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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 1.263 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	# 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		416
490	#############################################################################	417	#############################################################################
491		418
492	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
493		420
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	547	our @CB_MAP = ();
621		548
622	my %attachment;	549	my %attachment;
623		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
624	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
626		559
627	use sort 'stable';	560	use sort 'stable';
628		561
…		…
799	# object support	732	# object support
800		733
801	sub reattach {	734	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		739
805	my $registry = $obj->registry;	740	my $registry = $obj->registry;
806		741
807	@$registry = ();	742	@$registry = ();
808		743
…		…
855	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
856		791
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	796	close $fh;
862		797
863	if (@$objs) {	798	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	804	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
871	}	806	}
872	} else {	807	} else {
873	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
940	=cut	875	=cut
941		876
942	sub register_extcmd {	877	sub register_extcmd {
943	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
944		879
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
949	}	881	}
950		882
951	cf::player->attach (	883	cf::player->attach (
952	on_command => sub {	884	on_command => sub {
953	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
966		898
967	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
968		900
969	if (ref $msg) {	901	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	905	}
974	}	906	}
975	} else {	907	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		910
979	cf::override;	911	cf::override;
980	},	912	},
981	);	913	);
982		914
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {	915	sub load_extension {
990	my ($path) = @_;	916	my ($path) = @_;
991		917
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;	919	my $base = $1;
994	my $pkg = $1;	920	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
997		923
998	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
999		925
1000	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
1001	or die "$path: $!";	927	or die "$path: $!";
1002		928
1003	my $source =	929	my $source =
1004	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
1007	. "\n};\n1";	933	. "\n};\n1";
1008		934
1009	eval $source	935	unless (eval $source) {
1010	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
1011	: "extension disabled.\n";	937	: "extension disabled.\n";
1012		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1013	push @exts, $pkg;	939	warn $@;
1014	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
1015		941	exit 1;
1016	# no strict 'refs';	942	}
1017	# @{"$pkg\::ISA"} = ext::;	943	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	# }	944	}
1032		945
1033	# remove commands	946	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	}	947	}
1058		948
1059	sub load_extensions {	949	sub load_extensions {
1060	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	951	next unless -r $ext;
…		…
1065	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1066	}	956	}
1067	}	957	}
1068		958
1069	#############################################################################	959	#############################################################################
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		960
1085	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1086		962
1087	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1088		964
…		…
1101	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1102		978
1103	=cut	979	=cut
1104		980
1105	sub playerdir($) {	981	sub playerdir($) {
1106	cf::localdir	982	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	984	}
1112		985
1113	sub path($) {	986	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		988
1116	(playerdir $login) . "/$login.pl"	989	(playerdir $login) . "/playerdata"
1117	}	990	}
1118		991
1119	sub find_active($) {	992	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1124		997
1125	sub exists($) {	998	sub exists($) {
1126	my ($login) = @_;	999	my ($login) = @_;
1127		1000
1128	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1130	}	1003	}
1131		1004
1132	sub find($) {	1005	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1007	my $login = $_[0];
1135		1008
1136	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1137		1010
1138	$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
1139	my $pl = load_pl path $login	1019	my $pl = load_pl path $login
1140	or return;	1020	or return;
1141	$cf::PLAYER{$login} = $pl	1021	$cf::PLAYER{$login} = $pl
1142	}	1022	}
1143	}	1023	}
…		…
1180		1060
1181	=cut	1061	=cut
1182		1062
1183	sub quit_character {	1063	sub quit_character {
1184	my ($pl) = @_;	1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
1185		1067
1186	$pl->{deny_save} = 1;	1068	$pl->{deny_save} = 1;
1187	$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
1188		1070
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1076	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1077	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1078	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1079	delete $cf::PLAYER{$pl->ob->name};
1198	$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
1199	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;
1200	}	1102	}
1201		1103
1202	=item cf::player::list_logins	1104	=item cf::player::list_logins
1203		1105
1204	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
1205	while and may block, so not sync_job-capable, ever.	1107	while and may block, so not sync_job-capable, ever.
