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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.263 by root, Sat May 5 05:40:27 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 ();
20	use Data::Dumper;	26	use Data::Dumper;
21	use Digest::MD5;	27	use Digest::MD5;
22	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
23	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		41
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
33		44
34	$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
35		46
		47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		48
36	our %COMMAND = ();	49	our %COMMAND = ();
37	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
39		56
		57	our $RELOAD; # number of reloads so far
40	our @EVENT;	58	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		59
43	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(!)
44	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	76	our $NEXT_TICK;
46	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;
47		82
48	our %CFG;	83	our %CFG;
49		84
50	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	86	our $RUNTIME;
52		87
53	our %PLAYER; # all users	88	our %PLAYER; # all users
54	our %MAP; # all maps	89	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		91
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
61		94
62	binmode STDOUT;	95	binmode STDOUT;
63	binmode STDERR;	96	binmode STDERR;
64		97
65	# read virtual server time, if available	98	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
70	}	103	}
71		104
72	mkdir cf::localdir;	105	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		107
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
81		111
82	#############################################################################	112	#############################################################################
83		113
84	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
85		115
…		…
92	=item $cf::RUNTIME	122	=item $cf::RUNTIME
93		123
94	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
95	every server tick.	125	every server tick.
96		126
97	=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
98		130
99	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		135
102	=item $cf::NOW	136	=item $cf::NOW
103		137
104	The time of the last (current) server tick.	138	The time of the last (current) server tick.
105		139
…		…
110	=item %cf::CFG	144	=item %cf::CFG
111		145
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	147	from wherever your confdir points to.
114		148
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	149	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		150
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	152	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.
121		154
122	=back	155	=back
123		156
124	=cut	157	=cut
125		158
126	BEGIN {	159	BEGIN {
127	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	161	my $msg = join "", @_;
129	utf8::encode $msg;
130		162
131	$msg .= "\n"	163	$msg .= "\n"
132	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
133		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
134	LOG llevError, $msg;	169	LOG llevError, $msg;
135	};	170	};
136	}	171	}
137		172
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
156	}	191	}
157		192
158	$Event::DIED = sub {	193	$Event::DIED = sub {
159	warn "error in event callback: @_";	194	warn "error in event callback: @_";
160	};	195	};
161
162	my %ext_pkg;
163	my @exts;
164	my @hook;
165		196
166	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
167		198
168	=over 4	199	=over 4
169		200
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	220	$d
190	} || "[unable to dump $_[0]: '$@']";	221	} || "[unable to dump $_[0]: '$@']";
191	}	222	}
192		223
193	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
194		225
195	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
196		227
197	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
198		229
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
207		231
208	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
209
210	=cut
211
212	sub to_json($) {
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
214	JSON::Syck::Dump $_[0]
215	}
216		233
217	=item cf::lock_wait $string	234	=item cf::lock_wait $string
218		235
219	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
220		237
…		…
226	returned.	243	returned.
227		244
228	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
229	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
230		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
231	=cut	252	=cut
232		253
233	our %LOCK;	254	our %LOCK;
234		255
235	sub lock_wait($) {	256	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
256	}	277	}
257	}	278	}
258		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
259	sub freeze_mainloop {	286	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
261		288
262	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
263	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
264	$guard	293	$guard
265	}	294	}
266		295
267	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
319	}	348	}
320	}	349	}
321		350
322	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
323		352
324	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	354	extension calling this is being unloaded.
326		355
327	=cut	356	=cut
328		357
329	sub async_ext(&) {	358	sub async_ext(&) {
…		…
338		367
339	$coro	368	$coro
340	}	369	}
341		370
342	sub write_runtime {	371	sub write_runtime {
343	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
344		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	378	or return;
347		379
		380	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	381	# 10 is the runtime save interval, for a monotonic clock
		382	# 60 allows for the watchdog to kill the server.
		383
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	385	and return;
351		386
		387	# always fsync - this file is important
352	aio_fsync $fh	388	aio_fsync $fh
353	and return;	389	and return;
354		390
355	close $fh	391	close $fh
356	or return;	392	or return;
357		393
358	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
359	and return;	395	and return;
360		396
		397	warn "... done writing runtime.\n";#d#
		398
361	1	399	1
362	}	400	}
363		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
364	=back	413	=back
365		414
366	=cut	415	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		416
495	#############################################################################	417	#############################################################################
496		418
497	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
498		420
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	547	our @CB_MAP = ();
626		548
627	my %attachment;	549	my %attachment;
628		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
629	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
631		559
632	use sort 'stable';	560	use sort 'stable';
633		561
…		…
804	# object support	732	# object support
805		733
806	sub reattach {	734	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		739
810	my $registry = $obj->registry;	740	my $registry = $obj->registry;
811		741
812	@$registry = ();	742	@$registry = ();
813		743
…		…
860	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
861		791
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	796	close $fh;
867		797
868	if (@$objs) {	798	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	799	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	804	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
