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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 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 ();
		26	use Data::Dumper;
20	use Digest::MD5;	27	use Digest::MD5;
21	use Fcntl;	28	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	29	use YAML::Syck ();
		30	use IO::AIO 2.32 ();
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
		88	our %PLAYER; # all users
52	our %MAP; # all maps	89	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	90	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	91
55	our %EXT_CORO;	92	# used to convert map paths into valid unix filenames by replacing / by ∕
		93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		94
57	binmode STDOUT;	95	binmode STDOUT;
58	binmode STDERR;	96	binmode STDERR;
59		97
60	# read virtual server time, if available	98	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	100	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	101	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	102	$RUNTIME = <$fh> + 0.;
65	}	103	}
66		104
67	mkdir cf::localdir;	105	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		107
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	108	our $EMERGENCY_POSITION;
		109
		110	sub cf::map::normalise;
76		111
77	#############################################################################	112	#############################################################################
78		113
79	=head2 GLOBAL VARIABLES	114	=head2 GLOBAL VARIABLES
80		115
…		…
87	=item $cf::RUNTIME	122	=item $cf::RUNTIME
88		123
89	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
90	every server tick.	125	every server tick.
91		126
92	=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
93		130
94	The perl library directory, where extensions and cf-specific modules can	131	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		135
97	=item $cf::NOW	136	=item $cf::NOW
98		137
99	The time of the last (current) server tick.	138	The time of the last (current) server tick.
100		139
…		…
104		143
105	=item %cf::CFG	144	=item %cf::CFG
106		145
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	146	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		154
110	=back	155	=back
111		156
112	=cut	157	=cut
113		158
114	BEGIN {	159	BEGIN {
115	*CORE::GLOBAL::warn = sub {	160	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	161	my $msg = join "", @_;
117	utf8::encode $msg;
118		162
119	$msg .= "\n"	163	$msg .= "\n"
120	unless $msg =~ /\n$/;	164	unless $msg =~ /\n$/;
121		165
		166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		167
		168	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	169	LOG llevError, $msg;
123	};	170	};
124	}	171	}
125		172
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		192
146	$Event::DIED = sub {	193	$Event::DIED = sub {
147	warn "error in event callback: @_";	194	warn "error in event callback: @_";
148	};	195	};
149		196
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	197	=head2 UTILITY FUNCTIONS
155		198
156	=over 4	199	=over 4
157		200
158	=cut	201	=item dumpval $ref
159		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
160	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
161		225
162	=item $ref = cf::from_json $json	226	=item $ref = cf::from_json $json
163		227
164	Converts a JSON string into the corresponding perl data structure.	228	Converts a JSON string into the corresponding perl data structure.
165		229
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	230	=item $json = cf::to_json $ref
174		231
175	Converts a perl data structure into its JSON representation.	232	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		233
184	=item cf::lock_wait $string	234	=item cf::lock_wait $string
185		235
186	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
187		237
…		…
193	returned.	243	returned.
194		244
195	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
196	uses map_find and cf::map::load uses map_load).	246	uses map_find and cf::map::load uses map_load).
