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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.603 by root, Tue Nov 13 01:12:23 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
168		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	335	for my $pkg (qw(
198	cf::global cf::attachable	336	cf::global cf::attachable
199	cf::object cf::object::player	337	cf::object cf::object::player
200	cf::client cf::player	338	cf::client cf::player
201	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
202	cf::map cf::party cf::region	341	cf::party cf::region
203	)) {	342	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	344	}
207		345
208	$Event::DIED = sub {	346	$EV::DIED = sub {
209	warn "error in event callback: @_";	347	warn "error in event callback: $@";
210	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
211		356
212	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
213		358
214	=over 4	359	=over 4
215		360
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	380	$d
236	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
237	}	382	}
238		383
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
240		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
241	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
242		437
243	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
244		439
245	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
246		441
247	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
248		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
249	=item cf::lock_wait $string	513	=item cf::lock_wait $string
250		514
251	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
252		516
253	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
254		518
255	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
258	returned.	522	returned.
259		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
260	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
262		529
263	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
264		531
265	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
266		533
267	=cut	534	=cut
268		535
269	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
270		537
271	sub lock_wait($) {	538	sub lock_wait($) {
272	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	540	}
280		541
281	sub lock_acquire($) {	542	sub lock_acquire($) {
282	my ($key) = @_;	543	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	544	}
294		545
295	sub lock_active($) {	546	sub lock_active($) {
296	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	548	}
300		549
301	sub freeze_mainloop {	550	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
303		552
304	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
306	};	623	}
307	$TICK_WATCHER->stop;	624	};
308	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
309	}	639	}
310		640
311	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
312		642
313	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		648
319	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
320		650
321	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
322		652
323	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
326		657
327	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
330	fast or be very important.	661	fast or be very important.
…		…
332	=cut	663	=cut
333		664
334	sub sync_job(&) {	665	sub sync_job(&) {
335	my ($job) = @_;	666	my ($job) = @_;
336		667
337	if ($Coro::current == $Coro::main) {	668	if (in_main) {
338	my $time = Event::time;	669	my $time = AE::time;
339		670
340	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
342		673
343	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	675
345	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
346		677
347	my $busy = 1;	678	my $busy = 1;
348	my @res;	679	my @res;
349		680
350	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	683	@res = eval { $job->() };
352	warn $@ if $@;	684	error $@ if $@;
353	undef $busy;	685	undef $busy;
354	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
355		687
356	while ($busy) {	688	while ($busy) {
357	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
358	}	693	}
		694	}
359		695
360	$time = Event::time - $time;	696	my $time = AE::time - $time;
361		697
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
366		699
367	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
368	} else {	701	} else {
369	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
370		703
…		…
390	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
391		724
392	$coro	725	$coro
393	}	726	}
394		727
395	sub write_runtime {	728	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		729
398	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
400		734
401	IO::AIO::aio_utime $runtime, undef, undef;	735	=cut
402		736
403	my $guard = cf::lock_acquire "write_runtime";	737	sub post_fork {
		738	reset_signals;
		739	}
404		740
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	741	sub fork_call(&@) {
406	or return;	742	my ($cb, @args) = @_;
407		743
408	my $value = $cf::RUNTIME + 90 + 10;	744	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	745	cf::post_fork;
410	# 60 allows for the watchdog to kill the server.	746	&$cb
		747	} @args;
411		748
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	749	wantarray ? @res : $res[-1]
413	and return;	750	}
414		751
415	# always fsync - this file is important	752	sub objinfo {
416	aio_fsync $fh
417	and return;
418
419	# touch it again to show we are up-to-date
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";#d#
429
430	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
431	}	916	}
432		917
433	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
434		919
435	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
436		921
437	=cut	922	=cut
438		923
439	sub datalog($@) {	924	sub datalog($@) {
440	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	927	}
443		928
444	=back	929	=back
445		930
446	=cut	931	=cut
447		932
448	#############################################################################	933	#############################################################################
449		934
450	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
451		936
452	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
455		940
456	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	943	Deliantra).
