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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.156 by root, Tue Jan 9 22:07:08 2007 UTC vs.
Revision 1.264 by root, Sun May 6 05:44:48 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 $runtime = "$LOCALDIR/runtime";
344		373
		374	# first touch the runtime file to show we are still running:
		375	# the fsync below can take a very very long time.
		376
		377	warn "touching runtime...\n";#d#
		378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {
		379	utime undef, undef, $fh;
		380	}
		381
		382	my $guard = cf::lock_acquire "write_runtime";
		383
		384	warn "starting to write runtime...\n";#d#
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
346	or return;	386	or return;
347		387
		388	my $value = $cf::RUNTIME + 90 + 10;
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	389	# 10 is the runtime save interval, for a monotonic clock
		390	# 60 allows for the watchdog to kill the server.
		391
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;	393	and return;
351		394
		395	# always fsync - this file is important
352	aio_fsync $fh	396	aio_fsync $fh
353	and return;	397	and return;
354		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
355	close $fh	402	close $fh
356	or return;	403	or return;
357		404
358	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
359	and return;	406	and return;
360		407
		408	warn "... done writing runtime.\n";#d#
		409
361	1	410	1
362	}	411	}
363		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		422	}
		423
364	=back	424	=back
365		425
366	=cut	426	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		427
490	#############################################################################	428	#############################################################################
491		429
492	=head2 ATTACHABLE OBJECTS	430	=head2 ATTACHABLE OBJECTS
493		431
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	557	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	558	our @CB_MAP = ();
621		559
622	my %attachment;	560	my %attachment;
623		561
		562	sub cf::attachable::thawer_merge {
		563	# simply override everything except _meta
		564	local $_[0]{_meta};
		565	%{$_[0]} = %{$_[1]};
		566	}
		567
624	sub _attach_cb($$$$) {	568	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	569	my ($registry, $event, $prio, $cb) = @_;
626		570
627	use sort 'stable';	571	use sort 'stable';
628		572
…		…
799	# object support	743	# object support
800		744
801	sub reattach {	745	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	746	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	747	my ($obj) = @_;
		748
		749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		750
805	my $registry = $obj->registry;	751	my $registry = $obj->registry;
806		752
807	@$registry = ();	753	@$registry = ();
808		754
…		…
855	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
856		802
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	807	close $fh;
862		808
863	if (@$objs) {	809	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	815	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
871	}	817	}
872	} else {	818	} else {
873	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
940	=cut	886	=cut
941		887
942	sub register_extcmd {	888	sub register_extcmd {
943	my ($name, $cb) = @_;	889	my ($name, $cb) = @_;
944		890
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	891	$EXTCMD{$name} = $cb;
949	}	892	}
950		893
951	cf::player->attach (	894	cf::player->attach (
952	on_command => sub {	895	on_command => sub {
953	my ($pl, $name, $params) = @_;	896	my ($pl, $name, $params) = @_;
…		…
966		909
967	my $msg = eval { from_json $buf };	910	my $msg = eval { from_json $buf };
968		911
969	if (ref $msg) {	912	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	914	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	915	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	916	}
974	}	917	}
975	} else {	918	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		921
979	cf::override;	922	cf::override;
980	},	923	},
981	);	924	);
982		925
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	926	sub load_extension {
990	my ($path) = @_;	927	my ($path) = @_;
991		928
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	930	my $base = $1;
994	my $pkg = $1;	931	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	932	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	933	$pkg = "ext::$pkg";
997		934
998	warn "loading '$path' into '$pkg'\n";	935	warn "... loading '$path' into '$pkg'\n";
999		936
1000	open my $fh, "<:utf8", $path	937	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	938	or die "$path: $!";
1002		939
1003	my $source =	940	my $source =
1004	"package $pkg; use strict; use utf8;\n"	941	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	942	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	943	. (do { local $/; <$fh> })
1007	. "\n};\n1";	944	. "\n};\n1";
1008		945
1009	eval $source	946	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	947	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	948	: "extension disabled.\n";
1012		949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	950	warn $@;
1014	$ext_pkg{$base} = $pkg;	951	warn "mandatory extension failed to load, exiting.\n";
1015		952	exit 1;
1016	# no strict 'refs';	953	}
1017	# @{"$pkg\::ISA"} = ext::;	954	die $@;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }	955	}
1032		956
1033	# remove commands	957	push @EXTS, $pkg;
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}	958	}
1058		959
1059	sub load_extensions {	960	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	962	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
1066	}	967	}
1067	}	968	}
1068		969
1069	#############################################################################	970	#############################################################################
1070	# load/save/clean perl data associated with a map
1071
1072	*cf::mapsupport::on_clean = sub {
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		971
1085	=head2 CORE EXTENSIONS	972	=head2 CORE EXTENSIONS
1086		973
1087	Functions and methods that extend core crossfire objects.	974	Functions and methods that extend core crossfire objects.
1088		975
…		…
1101	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
1102		989
1103	=cut	990	=cut
1104		991
1105	sub playerdir($) {	992	sub playerdir($) {
1106	cf::localdir	993	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	995	}
1112		996
1113	sub path($) {	997	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		999
1116	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
1117	}	1001	}
1118		1002
1119	sub find_active($) {	1003	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
1124		1008
1125	sub exists($) {	1009	sub exists($) {
1126	my ($login) = @_;	1010	my ($login) = @_;
1127		1011
1128	$cf::PLAYER{$login}	1012	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1013	or cf::sync_job { !aio_stat path $login }
1130	}	1014	}
1131		1015
1132	sub find($) {	1016	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1017	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1018	my $login = $_[0];
1135		1019
1136	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
1137		1021
1138	$cf::PLAYER{$_[0]} || do {	1022	$cf::PLAYER{$_[0]} || do {
		1023	# rename old playerfiles to new ones
		1024	#TODO: remove when no longer required
		1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1028	aio_unlink +(playerdir $login) . "/$login.pl";
		1029
1139	my $pl = load_pl path $login	1030	my $pl = load_pl path $login
1140	or return;	1031	or return;
1141	$cf::PLAYER{$login} = $pl	1032	$cf::PLAYER{$login} = $pl
1142	}	1033	}
1143	}	1034	}
…		…
1180		1071
1181	=cut	1072	=cut
1182		1073
1183	sub quit_character {	1074	sub quit_character {
1184	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1185		1078
1186	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1080	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1081
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1089	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1091	$pl->destroy;
		1092
		1093	my $prefix = qr<^~\Q$name\E/>;
