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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.264 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 ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
		29	use YAML::Syck ();
22	use IO::AIO 2.32 ();	30	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	31	use Time::HiRes;
		32	use Compress::LZF;
25		33
		34	# configure various modules to our taste
		35	#
		36	$Storable::canonical = 1; # reduce rsync transfers
		37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		39
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	40	$Event::Eval = 1; # no idea why this is required, but it is
27		41
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	43	$YAML::Syck::ImplicitUnicode = 1;
30		44
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		46
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		48
35	our %COMMAND = ();	49	our %COMMAND = ();
36	our %COMMAND_TIME = ();	50	our %COMMAND_TIME = ();
		51
		52	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	53	our %EXTCMD = ();
		54	our %EXT_CORO = (); # coroutines bound to extensions
		55	our %EXT_MAP = (); # pluggable maps
38		56
		57	our $RELOAD; # number of reloads so far
39	our @EVENT;	58	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		59
42	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71
		72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	73	our $TICK_WATCHER;
		74	our $AIO_POLL_WATCHER;
		75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	76	our $NEXT_TICK;
45	our $NOW;	77	our $NOW;
		78	our $USE_FSYNC = 1; # use fsync to write maps - default off
		79
		80	our $BDB_POLL_WATCHER;
		81	our $DB_ENV;
46		82
47	our %CFG;	83	our %CFG;
48		84
49	our $UPTIME; $UPTIME ||= time;	85	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	86	our $RUNTIME;
51		87
52	our %PLAYER; # all users	88	our %PLAYER; # all users
53	our %MAP; # all maps	89	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	91
56	our %EXT_CORO; # coroutines bound to extensions	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		94
58	binmode STDOUT;	95	binmode STDOUT;
59	binmode STDERR;	96	binmode STDERR;
60		97
61	# read virtual server time, if available	98	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
66	}	103	}
67		104
68	mkdir cf::localdir;	105	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		107
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
77		111
78	#############################################################################	112	#############################################################################
79		113
80	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
81		115
…		…
88	=item $cf::RUNTIME	122	=item $cf::RUNTIME
89		123
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	124	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	125	every server tick.
92		126
93	=item $cf::LIBDIR	127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		130
95	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		133	unique-items directory, player file directory, random maps directory and
		134	database environment.
97		135
98	=item $cf::NOW	136	=item $cf::NOW
99		137
100	The time of the last (current) server tick.	138	The time of the last (current) server tick.
101		139
…		…
105		143
106	=item %cf::CFG	144	=item %cf::CFG
107		145
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	147	from wherever your confdir points to.
		148
		149	=item cf::wait_for_tick, cf::wait_for_tick_begin
		150
		151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		152	returns directly I<after> the tick processing (and consequently, can only wake one process
		153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
110		154
111	=back	155	=back
112		156
113	=cut	157	=cut
114		158
115	BEGIN {	159	BEGIN {
116	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	161	my $msg = join "", @_;
118	utf8::encode $msg;
119		162
120	$msg .= "\n"	163	$msg .= "\n"
121	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
122		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
123	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
124	};	170	};
125	}	171	}
126		172
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		192
147	$Event::DIED = sub {	193	$Event::DIED = sub {
148	warn "error in event callback: @_";	194	warn "error in event callback: @_";
149	};	195	};
150		196
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
156		198
157	=over 4	199	=over 4
158		200
159	=cut	201	=item dumpval $ref
160		202
		203	=cut
		204
		205	sub dumpval {
		206	eval {
		207	local $SIG{__DIE__};
		208	my $d;
		209	if (1) {
		210	$d = new Data::Dumper([$_[0]], ["*var"]);
		211	$d->Terse(1);
		212	$d->Indent(2);
		213	$d->Quotekeys(0);
		214	$d->Useqq(1);
		215	#$d->Bless(...);
		216	$d->Seen($_[1]) if @_ > 1;
		217	$d = $d->Dump();
		218	}
		219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		220	$d
		221	} || "[unable to dump $_[0]: '$@']";
		222	}
		223
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		225
163	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
164		227
165	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
166		229
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
175		231
176	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
177
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184		233
185	=item cf::lock_wait $string	234	=item cf::lock_wait $string
186		235
187	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
188		237
…		…
194	returned.	243	returned.
195		244
196	Lock names should begin with a unique identifier (for example, cf::map::find	245	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
198		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
199	=cut	252	=cut
200		253
201	our %LOCK;	254	our %LOCK;
202		255
203	sub lock_wait($) {	256	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
224	}	277	}
225	}	278	}
226		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
227	sub freeze_mainloop {	286	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
229		288
230	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
231	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
232	$guard	293	$guard
233	}	294	}
234		295
235	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
287	}	348	}
288	}	349	}
289		350
290	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
291		352
292	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	354	extension calling this is being unloaded.
294		355
295	=cut	356	=cut
296		357
297	sub async_ext(&) {	358	sub async_ext(&) {
…		…
306		367
307	$coro	368	$coro
308	}	369	}
309		370
310	sub write_runtime {	371	sub write_runtime {
311	my $runtime = cf::localdir . "/runtime";	372	my $runtime = "$LOCALDIR/runtime";
312		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#
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	386	or return;
315		387
		388	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	392	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	393	and return;
319		394
		395	# always fsync - this file is important
320	aio_fsync $fh	396	aio_fsync $fh
321	and return;	397	and return;
322		398
		399	# touch it again to show we are up-to-date
		400	utime undef, undef, $fh;
		401
323	close $fh	402	close $fh
324	or return;	403	or return;
325		404
326	aio_rename "$runtime~", $runtime	405	aio_rename "$runtime~", $runtime
327	and return;	406	and return;
328		407
		408	warn "... done writing runtime.\n";#d#
		409
329	1	410	1
330	}	411	}
331		412
		413	=item cf::datalog type => key => value, ...