197		247
		248	=item $locked = cf::lock_active $string
		249
		250	Return true if the lock is currently active, i.e. somebody has locked it.
		251
198	=cut	252	=cut
199		253
200	our %LOCK;	254	our %LOCK;
201		255
202	sub lock_wait($) {	256	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	275	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	276	$_->ready for @{ delete $LOCK{$key} };
223	}	277	}
224	}	278	}
225		279
		280	sub lock_active($) {
		281	my ($key) = @_;
		282
		283	! ! $LOCK{$key}
		284	}
		285
226	sub freeze_mainloop {	286	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	287	return unless $TICK_WATCHER->is_active;
228		288
229	my $guard = Coro::guard { $TICK_WATCHER->start };	289	my $guard = Coro::guard {
		290	$TICK_WATCHER->start;
		291	};
230	$TICK_WATCHER->stop;	292	$TICK_WATCHER->stop;
231	$guard	293	$guard
232	}	294	}
233		295
234	=item cf::async { BLOCK }	296	=item cf::async { BLOCK }
…		…
273	warn $@ if $@;	335	warn $@ if $@;
274	undef $busy;	336	undef $busy;
275	})->prio (Coro::PRIO_MAX);	337	})->prio (Coro::PRIO_MAX);
276		338
277	while ($busy) {	339	while ($busy) {
278	unless (Coro::cede) {	340	Coro::cede or Event::one_event;
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;
281	}
282	}	341	}
283		342
284	wantarray ? @res : $res[0]	343	wantarray ? @res : $res[0]
285	} else {	344	} else {
286	# we are in another coroutine, how wonderful, everything just works	345	# we are in another coroutine, how wonderful, everything just works
…		…
289	}	348	}
290	}	349	}
291		350
292	=item $coro = cf::async_ext { BLOCK }	351	=item $coro = cf::async_ext { BLOCK }
293		352
294	Like async, but this coro is automcatially being canceled when the	353	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	354	extension calling this is being unloaded.
296		355
297	=cut	356	=cut
298		357
299	sub async_ext(&) {	358	sub async_ext(&) {
…		…
308		367
309	$coro	368	$coro
310	}	369	}
311		370
312	sub write_runtime {	371	sub write_runtime {
313	my $runtime = cf::localdir . "/runtime";	372	my $guard = cf::lock_acquire "write_runtime";
314		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
316	or return;	378	or return;
317		379
		380	my $value = $cf::RUNTIME + 90 + 10;
318	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
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;	385	and return;
321		386
		387	# always fsync - this file is important
322	aio_fsync $fh	388	aio_fsync $fh
323	and return;	389	and return;
324		390
325	close $fh	391	close $fh
326	or return;	392	or return;
327		393
328	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
329	and return;	395	and return;
330		396
		397	warn "... done writing runtime.\n";#d#
		398
331	1	399	1
332	}	400	}
333		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
334	=back	413	=back
335		414
336	=cut	415	=cut
337
338	#############################################################################
339
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457		416
458	#############################################################################	417	#############################################################################
459		418
460	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
461		420
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	547	our @CB_MAP = ();
589		548
590	my %attachment;	549	my %attachment;
591		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
592	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
594		559
595	use sort 'stable';	560	use sort 'stable';
596		561
…		…
767	# object support	732	# object support
768		733
769	sub reattach {	734	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		739
773	my $registry = $obj->registry;	740	my $registry = $obj->registry;
774		741
775	@$registry = ();	742	@$registry = ();
776		743
…		…
823	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
824		791
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	796	close $fh;
830		797
831	if (@$objs) {	798	if (@$objs) {
832	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) {
833	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	804	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
839	}	806	}
840	} else {	807	} else {
841	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
908	=cut	875	=cut
909		876
910	sub register_extcmd {	877	sub register_extcmd {
911	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
912		879
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
917	}	881	}
918		882
919	cf::player->attach (	883	cf::player->attach (
920	on_command => sub {	884	on_command => sub {
921	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
934		898
935	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
936		900
937	if (ref $msg) {	901	if (ref $msg) {
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
940	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
941	}	905	}
942	}	906	}
943	} else {	907	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
946		910
947	cf::override;	911	cf::override;
948	},	912	},
949	);	913	);
950		914
951	sub register {
952	my ($base, $pkg) = @_;
953
954	#TODO
955	}
956
957	sub load_extension {	915	sub load_extension {
958	my ($path) = @_;	916	my ($path) = @_;
959		917
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
961	my $base = $1;	919	my $base = $1;
962	my $pkg = $1;	920	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
965		923
966	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
967		925
968	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
969	or die "$path: $!";	927	or die "$path: $!";
970		928
971	my $source =	929	my $source =
972	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
975	. "\n};\n1";	933	. "\n};\n1";
976		934
977	eval $source	935	unless (eval $source) {
978	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
979	: "extension disabled.\n";	937	: "extension disabled.\n";
980		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981	push @exts, $pkg;	939	warn $@;
982	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
983		941	exit 1;
984	# no strict 'refs';	942	}
985	# @{"$pkg\::ISA"} = ext::;	943	die $@;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	944	}
1000		945
1001	# remove commands	946	push @EXTS, $pkg;
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}	947	}
1026		948
1027	sub load_extensions {	949	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;	951	next unless -r $ext;
…		…
1033	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1034	}	956	}
1035	}	957	}
1036		958
1037	#############################################################################	959	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074		960
1075	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1076		962
1077	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1078		964
		965	=cut
		966
		967	package cf::player;
		968
		969	use Coro::AIO;
		970
1079	=head3 cf::player	971	=head3 cf::player
1080		972
1081	=over 4	973	=over 4
1082		974
1083	=item cf::player::exists $login	975	=item cf::player::find $login
1084		976
1085	Returns true when the given account exists.	977	Returns the given player object, loading it if necessary (might block).