		1094
		1095	# nuke player maps
		1096	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1097
1199	IO::AIO::aio_rmtree $temp;	1098	IO::AIO::aio_rmtree $temp;
		1099	}
		1100
		1101	=item $pl->kick
		1102
		1103	Kicks a player out of the game. This destroys the connection.
		1104
		1105	=cut
		1106
		1107	sub kick {
		1108	my ($pl, $kicker) = @_;
		1109
		1110	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1111	$pl->killer ("kicked");
		1112	$pl->ns->destroy;
1200	}	1113	}
1201		1114
1202	=item cf::player::list_logins	1115	=item cf::player::list_logins
1203		1116
1204	Returns am arrayref of all valid playernames in the system, can take a	1117	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1118	while and may block, so not sync_job-capable, ever.
1206		1119
1207	=cut	1120	=cut
1208		1121
1209	sub list_logins {	1122	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1123	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1124	or return [];
1212		1125
1213	my @logins;	1126	my @logins;
1214		1127
1215	for my $login (@$dirs) {	1128	for my $login (@$dirs) {
…		…
1224	\@logins	1137	\@logins
1225	}	1138	}
1226		1139
1227	=item $player->maps	1140	=item $player->maps
1228		1141
1229	Returns an arrayref of cf::path's of all maps that are private for this	1142	Returns an arrayref of map paths that are private for this
1230	player. May block.	1143	player. May block.
1231		1144
1232	=cut	1145	=cut
1233		1146
1234	sub maps($) {	1147	sub maps($) {
1235	my ($pl) = @_;	1148	my ($pl) = @_;
		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1151
1237	my $files = aio_readdir playerdir $pl	1152	my $files = aio_readdir playerdir $pl
1238	or return;	1153	or return;
1239		1154
1240	my @paths;	1155	my @paths;
1241		1156
1242	for (@$files) {	1157	for (@$files) {
1243	utf8::decode $_;	1158	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1159	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1160	next unless /^$PATH_SEP/o;
1246		1161
1247	s/$PATH_SEP/\//g;	1162	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1163	}
1250		1164
1251	\@paths	1165	\@paths
1252	}	1166	}
1253		1167
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1255		1169
1256	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1257		1171
1258	=cut	1172	=cut
1259		1173
1260	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1262		1176
1263	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1264		1178
1265	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1266	}	1180	}
1267		1181
1268	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		1189	my ($self, $type, %msg) = @_;
		1190
		1191	$self->ns->ext_event ($type, %msg);
		1192	}
		1193
		1194	=head3 cf::region
		1195
		1196	=over 4
		1197
		1198	=cut
		1199
		1200	package cf::region;
		1201
		1202	=item cf::region::find_by_path $path
		1203
		1204	Tries to decuce the probable region for a map knowing only its path.
		1205
		1206	=cut
		1207
		1208	sub find_by_path($) {
		1209	my ($path) = @_;
		1210
		1211	my ($match, $specificity);
		1212
		1213	for my $region (list) {
		1214	if ($region->match && $path =~ $region->match) {
		1215	($match, $specificity) = ($region, $region->specificity)
		1216	if $region->specificity > $specificity;
		1217	}
		1218	}
		1219
		1220	$match
		1221	}
1269		1222
1270	=back	1223	=back
1271
1272		1224
1273	=head3 cf::map	1225	=head3 cf::map
1274		1226
1275	=over 4	1227	=over 4
1276		1228
…		…
1279	package cf::map;	1231	package cf::map;
1280		1232
1281	use Fcntl;	1233	use Fcntl;
1282	use Coro::AIO;	1234	use Coro::AIO;
1283		1235
		1236	use overload
		1237	'""' => \&as_string,
		1238	fallback => 1;
		1239
1284	our $MAX_RESET = 3600;	1240	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1241	our $DEFAULT_RESET = 3000;
1286		1242
1287	sub generate_random_map {	1243	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1244	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1245	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1246	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1250	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1251	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1257	(cf::region::find $rmp->{region}), $rmp->{custom}
		1258	)
		1259	}
		1260
		1261	=item cf::map->register ($regex, $prio)
		1262
		1263	Register a handler for the map path matching the given regex at the
		1264	givne priority (higher is better, built-in handlers have priority 0, the
		1265	default).
		1266
		1267	=cut
		1268
		1269	sub register {
		1270	my (undef, $regex, $prio) = @_;
		1271	my $pkg = caller;
		1272
		1273	no strict;
		1274	push @{"$pkg\::ISA"}, __PACKAGE__;
		1275
		1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1277	}
		1278
		1279	# also paths starting with '/'
		1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1281
		1282	sub thawer_merge {
		1283	my ($self, $merge) = @_;
		1284
		1285	# we have to keep some variables in memory intact
		1286	local $self->{path};
		1287	local $self->{load_path};
		1288	local $self->{deny_save};
		1289	local $self->{deny_reset};
		1290
		1291	$self->SUPER::thawer_merge ($merge);
		1292	}
		1293
		1294	sub normalise {
		1295	my ($path, $base) = @_;
		1296
		1297	$path = "$path"; # make sure its a string
		1298
		1299	$path =~ s/\.map$//;
		1300
		1301	# map plan:
		1302	#
		1303	# /! non-realised random map exit (special hack!)
		1304	# {... are special paths that are not being touched
		1305	# ?xxx/... are special absolute paths
		1306	# ?random/... random maps
		1307	# /... normal maps
		1308	# ~user/... per-player map of a specific user
		1309
		1310	$path =~ s/$PATH_SEP/\//go;
		1311
		1312	# treat it as relative path if it starts with
		1313	# something that looks reasonable
		1314	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1315	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1316
		1317	$base =~ s{[^/]+/?$}{};
		1318	$path = "$base/$path";
		1319	}
		1320
		1321	for ($path) {
		1322	redo if s{//}{/};
		1323	redo if s{/\.?/}{/};
		1324	redo if s{/[^/]+/\.\./}{/};
		1325	}
		1326
		1327	$path
		1328	}
		1329
		1330	sub new_from_path {
		1331	my (undef, $path, $base) = @_;
		1332
		1333	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1334
		1335	$path = normalise $path, $base;
		1336
		1337	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1338	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1339	my $self = bless cf::map::new, $pkg;
		1340	$self->{path} = $path; $self->path ($path);
		1341	$self->init; # pass $1 etc.
