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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.254 by root, Thu Apr 19 11:12:45 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-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
123	LOG llevError, "cfperl: $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';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::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
…		…
1132		1027
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};
		1032
		1033	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1034	$pl->{last_save} = $cf::RUNTIME;
1138		1035
1139	Coro::cede;
1140	$pl->save_pl ($path);	1036	$pl->save_pl ($path);
1141	Coro::cede;	1037	Coro::cede;
1142	}	1038	}
1143		1039
1144	sub new($) {	1040	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1048	$cf::PLAYER{$login} = $self;
1153		1049
1154	$self	1050	$self
1155	}	1051	}
1156		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
1157	sub quit_character {	1060	sub quit_character {
1158	my ($pl) = @_;	1061	my ($pl) = @_;
		1062
		1063	my $name = $pl->ob->name;
1159		1064
1160	$pl->{deny_save} = 1;	1065	$pl->{deny_save} = 1;
1161	$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
1162		1067
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1071	$pl->ns->destroy if $pl->ns;
1167		1072
1168	my $path = playerdir $pl;	1073	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1074	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1075	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1076	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1077	$pl->destroy;
1173		1078
		1079	my $prefix = qr<^~\Q$name\E/>;
		1080
		1081	# nuke player maps
		1082	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1083
1174	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;
1175	};	1121	}
1176	}
1177		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
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1154	=item $player->ext_reply ($msgid, %msg)
1179		1155
1180	Sends an ext reply to the player.	1156	Sends an ext reply to the player.
1181		1157
1182	=cut	1158	=cut
1183		1159
1184	sub ext_reply($$$%) {	1160	sub ext_reply($$%) {
1185	my ($self, $id, %msg) = @_;	1161	my ($self, $id, %msg) = @_;
1186		1162
1187	$msg{msgid} = $id;	1163	$msg{msgid} = $id;
1188		1164
1189	$self->send ("ext " . cf::to_json \%msg);	1165	$self->send ("ext " . cf::to_json \%msg);
1190	}	1166	}
1191		1167
1192	package cf;	1168	=item $player->ext_event ($type, %msg)
		1169
		1170	Sends an ext event to the client.
		1171
		1172	=cut
		1173
		1174	sub ext_event($$%) {
		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	}
1193		1208
1194	=back	1209	=back
1195
1196		1210
1197	=head3 cf::map	1211	=head3 cf::map
1198		1212
1199	=over 4	1213	=over 4
1200		1214
…		…
1203	package cf::map;	1217	package cf::map;
1204		1218
1205	use Fcntl;	1219	use Fcntl;
1206	use Coro::AIO;	1220	use Coro::AIO;
1207		1221
		1222	use overload
		1223	'""' => \&as_string,
		1224	fallback => 1;
		1225
1208	our $MAX_RESET = 3600;	1226	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1227	our $DEFAULT_RESET = 3000;
1210		1228
1211	sub generate_random_map {	1229	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1230	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1231	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1232	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1236	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1237	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$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},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(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"
1228	}	1374	}
1229		1375
1230	# and all this just because we cannot iterate over	1376	# and all this just because we cannot iterate over
1231	# all maps in C++...	1377	# all maps in C++...
1232	sub change_all_map_light {	1378	sub change_all_map_light {
…		…
1234		1380
1235	$_->change_map_light ($change)	1381	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1382	for grep $_->outdoor, values %cf::MAP;
1237	}	1383	}
1238		1384
		1385	sub unlink_save {
		1386	my ($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
1239	sub try_load_header($) {	1393	sub load_header_from($) {
1240	my ($path) = @_;	1394	my ($self, $path) = @_;
1241		1395
1242	utf8::encode $path;	1396	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1397	#aio_open $path, O_RDONLY, 0
		1398	# or return;
		1399
		1400	$self->_load_header ($path)
1244	or return;	1401	or return;
1245		1402
1246	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
1247	or return;	1446	or return;
		1447	$self->prepare_orig;
		1448	}
1248		1449
1249	# for better error messages only, will be overwritten	1450	$self->default_region (cf::region::find_by_path $self->{path})
1250	$map->path ($path);	1451	unless $self->default_region;
1251		1452
1252	$map->load_header ($path)	1453	1
1253	or return;
1254
1255	$map->{load_path} = $path;
1256
1257	$map
1258	}	1454	}
1259		1455
1260	sub find;	1456	sub find;
1261	sub find {	1457	sub find {
1262	my ($path, $origin) = @_;	1458	my ($path, $origin) = @_;
1263		1459
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1460	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1461
1269	cf::lock_wait "map_find:$key";	1462	cf::lock_wait "map_find:$path";
1270		1463
