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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 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
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 $guard = cf::lock_acquire "write_runtime";
312		373
		374	my $runtime = "$LOCALDIR/runtime";
		375
		376	warn "starting to write runtime...\n";#d#
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314	or return;	378	or return;
315		379
		380	my $value = $cf::RUNTIME + 90 + 10;
316	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
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0	384	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;	385	and return;
319		386
		387	# always fsync - this file is important
320	aio_fsync $fh	388	aio_fsync $fh
321	and return;	389	and return;
322		390
323	close $fh	391	close $fh
324	or return;	392	or return;
325		393
326	aio_rename "$runtime~", $runtime	394	aio_rename "$runtime~", $runtime
327	and return;	395	and return;
328		396
		397	warn "... done writing runtime.\n";#d#
		398
329	1	399	1
330	}	400	}
331		401
		402	=item cf::datalog type => key => value, ...
		403
		404	Log a datalog packet of the given type with the given key-value pairs.
		405
		406	=cut
		407
		408	sub datalog($@) {
		409	my ($type, %kv) = @_;
		410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		411	}
		412
332	=back	413	=back
333		414
334	=cut	415	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($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		416
456	#############################################################################	417	#############################################################################
457		418
458	=head2 ATTACHABLE OBJECTS	419	=head2 ATTACHABLE OBJECTS
459		420
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	546	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	547	our @CB_MAP = ();
587		548
588	my %attachment;	549	my %attachment;
589		550
		551	sub cf::attachable::thawer_merge {
		552	# simply override everything except _meta
		553	local $_[0]{_meta};
		554	%{$_[0]} = %{$_[1]};
		555	}
		556
590	sub _attach_cb($$$$) {	557	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	558	my ($registry, $event, $prio, $cb) = @_;
592		559
593	use sort 'stable';	560	use sort 'stable';
594		561
…		…
765	# object support	732	# object support
766		733
767	sub reattach {	734	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	735	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	736	my ($obj) = @_;
		737
		738	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		739
771	my $registry = $obj->registry;	740	my $registry = $obj->registry;
772		741
773	@$registry = ();	742	@$registry = ();
774		743
…		…
821	$filename, length $$rdata, scalar @$objs;	790	$filename, length $$rdata, scalar @$objs;
822		791
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	793	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	795	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	796	close $fh;
828		797
829	if (@$objs) {	798	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	800	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	801	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	802	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	803	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	804	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	805	aio_rename "$filename.pst~", "$filename.pst";
837	}	806	}
838	} else {	807	} else {
839	aio_unlink "$filename.pst";	808	aio_unlink "$filename.pst";
…		…
906	=cut	875	=cut
907		876
908	sub register_extcmd {	877	sub register_extcmd {
909	my ($name, $cb) = @_;	878	my ($name, $cb) = @_;
910		879
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	880	$EXTCMD{$name} = $cb;
915	}	881	}
916		882
917	cf::player->attach (	883	cf::player->attach (
918	on_command => sub {	884	on_command => sub {
919	my ($pl, $name, $params) = @_;	885	my ($pl, $name, $params) = @_;
…		…
932		898
933	my $msg = eval { from_json $buf };	899	my $msg = eval { from_json $buf };
934		900
935	if (ref $msg) {	901	if (ref $msg) {
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	903	if (my %reply = $cb->($pl, $msg)) {
938	$pl->ext_reply ($msg->{msgid}, %reply);	904	$pl->ext_reply ($msg->{msgid}, %reply);
939	}	905	}
940	}	906	}
941	} else {	907	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
944		910
945	cf::override;	911	cf::override;
946	},	912	},
947	);	913	);
948		914
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	915	sub load_extension {
956	my ($path) = @_;	916	my ($path) = @_;
957		917
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;	919	my $base = $1;
960	my $pkg = $1;	920	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;	921	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";	922	$pkg = "ext::$pkg";
963		923
964	warn "loading '$path' into '$pkg'\n";	924	warn "... loading '$path' into '$pkg'\n";
965		925
966	open my $fh, "<:utf8", $path	926	open my $fh, "<:utf8", $path
967	or die "$path: $!";	927	or die "$path: $!";
968		928
969	my $source =	929	my $source =
970	"package $pkg; use strict; use utf8;\n"	930	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"	931	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })	932	. (do { local $/; <$fh> })
973	. "\n};\n1";	933	. "\n};\n1";
974		934
975	eval $source	935	unless (eval $source) {
976	or die $@ ? "$path: $@\n"	936	my $msg = $@ ? "$path: $@\n"
977	: "extension disabled.\n";	937	: "extension disabled.\n";
978		938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979	push @exts, $pkg;	939	warn $@;
980	$ext_pkg{$base} = $pkg;	940	warn "mandatory extension failed to load, exiting.\n";
981		941	exit 1;
982	# no strict 'refs';	942	}
983	# @{"$pkg\::ISA"} = ext::;	943	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	# }	944	}
998		945
999	# remove commands	946	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	}	947	}
1024		948
1025	sub load_extensions {	949	sub load_extensions {
1026	for my $ext (<$LIBDIR/*.ext>) {	950	for my $ext (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	951	next unless -r $ext;
…		…
1031	} or warn "$ext not loaded: $@";	955	} or warn "$ext not loaded: $@";
1032	}	956	}
1033	}	957	}
1034		958
1035	#############################################################################	959	#############################################################################
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		960
1073	=head2 CORE EXTENSIONS	961	=head2 CORE EXTENSIONS
1074		962
1075	Functions and methods that extend core crossfire objects.	963	Functions and methods that extend core crossfire objects.