		1342	return $self;
		1343	}
		1344	}
		1345
		1346	Carp::carp "unable to resolve path '$path' (base '$base').";
		1347	()
		1348	}
		1349
		1350	sub init {
		1351	my ($self) = @_;
		1352
		1353	$self
		1354	}
		1355
		1356	sub as_string {
		1357	my ($self) = @_;
		1358
		1359	"$self->{path}"
		1360	}
		1361
		1362	# the displayed name, this is a one way mapping
		1363	sub visible_name {
		1364	&as_string
		1365	}
		1366
		1367	# the original (read-only) location
		1368	sub load_path {
		1369	my ($self) = @_;
		1370
		1371	"$MAPDIR/$self->{path}.map"
		1372	}
		1373
		1374	# the temporary/swap location
		1375	sub save_path {
		1376	my ($self) = @_;
		1377
		1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1379	"$TMPDIR/$path.map"
		1380	}
		1381
		1382	# the unique path, undef == no special unique path
		1383	sub uniq_path {
		1384	my ($self) = @_;
		1385
		1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1387	"$UNIQUEDIR/$path"
1304	}	1388	}
1305		1389
1306	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1307	# all maps in C++...	1391	# all maps in C++...
1308	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1310		1394
1311	$_->change_map_light ($change)	1395	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1396	for grep $_->outdoor, values %cf::MAP;
1313	}	1397	}
1314		1398
		1399	sub unlink_save {
		1400	my ($self) = @_;
		1401
		1402	utf8::encode (my $save = $self->save_path);
		1403	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1404	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1405	}
		1406
1315	sub try_load_header($) {	1407	sub load_header_from($) {
1316	my ($path) = @_;	1408	my ($self, $path) = @_;
1317		1409
1318	utf8::encode $path;	1410	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
		1412	# or return;
		1413
		1414	$self->_load_header ($path)
1320	or return;	1415	or return;
1321		1416
1322	my $map = cf::map::new	1417	$self->{load_path} = $path;
		1418
		1419	1
		1420	}
		1421
		1422	sub load_header_orig {
		1423	my ($self) = @_;
		1424
		1425	$self->load_header_from ($self->load_path)
		1426	}
		1427
		1428	sub load_header_temp {
		1429	my ($self) = @_;
		1430
		1431	$self->load_header_from ($self->save_path)
		1432	}
		1433
		1434	sub prepare_temp {
		1435	my ($self) = @_;
		1436
		1437	$self->last_access ((delete $self->{last_access})
		1438	|| $cf::RUNTIME); #d#
		1439	# safety
		1440	$self->{instantiate_time} = $cf::RUNTIME
		1441	if $self->{instantiate_time} > $cf::RUNTIME;
		1442	}
		1443
		1444	sub prepare_orig {
		1445	my ($self) = @_;
		1446
		1447	$self->{load_original} = 1;
		1448	$self->{instantiate_time} = $cf::RUNTIME;
		1449	$self->last_access ($cf::RUNTIME);
		1450	$self->instantiate;
		1451	}
		1452
		1453	sub load_header {
		1454	my ($self) = @_;
		1455
		1456	if ($self->load_header_temp) {
		1457	$self->prepare_temp;
		1458	} else {
		1459	$self->load_header_orig
1323	or return;	1460	or return;
		1461	$self->prepare_orig;
		1462	}
1324		1463
1325	# for better error messages only, will be overwritten	1464	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1465	unless $self->default_region;
1327		1466
1328	$map->load_header ($path)	1467	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1468	}
1335		1469
1336	sub find;	1470	sub find;
1337	sub find {	1471	sub find {
1338	my ($path, $origin) = @_;	1472	my ($path, $origin) = @_;
1339		1473
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1474	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1475
1345	cf::lock_wait "map_find:$key";	1476	cf::lock_wait "map_find:$path";
1346		1477
1347	$cf::MAP{$key} || do {	1478	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1479	my $guard = cf::lock_acquire "map_find:$path";
1349		1480	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1481	or return;
1369		1482
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1483	$map->{last_save} = $cf::RUNTIME;
1382		1484
1383	Coro::cede;	1485	$map->load_header
		1486	or return;
1384		1487
1385	if ($map->should_reset) {	1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1489	# doing this can freeze the server in a sync job, obviously
		1490	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1491	$map->reset;
1387	undef $guard;	1492	undef $guard;
1388	$map = find $path	1493	return find $path;
1389	or return;
1390	}	1494	}
1391		1495
1392	$cf::MAP{$key} = $map	1496	$cf::MAP{$path} = $map
1393	}	1497	}
1394	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1395		1502
1396	sub load {	1503	sub load {
1397	my ($self) = @_;	1504	my ($self) = @_;
1398		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1399	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1511	my $guard = cf::lock_acquire "map_load:$path";
1401		1512
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1514
1404	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1405		1516
1406	$self->alloc;	1517	$self->alloc;
		1518
		1519	$self->pre_load;
		1520	Coro::cede;
		1521
1407	$self->load_objects ($self->{load_path}, 1)	1522	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1523	or return;
1409		1524
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1526	if delete $self->{load_original};
1412		1527
1413	if (my $uniq = $path->uniq_path) {	1528	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1529	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1530	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1531	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1532	$self->_load_objects ($uniq, 0);
1418	}	1533	}
1419	}	1534	}
1420		1535
1421	Coro::cede;	1536	Coro::cede;
1422
1423	# now do the right thing for maps	1537	# now do the right thing for maps
1424	$self->link_multipart_objects;	1538	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1540	unless $self->difficulty;
		1541	Coro::cede;
		1542
		1543	unless ($self->{deny_activate}) {
		1544	$self->decay_objects;
		1545	$self->fix_auto_apply;
		1546	$self->update_buttons;
		1547	Coro::cede;
		1548	$self->set_darkness_map;
		1549	Coro::cede;
1436	$self->activate;	1550	$self->activate;