1271	$cf::MAP{$key} || do {	1464	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1465	my $guard = cf::lock_acquire "map_find:$path";
1273		1466	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1467	or return;
1293		1468
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1469	$map->{last_save} = $cf::RUNTIME;
1306		1470
1307	Coro::cede;	1471	$map->load_header
		1472	or return;
1308		1473
1309	if ($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;
1310	$map->reset;	1477	$map->reset;
1311	undef $guard;	1478	undef $guard;
1312	$map = find $path	1479	return find $path;
1313	or return;
1314	}	1480	}
1315		1481
1316	$cf::MAP{$key} = $map	1482	$cf::MAP{$path} = $map
1317	}	1483	}
1318	}	1484	}
		1485
		1486	sub pre_load { }
		1487	sub post_load { }
1319		1488
1320	sub load {	1489	sub load {
1321	my ($self) = @_;	1490	my ($self) = @_;
1322		1491
		1492	local $self->{deny_reset} = 1; # loading can take a long time
		1493
1323	my $path = $self->{path};	1494	my $path = $self->{path};
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1495	my $guard = cf::lock_acquire "map_load:$path";
1325		1496
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1497	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1498
1328	$self->in_memory (cf::MAP_LOADING);	1499	$self->in_memory (cf::MAP_LOADING);
1329		1500
1330	$self->alloc;	1501	$self->alloc;
		1502
		1503	$self->pre_load;
		1504	Coro::cede;
		1505
1331	$self->load_objects ($self->{load_path}, 1)	1506	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1507	or return;
1333		1508
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1510	if delete $self->{load_original};
1336		1511
1337	if (my $uniq = $path->uniq_path) {	1512	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1513	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1514	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1515	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1516	$self->_load_objects ($uniq, 0);
1342	}	1517	}
1343	}	1518	}
1344		1519
1345	Coro::cede;	1520	Coro::cede;
1346
1347	# now do the right thing for maps	1521	# now do the right thing for maps
1348	$self->link_multipart_objects;	1522	$self->link_multipart_objects;
		1523	Coro::cede;
1349		1524
1350	if ($self->{path}->is_style_map) {	1525	unless ($self->{deny_activate}) {
1351	$self->{deny_save} = 1;	1526	$self->decay_objects;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;	1527	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;	1528	$self->update_buttons;
		1529	Coro::cede;
1357	$self->set_darkness_map;	1530	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1531	$self->difficulty ($self->estimate_difficulty)
1359	unless $self->difficulty;	1532	unless $self->difficulty;
		1533	Coro::cede;
1360	$self->activate;	1534	$self->activate;
		1535	Coro::cede;
1361	}	1536	}
1362		1537
		1538	$self->post_load;
1363	Coro::cede;	1539	Coro::cede;
1364		1540
1365	$self->in_memory (cf::MAP_IN_MEMORY);	1541	$self->in_memory (cf::MAP_IN_MEMORY);
		1542	}
		1543
		1544	sub customise_for {
		1545	my ($self, $ob) = @_;
		1546
		1547	return find "~" . $ob->name . "/" . $self->{path}
		1548	if $self->per_player;
		1549
		1550	$self
		1551	}
		1552
		1553	# find and load all maps in the 3x3 area around a map
		1554	sub load_diag {
		1555	my ($map) = @_;
		1556
		1557	my @diag; # diagonal neighbours
		1558
		1559	for (0 .. 3) {
		1560	my $neigh = $map->tile_path ($_)
		1561	or next;
		1562	$neigh = find $neigh, $map
		1563	or next;
		1564	$neigh->load;
		1565
		1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1568	}
		1569
		1570	for (@diag) {
		1571	my $neigh = find @$_
		1572	or next;
		1573	$neigh->load;
		1574	}
1366	}	1575	}
1367		1576
1368	sub find_sync {	1577	sub find_sync {
1369	my ($path, $origin) = @_;	1578	my ($path, $origin) = @_;
1370		1579
1371	cf::sync_job { cf::map::find $path, $origin }	1580	cf::sync_job { find $path, $origin }
1372	}	1581	}
1373		1582
1374	sub do_load_sync {	1583	sub do_load_sync {
1375	my ($map) = @_;	1584	my ($map) = @_;
1376		1585
1377	cf::sync_job { $map->load };	1586	cf::sync_job { $map->load };
1378	}	1587	}
1379		1588
		1589	our %MAP_PREFETCH;
		1590	our $MAP_PREFETCHER = undef;
		1591
		1592	sub find_async {
		1593	my ($path, $origin) = @_;
		1594
		1595	$path = normalise $path, $origin && $origin->{path};
		1596
		1597	if (my $map = $cf::MAP{$path}) {
		1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1599	}
		1600
		1601	undef $MAP_PREFETCH{$path};
		1602	$MAP_PREFETCHER ||= cf::async {
		1603	while (%MAP_PREFETCH) {
		1604	for my $path (keys %MAP_PREFETCH) {
		1605	my $map = find $path
		1606	or next;
		1607	$map->load;
		1608
		1609	delete $MAP_PREFETCH{$path};
		1610	}
		1611	}
		1612	undef $MAP_PREFETCHER;
		1613	};
		1614	$MAP_PREFETCHER->prio (6);
		1615
		1616	()
		1617	}
		1618
1380	sub save {	1619	sub save {
1381	my ($self) = @_;	1620	my ($self) = @_;
1382		1621
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1622	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1623
1385	$self->{last_save} = $cf::RUNTIME;	1624	$self->{last_save} = $cf::RUNTIME;
1386		1625
1387	return unless $self->dirty;	1626	return unless $self->dirty;
1388		1627
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1628	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1630
1392	$self->{load_path} = $save;	1631	$self->{load_path} = $save;
1393		1632