1076		964
1077	=cut	965	=cut
1078		966
1079	package cf::player;	967	package cf::player;
1080		968
		969	use Coro::AIO;
		970
1081	=head3 cf::player	971	=head3 cf::player
1082		972
1083	=over 4	973	=over 4
1084		974
1085	=item cf::player::find $login	975	=item cf::player::find $login
1086		976
1087	Returns the given player object, loading it if necessary (might block).	977	Returns the given player object, loading it if necessary (might block).
1088		978
1089	=cut	979	=cut
1090		980
		981	sub playerdir($) {
		982	"$PLAYERDIR/"
		983	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		984	}
		985
1091	sub path($) {	986	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	987	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	988
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	989	(playerdir $login) . "/playerdata"
1095	}	990	}
1096		991
1097	sub find_active($) {	992	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	993	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	994	and $cf::PLAYER{$_[0]}->active
…		…
1102		997
1103	sub exists($) {	998	sub exists($) {
1104	my ($login) = @_;	999	my ($login) = @_;
1105		1000
1106	$cf::PLAYER{$login}	1001	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1002	or cf::sync_job { !aio_stat path $login }
1108	}	1003	}
1109		1004
1110	sub find($) {	1005	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1006	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1007	my $login = $_[0];
1113		1008
1114	my $guard = cf::lock_acquire "user_find:$login";	1009	my $guard = cf::lock_acquire "user_find:$login";
1115		1010
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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	}
1117	};	1023	}
1118	}	1024	}
1119		1025
1120	sub save($) {	1026	sub save($) {
1121	my ($pl) = @_;	1027	my ($pl) = @_;
1122		1028
…		…
1124		1030
1125	my $path = path $pl;	1031	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1032	my $guard = cf::lock_acquire "user_save:$path";
1127		1033
1128	return if $pl->{deny_save};	1034	return if $pl->{deny_save};
		1035
		1036	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1037	$pl->{last_save} = $cf::RUNTIME;
1130		1038
1131	Coro::cede;
1132	$pl->save_pl ($path);	1039	$pl->save_pl ($path);
1133	Coro::cede;	1040	Coro::cede;
1134	}	1041	}
1135		1042
1136	sub new($) {	1043	sub new($) {
…		…
1144	$cf::PLAYER{$login} = $self;	1051	$cf::PLAYER{$login} = $self;
1145		1052
1146	$self	1053	$self
1147	}	1054	}
1148		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
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1157	=item $player->ext_reply ($msgid, %msg)
1150		1158
1151	Sends an ext reply to the player.	1159	Sends an ext reply to the player.
1152		1160
1153	=cut	1161	=cut
1154		1162
1155	sub ext_reply($$$%) {	1163	sub ext_reply($$%) {
1156	my ($self, $id, %msg) = @_;	1164	my ($self, $id, %msg) = @_;
1157		1165
1158	$msg{msgid} = $id;	1166	$msg{msgid} = $id;
1159		1167
1160	$self->send ("ext " . cf::to_json \%msg);	1168	$self->send ("ext " . cf::to_json \%msg);
1161	}	1169	}
1162		1170
1163	package cf;	1171	=item $player->ext_event ($type, %msg)
		1172
		1173	Sends an ext event to the client.
		1174
		1175	=cut
		1176
		1177	sub ext_event($$%) {
		1178	my ($self, $type, %msg) = @_;
		1179
		1180	$self->ns->ext_event ($type, %msg);
		1181	}
		1182
		1183	=head3 cf::region
		1184
		1185	=over 4
		1186
		1187	=cut
		1188
		1189	package cf::region;
		1190
		1191	=item cf::region::find_by_path $path
		1192
		1193	Tries to decuce the probable region for a map knowing only its path.
		1194
		1195	=cut
		1196
		1197	sub find_by_path($) {
		1198	my ($path) = @_;
		1199
		1200	my ($match, $specificity);
		1201
		1202	for my $region (list) {
		1203	if ($region->match && $path =~ $region->match) {
		1204	($match, $specificity) = ($region, $region->specificity)
		1205	if $region->specificity > $specificity;
		1206	}
		1207	}
		1208
		1209	$match
		1210	}
1164		1211
1165	=back	1212	=back
1166
1167		1213
1168	=head3 cf::map	1214	=head3 cf::map
1169		1215
1170	=over 4	1216	=over 4
1171		1217
…		…
1174	package cf::map;	1220	package cf::map;
1175		1221
1176	use Fcntl;	1222	use Fcntl;
1177	use Coro::AIO;	1223	use Coro::AIO;
1178		1224
		1225	use overload
		1226	'""' => \&as_string,
		1227	fallback => 1;
		1228
1179	our $MAX_RESET = 3600;	1229	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1230	our $DEFAULT_RESET = 3000;
1181		1231
1182	sub generate_random_map {	1232	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1233	my ($self, $rmp) = @_;
1184
1185	# mit "rum" bekleckern, nicht	1234	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1235	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1239	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1240	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(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"
1199	}	1377	}
1200		1378
1201	# and all this just because we cannot iterate over	1379	# and all this just because we cannot iterate over
1202	# all maps in C++...	1380	# all maps in C++...