876	}	806	}
877	} else {	807	} else {
878	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
945	=cut	875	=cut
946		876
947	sub register_extcmd {	877	sub register_extcmd {
948	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
949		879
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
954	}	881	}
955		882
956	cf::player->attach (	883	cf::player->attach (
957	on_command => sub {	884	on_command => sub {
958	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
971		898
972	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
973		900
974	if (ref $msg) {	901	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	905	}
979	}	906	}
980	} else {	907	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		910
984	cf::override;	911	cf::override;
985	},	912	},
986	);	913	);
987		914
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {	915	sub load_extension {
995	my ($path) = @_;	916	my ($path) = @_;
996		917
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;	919	my $base = $1;
999	my $pkg = $1;	920	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
1002		923
1003	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
1004		925
1005	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
1006	or die "$path: $!";	927	or die "$path: $!";
1007		928
1008	my $source =	929	my $source =
1009	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1012	. "\n};\n1";	933	. "\n};\n1";
1013		934
1014	eval $source	935	unless (eval $source) {
1015	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1016	: "extension disabled.\n";	937	: "extension disabled.\n";
1017		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1018	push @exts, $pkg;	939	warn $@;
1019	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
1020		941	exit 1;
1021	# no strict 'refs';	942	}
1022	# @{"$pkg\::ISA"} = ext::;	943	die $@;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }	944	}
1037		945
1038	# remove commands	946	push @EXTS, $pkg;
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}	947	}
1063		948
1064	sub load_extensions {	949	sub load_extensions {
1065	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	951	next unless -r $ext;
…		…
1070	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1071	}	956	}
1072	}	957	}
1073		958
1074	#############################################################################	959	#############################################################################
1075	# load/save/clean perl data associated with a map
1076
1077	*cf::mapsupport::on_clean = sub {
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		960
1090	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1091		962
1092	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1093		964
…		…
1106	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1107		978
1108	=cut	979	=cut
1109		980
1110	sub playerdir($) {	981	sub playerdir($) {
1111	cf::localdir	982	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	984	}
1117		985
1118	sub path($) {	986	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		988
1121	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1122	}	990	}
1123		991
1124	sub find_active($) {	992	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1129		997
1130	sub exists($) {	998	sub exists($) {
1131	my ($login) = @_;	999	my ($login) = @_;
1132		1000
1133	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1135	}	1003	}
1136		1004
1137	sub find($) {	1005	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1007	my $login = $_[0];
1140		1008
1141	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1142		1010
1143	$cf::PLAYER{$_[0]} || do {	1011	$cf::PLAYER{$_[0]} || do {
		1012	# rename old playerfiles to new ones
		1013	#TODO: remove when no longer required
		1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1017	aio_unlink +(playerdir $login) . "/$login.pl";
		1018
1144	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1145	or return;	1020	or return;
1146	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1147	}	1022	}
1148	}	1023	}
…		…
1185		1060
1186	=cut	1061	=cut
1187		1062
1188	sub quit_character {	1063	sub quit_character {
1189	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1190		1067
1191	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1070
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1080	$pl->destroy;
		1081
		1082	my $prefix = qr<^~\Q$name\E/>;
		1083
		1084	# nuke player maps
		1085	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1086
1204	IO::AIO::aio_rmtree $temp;	1087	IO::AIO::aio_rmtree $temp;
		1088	}
		1089
		1090	=item $pl->kick
		1091
		1092	Kicks a player out of the game. This destroys the connection.
		1093
		1094	=cut
		1095
		1096	sub kick {
		1097	my ($pl, $kicker) = @_;
		1098
		1099	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1100	$pl->killer ("kicked");
		1101	$pl->ns->destroy;
1205	}	1102	}
1206		1103
1207	=item cf::player::list_logins	1104	=item cf::player::list_logins
1208		1105
1209	Returns am arrayref of all valid playernames in the system, can take a	1106	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1211		1108
1212	=cut	1109	=cut
1213		1110
1214	sub list_logins {	1111	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1113	or return [];
1217		1114
1218	my @logins;	1115	my @logins;
1219		1116
1220	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1229	\@logins	1126	\@logins
1230	}	1127	}
1231		1128
1232	=item $player->maps	1129	=item $player->maps
1233		1130
1234	Returns an arrayref of cf::path's of all maps that are private for this	1131	Returns an arrayref of map paths that are private for this
1235	player. May block.	1132	player. May block.
1236		1133
1237	=cut	1134	=cut
1238		1135
1239	sub maps($) {	1136	sub maps($) {
1240	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1140
1242	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1243	or return;	1142	or return;
1244		1143
1245	my @paths;	1144	my @paths;
…		…
1247	for (@$files) {	1146	for (@$files) {
1248	utf8::decode $_;	1147	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1149	next unless /^$PATH_SEP/o;
1251		1150
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1151	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1152	}
1254		1153
1255	\@paths	1154	\@paths
1256	}	1155	}
1257		1156
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1259		1158
1260	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1261		1160
1262	=cut	1161	=cut
1263		1162
1264	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1266		1165
1267	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1268		1167
1269	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1270	}	1169	}
1271		1170
1272	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1273		1211
1274	=back	1212	=back
1275
1276		1213
1277	=head3 cf::map	1214	=head3 cf::map
1278		1215
1279	=over 4	1216	=over 4
1280		1217
…		…
1283	package cf::map;	1220	package cf::map;
1284		1221
1285	use Fcntl;	1222	use Fcntl;
1286	use Coro::AIO;	1223	use Coro::AIO;
1287		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1288	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1290		1231
1291	sub generate_random_map {	1232	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1235	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1246	(cf::region::find $rmp->{region}), $rmp->{custom}
		1247	)
		1248	}
		1249
		1250	=item cf::map->register ($regex, $prio)
		1251
		1252	Register a handler for the map path matching the given regex at the
		1253	givne priority (higher is better, built-in handlers have priority 0, the
		1254	default).