1394	return if $self->{deny_save};	1633	return if $self->{deny_save};
1395		1634
…		…
1398	cf::async {	1637	cf::async {
1399	$_->contr->save for $self->players;	1638	$_->contr->save for $self->players;
1400	};	1639	};
1401		1640
1402	if ($uniq) {	1641	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1643	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1644	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1646	}
1408	}	1647	}
1409		1648
1410	sub swap_out {	1649	sub swap_out {
1411	my ($self) = @_;	1650	my ($self) = @_;
…		…
1425		1664
1426	sub reset_at {	1665	sub reset_at {
1427	my ($self) = @_;	1666	my ($self) = @_;
1428		1667
1429	# TODO: safety, remove and allow resettable per-player maps	1668	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1670	return 1e99 if $self->{deny_reset};
1432		1671
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1674
…		…
1440	my ($self) = @_;	1679	my ($self) = @_;
1441		1680
1442	$self->reset_at <= $cf::RUNTIME	1681	$self->reset_at <= $cf::RUNTIME
1443	}	1682	}
1444		1683
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1684	sub reset {
1467	my ($self) = @_;	1685	my ($self) = @_;
1468		1686
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1687	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1688
1471	return if $self->players;	1689	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1690	return if $self->isa ("ext::map_per_player");#d#
1473		1691
1474	warn "resetting map ", $self->path;#d#	1692	warn "resetting map ", $self->path;#d#
1475		1693
		1694	$self->in_memory (cf::MAP_SWAPPED);
		1695
		1696	# need to save uniques path
		1697	unless ($self->{deny_save}) {
		1698	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1699
		1700	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1701	if $uniq;
		1702	}
		1703
1476	delete $cf::MAP{$self->path};	1704	delete $cf::MAP{$self->path};
		1705
		1706	$self->clear;
1477		1707
1478	$_->clear_links_to ($self) for values %cf::MAP;	1708	$_->clear_links_to ($self) for values %cf::MAP;
1479		1709
1480	$self->unlink_save;	1710	$self->unlink_save;
1481	$self->destroy;	1711	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1714	my $nuke_counter = "aaaa";
1485		1715
1486	sub nuke {	1716	sub nuke {
1487	my ($self) = @_;	1717	my ($self) = @_;
1488		1718
		1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->unlink_save;
		1722
		1723	bless $self, "cf::map";
		1724	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1725	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1726	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1728
		1729	$cf::MAP{$self->path} = $self;
		1730
1492	$self->reset; # polite request, might not happen	1731	$self->reset; # polite request, might not happen
1493	}	1732	}
1494		1733
1495	sub customise_for {	1734	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1735
1498	if ($map->per_player) {	1736	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1737	instantiated unique items. May block.
1500	}
1501		1738
1502	$map	1739	=cut
1503	}
1504		1740
1505	sub emergency_save {	1741	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1742	my $files = aio_readdir $UNIQUEDIR
		1743	or return;
1507		1744
1508	warn "enter emergency perl save\n";	1745	my @paths;
1509		1746
1510	cf::sync_job {	1747	for (@$files) {
1511	warn "begin emergency player save\n";	1748	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1749	next if /\.pst$/;
1513	warn "end emergency player save\n";	1750	next unless /^$PATH_SEP/o;
1514		1751
1515	warn "begin emergency map save\n";	1752	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1753	}
1519		1754
1520	warn "leave emergency perl save\n";	1755	\@paths
1521	}	1756	}
1522		1757
1523	package cf;	1758	package cf;
1524		1759
1525	=back	1760	=back
1526		1761
		1762	=head3 cf::object
		1763
		1764	=cut
		1765
		1766	package cf::object;
		1767
		1768	=over 4
		1769
		1770	=item $ob->inv_recursive
		1771
		1772	Returns the inventory of the object _and_ their inventories, recursively.
		1773
		1774	=cut
		1775
		1776	sub inv_recursive_;
		1777	sub inv_recursive_ {
		1778	map { $_, inv_recursive_ $_->inv } @_
		1779	}
		1780
		1781	sub inv_recursive {
		1782	inv_recursive_ inv $_[0]
		1783	}
		1784
		1785	package cf;
		1786
		1787	=back
1527		1788
1528	=head3 cf::object::player	1789	=head3 cf::object::player
1529		1790
1530	=over 4	1791	=over 4
1531		1792
…		…
1571		1832
1572	=item $player_object->enter_link	1833	=item $player_object->enter_link
1573		1834
1574	Freezes the player and moves him/her to a special map (C<{link}>).	1835	Freezes the player and moves him/her to a special map (C<{link}>).
1575		1836
1576	The player should be reaosnably safe there for short amounts of time. You	1837	The player should be reasonably safe there for short amounts of time. You
1577	I<MUST> call C<leave_link> as soon as possible, though.	1838	I<MUST> call C<leave_link> as soon as possible, though.
1578		1839
		1840	Will never block.
		1841
1579	=item $player_object->leave_link ($map, $x, $y)	1842	=item $player_object->leave_link ($map, $x, $y)
1580		1843
1581	Moves the player out of the specila link map onto the given map. If the	1844	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1845	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1846	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1847	fails, to the emergency map position.