1086		978
1087	=cut	979	=cut
1088		980
1089	sub cf::player::exists($) {	981	sub playerdir($) {
1090	cf::player::find $_[0]	982	"$PLAYERDIR/"
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	984	}
1093		985
		986	sub path($) {
		987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		988
		989	(playerdir $login) . "/playerdata"
		990	}
		991
		992	sub find_active($) {
		993	$cf::PLAYER{$_[0]}
		994	and $cf::PLAYER{$_[0]}->active
		995	and $cf::PLAYER{$_[0]}
		996	}
		997
		998	sub exists($) {
		999	my ($login) = @_;
		1000
		1001	$cf::PLAYER{$login}
		1002	or cf::sync_job { !aio_stat path $login }
		1003	}
		1004
		1005	sub find($) {
		1006	return $cf::PLAYER{$_[0]} || do {
		1007	my $login = $_[0];
		1008
		1009	my $guard = cf::lock_acquire "user_find:$login";
		1010
		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
		1019	my $pl = load_pl path $login
		1020	or return;
		1021	$cf::PLAYER{$login} = $pl
		1022	}
		1023	}
		1024	}
		1025
		1026	sub save($) {
		1027	my ($pl) = @_;
		1028
		1029	return if $pl->{deny_save};
		1030
		1031	my $path = path $pl;
		1032	my $guard = cf::lock_acquire "user_save:$path";
		1033
		1034	return if $pl->{deny_save};
		1035
		1036	aio_mkdir playerdir $pl, 0770;
		1037	$pl->{last_save} = $cf::RUNTIME;
		1038
		1039	$pl->save_pl ($path);
		1040	Coro::cede;
		1041	}
		1042
		1043	sub new($) {
		1044	my ($login) = @_;
		1045
		1046	my $self = create;
		1047
		1048	$self->ob->name ($login);
		1049	$self->{deny_save} = 1;
		1050
		1051	$cf::PLAYER{$login} = $self;
		1052
		1053	$self
		1054	}
		1055
		1056	=item $pl->quit_character
		1057
		1058	Nukes the player without looking back. If logged in, the connection will
		1059	be destroyed. May block for a long time.
		1060
		1061	=cut
		1062
		1063	sub quit_character {
		1064	my ($pl) = @_;
		1065
		1066	my $name = $pl->ob->name;
		1067
		1068	$pl->{deny_save} = 1;
		1069	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1072	$pl->deactivate;
		1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1074	$pl->ns->destroy if $pl->ns;
		1075
		1076	my $path = playerdir $pl;
		1077	my $temp = "$path~$cf::RUNTIME~deleting~";
		1078	aio_rename $path, $temp;
		1079	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1102	}
		1103
		1104	=item cf::player::list_logins
		1105
		1106	Returns am arrayref of all valid playernames in the system, can take a
		1107	while and may block, so not sync_job-capable, ever.
		1108
		1109	=cut
		1110
		1111	sub list_logins {
		1112	my $dirs = aio_readdir $PLAYERDIR
		1113	or return [];
		1114
		1115	my @logins;
		1116
		1117	for my $login (@$dirs) {
		1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1119	aio_read $fh, 0, 512, my $buf, 0 or next;
		1120	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1121
		1122	utf8::decode $login;
		1123	push @logins, $login;
		1124	}
		1125
		1126	\@logins
		1127	}
		1128
		1129	=item $player->maps
		1130
		1131	Returns an arrayref of map paths that are private for this
		1132	player. May block.
