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Revision 1.394 by root, Thu Nov 8 19:43:25 2007 UTC vs.
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
15	use Coro 4.1 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.51 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		69
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
52	our %COMMAND = ();	74	our %COMMAND = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
60		82
61	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
62	our @EVENT;	84	our @EVENT;
63		85
64	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	87	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
75		101
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	104	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		106
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	107	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	108	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	110	our $DB_ENV;
89		111
90	our %CFG;	112	our %CFG;
91		113
92	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
94		117
95	our (%PLAYER, %PLAYER_LOADING); # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
98		121
99	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		124
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
105		129
106	binmode STDOUT;	130	binmode STDOUT;
107	binmode STDERR;	131	binmode STDERR;
108		132
109	# read virtual server time, if available	133	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
114	}	138	}
115		139
116	mkdir $_	140	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		186
163	The raw value load value from the last tick.	187	The raw value load value from the last tick.
164		188
165	=item %cf::CFG	189	=item %cf::CFG
166		190
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	192	from wherever your confdir points to.
169		193
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		195
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		218
195	LOG llevError, $msg;	219	LOG llevError, $msg;
196	};	220	};
197	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
198		237
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	248	for my $pkg (qw(
210	cf::global cf::attachable	249	cf::global cf::attachable
211	cf::object cf::object::player	250	cf::object cf::object::player
212	cf::client cf::player	251	cf::client cf::player
213	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
214	cf::map cf::party cf::region	254	cf::party cf::region
215	)) {	255	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	257	}
219		258
220	$Event::DIED = sub {	259	$EV::DIED = sub {
221	warn "error in event callback: @_";	260	warn "error in event callback: @_";
222	};	261	};
223		262
224	#############################################################################	263	#############################################################################
225		264
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	288	$d
250	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
251	}	290	}
252		291
253	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
254		293
255	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
256		295
257	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
258		297
259	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
260		299
261	=cut	300	=cut
262		301
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		303
265	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
267		306
268	=item cf::lock_wait $string	307	=item cf::lock_wait $string
269		308
270	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
271		310
…		…
327		366
328	! ! $LOCK{$key}	367	! ! $LOCK{$key}
329	}	368	}
330		369
331	sub freeze_mainloop {	370	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
333		372
334	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	374	}
336	};	375
337	$TICK_WATCHER->stop;	376	=item cf::periodic $interval, $cb
338	$guard	377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
339	}	389	}
340		390
341	=item cf::get_slot $time[, $priority[, $name]]	391	=item cf::get_slot $time[, $priority[, $name]]
342		392
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	433	}
384	}	434	}
385	};	435	};
386		436
387	sub get_slot($;$$) {	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
388	my ($time, $pri, $name) = @_;	440	my ($time, $pri, $name) = @_;
389		441
390	$time = $TICK * .6 if $time > $TICK * .6;	442	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	443	my $sig = new Coro::Signal;
392		444
…		…
422		474
423	sub sync_job(&) {	475	sub sync_job(&) {
424	my ($job) = @_;	476	my ($job) = @_;
425		477
426	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	479	my $time = EV::time;
428		480
429	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
431		483
432	LOG llevError, Carp::longmess "sync job";#d#	484	LOG llevError, Carp::longmess "sync job";#d#
433		485
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
437		487
438	my $busy = 1;	488	my $busy = 1;
439	my @res;	489	my @res;
440		490
…		…
447		497
448	while ($busy) {	498	while ($busy) {
449	if (Coro::nready) {	499	if (Coro::nready) {
450	Coro::cede_notself;	500	Coro::cede_notself;
451	} else {	501	} else {
452	Event::one_event;	502	EV::loop EV::LOOP_ONESHOT;
453	}	503	}
454	}	504	}
455		505
456	$time = Event::time - $time;	506	my $time = EV::time - $time;
457		507
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	508	$TICK_START += $time; # do not account sync jobs to server load
462		509
463	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
464	} else {	511	} else {
465	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
466		513
…		…
491	=item fork_call { }, $args	538	=item fork_call { }, $args
492		539
493	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
497		544
498	=cut	545	=cut
499		546
500	sub fork_call(&@) {	547	sub fork_call(&@) {
501	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
…		…
508	reset_signals;	555	reset_signals;
509	&$cb	556	&$cb
510	}, @args;	557	}, @args;
511		558
512	wantarray ? @res : $res[-1]	559	wantarray ? @res : $res[-1]
		560	}
		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
513	}	587	}
514		588
515	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
516		590
517	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
656		730
657	#############################################################################	731	#############################################################################
658		732
659	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
660		734
661	Many objects in crossfire are so-called attachable objects. That means you can	735	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
664		738
665	In the following description, CLASS can be any of C<global>, C<object>	739	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
716	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
717		791
718	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
720		794
721	Some classes such as crossfire maps and objects can specify attachments	795	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	796	that are attached at load/instantiate time, thus the need for a name.