		1255
		1256	=cut
		1257
		1258	sub register {
		1259	my (undef, $regex, $prio) = @_;
		1260	my $pkg = caller;
		1261
		1262	no strict;
		1263	push @{"$pkg\::ISA"}, __PACKAGE__;
		1264
		1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1266	}
		1267
		1268	# also paths starting with '/'
		1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1270
		1271	sub thawer_merge {
		1272	my ($self, $merge) = @_;
		1273
		1274	# we have to keep some variables in memory intact
		1275	local $self->{path};
		1276	local $self->{load_path};
		1277	local $self->{deny_save};
		1278	local $self->{deny_reset};
		1279
		1280	$self->SUPER::thawer_merge ($merge);
		1281	}
		1282
		1283	sub normalise {
		1284	my ($path, $base) = @_;
		1285
		1286	$path = "$path"; # make sure its a string
		1287
		1288	$path =~ s/\.map$//;
		1289
		1290	# map plan:
		1291	#
		1292	# /! non-realised random map exit (special hack!)
		1293	# {... are special paths that are not being touched
		1294	# ?xxx/... are special absolute paths
		1295	# ?random/... random maps
		1296	# /... normal maps
		1297	# ~user/... per-player map of a specific user
		1298
		1299	$path =~ s/$PATH_SEP/\//go;
		1300
		1301	# treat it as relative path if it starts with
		1302	# something that looks reasonable
		1303	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1304	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1305
		1306	$base =~ s{[^/]+/?$}{};
		1307	$path = "$base/$path";
		1308	}
		1309
		1310	for ($path) {
		1311	redo if s{//}{/};
		1312	redo if s{/\.?/}{/};
		1313	redo if s{/[^/]+/\.\./}{/};
		1314	}
		1315
		1316	$path
		1317	}
		1318
		1319	sub new_from_path {
		1320	my (undef, $path, $base) = @_;
		1321
		1322	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1323
		1324	$path = normalise $path, $base;
		1325
		1326	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1327	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1328	my $self = bless cf::map::new, $pkg;
		1329	$self->{path} = $path; $self->path ($path);
		1330	$self->init; # pass $1 etc.
		1331	return $self;
		1332	}
		1333	}
		1334
		1335	Carp::carp "unable to resolve path '$path' (base '$base').";
		1336	()
		1337	}
		1338
		1339	sub init {
		1340	my ($self) = @_;
		1341
		1342	$self
		1343	}
		1344
		1345	sub as_string {
		1346	my ($self) = @_;
		1347
		1348	"$self->{path}"
		1349	}
		1350
		1351	# the displayed name, this is a one way mapping
		1352	sub visible_name {
		1353	&as_string
		1354	}
		1355
		1356	# the original (read-only) location
		1357	sub load_path {
		1358	my ($self) = @_;
		1359
		1360	"$MAPDIR/$self->{path}.map"
		1361	}
		1362
		1363	# the temporary/swap location
		1364	sub save_path {
		1365	my ($self) = @_;
		1366
		1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1368	"$TMPDIR/$path.map"
		1369	}
		1370
		1371	# the unique path, undef == no special unique path
		1372	sub uniq_path {
		1373	my ($self) = @_;
		1374
		1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1376	"$UNIQUEDIR/$path"
1308	}	1377	}
1309		1378
1310	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1311	# all maps in C++...	1380	# all maps in C++...
1312	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1314		1383
1315	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1317	}	1386	}
1318		1387
		1388	sub unlink_save {
		1389	my ($self) = @_;
		1390
		1391	utf8::encode (my $save = $self->save_path);
		1392	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1393	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1394	}
		1395
1319	sub try_load_header($) {	1396	sub load_header_from($) {
1320	my ($path) = @_;	1397	my ($self, $path) = @_;
1321		1398
1322	utf8::encode $path;	1399	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1324	or return;	1404	or return;
1325		1405
1326	my $map = cf::map::new	1406	$self->{load_path} = $path;
		1407
		1408	1
		1409	}
		1410
		1411	sub load_header_orig {
		1412	my ($self) = @_;
		1413
		1414	$self->load_header_from ($self->load_path)
		1415	}
		1416
		1417	sub load_header_temp {
		1418	my ($self) = @_;
		1419
		1420	$self->load_header_from ($self->save_path)
		1421	}
		1422
		1423	sub prepare_temp {
		1424	my ($self) = @_;
		1425
		1426	$self->last_access ((delete $self->{last_access})
		1427	|| $cf::RUNTIME); #d#
		1428	# safety
		1429	$self->{instantiate_time} = $cf::RUNTIME
		1430	if $self->{instantiate_time} > $cf::RUNTIME;
		1431	}
		1432
		1433	sub prepare_orig {
		1434	my ($self) = @_;
		1435
		1436	$self->{load_original} = 1;
		1437	$self->{instantiate_time} = $cf::RUNTIME;
		1438	$self->last_access ($cf::RUNTIME);
		1439	$self->instantiate;
		1440	}
		1441
		1442	sub load_header {
		1443	my ($self) = @_;
		1444
		1445	if ($self->load_header_temp) {
		1446	$self->prepare_temp;
		1447	} else {
		1448	$self->load_header_orig
1327	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1328		1452
1329	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1330	$map->path ($path);	1454	unless $self->default_region;
1331		1455
1332	$map->load_header ($path)	1456	1
1333	or return;
1334
1335	$map->{load_path} = $path;
1336
1337	$map
1338	}	1457	}
1339		1458
1340	sub find;	1459	sub find;
1341	sub find {	1460	sub find {
1342	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1343		1462
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1464
1349	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1350		1466
1351	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1353		1469	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1470	or return;
1373		1471
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1386		1473
1387	Coro::cede;	1474	$map->load_header
		1475	or return;
1388		1476
1389	if ($map->should_reset) {	1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1478	# doing this can freeze the server in a sync job, obviously
		1479	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1480	$map->reset;
1391	undef $guard;	1481	undef $guard;
