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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.445 by root, Wed Sep 10 18:18:10 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
…		…
406		458
407	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
408		460
409	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
410		462
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	464	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	466	acceptable.
415		467
416	If it must be done, put the blocking parts into C<sync_job>. This will run	468	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
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.
…		…
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
667	Crossfire TRT).	741	Deliantra).
668		742
669	=over 4	743	=over 4
670		744
671	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
672		746
…		…
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
…		…
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
…		…
1546		1626
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548		1628
1549	Expand crossfire pod fragments into protocol xml.	1629	Expand crossfire pod fragments into protocol xml.
1550		1630
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597
1598	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1599		1632
1600	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1601		1634
1602	=cut	1635	=cut
…		…
1668	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1670		1703
1671	sub generate_random_map {	1704	sub generate_random_map {
1672	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
1673	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1674	$self->_create_random_map (	1710	$self->_create_random_map (
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1799		1835
1800	# the temporary/swap location	1836	# the temporary/swap location
1801	sub save_path {	1837	sub save_path {
1802	my ($self) = @_;	1838	my ($self) = @_;
1803		1839
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1806	}	1842	}
1807		1843
1808	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1809	sub uniq_path {	1845	sub uniq_path {
1810	my ($self) = @_;	1846	my ($self) = @_;
1811		1847
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1814	}	1850	}
1815		1851
1816	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1817	# all maps in C++...	1853	# all maps in C++...
…		…
1915		1951
1916	cf::lock_wait "map_data:$path";#d#remove	1952	cf::lock_wait "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1918		1954
1919	$cf::MAP{$path} || do {	1955	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	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";
1922		1958
1923	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1924	or return;	1960	or return;
1925		1961
1926	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
…		…
1929	or return;	1965	or return;
1930		1966
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
1934	undef $guard1;	1971	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	1972	$map->reset;
1937	return find $path;	1973	return find $path;
1938	}	1974	}
1939		1975
1940	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
…		…
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2004	$f->skip_block;
1969	$self->_load_objects ($f)	2005	$self->_load_objects ($f)
1970	or return;	2006	or return;
1971		2007
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1973	if delete $self->{load_original};	2009	if delete $self->{load_original};
1974		2010
1975	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2012	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2013	unless (aio_stat $uniq) {
…		…
2003	}	2039	}
2004		2040
2005	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
2007		2043
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2045	}
2010		2046
2011	$self->post_load;	2047	$self->post_load;
2012	}	2048	}
2013		2049
…		…
2071	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
2072		2108
2073	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
2074		2110
2075	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2113	}
2078		2114
2079	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
2080		2116
2081	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
…		…
2118	cf::async {	2154	cf::async {
2119	$Coro::current->{desc} = "map player save";	2155	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2121	};	2157	};
2122		2158
		2159	cf::get_slot 0.02;
		2160
2123	if ($uniq) {	2161	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2164	} else {
2127	$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);
…		…
2135	$self->save;	2173	$self->save;
2136		2174
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2176
2139	return if $self->players;	2177	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2141	return if $self->{deny_save};	2179	return if $self->{deny_save};
2142		2180
2143	$self->in_memory (cf::MAP_SWAPPED);	2181	$self->in_memory (cf::MAP_SWAPPED);
2144		2182
2145	$self->deactivate;	2183	$self->deactivate;
…		…
2263		2301
2264	sub unique_maps() {	2302	sub unique_maps() {
2265	[	2303	[
2266	map {	2304	map {
2267	utf8::decode $_;	2305	utf8::decode $_;
2268	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2269	? normalise $_	2309	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2311	]
2273	}	2312	}
2274		2313
2275	package cf;
2276
2277	=back	2314	=back
2278		2315
2279	=head3 cf::object	2316	=head3 cf::object
2280		2317
2281	=cut	2318	=cut
…		…
2284		2321
2285	=over 4	2322	=over 4
2286		2323
2287	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2288		2325
2289	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.
2290		2328
2291	=cut	2329	=cut
2292		2330
2293	sub inv_recursive_;	2331	sub inv_recursive_;
2294	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2300	}	2338	}
2301		2339
2302	=item $ref = $ob->ref	2340	=item $ref = $ob->ref
2303		2341
2304	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.