1585		1848
1586	Might block.	1849	Might block.
1587		1850
1588	=cut	1851	=cut
		1852
		1853	sub link_map {
		1854	unless ($LINK_MAP) {
		1855	$LINK_MAP = cf::map::find "{link}"
		1856	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1857	$LINK_MAP->load;
		1858	}
		1859
		1860	$LINK_MAP
		1861	}
1589		1862
1590	sub cf::object::player::enter_link {	1863	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1864	my ($self) = @_;
1592		1865
1593	$self->deactivate_recursive;	1866	$self->deactivate_recursive;
1594		1867
1595	return if $self->map == $LINK_MAP;	1868	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1869
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1871	if $self->map;
1599		1872
1600	$self->enter_map ($LINK_MAP, 20, 20);	1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1874	}
1602		1875
1603	sub cf::object::player::leave_link {	1876	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1877	my ($self, $map, $x, $y) = @_;
1605		1878
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1896	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1897	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1898	if $x <=0 && $y <= 0;
1626		1899
1627	$map->load;	1900	$map->load;
		1901	$map->load_diag;
1628		1902
1629	return unless $self->contr->active;	1903	return unless $self->contr->active;
1630	$self->activate_recursive;	1904	$self->activate_recursive;
		1905
		1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	1907	$self->enter_map ($map, $x, $y);
1632	}	1908	}
1633		1909
1634	cf::player->attach (	1910	cf::player->attach (
1635	on_logout => sub {	1911	on_logout => sub {
…		…
1648	# try to abort aborted map switching on player login :)	1924	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes	1925	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {	1926	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;	1927	$pl->ob->enter_link;
1652	(async {	1928	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,	1929	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "	1930	"There was an internal problem at your last logout, "
1657	. "the server will try to bring you to your intended destination in a second.",	1931	. "the server will try to bring you to your intended destination in a second.",
1658	cf::NDI_RED);	1932	cf::NDI_RED);
		1933	# we need this sleep as the login has a concurrent enter_exit running
		1934	# and this sleep increases chances of the player not ending up in scorn
1659	Coro::Timer::sleep 1;	1935	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;	1936	$pl->ob->leave_link;
1661	})->prio (2);	1937	})->prio (2);
1662	}	1938	}
1663	},	1939	},
…		…
1671	my ($self, $path, $x, $y) = @_;	1947	my ($self, $path, $x, $y) = @_;
1672		1948
1673	$self->enter_link;	1949	$self->enter_link;
1674		1950
1675	(async {	1951	(async {
1676	$path = new cf::path $path;	1952	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1953	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1954	$map = $map->customise_for ($self) if $map;
1680		1955	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1956	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1958
1686	$self->leave_link ($map, $x, $y);	1959	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1960	})->prio (1);
1688	}	1961	}
1689		1962
…		…
1693		1966
1694	sub parse_random_map_params {	1967	sub parse_random_map_params {
1695	my ($spec) = @_;	1968	my ($spec) = @_;
1696		1969
1697	my $rmp = { # defaults	1970	my $rmp = { # defaults
1698	xsize => 10,	1971	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1972	ysize => (cf::rndm 15, 40),
		1973	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1974	#layout => string,
1700	};	1975	};
1701		1976
1702	for (split /\n/, $spec) {	1977	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1978	my ($k, $v) = split /\s+/, $_, 2;
1704		1979
…		…
1708	$rmp	1983	$rmp
1709	}	1984	}
1710		1985
1711	sub prepare_random_map {	1986	sub prepare_random_map {
1712	my ($exit) = @_;	1987	my ($exit) = @_;
		1988
		1989	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		1990
1714	# all this does is basically replace the /! path by	1991	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	1992	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	1993	# that depends on the exit object
1717		1994
1718	my $rmp = parse_random_map_params $exit->msg;	1995	my $rmp = parse_random_map_params $exit->msg;
1719		1996
1720	if ($exit->map) {	1997	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	1998	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	1999	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2000	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2001	$rmp->{origin_y} = $exit->y;
1725	}	2002	}
1726		2003
1727	$rmp->{random_seed} ||= $exit->random_seed;	2004	$rmp->{random_seed} ||= $exit->random_seed;
1728		2005
1729	my $data = cf::to_json $rmp;	2006	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	2007	my $md5 = Digest::MD5::md5_hex $data;
		2008	my $meta = "$RANDOMDIR/$md5.meta";
1731		2009
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2011	aio_write $fh, 0, (length $data), $data, 0;
		2012	undef $fh;
		2013	aio_rename "$meta~", $meta;
1734		2014
1735	$exit->slaying ("?random/$md5");	2015	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2016	$exit->msg (undef);
1737	}	2017	}
1738	}	2018	}
1739		2019
1740	sub cf::object::player::enter_exit {	2020	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2021	my ($self, $exit) = @_;
1742		2022
1743	return unless $self->type == cf::PLAYER;	2023	return unless $self->type == cf::PLAYER;
		2024
		2025	if ($exit->slaying eq "/!") {
		2026	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2027	# the problem is that $exit might not survive long enough
		2028	# so it needs to be done right now, right here
		2029	cf::sync_job { prepare_random_map $exit };
		2030	}
		2031
		2032	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2033	my $hp = $exit->stats->hp;
		2034	my $sp = $exit->stats->sp;
1744		2035
1745	$self->enter_link;	2036	$self->enter_link;
1746		2037
1747	(async {	2038	(async {
1748	$self->deactivate_recursive; # just to be sure	2039	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2040	unless (eval {
1750	prepare_random_map $exit	2041	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2042
1756	1;	2043	1;
1757	}) {	2044	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2045	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "I'll try to bring you back to the map you were before. "	2046	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2047	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2048	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2049
1763	warn "ERROR in enter_exit: $@";	2050	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2051	$self->leave_link;
1765	}	2052	}
1766	})->prio (1);	2053	})->prio (1);
…		…
1779		2066
1780	sub cf::client::send_drawinfo {	2067	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2068	my ($self, $text, $flags) = @_;
1782		2069
1783	utf8::encode $text;	2070	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2072	}
1786		2073
		2074	=item $client->ext_event ($type, %msg)