		1133
		1134	=cut
		1135
		1136	sub maps($) {
		1137	my ($pl) = @_;
		1138
		1139	$pl = ref $pl ? $pl->ob->name : $pl;
		1140
		1141	my $files = aio_readdir playerdir $pl
		1142	or return;
		1143
		1144	my @paths;
		1145
		1146	for (@$files) {
		1147	utf8::decode $_;
		1148	next if /\.(?:pl|pst)$/;
		1149	next unless /^$PATH_SEP/o;
		1150
		1151	push @paths, cf::map::normalise "~$pl/$_";
		1152	}
		1153
		1154	\@paths
		1155	}
		1156
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1095		1158
1096	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1097		1160
1098	=cut	1161	=cut
1099		1162
1100	sub cf::player::ext_reply($$$%) {	1163	sub ext_reply($$%) {
1101	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1102		1165
1103	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1104		1167
1105	$self->send ("ext " . to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
		1169	}
		1170
		1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		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
1106	}	1210	}
1107		1211
1108	=back	1212	=back
1109
1110		1213
1111	=head3 cf::map	1214	=head3 cf::map
1112		1215
1113	=over 4	1216	=over 4
1114		1217
…		…
1117	package cf::map;	1220	package cf::map;
1118		1221
1119	use Fcntl;	1222	use Fcntl;
1120	use Coro::AIO;	1223	use Coro::AIO;
1121		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1122	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1124		1231
1125	sub generate_random_map {	1232	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1127
1128	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1235	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$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},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(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"
1142	}	1377	}
1143		1378
1144	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1145	# all maps in C++...	1380	# all maps in C++...
1146	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1148		1383
1149	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1150	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1151	}	1386	}
1152		1387
		1388	sub unlink_save {
		1389	my ($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
1153	sub try_load_header($) {	1396	sub load_header_from($) {
1154	my ($path) = @_;	1397	my ($self, $path) = @_;
1155		1398
1156	utf8::encode $path;	1399	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1158	or return;	1404	or return;
1159		1405
1160	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
1161	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1162		1452
1163	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1164	$map->path ($path);	1454	unless $self->default_region;
1165		1455
1166	$map->load_header ($path)	1456	1
1167	or return;
1168
1169	$map->{load_path} = $path;
1170
1171	$map
1172	}	1457	}
1173		1458
1174	sub find;	1459	sub find;
1175	sub find {	1460	sub find {
1176	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1177		1462
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		1464
1183	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1184		1466
1185	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1187		1469	my $map = new_from_path cf::map $path
1188	# do it the slow way
1189	my $map = try_load_header $path->save_path;
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1470	or return;
1207		1471
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1220		1473
1221	Coro::cede;	1474	$map->load_header
		1475	or return;
1222		1476
1223	if ($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;
1224	$map->reset;	1480	$map->reset;
1225	undef $guard;	1481	undef $guard;
1226	$map = find $path	1482	return find $path;
1227	or return;
1228	}	1483	}
1229		1484
1230	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1231	}	1486	}
1232	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1233		1491
1234	sub load {	1492	sub load {
1235	my ($self) = @_;	1493	my ($self) = @_;
1236		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1237	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1239		1501
1240	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1241		1503
1242	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1243		1505
1244	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1245	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1246	or return;	1512	or return;
1247		1513
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249	if delete $self->{load_original};	1515	if delete $self->{load_original};
1250		1516
1251	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	1518	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1254	$self->clear_unique_items;	1520	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1256	}	1522	}
1257	}	1523	}
1258		1524
1259	Coro::cede;	1525	Coro::cede;
1260
1261	# now do the right thing for maps	1526	# now do the right thing for maps
1262	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1263