2305		2343
2306	=item $ob = cf::object::deref ($refstring)	2344	=item $ob = cf::object::deref ($refstring)
2307		2345
2308	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,
2309	even if the object actually exists. May block.	2347	even if the object actually exists. May block.
…		…
2341	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
2342	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2343		2381
2344	=cut	2382	=cut
2345		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
2346	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2399	# with dialog boxes.
2348	#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
2349	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2402	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2362	$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));
2363		2415
2364	} else {	2416	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2419	}
2368	}	2420	}
2369	}	2421	}
2370		2422
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2478	Moves the player to the given map-path and coordinates by first freezing	2530	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2531	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2532	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2533	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2534	be called at the end of this process.
		2535
		2536	Note that $check will be called with a potentially non-loaded map, so if
		2537	it needs a loaded map it has to call C<< ->load >>.
2483		2538
2484	=cut	2539	=cut
2485		2540
2486	our $GOTOGEN;	2541	our $GOTOGEN;
2487		2542
…		…
2566	}	2621	}
2567		2622
2568	sub prepare_random_map {	2623	sub prepare_random_map {
2569	my ($exit) = @_;	2624	my ($exit) = @_;
2570		2625
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2626	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2627	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2628	# that depends on the exit object
2576		2629
2577	my $rmp = parse_random_map_params $exit->msg;	2630	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2632	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2633	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2634	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2635	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2636	$rmp->{origin_y} = $exit->y;
		2637
		2638	$exit->map->touch;
2584	}	2639	}
2585		2640
2586	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
2587		2642
2588	my $data = cf::to_json $rmp;	2643	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
2591		2646
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2649	undef $fh;
2595	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
2596		2651
		2652	my $slaying = "?random/$md5";
		2653
		2654	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2655	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2656	$exit->msg (undef);
		2657	}
2599	}	2658	}
2600	}	2659	}
2601		2660
2602	sub cf::object::player::enter_exit {	2661	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2662	my ($self, $exit) = @_;
2604		2663
2605	return unless $self->type == cf::PLAYER;	2664	return unless $self->type == cf::PLAYER;
2606		2665
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2666	$self->enter_link;
2619		2667
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2668	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2669	$Coro::current->{desc} = "enter_exit";
2626		2670
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2671	unless (eval {
		2672	$self->deactivate_recursive; # just to be sure
		2673
		2674	# random map handling
		2675	{
		2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2677
		2678	prepare_random_map $exit
		2679	if $exit->slaying eq "/!";
		2680	}
		2681
		2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2683	my $x = $exit->stats->hp;
		2684	my $y = $exit->stats->sp;
		2685
2629	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($map, $x, $y);
2630		2687
		2688	# if exit is damned, update players death & WoR home-position
		2689	$self->contr->savebed ($map, $x, $y)
		2690	if $exit->flag (cf::FLAG_DAMNED);
		2691
2631	1;	2692	1
2632	}) {	2693	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2694	$self->message ("Something went wrong deep within the crossfire server. "
2634	. "I'll try to bring you back to the map you were before. "	2695	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2696	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2697	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	2727	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	2728	the message unless the client supports the msg packet.