		414
		415	Log a datalog packet of the given type with the given key-value pairs.
		416
		417	=cut
		418
		419	sub datalog($@) {
		420	my ($type, %kv) = @_;
		421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		422	}
		423
332	=back	424	=back
333		425
334	=cut	426	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		427
456	#############################################################################	428	#############################################################################
457		429
458	=head2 ATTACHABLE OBJECTS	430	=head2 ATTACHABLE OBJECTS
459		431
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	557	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	558	our @CB_MAP = ();
587		559
588	my %attachment;	560	my %attachment;
589		561
		562	sub cf::attachable::thawer_merge {
		563	# simply override everything except _meta
		564	local $_[0]{_meta};
		565	%{$_[0]} = %{$_[1]};
		566	}
		567
590	sub _attach_cb($$$$) {	568	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	569	my ($registry, $event, $prio, $cb) = @_;
592		570
593	use sort 'stable';	571	use sort 'stable';
594		572
…		…
765	# object support	743	# object support
766		744
767	sub reattach {	745	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	746	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	747	my ($obj) = @_;
		748
		749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		750
771	my $registry = $obj->registry;	751	my $registry = $obj->registry;
772		752
773	@$registry = ();	753	@$registry = ();
774		754
…		…
821	$filename, length $$rdata, scalar @$objs;	801	$filename, length $$rdata, scalar @$objs;
822		802
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	804	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	806	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	807	close $fh;
828		808
829	if (@$objs) {	809	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	811	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	812	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	813	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	814	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	815	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	816	aio_rename "$filename.pst~", "$filename.pst";
837	}	817	}
838	} else {	818	} else {
839	aio_unlink "$filename.pst";	819	aio_unlink "$filename.pst";
…		…
906	=cut	886	=cut
907		887
908	sub register_extcmd {	888	sub register_extcmd {
909	my ($name, $cb) = @_;	889	my ($name, $cb) = @_;
910		890
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	891	$EXTCMD{$name} = $cb;
915	}	892	}
916		893
917	cf::player->attach (	894	cf::player->attach (
918	on_command => sub {	895	on_command => sub {
919	my ($pl, $name, $params) = @_;	896	my ($pl, $name, $params) = @_;
…		…
932		909
933	my $msg = eval { from_json $buf };	910	my $msg = eval { from_json $buf };
934		911
935	if (ref $msg) {	912	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	914	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	915	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	916	}
940	}	917	}
941	} else {	918	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		921
945	cf::override;	922	cf::override;
946	},	923	},
947	);	924	);
948		925
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	926	sub load_extension {
956	my ($path) = @_;	927	my ($path) = @_;
957		928
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	930	my $base = $1;
960	my $pkg = $1;	931	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	932	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	933	$pkg = "ext::$pkg";
963		934
964	warn "loading '$path' into '$pkg'\n";	935	warn "... loading '$path' into '$pkg'\n";
965		936
966	open my $fh, "<:utf8", $path	937	open my $fh, "<:utf8", $path
967	or die "$path: $!";	938	or die "$path: $!";
968		939
969	my $source =	940	my $source =
970	"package $pkg; use strict; use utf8;\n"	941	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	942	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	943	. (do { local $/; <$fh> })
973	. "\n};\n1";	944	. "\n};\n1";
974		945
975	eval $source	946	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	947	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	948	: "extension disabled.\n";
978		949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	950	warn $@;
980	$ext_pkg{$base} = $pkg;	951	warn "mandatory extension failed to load, exiting.\n";
981		952	exit 1;
982	# no strict 'refs';	953	}
983	# @{"$pkg\::ISA"} = ext::;	954	die $@;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }	955	}
998		956
999	# remove commands	957	push @EXTS, $pkg;
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	958	}
1024		959
1025	sub load_extensions {	960	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	961	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	962	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	966	} or warn "$ext not loaded: $@";
1032	}	967	}
1033	}	968	}
1034		969
1035	#############################################################################	970	#############################################################################
1036	# load/save/clean perl data associated with a map
1037
1038	*cf::mapsupport::on_clean = sub {
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		971
1073	=head2 CORE EXTENSIONS	972	=head2 CORE EXTENSIONS
1074		973
1075	Functions and methods that extend core crossfire objects.	974	Functions and methods that extend core crossfire objects.
1076		975
1077	=cut	976	=cut
1078		977
1079	package cf::player;	978	package cf::player;
1080		979
		980	use Coro::AIO;
		981
1081	=head3 cf::player	982	=head3 cf::player
1082		983
1083	=over 4	984	=over 4
1084		985
1085	=item cf::player::find $login	986	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	988	Returns the given player object, loading it if necessary (might block).
1088		989
1089	=cut	990	=cut
1090		991
1091	sub playerdir($) {	992	sub playerdir($) {
1092	cf::localdir	993	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	994	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	995	}
1098		996
1099	sub path($) {	997	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	998	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		999
1102	(playerdir $login) . "/$login.pl"	1000	(playerdir $login) . "/playerdata"
1103	}	1001	}
1104		1002
1105	sub find_active($) {	1003	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1004	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1005	and $cf::PLAYER{$_[0]}->active
…		…
1110		1008
1111	sub exists($) {	1009	sub exists($) {
1112	my ($login) = @_;	1010	my ($login) = @_;
1113		1011
1114	$cf::PLAYER{$login}	1012	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1013	or cf::sync_job { !aio_stat path $login }
1116	}	1014	}
1117		1015
1118	sub find($) {	1016	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1017	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1018	my $login = $_[0];
1121		1019
1122	my $guard = cf::lock_acquire "user_find:$login";	1020	my $guard = cf::lock_acquire "user_find:$login";
1123		1021
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1030	my $pl = load_pl path $login
		1031	or return;
		1032	$cf::PLAYER{$login} = $pl
		1033	}
1125	};	1034	}
1126	}	1035	}
1127		1036
1128	sub save($) {	1037	sub save($) {
1129	my ($pl) = @_;	1038	my ($pl) = @_;
1130		1039
…		…
1132		1041
1133	my $path = path $pl;	1042	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1043	my $guard = cf::lock_acquire "user_save:$path";
1135		1044
1136	return if $pl->{deny_save};	1045	return if $pl->{deny_save};
		1046
		1047	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1048	$pl->{last_save} = $cf::RUNTIME;
1138		1049
1139	Coro::cede;
1140	$pl->save_pl ($path);	1050	$pl->save_pl ($path);
1141	Coro::cede;	1051	Coro::cede;
1142	}	1052	}
1143		1053
1144	sub new($) {	1054	sub new($) {
…		…
1152	$cf::PLAYER{$login} = $self;	1062	$cf::PLAYER{$login} = $self;
1153		1063
1154	$self	1064	$self
1155	}	1065	}
1156		1066
		1067	=item $pl->quit_character
		1068
		1069	Nukes the player without looking back. If logged in, the connection will
		1070	be destroyed. May block for a long time.
		1071
		1072	=cut
		1073
1157	sub quit_character {	1074	sub quit_character {
1158	my ($pl) = @_;	1075	my ($pl) = @_;
		1076
		1077	my $name = $pl->ob->name;
1159		1078
1160	$pl->{deny_save} = 1;	1079	$pl->{deny_save} = 1;
1161	$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
1162		1081
1163	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1165	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1166	$pl->ns->destroy if $pl->ns;	1085	$pl->ns->destroy if $pl->ns;
1167		1086
1168	my $path = playerdir $pl;	1087	my $path = playerdir $pl;
1169	my $temp = "$path~$cf::RUNTIME~deleting~";	1088	my $temp = "$path~$cf::RUNTIME~deleting~";
1170	IO::AIO::aio_rename $path, $temp, sub {	1089	aio_rename $path, $temp;
1171	delete $cf::PLAYER{$pl->ob->name};	1090	delete $cf::PLAYER{$pl->ob->name};
1172	$pl->destroy;	1091	$pl->destroy;
1173		1092
		1093	my $prefix = qr<^~\Q$name\E/>;
		1094
		1095	# nuke player maps
		1096	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1097
1174	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;
		1113	}
		1114
		1115	=item cf::player::list_logins
		1116
		1117	Returns am arrayref of all valid playernames in the system, can take a
		1118	while and may block, so not sync_job-capable, ever.