		2075
		2076	Sends an exti event to the client.
		2077
		2078	=cut
		2079
		2080	sub cf::client::ext_event($$%) {
		2081	my ($self, $type, %msg) = @_;
		2082
		2083	$msg{msgtype} = "event_$type";
		2084	$self->send_packet ("ext " . cf::to_json \%msg);
		2085	}
1787		2086
1788	=item $success = $client->query ($flags, "text", \&cb)	2087	=item $success = $client->query ($flags, "text", \&cb)
1789		2088
1790	Queues a query to the client, calling the given callback with	2089	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1820	# get handled first	2119	# get handled first
1821	my $queue = delete $ns->{query_queue}	2120	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	2121	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		2122
1824	(shift @$queue)->[1]->($msg);	2123	(shift @$queue)->[1]->($msg);
		2124	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2125
1826	push @{ $ns->{query_queue} }, @$queue;	2126	push @{ $ns->{query_queue} }, @$queue;
1827		2127
1828	if (@{ $ns->{query_queue} } == @$queue) {	2128	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2129	if (@$queue) {
…		…
1887		2187
1888	# here we export the classes and methods available to script code	2188	# here we export the classes and methods available to script code
1889		2189
1890	=pod	2190	=pod
1891		2191
1892	The following fucntions and emthods are available within a safe environment:	2192	The following functions and methods are available within a safe environment:
1893		2193
1894	cf::object contr pay_amount pay_player map	2194	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2195	cf::object::player player
1896	cf::player peaceful	2196	cf::player peaceful
1897	cf::map trigger	2197	cf::map trigger
…		…
1982	#############################################################################	2282	#############################################################################
1983		2283
1984	=head2 EXTENSION DATABASE SUPPORT	2284	=head2 EXTENSION DATABASE SUPPORT
1985		2285
1986	Crossfire maintains a very simple database for extension use. It can	2286	Crossfire maintains a very simple database for extension use. It can
1987	currently store anything that can be serialised using Storable, which	2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1988	excludes objects.	2288	convert to/from binary).
1989		2289
1990	The parameter C<$family> should best start with the name of the extension	2290	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.	2291	using it, it should be unique.
1992		2292
1993	=over 4	2293	=over 4
1994		2294
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2295	=item $value = cf::db_get $family => $key
2002		2296
2003	Returns a single value from the database	2297	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2298
2010	=item cf::db_put $family => $key => $value	2299	=item cf::db_put $family => $key => $value
2011		2300
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2301	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2302
2023	=cut	2303	=cut
2024		2304
2025	our $DB;	2305	our $DB;
2026		2306
2027	{	2307	sub db_init {
2028	my $path = cf::localdir . "/database.pst";	2308	unless ($DB) {
		2309	$DB = BDB::db_create $DB_ENV;
2029		2310
2030	sub db_load() {	2311	cf::sync_job {
2031	$DB = stat $path ? Storable::retrieve $path : { };	2312	eval {
2032	}	2313	$DB->set_flags (BDB::CHKSUM);
2033		2314
2034	my $pid;	2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2035		2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2036	sub db_save() {	2317	cf::cleanup "db_open(db): $!" if $!;
2037	waitpid $pid, 0 if $pid;	2318	};
2038	if (0 == ($pid = fork)) {	2319	cf::cleanup "db_open(db): $@" if $@;
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2320	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	2321	}
		2322	}
2056		2323
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {	2324	sub db_get($$) {
2063	@_ >= 2	2325	my $key = "$_[0]/$_[1]";
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		2326
		2327	cf::sync_job {
		2328	BDB::db_get $DB, undef, $key, my $data;
		2329
		2330	$! ? ()
		2331	: $data
		2332	}
		2333	}
		2334
2068	sub db_put($$;$) {	2335	sub db_put($$$) {
2069	if (@_ >= 3) {	2336	BDB::dbreq_pri 4;
2070	$DB->{$_[0]}{$_[1]} = $_[2];	2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2071	} else {	2338	}
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		2339
2077	cf::global->attach (	2340	=item cf::cache $id => [$paths...], $processversion => $process
2078	prio => 10000,	2341
2079	on_cleanup => sub {	2342	Generic caching function that returns the value of the resource $id,
2080	db_sync;	2343	caching and regenerating as required.
		2344
		2345	This function can block.
		2346
		2347	=cut
		2348
		2349	sub cache {
		2350	my ($id, $src, $processversion, $process) = @_;
		2351
		2352	my $meta =
		2353	join "\x00",
		2354	$processversion,
		2355	map {
		2356	aio_stat $_
		2357	and Carp::croak "$_: $!";
		2358
		2359	($_, (stat _)[7,9])
		2360	} @$src;
		2361
		2362	my $dbmeta = db_get cache => "$id/meta";
		2363	if ($dbmeta ne $meta) {
		2364	# changed, we may need to process
		2365
		2366	my @data;
		2367	my $md5;
		2368
		2369	for (0 .. $#$src) {
		2370	0 <= aio_load $src->[$_], $data[$_]
		2371	or Carp::croak "$src->[$_]: $!";
2081	},	2372	}
2082	);	2373
		2374	# if processing is expensive, check
		2375	# checksum first
		2376	if (1) {
		2377	$md5 =
		2378	join "\x00",
		2379	$processversion,
		2380	map {
		2381	Coro::cede;
		2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2383	} 0.. $#$src;
		2384
		2385
		2386	my $dbmd5 = db_get cache => "$id/md5";
		2387	if ($dbmd5 eq $md5) {
		2388	db_put cache => "$id/meta", $meta;
		2389
		2390	return db_get cache => "$id/data";
		2391	}
		2392	}
		2393
		2394	my $t1 = Time::HiRes::time;
		2395	my $data = $process->(\@data);
		2396	my $t2 = Time::HiRes::time;
		2397
		2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2399
		2400	db_put cache => "$id/data", $data;
		2401	db_put cache => "$id/md5" , $md5;
		2402	db_put cache => "$id/meta", $meta;
		2403
		2404	return $data;
		2405	}
		2406
		2407	db_get cache => "$id/data"
2083	}	2408	}
		2409
		2410	=item fork_call { }, $args
		2411
		2412	Executes the given code block with the given arguments in a seperate
		2413	process, returning the results. Everything must be serialisable with
		2414	Coro::Storable. May, of course, block. Note that the executed sub may
		2415	never block itself or use any form of Event handling.