1437	}	1551	}
1438		1552
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1553	$self->in_memory (cf::MAP_IN_MEMORY);
		1554	}
		1555
		1556	$self->post_load;
		1557	}
		1558
		1559	sub customise_for {
		1560	my ($self, $ob) = @_;
		1561
		1562	return find "~" . $ob->name . "/" . $self->{path}
		1563	if $self->per_player;
		1564
		1565	$self
		1566	}
		1567
		1568	# find and load all maps in the 3x3 area around a map
		1569	sub load_diag {
		1570	my ($map) = @_;
		1571
		1572	my @diag; # diagonal neighbours
		1573
		1574	for (0 .. 3) {
		1575	my $neigh = $map->tile_path ($_)
		1576	or next;
		1577	$neigh = find $neigh, $map
		1578	or next;
		1579	$neigh->load;
		1580
		1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1583	}
		1584
		1585	for (@diag) {
		1586	my $neigh = find @$_
		1587	or next;
		1588	$neigh->load;
		1589	}
1442	}	1590	}
1443		1591
1444	sub find_sync {	1592	sub find_sync {
1445	my ($path, $origin) = @_;	1593	my ($path, $origin) = @_;
1446		1594
1447	cf::sync_job { cf::map::find $path, $origin }	1595	cf::sync_job { find $path, $origin }
1448	}	1596	}
1449		1597
1450	sub do_load_sync {	1598	sub do_load_sync {
1451	my ($map) = @_;	1599	my ($map) = @_;
1452		1600
1453	cf::sync_job { $map->load };	1601	cf::sync_job { $map->load };
1454	}	1602	}
1455		1603
		1604	our %MAP_PREFETCH;
		1605	our $MAP_PREFETCHER = undef;
		1606
		1607	sub find_async {
		1608	my ($path, $origin) = @_;
		1609
		1610	$path = normalise $path, $origin && $origin->{path};
		1611
		1612	if (my $map = $cf::MAP{$path}) {
		1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1614	}
		1615
		1616	undef $MAP_PREFETCH{$path};
		1617	$MAP_PREFETCHER ||= cf::async {
		1618	while (%MAP_PREFETCH) {
		1619	for my $path (keys %MAP_PREFETCH) {
		1620	my $map = find $path
		1621	or next;
		1622	$map->load;
		1623
		1624	delete $MAP_PREFETCH{$path};
		1625	}
		1626	}
		1627	undef $MAP_PREFETCHER;
		1628	};
		1629	$MAP_PREFETCHER->prio (6);
		1630
		1631	()
		1632	}
		1633
1456	sub save {	1634	sub save {
1457	my ($self) = @_;	1635	my ($self) = @_;
1458		1636
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1638
1461	$self->{last_save} = $cf::RUNTIME;	1639	$self->{last_save} = $cf::RUNTIME;
1462		1640
1463	return unless $self->dirty;	1641	return unless $self->dirty;
1464		1642
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1643	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1644	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1645
1468	$self->{load_path} = $save;	1646	$self->{load_path} = $save;
1469		1647
1470	return if $self->{deny_save};	1648	return if $self->{deny_save};
1471		1649
…		…
1474	cf::async {	1652	cf::async {
1475	$_->contr->save for $self->players;	1653	$_->contr->save for $self->players;
1476	};	1654	};
1477		1655
1478	if ($uniq) {	1656	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1659	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1661	}
1484	}	1662	}
1485		1663
1486	sub swap_out {	1664	sub swap_out {
1487	my ($self) = @_;	1665	my ($self) = @_;
…		…
1501		1679
1502	sub reset_at {	1680	sub reset_at {
1503	my ($self) = @_;	1681	my ($self) = @_;
1504		1682
1505	# TODO: safety, remove and allow resettable per-player maps	1683	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1685	return 1e99 if $self->{deny_reset};
1508		1686
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1689
…		…
1516	my ($self) = @_;	1694	my ($self) = @_;
1517		1695
1518	$self->reset_at <= $cf::RUNTIME	1696	$self->reset_at <= $cf::RUNTIME
1519	}	1697	}
1520		1698
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	1699	sub reset {
1543	my ($self) = @_;	1700	my ($self) = @_;
1544		1701
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1702	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1703
1547	return if $self->players;	1704	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1549		1706
1550	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1551		1708
		1709	$self->in_memory (cf::MAP_SWAPPED);
		1710
		1711	# need to save uniques path
		1712	unless ($self->{deny_save}) {
		1713	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1714
		1715	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1716	if $uniq;
		1717	}
		1718
1552	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->clear;
1553		1722
1554	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1555		1724
1556	$self->unlink_save;	1725	$self->unlink_save;
1557	$self->destroy;	1726	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1729	my $nuke_counter = "aaaa";
1561		1730
1562	sub nuke {	1731	sub nuke {
1563	my ($self) = @_;	1732	my ($self) = @_;
1564		1733
		1734	delete $cf::MAP{$self->path};
		1735
		1736	$self->unlink_save;
		1737
		1738	bless $self, "cf::map";
		1739	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1740	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1741	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1743
		1744	$cf::MAP{$self->path} = $self;
		1745
1568	$self->reset; # polite request, might not happen	1746	$self->reset; # polite request, might not happen
1569	}	1747	}
1570		1748
1571	sub customise_for {	1749	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1750
1574	if ($map->per_player) {	1751	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1752	instantiated unique items. May block.
1576	}
1577		1753
1578	$map	1754	=cut
		1755
		1756	sub unique_maps() {
		1757	my $files = aio_readdir $UNIQUEDIR
		1758	or return;
		1759
		1760	my @paths;
		1761
		1762	for (@$files) {
		1763	utf8::decode $_;
		1764	next if /\.pst$/;
		1765	next unless /^$PATH_SEP/o;
		1766
		1767	push @paths, cf::map::normalise $_;
		1768	}
		1769
		1770	\@paths
1579	}	1771	}
1580		1772
1581	package cf;	1773	package cf;
1582		1774
1583	=back	1775	=back
…		…
1655		1847
1656	=item $player_object->enter_link	1848	=item $player_object->enter_link
1657		1849
1658	Freezes the player and moves him/her to a special map (C<{link}>).	1850	Freezes the player and moves him/her to a special map (C<{link}>).