723		797
724	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
725		799
726	=over 4	800	=over 4
…		…
954	}	1028	}
955		1029
956	0	1030	0
957	}	1031	}
958		1032
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1034
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1036
963	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
964		1038
…		…
1017		1091
1018	sub reattach {	1092	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1094	my ($obj) = @_;
1021		1095
		1096	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1098
1024	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
1025		1100
1026	@$registry = ();	1101	@$registry = ();
1027		1102
…		…
1042	cf::attachable->attach (	1117	cf::attachable->attach (
1043	prio => -1000000,	1118	prio => -1000000,
1044	on_instantiate => sub {	1119	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
1046		1121
1047	$data = from_json $data;	1122	$data = decode_json $data;
1048		1123
1049	for (@$data) {	1124	for (@$data) {
1050	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
1051		1126
1052	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1148	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
1076		1151
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1156	aio_close $fh;
1082		1157
1083	if (@$objs) {	1158	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1164	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1166	}
1092	} else {	1167	} else {
1093	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1094	}	1169	}
…		…
1263		1338
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1341
1267	$ext{source} =	1342	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1270	. $source	1345	. $source
1271	. "\n};\n1";	1346	. "\n};\n1";
1272		1347
1273	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1291		1366
1292	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1368	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1370	}
1297		1371
1298	warn $msg;	1372	warn $msg;
1299	}	1373	}
1300		1374
…		…
1314		1388
1315	=back	1389	=back
1316		1390
1317	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
1318		1392
1319	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
1320		1394
1321	=cut	1395	=cut
1322		1396
1323	package cf::player;	1397	package cf::player;
1324		1398
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1463	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1464	or return;
1391		1465
1392	my $pl = cf::player::load_pl $f	1466	my $pl = cf::player::load_pl $f
1393	or return;	1467	or return;
		1468
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1469	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1470	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1397	}	1472	}
1398	}	1473	}
…		…
1408		1483
1409	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1410		1485
1411	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
		1488
		1489	cf::get_slot 0.01;
1413		1490
1414	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1492	cf::cede_to_tick;
1416	}	1493	}
1417		1494
…		…
1449	my ($pl) = @_;	1526	my ($pl) = @_;
1450		1527
1451	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1452		1529
1453	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1532
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1460		1539
1461	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1580
1502	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
1503	my $path = path $login;	1582	my $path = path $login;
1504		1583
1505	# a .pst is a dead give-away for a valid player	1584	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1590	}
1511		1591
…		…
1542	}	1622	}
1543		1623
1544	\@paths	1624	\@paths
1545	}	1625	}
1546		1626
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1628
1549	Expand crossfire pod fragments into protocol xml.	1629	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1630
1640	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1641		1632
1642	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1643		1634
…		…
1710	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1712		1703
1713	sub generate_random_map {	1704	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1715	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1716	$self->_create_random_map (	1710	$self->_create_random_map (
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1841		1835
1842	# the temporary/swap location	1836	# the temporary/swap location
1843	sub save_path {	1837	sub save_path {
1844	my ($self) = @_;	1838	my ($self) = @_;
1845		1839
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1848	}	1842	}
1849		1843
1850	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1851	sub uniq_path {	1845	sub uniq_path {
1852	my ($self) = @_;	1846	my ($self) = @_;
1853		1847
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1856	}	1850	}
1857		1851
1858	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1859	# all maps in C++...	1853	# all maps in C++...