1392	$map = find $path	1482	return find $path;
1393	or return;
1394	}	1483	}
1395		1484
1396	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1397	}	1486	}
1398	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1399		1491
1400	sub load {	1492	sub load {
1401	my ($self) = @_;	1493	my ($self) = @_;
1402		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1403	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1405		1501
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1503
1408	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1409		1505
1410	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1411	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1512	or return;
1413		1513
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1515	if delete $self->{load_original};
1416		1516
1417	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1518	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1520	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1422	}	1522	}
1423	}	1523	}
1424		1524
1425	Coro::cede;	1525	Coro::cede;
1426
1427	# now do the right thing for maps	1526	# now do the right thing for maps
1428	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1529	unless $self->difficulty;
		1530	Coro::cede;
		1531
		1532	unless ($self->{deny_activate}) {
		1533	$self->decay_objects;
		1534	$self->fix_auto_apply;
		1535	$self->update_buttons;
		1536	Coro::cede;
		1537	$self->set_darkness_map;
		1538	Coro::cede;
1440	$self->activate;	1539	$self->activate;
1441	}	1540	}
1442		1541
1443	Coro::cede;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1542	$self->in_memory (cf::MAP_IN_MEMORY);
		1543	}
		1544
		1545	$self->post_load;
		1546	}
		1547
		1548	sub customise_for {
		1549	my ($self, $ob) = @_;
		1550
		1551	return find "~" . $ob->name . "/" . $self->{path}
		1552	if $self->per_player;
		1553
		1554	$self
1446	}	1555	}
1447		1556
1448	# find and load all maps in the 3x3 area around a map	1557	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1558	sub load_diag {
1450	my ($map) = @_;	1559	my ($map) = @_;
…		…
1480		1589
1481	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1482	}	1591	}
1483		1592
1484	our %MAP_PREFETCH;	1593	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1594	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1595
1500	sub find_async {	1596	sub find_async {
1501	my ($path, $origin) = @_;	1597	my ($path, $origin) = @_;
1502		1598
1503	$path = new cf::path $path, $origin && $origin->path;	1599	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1600
1506	if (my $map = $cf::MAP{$key}) {	1601	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1603	}
1509		1604
1510	$MAP_PREFETCH{$key} = $path;	1605	undef $MAP_PREFETCH{$path};
		1606	$MAP_PREFETCHER ||= cf::async {
		1607	while (%MAP_PREFETCH) {
		1608	for my $path (keys %MAP_PREFETCH) {
		1609	my $map = find $path
		1610	or next;
		1611	$map->load;
		1612
		1613	delete $MAP_PREFETCH{$path};
		1614	}
		1615	}
		1616	undef $MAP_PREFETCHER;
		1617	};
1511	$MAP_PREFETCHER->ready;	1618	$MAP_PREFETCHER->prio (6);
1512		1619
1513	()	1620	()
1514	}	1621	}
1515		1622
1516	sub save {	1623	sub save {
…		…
1520		1627
1521	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1522		1629
1523	return unless $self->dirty;	1630	return unless $self->dirty;
1524		1631
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1634
1528	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1529		1636
1530	return if $self->{deny_save};	1637	return if $self->{deny_save};
1531		1638
…		…
1534	cf::async {	1641	cf::async {
1535	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1536	};	1643	};
1537		1644
1538	if ($uniq) {	1645	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1648	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1650	}
1544	}	1651	}
1545		1652
1546	sub swap_out {	1653	sub swap_out {
1547	my ($self) = @_;	1654	my ($self) = @_;
…		…
1561		1668
1562	sub reset_at {	1669	sub reset_at {
1563	my ($self) = @_;	1670	my ($self) = @_;
1564		1671
1565	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1567	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1568		1675
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1678
…		…
1576	my ($self) = @_;	1683	my ($self) = @_;
1577		1684
1578	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1579	}	1686	}
1580		1687
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1688	sub reset {
1603	my ($self) = @_;	1689	my ($self) = @_;
1604		1690
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1692
1607	return if $self->players;	1693	return if $self->players;
1608	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1609		1695
1610	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1611		1697
		1698	$self->in_memory (cf::MAP_SWAPPED);
		1699
		1700	# need to save uniques path
		1701	unless ($self->{deny_save}) {
		1702	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1703
		1704	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1705	if $uniq;
		1706	}
		1707
1612	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1613		1711
1614	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1615		1713
1616	$self->unlink_save;	1714	$self->unlink_save;
1617	$self->destroy;	1715	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1621		1719
1622	sub nuke {	1720	sub nuke {
1623	my ($self) = @_;	1721	my ($self) = @_;
1624		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1628	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1629	}	1736	}
1630		1737
1631	sub customise_for {
1632	my ($map, $ob) = @_;
1633
1634	if ($map->per_player) {
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1636	}
1637
1638	$map
1639	}
1640
1641	=item cf::map::unique_maps	1738	=item cf::map::unique_maps
1642		1739
1643	Returns an arrayref of cf::path's of all shared maps that have	1740	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	1741	instantiated unique items. May block.