1659		1851
1660	The player should be reaosnably safe there for short amounts of time. You	1852	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	1853	I<MUST> call C<leave_link> as soon as possible, though.
1662		1854
		1855	Will never block.
		1856
1663	=item $player_object->leave_link ($map, $x, $y)	1857	=item $player_object->leave_link ($map, $x, $y)
1664		1858
1665	Moves the player out of the specila link map onto the given map. If the	1859	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1860	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1861	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1862	fails, to the emergency map position.
1669		1863
1670	Might block.	1864	Might block.
1671		1865
1672	=cut	1866	=cut
		1867
		1868	sub link_map {
		1869	unless ($LINK_MAP) {
		1870	$LINK_MAP = cf::map::find "{link}"
		1871	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1872	$LINK_MAP->load;
		1873	}
		1874
		1875	$LINK_MAP
		1876	}
1673		1877
1674	sub cf::object::player::enter_link {	1878	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1879	my ($self) = @_;
1676		1880
1677	$self->deactivate_recursive;	1881	$self->deactivate_recursive;
1678		1882
1679	return if $self->map == $LINK_MAP;	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1884
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1886	if $self->map;
1683		1887
1684	$self->enter_map ($LINK_MAP, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1889	}
1686		1890
1687	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1689		1893
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1911	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1912	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1913	if $x <=0 && $y <= 0;
1710		1914
1711	$map->load;	1915	$map->load;
		1916	$map->load_diag;
1712		1917
1713	return unless $self->contr->active;	1918	return unless $self->contr->active;
1714	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1716	}	1923	}
1717		1924
1718	cf::player->attach (	1925	cf::player->attach (
1719	on_logout => sub {	1926	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1940	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1736	(async {	1943	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,	1944	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",	1946	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);	1947	cf::NDI_RED);
		1948	# we need this sleep as the login has a concurrent enter_exit running
		1949	# and this sleep increases chances of the player not ending up in scorn
1743	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1745	})->prio (2);	1952	})->prio (2);
1746	}	1953	}
1747	},	1954	},
…		…
1752	=cut	1959	=cut
1753		1960
1754	sub cf::object::player::goto {	1961	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1756		1963
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1964	$self->enter_link;
1761		1965
1762	(async {	1966	(async {
		1967	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1968	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1765		1970	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1770		1973
1771	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1975	})->prio (1);
1773	}	1976	}
1774		1977
…		…
1778		1981
1779	sub parse_random_map_params {	1982	sub parse_random_map_params {
1780	my ($spec) = @_;	1983	my ($spec) = @_;
1781		1984
1782	my $rmp = { # defaults	1985	my $rmp = { # defaults
1783	xsize => 10,	1986	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1987	ysize => (cf::rndm 15, 40),
		1988	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1989	#layout => string,
1785	};	1990	};
1786		1991
1787	for (split /\n/, $spec) {	1992	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1993	my ($k, $v) = split /\s+/, $_, 2;
1789		1994
…		…
1793	$rmp	1998	$rmp
1794	}	1999	}
1795		2000
1796	sub prepare_random_map {	2001	sub prepare_random_map {
1797	my ($exit) = @_;	2002	my ($exit) = @_;
		2003
		2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2005
1799	# all this does is basically replace the /! path by	2006	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2007	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2008	# that depends on the exit object
1802		2009
1803	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1804		2011
1805	if ($exit->map) {	2012	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1810	}	2017	}
1811		2018
1812	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1813		2020
1814	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
		2023	my $meta = "$RANDOMDIR/$md5.meta";
1816		2024
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2026	aio_write $fh, 0, (length $data), $data, 0;
		2027	undef $fh;
		2028	aio_rename "$meta~", $meta;
1819		2029
1820	$exit->slaying ("?random/$md5");	2030	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2031	$exit->msg (undef);
1822	}	2032	}
1823	}	2033	}
1824		2034
1825	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1827		2037
1828	return unless $self->type == cf::PLAYER;	2038	return unless $self->type == cf::PLAYER;
		2039
		2040	if ($exit->slaying eq "/!") {
		2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2042	# the problem is that $exit might not survive long enough
		2043	# so it needs to be done right now, right here
		2044	cf::sync_job { prepare_random_map $exit };
		2045	}
		2046
		2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2048	my $hp = $exit->stats->hp;
		2049	my $sp = $exit->stats->sp;
1829		2050
1830	$self->enter_link;	2051	$self->enter_link;
1831		2052
1832	(async {	2053	(async {
1833	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2055	unless (eval {
1835	prepare_random_map $exit	2056	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2057
1841	1;	2058	1;
1842	}) {	2059	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2061	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2062	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2064
1848	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2066	$self->leave_link;
1850	}	2067	}
1851	})->prio (1);	2068	})->prio (1);
…		…
1864		2081
1865	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1867		2084
1868	utf8::encode $text;	2085	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2087	}
1871		2088
		2089	=item $client->ext_event ($type, %msg)
		2090
		2091	Sends an exti event to the client.
		2092
		2093	=cut
		2094
		2095	sub cf::client::ext_event($$%) {
		2096	my ($self, $type, %msg) = @_;
		2097
		2098	$msg{msgtype} = "event_$type";
		2099	$self->send_packet ("ext " . cf::to_json \%msg);
		2100	}
1872		2101
1873	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1874		2103
1875	Queues a query to the client, calling the given callback with	2104	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2134	# get handled first
1906	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2136	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2137
1909	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2140
1911	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1912		2142
1913	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2144	if (@$queue) {
…		…
1972		2202
1973	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
1974		2204
1975	=pod	2205	=pod
1976		2206
1977	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
1978		2208
1979	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2210	cf::object::player player
1981	cf::player peaceful	2211	cf::player peaceful
1982	cf::map trigger	2212	cf::map trigger
…		…
2067	#############################################################################	2297	#############################################################################
2068		2298
2069	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
2070		2300
2071	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2303	convert to/from binary).