1203	sub change_all_map_light {	1381	sub change_all_map_light {
…		…
1205		1383
1206	$_->change_map_light ($change)	1384	$_->change_map_light ($change)
1207	for grep $_->outdoor, values %cf::MAP;	1385	for grep $_->outdoor, values %cf::MAP;
1208	}	1386	}
1209		1387
		1388	sub unlink_save {
		1389	my ($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
1210	sub try_load_header($) {	1396	sub load_header_from($) {
1211	my ($path) = @_;	1397	my ($self, $path) = @_;
1212		1398
1213	utf8::encode $path;	1399	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1400	#aio_open $path, O_RDONLY, 0
		1401	# or return;
		1402
		1403	$self->_load_header ($path)
1215	or return;	1404	or return;
1216		1405
1217	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
1218	or return;	1449	or return;
		1450	$self->prepare_orig;
		1451	}
1219		1452
1220	# for better error messages only, will be overwritten	1453	$self->default_region (cf::region::find_by_path $self->{path})
1221	$map->path ($path);	1454	unless $self->default_region;
1222		1455
1223	$map->load_header ($path)	1456	1
1224	or return;
1225
1226	$map->{load_path} = $path;
1227
1228	$map
1229	}	1457	}
1230		1458
1231	sub find;	1459	sub find;
1232	sub find {	1460	sub find {
1233	my ($path, $origin) = @_;	1461	my ($path, $origin) = @_;
1234		1462
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1463	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1464
1240	cf::lock_wait "map_find:$key";	1465	cf::lock_wait "map_find:$path";
1241		1466
1242	$cf::MAP{$key} || do {	1467	$cf::MAP{$path} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1468	my $guard = cf::lock_acquire "map_find:$path";
1244		1469	my $map = new_from_path cf::map $path
1245	# do it the slow way
1246	my $map = try_load_header $path->save_path;
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1470	or return;
1264		1471
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1472	$map->{last_save} = $cf::RUNTIME;
1277		1473
1278	Coro::cede;	1474	$map->load_header
		1475	or return;
1279		1476
1280	if ($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;
1281	$map->reset;	1480	$map->reset;
1282	undef $guard;	1481	undef $guard;
1283	$map = find $path	1482	return find $path;
1284	or return;
1285	}	1483	}
1286		1484
1287	$cf::MAP{$key} = $map	1485	$cf::MAP{$path} = $map
1288	}	1486	}
1289	}	1487	}
		1488
		1489	sub pre_load { }
		1490	sub post_load { }
1290		1491
1291	sub load {	1492	sub load {
1292	my ($self) = @_;	1493	my ($self) = @_;
1293		1494
		1495	local $self->{deny_reset} = 1; # loading can take a long time
		1496
1294	my $path = $self->{path};	1497	my $path = $self->{path};
		1498
		1499	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1500	my $guard = cf::lock_acquire "map_load:$path";
1296		1501
1297	return if $self->in_memory != cf::MAP_SWAPPED;	1502	return if $self->in_memory != cf::MAP_SWAPPED;
1298		1503
1299	$self->in_memory (cf::MAP_LOADING);	1504	$self->in_memory (cf::MAP_LOADING);
1300		1505
1301	$self->alloc;	1506	$self->alloc;
		1507
		1508	$self->pre_load;
		1509	Coro::cede;
		1510
1302	$self->load_objects ($self->{load_path}, 1)	1511	$self->_load_objects ($self->{load_path}, 1)
1303	or return;	1512	or return;
1304		1513
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306	if delete $self->{load_original};	1515	if delete $self->{load_original};
1307		1516
1308	if (my $uniq = $path->uniq_path) {	1517	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	1518	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	1519	if (aio_open $uniq, O_RDONLY, 0) {
1311	$self->clear_unique_items;	1520	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	1521	$self->_load_objects ($uniq, 0);
1313	}	1522	}
1314	}	1523	}
1315		1524
1316	Coro::cede;	1525	Coro::cede;
1317
1318	# now do the right thing for maps	1526	# now do the right thing for maps
1319	$self->link_multipart_objects;	1527	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	1528	$self->difficulty ($self->estimate_difficulty)
1330	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;
1331	$self->activate;	1539	$self->activate;
1332	}	1540	}
1333		1541
1334	Coro::cede;
1335
1336	$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	$neigh->load;
		1578	}
1337	}	1579	}
1338		1580
1339	sub find_sync {	1581	sub find_sync {
1340	my ($path, $origin) = @_;	1582	my ($path, $origin) = @_;
1341		1583
1342	cf::sync_job { cf::map::find $path, $origin }	1584	cf::sync_job { find $path, $origin }
1343	}	1585	}
1344		1586
1345	sub do_load_sync {	1587	sub do_load_sync {
1346	my ($map) = @_;	1588	my ($map) = @_;
1347		1589
1348	cf::sync_job { $map->load };	1590	cf::sync_job { $map->load };