2668		2729
2669	=cut	2730	=cut
2670		2731
		2732	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	2733	our %CHANNEL = (
2672	"c/identify" => {	2734	"c/identify" => {
2673	id => "infobox",	2735	id => "infobox",
2674	title => "Identify",	2736	title => "Identify",
2675	reply => undef,	2737	reply => undef,
…		…
2691	id => "infobox",	2753	id => "infobox",
2692	title => "Look",	2754	title => "Look",
2693	reply => undef,	2755	reply => undef,
2694	tooltip => "What you saw there",	2756	tooltip => "What you saw there",
2695	},	2757	},
		2758	"c/who" => {
		2759	id => "infobox",
		2760	title => "Players",
		2761	reply => undef,
		2762	tooltip => "Shows players who are currently online",
		2763	},
		2764	"c/body" => {
		2765	id => "infobox",
		2766	title => "Body Parts",
		2767	reply => undef,
		2768	tooltip => "Shows which body parts you posess and are available",
		2769	},
		2770	"c/uptime" => {
		2771	id => "infobox",
		2772	title => "Uptime",
		2773	reply => undef,
		2774	tooltip => "How long the server has been running since last restart",
		2775	},
		2776	"c/mapinfo" => {
		2777	id => "infobox",
		2778	title => "Map Info",
		2779	reply => undef,
		2780	tooltip => "Information related to the maps",
		2781	},
		2782	"c/party" => {
		2783	id => "party",
		2784	title => "Party",
		2785	reply => "gsay ",
		2786	tooltip => "Messages and chat related to your party",
		2787	},
2696	);	2788	);
2697		2789
2698	sub cf::client::send_msg {	2790	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	2791	my ($self, $channel, $msg, $color, @extra) = @_;
2700		2792
…		…
2727	if ($self->can_msg) {	2819	if ($self->can_msg) {
2728	# default colour, mask it out	2820	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	2822	if $color & cf::NDI_DEF;
2731		2823
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	2824	my $pkt = "msg "
		2825	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2827	);
		2828
		2829	# try lzf for large packets
		2830	$pkt = "lzf " . Compress::LZF::compress $pkt
		2831	if 1024 <= length $pkt and $self->{can_lzf};
		2832
		2833	# split very large packets
		2834	if (8192 < length $pkt and $self->{can_lzf}) {
		2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2836	$pkt = "frag";
		2837	}
		2838
		2839	$self->send_packet ($pkt);
2734	} else {	2840	} else {
2735	if ($color >= 0) {	2841	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones	2842	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {	2843	for ($msg) {
2738	1 while	2844	1 while
…		…
2937		3043
2938	The following functions and methods are available within a safe environment:	3044	The following functions and methods are available within a safe environment:
2939		3045
2940	cf::object	3046	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3047	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3048	insert remove name archname title slaying race decrease split
2943		3049
2944	cf::object::player	3050	cf::object::player
2945	player	3051	player
2946		3052
2947	cf::player	3053	cf::player
…		…
2952		3058
2953	=cut	3059	=cut
2954		3060
2955	for (	3061	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3063	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3064	decrease split destroy change_exp)],
2959	["cf::object::player" => qw(player)],	3065	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3066	["cf::player" => qw(peaceful)],
2961	["cf::map" => qw(trigger)],	3067	["cf::map" => qw(trigger)],
2962	) {	3068	) {
2963	no strict 'refs';	3069	no strict 'refs';
…		…
3068	{	3174	{
3069	my $faces = $facedata->{faceinfo};	3175	my $faces = $facedata->{faceinfo};
3070		3176
3071	while (my ($face, $info) = each %$faces) {	3177	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3179
3073	cf::face::set_visibility $idx, $info->{visibility};	3180	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3181	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3077		3184
3078	cf::cede_to_tick;	3185	cf::cede_to_tick;
3079	}	3186	}
3080		3187
3081	while (my ($face, $info) = each %$faces) {	3188	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3189	next unless $info->{smooth};
		3190
3083	my $idx = cf::face::find $face	3191	my $idx = cf::face::find $face
3084	or next;	3192	or next;
		3193
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3194	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3195	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3197	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3198	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3107	{	3216	{
3108	# TODO: for gcfclient pleasure, we should give resources	3217	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.	3218	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3219	my $res = $facedata->{resource};
3111		3220
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3221	while (my ($name, $info) = each %$res) {
		3222	if (defined $info->{type}) {
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;	3224	my $data;
3117		3225
3118	if ($info->{type} & 1) {	3226	if ($info->{type} & 1) {
3119	# prepend meta info	3227	# prepend meta info
3120		3228
3121	my $meta = $enc->encode ({	3229	my $meta = $enc->encode ({
3122	name => $name,	3230	name => $name,
3123	%{ $info->{meta} || {} },	3231	%{ $info->{meta} || {} },
3124	});	3232	});
3125		3233