2074		2304
2075	The parameter C<$family> should best start with the name of the extension	2305	The parameter C<$family> should best start with the name of the extension
2076	using it, it should be unique.	2306	using it, it should be unique.
2077		2307
2078	=over 4	2308	=over 4
2079		2309
2080	=item $hashref = cf::db_get $family
2081
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key	2310	=item $value = cf::db_get $family => $key
2087		2311
2088	Returns a single value from the database	2312	Returns a single value from the database.
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094		2313
2095	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2096		2315
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	Stores the given C<$value> in the family.
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107		2317
2108	=cut	2318	=cut
2109		2319
2110	our $DB;	2320	our $DB;
2111		2321
2112	{	2322	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2114		2325
2115	sub db_load() {	2326	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2117	}	2328	$DB->set_flags (BDB::CHKSUM);
2118		2329
2119	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2333	};
2123	if (0 == ($pid = fork)) {	2334	cf::cleanup "db_open(db): $@" if $@;
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}	2335	};
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});	2336	}
		2337	}
2141		2338
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2339	sub db_get($$) {
2148	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2153	sub db_put($$;$) {	2350	sub db_put($$$) {
2154	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2353	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2354
2162	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2356
2164	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($id, $src, $processversion, $process) = @_;
		2366
		2367	my $meta =
		2368	join "\x00",
		2369	$processversion,
		2370	map {
		2371	aio_stat $_
		2372	and Carp::croak "$_: $!";
		2373
		2374	($_, (stat _)[7,9])
		2375	} @$src;
		2376
		2377	my $dbmeta = db_get cache => "$id/meta";
		2378	if ($dbmeta ne $meta) {
		2379	# changed, we may need to process
		2380
		2381	my @data;
		2382	my $md5;
		2383
		2384	for (0 .. $#$src) {
		2385	0 <= aio_load $src->[$_], $data[$_]
		2386	or Carp::croak "$src->[$_]: $!";
2166	},	2387	}
2167	);	2388
		2389	# if processing is expensive, check
		2390	# checksum first
		2391	if (1) {
		2392	$md5 =
		2393	join "\x00",
		2394	$processversion,
		2395	map {
		2396	Coro::cede;
		2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
		2398	} 0.. $#$src;
		2399
		2400
		2401	my $dbmd5 = db_get cache => "$id/md5";
		2402	if ($dbmd5 eq $md5) {
		2403	db_put cache => "$id/meta", $meta;
		2404
		2405	return db_get cache => "$id/data";
		2406	}
		2407	}
		2408
		2409	my $t1 = Time::HiRes::time;
		2410	my $data = $process->(\@data);
		2411	my $t2 = Time::HiRes::time;
		2412
		2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		2414
		2415	db_put cache => "$id/data", $data;
		2416	db_put cache => "$id/md5" , $md5;
		2417	db_put cache => "$id/meta", $meta;
		2418
		2419	return $data;
		2420	}
		2421
		2422	db_get cache => "$id/data"
2168	}	2423	}
		2424
		2425	=item fork_call { }, $args
		2426
		2427	Executes the given code block with the given arguments in a seperate
		2428	process, returning the results. Everything must be serialisable with
		2429	Coro::Storable. May, of course, block. Note that the executed sub may
		2430	never block itself or use any form of Event handling.
		2431
		2432	=cut
		2433
		2434	sub fork_call(&@) {
		2435	my ($cb, @args) = @_;
		2436
		2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		2438	# or die "socketpair: $!";
		2439	pipe my $fh1, my $fh2
		2440	or die "pipe: $!";
		2441
		2442	if (my $pid = fork) {
		2443	close $fh2;
		2444
		2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		2446	$res = Coro::Storable::thaw $res;
		2447
		2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		2449
		2450	die $$res unless "ARRAY" eq ref $res;
		2451
		2452	return wantarray ? @$res : $res->[-1];
		2453	} else {
		2454	reset_signals;
		2455	local $SIG{__WARN__};
		2456	local $SIG{__DIE__};
		2457	eval {
		2458	close $fh1;
		2459
		2460	my @res = eval { $cb->(@args) };
		2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		2462	};
		2463
		2464	warn $@ if $@;
		2465	_exit 0;
		2466	}
		2467	}
		2468
		2469
2169		2470
2170	#############################################################################	2471	#############################################################################
2171	# the server's main()	2472	# the server's init and main functions
		2473
		2474	sub load_facedata($) {
		2475	my ($path) = @_;
		2476
		2477	warn "loading facedata from $path\n";
		2478
		2479	my $facedata;
		2480	0 < aio_load $path, $facedata
		2481	or die "$path: $!";
		2482
		2483	$facedata = Coro::Storable::thaw $facedata;
		2484
		2485	$facedata->{version} == 2
		2486	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2487
		2488	{
		2489	my $faces = $facedata->{faceinfo};
		2490
		2491	while (my ($face, $info) = each %$faces) {
		2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2496	Coro::cede;
		2497	}
		2498
		2499	while (my ($face, $info) = each %$faces) {
		2500	next unless $info->{smooth};
		2501	my $idx = cf::face::find $face
		2502	or next;
		2503	if (my $smooth = cf::face::find $info->{smooth}) {
		2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2505	} else {
		2506	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2507	}
		2508	Coro::cede;
		2509	}
		2510	}
		2511
		2512	{
		2513	my $anims = $facedata->{animinfo};
		2514
		2515	while (my ($anim, $info) = each %$anims) {
		2516	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2517	Coro::cede;
		2518	}
		2519
		2520	cf::anim::invalidate_all; # d'oh
		2521	}
		2522
		2523	1
		2524	}
		2525
		2526	sub reload_regions {
		2527	load_resource_file "$MAPDIR/regions"
		2528	or die "unable to load regions file\n";
		2529	}
		2530
		2531	sub reload_facedata {
		2532	load_facedata "$DATADIR/facedata"
		2533	or die "unable to load facedata\n";
		2534	}
		2535
		2536	sub reload_archetypes {
		2537	load_resource_file "$DATADIR/archetypes"
		2538	or die "unable to load archetypes\n";
		2539	}
		2540
		2541	sub reload_treasures {
		2542	load_resource_file "$DATADIR/treasures"
		2543	or die "unable to load treasurelists\n";
		2544	}
		2545
		2546	sub reload_resources {
		2547	warn "reloading resource files...\n";
		2548
		2549	reload_regions;
		2550	reload_facedata;
		2551	reload_archetypes;
		2552	reload_treasures;
		2553
		2554	warn "finished reloading resource files\n";
		2555	}
		2556
		2557	sub init {
		2558	reload_resources;
		2559	}
2172		2560