1645		1742
1646	=cut	1743	=cut
1647		1744
1648	sub unique_maps() {	1745	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	1746	my $files = aio_readdir $UNIQUEDIR
1650	or return;	1747	or return;
1651		1748
1652	my @paths;	1749	my @paths;
1653		1750
1654	for (@$files) {	1751	for (@$files) {
1655	utf8::decode $_;	1752	utf8::decode $_;
1656	next if /\.pst$/;	1753	next if /\.pst$/;
1657	next unless /^$PATH_SEP/o;	1754	next unless /^$PATH_SEP/o;
1658		1755
1659	push @paths, new cf::path $_;	1756	push @paths, cf::map::normalise $_;
1660	}	1757	}
1661		1758
1662	\@paths	1759	\@paths
1663	}	1760	}
1664		1761
…		…
1739		1836
1740	=item $player_object->enter_link	1837	=item $player_object->enter_link
1741		1838
1742	Freezes the player and moves him/her to a special map (C<{link}>).	1839	Freezes the player and moves him/her to a special map (C<{link}>).
1743		1840
1744	The player should be reaosnably safe there for short amounts of time. You	1841	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1746		1843
		1844	Will never block.
		1845
1747	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1748		1847
1749	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	1851	fails, to the emergency map position.
1753		1852
1754	Might block.	1853	Might block.
1755		1854
1756	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($LINK_MAP) {
		1859	$LINK_MAP = cf::map::find "{link}"
		1860	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1861	$LINK_MAP->load;
		1862	}
		1863
		1864	$LINK_MAP
		1865	}
1757		1866
1758	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1759	my ($self) = @_;	1868	my ($self) = @_;
1760		1869
1761	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1762		1871
1763	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		1873
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	1875	if $self->map;
1767		1876
1768	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	1878	}
1770		1879
1771	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1773		1882
…		…
1795	$map->load;	1904	$map->load;
1796	$map->load_diag;	1905	$map->load_diag;
1797		1906
1798	return unless $self->contr->active;	1907	return unless $self->contr->active;
1799	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1801	}	1912	}
1802		1913
1803	cf::player->attach (	1914	cf::player->attach (
1804	on_logout => sub {	1915	on_logout => sub {
…		…
1817	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes	1929	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1821	(async {	1932	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",	1935	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);	1936	cf::NDI_RED);
		1937	# we need this sleep as the login has a concurrent enter_exit running
		1938	# and this sleep increases chances of the player not ending up in scorn
1828	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1830	})->prio (2);	1941	})->prio (2);
1831	}	1942	}
1832	},	1943	},
…		…
1837	=cut	1948	=cut
1838		1949
1839	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1841		1952
1842	$path = new cf::path $path;
1843
1844	$self->enter_link;	1953	$self->enter_link;
1845		1954
1846	(async {	1955	(async {
		1956	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1848	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1849		1959	$map
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		1962
1855	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1856	})->prio (1);	1964	})->prio (1);
1857	}	1965	}
1858		1966
…		…
1862		1970
1863	sub parse_random_map_params {	1971	sub parse_random_map_params {
1864	my ($spec) = @_;	1972	my ($spec) = @_;
1865		1973
1866	my $rmp = { # defaults	1974	my $rmp = { # defaults
1867	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1869	};	1979	};
1870		1980
1871	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1873		1983
…		…
1877	$rmp	1987	$rmp
1878	}	1988	}
1879		1989
1880	sub prepare_random_map {	1990	sub prepare_random_map {
1881	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		1994
1883	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	1997	# that depends on the exit object
1886		1998
1887	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1888		2000
1889	if ($exit->map) {	2001	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1894	}	2006	}
1895		2007
1896	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1897		2009
1898	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1900		2013
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2015	aio_write $fh, 0, (length $data), $data, 0;
		2016	undef $fh;
		2017	aio_rename "$meta~", $meta;
1903		2018
1904	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2020	$exit->msg (undef);
1906	}	2021	}
1907	}	2022	}
1908		2023
1909	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1911		2026
1912	return unless $self->type == cf::PLAYER;	2027	return unless $self->type == cf::PLAYER;
		2028
		2029	if ($exit->slaying eq "/!") {
		2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2031	# the problem is that $exit might not survive long enough
		2032	# so it needs to be done right now, right here
		2033	cf::sync_job { prepare_random_map $exit };
		2034	}
		2035
		2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2037	my $hp = $exit->stats->hp;
		2038	my $sp = $exit->stats->sp;
1913		2039
1914	$self->enter_link;	2040	$self->enter_link;
1915		2041
1916	(async {	2042	(async {
1917	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2044	unless (eval {
1919	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2046
1925	1;	2047	1;
1926	}) {	2048	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2050	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2051	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2053
1932	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2055	$self->leave_link;
1934	}	2056	}
1935	})->prio (1);	2057	})->prio (1);
…		…
1948		2070
1949	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1951		2073
1952	utf8::encode $text;	2074	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2076	}
1955		2077
		2078	=item $client->ext_event ($type, %msg)
		2079
		2080	Sends an exti event to the client.
		2081
		2082	=cut
		2083
		2084	sub cf::client::ext_event($$%) {
		2085	my ($self, $type, %msg) = @_;
		2086
		2087	$msg{msgtype} = "event_$type";
		2088	$self->send_packet ("ext " . cf::to_json \%msg);
		2089	}
1956		2090
1957	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1958		2092
1959	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1989	# get handled first	2123	# get handled first
1990	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2125	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2126
1993	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2129
1995	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1996		2131
1997	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2133	if (@$queue) {
…		…
2056		2191
2057	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
2058		2193
2059	=pod	2194	=pod
2060		2195
2061	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
2062		2197
2063	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
2064	cf::object::player player	2199	cf::object::player player
2065	cf::player peaceful	2200	cf::player peaceful
2066	cf::map trigger	2201	cf::map trigger
…		…
2151	#############################################################################	2286	#############################################################################
2152		2287
2153	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2154		2289
2155	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2156	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2157	excludes objects.	2292	convert to/from binary).