3126	$data = pack "(w/a*)*", $meta, $info->{data};	3234	$data = pack "(w/a*)*", $meta, $info->{data};
		3235	} else {
		3236	$data = $info->{data};
		3237	}
		3238
		3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3240	cf::face::set_type $idx, $info->{type};
3127	} else {	3241	} else {
3128	$data = $info->{data};	3242	$RESOURCE{$name} = $info;
3129	}	3243	}
3130		3244
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3245	cf::cede_to_tick;
3135	}	3246	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3247	}
		3248
		3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3250
3156	1	3251	1
3157	}	3252	}
		3253
		3254	cf::global->attach (on_resource_update => sub {
		3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3257
		3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3259	my $sound = $soundconf->{compat}[$_]
		3260	or next;
		3261
		3262	my $face = cf::face::find "sound/$sound->[1]";
		3263	cf::sound::set $sound->[0] => $face;
		3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3265	}
		3266
		3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3268	my $face = cf::face::find "sound/$v";
		3269	cf::sound::set $k => $face;
		3270	}
		3271	}
		3272	});
3158		3273
3159	register_exticmd fx_want => sub {	3274	register_exticmd fx_want => sub {
3160	my ($ns, $want) = @_;	3275	my ($ns, $want) = @_;
3161		3276
3162	while (my ($k, $v) = each %$want) {	3277	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3278	$ns->fx_want ($k, $v);
3164	}	3279	}
3165	};	3280	};
		3281
		3282	sub load_resource_file($) {
		3283	my $guard = lock_acquire "load_resource_file";
		3284
		3285	my $status = load_resource_file_ $_[0];
		3286	get_slot 0.1, 100;
		3287	cf::arch::commit_load;
		3288
		3289	$status
		3290	}
3166		3291
3167	sub reload_regions {	3292	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3293	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3294	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3295	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3309	}
3185		3310
3186	sub reload_archetypes {	3311	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3312	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3313	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3314	}
3195		3315
3196	sub reload_treasures {	3316	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3317	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3318	or die "unable to load treasurelists\n";
3199	}	3319	}
3200		3320
3201	sub reload_resources {	3321	sub reload_resources {
3202	warn "reloading resource files...\n";	3322	warn "reloading resource files...\n";
3203		3323
		3324	reload_facedata;
		3325	reload_archetypes;
3204	reload_regions;	3326	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3327	reload_treasures;
3209		3328
3210	warn "finished reloading resource files\n";	3329	warn "finished reloading resource files\n";
3211	}	3330	}
3212		3331
3213	sub init {	3332	sub init {
		3333	my $guard = freeze_mainloop;
		3334
		3335	evthread_start IO::AIO::poll_fileno;
		3336
3214	reload_resources;	3337	reload_resources;
3215	}	3338	}
3216		3339
3217	sub reload_config {	3340	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
3219	or return;	3342	or return;
3220		3343
3221	local $/;	3344	local $/;
3222	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
3223		3346
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3225		3348
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3233	};	3356	};
3234	warn $@ if $@;	3357	warn $@ if $@;
3235	}	3358	}
3236	}	3359	}
3237		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
3238	sub main {	3380	sub main {
		3381	atomic;
		3382
3239	# we must not ever block the main coroutine	3383	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3384	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3386	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3387	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3388	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3389	})->prio (Coro::PRIO_MAX);
3246	};	3390	};
3247		3391
		3392	{
		3393	my $guard = freeze_mainloop;
3248	reload_config;	3394	reload_config;
3249	db_init;	3395	db_init;
3250	load_extensions;	3396	load_extensions;
3251		3397
3252	$TICK_WATCHER->start;	3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399	}
		3400
		3401	utime time, time, $RUNTIMEFILE;
		3402
		3403	# no (long-running) fork's whatsoever before this point(!)
		3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3405
3253	Event::loop;	3406	EV::loop;
3254	}	3407	}
3255		3408
3256	#############################################################################	3409	#############################################################################
3257	# initialisation and cleanup	3410	# initialisation and cleanup
3258		3411
3259	# install some emergency cleanup handlers	3412	# install some emergency cleanup handlers
3260	BEGIN {	3413	BEGIN {
		3414	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3415	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3417	cf::cleanup "SIG$signal";
3269	},
3270	);	3418	};
3271	}	3419	}
3272	}	3420	}
3273		3421
3274	sub write_runtime {	3422	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";
3276
3277	# first touch the runtime file to show we are still running:	3423	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3424	# the fsync below can take a very very long time.