1349	}	1591	}
1350		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	$MAP_PREFETCHER->prio (6);
		1619
		1620	()
		1621	}
		1622
1351	sub save {	1623	sub save {
1352	my ($self) = @_;	1624	my ($self) = @_;
1353		1625
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1355		1627
1356	$self->{last_save} = $cf::RUNTIME;	1628	$self->{last_save} = $cf::RUNTIME;
1357		1629
1358	return unless $self->dirty;	1630	return unless $self->dirty;
1359		1631
1360	my $save = $self->{path}->save_path; utf8::encode $save;	1632	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1633	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		1634
1363	$self->{load_path} = $save;	1635	$self->{load_path} = $save;
1364		1636
1365	return if $self->{deny_save};	1637	return if $self->{deny_save};
1366		1638
…		…
1369	cf::async {	1641	cf::async {
1370	$_->contr->save for $self->players;	1642	$_->contr->save for $self->players;
1371	};	1643	};
1372		1644
1373	if ($uniq) {	1645	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	1648	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	1650	}
1379	}	1651	}
1380		1652
1381	sub swap_out {	1653	sub swap_out {
1382	my ($self) = @_;	1654	my ($self) = @_;
…		…
1396		1668
1397	sub reset_at {	1669	sub reset_at {
1398	my ($self) = @_;	1670	my ($self) = @_;
1399		1671
1400	# TODO: safety, remove and allow resettable per-player maps	1672	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};	1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1402	return 1e99 if $self->{deny_reset};	1674	return 1e99 if $self->{deny_reset};
1403		1675
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		1678
…		…
1411	my ($self) = @_;	1683	my ($self) = @_;
1412		1684
1413	$self->reset_at <= $cf::RUNTIME	1685	$self->reset_at <= $cf::RUNTIME
1414	}	1686	}
1415		1687
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	1688	sub reset {
1438	my ($self) = @_;	1689	my ($self) = @_;
1439		1690
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	1691	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		1692
1442	return if $self->players;	1693	return if $self->players;
1443	return if $self->{path}{user_rel};#d#	1694	return if $self->isa ("ext::map_per_player");#d#
1444		1695
1445	warn "resetting map ", $self->path;#d#	1696	warn "resetting map ", $self->path;#d#
1446		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
1447	delete $cf::MAP{$self->path};	1708	delete $cf::MAP{$self->path};
		1709
		1710	$self->clear;
1448		1711
1449	$_->clear_links_to ($self) for values %cf::MAP;	1712	$_->clear_links_to ($self) for values %cf::MAP;
1450		1713
1451	$self->unlink_save;	1714	$self->unlink_save;
1452	$self->destroy;	1715	$self->destroy;
…		…
1455	my $nuke_counter = "aaaa";	1718	my $nuke_counter = "aaaa";
1456		1719
1457	sub nuke {	1720	sub nuke {
1458	my ($self) = @_;	1721	my ($self) = @_;
1459		1722
		1723	delete $cf::MAP{$self->path};
		1724
		1725	$self->unlink_save;
		1726
		1727	bless $self, "cf::map";
		1728	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	1729	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	1730	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1732
		1733	$cf::MAP{$self->path} = $self;
		1734
1463	$self->reset; # polite request, might not happen	1735	$self->reset; # polite request, might not happen
1464	}	1736	}
1465		1737
1466	sub customise_for {	1738	=item cf::map::unique_maps
1467	my ($map, $ob) = @_;
1468		1739
1469	if ($map->per_player) {	1740	Returns an arrayref of paths of all shared maps that have
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1741	instantiated unique items. May block.
1471	}
1472		1742
1473	$map	1743	=cut
1474	}
1475		1744
1476	sub emergency_save {	1745	sub unique_maps() {
1477	my $freeze_guard = cf::freeze_mainloop;	1746	my $files = aio_readdir $UNIQUEDIR
		1747	or return;
1478		1748
1479	warn "enter emergency map save\n";	1749	my @paths;
1480		1750
1481	cf::sync_job {	1751	for (@$files) {
1482	warn "begin emergency map save\n";	1752	utf8::decode $_;
1483	$_->save for values %cf::MAP;	1753	next if /\.pst$/;
		1754	next unless /^$PATH_SEP/o;
		1755
		1756	push @paths, cf::map::normalise $_;
1484	};	1757	}
1485		1758
1486	warn "end emergency map save\n";	1759	\@paths
1487	}	1760	}
1488		1761
1489	package cf;	1762	package cf;
1490		1763
1491	=back	1764	=back
1492		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
1493		1792
1494	=head3 cf::object::player	1793	=head3 cf::object::player
1495		1794
1496	=over 4	1795	=over 4
1497		1796
…		…
1537		1836
1538	=item $player_object->enter_link	1837	=item $player_object->enter_link
1539		1838
1540	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}>).