…		…
1957		1951
1958	cf::lock_wait "map_data:$path";#d#remove	1952	cf::lock_wait "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1960		1954
1961	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1957	my $guard2 = cf::lock_acquire "map_find:$path";
1964		1958
1965	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1966	or return;	1960	or return;
1967		1961
1968	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
…		…
1971	or return;	1965	or return;
1972		1966
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
1976	undef $guard1;	1971	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	1972	$map->reset;
1979	return find $path;	1973	return find $path;
1980	}	1974	}
1981		1975
1982	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
…		…
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2004	$f->skip_block;
2011	$self->_load_objects ($f)	2005	$self->_load_objects ($f)
2012	or return;	2006	or return;
2013		2007
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
2015	if delete $self->{load_original};	2009	if delete $self->{load_original};
2016		2010
2017	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2012	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2013	unless (aio_stat $uniq) {
…		…
2045	}	2039	}
2046		2040
2047	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
2049		2043
2050	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
2051	}	2045	}
2052		2046
2053	$self->post_load;	2047	$self->post_load;
2054	}	2048	}
2055		2049
…		…
2113	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
2114		2108
2115	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
2116		2110
2117	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2119	}	2113	}
2120		2114
2121	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
2122		2116
2123	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
…		…
2160	cf::async {	2154	cf::async {
2161	$Coro::current->{desc} = "map player save";	2155	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2163	};	2157	};
2164		2158
		2159	cf::get_slot 0.02;
		2160
2165	if ($uniq) {	2161	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2164	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2177	$self->save;	2173	$self->save;
2178		2174
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2176
2181	return if $self->players;	2177	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2183	return if $self->{deny_save};	2179	return if $self->{deny_save};
2184		2180
2185	$self->in_memory (cf::MAP_SWAPPED);	2181	$self->in_memory (cf::MAP_SWAPPED);
2186		2182
2187	$self->deactivate;	2183	$self->deactivate;
…		…
2305		2301
2306	sub unique_maps() {	2302	sub unique_maps() {
2307	[	2303	[
2308	map {	2304	map {
2309	utf8::decode $_;	2305	utf8::decode $_;
2310	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2311	? normalise $_	2309	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2311	]
2315	}	2312	}
2316		2313
2317	package cf;
2318
2319	=back	2314	=back
2320		2315
2321	=head3 cf::object	2316	=head3 cf::object
2322		2317
2323	=cut	2318	=cut
…		…
2326		2321
2327	=over 4	2322	=over 4
2328		2323
2329	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2330		2325
2331	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2332		2328
2333	=cut	2329	=cut
2334		2330
2335	sub inv_recursive_;	2331	sub inv_recursive_;
2336	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2342	}	2338	}
2343		2339
2344	=item $ref = $ob->ref	2340	=item $ref = $ob->ref
2345		2341
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2342	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2343
2348	=item $ob = cf::object::deref ($refstring)	2344	=item $ob = cf::object::deref ($refstring)
2349		2345
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2347	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2385		2381
2386	=cut	2382	=cut
2387		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
		2397
2388	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2399	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2402	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2415
2406	} else {	2416	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2419	}
2410	}	2420	}
2411	}	2421	}
2412		2422
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2448
2439	=item $player_object->enter_link	2449	=item $player_object->enter_link
2440		2450
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2452
2443	The player should be reasonably safe there for short amounts of time. You	2453	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2445		2457