1206		1108
1207	=cut	1109	=cut
1208		1110
1209	sub list_logins {	1111	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1112	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1113	or return [];
1212		1114
1213	my @logins;	1115	my @logins;
1214		1116
1215	for my $login (@$dirs) {	1117	for my $login (@$dirs) {
…		…
1224	\@logins	1126	\@logins
1225	}	1127	}
1226		1128
1227	=item $player->maps	1129	=item $player->maps
1228		1130
1229	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
1230	player. May block.	1132	player. May block.
1231		1133
1232	=cut	1134	=cut
1233		1135
1234	sub maps($) {	1136	sub maps($) {
1235	my ($pl) = @_;	1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1140
1237	my $files = aio_readdir playerdir $pl	1141	my $files = aio_readdir playerdir $pl
1238	or return;	1142	or return;
1239		1143
1240	my @paths;	1144	my @paths;
1241		1145
1242	for (@$files) {	1146	for (@$files) {
1243	utf8::decode $_;	1147	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1148	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1149	next unless /^$PATH_SEP/o;
1246		1150
1247	s/$PATH_SEP/\//g;	1151	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1152	}
1250		1153
1251	\@paths	1154	\@paths
1252	}	1155	}
1253		1156
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1255		1158
1256	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1257		1160
1258	=cut	1161	=cut
1259		1162
1260	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1262		1165
1263	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1264		1167
1265	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1266	}	1169	}
1267		1170
1268	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		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	}
1269		1211
1270	=back	1212	=back
1271
1272		1213
1273	=head3 cf::map	1214	=head3 cf::map
1274		1215
1275	=over 4	1216	=over 4
1276		1217
…		…
1279	package cf::map;	1220	package cf::map;
1280		1221
1281	use Fcntl;	1222	use Fcntl;
1282	use Coro::AIO;	1223	use Coro::AIO;
1283		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1284	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1286		1231
1287	sub generate_random_map {	1232	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1235	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$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},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(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"
1304	}	1377	}
1305		1378
1306	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1307	# all maps in C++...	1380	# all maps in C++...
1308	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1310		1383
1311	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1313	}	1386	}
1314		1387
		1388	sub unlink_save {
		1389	my ($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
1315	sub try_load_header($) {	1396	sub load_header_from($) {
1316	my ($path) = @_;	1397	my ($self, $path) = @_;
1317		1398
1318	utf8::encode $path;	1399	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1320	or return;	1404	or return;
1321		1405
1322	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
1323	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1324		1452
1325	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1326	$map->path ($path);	1454	unless $self->default_region;
1327		1455
1328	$map->load_header ($path)	1456	1
1329	or return;
1330
1331	$map->{load_path} = $path;
1332
1333	$map
1334	}	1457	}
1335		1458
1336	sub find;	1459	sub find;
1337	sub find {	1460	sub find {
1338	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1339		1462
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1464
1345	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1346		1466
1347	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1349		1469	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;	1470	or return;
1369		1471
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;	1472	$map->{last_save} = $cf::RUNTIME;
1382		1473
1383	Coro::cede;	1474	$map->load_header
		1475	or return;
1384		1476
1385	if ($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;
1386	$map->reset;	1480	$map->reset;
1387	undef $guard;	1481	undef $guard;
1388	$map = find $path	1482	return find $path;
1389	or return;
1390	}	1483	}
1391		1484
1392	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1393	}	1486	}
1394	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1395		1491
1396	sub load {	1492	sub load {
1397	my ($self) = @_;	1493	my ($self) = @_;
1398		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1399	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1401		1501
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1503
1404	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1405		1505
1406	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1407	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1512	or return;