1541		1840
1542	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
1543	I<MUST> call C<leave_link> as soon as possible, though.	1842	I<MUST> call C<leave_link> as soon as possible, though.
1544		1843
		1844	Will never block.
		1845
1545	=item $player_object->leave_link ($map, $x, $y)	1846	=item $player_object->leave_link ($map, $x, $y)
1546		1847
1547	Moves the player out of the specila link map onto the given map. If the	1848	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	1849	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	1850	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	1851	fails, to the emergency map position.
1551		1852
1552	Might block.	1853	Might block.
1553		1854
1554	=cut	1855	=cut
		1856
		1857	sub link_map {
		1858	unless ($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	$LINK_MAP
		1865	}
1555		1866
1556	sub cf::object::player::enter_link {	1867	sub cf::object::player::enter_link {
1557	my ($self) = @_;	1868	my ($self) = @_;
1558		1869
1559	$self->deactivate_recursive;	1870	$self->deactivate_recursive;
1560		1871
1561	return if $self->map == $LINK_MAP;	1872	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		1873
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	1875	if $self->map;
1565		1876
1566	$self->enter_map ($LINK_MAP, 20, 20);	1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	1878	}
1568		1879
1569	sub cf::object::player::leave_link {	1880	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	1881	my ($self, $map, $x, $y) = @_;
1571		1882
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	1900	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	1901	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	1902	if $x <=0 && $y <= 0;
1592		1903
1593	$map->load;	1904	$map->load;
		1905	$map->load_diag;
1594		1906
1595	return unless $self->contr->active;	1907	return unless $self->contr->active;
1596	$self->activate_recursive;	1908	$self->activate_recursive;
		1909
		1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1597	$self->enter_map ($map, $x, $y);	1911	$self->enter_map ($map, $x, $y);
1598	}	1912	}
1599		1913
1600	cf::player->attach (	1914	cf::player->attach (
1601	on_logout => sub {	1915	on_logout => sub {
…		…
1614	# try to abort aborted map switching on player login :)	1928	# try to abort aborted map switching on player login :)
1615	# should happen only on crashes	1929	# should happen only on crashes
1616	if ($pl->ob->{_link_pos}) {	1930	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;	1931	$pl->ob->enter_link;
1618	(async {	1932	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,	1933	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "	1934	"There was an internal problem at your last logout, "
1623	. "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.",
1624	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
1625	Coro::Timer::sleep 1;	1939	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;	1940	$pl->ob->leave_link;
1627	})->prio (2);	1941	})->prio (2);
1628	}	1942	}
1629	},	1943	},
…		…
1637	my ($self, $path, $x, $y) = @_;	1951	my ($self, $path, $x, $y) = @_;
1638		1952
1639	$self->enter_link;	1953	$self->enter_link;
1640		1954
1641	(async {	1955	(async {
1642	$path = new cf::path $path;	1956	my $map = eval {
1643
1644	my $map = cf::map::find $path->as_string;	1957	my $map = cf::map::find $path;
1645	$map = $map->customise_for ($self) if $map;	1958	$map = $map->customise_for ($self) if $map;
1646		1959	$map
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	1960	} or
1648	# if $map;
1649
1650	$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);
1651		1962
1652	$self->leave_link ($map, $x, $y);	1963	$self->leave_link ($map, $x, $y);
1653	})->prio (1);	1964	})->prio (1);
1654	}	1965	}
1655		1966
…		…
1659		1970
1660	sub parse_random_map_params {	1971	sub parse_random_map_params {
1661	my ($spec) = @_;	1972	my ($spec) = @_;
1662		1973
1663	my $rmp = { # defaults	1974	my $rmp = { # defaults
1664	xsize => 10,	1975	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	1976	ysize => (cf::rndm 15, 40),
		1977	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1978	#layout => string,
1666	};	1979	};
1667		1980
1668	for (split /\n/, $spec) {	1981	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	1982	my ($k, $v) = split /\s+/, $_, 2;
1670		1983
…		…
1674	$rmp	1987	$rmp
1675	}	1988	}
1676		1989
1677	sub prepare_random_map {	1990	sub prepare_random_map {
1678	my ($exit) = @_;	1991	my ($exit) = @_;
		1992
		1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1679		1994
1680	# all this does is basically replace the /! path by	1995	# all this does is basically replace the /! path by
1681	# a new random map path (?random/...) with a seed	1996	# a new random map path (?random/...) with a seed
1682	# that depends on the exit object	1997	# that depends on the exit object
1683		1998
1684	my $rmp = parse_random_map_params $exit->msg;	1999	my $rmp = parse_random_map_params $exit->msg;
1685		2000
1686	if ($exit->map) {	2001	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2002	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2003	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2004	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2005	$rmp->{origin_y} = $exit->y;
1691	}	2006	}
1692		2007
1693	$rmp->{random_seed} ||= $exit->random_seed;	2008	$rmp->{random_seed} ||= $exit->random_seed;
1694		2009
1695	my $data = cf::to_json $rmp;	2010	my $data = cf::to_json $rmp;
1696	my $md5 = Digest::MD5::md5_hex $data;	2011	my $md5 = Digest::MD5::md5_hex $data;
		2012	my $meta = "$RANDOMDIR/$md5.meta";
1697		2013
1698	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) {
1699	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;
1700		2018
1701	$exit->slaying ("?random/$md5");	2019	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2020	$exit->msg (undef);
1703	}	2021	}
1704	}	2022	}
1705		2023
1706	sub cf::object::player::enter_exit {	2024	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2025	my ($self, $exit) = @_;
1708		2026
1709	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;
1710		2039