		1119
		1120	=cut
		1121
		1122	sub list_logins {
		1123	my $dirs = aio_readdir $PLAYERDIR
		1124	or return [];
		1125
		1126	my @logins;
		1127
		1128	for my $login (@$dirs) {
		1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1130	aio_read $fh, 0, 512, my $buf, 0 or next;
		1131	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1132
		1133	utf8::decode $login;
		1134	push @logins, $login;
1175	};	1135	}
1176	}
1177		1136
		1137	\@logins
		1138	}
		1139
		1140	=item $player->maps
		1141
		1142	Returns an arrayref of map paths that are private for this
		1143	player. May block.
		1144
		1145	=cut
		1146
		1147	sub maps($) {
		1148	my ($pl) = @_;
		1149
		1150	$pl = ref $pl ? $pl->ob->name : $pl;
		1151
		1152	my $files = aio_readdir playerdir $pl
		1153	or return;
		1154
		1155	my @paths;
		1156
		1157	for (@$files) {
		1158	utf8::decode $_;
		1159	next if /\.(?:pl|pst)$/;
		1160	next unless /^$PATH_SEP/o;
		1161
		1162	push @paths, cf::map::normalise "~$pl/$_";
		1163	}
		1164
		1165	\@paths
		1166	}
		1167
1178	=item $player->ext_reply ($msgid, $msgtype, %msg)	1168	=item $player->ext_reply ($msgid, %msg)
1179		1169
1180	Sends an ext reply to the player.	1170	Sends an ext reply to the player.
1181		1171
1182	=cut	1172	=cut
1183		1173
1184	sub ext_reply($$$%) {	1174	sub ext_reply($$%) {
1185	my ($self, $id, %msg) = @_;	1175	my ($self, $id, %msg) = @_;
1186		1176
1187	$msg{msgid} = $id;	1177	$msg{msgid} = $id;
1188		1178
1189	$self->send ("ext " . cf::to_json \%msg);	1179	$self->send ("ext " . cf::to_json \%msg);
1190	}	1180	}
1191		1181
1192	package cf;	1182	=item $player->ext_event ($type, %msg)
		1183
		1184	Sends an ext event to the client.
		1185
		1186	=cut
		1187
		1188	sub ext_event($$%) {
		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	}
1193		1222
1194	=back	1223	=back
1195
1196		1224
1197	=head3 cf::map	1225	=head3 cf::map
1198		1226
1199	=over 4	1227	=over 4
1200		1228
…		…
1203	package cf::map;	1231	package cf::map;
1204		1232
1205	use Fcntl;	1233	use Fcntl;
1206	use Coro::AIO;	1234	use Coro::AIO;
1207		1235
		1236	use overload
		1237	'""' => \&as_string,
		1238	fallback => 1;
		1239
1208	our $MAX_RESET = 3600;	1240	our $MAX_RESET = 3600;
1209	our $DEFAULT_RESET = 3000;	1241	our $DEFAULT_RESET = 3000;
1210		1242
1211	sub generate_random_map {	1243	sub generate_random_map {
1212	my ($path, $rmp) = @_;	1244	my ($self, $rmp) = @_;
1213
1214	# mit "rum" bekleckern, nicht	1245	# mit "rum" bekleckern, nicht
1215	cf::map::_create_random_map	1246	$self->_create_random_map (
1216	$path,
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1250	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1251	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225	$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},
1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227	(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"
1228	}	1388	}
1229		1389
1230	# and all this just because we cannot iterate over	1390	# and all this just because we cannot iterate over
1231	# all maps in C++...	1391	# all maps in C++...
1232	sub change_all_map_light {	1392	sub change_all_map_light {
…		…
1234		1394
1235	$_->change_map_light ($change)	1395	$_->change_map_light ($change)
1236	for grep $_->outdoor, values %cf::MAP;	1396	for grep $_->outdoor, values %cf::MAP;
1237	}	1397	}
1238		1398
		1399	sub unlink_save {
		1400	my ($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
1239	sub try_load_header($) {	1407	sub load_header_from($) {
1240	my ($path) = @_;	1408	my ($self, $path) = @_;
1241		1409
1242	utf8::encode $path;	1410	utf8::encode $path;
1243	aio_open $path, O_RDONLY, 0	1411	#aio_open $path, O_RDONLY, 0
		1412	# or return;
		1413
		1414	$self->_load_header ($path)
1244	or return;	1415	or return;
1245		1416
1246	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
1247	or return;	1460	or return;
		1461	$self->prepare_orig;
		1462	}
1248		1463
1249	# for better error messages only, will be overwritten	1464	$self->default_region (cf::region::find_by_path $self->{path})
1250	$map->path ($path);	1465	unless $self->default_region;
1251		1466
1252	$map->load_header ($path)	1467	1
1253	or return;
1254
1255	$map->{load_path} = $path;
1256
1257	$map
1258	}	1468	}
1259		1469
1260	sub find;	1470	sub find;
1261	sub find {	1471	sub find {
1262	my ($path, $origin) = @_;	1472	my ($path, $origin) = @_;
1263		1473
1264	#warn "find<$path,$origin>\n";#d#
1265
1266	$path = new cf::path $path, $origin && $origin->path;	1474	$path = normalise $path, $origin && $origin->path;
1267	my $key = $path->as_string;
1268		1475
1269	cf::lock_wait "map_find:$key";	1476	cf::lock_wait "map_find:$path";
1270		1477
1271	$cf::MAP{$key} || do {	1478	$cf::MAP{$path} || do {
1272	my $guard = cf::lock_acquire "map_find:$key";	1479	my $guard = cf::lock_acquire "map_find:$path";
1273		1480	my $map = new_from_path cf::map $path
1274	# do it the slow way
1275	my $map = try_load_header $path->save_path;
1276
1277	Coro::cede;
1278
1279	if ($map) {
1280	$map->last_access ((delete $map->{last_access})
1281	|| $cf::RUNTIME); #d#
1282	# safety
1283	$map->{instantiate_time} = $cf::RUNTIME
1284	if $map->{instantiate_time} > $cf::RUNTIME;
1285	} else {
1286	if (my $rmp = $path->random_map_params) {