1409		1513
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1515	if delete $self->{load_original};
1412		1516
1413	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1518	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1520	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1418	}	1522	}
1419	}	1523	}
1420		1524
1421	Coro::cede;	1525	Coro::cede;
1422
1423	# now do the right thing for maps	1526	# now do the right thing for maps
1424	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1425
1426	if ($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)	1528	$self->difficulty ($self->estimate_difficulty)
1435	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;
1436	$self->activate;	1539	$self->activate;
1437	}	1540	}
1438		1541
1439	Coro::cede;
1440
1441	$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	$self
		1555	}
		1556
		1557	# find and load all maps in the 3x3 area around a map
		1558	sub load_diag {
		1559	my ($map) = @_;
		1560
		1561	my @diag; # diagonal neighbours
		1562
		1563	for (0 .. 3) {
		1564	my $neigh = $map->tile_path ($_)
		1565	or next;
		1566	$neigh = find $neigh, $map
		1567	or next;
		1568	$neigh->load;
		1569
		1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1572	}
		1573
		1574	for (@diag) {
		1575	my $neigh = find @$_
		1576	or next;
		1577	$neigh->load;
		1578	}
1442	}	1579	}
1443		1580
1444	sub find_sync {	1581	sub find_sync {
1445	my ($path, $origin) = @_;	1582	my ($path, $origin) = @_;
1446		1583
1447	cf::sync_job { cf::map::find $path, $origin }	1584	cf::sync_job { find $path, $origin }
1448	}	1585	}
1449		1586
1450	sub do_load_sync {	1587	sub do_load_sync {
1451	my ($map) = @_;	1588	my ($map) = @_;
1452		1589
1453	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1454	}	1591	}
1455		1592
		1593	our %MAP_PREFETCH;
		1594	our $MAP_PREFETCHER = undef;
		1595
		1596	sub find_async {
		1597	my ($path, $origin) = @_;
		1598
		1599	$path = normalise $path, $origin && $origin->{path};
		1600
		1601	if (my $map = $cf::MAP{$path}) {
		1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1603	}
		1604
		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	};
		1618	$MAP_PREFETCHER->prio (6);
		1619
		1620	()
		1621	}
		1622
1456	sub save {	1623	sub save {
1457	my ($self) = @_;	1624	my ($self) = @_;
1458		1625
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1627
1461	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1462		1629
1463	return unless $self->dirty;	1630	return unless $self->dirty;
1464		1631
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1634
1468	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1469		1636
1470	return if $self->{deny_save};	1637	return if $self->{deny_save};
1471		1638
…		…
1474	cf::async {	1641	cf::async {
1475	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1476	};	1643	};
1477		1644
1478	if ($uniq) {	1645	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	1648	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	1650	}
1484	}	1651	}
1485		1652
1486	sub swap_out {	1653	sub swap_out {
1487	my ($self) = @_;	1654	my ($self) = @_;
…		…
1501		1668
1502	sub reset_at {	1669	sub reset_at {
1503	my ($self) = @_;	1670	my ($self) = @_;
1504		1671
1505	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1507	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1508		1675
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		1678
…		…
1516	my ($self) = @_;	1683	my ($self) = @_;
1517		1684
1518	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1519	}	1686	}
1520		1687
1521	sub unlink_save {
1522	my ($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	$self->save;
1540	}
1541
1542	sub reset {	1688	sub reset {
1543	my ($self) = @_;	1689	my ($self) = @_;
1544		1690
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		1692
1547	return if $self->players;	1693	return if $self->players;
1548	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1549		1695
1550	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1551		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
1552	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1553		1711
1554	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1555		1713
1556	$self->unlink_save;	1714	$self->unlink_save;
1557	$self->destroy;	1715	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1561		1719
1562	sub nuke {	1720	sub nuke {
1563	my ($self) = @_;	1721	my ($self) = @_;
1564		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1568	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1569	}	1736	}
1570		1737
1571	sub customise_for {	1738	=item cf::map::unique_maps
1572	my ($map, $ob) = @_;
1573		1739
1574	if ($map->per_player) {	1740	Returns an arrayref of paths of all shared maps that have
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1741	instantiated unique items. May block.