1264	if ($self->{path}->is_style_map) {
1265	$self->{deny_save} = 1;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;
1271	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1273	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;
1274	$self->activate;	1539	$self->activate;
1275	}	1540	}
1276		1541
1277	Coro::cede;
1278
1279	$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	$neigh->load;
		1578	}
1280	}	1579	}
1281		1580
1282	sub find_sync {	1581	sub find_sync {
1283	my ($path, $origin) = @_;	1582	my ($path, $origin) = @_;
1284		1583
1285	cf::sync_job { cf::map::find $path, $origin }	1584	cf::sync_job { find $path, $origin }
1286	}	1585	}
1287		1586
1288	sub do_load_sync {	1587	sub do_load_sync {
1289	my ($map) = @_;	1588	my ($map) = @_;
1290		1589
1291	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1292	}	1591	}
1293		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	$MAP_PREFETCHER->prio (6);
		1619
		1620	()
		1621	}
		1622
1294	sub save {	1623	sub save {
1295	my ($self) = @_;	1624	my ($self) = @_;
1296		1625
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1298		1627
1299	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1300		1629
1301	return unless $self->dirty;	1630	return unless $self->dirty;
1302		1631
1303	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		1634
1306	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1307		1636
1308	return if $self->{deny_save};	1637	return if $self->{deny_save};
1309		1638
1310	local $self->{last_access} = $self->last_access;#d#	1639	local $self->{last_access} = $self->last_access;#d#
1311		1640
		1641	cf::async {
		1642	$_->contr->save for $self->players;
		1643	};
		1644
1312	if ($uniq) {	1645	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	1648	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	1650	}
1318	}	1651	}
1319		1652
1320	sub swap_out {	1653	sub swap_out {
1321	my ($self) = @_;	1654	my ($self) = @_;
…		…
1335		1668
1336	sub reset_at {	1669	sub reset_at {
1337	my ($self) = @_;	1670	my ($self) = @_;
1338		1671
1339	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1341	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1342		1675
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		1678
…		…
1350	my ($self) = @_;	1683	my ($self) = @_;
1351		1684
1352	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1353	}	1686	}
1354		1687
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	1688	sub reset {
1377	my ($self) = @_;	1689	my ($self) = @_;
1378		1690
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		1692
1381	return if $self->players;	1693	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1383		1695
1384	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1385		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
1386	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1387		1711
1388	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1389		1713
1390	$self->unlink_save;	1714	$self->unlink_save;
1391	$self->destroy;	1715	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1395		1719
1396	sub nuke {	1720	sub nuke {
1397	my ($self) = @_;	1721	my ($self) = @_;
1398		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1402	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1403	}	1736	}
1404		1737
1405	sub customise_for {	1738	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1739
1408	if ($map->per_player) {	1740	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1741	instantiated unique items. May block.
1410	}
1411		1742
1412	$map	1743	=cut
1413	}
1414		1744
1415	sub emergency_save {	1745	sub unique_maps() {
1416	my $freeze_guard = cf::freeze_mainloop;	1746	my $files = aio_readdir $UNIQUEDIR
		1747	or return;
1417		1748
1418	warn "enter emergency map save\n";	1749	my @paths;
1419		1750
1420	cf::sync_job {	1751	for (@$files) {
1421	warn "begin emergency map save\n";	1752	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1753	next if /\.pst$/;
		1754	next unless /^$PATH_SEP/o;
		1755
		1756	push @paths, cf::map::normalise $_;
1423	};	1757	}
1424		1758
1425	warn "end emergency map save\n";	1759	\@paths
1426	}	1760	}
1427		1761
1428	package cf;	1762	package cf;
1429		1763
1430	=back	1764	=back
1431		1765
		1766	=head3 cf::object
		1767
		1768	=cut
		1769
		1770	package cf::object;
		1771
		1772	=over 4
		1773
		1774	=item $ob->inv_recursive
		1775
		1776	Returns the inventory of the object _and_ their inventories, recursively.
		1777
		1778	=cut
		1779
		1780	sub inv_recursive_;
		1781	sub inv_recursive_ {
		1782	map { $_, inv_recursive_ $_->inv } @_
		1783	}
		1784
		1785	sub inv_recursive {
		1786	inv_recursive_ inv $_[0]
		1787	}
		1788
		1789	package cf;
		1790
		1791	=back
1432		1792
1433	=head3 cf::object::player	1793	=head3 cf::object::player
1434		1794
1435	=over 4	1795	=over 4
1436		1796
…		…
1476		1836
1477	=item $player_object->enter_link	1837	=item $player_object->enter_link
1478		1838
1479	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}>).