1287	$map = generate_random_map $key, $rmp;
1288	} else {
1289	$map = try_load_header $path->load_path;
1290	}
1291
1292	$map or return;	1481	or return;
1293		1482
1294	$map->{load_original} = 1;
1295	$map->{instantiate_time} = $cf::RUNTIME;
1296	$map->last_access ($cf::RUNTIME);
1297	$map->instantiate;
1298
1299	# per-player maps become, after loading, normal maps
1300	$map->per_player (0) if $path->{user_rel};
1301	}
1302
1303	$map->path ($key);
1304	$map->{path} = $path;
1305	$map->{last_save} = $cf::RUNTIME;	1483	$map->{last_save} = $cf::RUNTIME;
1306		1484
1307	Coro::cede;	1485	$map->load_header
		1486	or return;
1308		1487
1309	if ($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;
1310	$map->reset;	1491	$map->reset;
1311	undef $guard;	1492	undef $guard;
1312	$map = find $path	1493	return find $path;
1313	or return;
1314	}	1494	}
1315		1495
1316	$cf::MAP{$key} = $map	1496	$cf::MAP{$path} = $map
1317	}	1497	}
1318	}	1498	}
		1499
		1500	sub pre_load { }
		1501	sub post_load { }
1319		1502
1320	sub load {	1503	sub load {
1321	my ($self) = @_;	1504	my ($self) = @_;
1322		1505
		1506	local $self->{deny_reset} = 1; # loading can take a long time
		1507
1323	my $path = $self->{path};	1508	my $path = $self->{path};
		1509
		1510	{
1324	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1511	my $guard = cf::lock_acquire "map_load:$path";
1325		1512
1326	return if $self->in_memory != cf::MAP_SWAPPED;	1513	return if $self->in_memory != cf::MAP_SWAPPED;
1327		1514
1328	$self->in_memory (cf::MAP_LOADING);	1515	$self->in_memory (cf::MAP_LOADING);
1329		1516
1330	$self->alloc;	1517	$self->alloc;
		1518
		1519	$self->pre_load;
		1520	Coro::cede;
		1521
1331	$self->load_objects ($self->{load_path}, 1)	1522	$self->_load_objects ($self->{load_path}, 1)
1332	or return;	1523	or return;
1333		1524
1334	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1335	if delete $self->{load_original};	1526	if delete $self->{load_original};
1336		1527
1337	if (my $uniq = $path->uniq_path) {	1528	if (my $uniq = $self->uniq_path) {
1338	utf8::encode $uniq;	1529	utf8::encode $uniq;
1339	if (aio_open $uniq, O_RDONLY, 0) {	1530	if (aio_open $uniq, O_RDONLY, 0) {
1340	$self->clear_unique_items;	1531	$self->clear_unique_items;
1341	$self->load_objects ($uniq, 0);	1532	$self->_load_objects ($uniq, 0);
1342	}	1533	}
1343	}	1534	}
1344		1535
1345	Coro::cede;	1536	Coro::cede;
1346
1347	# now do the right thing for maps	1537	# now do the right thing for maps
1348	$self->link_multipart_objects;	1538	$self->link_multipart_objects;
1349
1350	if ($self->{path}->is_style_map) {
1351	$self->{deny_save} = 1;
1352	$self->{deny_reset} = 1;
1353	} else {
1354	$self->fix_auto_apply;
1355	$self->decay_objects;
1356	$self->update_buttons;
1357	$self->set_darkness_map;
1358	$self->difficulty ($self->estimate_difficulty)	1539	$self->difficulty ($self->estimate_difficulty)
1359	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;
1360	$self->activate;	1550	$self->activate;
1361	}	1551	}
1362		1552
1363	Coro::cede;
1364
1365	$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	$neigh->load;
		1589	}
1366	}	1590	}
1367		1591
1368	sub find_sync {	1592	sub find_sync {
1369	my ($path, $origin) = @_;	1593	my ($path, $origin) = @_;
1370		1594
1371	cf::sync_job { cf::map::find $path, $origin }	1595	cf::sync_job { find $path, $origin }
1372	}	1596	}
1373		1597
1374	sub do_load_sync {	1598	sub do_load_sync {
1375	my ($map) = @_;	1599	my ($map) = @_;
1376		1600
1377	cf::sync_job { $map->load };	1601	cf::sync_job { $map->load };
1378	}	1602	}
1379		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	$MAP_PREFETCHER->prio (6);
		1630
		1631	()
		1632	}
		1633
1380	sub save {	1634	sub save {
1381	my ($self) = @_;	1635	my ($self) = @_;
1382		1636
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1384		1638
1385	$self->{last_save} = $cf::RUNTIME;	1639	$self->{last_save} = $cf::RUNTIME;
1386		1640
1387	return unless $self->dirty;	1641	return unless $self->dirty;
1388		1642
1389	my $save = $self->{path}->save_path; utf8::encode $save;	1643	my $save = $self->save_path; utf8::encode $save;
1390	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1644	my $uniq = $self->uniq_path; utf8::encode $uniq;
1391		1645
1392	$self->{load_path} = $save;	1646	$self->{load_path} = $save;
1393		1647
1394	return if $self->{deny_save};	1648	return if $self->{deny_save};
1395		1649
…		…
1398	cf::async {	1652	cf::async {
1399	$_->contr->save for $self->players;	1653	$_->contr->save for $self->players;
1400	};	1654	};
1401		1655
1402	if ($uniq) {	1656	if ($uniq) {
1403	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1404	$self->save_objects ($uniq, cf::IO_UNIQUES);	1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1405	} else {	1659	} else {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1407	}	1661	}
1408	}	1662	}
1409		1663
1410	sub swap_out {	1664	sub swap_out {
1411	my ($self) = @_;	1665	my ($self) = @_;
…		…
1425		1679
1426	sub reset_at {	1680	sub reset_at {
1427	my ($self) = @_;	1681	my ($self) = @_;
1428		1682
1429	# TODO: safety, remove and allow resettable per-player maps	1683	# TODO: safety, remove and allow resettable per-player maps
1430	return 1e99 if $self->{path}{user_rel};	1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1431	return 1e99 if $self->{deny_reset};	1685	return 1e99 if $self->{deny_reset};