2446	Will never block.	2458	Will never block.
2447		2459
2448	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2449		2461
…		…
2507		2519
2508	$map->load;	2520	$map->load;
2509	$map->load_neighbours;	2521	$map->load_neighbours;
2510		2522
2511	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2512	$self->activate_recursive;	2525	$self->activate_recursive;
2513		2526
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2516	}	2529	}
…		…
2520	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2536	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
2525		2541
2526	=cut	2542	=cut
2527		2543
2528	our $GOTOGEN;	2544	our $GOTOGEN;
2529		2545
…		…
2608	}	2624	}
2609		2625
2610	sub prepare_random_map {	2626	sub prepare_random_map {
2611	my ($exit) = @_;	2627	my ($exit) = @_;
2612		2628
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2631	# that depends on the exit object
2618		2632
2619	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2635	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2626	}	2642	}
2627		2643
2628	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2629		2645
2630	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2633		2649
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2652	undef $fh;
2637	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2638		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2641	}	2661	}
2642	}	2662	}
2643		2663
2644	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2646		2666
2647	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2648		2668
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2669	$self->enter_link;
2661		2670
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2671	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2672	$Coro::current->{desc} = "enter_exit";
2668		2673
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2671	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2672		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2673	1;	2695	1
2674	}) {	2696	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2701
2680	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2758	id => "infobox",	2780	id => "infobox",
2759	title => "Map Info",	2781	title => "Map Info",
2760	reply => undef,	2782	reply => undef,
2761	tooltip => "Information related to the maps",	2783	tooltip => "Information related to the maps",
2762	},	2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
2763	);	2791	);
2764		2792
2765	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2767		2795
2768	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
2769		2798
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		2800
2772	# check predefined channels, for the benefit of C	2801	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	2802	if ($CHANNEL{$channel}) {
…		…
2794	if ($self->can_msg) {	2823	if ($self->can_msg) {
2795	# default colour, mask it out	2824	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	2826	if $color & cf::NDI_DEF;
2798		2827
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
2801	} else {	2844	} else {
2802	if ($color >= 0) {	2845	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones	2846	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {	2847	for ($msg) {
2805	1 while	2848	1 while
…		…
3004		3047
3005	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
3006		3049
3007	cf::object	3050	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3051	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3052	insert remove name archname title slaying race decrease split
3010		3053
3011	cf::object::player	3054	cf::object::player
3012	player	3055	player
3013		3056
3014	cf::player	3057	cf::player
…		…
3019		3062
3020	=cut	3063	=cut
3021		3064
3022	for (	3065	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3067	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3068	decrease split destroy change_exp)],
3026	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
3028	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
3029	) {	3072	) {
3030	no strict 'refs';	3073	no strict 'refs';
…		…
3135	{	3178	{
3136	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
3137		3180
3138	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
3140	cf::face::set_visibility $idx, $info->{visibility};	3184	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3185	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144		3188
3145	cf::cede_to_tick;	3189	cf::cede_to_tick;
3146	}	3190	}
3147		3191
3148	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
3150	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
3151	or next;	3196	or next;
		3197
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3199	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3201	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3174	{	3220	{
3175	# TODO: for gcfclient pleasure, we should give resources	3221	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.	3222	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3223	my $res = $facedata->{resource};
3178		3224
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;	3228	my $data;
3184		3229
3185	if ($info->{type} & 1) {	3230	if ($info->{type} & 1) {
3186	# prepend meta info	3231	# prepend meta info
3187		3232
3188	my $meta = $enc->encode ({	3233	my $meta = $enc->encode ({
3189	name => $name,	3234	name => $name,
3190	%{ $info->{meta} || {} },	3235	%{ $info->{meta} || {} },
3191	});	3236	});
3192		3237
3193	$data = pack "(w/a*)*", $meta, $info->{data};	3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
3194	} else {	3245	} else {
3195	$data = $info->{data};	3246	$RESOURCE{$name} = $info;
3196	}	3247	}
3197		3248
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3249	cf::cede_to_tick;
3202	}	3250	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3254
3223	1	3255	1
3224	}	3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
3225		3277
3226	register_exticmd fx_want => sub {	3278	register_exticmd fx_want => sub {