		2416
		2417	=cut
		2418
		2419	sub fork_call(&@) {
		2420	my ($cb, @args) = @_;
		2421
		2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2423	# or die "socketpair: $!";
		2424	pipe my $fh1, my $fh2
		2425	or die "pipe: $!";
		2426
		2427	if (my $pid = fork) {
		2428	close $fh2;
		2429
		2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2431	$res = Coro::Storable::thaw $res;
		2432
		2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2434
		2435	die $$res unless "ARRAY" eq ref $res;
		2436
		2437	return wantarray ? @$res : $res->[-1];
		2438	} else {
		2439	local $SIG{__WARN__};
		2440	eval {
		2441	local $SIG{__DIE__};
		2442	close $fh1;
		2443
		2444	my @res = eval { $cb->(@args) };
		2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2446	};
		2447
		2448	warn $@ if $@;
		2449	_exit 0;
		2450	}
		2451	}
		2452
		2453
2084		2454
2085	#############################################################################	2455	#############################################################################
2086	# the server's main()	2456	# the server's init and main functions
		2457
		2458	sub load_facedata($) {
		2459	my ($path) = @_;
		2460
		2461	warn "loading facedata from $path\n";
		2462
		2463	my $facedata;
		2464	0 < aio_load $path, $facedata
		2465	or die "$path: $!";
		2466
		2467	$facedata = Coro::Storable::thaw $facedata;
		2468
		2469	$facedata->{version} == 2
		2470	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2471
		2472	{
		2473	my $faces = $facedata->{faceinfo};
		2474
		2475	while (my ($face, $info) = each %$faces) {
		2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2480	Coro::cede;
		2481	}
		2482
		2483	while (my ($face, $info) = each %$faces) {
		2484	next unless $info->{smooth};
		2485	my $idx = cf::face::find $face
		2486	or next;
		2487	if (my $smooth = cf::face::find $info->{smooth}) {
		2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2489	} else {
		2490	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2491	}
		2492	Coro::cede;
		2493	}
		2494	}
		2495
		2496	{
		2497	my $anims = $facedata->{animinfo};
		2498
		2499	while (my ($anim, $info) = each %$anims) {
		2500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2501	Coro::cede;
		2502	}
		2503
		2504	cf::anim::invalidate_all; # d'oh
		2505	}
		2506
		2507	1
		2508	}
		2509
		2510	sub reload_regions {
		2511	load_resource_file "$MAPDIR/regions"
		2512	or die "unable to load regions file\n";
		2513	}
		2514
		2515	sub reload_facedata {
		2516	load_facedata "$DATADIR/facedata"
		2517	or die "unable to load facedata\n";
		2518	}
		2519
		2520	sub reload_archetypes {
		2521	load_resource_file "$DATADIR/archetypes"
		2522	or die "unable to load archetypes\n";
		2523	}
		2524
		2525	sub reload_treasures {
		2526	load_resource_file "$DATADIR/treasures"
		2527	or die "unable to load treasurelists\n";
		2528	}
		2529
		2530	sub reload_resources {
		2531	warn "reloading resource files...\n";
		2532
		2533	reload_regions;
		2534	reload_facedata;
		2535	reload_archetypes;
		2536	reload_treasures;
		2537
		2538	warn "finished reloading resource files\n";
		2539	}
		2540
		2541	sub init {
		2542	reload_resources;
		2543	}
2087		2544
2088	sub cfg_load {	2545	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2546	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	2547	or return;
2091		2548
2092	local $/;	2549	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	2550	*CFG = YAML::Syck::Load <$fh>;
2094		2551
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2554	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2555	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2556
2100	if (exists $CFG{mlockall}) {	2557	if (exists $CFG{mlockall}) {
2101	eval {	2558	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2559	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2560	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2561	};
2105	warn $@ if $@;	2562	warn $@ if $@;
2106	}	2563	}
2107	}	2564	}
2108		2565
2109	sub main {	2566	sub main {
2110	# we must not ever block the main coroutine	2567	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2568	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2570	(async {
2113	async { Event::one_event };	2571	Event::one_event;
		2572	})->prio (Coro::PRIO_MAX);
2114	};	2573	};
2115		2574
2116	cfg_load;	2575	cfg_load;
2117	db_load;	2576	db_init;
2118	load_extensions;	2577	load_extensions;
		2578
		2579	$TICK_WATCHER->start;
2119	Event::loop;	2580	Event::loop;
2120	}	2581	}
2121		2582
2122	#############################################################################	2583	#############################################################################
2123	# initialisation	2584	# initialisation and cleanup
2124		2585
		2586	# install some emergency cleanup handlers
		2587	BEGIN {
		2588	for my $signal (qw(INT HUP TERM)) {
		2589	Event->signal (
		2590	reentrant => 0,
		2591	data => WF_AUTOCANCEL,
		2592	signal => $signal,
		2593	prio => 0,
		2594	cb => sub {
		2595	cf::cleanup "SIG$signal";
		2596	},
		2597	);
		2598	}
		2599	}
		2600
		2601	sub emergency_save() {
		2602	my $freeze_guard = cf::freeze_mainloop;
		2603
		2604	warn "enter emergency perl save\n";
		2605
		2606	cf::sync_job {
		2607	# use a peculiar iteration method to avoid tripping on perl
		2608	# refcount bugs in for. also avoids problems with players
		2609	# and maps saved/destroyed asynchronously.