1711	$self->enter_link;	2040	$self->enter_link;
1712		2041
1713	(async {	2042	(async {
1714	$self->deactivate_recursive; # just to be sure	2043	$self->deactivate_recursive; # just to be sure
1715	unless (eval {	2044	unless (eval {
1716	prepare_random_map $exit	2045	$self->goto ($slaying, $hp, $sp);
1717	if $exit->slaying eq "/!";
1718
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1721		2046
1722	1;	2047	1;
1723	}) {	2048	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2049	$self->message ("Something went wrong deep within the crossfire server. "
1725	. "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. "
1726	. "Please report this to the dungeon master",	2051	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2052	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2053
1729	warn "ERROR in enter_exit: $@";	2054	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2055	$self->leave_link;
1731	}	2056	}
1732	})->prio (1);	2057	})->prio (1);
…		…
1745		2070
1746	sub cf::client::send_drawinfo {	2071	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2072	my ($self, $text, $flags) = @_;
1748		2073
1749	utf8::encode $text;	2074	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2076	}
1752		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	}
1753		2090
1754	=item $success = $client->query ($flags, "text", \&cb)	2091	=item $success = $client->query ($flags, "text", \&cb)
1755		2092
1756	Queues a query to the client, calling the given callback with	2093	Queues a query to the client, calling the given callback with
1757	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>,
…		…
1786	# get handled first	2123	# get handled first
1787	my $queue = delete $ns->{query_queue}	2124	my $queue = delete $ns->{query_queue}
1788	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
1789		2126
1790	(shift @$queue)->[1]->($msg);	2127	(shift @$queue)->[1]->($msg);
		2128	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		2129
1792	push @{ $ns->{query_queue} }, @$queue;	2130	push @{ $ns->{query_queue} }, @$queue;
1793		2131
1794	if (@{ $ns->{query_queue} } == @$queue) {	2132	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	2133	if (@$queue) {
…		…
1853		2191
1854	# here we export the classes and methods available to script code	2192	# here we export the classes and methods available to script code
1855		2193
1856	=pod	2194	=pod
1857		2195
1858	The following fucntions and emthods are available within a safe environment:	2196	The following functions and methods are available within a safe environment:
1859		2197
1860	cf::object contr pay_amount pay_player map	2198	cf::object contr pay_amount pay_player map
1861	cf::object::player player	2199	cf::object::player player
1862	cf::player peaceful	2200	cf::player peaceful
1863	cf::map trigger	2201	cf::map trigger
…		…
1948	#############################################################################	2286	#############################################################################
1949		2287
1950	=head2 EXTENSION DATABASE SUPPORT	2288	=head2 EXTENSION DATABASE SUPPORT
1951		2289
1952	Crossfire maintains a very simple database for extension use. It can	2290	Crossfire maintains a very simple database for extension use. It can
1953	currently store anything that can be serialised using Storable, which	2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
1954	excludes objects.	2292	convert to/from binary).
1955		2293
1956	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
1957	using it, it should be unique.	2295	using it, it should be unique.
1958		2296
1959	=over 4	2297	=over 4
1960		2298
1961	=item $hashref = cf::db_get $family
1962
1963	Return a hashref for use by the extension C<$family>, which can be
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966
1967	=item $value = cf::db_get $family => $key	2299	=item $value = cf::db_get $family => $key
1968		2300
1969	Returns a single value from the database	2301	Returns a single value from the database.
1970
1971	=item cf::db_put $family => $hashref
1972
1973	Stores the given family hashref into the database. Updates are delayed, if
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975		2302
1976	=item cf::db_put $family => $key => $value	2303	=item cf::db_put $family => $key => $value
1977		2304
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you	2305	Stores the given C<$value> in the family.
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988		2306
1989	=cut	2307	=cut
1990		2308
1991	our $DB;	2309	our $DB;
1992		2310
1993	{	2311	sub db_init {
1994	my $path = cf::localdir . "/database.pst";	2312	unless ($DB) {
		2313	$DB = BDB::db_create $DB_ENV;
1995		2314
1996	sub db_load() {	2315	cf::sync_job {
1997	$DB = stat $path ? Storable::retrieve $path : { };	2316	eval {
1998	}	2317	$DB->set_flags (BDB::CHKSUM);
1999		2318
2000	my $pid;	2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2001		2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2002	sub db_save() {	2321	cf::cleanup "db_open(db): $!" if $!;
2003	waitpid $pid, 0 if $pid;	2322	};
2004	if (0 == ($pid = fork)) {	2323	cf::cleanup "db_open(db): $@" if $@;
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}	2324	};
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	2325	}
		2326	}
2022		2327
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}
2027
2028	sub db_get($;$) {	2328	sub db_get($$) {
2029	@_ >= 2	2329	my $key = "$_[0]/$_[1]";
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		2330
		2331	cf::sync_job {
		2332	BDB::db_get $DB, undef, $key, my $data;
		2333
		2334	$! ? ()
		2335	: $data
		2336	}
		2337	}
		2338
2034	sub db_put($$;$) {	2339	sub db_put($$$) {
2035	if (@_ >= 3) {	2340	BDB::dbreq_pri 4;
2036	$DB->{$_[0]}{$_[1]} = $_[2];	2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2037	} else {	2342	}
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		2343
2043	cf::global->attach (	2344	=item cf::cache $id => [$paths...], $processversion => $process
2044	prio => 10000,	2345
2045	on_cleanup => sub {	2346	Generic caching function that returns the value of the resource $id,
2046	db_sync;	2347	caching and regenerating as required.