3227	my ($ns, $want) = @_;	3279	my ($ns, $want) = @_;
3228		3280
3229	while (my ($k, $v) = each %$want) {	3281	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3282	$ns->fx_want ($k, $v);
3231	}	3283	}
3232	};	3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
3233		3295
3234	sub reload_regions {	3296	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3297	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3298	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3299	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3313	}
3252		3314
3253	sub reload_archetypes {	3315	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3316	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3317	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3318	}
3262		3319
3263	sub reload_treasures {	3320	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3321	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
3266	}	3323	}
3267		3324
3268	sub reload_resources {	3325	sub reload_resources {
3269	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
3270		3327
		3328	reload_facedata;
		3329	reload_archetypes;
3271	reload_regions;	3330	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3331	reload_treasures;
3276		3332
3277	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
3278	}	3334	}
3279		3335
3280	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
3281	reload_resources;	3341	reload_resources;
3282	}	3342	}
3283		3343
3284	sub reload_config {	3344	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
3286	or return;	3346	or return;
3287		3347
3288	local $/;	3348	local $/;
3289	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
3290		3350
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292		3352
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3300	};	3360	};
3301	warn $@ if $@;	3361	warn $@ if $@;
3302	}	3362	}
3303	}	3363	}
3304		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
3305	sub main {	3384	sub main {
		3385	atomic;
		3386
3306	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3390	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3392	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
3313	};	3394	};
3314		3395
		3396	{
		3397	my $guard = freeze_mainloop;
3315	reload_config;	3398	reload_config;
3316	db_init;	3399	db_init;
3317	load_extensions;	3400	load_extensions;
3318		3401
3319	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
3320	Event::loop;	3410	EV::loop;
3321	}	3411	}
3322		3412
3323	#############################################################################	3413	#############################################################################
3324	# initialisation and cleanup	3414	# initialisation and cleanup
3325		3415
3326	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
3327	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3421	cf::cleanup "SIG$signal";
3336	},
3337	);	3422	};
3338	}	3423	}
3339	}	3424	}
3340		3425
3341	sub write_runtime {	3426	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";
3343
3344	# first touch the runtime file to show we are still running:	3427	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3428	# the fsync below can take a very very long time.
3346		3429
3347	IO::AIO::aio_utime $runtime, undef, undef;	3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3431
3349	my $guard = cf::lock_acquire "write_runtime";	3432	my $guard = cf::lock_acquire "write_runtime";
3350		3433
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3352	or return;	3435	or return;
3353		3436
3354	my $value = $cf::RUNTIME + 90 + 10;	3437	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3438	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3439	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3449	aio_utime $fh, undef, undef;
3367		3450
3368	close $fh	3451	close $fh
3369	or return;	3452	or return;
3370		3453
3371	aio_rename "$runtime~", $runtime	3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3455	and return;
3373		3456
3374	warn "runtime file written.\n";	3457	warn "runtime file written.\n";
3375		3458
3376	1	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
3377	}	3503	}
3378		3504
3379	sub emergency_save() {	3505	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
3381		3507
…		…
3403	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
3404		3530
3405	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
3408	};	3538	};
3409		3539
3410	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
3411	}	3541	}
3412		3542
3413	sub post_cleanup {	3543	sub post_cleanup {
3414	my ($make_core) = @_;	3544	my ($make_core) = @_;
3415		3545
3416	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
3418	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
3419		3580
3420	sub do_reload_perl() {	3581	sub do_reload_perl() {
3421	# can/must only be called in main	3582	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
3423	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
3424	return;	3585	return;
3425	}	3586	}
3426		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
3427	warn "reloading...";	3591	warn "reloading...";
3428		3592
3429	warn "entering sync_job";	3593	warn "entering sync_job";
3430		3594
3431	cf::sync_job {	3595	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
3433	cf::emergency_save;	3597	cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
3435		3599
3436	warn "syncing database to disk";	3600	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
3438		3602
3439	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
3440		3604
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
3452	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();
3460
3461	warn "removing commands";
3462	%COMMAND = ();
3463
3464	warn "removing ext/exti commands";
3465	%EXTCMD = ();
3466	%EXTICMD = ();
3467
3468	warn "unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";
3471
3472	if (my $cb = $pkg->can ("unload")) {
3473	eval {
3474	$cb->($pkg);
3475	1