1576	}
1577		1742
1578	$map	1743	=cut
		1744
		1745	sub unique_maps() {
		1746	my $files = aio_readdir $UNIQUEDIR
		1747	or return;
		1748
		1749	my @paths;
		1750
		1751	for (@$files) {
		1752	utf8::decode $_;
		1753	next if /\.pst$/;
		1754	next unless /^$PATH_SEP/o;
		1755
		1756	push @paths, cf::map::normalise $_;
		1757	}
		1758
		1759	\@paths
1579	}	1760	}
1580		1761
1581	package cf;	1762	package cf;
1582		1763
1583	=back	1764	=back
…		…
1655		1836
1656	=item $player_object->enter_link	1837	=item $player_object->enter_link
1657		1838
1658	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}>).
1659		1840
1660	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
1661	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1662		1843
		1844	Will never block.
		1845
1663	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1664		1847
1665	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	1851	fails, to the emergency map position.
1669		1852
1670	Might block.	1853	Might block.
1671		1854
1672	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($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	$LINK_MAP
		1865	}
1673		1866
1674	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1675	my ($self) = @_;	1868	my ($self) = @_;
1676		1869
1677	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1678		1871
1679	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		1873
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	1875	if $self->map;
1683		1876
1684	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	1878	}
1686		1879
1687	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1689		1882
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	1900	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	1901	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	1902	if $x <=0 && $y <= 0;
1710		1903
1711	$map->load;	1904	$map->load;
		1905	$map->load_diag;
1712		1906
1713	return unless $self->contr->active;	1907	return unless $self->contr->active;
1714	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1716	}	1912	}
1717		1913
1718	cf::player->attach (	1914	cf::player->attach (
1719	on_logout => sub {	1915	on_logout => sub {
…		…
1732	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes	1929	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1736	(async {	1932	(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,	1933	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1741	. "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.",
1742	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
1743	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1745	})->prio (2);	1941	})->prio (2);
1746	}	1942	}
1747	},	1943	},
…		…
1752	=cut	1948	=cut
1753		1949
1754	sub cf::object::player::goto {	1950	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1756		1952
1757	$path = new cf::path $path;
1758	$path ne "/" or Carp::cluck ("oy");#d#
1759
1760	$self->enter_link;	1953	$self->enter_link;
1761		1954
1762	(async {	1955	(async {
		1956	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1764	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1765		1959	$map
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1767	# if $map;
1768
1769	$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);
1770		1962
1771	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1772	})->prio (1);	1964	})->prio (1);
1773	}	1965	}
1774		1966
…		…
1778		1970
1779	sub parse_random_map_params {	1971	sub parse_random_map_params {
1780	my ($spec) = @_;	1972	my ($spec) = @_;
1781		1973
1782	my $rmp = { # defaults	1974	my $rmp = { # defaults
1783	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1785	};	1979	};
1786		1980
1787	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1789		1983
…		…
1793	$rmp	1987	$rmp
1794	}	1988	}
1795		1989
1796	sub prepare_random_map {	1990	sub prepare_random_map {
1797	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		1994
1799	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	1997	# that depends on the exit object
1802		1998
1803	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1804		2000
1805	if ($exit->map) {	2001	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1810	}	2006	}
1811		2007
1812	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1813		2009
1814	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1816		2013
1817	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) {
1818	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;
1819		2018
1820	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2020	$exit->msg (undef);
1822	}	2021	}
1823	}	2022	}
1824		2023
1825	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1827		2026
1828	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;
1829		2039
1830	$self->enter_link;	2040	$self->enter_link;
1831		2041
1832	(async {	2042	(async {
1833	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2044	unless (eval {
1835	prepare_random_map $exit	2045	$self->goto ($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		2046
1841	1;	2047	1;
1842	}) {	2048	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "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. "
1845	. "Please report this to the dungeon master",	2051	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2053
1848	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2055	$self->leave_link;
1850	}	2056	}
1851	})->prio (1);	2057	})->prio (1);
…		…
1864		2070
1865	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1867		2073
1868	utf8::encode $text;	2074	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2076	}
1871		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	}
1872		2090
1873	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1874		2092