2158		2293
2159	The parameter C<$family> should best start with the name of the extension	2294	The parameter C<$family> should best start with the name of the extension
2160	using it, it should be unique.	2295	using it, it should be unique.
2161		2296
2162	=over 4	2297	=over 4
2163		2298
2164	=item $hashref = cf::db_get $family
2165
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
2171		2300
2172	Returns a single value from the database	2301	Returns a single value from the database.
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178		2302
2179	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2180		2304
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191		2306
2192	=cut	2307	=cut
2193		2308
2194	our $DB;	2309	our $DB;
2195		2310
2196	{	2311	sub db_init {
2197	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2198		2314
2199	sub db_load() {	2315	cf::sync_job {
2200	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2201	}	2317	$DB->set_flags (BDB::CHKSUM);
2202		2318
2203	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2204		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2205	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2206	waitpid $pid, 0 if $pid;	2322	};
2207	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}	2324	};
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2325	}
		2326	}
2225		2327
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {	2328	sub db_get($$) {
2232	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2237	sub db_put($$;$) {	2339	sub db_put($$$) {
2238	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2239	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2240	} else {	2342	}
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245		2343
2246	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2247	prio => 10000,	2345
2248	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2249	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($id, $src, $processversion, $process) = @_;
		2355
		2356	my $meta =
		2357	join "\x00",
		2358	$processversion,
		2359	map {
		2360	aio_stat $_
		2361	and Carp::croak "$_: $!";
		2362
		2363	($_, (stat _)[7,9])
		2364	} @$src;
		2365
		2366	my $dbmeta = db_get cache => "$id/meta";
		2367	if ($dbmeta ne $meta) {
		2368	# changed, we may need to process
		2369
		2370	my @data;
		2371	my $md5;
		2372
		2373	for (0 .. $#$src) {
		2374	0 <= aio_load $src->[$_], $data[$_]
		2375	or Carp::croak "$src->[$_]: $!";
2250	},	2376	}
2251	);	2377
		2378	# if processing is expensive, check
		2379	# checksum first
		2380	if (1) {
		2381	$md5 =
		2382	join "\x00",
		2383	$processversion,
		2384	map {
		2385	Coro::cede;
		2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2387	} 0.. $#$src;
		2388
		2389
		2390	my $dbmd5 = db_get cache => "$id/md5";
		2391	if ($dbmd5 eq $md5) {
		2392	db_put cache => "$id/meta", $meta;
		2393
		2394	return db_get cache => "$id/data";
		2395	}
		2396	}
		2397
		2398	my $t1 = Time::HiRes::time;
		2399	my $data = $process->(\@data);
		2400	my $t2 = Time::HiRes::time;
		2401
		2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2403
		2404	db_put cache => "$id/data", $data;
		2405	db_put cache => "$id/md5" , $md5;
		2406	db_put cache => "$id/meta", $meta;
		2407
		2408	return $data;
		2409	}
		2410
		2411	db_get cache => "$id/data"
2252	}	2412	}
		2413
		2414	=item fork_call { }, $args
		2415
		2416	Executes the given code block with the given arguments in a seperate
		2417	process, returning the results. Everything must be serialisable with
		2418	Coro::Storable. May, of course, block. Note that the executed sub may
		2419	never block itself or use any form of Event handling.
		2420
		2421	=cut
		2422
		2423	sub fork_call(&@) {
		2424	my ($cb, @args) = @_;
		2425
		2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2427	# or die "socketpair: $!";
		2428	pipe my $fh1, my $fh2
		2429	or die "pipe: $!";
		2430
		2431	if (my $pid = fork) {
		2432	close $fh2;
		2433
		2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2435	$res = Coro::Storable::thaw $res;
		2436
		2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2438
		2439	die $$res unless "ARRAY" eq ref $res;
		2440
		2441	return wantarray ? @$res : $res->[-1];
		2442	} else {
		2443	reset_signals;
		2444	local $SIG{__WARN__};
		2445	local $SIG{__DIE__};
		2446	eval {
		2447	close $fh1;
		2448
		2449	my @res = eval { $cb->(@args) };
		2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2451	};
		2452
		2453	warn $@ if $@;
		2454	_exit 0;
		2455	}
		2456	}
		2457
		2458
2253		2459
2254	#############################################################################	2460	#############################################################################
2255	# the server's main()	2461	# the server's init and main functions
		2462
		2463	sub load_facedata($) {
		2464	my ($path) = @_;
		2465
		2466	warn "loading facedata from $path\n";
		2467
		2468	my $facedata;
		2469	0 < aio_load $path, $facedata
		2470	or die "$path: $!";
		2471
		2472	$facedata = Coro::Storable::thaw $facedata;
		2473
		2474	$facedata->{version} == 2
		2475	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2476
		2477	{
		2478	my $faces = $facedata->{faceinfo};
		2479
		2480	while (my ($face, $info) = each %$faces) {
		2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2485	Coro::cede;
		2486	}
		2487
		2488	while (my ($face, $info) = each %$faces) {
		2489	next unless $info->{smooth};
		2490	my $idx = cf::face::find $face
		2491	or next;
		2492	if (my $smooth = cf::face::find $info->{smooth}) {
		2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2494	} else {
		2495	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2496	}
		2497	Coro::cede;
		2498	}
		2499	}
		2500
		2501	{
		2502	my $anims = $facedata->{animinfo};
		2503
		2504	while (my ($anim, $info) = each %$anims) {
		2505	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2506	Coro::cede;
		2507	}
		2508
		2509	cf::anim::invalidate_all; # d'oh
		2510	}
		2511
		2512	1
		2513	}
		2514
		2515	sub reload_regions {
		2516	load_resource_file "$MAPDIR/regions"
		2517	or die "unable to load regions file\n";
		2518	}
		2519
		2520	sub reload_facedata {
		2521	load_facedata "$DATADIR/facedata"