3279		3425
3280	IO::AIO::aio_utime $runtime, undef, undef;	3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3427
3282	my $guard = cf::lock_acquire "write_runtime";	3428	my $guard = cf::lock_acquire "write_runtime";
3283		3429
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3285	or return;	3431	or return;
3286		3432
3287	my $value = $cf::RUNTIME + 90 + 10;	3433	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3434	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3435	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3445	aio_utime $fh, undef, undef;
3300		3446
3301	close $fh	3447	close $fh
3302	or return;	3448	or return;
3303		3449
3304	aio_rename "$runtime~", $runtime	3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3451	and return;
3306		3452
3307	warn "runtime file written.\n";	3453	warn "runtime file written.\n";
3308		3454
3309	1	3455	1
		3456	}
		3457
		3458	our $uuid_lock;
		3459	our $uuid_skip;
		3460
		3461	sub write_uuid_sync($) {
		3462	$uuid_skip ||= $_[0];
		3463
		3464	return if $uuid_lock;
		3465	local $uuid_lock = 1;
		3466
		3467	my $uuid = "$LOCALDIR/uuid";
		3468
		3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3470	or return;
		3471
		3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3473	$uuid_skip = 0;
		3474
		3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3476	and return;
		3477
		3478	# always fsync - this file is important
		3479	aio_fsync $fh
		3480	and return;
		3481
		3482	close $fh
		3483	or return;
		3484
		3485	aio_rename "$uuid~", $uuid
		3486	and return;
		3487
		3488	warn "uuid file written ($value).\n";
		3489
		3490	1
		3491
		3492	}
		3493
		3494	sub write_uuid($$) {
		3495	my ($skip, $sync) = @_;
		3496
		3497	$sync ? write_uuid_sync $skip
		3498	: async { write_uuid_sync $skip };
3310	}	3499	}
3311		3500
3312	sub emergency_save() {	3501	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3502	my $freeze_guard = cf::freeze_mainloop;
3314		3503
…		…
3336	warn "end emergency map save\n";	3525	warn "end emergency map save\n";
3337		3526
3338	warn "begin emergency database checkpoint\n";	3527	warn "begin emergency database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3528	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3529	warn "end emergency database checkpoint\n";
		3530
		3531	warn "begin write uuid\n";
		3532	write_uuid_sync 1;
		3533	warn "end write uuid\n";
3341	};	3534	};
3342		3535
3343	warn "leave emergency perl save\n";	3536	warn "leave emergency perl save\n";
3344	}	3537	}
3345		3538
3346	sub post_cleanup {	3539	sub post_cleanup {
3347	my ($make_core) = @_;	3540	my ($make_core) = @_;
3348		3541
3349	warn Carp::longmess "post_cleanup backtrace"	3542	warn Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3543	if $make_core;
		3544
		3545	my $fh = pidfile;
		3546	unlink $PIDFILE if <$fh> == $$;
3351	}	3547	}
		3548
		3549	# a safer delete_package, copied from Symbol
		3550	sub clear_package($) {
		3551	my $pkg = shift;
		3552
		3553	# expand to full symbol table name if needed
		3554	unless ($pkg =~ /^main::.*::$/) {
		3555	$pkg = "main$pkg" if $pkg =~ /^::/;
		3556	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3557	$pkg .= '::' unless $pkg =~ /::$/;
		3558	}
		3559
		3560	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3561	my $stem_symtab = *{$stem}{HASH};
		3562
		3563	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3564	or return;
		3565
		3566	# clear all symbols
		3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3568	for my $name (keys %$leaf_symtab) {
		3569	_gv_clear *{"$pkg$name"};
		3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3571	}
		3572	warn "cleared package #$pkg\n";#d#
		3573	}
		3574
		3575	our $RELOAD; # how many times to reload
3352		3576
3353	sub do_reload_perl() {	3577	sub do_reload_perl() {
3354	# can/must only be called in main	3578	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3579	if ($Coro::current != $Coro::main) {
3356	warn "can only reload from main coroutine";	3580	warn "can only reload from main coroutine";
3357	return;	3581	return;
3358	}	3582	}
3359		3583
		3584	return if $RELOAD++;
		3585
		3586	while ($RELOAD) {
3360	warn "reloading...";	3587	warn "reloading...";
3361		3588
3362	warn "entering sync_job";	3589	warn "entering sync_job";
3363		3590
3364	cf::sync_job {	3591	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark	3592	cf::write_runtime_sync; # external watchdog should not bark
3366	cf::emergency_save;	3593	cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark	3594	cf::write_runtime_sync; # external watchdog should not bark
3368		3595