1875	Queues a query to the client, calling the given callback with	2093	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>,	2094	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1905	# get handled first	2123	# get handled first
1906	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1907	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
1908		2126
1909	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2129
1911	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1912		2131
1913	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2133	if (@$queue) {
…		…
1972		2191
1973	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1974		2193
1975	=pod	2194	=pod
1976		2195
1977	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1978		2197
1979	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1980	cf::object::player player	2199	cf::object::player player
1981	cf::player peaceful	2200	cf::player peaceful
1982	cf::map trigger	2201	cf::map trigger
…		…
2067	#############################################################################	2286	#############################################################################
2068		2287
2069	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
2070		2289
2071	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
2072	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2073	excludes objects.	2292	convert to/from binary).
2074		2293
2075	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
2076	using it, it should be unique.	2295	using it, it should be unique.
2077		2296
2078	=over 4	2297	=over 4
2079		2298
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	2299	=item $value = cf::db_get $family => $key
2087		2300
2088	Returns a single value from the database	2301	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		2302
2095	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
2096		2304
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	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		2306
2108	=cut	2307	=cut
2109		2308
2110	our $DB;	2309	our $DB;
2111		2310
2112	{	2311	sub db_init {
2113	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
2114		2314
2115	sub db_load() {	2315	cf::sync_job {
2116	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
2117	}	2317	$DB->set_flags (BDB::CHKSUM);
2118		2318
2119	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2120		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2121	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2122	waitpid $pid, 0 if $pid;	2322	};
2123	if (0 == ($pid = fork)) {	2323	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	}	2324	};
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	});	2325	}
		2326	}
2141		2327
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {	2328	sub db_get($$) {
2148	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2153	sub db_put($$;$) {	2339	sub db_put($$$) {
2154	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2155	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2156	} else {	2342	}
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161		2343
2162	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2163	prio => 10000,	2345
2164	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2165	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($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 "$src->[$_]: $!";
2166	},	2376	}
2167	);	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"
2168	}	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
2169		2459
2170	#############################################################################	2460	#############################################################################
2171	# 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	}
2172		2549
2173	sub cfg_load {	2550	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2552	or return;
2176		2553
2177	local $/;	2554	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2179		2556
…		…
2193		2570
2194	sub main {	2571	sub main {
2195	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2197	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 {
2198	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2199	};	2578	};
2200		2579
2201	cfg_load;	2580	cfg_load;
2202	db_load;	2581	db_init;
2203	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2204	Event::loop;	2585	Event::loop;
2205	}	2586	}
2206		2587
2207	#############################################################################	2588	#############################################################################
2208	# initialisation and cleanup	2589	# initialisation and cleanup
2209		2590
2210	# install some emergency cleanup handlers	2591	# install some emergency cleanup handlers
2211	BEGIN {	2592	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	2593	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	2594	Event->signal (
		2595	reentrant => 0,
2214	data => WF_AUTOCANCEL,	2596	data => WF_AUTOCANCEL,
2215	signal => $signal,	2597	signal => $signal,
		2598	prio => 0,
2216	cb => sub {	2599	cb => sub {
2217	cf::cleanup "SIG$signal";	2600	cf::cleanup "SIG$signal";
2218	},	2601	},
2219	);	2602	);
2220	}	2603	}
2221	}	2604	}
…		…
2226	warn "enter emergency perl save\n";	2609	warn "enter emergency perl save\n";
2227		2610
2228	cf::sync_job {	2611	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	2612	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	2613	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	2614	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	2615	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	2616	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	2617	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	2618	$pl->valid or next;