1432		1686
1433	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1434	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1435		1689
…		…
1440	my ($self) = @_;	1694	my ($self) = @_;
1441		1695
1442	$self->reset_at <= $cf::RUNTIME	1696	$self->reset_at <= $cf::RUNTIME
1443	}	1697	}
1444		1698
1445	sub unlink_save {
1446	my ($self) = @_;
1447
1448	utf8::encode (my $save = $self->{path}->save_path);
1449	aioreq_pri 3; IO::AIO::aio_unlink $save;
1450	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451	}
1452
1453	sub rename {
1454	my ($self, $new_path) = @_;
1455
1456	$self->unlink_save;
1457
1458	delete $cf::MAP{$self->path};
1459	$self->{path} = new cf::path $new_path;
1460	$self->path ($self->{path}->as_string);
1461	$cf::MAP{$self->path} = $self;
1462
1463	$self->save;
1464	}
1465
1466	sub reset {	1699	sub reset {
1467	my ($self) = @_;	1700	my ($self) = @_;
1468		1701
1469	my $lock = cf::lock_acquire "map_data:" . $self->path;	1702	my $lock = cf::lock_acquire "map_data:$self->{path}";
1470		1703
1471	return if $self->players;	1704	return if $self->players;
1472	return if $self->{path}{user_rel};#d#	1705	return if $self->isa ("ext::map_per_player");#d#
1473		1706
1474	warn "resetting map ", $self->path;#d#	1707	warn "resetting map ", $self->path;#d#
1475		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
1476	delete $cf::MAP{$self->path};	1719	delete $cf::MAP{$self->path};
		1720
		1721	$self->clear;
1477		1722
1478	$_->clear_links_to ($self) for values %cf::MAP;	1723	$_->clear_links_to ($self) for values %cf::MAP;
1479		1724
1480	$self->unlink_save;	1725	$self->unlink_save;
1481	$self->destroy;	1726	$self->destroy;
…		…
1484	my $nuke_counter = "aaaa";	1729	my $nuke_counter = "aaaa";
1485		1730
1486	sub nuke {	1731	sub nuke {
1487	my ($self) = @_;	1732	my ($self) = @_;
1488		1733
		1734	delete $cf::MAP{$self->path};
		1735
		1736	$self->unlink_save;
		1737
		1738	bless $self, "cf::map";
		1739	delete $self->{deny_reset};
1489	$self->{deny_save} = 1;	1740	$self->{deny_save} = 1;
1490	$self->reset_timeout (1);	1741	$self->reset_timeout (1);
1491	$self->rename ("{nuke}/" . ($nuke_counter++));	1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1743
		1744	$cf::MAP{$self->path} = $self;
		1745
1492	$self->reset; # polite request, might not happen	1746	$self->reset; # polite request, might not happen
1493	}	1747	}
1494		1748
1495	sub customise_for {	1749	=item cf::map::unique_maps
1496	my ($map, $ob) = @_;
1497		1750
1498	if ($map->per_player) {	1751	Returns an arrayref of paths of all shared maps that have
1499	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1752	instantiated unique items. May block.
1500	}
1501		1753
1502	$map	1754	=cut
1503	}
1504		1755
1505	sub emergency_save {	1756	sub unique_maps() {
1506	my $freeze_guard = cf::freeze_mainloop;	1757	my $files = aio_readdir $UNIQUEDIR
		1758	or return;
1507		1759
1508	warn "enter emergency perl save\n";	1760	my @paths;
1509		1761
1510	cf::sync_job {	1762	for (@$files) {
1511	warn "begin emergency player save\n";	1763	utf8::decode $_;
1512	$_->save for values %cf::PLAYER;	1764	next if /\.pst$/;
1513	warn "end emergency player save\n";	1765	next unless /^$PATH_SEP/o;
1514		1766
1515	warn "begin emergency map save\n";	1767	push @paths, cf::map::normalise $_;
1516	$_->save for values %cf::MAP;
1517	warn "end emergency map save\n";
1518	};	1768	}
1519		1769
1520	warn "leave emergency perl save\n";	1770	\@paths
1521	}	1771	}
1522		1772
1523	package cf;	1773	package cf;
1524		1774
1525	=back	1775	=back
1526		1776
		1777	=head3 cf::object
		1778
		1779	=cut
		1780
		1781	package cf::object;
		1782
		1783	=over 4
		1784
		1785	=item $ob->inv_recursive
		1786
		1787	Returns the inventory of the object _and_ their inventories, recursively.
		1788
		1789	=cut
		1790
		1791	sub inv_recursive_;
		1792	sub inv_recursive_ {
		1793	map { $_, inv_recursive_ $_->inv } @_
		1794	}
		1795
		1796	sub inv_recursive {
		1797	inv_recursive_ inv $_[0]
		1798	}
		1799
		1800	package cf;
		1801
		1802	=back
1527		1803
1528	=head3 cf::object::player	1804	=head3 cf::object::player
1529		1805
1530	=over 4	1806	=over 4
1531		1807
…		…
1571		1847
1572	=item $player_object->enter_link	1848	=item $player_object->enter_link
1573		1849
1574	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}>).
1575		1851
1576	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
1577	I<MUST> call C<leave_link> as soon as possible, though.	1853	I<MUST> call C<leave_link> as soon as possible, though.
1578		1854
		1855	Will never block.
		1856
1579	=item $player_object->leave_link ($map, $x, $y)	1857	=item $player_object->leave_link ($map, $x, $y)
1580		1858
1581	Moves the player out of the specila link map onto the given map. If the	1859	Moves the player out of the special C<{link}> map onto the specified
1582	map is not valid (or omitted), the player will be moved back to the	1860	map. If the map is not valid (or omitted), the player will be moved back
1583	location he/she was before the call to C<enter_link>, or, if that fails,	1861	to the location he/she was before the call to C<enter_link>, or, if that
1584	to the emergency map position.	1862	fails, to the emergency map position.