2173	sub cfg_load {	2561	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2563	or return;
2176		2564
2177	local $/;	2565	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2179		2567
…		…
2193		2581
2194	sub main {	2582	sub main {
2195	# we must not ever block the main coroutine	2583	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2584	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2586	(async {
2198	async { Event::one_event };	2587	Event::one_event;
		2588	})->prio (Coro::PRIO_MAX);
2199	};	2589	};
2200		2590
2201	cfg_load;	2591	cfg_load;
2202	db_load;	2592	db_init;
2203	load_extensions;	2593	load_extensions;
		2594
		2595	$TICK_WATCHER->start;
2204	Event::loop;	2596	Event::loop;
2205	}	2597	}
2206		2598
2207	#############################################################################	2599	#############################################################################
2208	# initialisation and cleanup	2600	# initialisation and cleanup
2209		2601
2210	# install some emergency cleanup handlers	2602	# install some emergency cleanup handlers
2211	BEGIN {	2603	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2604	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2605	Event->signal (
		2606	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2607	data => WF_AUTOCANCEL,
2215	signal => $signal,	2608	signal => $signal,
		2609	prio => 0,
2216	cb => sub {	2610	cb => sub {
2217	cf::cleanup "SIG$signal";	2611	cf::cleanup "SIG$signal";
2218	},	2612	},
2219	);	2613	);
2220	}	2614	}
2221	}	2615	}
…		…
2226	warn "enter emergency perl save\n";	2620	warn "enter emergency perl save\n";
2227		2621
2228	cf::sync_job {	2622	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2623	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2624	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2625	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2626	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2627	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2628	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2629	$pl->valid or next;
2236	$pl->save;	2630	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2636	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2637	$map->valid or next;
2244	$map->save;	2638	$map->save;
2245	}	2639	}
2246	warn "end emergency map save\n";	2640	warn "end emergency map save\n";
		2641
		2642	warn "begin emergency database checkpoint\n";
		2643	BDB::db_env_txn_checkpoint $DB_ENV;
		2644	warn "end emergency database checkpoint\n";
2247	};	2645	};
2248		2646
2249	warn "leave emergency perl save\n";	2647	warn "leave emergency perl save\n";
2250	}	2648	}
2251		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2252	sub reload() {	2657	sub do_reload_perl() {
2253	# can/must only be called in main	2658	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2660	warn "can only reload from main coroutine";
2256	return;	2661	return;
2257	}	2662	}
2258		2663
2259	warn "reloading...";	2664	warn "reloading...";
2260		2665
2261	my $guard = freeze_mainloop;	2666	warn "entering sync_job";
		2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2263		2672
2264	eval {	2673	warn "syncing database to disk";
		2674	BDB::db_env_txn_checkpoint $DB_ENV;
		2675
2265	# if anything goes wrong in here, we should simply crash as we already saved	2676	# if anything goes wrong in here, we should simply crash as we already saved
2266		2677
2267	# cancel all watchers	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2681	}
2271		2682
		2683	warn "flushing outstanding aio requests";
		2684	for (;;) {
		2685	BDB::flush;
		2686	IO::AIO::flush;
		2687	Coro::cede;
		2688	last unless IO::AIO::nreqs || BDB::nreqs;
		2689	warn "iterate...";
		2690	}
		2691
		2692	++$RELOAD;
		2693
2272	# cancel all extension coros	2694	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2696	%EXT_CORO = ();
2275		2697
2276	# unload all extensions	2698	warn "removing commands";
2277	for (@exts) {	2699	%COMMAND = ();
		2700
		2701	warn "removing ext commands";
		2702	%EXTCMD = ();
		2703
		2704	warn "unloading/nuking all extensions";
		2705	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2706	warn "... unloading $pkg";
2279	unload_extension $_;	2707
		2708	if (my $cb = $pkg->can ("unload")) {
		2709	eval {
		2710	$cb->($pkg);
		2711	1
		2712	} or warn "$pkg unloaded, but with errors: $@";
2280	}	2713	}
2281		2714
		2715	warn "... nuking $pkg";
		2716	Symbol::delete_package $pkg;
		2717	}
		2718
2282	# unload all modules loaded from $LIBDIR	2719	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2720	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2722
2286	warn "removing <$k>";	2723	warn "... unloading $k";
2287	delete $INC{$k};	2724	delete $INC{$k};
2288		2725
2289	$k =~ s/\.pm$//;	2726	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2727	$k =~ s/\//::/g;
2291		2728
…		…
2294	}	2731	}
2295		2732
2296	Symbol::delete_package $k;	2733	Symbol::delete_package $k;
2297	}	2734	}
2298		2735
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2736	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		2739
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2740	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2312		2743
2313	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2745	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2316		2747
2317	# reload cf.pm	2748	warn "unload completed, starting to reload now";
		2749
2318	warn "reloading cf.pm";	2750	warn "reloading cf.pm";
2319	require cf;	2751	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2753
2322	# load config and database again	2754	warn "loading config and database again";
2323	cf::cfg_load;	2755	cf::cfg_load;
2324	cf::db_load;
2325		2756
2326	# load extensions
2327	warn "load extensions";	2757	warn "loading extensions";
2328	cf::load_extensions;	2758	cf::load_extensions;
2329		2759
2330	# reattach attachments to objects	2760	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2761	_global_reattach; # objects, sockets
2332	_global_reattach;	2762	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2334	};	2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2335		2766
2336	if ($@) {	2767	warn "leaving sync_job";
		2768
		2769	1
		2770	} or do {
2337	warn $@;	2771	warn $@;
2338	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2339	exit 1;	2773	exit 1;
2340	}	2774	};
2341		2775
2342	warn "reloaded successfully";	2776	warn "reloaded";
2343	};	2777	};
2344		2778
2345	#############################################################################	2779	our $RELOAD_WATCHER; # used only during reload
2346		2780
2347	unless ($LINK_MAP) {	2781	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	2782	# doing reload synchronously and two reloads happen back-to-back,
		2783	# coro crashes during coro_state_free->destroy here.