3476	} or warn "$pkg unloaded, but with errors: $@";
3477	}	3608	}
3478		3609
3479	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
3480	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
3481	}	3612	%EXT_CORO = ();
3482		3613
3483	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
3484	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
3487	warn "... unloading $k";	3623	warn "... unloading $pkg";
3488	delete $INC{$k};
3489		3624
3490	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;
3492
3493	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
3494	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
3495	}	3634	}
3496		3635
3497	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
3498	}	3651	}
3499		3652
3500	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		3656
3504	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
3507		3660
3508	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
3509	# and global variables created in xs	3662	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
3511		3664
3512	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
3513		3666
3514	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3515	require cf;	3668	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3517		3670
3518	warn "loading config and database again";	3671	warn "loading config and database again";
3519	cf::reload_config;	3672	cf::reload_config;
3520		3673
3521	warn "loading extensions";	3674	warn "loading extensions";
3522	cf::load_extensions;	3675	cf::load_extensions;
3523		3676
3524	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
3527	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
3530		3683
3531	warn "leaving sync_job";	3684	warn "leaving sync_job";
3532		3685
3533	1	3686	1
3534	} or do {	3687	} or do {
3535	warn $@;	3688	warn $@;
3536	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3537	exit 1;
3538	};	3690	};
3539		3691
3540	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
3541	};	3695	};
3542		3696
3543	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
3544		3698
3545	sub reload_perl() {	3699	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
3548		3702
3549	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3550	reentrant => 0,
3551	after => 0,
3552	data => WF_AUTOCANCEL,
3553	cb => sub {
3554	do_reload_perl;	3704	do_reload_perl;
3555	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
3556	},
3557	);	3706	};
3558	}	3707	}
3559		3708
3560	register_command "reload" => sub {	3709	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
3562		3711
…		…
3575		3724
3576	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
3578		3727
3579	sub wait_for_tick {	3728	sub wait_for_tick {
3580	return unless $TICK_WATCHER->is_active;
3581	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
3582		3730
3583	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
3584	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;	3733	$signal->wait;
3586	}	3734	}
3587		3735
3588	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
3589	return unless $TICK_WATCHER->is_active;
3590	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3591		3738
3592	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	3741	$signal->wait;
3595	}	3742	}
3596		3743
3597	$TICK_WATCHER = Event->timer (	3744	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
3607	return;	3748	return;
3608	}	3749	}
3609		3750
3610	$NOW = $tick_start = Event::time;
3611
3612	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
3613		3752
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	3755	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3756	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3757	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
3623	};
3624	}	3759	};
		3760	}
3625		3761
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	3763	$sig->send;
3628	}	3764	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3766	$sig->send;
3631	}	3767	}
3632		3768
3633	$NOW = Event::time;	3769	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		3771
3644	_post_tick;	3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
3645	},	3778	}
3646	);	3779	}
3647		3780
3648	{	3781	{
		3782	# configure BDB
		3783
3649	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
3650	BDB::max_poll_time $TICK * 0.1;	3785	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	3786	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		3787
3675	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		3795
3682	cf::sync_job {	3796	cf::sync_job {
3683	eval {	3797	eval {
…		…
3693		3807
3694	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	3809	};
3696	}	3810	}
3697		3811
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	3812	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	3814	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	3815	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	3817	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	3820	};
3728	}	3821	}
3729		3822
3730	{	3823	{
		3824	# configure IO::AIO
		3825
3731	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	3828	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	3829	}
3744		3830
3745	my $_log_backtrace;	3831	my $_log_backtrace;
3746		3832
3747	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
3750	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
3751		3837
3752	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
3754	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
3755	async {	3842	async {
3756	$Coro::current->{desc} = "abt $msg";	3843	$Coro::current->{desc} = "abt $msg";
3757		3844
3758	my @bt = fork_call {	3845	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	3857	}
3771		3858
3772	@funcs	3859	@funcs
3773	};	3860	};
3774		3861
3775	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	3865	--$_log_backtrace;
3778	};	3866	};
3779	} else {	3867	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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