		2348
		2349	This function can block.
		2350
		2351	=cut
		2352
		2353	sub cache {
		2354	my ($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 "$src->[$_]: $!";
2047	},	2376	}
2048	);	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"
2049	}	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
2050		2459
2051	#############################################################################	2460	#############################################################################
2052	# 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	}
2053		2549
2054	sub cfg_load {	2550	sub cfg_load {
2055	open my $fh, "<:utf8", cf::confdir . "/config"	2551	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	2552	or return;
2057		2553
2058	local $/;	2554	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	2555	*CFG = YAML::Syck::Load <$fh>;
2060		2556
…		…
2063	$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};
2064	$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};
2065		2561
2066	if (exists $CFG{mlockall}) {	2562	if (exists $CFG{mlockall}) {
2067	eval {	2563	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	2564	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	2565	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	2566	};
2071	warn $@ if $@;	2567	warn $@ if $@;
2072	}	2568	}
2073	}	2569	}
2074		2570
2075	sub main {	2571	sub main {
2076	# we must not ever block the main coroutine	2572	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	2573	local $Coro::idle = sub {
2078	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 {
2079	async { Event::one_event };	2576	Event::one_event;
		2577	})->prio (Coro::PRIO_MAX);
2080	};	2578	};
2081		2579
2082	cfg_load;	2580	cfg_load;
2083	db_load;	2581	db_init;
2084	load_extensions;	2582	load_extensions;
		2583
		2584	$TICK_WATCHER->start;
2085	Event::loop;	2585	Event::loop;
2086	}	2586	}
2087		2587
2088	#############################################################################	2588	#############################################################################
2089	# initialisation	2589	# initialisation and cleanup
2090		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
2091	sub reload() {	2646	sub do_reload_perl() {
2092	# can/must only be called in main	2647	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	2648	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	2649	warn "can only reload from main coroutine";
2095	return;	2650	return;
2096	}	2651	}
2097		2652
2098	warn "reloading...";	2653	warn "reloading...";
2099		2654
2100	my $guard = freeze_mainloop;	2655	warn "entering sync_job";
		2656
		2657	cf::sync_job {
		2658	cf::write_runtime; # external watchdog should not bark
2101	cf::emergency_save;	2659	cf::emergency_save;
		2660	cf::write_runtime; # external watchdog should not bark
2102		2661
2103	eval {	2662	warn "syncing database to disk";
		2663	BDB::db_env_txn_checkpoint $DB_ENV;
		2664
2104	# 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
2105		2666
2106	# cancel all watchers	2667	warn "cancelling all WF_AUTOCANCEL watchers";
2107	for (Event::all_watchers) {	2668	for (Event::all_watchers) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2109	}	2670	}
2110		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
2111	# cancel all extension coros	2683	warn "cancelling all extension coros";
2112	$_->cancel for values %EXT_CORO;	2684	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();	2685	%EXT_CORO = ();
2114		2686
2115	# unload all extensions	2687	warn "removing commands";
2116	for (@exts) {	2688	%COMMAND = ();
		2689
		2690	warn "removing ext commands";
		2691	%EXTCMD = ();
		2692
		2693	warn "unloading/nuking all extensions";
		2694	for my $pkg (@EXTS) {
2117	warn "unloading <$_>";	2695	warn "... unloading $pkg";
2118	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: $@";
2119	}	2702	}
2120		2703
		2704	warn "... nuking $pkg";
		2705	Symbol::delete_package $pkg;
		2706	}
		2707
2121	# unload all modules loaded from $LIBDIR	2708	warn "unloading all perl modules loaded from $LIBDIR";
2122	while (my ($k, $v) = each %INC) {	2709	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124		2711
2125	warn "removing <$k>";	2712	warn "... unloading $k";
2126	delete $INC{$k};	2713	delete $INC{$k};
2127		2714
2128	$k =~ s/\.pm$//;	2715	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;	2716	$k =~ s/\//::/g;
2130		2717
…		…
2133	}	2720	}
2134		2721
2135	Symbol::delete_package $k;	2722	Symbol::delete_package $k;
2136	}	2723	}
2137		2724
2138	# sync database to disk
2139	cf::db_sync;
2140	IO::AIO::flush;
2141
2142	# get rid of safe::, as good as possible	2725	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	2726	Symbol::delete_package "safe::$_"
