIO::flush;
2176
2177	# get rid of safe::, as good as possible	2721	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	2722	Symbol::delete_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		2724
2181	# remove register_script_function callbacks
2182	# TODO
2183
2184	# unload cf.pm "a bit"	2725	warn "unloading cf.pm \"a bit\"";
2185	delete $INC{"cf.pm"};	2726	delete $INC{"cf.pm"};
		2727	delete $INC{"cf/pod.pm"};
2186		2728
2187	# don't, removes xs symbols, too,	2729	# don't, removes xs symbols, too,
2188	# and global variables created in xs	2730	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	2731	#Symbol::delete_package __PACKAGE__;
2190		2732
2191	# reload cf.pm	2733	warn "unload completed, starting to reload now";
		2734
2192	warn "reloading cf.pm";	2735	warn "reloading cf.pm";
2193	require cf;	2736	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195		2738
2196	# load config and database again	2739	warn "loading config and database again";
2197	cf::cfg_load;	2740	cf::cfg_load;
2198	cf::db_load;
2199		2741
2200	# load extensions
2201	warn "load extensions";	2742	warn "loading extensions";
2202	cf::load_extensions;	2743	cf::load_extensions;
2203		2744
2204	# reattach attachments to objects	2745	warn "reattaching attachments to objects/players";
2205	warn "reattach";	2746	_global_reattach; # objects, sockets
2206	_global_reattach;	2747	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	2748	reattach $_ for values %MAP;
2208	};	2749	warn "reattaching attachments to players";
		2750	reattach $_ for values %PLAYER;
2209		2751
2210	if ($@) {	2752	warn "leaving sync_job";
		2753
		2754	1
		2755	} or do {
2211	warn $@;	2756	warn $@;
2212	warn "error while reloading, exiting.";	2757	warn "error while reloading, exiting.";
2213	exit 1;	2758	exit 1;
2214	}	2759	};
2215		2760
2216	warn "reloaded successfully";	2761	warn "reloaded";
2217	};	2762	};
2218		2763
2219	#############################################################################	2764	our $RELOAD_WATCHER; # used only during reload
2220		2765
2221	unless ($LINK_MAP) {	2766	sub reload_perl() {
2222	$LINK_MAP = cf::map::new;	2767	# doing reload synchronously and two reloads happen back-to-back,
		2768	# coro crashes during coro_state_free->destroy here.
2223		2769
2224	$LINK_MAP->width (41);	2770	$RELOAD_WATCHER ||= Event->timer (
2225	$LINK_MAP->height (41);	2771	reentrant => 0,
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,	2772	after => 0,
		2773	data => WF_AUTOCANCEL,
2234	cb => sub {	2774	cb => sub {
2235	$_[0]->w->cancel;	2775	do_reload_perl;
2236		2776	undef $RELOAD_WATCHER;
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});	2777	},
2255		2778	);
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}	2779	}
2261
2262	register "<global>", __PACKAGE__;
2263		2780
2264	register_command "reload" => sub {	2781	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	2782	my ($who, $arg) = @_;
2266		2783
2267	if ($who->flag (FLAG_WIZ)) {	2784	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");
2269	reload;
2270	$who->message ("end of reload.");	2785	$who->message ("reloading server.");
		2786	async { reload_perl };
2271	}	2787	}
2272	};	2788	};
2273		2789
2274	unshift @INC, $LIBDIR;	2790	unshift @INC, $LIBDIR;
		2791
		2792	my $bug_warning = 0;
		2793
		2794	our @WAIT_FOR_TICK;
		2795	our @WAIT_FOR_TICK_BEGIN;
		2796
		2797	sub wait_for_tick {
		2798	return unless $TICK_WATCHER->is_active;
		2799	return if $Coro::current == $Coro::main;
		2800
		2801	my $signal = new Coro::Signal;
		2802	push @WAIT_FOR_TICK, $signal;
		2803	$signal->wait;
		2804	}
		2805
		2806	sub wait_for_tick_begin {
		2807	return unless $TICK_WATCHER->is_active;
		2808	return if $Coro::current == $Coro::main;