		2610	warn "begin emergency player save\n";
		2611	for my $login (keys %cf::PLAYER) {
		2612	my $pl = $cf::PLAYER{$login} or next;
		2613	$pl->valid or next;
		2614	$pl->save;
		2615	}
		2616	warn "end emergency player save\n";
		2617
		2618	warn "begin emergency map save\n";
		2619	for my $path (keys %cf::MAP) {
		2620	my $map = $cf::MAP{$path} or next;
		2621	$map->valid or next;
		2622	$map->save;
		2623	}
		2624	warn "end emergency map save\n";
		2625
		2626	warn "begin emergency database checkpoint\n";
		2627	BDB::db_env_txn_checkpoint $DB_ENV;
		2628	warn "end emergency database checkpoint\n";
		2629	};
		2630
		2631	warn "leave emergency perl save\n";
		2632	}
		2633
		2634	sub post_cleanup {
		2635	my ($make_core) = @_;
		2636
		2637	warn Carp::longmess "post_cleanup backtrace"
		2638	if $make_core;
		2639	}
		2640
2125	sub reload() {	2641	sub do_reload_perl() {
2126	# can/must only be called in main	2642	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2643	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2644	warn "can only reload from main coroutine";
2129	return;	2645	return;
2130	}	2646	}
2131		2647
2132	warn "reloading...";	2648	warn "reloading...";
2133		2649
2134	my $guard = freeze_mainloop;	2650	warn "entering sync_job";
		2651
		2652	cf::sync_job {
		2653	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2654	cf::emergency_save;
		2655	cf::write_runtime; # external watchdog should not bark
2136		2656
2137	eval {	2657	warn "syncing database to disk";
		2658	BDB::db_env_txn_checkpoint $DB_ENV;
		2659
2138	# if anything goes wrong in here, we should simply crash as we already saved	2660	# if anything goes wrong in here, we should simply crash as we already saved
2139		2661
2140	# cancel all watchers	2662	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2663	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2665	}
2144		2666
		2667	warn "flushing outstanding aio requests";
		2668	for (;;) {
		2669	BDB::flush;
		2670	IO::AIO::flush;
		2671	Coro::cede;
		2672	last unless IO::AIO::nreqs || BDB::nreqs;
		2673	warn "iterate...";
		2674	}
		2675
		2676	++$RELOAD;
		2677
2145	# cancel all extension coros	2678	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2679	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2680	%EXT_CORO = ();
2148		2681
2149	# unload all extensions	2682	warn "removing commands";
2150	for (@exts) {	2683	%COMMAND = ();
		2684
		2685	warn "removing ext commands";
		2686	%EXTCMD = ();
		2687
		2688	warn "unloading/nuking all extensions";
		2689	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2690	warn "... unloading $pkg";
2152	unload_extension $_;	2691
		2692	if (my $cb = $pkg->can ("unload")) {
		2693	eval {
		2694	$cb->($pkg);
		2695	1
		2696	} or warn "$pkg unloaded, but with errors: $@";
2153	}	2697	}
2154		2698
		2699	warn "... nuking $pkg";
		2700	Symbol::delete_package $pkg;
		2701	}
		2702
2155	# unload all modules loaded from $LIBDIR	2703	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2704	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2705	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2706
2159	warn "removing <$k>";	2707	warn "... unloading $k";
2160	delete $INC{$k};	2708	delete $INC{$k};
2161		2709
2162	$k =~ s/\.pm$//;	2710	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2711	$k =~ s/\//::/g;
2164		2712
…		…
2167	}	2715	}
2168		2716
2169	Symbol::delete_package $k;	2717	Symbol::delete_package $k;
2170	}	2718	}
2171		2719
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2720	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2721	Symbol::delete_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2722	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		2723
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2724	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2725	delete $INC{"cf.pm"};
		2726	delete $INC{"cf/pod.pm"};
2185		2727
2186	# don't, removes xs symbols, too,	2728	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2729	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2730	#Symbol::delete_package __PACKAGE__;
2189		2731
2190	# reload cf.pm	2732	warn "unload completed, starting to reload now";
		2733
2191	warn "reloading cf.pm";	2734	warn "reloading cf.pm";
2192	require cf;	2735	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2737
2195	# load config and database again	2738	warn "loading config and database again";
2196	cf::cfg_load;	2739	cf::cfg_load;
2197	cf::db_load;
2198		2740
2199	# load extensions
2200	warn "load extensions";	2741	warn "loading extensions";
2201	cf::load_extensions;	2742	cf::load_extensions;
2202		2743
2203	# reattach attachments to objects	2744	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2745	_global_reattach; # objects, sockets
2205	_global_reattach;	2746	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2747	reattach $_ for values %MAP;
2207	};	2748	warn "reattaching attachments to players";
		2749	reattach $_ for values %PLAYER;
2208		2750
2209	if ($@) {	2751	warn "leaving sync_job";
		2752
		2753	1
		2754	} or do {
2210	warn $@;	2755	warn $@;
2211	warn "error while reloading, exiting.";	2756	warn "error while reloading, exiting.";
2212	exit 1;	2757	exit 1;
2213	}	2758	};
2214		2759
2215	warn "reloaded successfully";	2760	warn "reloaded";
2216	};	2761	};
2217		2762
2218	#############################################################################	2763	our $RELOAD_WATCHER; # used only during reload
2219		2764
2220	unless ($LINK_MAP) {	2765	sub reload_perl() {
2221	$LINK_MAP = cf::map::new;	2766	# doing reload synchronously and two reloads happen back-to-back,
		2767	# coro crashes during coro_state_free->destroy here.