2144	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);
2145		2728
2146	# remove register_script_function callbacks
2147	# TODO
2148
2149	# unload cf.pm "a bit"	2729	warn "unloading cf.pm \"a bit\"";
2150	delete $INC{"cf.pm"};	2730	delete $INC{"cf.pm"};
		2731	delete $INC{"cf/pod.pm"};
2151		2732
2152	# don't, removes xs symbols, too,	2733	# don't, removes xs symbols, too,
2153	# and global variables created in xs	2734	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	2735	#Symbol::delete_package __PACKAGE__;
2155		2736
2156	# reload cf.pm	2737	warn "unload completed, starting to reload now";
		2738
2157	warn "reloading cf.pm";	2739	warn "reloading cf.pm";
2158	require cf;	2740	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2160		2742
2161	# load config and database again	2743	warn "loading config and database again";
2162	cf::cfg_load;	2744	cf::cfg_load;
2163	cf::db_load;
2164		2745
2165	# load extensions
2166	warn "load extensions";	2746	warn "loading extensions";
2167	cf::load_extensions;	2747	cf::load_extensions;
2168		2748
2169	# reattach attachments to objects	2749	warn "reattaching attachments to objects/players";
2170	warn "reattach";	2750	_global_reattach; # objects, sockets
2171	_global_reattach;	2751	warn "reattaching attachments to maps";
2172	};	2752	reattach $_ for values %MAP;
		2753	warn "reattaching attachments to players";
		2754	reattach $_ for values %PLAYER;
2173		2755
2174	if ($@) {	2756	warn "leaving sync_job";
		2757
		2758	1
		2759	} or do {
2175	warn $@;	2760	warn $@;
2176	warn "error while reloading, exiting.";	2761	warn "error while reloading, exiting.";
2177	exit 1;	2762	exit 1;
2178	}	2763	};
2179		2764
2180	warn "reloaded successfully";	2765	warn "reloaded";
2181	};	2766	};
2182		2767
2183	#############################################################################	2768	our $RELOAD_WATCHER; # used only during reload
2184		2769
2185	unless ($LINK_MAP) {	2770	sub reload_perl() {
2186	$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.
2187		2773
2188	$LINK_MAP->width (41);	2774	$RELOAD_WATCHER ||= Event->timer (
2189	$LINK_MAP->height (41);	2775	reentrant => 0,
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,	2776	after => 0,
		2777	data => WF_AUTOCANCEL,
2198	cb => sub {	2778	cb => sub {
2199	$_[0]->w->cancel;	2779	do_reload_perl;
2200		2780	undef $RELOAD_WATCHER;
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});	2781	},
2219		2782	);
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	2783	}
2225
2226	register "<global>", __PACKAGE__;
2227		2784
2228	register_command "reload" => sub {	2785	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	2786	my ($who, $arg) = @_;
2230		2787
2231	if ($who->flag (FLAG_WIZ)) {	2788	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	2789	$who->message ("reloading server.");
		2790	async { reload_perl };
2235	}	2791	}
2236	};	2792	};
2237		2793
2238	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	}
2239		2818
2240	$TICK_WATCHER = Event->timer (	2819	$TICK_WATCHER = Event->timer (
2241	reentrant => 0,	2820	reentrant => 0,
		2821	parked => 1,
2242	prio => 0,	2822	prio => 0,
2243	at => $NEXT_TICK || $TICK,	2823	at => $NEXT_TICK || $TICK,
2244	data => WF_AUTOCANCEL,	2824	data => WF_AUTOCANCEL,
2245	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
2246	cf::server_tick; # one server iteration	2834	cf::server_tick; # one server iteration
		2835
2247	$RUNTIME += $TICK;	2836	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;	2837	$NEXT_TICK += $TICK;
2249		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
2250	# 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
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		2852
2253	$TICK_WATCHER->at ($NEXT_TICK);	2853	$TICK_WATCHER->at ($NEXT_TICK);
2254	$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;
2255	},	2864	},
2256	);	2865	);
2257		2866
		2867	{
2258	IO::AIO::max_poll_time $TICK * 0.2;	2868	BDB::max_poll_time $TICK * 0.1;
2259		2869	$BDB_POLL_WATCHER = Event->io (
2260	Event->io (	2870	reentrant => 0,
2261	fd => IO::AIO::poll_fileno,	2871	fd => BDB::poll_fileno,
2262	poll => 'r',	2872	poll => 'r',
2263	prio => 5,	2873	prio => 0,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,	2874	data => WF_AUTOCANCEL,
2270	after => 0,	2875	cb => \&BDB::poll_cb,
2271	interval => 10,	2876	);
2272	cb => sub {	2877	BDB::min_parallel 8;
2273	(Coro::unblock_sub {	2878
2274	write_runtime	2879	BDB::set_sync_prepare {
2275	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 $@;
2276	})->();	2913	};
2277	},	2914	}
2278	);	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;
2279		2972
2280	END { cf::emergency_save }	2973	END { cf::emergency_save }
2281		2974
2282	1	2975	1
2283		2976

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