1480		1840
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1483		1843
		1844	Will never block.
		1845
1484	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1485		1847
1486	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	1851	fails, to the emergency map position.
1490		1852
1491	Might block.	1853	Might block.
1492		1854
1493	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($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	$LINK_MAP
		1865	}
1494		1866
1495	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1868	my ($self) = @_;
1497		1869
1498	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1499		1871
1500	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1873
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1875	if $self->map;
1504		1876
1505	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1878	}
1507		1879
1508	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1510		1882
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1900	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1901	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1902	if $x <=0 && $y <= 0;
1531		1903
1532	$map->load;	1904	$map->load;
		1905	$map->load_diag;
1533		1906
		1907	return unless $self->contr->active;
1534	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1536	}	1912	}
1537		1913
1538	cf::player->attach (	1914	cf::player->attach (
1539	on_logout => sub {	1915	on_logout => sub {
…		…
1550	my ($pl) = @_;	1926	my ($pl) = @_;
1551		1927
1552	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1929	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1555
1556	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1557	(async {	1932	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1562	. "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.",
1563	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
1564	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1566	})->prio (2);	1941	})->prio (2);
1567	}	1942	}
1568	},	1943	},
…		…
1576	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1577		1952
1578	$self->enter_link;	1953	$self->enter_link;
1579		1954
1580	(async {	1955	(async {
1581	$path = new cf::path $path;	1956	my $map = eval {
1582
1583	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1584	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1585		1959	$map
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590		1962
1591	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1592	})->prio (1);	1964	})->prio (1);
1593	}	1965	}
1594		1966
…		…
1598		1970
1599	sub parse_random_map_params {	1971	sub parse_random_map_params {
1600	my ($spec) = @_;	1972	my ($spec) = @_;
1601		1973
1602	my $rmp = { # defaults	1974	my $rmp = { # defaults
1603	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1605	};	1979	};
1606		1980
1607	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1609		1983
…		…
1613	$rmp	1987	$rmp
1614	}	1988	}
1615		1989
1616	sub prepare_random_map {	1990	sub prepare_random_map {
1617	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1618		1994
1619	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1620	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1621	# that depends on the exit object	1997	# that depends on the exit object
1622		1998
1623	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1624		2000
1625	if ($exit->map) {	2001	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1630	}	2006	}
1631		2007
1632	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1633		2009
1634	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1635	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1636		2013
1637	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) {
1638	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;
1639		2018
1640	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	2020	$exit->msg (undef);
1642	}	2021	}
1643	}	2022	}
1644		2023
1645	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1647		2026
1648	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;
1649		2039
1650	$self->enter_link;	2040	$self->enter_link;
1651		2041
1652	(async {	2042	(async {
1653	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1654	unless (eval {	2044	unless (eval {
1655	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1656	if $exit->slaying eq "/!";
1657
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660		2046
1661	1;	2047	1;
1662	}) {	2048	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1664	. "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. "
1665	. "Please report this to the dungeon master",	2051	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2053
1668	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2055	$self->leave_link;
1670	}	2056	}
1671	})->prio (1);	2057	})->prio (1);
…		…
1684		2070
1685	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1687		2073
1688	utf8::encode $text;	2074	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2076	}
1691		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	}
1692		2090
1693	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1694		2092
1695	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1696	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>,
…		…
1725	# get handled first	2123	# get handled first
1726	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1727	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
1728		2126
1729	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		2129
1731	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1732		2131
1733	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	2133	if (@$queue) {
…		…
1792		2191
1793	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1794		2193
1795	=pod	2194	=pod
1796		2195
1797	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1798		2197
1799	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1800	cf::object::player player	2199	cf::object::player player
1801	cf::player peaceful	2200	cf::player peaceful
1802	cf::map trigger	2201	cf::map trigger
…		…
1887	#############################################################################	2286	#############################################################################
1888		2287
1889	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
1890		2289
1891	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
1892	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1893	excludes objects.	2292	convert to/from binary).