		2809
		2810	my $signal = new Coro::Signal;
		2811	push @WAIT_FOR_TICK_BEGIN, $signal;
		2812	$signal->wait;
		2813	}
2275		2814
2276	$TICK_WATCHER = Event->timer (	2815	$TICK_WATCHER = Event->timer (
2277	reentrant => 0,	2816	reentrant => 0,
		2817	parked => 1,
2278	prio => 0,	2818	prio => 0,
2279	at => $NEXT_TICK || $TICK,	2819	at => $NEXT_TICK || $TICK,
2280	data => WF_AUTOCANCEL,	2820	data => WF_AUTOCANCEL,
2281	cb => sub {	2821	cb => sub {
		2822	if ($Coro::current != $Coro::main) {
		2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2824	unless ++$bug_warning > 10;
		2825	return;
		2826	}
		2827
		2828	$NOW = Event::time;
		2829
2282	cf::server_tick; # one server iteration	2830	cf::server_tick; # one server iteration
		2831
2283	$RUNTIME += $TICK;	2832	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;	2833	$NEXT_TICK += $TICK;
2285		2834
		2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2836	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2837	Coro::async_pool {
		2838	write_runtime
		2839	or warn "ERROR: unable to write runtime file: $!";
		2840	};
		2841	}
		2842
		2843	# my $AFTER = Event::time;
		2844	# warn $AFTER - $NOW;#d#
		2845
2286	# if we are delayed by four ticks or more, skip them all	2846	# if we are delayed by four ticks or more, skip them all
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		2848
2289	$TICK_WATCHER->at ($NEXT_TICK);	2849	$TICK_WATCHER->at ($NEXT_TICK);
2290	$TICK_WATCHER->start;	2850	$TICK_WATCHER->start;
		2851
		2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2853	$sig->send;
		2854	}
		2855	while (my $sig = shift @WAIT_FOR_TICK) {
		2856	$sig->send;
		2857	}
		2858
		2859	_post_tick;
2291	},	2860	},
2292	);	2861	);
2293		2862
		2863	{
2294	IO::AIO::max_poll_time $TICK * 0.2;	2864	BDB::max_poll_time $TICK * 0.1;
2295		2865	$BDB_POLL_WATCHER = Event->io (
2296	Event->io (	2866	reentrant => 0,
2297	fd => IO::AIO::poll_fileno,	2867	fd => BDB::poll_fileno,
2298	poll => 'r',	2868	poll => 'r',
2299	prio => 5,	2869	prio => 0,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,	2870	data => WF_AUTOCANCEL,
2306	after => 0,	2871	cb => \&BDB::poll_cb,
2307	interval => 10,	2872	);
2308	cb => sub {	2873	BDB::min_parallel 8;
2309	(Coro::unblock_sub {	2874
2310	write_runtime	2875	BDB::set_sync_prepare {
2311	or warn "ERROR: unable to write runtime file: $!";	2876	my $status;
		2877	my $current = $Coro::current;
		2878	(
		2879	sub {
		2880	$status = $!;
		2881	$current->ready; undef $current;
		2882	},
		2883	sub {
		2884	Coro::schedule while defined $current;
		2885	$! = $status;
		2886	},
		2887	)
		2888	};
		2889
		2890	unless ($DB_ENV) {
		2891	$DB_ENV = BDB::db_env_create;
		2892
		2893	cf::sync_job {
		2894	eval {
		2895	BDB::db_env_open
		2896	$DB_ENV,
		2897	$BDBDIR,
		2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2900	0666;
		2901
		2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2903
		2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2905	$DB_ENV->set_lk_detect;
		2906	};
		2907
		2908	cf::cleanup "db_env_open(db): $@" if $@;
2312	})->();	2909	};
2313	},	2910	}
2314	);	2911	}
		2912
		2913	{
		2914	IO::AIO::min_parallel 8;
		2915
		2916	undef $Coro::AIO::WATCHER;
		2917	IO::AIO::max_poll_time $TICK * 0.1;
		2918	$AIO_POLL_WATCHER = Event->io (
		2919	reentrant => 0,
		2920	data => WF_AUTOCANCEL,
		2921	fd => IO::AIO::poll_fileno,
		2922	poll => 'r',
		2923	prio => 6,
		2924	cb => \&IO::AIO::poll_cb,
		2925	);
		2926	}
		2927
		2928	# load additional modules
		2929	use cf::pod;
2315		2930
2316	END { cf::emergency_save }	2931	END { cf::emergency_save }
2317		2932
2318	1	2933	1
2319		2934

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