3369	warn "syncing database to disk";	3596	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;	3597	BDB::db_env_txn_checkpoint $DB_ENV;
3371		3598
3372	# if anything goes wrong in here, we should simply crash as we already saved	3599	# if anything goes wrong in here, we should simply crash as we already saved
3373		3600
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";	3601	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;	3602	while (IO::AIO::nreqs || BDB::nreqs) {
3385	warn "iterate...";	3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();
3393
3394	warn "removing commands";
3395	%COMMAND = ();
3396
3397	warn "removing ext/exti commands";
3398	%EXTCMD = ();
3399	%EXTICMD = ();
3400
3401	warn "unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";
3404
3405	if (my $cb = $pkg->can ("unload")) {
3406	eval {
3407	$cb->($pkg);
3408	1
3409	} or warn "$pkg unloaded, but with errors: $@";
3410	}	3604	}
3411		3605
3412	warn "... nuking $pkg";	3606	warn "cancelling all extension coros";
3413	Symbol::delete_package $pkg;	3607	$_->cancel for values %EXT_CORO;
3414	}	3608	%EXT_CORO = ();
3415		3609
3416	warn "unloading all perl modules loaded from $LIBDIR";	3610	warn "removing commands";
3417	while (my ($k, $v) = each %INC) {	3611	%COMMAND = ();
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		3612
		3613	warn "removing ext/exti commands";
		3614	%EXTCMD = ();
		3615	%EXTICMD = ();
		3616
		3617	warn "unloading/nuking all extensions";
		3618	for my $pkg (@EXTS) {
3420	warn "... unloading $k";	3619	warn "... unloading $pkg";
3421	delete $INC{$k};
3422		3620
3423	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;
3425
3426	if (my $cb = $k->can ("unload_module")) {	3621	if (my $cb = $pkg->can ("unload")) {
		3622	eval {
3427	$cb->();	3623	$cb->($pkg);
		3624	1
		3625	} or warn "$pkg unloaded, but with errors: $@";
		3626	}
		3627
		3628	warn "... clearing $pkg";
		3629	clear_package $pkg;
3428	}	3630	}
3429		3631
3430	Symbol::delete_package $k;	3632	warn "unloading all perl modules loaded from $LIBDIR";
		3633	while (my ($k, $v) = each %INC) {
		3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3635
		3636	warn "... unloading $k";
		3637	delete $INC{$k};
		3638
		3639	$k =~ s/\.pm$//;
		3640	$k =~ s/\//::/g;
		3641
		3642	if (my $cb = $k->can ("unload_module")) {
		3643	$cb->();
		3644	}
		3645
		3646	clear_package $k;
3431	}	3647	}
3432		3648
3433	warn "getting rid of safe::, as good as possible";	3649	warn "getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	3650	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		3652
3437	warn "unloading cf.pm \"a bit\"";	3653	warn "unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	3654	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	3655	delete $INC{"cf/pod.pm"};
3440		3656
3441	# don't, removes xs symbols, too,	3657	# don't, removes xs symbols, too,
3442	# and global variables created in xs	3658	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	3659	#clear_package __PACKAGE__;
3444		3660
3445	warn "unload completed, starting to reload now";	3661	warn "unload completed, starting to reload now";
3446		3662
3447	warn "reloading cf.pm";	3663	warn "reloading cf.pm";
3448	require cf;	3664	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3450		3666
3451	warn "loading config and database again";	3667	warn "loading config and database again";
3452	cf::reload_config;	3668	cf::reload_config;
3453		3669
3454	warn "loading extensions";	3670	warn "loading extensions";
3455	cf::load_extensions;	3671	cf::load_extensions;
3456		3672
3457	warn "reattaching attachments to objects/players";	3673	warn "reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	3674	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	3675	warn "reattaching attachments to maps";
3460	reattach $_ for values %MAP;	3676	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	3677	warn "reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	3678	reattach $_ for values %PLAYER;
3463		3679
3464	warn "leaving sync_job";	3680	warn "leaving sync_job";
3465		3681
3466	1	3682	1
3467	} or do {	3683	} or do {
3468	warn $@;	3684	warn $@;
3469	warn "error while reloading, exiting.";	3685	cf::cleanup "error while reloading, exiting.";
3470	exit 1;
3471	};	3686	};
3472		3687
3473	warn "reloaded";	3688	warn "reloaded";
		3689	--$RELOAD;
		3690	}
3474	};	3691	};
3475		3692
3476	our $RELOAD_WATCHER; # used only during reload	3693	our $RELOAD_WATCHER; # used only during reload
3477		3694
3478	sub reload_perl() {	3695	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	3696	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	3697	# coro crashes during coro_state_free->destroy here.