1894		2293
1895	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
1896	using it, it should be unique.	2295	using it, it should be unique.
1897		2296
1898	=over 4	2297	=over 4
1899		2298
1900	=item $hashref = cf::db_get $family
1901
1902	Return a hashref for use by the extension C<$family>, which can be
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905
1906	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
1907		2300
1908	Returns a single value from the database	2301	Returns a single value from the database.
1909
1910	=item cf::db_put $family => $hashref
1911
1912	Stores the given family hashref into the database. Updates are delayed, if
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1914		2302
1915	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
1916		2304
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927		2306
1928	=cut	2307	=cut
1929		2308
1930	our $DB;	2309	our $DB;
1931		2310
1932	{	2311	sub db_init {
1933	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
1934		2314
1935	sub db_load() {	2315	cf::sync_job {
1936	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
1937	}	2317	$DB->set_flags (BDB::CHKSUM);
1938		2318
1939	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
1940		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
1941	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
1942	waitpid $pid, 0 if $pid;	2322	};
1943	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}	2324	};
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	2325	}
		2326	}
1961		2327
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}
1966
1967	sub db_get($;$) {	2328	sub db_get($$) {
1968	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
1973	sub db_put($$;$) {	2339	sub db_put($$$) {
1974	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
1975	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
1976	} else {	2342	}
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981		2343
1982	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
1983	prio => 10000,	2345
1984	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
1985	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($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 "$src->[$_]: $!";
1986	},	2376	}
1987	);	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"
1988	}	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
1989		2459
1990	#############################################################################	2460	#############################################################################
1991	# 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	}
1992		2549
1993	sub cfg_load {	2550	sub cfg_load {
1994	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
1995	or return;	2552	or return;
1996		2553
1997	local $/;	2554	local $/;
1998	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
1999		2556
…		…
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		2561
2005	if (exists $CFG{mlockall}) {	2562	if (exists $CFG{mlockall}) {
2006	eval {	2563	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	2565	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	2566	};
2010	warn $@ if $@;	2567	warn $@ if $@;
2011	}	2568	}
2012	}	2569	}
2013		2570
2014	sub main {	2571	sub main {
2015	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2017	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 {
2018	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2019	};	2578	};
2020		2579
2021	cfg_load;	2580	cfg_load;
2022	db_load;	2581	db_init;
2023	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2024	Event::loop;	2585	Event::loop;
2025	}	2586	}
2026		2587
2027	#############################################################################	2588	#############################################################################
2028	# initialisation	2589	# initialisation and cleanup
2029		2590
		2591	# install some emergency cleanup handlers
		2592	BEGIN {
		2593	for my $signal (qw(INT HUP TERM)) {
		2594	Event->signal (
		2595	reentrant => 0,
		2596	data => WF_AUTOCANCEL,
		2597	signal => $signal,
		2598	prio => 0,
		2599	cb => sub {
		2600	cf::cleanup "SIG$signal";
		2601	},
		2602	);
		2603	}
		2604	}
		2605
		2606	sub emergency_save() {
		2607	my $freeze_guard = cf::freeze_mainloop;
		2608
		2609	warn "enter emergency perl save\n";
		2610
		2611	cf::sync_job {
		2612	# use a peculiar iteration method to avoid tripping on perl
		2613	# refcount bugs in for. also avoids problems with players
		2614	# and maps saved/destroyed asynchronously.