		2522	or die "unable to load facedata\n";
		2523	}
		2524
		2525	sub reload_archetypes {
		2526	load_resource_file "$DATADIR/archetypes"
		2527	or die "unable to load archetypes\n";
		2528	}
		2529
		2530	sub reload_treasures {
		2531	load_resource_file "$DATADIR/treasures"
		2532	or die "unable to load treasurelists\n";
		2533	}
		2534
		2535	sub reload_resources {
		2536	warn "reloading resource files...\n";
		2537
		2538	reload_regions;
		2539	reload_facedata;
		2540	reload_archetypes;
		2541	reload_treasures;
		2542
		2543	warn "finished reloading resource files\n";
		2544	}
		2545
		2546	sub init {
		2547	reload_resources;
		2548	}
2256		2549
2257	sub cfg_load {	2550	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2552	or return;
2260		2553
2261	local $/;	2554	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2263		2556
…		…
2277		2570
2278	sub main {	2571	sub main {
2279	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2575	(async {
2282	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2283	};	2578	};
2284		2579
2285	cfg_load;	2580	cfg_load;
2286	db_load;	2581	db_init;
2287	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2288	Event::loop;	2585	Event::loop;
2289	}	2586	}
2290		2587
2291	#############################################################################	2588	#############################################################################
2292	# initialisation and cleanup	2589	# initialisation and cleanup
2293		2590
2294	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2295	BEGIN {	2592	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2299	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2300	cb => sub {	2599	cb => sub {
2301	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2302	},	2601	},
2303	);	2602	);
2304	}	2603	}
2305	}	2604	}
…		…
2310	warn "enter emergency perl save\n";	2609	warn "enter emergency perl save\n";
2311		2610
2312	cf::sync_job {	2611	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2612	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2613	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2614	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2615	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2616	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2617	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2618	$pl->valid or next;
2320	$pl->save;	2619	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2626	$map->valid or next;
2328	$map->save;	2627	$map->save;
2329	}	2628	}
2330	warn "end emergency map save\n";	2629	warn "end emergency map save\n";
		2630
		2631	warn "begin emergency database checkpoint\n";
		2632	BDB::db_env_txn_checkpoint $DB_ENV;
		2633	warn "end emergency database checkpoint\n";
2331	};	2634	};
2332		2635
2333	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2334	}	2637	}
2335		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2336	sub reload() {	2646	sub do_reload_perl() {
2337	# can/must only be called in main	2647	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2340	return;	2650	return;
2341	}	2651	}
2342		2652
2343	warn "reloading...";	2653	warn "reloading...";
2344		2654
2345	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2347		2661
2348	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2349	# if anything goes wrong in here, we should simply crash as we already saved	2665	# if anything goes wrong in here, we should simply crash as we already saved
2350		2666
2351	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2670	}
2355		2671
		2672	warn "flushing outstanding aio requests";
		2673	for (;;) {
		2674	BDB::flush;
		2675	IO::AIO::flush;
		2676	Coro::cede;
		2677	last unless IO::AIO::nreqs || BDB::nreqs;
		2678	warn "iterate...";
		2679	}
		2680
		2681	++$RELOAD;
		2682
2356	# cancel all extension coros	2683	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2685	%EXT_CORO = ();
2359		2686
2360	# unload all extensions	2687	warn "removing commands";
2361	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2363	unload_extension $_;	2696
		2697	if (my $cb = $pkg->can ("unload")) {
		2698	eval {
		2699	$cb->($pkg);
		2700	1
		2701	} or warn "$pkg unloaded, but with errors: $@";
2364	}	2702	}
2365		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2366	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		2711
2370	warn "removing <$k>";	2712	warn "... unloading $k";
2371	delete $INC{$k};	2713	delete $INC{$k};
2372		2714
2373	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2375		2717
…		…
2378	}	2720	}
2379		2721
2380	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2381	}	2723	}
2382		2724
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		2728
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2396		2732
2397	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2398	# and global variables created in xs	2734	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2400		2736
2401	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2402	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2403	require cf;	2740	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		2742
2406	# load config and database again	2743	warn "loading config and database again";
2407	cf::cfg_load;	2744	cf::cfg_load;
2408	cf::db_load;
2409		2745
2410	# load extensions
2411	warn "load extensions";	2746	warn "loading extensions";
2412	cf::load_extensions;	2747	cf::load_extensions;
2413		2748
2414	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2415	warn "reattach";	2750	_global_reattach; # objects, sockets
2416	_global_reattach;	2751	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2418	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2419		2755
2420	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2421	warn $@;	2760	warn $@;
2422	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2423	exit 1;	2762	exit 1;
2424	}	2763	};
2425		2764
2426	warn "reloaded successfully";	2765	warn "reloaded";
2427	};	2766	};
2428		2767
2429	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2430		2769
2431	unless ($LINK_MAP) {	2770	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	2771	# doing reload synchronously and two reloads happen back-to-back,
		2772	# coro crashes during coro_state_free->destroy here.