3481		3698
3482	$RELOAD_WATCHER ||= Event->timer (	3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3483	reentrant => 0,
3484	after => 0,
3485	data => WF_AUTOCANCEL,
3486	cb => sub {
3487	do_reload_perl;	3700	do_reload_perl;
3488	undef $RELOAD_WATCHER;	3701	undef $RELOAD_WATCHER;
3489	},
3490	);	3702	};
3491	}	3703	}
3492		3704
3493	register_command "reload" => sub {	3705	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	3706	my ($who, $arg) = @_;
3495		3707
…		…
3508		3720
3509	our @WAIT_FOR_TICK;	3721	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;	3722	our @WAIT_FOR_TICK_BEGIN;
3511		3723
3512	sub wait_for_tick {	3724	sub wait_for_tick {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3725	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3726
3516	my $signal = new Coro::Signal;	3727	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK, $signal;	3728	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;	3729	$signal->wait;
3519	}	3730	}
3520		3731
3521	sub wait_for_tick_begin {	3732	sub wait_for_tick_begin {
3522	return unless $TICK_WATCHER->is_active;
3523	return if $Coro::current == $Coro::main;	3733	return if tick_inhibit || $Coro::current == $Coro::main;
3524		3734
3525	my $signal = new Coro::Signal;	3735	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	3736	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	3737	$signal->wait;
3528	}	3738	}
3529		3739
3530	$TICK_WATCHER = Event->timer (	3740	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	3741	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	3743	unless ++$bug_warning > 10;
3540	return;	3744	return;
3541	}	3745	}
3542		3746
3543	$NOW = $tick_start = Event::time;
3544
3545	cf::server_tick; # one server iteration	3747	cf::server_tick; # one server iteration
3546		3748
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	3751	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	3752	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	3753	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	3754	or warn "ERROR: unable to write runtime file: $!";
3556	};
3557	}	3755	};
		3756	}
3558		3757
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	3759	$sig->send;
3561	}	3760	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	3761	while (my $sig = shift @WAIT_FOR_TICK) {
3563	$sig->send;	3762	$sig->send;
3564	}	3763	}
3565		3764
3566	$NOW = Event::time;	3765	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		3767
3577	_post_tick;	3768	if (0) {
		3769	if ($NEXT_TICK) {
		3770	my $jitter = $TICK_START - $NEXT_TICK;
		3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3772	warn "jitter $JITTER\n";#d#
		3773	}
3578	},	3774	}
3579	);	3775	}
3580		3776
3581	{	3777	{
		3778	# configure BDB
		3779
3582	BDB::min_parallel 8;	3780	BDB::min_parallel 8;
3583	BDB::max_poll_time $TICK * 0.1;	3781	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	3782	$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		3783
3608	unless ($DB_ENV) {	3784	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	3785	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3788	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3789	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3790	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		3791
3615	cf::sync_job {	3792	cf::sync_job {
3616	eval {	3793	eval {
…		…
3626		3803
3627	cf::cleanup "db_env_open(db): $@" if $@;	3804	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	3805	};
3629	}	3806	}
3630		3807
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	3808	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3809	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	3810	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	3811	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	3813	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	3816	};
3661	}	3817	}
3662		3818
3663	{	3819	{
		3820	# configure IO::AIO
		3821
3664	IO::AIO::min_parallel 8;	3822	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	3823	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	3824	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	3825	}
3677		3826
3678	my $_log_backtrace;	3827	my $_log_backtrace;
3679		3828
3680	sub _log_backtrace {	3829	sub _log_backtrace {

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