2222		2768
2223	$LINK_MAP->width (41);	2769	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	2770	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	2771	after => 0,
		2772	data => WF_AUTOCANCEL,
2233	cb => sub {	2773	cb => sub {
2234	$_[0]->w->cancel;	2774	do_reload_perl;
2235		2775	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	2776	},
2254		2777	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	2778	}
2260
2261	register "<global>", __PACKAGE__;
2262		2779
2263	register_command "reload" => sub {	2780	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2781	my ($who, $arg) = @_;
2265		2782
2266	if ($who->flag (FLAG_WIZ)) {	2783	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	2784	$who->message ("reloading server.");
		2785	async { reload_perl };
2270	}	2786	}
2271	};	2787	};
2272		2788
2273	unshift @INC, $LIBDIR;	2789	unshift @INC, $LIBDIR;
		2790
		2791	my $bug_warning = 0;
		2792
		2793	our @WAIT_FOR_TICK;
		2794	our @WAIT_FOR_TICK_BEGIN;
		2795
		2796	sub wait_for_tick {
		2797	return unless $TICK_WATCHER->is_active;
		2798	return if $Coro::current == $Coro::main;
		2799
		2800	my $signal = new Coro::Signal;
		2801	push @WAIT_FOR_TICK, $signal;
		2802	$signal->wait;
		2803	}
		2804
		2805	sub wait_for_tick_begin {
		2806	return unless $TICK_WATCHER->is_active;
		2807	return if $Coro::current == $Coro::main;
		2808
		2809	my $signal = new Coro::Signal;
		2810	push @WAIT_FOR_TICK_BEGIN, $signal;
		2811	$signal->wait;
		2812	}
2274		2813
2275	$TICK_WATCHER = Event->timer (	2814	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2815	reentrant => 0,
		2816	parked => 1,
2277	prio => 0,	2817	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2818	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2819	data => WF_AUTOCANCEL,
2280	cb => sub {	2820	cb => sub {
		2821	if ($Coro::current != $Coro::main) {
		2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2823	unless ++$bug_warning > 10;
		2824	return;
		2825	}
		2826
		2827	$NOW = Event::time;
		2828
2281	cf::server_tick; # one server iteration	2829	cf::server_tick; # one server iteration
		2830
2282	$RUNTIME += $TICK;	2831	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2832	$NEXT_TICK += $TICK;
2284		2833
		2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2835	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2836	Coro::async_pool {
		2837	write_runtime
		2838	or warn "ERROR: unable to write runtime file: $!";
		2839	};
		2840	}
		2841
		2842	# my $AFTER = Event::time;
		2843	# warn $AFTER - $NOW;#d#
		2844
2285	# if we are delayed by four ticks or more, skip them all	2845	# if we are delayed by four ticks or more, skip them all
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2847
2288	$TICK_WATCHER->at ($NEXT_TICK);	2848	$TICK_WATCHER->at ($NEXT_TICK);
2289	$TICK_WATCHER->start;	2849	$TICK_WATCHER->start;
		2850
		2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2852	$sig->send;
		2853	}
		2854	while (my $sig = shift @WAIT_FOR_TICK) {
		2855	$sig->send;
		2856	}
		2857
		2858	_post_tick;
2290	},	2859	},
2291	);	2860	);
2292		2861
		2862	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2863	BDB::max_poll_time $TICK * 0.1;
2294		2864	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2865	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2866	fd => BDB::poll_fileno,
2297	poll => 'r',	2867	poll => 'r',
2298	prio => 5,	2868	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2869	data => WF_AUTOCANCEL,
2305	after => 0,	2870	cb => \&BDB::poll_cb,
2306	interval => 10,	2871	);
2307	cb => sub {	2872	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2873
2309	write_runtime	2874	BDB::set_sync_prepare {
2310	or warn "ERROR: unable to write runtime file: $!";	2875	my $status;
		2876	my $current = $Coro::current;
		2877	(
		2878	sub {
		2879	$status = $!;
		2880	$current->ready; undef $current;
		2881	},
		2882	sub {
		2883	Coro::schedule while defined $current;
		2884	$! = $status;
		2885	},
		2886	)
		2887	};
		2888
		2889	unless ($DB_ENV) {
		2890	$DB_ENV = BDB::db_env_create;
		2891
		2892	cf::sync_job {
		2893	eval {
		2894	BDB::db_env_open
		2895	$DB_ENV,
		2896	$BDBDIR,
		2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2899	0666;
		2900
		2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2902
		2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2904	$DB_ENV->set_lk_detect;
		2905	};
		2906
		2907	cf::cleanup "db_env_open(db): $@" if $@;
2311	})->();	2908	};
2312	},	2909	}
2313	);	2910	}
		2911
		2912	{
		2913	IO::AIO::min_parallel 8;
		2914
		2915	undef $Coro::AIO::WATCHER;
		2916	IO::AIO::max_poll_time $TICK * 0.1;
		2917	$AIO_POLL_WATCHER = Event->io (
		2918	reentrant => 0,
		2919	data => WF_AUTOCANCEL,
		2920	fd => IO::AIO::poll_fileno,
		2921	poll => 'r',
		2922	prio => 6,
		2923	cb => \&IO::AIO::poll_cb,
		2924	);
		2925	}
		2926
		2927	# load additional modules
		2928	use cf::pod;
2314		2929
2315	END { cf::emergency_save }	2930	END { cf::emergency_save }
2316		2931
2317	1	2932	1
2318		2933

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