		2615	warn "begin emergency player save\n";
		2616	for my $login (keys %cf::PLAYER) {
		2617	my $pl = $cf::PLAYER{$login} or next;
		2618	$pl->valid or next;
		2619	$pl->save;
		2620	}
		2621	warn "end emergency player save\n";
		2622
		2623	warn "begin emergency map save\n";
		2624	for my $path (keys %cf::MAP) {
		2625	my $map = $cf::MAP{$path} or next;
		2626	$map->valid or next;
		2627	$map->save;
		2628	}
		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";
		2634	};
		2635
		2636	warn "leave emergency perl save\n";
		2637	}
		2638
		2639	sub post_cleanup {
		2640	my ($make_core) = @_;
		2641
		2642	warn Carp::longmess "post_cleanup backtrace"
		2643	if $make_core;
		2644	}
		2645
2030	sub reload() {	2646	sub do_reload_perl() {
2031	# can/must only be called in main	2647	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2034	return;	2650	return;
2035	}	2651	}
2036		2652
2037	warn "reloading...";	2653	warn "reloading...";
2038		2654
2039	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2040	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2041		2661
2042	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2043	# 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
2044		2666
2045	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2046	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2048	}	2670	}
2049		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
2050	# cancel all extension coros	2683	warn "cancelling all extension coros";
2051	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();	2685	%EXT_CORO = ();
2053		2686
2054	# unload all extensions	2687	warn "removing commands";
2055	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2056	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2057	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: $@";
2058	}	2702	}
2059		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2060	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2061	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063		2711
2064	warn "removing <$k>";	2712	warn "... unloading $k";
2065	delete $INC{$k};	2713	delete $INC{$k};
2066		2714
2067	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2069		2717
…		…
2072	}	2720	}
2073		2721
2074	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2075	}	2723	}
2076		2724
2077	# sync database to disk
2078	cf::db_sync;
2079	IO::AIO::flush;
2080
2081	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2083	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);
2084		2728
2085	# remove register_script_function callbacks
2086	# TODO
2087
2088	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2089	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2090		2732
2091	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2092	# and global variables created in xs	2734	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2094		2736
2095	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2096	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2097	require cf;	2740	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099		2742
2100	# load config and database again	2743	warn "loading config and database again";
2101	cf::cfg_load;	2744	cf::cfg_load;
2102	cf::db_load;
2103		2745
2104	# load extensions
2105	warn "load extensions";	2746	warn "loading extensions";
2106	cf::load_extensions;	2747	cf::load_extensions;
2107		2748
2108	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2109	warn "reattach";	2750	_global_reattach; # objects, sockets
2110	_global_reattach;	2751	warn "reattaching attachments to maps";
2111	};	2752	reattach $_ for values %MAP;
		2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2112		2755
2113	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2114	warn $@;	2760	warn $@;
2115	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2116	exit 1;	2762	exit 1;
2117	}	2763	};
2118		2764
2119	warn "reloaded successfully";	2765	warn "reloaded";
2120	};	2766	};
2121		2767
2122	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2123		2769
2124	unless ($LINK_MAP) {	2770	sub reload_perl() {
2125	$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.
2126		2773
2127	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2128	$LINK_MAP->height (41);	2775	reentrant => 0,
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2137	cb => sub {	2778	cb => sub {
2138	$_[0]->w->cancel;	2779	do_reload_perl;
2139		2780	undef $RELOAD_WATCHER;
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});	2781	},
2158		2782	);
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	2783	}
2164
2165	register "<global>", __PACKAGE__;
2166		2784
2167	register_command "reload" => sub {	2785	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2169		2787
2170	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2174	}	2791	}
2175	};	2792	};
2176		2793
2177	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	}
2178		2818
2179	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2180	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2181	prio => 0,	2822	prio => 0,
2182	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2183	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2184	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
2185	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2186	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2188		2838
		2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		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#
		2849
2189	# 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
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		2852
2192	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2193	$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;
2194	},	2864	},
2195	);	2865	);
2196		2866
		2867	{
2197	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2198		2869	$BDB_POLL_WATCHER = Event->io (
2199	Event->io (	2870	reentrant => 0,
2200	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2201	poll => 'r',	2872	poll => 'r',
2202	prio => 5,	2873	prio => 0,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2209	after => 0,	2875	cb => \&BDB::poll_cb,
2210	interval => 10,	2876	);
2211	cb => sub {	2877	BDB::min_parallel 8;
2212	(Coro::unblock_sub {	2878
2213	write_runtime	2879	BDB::set_sync_prepare {
2214	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 $@;
2215	})->();	2913	};
2216	},	2914	}
2217	);	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;
2218		2972
2219	END { cf::emergency_save }	2973	END { cf::emergency_save }
2220		2974
2221	1	2975	1
2222		2976

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