2236	$pl->save;	2619	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	2625	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	2626	$map->valid or next;
2244	$map->save;	2627	$map->save;
2245	}	2628	}
2246	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";
2247	};	2634	};
2248		2635
2249	warn "leave emergency perl save\n";	2636	warn "leave emergency perl save\n";
2250	}	2637	}
2251		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2252	sub reload() {	2646	sub do_reload_perl() {
2253	# can/must only be called in main	2647	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2256	return;	2650	return;
2257	}	2651	}
2258		2652
2259	warn "reloading...";	2653	warn "reloading...";
2260		2654
2261	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2263		2661
2264	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2265	# 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
2266		2666
2267	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	2670	}
2271		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
2272	# cancel all extension coros	2683	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	2685	%EXT_CORO = ();
2275		2686
2276	# unload all extensions	2687	warn "removing commands";
2277	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2279	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: $@";
2280	}	2702	}
2281		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2282	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		2711
2286	warn "removing <$k>";	2712	warn "... unloading $k";
2287	delete $INC{$k};	2713	delete $INC{$k};
2288		2714
2289	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2291		2717
…		…
2294	}	2720	}
2295		2721
2296	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2297	}	2723	}
2298		2724
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2305	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);
2306		2728
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2312		2732
2313	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2314	# and global variables created in xs	2734	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2316		2736
2317	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2318	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2319	require cf;	2740	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		2742
2322	# load config and database again	2743	warn "loading config and database again";
2323	cf::cfg_load;	2744	cf::cfg_load;
2324	cf::db_load;
2325		2745
2326	# load extensions
2327	warn "load extensions";	2746	warn "loading extensions";
2328	cf::load_extensions;	2747	cf::load_extensions;
2329		2748
2330	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2331	warn "reattach";	2750	_global_reattach; # objects, sockets
2332	_global_reattach;	2751	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	2752	reattach $_ for values %MAP;
2334	};	2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2335		2755
2336	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2337	warn $@;	2760	warn $@;
2338	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2339	exit 1;	2762	exit 1;
2340	}	2763	};
2341		2764
2342	warn "reloaded successfully";	2765	warn "reloaded";
2343	};	2766	};
2344		2767
2345	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2346		2769
2347	unless ($LINK_MAP) {	2770	sub reload_perl() {
2348	$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.
2349		2773
2350	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	2775	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,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2360	cb => sub {	2778	cb => sub {
2361	$_[0]->w->cancel;	2779	do_reload_perl;
2362		2780	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	});	2781	},
2381		2782	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	2783	}
2387
2388	register "<global>", __PACKAGE__;
2389		2784
2390	register_command "reload" => sub {	2785	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2392		2787
2393	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2397	}	2791	}
2398	};	2792	};
2399		2793
2400	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	}
2401		2818
2402	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2404	prio => 0,	2822	prio => 0,
2405	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2407	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
2408	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2409	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2411		2838
2412	$WAIT_FOR_TICK->broadcast;	2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$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#
2414		2849
2415	# 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
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2417		2852
2418	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2419	$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;
2420	},	2864	},
2421	);	2865	);
2422		2866
		2867	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2424		2869	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	2870	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2427	poll => 'r',	2872	poll => 'r',
2428	prio => 5,	2873	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2435	after => 0,	2875	cb => \&BDB::poll_cb,
2436	interval => 10,	2876	);
2437	cb => sub {	2877	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	2878
2439	write_runtime	2879	BDB::set_sync_prepare {
2440	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 $@;
2441	})->();	2913	};
2442	},	2914	}
2443	);	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;
2444		2972
2445	END { cf::emergency_save }	2973	END { cf::emergency_save }
2446		2974
2447	1	2975	1
2448		2976

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