1585		1863
1586	Might block.	1864	Might block.
1587		1865
1588	=cut	1866	=cut
		1867
		1868	sub link_map {
		1869	unless ($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	$LINK_MAP
		1876	}
1589		1877
1590	sub cf::object::player::enter_link {	1878	sub cf::object::player::enter_link {
1591	my ($self) = @_;	1879	my ($self) = @_;
1592		1880
1593	$self->deactivate_recursive;	1881	$self->deactivate_recursive;
1594		1882
1595	return if $self->map == $LINK_MAP;	1883	return if UNIVERSAL::isa $self->map, "ext::map_link";
1596		1884
1597	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1598	if $self->map;	1886	if $self->map;
1599		1887
1600	$self->enter_map ($LINK_MAP, 20, 20);	1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1601	}	1889	}
1602		1890
1603	sub cf::object::player::leave_link {	1891	sub cf::object::player::leave_link {
1604	my ($self, $map, $x, $y) = @_;	1892	my ($self, $map, $x, $y) = @_;
1605		1893
…		…
1623	# use -1 or undef as default coordinates, not 0, 0	1911	# use -1 or undef as default coordinates, not 0, 0
1624	($x, $y) = ($map->enter_x, $map->enter_y)	1912	($x, $y) = ($map->enter_x, $map->enter_y)
1625	if $x <=0 && $y <= 0;	1913	if $x <=0 && $y <= 0;
1626		1914
1627	$map->load;	1915	$map->load;
		1916	$map->load_diag;
1628		1917
1629	return unless $self->contr->active;	1918	return unless $self->contr->active;
1630	$self->activate_recursive;	1919	$self->activate_recursive;
		1920
		1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1631	$self->enter_map ($map, $x, $y);	1922	$self->enter_map ($map, $x, $y);
1632	}	1923	}
1633		1924
1634	cf::player->attach (	1925	cf::player->attach (
1635	on_logout => sub {	1926	on_logout => sub {
…		…
1648	# try to abort aborted map switching on player login :)	1939	# try to abort aborted map switching on player login :)
1649	# should happen only on crashes	1940	# should happen only on crashes
1650	if ($pl->ob->{_link_pos}) {	1941	if ($pl->ob->{_link_pos}) {
1651	$pl->ob->enter_link;	1942	$pl->ob->enter_link;
1652	(async {	1943	(async {
1653	# we need this sleep as the login has a concurrent enter_exit running
1654	# and this sleep increases chances of the player not ending up in scorn
1655	$pl->ob->reply (undef,	1944	$pl->ob->reply (undef,
1656	"There was an internal problem at your last logout, "	1945	"There was an internal problem at your last logout, "
1657	. "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.",
1658	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
1659	Coro::Timer::sleep 1;	1950	Coro::Timer::sleep 1;
1660	$pl->ob->leave_link;	1951	$pl->ob->leave_link;
1661	})->prio (2);	1952	})->prio (2);
1662	}	1953	}
1663	},	1954	},
…		…
1671	my ($self, $path, $x, $y) = @_;	1962	my ($self, $path, $x, $y) = @_;
1672		1963
1673	$self->enter_link;	1964	$self->enter_link;
1674		1965
1675	(async {	1966	(async {
1676	$path = new cf::path $path;	1967	my $map = eval {
1677
1678	my $map = cf::map::find $path->as_string;	1968	my $map = cf::map::find $path;
1679	$map = $map->customise_for ($self) if $map;	1969	$map = $map->customise_for ($self) if $map;
1680		1970	$map
1681	# warn "entering ", $map->path, " at ($x, $y)\n"	1971	} or
1682	# if $map;
1683
1684	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685		1973
1686	$self->leave_link ($map, $x, $y);	1974	$self->leave_link ($map, $x, $y);
1687	})->prio (1);	1975	})->prio (1);
1688	}	1976	}
1689		1977
…		…
1693		1981
1694	sub parse_random_map_params {	1982	sub parse_random_map_params {
1695	my ($spec) = @_;	1983	my ($spec) = @_;
1696		1984
1697	my $rmp = { # defaults	1985	my $rmp = { # defaults
1698	xsize => 10,	1986	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	1987	ysize => (cf::rndm 15, 40),
		1988	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1989	#layout => string,
1700	};	1990	};
1701		1991
1702	for (split /\n/, $spec) {	1992	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	1993	my ($k, $v) = split /\s+/, $_, 2;
1704		1994
…		…
1708	$rmp	1998	$rmp
1709	}	1999	}
1710		2000
1711	sub prepare_random_map {	2001	sub prepare_random_map {
1712	my ($exit) = @_;	2002	my ($exit) = @_;
		2003
		2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
1713		2005
1714	# all this does is basically replace the /! path by	2006	# all this does is basically replace the /! path by
1715	# a new random map path (?random/...) with a seed	2007	# a new random map path (?random/...) with a seed
1716	# that depends on the exit object	2008	# that depends on the exit object
1717		2009
1718	my $rmp = parse_random_map_params $exit->msg;	2010	my $rmp = parse_random_map_params $exit->msg;
1719		2011
1720	if ($exit->map) {	2012	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2013	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2014	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2015	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2016	$rmp->{origin_y} = $exit->y;
1725	}	2017	}
1726		2018
1727	$rmp->{random_seed} ||= $exit->random_seed;	2019	$rmp->{random_seed} ||= $exit->random_seed;
1728		2020
1729	my $data = cf::to_json $rmp;	2021	my $data = cf::to_json $rmp;
1730	my $md5 = Digest::MD5::md5_hex $data;	2022	my $md5 = Digest::MD5::md5_hex $data;
		2023	my $meta = "$RANDOMDIR/$md5.meta";
1731		2024
1732	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) {
1733	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;
1734		2029
1735	$exit->slaying ("?random/$md5");	2030	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2031	$exit->msg (undef);
1737	}	2032	}
1738	}	2033	}
1739		2034
1740	sub cf::object::player::enter_exit {	2035	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2036	my ($self, $exit) = @_;
1742		2037
1743	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;
1744		2050
1745	$self->enter_link;	2051	$self->enter_link;
1746		2052
1747	(async {	2053	(async {
1748	$self->deactivate_recursive; # just to be sure	2054	$self->deactivate_recursive; # just to be sure
1749	unless (eval {	2055	unless (eval {
1750	prepare_random_map $exit	2056	$self->goto ($slaying, $hp, $sp);
1751	if $exit->slaying eq "/!";
1752
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1755		2057
1756	1;	2058	1;
1757	}) {	2059	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2060	$self->message ("Something went wrong deep within the crossfire server. "
1759	. "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. "
1760	. "Please report this to the dungeon master",	2062	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2063	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2064
1763	warn "ERROR in enter_exit: $@";	2065	warn "ERROR in enter_exit: $@";
1764	$self->leave_link;	2066	$self->leave_link;
1765	}	2067	}
1766	})->prio (1);	2068	})->prio (1);
…		…
1779		2081
1780	sub cf::client::send_drawinfo {	2082	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2083	my ($self, $text, $flags) = @_;
1782		2084
1783	utf8::encode $text;	2085	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2087	}
1786		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	}
1787		2101
1788	=item $success = $client->query ($flags, "text", \&cb)	2102	=item $success = $client->query ($flags, "text", \&cb)
1789		2103
1790	Queues a query to the client, calling the given callback with	2104	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1820	# get handled first	2134	# get handled first
1821	my $queue = delete $ns->{query_queue}	2135	my $queue = delete $ns->{query_queue}
1822	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
1823		2137
1824	(shift @$queue)->[1]->($msg);	2138	(shift @$queue)->[1]->($msg);
		2139	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		2140
1826	push @{ $ns->{query_queue} }, @$queue;	2141	push @{ $ns->{query_queue} }, @$queue;
1827		2142
1828	if (@{ $ns->{query_queue} } == @$queue) {	2143	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	2144	if (@$queue) {
…		…
1887		2202
1888	# here we export the classes and methods available to script code	2203	# here we export the classes and methods available to script code
1889		2204
1890	=pod	2205	=pod
1891		2206
1892	The following fucntions and emthods are available within a safe environment:	2207	The following functions and methods are available within a safe environment:
1893		2208
1894	cf::object contr pay_amount pay_player map	2209	cf::object contr pay_amount pay_player map
1895	cf::object::player player	2210	cf::object::player player
1896	cf::player peaceful	2211	cf::player peaceful
1897	cf::map trigger	2212	cf::map trigger
…		…
1982	#############################################################################	2297	#############################################################################
1983		2298
1984	=head2 EXTENSION DATABASE SUPPORT	2299	=head2 EXTENSION DATABASE SUPPORT
1985		2300
1986	Crossfire maintains a very simple database for extension use. It can	2301	Crossfire maintains a very simple database for extension use. It can
1987	currently store anything that can be serialised using Storable, which	2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1988	excludes objects.	2303	convert to/from binary).