2349		2784
2350	$LINK_MAP->width (41);	2785	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2786	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	2787	after => 0,
		2788	data => WF_AUTOCANCEL,
2360	cb => sub {	2789	cb => sub {
2361	$_[0]->w->cancel;	2790	do_reload_perl;
2362		2791	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	2792	},
2381		2793	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2794	}
2387
2388	register "<global>", __PACKAGE__;
2389		2795
2390	register_command "reload" => sub {	2796	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2392		2798
2393	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2800	$who->message ("reloading server.");
		2801	async { reload_perl };
2397	}	2802	}
2398	};	2803	};
2399		2804
2400	unshift @INC, $LIBDIR;	2805	unshift @INC, $LIBDIR;
		2806
		2807	my $bug_warning = 0;
		2808
		2809	our @WAIT_FOR_TICK;
		2810	our @WAIT_FOR_TICK_BEGIN;
		2811
		2812	sub wait_for_tick {
		2813	return unless $TICK_WATCHER->is_active;
		2814	return if $Coro::current == $Coro::main;
		2815
		2816	my $signal = new Coro::Signal;
		2817	push @WAIT_FOR_TICK, $signal;
		2818	$signal->wait;
		2819	}
		2820
		2821	sub wait_for_tick_begin {
		2822	return unless $TICK_WATCHER->is_active;
		2823	return if $Coro::current == $Coro::main;
		2824
		2825	my $signal = new Coro::Signal;
		2826	push @WAIT_FOR_TICK_BEGIN, $signal;
		2827	$signal->wait;
		2828	}
2401		2829
2402	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2831	reentrant => 0,
		2832	parked => 1,
2404	prio => 0,	2833	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2834	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2835	data => WF_AUTOCANCEL,
2407	cb => sub {	2836	cb => sub {
		2837	if ($Coro::current != $Coro::main) {
		2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2839	unless ++$bug_warning > 10;
		2840	return;
		2841	}
		2842
		2843	$NOW = Event::time;
		2844
2408	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2409	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2411		2849
2412	$WAIT_FOR_TICK->broadcast;	2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	2851	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2852	Coro::async_pool {
		2853	write_runtime
		2854	or warn "ERROR: unable to write runtime file: $!";
		2855	};
		2856	}
		2857
		2858	# my $AFTER = Event::time;
		2859	# warn $AFTER - $NOW;#d#
2414		2860
2415	# if we are delayed by four ticks or more, skip them all	2861	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2863
2418	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	2865	$TICK_WATCHER->start;
		2866
		2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2868	$sig->send;
		2869	}
		2870	while (my $sig = shift @WAIT_FOR_TICK) {
		2871	$sig->send;
		2872	}
		2873
		2874	_post_tick;
2420	},	2875	},
2421	);	2876	);
2422		2877
		2878	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2879	BDB::max_poll_time $TICK * 0.1;
2424		2880	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2881	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2882	fd => BDB::poll_fileno,
2427	poll => 'r',	2883	poll => 'r',
2428	prio => 5,	2884	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2885	data => WF_AUTOCANCEL,
2435	after => 0,	2886	cb => \&BDB::poll_cb,
2436	interval => 10,	2887	);
2437	cb => sub {	2888	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2889
2439	write_runtime	2890	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	2891	my $status;
		2892	my $current = $Coro::current;
		2893	(
		2894	sub {
		2895	$status = $!;
		2896	$current->ready; undef $current;
		2897	},
		2898	sub {
		2899	Coro::schedule while defined $current;
		2900	$! = $status;
		2901	},
		2902	)
		2903	};
		2904
		2905	unless ($DB_ENV) {
		2906	$DB_ENV = BDB::db_env_create;
		2907
		2908	cf::sync_job {
		2909	eval {
		2910	BDB::db_env_open
		2911	$DB_ENV,
		2912	$BDBDIR,
		2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2915	0666;
		2916
		2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		2918
		2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2920	$DB_ENV->set_lk_detect;
		2921	};
		2922
		2923	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	2924	};
2442	},	2925	}
2443	);	2926	}
		2927
		2928	{
		2929	IO::AIO::min_parallel 8;
		2930
		2931	undef $Coro::AIO::WATCHER;
		2932	IO::AIO::max_poll_time $TICK * 0.1;
		2933	$AIO_POLL_WATCHER = Event->io (
		2934	reentrant => 0,
		2935	data => WF_AUTOCANCEL,
		2936	fd => IO::AIO::poll_fileno,
		2937	poll => 'r',
		2938	prio => 6,
		2939	cb => \&IO::AIO::poll_cb,
		2940	);
		2941	}
		2942
		2943	my $_log_backtrace;
		2944
		2945	sub _log_backtrace {
		2946	my ($msg, @addr) = @_;
		2947
		2948	$msg =~ s/\n//;
		2949
		2950	# limit the # of concurrent backtraces
		2951	if ($_log_backtrace < 2) {
		2952	++$_log_backtrace;
		2953	async {
		2954	my @bt = fork_call {
		2955	@addr = map { sprintf "%x", $_ } @addr;
		2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		2958	or die "addr2line: $!";
		2959
		2960	my @funcs;
		2961	my @res = <$fh>;
		2962	chomp for @res;
		2963	while (@res) {
		2964	my ($func, $line) = splice @res, 0, 2, ();
		2965	push @funcs, "[$func] $line";
		2966	}
		2967
		2968	@funcs
		2969	};
		2970
		2971	LOG llevInfo, "[ABT] $msg\n";
		2972	LOG llevInfo, "[ABT] $_\n" for @bt;
		2973	--$_log_backtrace;
		2974	};
		2975	} else {
		2976	LOG llevInfo, "[ABT] $msg\n";
		2977	LOG llevInfo, "[ABT] [suppressed]\n";
		2978	}
		2979	}
		2980
		2981	# load additional modules
		2982	use cf::pod;
2444		2983
2445	END { cf::emergency_save }	2984	END { cf::emergency_save }
2446		2985
2447	1	2986	1
2448		2987

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