2433		2773
2434	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	2775	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2444	cb => sub {	2778	cb => sub {
2445	$_[0]->w->cancel;	2779	do_reload_perl;
2446		2780	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	2781	},
2465		2782	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	2783	}
2471
2472	register "<global>", __PACKAGE__;
2473		2784
2474	register_command "reload" => sub {	2785	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2476		2787
2477	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2481	}	2791	}
2482	};	2792	};
2483		2793
2484	unshift @INC, $LIBDIR;	2794	unshift @INC, $LIBDIR;
		2795
		2796	my $bug_warning = 0;
		2797
		2798	our @WAIT_FOR_TICK;
		2799	our @WAIT_FOR_TICK_BEGIN;
		2800
		2801	sub wait_for_tick {
		2802	return unless $TICK_WATCHER->is_active;
		2803	return if $Coro::current == $Coro::main;
		2804
		2805	my $signal = new Coro::Signal;
		2806	push @WAIT_FOR_TICK, $signal;
		2807	$signal->wait;
		2808	}
		2809
		2810	sub wait_for_tick_begin {
		2811	return unless $TICK_WATCHER->is_active;
		2812	return if $Coro::current == $Coro::main;
		2813
		2814	my $signal = new Coro::Signal;
		2815	push @WAIT_FOR_TICK_BEGIN, $signal;
		2816	$signal->wait;
		2817	}
2485		2818
2486	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2488	prio => 0,	2822	prio => 0,
2489	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2491	cb => sub {	2825	cb => sub {
		2826	if ($Coro::current != $Coro::main) {
		2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2828	unless ++$bug_warning > 10;
		2829	return;
		2830	}
		2831
		2832	$NOW = Event::time;
		2833
2492	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2493	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2495		2838
2496	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2840	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2841	Coro::async_pool {
		2842	write_runtime
		2843	or warn "ERROR: unable to write runtime file: $!";
		2844	};
		2845	}
		2846
		2847	# my $AFTER = Event::time;
		2848	# warn $AFTER - $NOW;#d#
2498		2849
2499	# if we are delayed by four ticks or more, skip them all	2850	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501		2852
2502	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	2854	$TICK_WATCHER->start;
		2855
		2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2857	$sig->send;
		2858	}
		2859	while (my $sig = shift @WAIT_FOR_TICK) {
		2860	$sig->send;
		2861	}
		2862
		2863	_post_tick;
2504	},	2864	},
2505	);	2865	);
2506		2866
		2867	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2508		2869	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	2870	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2511	poll => 'r',	2872	poll => 'r',
2512	prio => 5,	2873	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2519	after => 0,	2875	cb => \&BDB::poll_cb,
2520	interval => 10,	2876	);
2521	cb => sub {	2877	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	2878
2523	write_runtime	2879	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	2880	my $status;
		2881	my $current = $Coro::current;
		2882	(
		2883	sub {
		2884	$status = $!;
		2885	$current->ready; undef $current;
		2886	},
		2887	sub {
		2888	Coro::schedule while defined $current;
		2889	$! = $status;
		2890	},
		2891	)
		2892	};
		2893
		2894	unless ($DB_ENV) {
		2895	$DB_ENV = BDB::db_env_create;
		2896
		2897	cf::sync_job {
		2898	eval {
		2899	BDB::db_env_open
		2900	$DB_ENV,
		2901	$BDBDIR,
		2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2904	0666;
		2905
		2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2907
		2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2909	$DB_ENV->set_lk_detect;
		2910	};
		2911
		2912	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	2913	};
2526	},	2914	}
2527	);	2915	}
		2916
		2917	{
		2918	IO::AIO::min_parallel 8;
		2919
		2920	undef $Coro::AIO::WATCHER;
		2921	IO::AIO::max_poll_time $TICK * 0.1;
		2922	$AIO_POLL_WATCHER = Event->io (
		2923	reentrant => 0,
		2924	data => WF_AUTOCANCEL,
		2925	fd => IO::AIO::poll_fileno,
		2926	poll => 'r',
		2927	prio => 6,
		2928	cb => \&IO::AIO::poll_cb,
		2929	);
		2930	}
		2931
		2932	my $_log_backtrace;
		2933
		2934	sub _log_backtrace {
		2935	my ($msg, @addr) = @_;
		2936
		2937	$msg =~ s/\n//;
		2938
		2939	# limit the # of concurrent backtraces
		2940	if ($_log_backtrace < 2) {
		2941	++$_log_backtrace;
		2942	async {
		2943	my @bt = fork_call {
		2944	@addr = map { sprintf "%x", $_ } @addr;
		2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2947	or die "addr2line: $!";
		2948
		2949	my @funcs;
		2950	my @res = <$fh>;
		2951	chomp for @res;
		2952	while (@res) {
		2953	my ($func, $line) = splice @res, 0, 2, ();
		2954	push @funcs, "[$func] $line";
		2955	}
		2956
		2957	@funcs
		2958	};
		2959
		2960	LOG llevInfo, "[ABT] $msg\n";
		2961	LOG llevInfo, "[ABT] $_\n" for @bt;
		2962	--$_log_backtrace;
		2963	};
		2964	} else {
		2965	LOG llevInfo, "[ABT] $msg\n";
		2966	LOG llevInfo, "[ABT] [suppressed]\n";
		2967	}
		2968	}
		2969
		2970	# load additional modules
		2971	use cf::pod;
2528		2972
2529	END { cf::emergency_save }	2973	END { cf::emergency_save }
2530		2974
2531	1	2975	1
2532		2976

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