1989		2304
1990	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
1991	using it, it should be unique.	2306	using it, it should be unique.
1992		2307
1993	=over 4	2308	=over 4
1994		2309
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key	2310	=item $value = cf::db_get $family => $key
2002		2311
2003	Returns a single value from the database	2312	Returns a single value from the database.
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009		2313
2010	=item cf::db_put $family => $key => $value	2314	=item cf::db_put $family => $key => $value
2011		2315
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you	2316	Stores the given C<$value> in the family.
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022		2317
2023	=cut	2318	=cut
2024		2319
2025	our $DB;	2320	our $DB;
2026		2321
2027	{	2322	sub db_init {
2028	my $path = cf::localdir . "/database.pst";	2323	unless ($DB) {
		2324	$DB = BDB::db_create $DB_ENV;
2029		2325
2030	sub db_load() {	2326	cf::sync_job {
2031	$DB = stat $path ? Storable::retrieve $path : { };	2327	eval {
2032	}	2328	$DB->set_flags (BDB::CHKSUM);
2033		2329
2034	my $pid;	2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2035		2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2036	sub db_save() {	2332	cf::cleanup "db_open(db): $!" if $!;
2037	waitpid $pid, 0 if $pid;	2333	};
2038	if (0 == ($pid = fork)) {	2334	cf::cleanup "db_open(db): $@" if $@;
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}	2335	};
2044	}
2045
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	2336	}
		2337	}
2056		2338
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}
2061
2062	sub db_get($;$) {	2339	sub db_get($$) {
2063	@_ >= 2	2340	my $key = "$_[0]/$_[1]";
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		2341
		2342	cf::sync_job {
		2343	BDB::db_get $DB, undef, $key, my $data;
		2344
		2345	$! ? ()
		2346	: $data
		2347	}
		2348	}
		2349
2068	sub db_put($$;$) {	2350	sub db_put($$$) {
2069	if (@_ >= 3) {	2351	BDB::dbreq_pri 4;
2070	$DB->{$_[0]}{$_[1]} = $_[2];	2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2071	} else {	2353	}
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		2354
2077	cf::global->attach (	2355	=item cf::cache $id => [$paths...], $processversion => $process
2078	prio => 10000,	2356
2079	on_cleanup => sub {	2357	Generic caching function that returns the value of the resource $id,
2080	db_sync;	2358	caching and regenerating as required.
		2359
		2360	This function can block.
		2361
		2362	=cut
		2363
		2364	sub cache {
		2365	my ($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 "$src->[$_]: $!";
2081	},	2387	}
2082	);	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"
2083	}	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
2084		2470
2085	#############################################################################	2471	#############################################################################
2086	# 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	}
2087		2560
2088	sub cfg_load {	2561	sub cfg_load {
2089	open my $fh, "<:utf8", cf::confdir . "/config"	2562	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	2563	or return;
2091		2564
2092	local $/;	2565	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	2566	*CFG = YAML::Syck::Load <$fh>;
2094		2567
…		…
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		2572
2100	if (exists $CFG{mlockall}) {	2573	if (exists $CFG{mlockall}) {
2101	eval {	2574	eval {
2102	$CFG{mlockall} ? &mlockall : &munlockall	2575	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	2576	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	2577	};
2105	warn $@ if $@;	2578	warn $@ if $@;
2106	}	2579	}
2107	}	2580	}
2108		2581
2109	sub main {	2582	sub main {
2110	# we must not ever block the main coroutine	2583	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	2584	local $Coro::idle = sub {
2112	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 {
2113	async { Event::one_event };	2587	Event::one_event;
		2588	})->prio (Coro::PRIO_MAX);
2114	};	2589	};
2115		2590
2116	cfg_load;	2591	cfg_load;
2117	db_load;	2592	db_init;
2118	load_extensions;	2593	load_extensions;
		2594
		2595	$TICK_WATCHER->start;
2119	Event::loop;	2596	Event::loop;
2120	}	2597	}
2121		2598
2122	#############################################################################	2599	#############################################################################
2123	# initialisation	2600	# initialisation and cleanup
2124		2601
		2602	# install some emergency cleanup handlers
		2603	BEGIN {
		2604	for my $signal (qw(INT HUP TERM)) {
		2605	Event->signal (
		2606	reentrant => 0,
		2607	data => WF_AUTOCANCEL,
		2608	signal => $signal,
		2609	prio => 0,
		2610	cb => sub {
		2611	cf::cleanup "SIG$signal";
		2612	},
		2613	);
		2614	}
		2615	}
		2616
		2617	sub emergency_save() {
		2618	my $freeze_guard = cf::freeze_mainloop;
		2619
		2620	warn "enter emergency perl save\n";
		2621
		2622	cf::sync_job {
		2623	# use a peculiar iteration method to avoid tripping on perl
		2624	# refcount bugs in for. also avoids problems with players
		2625	# and maps saved/destroyed asynchronously.
		2626	warn "begin emergency player save\n";
		2627	for my $login (keys %cf::PLAYER) {
		2628	my $pl = $cf::PLAYER{$login} or next;
		2629	$pl->valid or next;
		2630	$pl->save;
		2631	}
		2632	warn "end emergency player save\n";
		2633
		2634	warn "begin emergency map save\n";
		2635	for my $path (keys %cf::MAP) {
		2636	my $map = $cf::MAP{$path} or next;
		2637	$map->valid or next;
		2638	$map->save;
		2639	}
		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";
		2645	};
		2646
		2647	warn "leave emergency perl save\n";
		2648	}
		2649
		2650	sub post_cleanup {
		2651	my ($make_core) = @_;
		2652
		2653	warn Carp::longmess "post_cleanup backtrace"
		2654	if $make_core;
		2655	}
		2656
2125	sub reload() {	2657	sub do_reload_perl() {
2126	# can/must only be called in main	2658	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	2659	if ($Coro::current != $Coro::main) {
2128	warn "can only reload from main coroutine\n";	2660	warn "can only reload from main coroutine";
2129	return;	2661	return;
2130	}	2662	}
2131		2663
2132	warn "reloading...";	2664	warn "reloading...";
2133		2665
2134	my $guard = freeze_mainloop;	2666	warn "entering sync_job";
		2667
		2668	cf::sync_job {
		2669	cf::write_runtime; # external watchdog should not bark
2135	cf::emergency_save;	2670	cf::emergency_save;
		2671	cf::write_runtime; # external watchdog should not bark
2136		2672
2137	eval {	2673	warn "syncing database to disk";
		2674	BDB::db_env_txn_checkpoint $DB_ENV;
		2675
2138	# 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
2139		2677
2140	# cancel all watchers	2678	warn "cancelling all WF_AUTOCANCEL watchers";
2141	for (Event::all_watchers) {	2679	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;	2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}	2681	}
2144		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
2145	# cancel all extension coros	2694	warn "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	2695	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	2696	%EXT_CORO = ();
2148		2697
2149	# unload all extensions	2698	warn "removing commands";
2150	for (@exts) {	2699	%COMMAND = ();
		2700
		2701	warn "removing ext commands";
		2702	%EXTCMD = ();
		2703
		2704	warn "unloading/nuking all extensions";
		2705	for my $pkg (@EXTS) {
2151	warn "unloading <$_>";	2706	warn "... unloading $pkg";
2152	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: $@";
2153	}	2713	}
2154		2714
		2715	warn "... nuking $pkg";
		2716	Symbol::delete_package $pkg;
		2717	}
		2718
2155	# unload all modules loaded from $LIBDIR	2719	warn "unloading all perl modules loaded from $LIBDIR";
2156	while (my ($k, $v) = each %INC) {	2720	while (my ($k, $v) = each %INC) {
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158		2722
2159	warn "removing <$k>";	2723	warn "... unloading $k";
2160	delete $INC{$k};	2724	delete $INC{$k};
2161		2725
2162	$k =~ s/\.pm$//;	2726	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;	2727	$k =~ s/\//::/g;
2164		2728
…		…
2167	}	2731	}
2168		2732
2169	Symbol::delete_package $k;	2733	Symbol::delete_package $k;
2170	}	2734	}
2171		2735
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	2736	warn "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	2737	Symbol::delete_package "safe::$_"
2178	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);
2179		2739
2180	# remove register_script_function callbacks
2181	# TODO
2182
2183	# unload cf.pm "a bit"	2740	warn "unloading cf.pm \"a bit\"";
2184	delete $INC{"cf.pm"};	2741	delete $INC{"cf.pm"};
		2742	delete $INC{"cf/pod.pm"};
2185		2743
2186	# don't, removes xs symbols, too,	2744	# don't, removes xs symbols, too,
2187	# and global variables created in xs	2745	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	2746	#Symbol::delete_package __PACKAGE__;
2189		2747
2190	# reload cf.pm	2748	warn "unload completed, starting to reload now";
		2749
2191	warn "reloading cf.pm";	2750	warn "reloading cf.pm";
2192	require cf;	2751	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194		2753
2195	# load config and database again	2754	warn "loading config and database again";
2196	cf::cfg_load;	2755	cf::cfg_load;
2197	cf::db_load;
2198		2756
2199	# load extensions
2200	warn "load extensions";	2757	warn "loading extensions";
2201	cf::load_extensions;	2758	cf::load_extensions;
2202		2759
2203	# reattach attachments to objects	2760	warn "reattaching attachments to objects/players";
2204	warn "reattach";	2761	_global_reattach; # objects, sockets
2205	_global_reattach;	2762	warn "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	2763	reattach $_ for values %MAP;
2207	};	2764	warn "reattaching attachments to players";
		2765	reattach $_ for values %PLAYER;
2208		2766
2209	if ($@) {	2767	warn "leaving sync_job";
		2768
		2769	1
		2770	} or do {
2210	warn $@;	2771	warn $@;
2211	warn "error while reloading, exiting.";	2772	warn "error while reloading, exiting.";
2212	exit 1;	2773	exit 1;
2213	}	2774	};
2214		2775
2215	warn "reloaded successfully";	2776	warn "reloaded";
2216	};	2777	};
2217		2778
2218	#############################################################################	2779	our $RELOAD_WATCHER; # used only during reload
2219		2780
2220	unless ($LINK_MAP) {	2781	sub reload_perl() {
2221	$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.
2222		2784
2223	$LINK_MAP->width (41);	2785	$RELOAD_WATCHER ||= Event->timer (
2224	$LINK_MAP->height (41);	2786	reentrant => 0,
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,	2787	after => 0,
		2788	data => WF_AUTOCANCEL,
2233	cb => sub {	2789	cb => sub {
2234	$_[0]->w->cancel;	2790	do_reload_perl;
2235		2791	undef $RELOAD_WATCHER;
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});	2792	},
2254		2793	);
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	2794	}
2260
2261	register "<global>", __PACKAGE__;
2262		2795
2263	register_command "reload" => sub {	2796	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	2797	my ($who, $arg) = @_;
2265		2798
2266	if ($who->flag (FLAG_WIZ)) {	2799	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	2800	$who->message ("reloading server.");
		2801	async { reload_perl };
2270	}	2802	}
2271	};	2803	};
2272		2804
2273	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	}
2274		2829
2275	$TICK_WATCHER = Event->timer (	2830	$TICK_WATCHER = Event->timer (
2276	reentrant => 0,	2831	reentrant => 0,
		2832	parked => 1,
2277	prio => 0,	2833	prio => 0,
2278	at => $NEXT_TICK || $TICK,	2834	at => $NEXT_TICK || $TICK,
2279	data => WF_AUTOCANCEL,	2835	data => WF_AUTOCANCEL,
2280	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
2281	cf::server_tick; # one server iteration	2845	cf::server_tick; # one server iteration
		2846
2282	$RUNTIME += $TICK;	2847	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;	2848	$NEXT_TICK += $TICK;
2284		2849
		2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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#
		2860
2285	# 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
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		2863
2288	$TICK_WATCHER->at ($NEXT_TICK);	2864	$TICK_WATCHER->at ($NEXT_TICK);
2289	$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;
2290	},	2875	},
2291	);	2876	);
2292		2877
		2878	{
2293	IO::AIO::max_poll_time $TICK * 0.2;	2879	BDB::max_poll_time $TICK * 0.1;
2294		2880	$BDB_POLL_WATCHER = Event->io (
2295	Event->io (	2881	reentrant => 0,
2296	fd => IO::AIO::poll_fileno,	2882	fd => BDB::poll_fileno,
2297	poll => 'r',	2883	poll => 'r',
2298	prio => 5,	2884	prio => 0,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,	2885	data => WF_AUTOCANCEL,
2305	after => 0,	2886	cb => \&BDB::poll_cb,
2306	interval => 10,	2887	);
2307	cb => sub {	2888	BDB::min_parallel 8;
2308	(Coro::unblock_sub {	2889
2309	write_runtime	2890	BDB::set_sync_prepare {
2310	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 $@;
2311	})->();	2924	};
2312	},	2925	}
2313	);	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;
2314		2983
2315	END { cf::emergency_save }	2984	END { cf::emergency_save }
2316		2985
2317	1	2986	1
2318		2987

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