459		944
460	=over 4	945	=over 4
461		946
462	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
463		948
…		…
507	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
508		993
509	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
511		996
512	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
514		999
515	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
516		1001
517	=over 4	1002	=over 4
…		…
641		1126
642	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1129
645	} elsif (ref $type) {	1130	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
647		1132
648	} else {	1133	} else {
649	shift @arg;	1134	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
651	}	1136	}
652	}	1137	}
653	}	1138	}
654		1139
655	sub _object_attach {	1140	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
666	}	1151	}
667		1152
668	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
669	} else {	1154	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1156	}
672		1157
673	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
674	}	1159	}
675		1160
…		…
715	";	1200	";
716	die if $@;	1201	die if $@;
717	}	1202	}
718		1203
719	our $override;	1204	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1206
722	sub override {	1207	sub override {
723	$override = 1;	1208	$override = 1;
724	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
725	}	1210	}
726		1211
727	sub do_invoke {	1212	sub do_invoke {
728	my $event = shift;	1213	my $event = shift;
729	my $callbacks = shift;	1214	my $callbacks = shift;
730		1215
731	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
732		1217
733	local $override;	1218	local $override;
734		1219
735	for (@$callbacks) {	1220	for (@$callbacks) {
736	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
737		1222
738	if ($@) {	1223	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1225	override;
742	}	1226	}
743		1227
744	return 1 if $override;	1228	return 1 if $override;
745	}	1229	}
746		1230
747	0	1231	0
748	}	1232	}
749		1233
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1235
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1237
754	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
755		1239
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1243
760	=back	1244	=back
761		1245
762	=cut	1246	=cut
763		1247
764	#############################################################################	1248	#############################################################################
765	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
766		1292
767	sub reattach {	1293	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1295	my ($obj) = @_;
770		1296
		1297	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1299
773	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
774		1301
775	@$registry = ();	1302	@$registry = ();
776		1303
…		…
781	for (@$attach) {	1308	for (@$attach) {
782	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
784	}	1311	}
785	} else {	1312	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1314	}
788	}	1315	}
789	}	1316	}
790		1317
791	cf::attachable->attach (	1318	cf::attachable->attach (
792	prio => -1000000,	1319	prio => -1000000,
793	on_instantiate => sub {	1320	on_instantiate => sub {
794	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
795		1322
796	$data = from_json $data;	1323	$data = decode_json $data;
797		1324
798	for (@$data) {	1325	for (@$data) {
799	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
800		1327
801	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1344	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
819		1346
820	sync_job {	1347	sync_job {
821	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
824		1353
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
829	close $fh;	1361	aio_close $fh;
830		1362
831	if (@$objs) {	1363	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
837	close $fh;	1372	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
839	}	1374	}
840	} else {	1375	} else {
841	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
842	}	1377	}
843		1378
844	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1383	} else {
846	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
847	}	1385	}
848	} else {	1386	} else {
849	aio_unlink $filename;	1387	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
851	}	1389	}
852	}	1390	};
853	}	1391	}
854		1392
855	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
857		1395
…		…
869	or return;	1407	or return;
870		1408
871	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
873	or return;	1411	or return;
		1412
874	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
875	}	1415	}
876		1416
		1417	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
879	return ($data, $av);	1422	($data, $av)
880	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
881		1430
882	#############################################################################	1431	#############################################################################
883	# command handling &c	1432	# command handling &c
884		1433
885	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
886		1435
887	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
888	$name.	1437	$name.
889		1438
890	=cut	1439	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
897		1446
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1448	}
900		1449
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1451
903	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
904		1457
905	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
906	called.
907		1459
908	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
910	sub register_extcmd {	1482	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
912		1484
913	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
914	}	1486	}
915		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
916	cf::player->attach (	1508	cf::player->attach (
917	on_command => sub {	1509	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
919		1511
920	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
921	or return;	1513	or return;
922		1514
…		…
927	cf::override;	1519	cf::override;
928	},	1520	},
929	on_extcmd => sub {	1521	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
931		1523
932	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1525
934	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
938	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
939	}	1547	}
		1548
940	} else {	1549	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1551	}
943		1552
944	cf::override;	1553	cf::override;
945	},	1554	},
946	);	1555	);
947		1556
		1557	# "readahead" all extensions
948	sub load_extension {	1558	sub cache_extensions {
949	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
950		1560
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1564	}
976	die $@;
977	}	1565	};
978		1566
979	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
980	}	1579	}
981		1580
982	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
983	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1590	next unless -r $path;
985	eval {	1591
986	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
987	1	1664	}
988	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
989	}	1677	};
990	}	1678	}
991		1679
992	#############################################################################	1680	#############################################################################
993		1681
		1682	=back
		1683
994	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
995		1685
996	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
997		1687
998	=cut	1688	=cut
999		1689
1000	package cf::player;	1690	package cf::player;
1001		1691
1002	use Coro::AIO;	1692	use Coro::AIO;
1003		1693
1004	=head3 cf::player	1694	=head3 cf::player
1005		1695
1006	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1007		1711
1008	=item cf::player::find $login	1712	=item cf::player::find $login
1009		1713
1010	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1011		1715
…		…
1030		1734
1031	sub exists($) {	1735	sub exists($) {
1032	my ($login) = @_;	1736	my ($login) = @_;
1033		1737
1034	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1036	}	1740	}
1037		1741
1038	sub find($) {	1742	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1744	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1755
1052	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1055	}	1765	}
1056	}	1766	}
1057	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1058		1781
1059	sub save($) {	1782	sub save($) {
1060	my ($pl) = @_;	1783	my ($pl) = @_;
1061		1784
1062	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1068		1791
1069	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1071		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1072	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1073	Coro::cede;	1801	cf::cede_to_tick;
1074	}	1802	}
1075		1803
1076	sub new($) {	1804	sub new($) {
1077	my ($login) = @_;	1805	my ($login) = @_;
1078		1806
…		…
1084	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1085		1813
1086	$self	1814	$self
1087	}	1815	}
1088		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1089	=item $pl->quit_character	1827	=item $pl->quit_character
1090		1828
1091	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1093		1831
…		…
1097	my ($pl) = @_;	1835	my ($pl) = @_;
1098		1836
1099	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1100		1838
1101	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1841
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1107	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1108		1850
1109	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1146	or return [];	1888	or return [];
1147		1889
1148	my @logins;	1890	my @logins;
1149		1891
1150	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1154		1902
1155	utf8::decode $login;	1903	utf8::decode $login;
1156	push @logins, $login;	1904	push @logins, $login;
1157	}	1905	}
1158		1906
1159	\@logins	1907	\@logins
1160	}	1908	}
1161		1909
1162	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1163		1913
1164	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1165	player. May block.	1915	player. May block.
1166		1916
1167	=cut	1917	=cut
…		…
1185	}	1935	}
1186		1936
1187	\@paths	1937	\@paths
1188	}	1938	}
1189		1939
1190	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1191		1941
1192	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1193		1943
1194	=cut
1195
1196	sub ext_reply($$%) {
1197	my ($self, $id, %msg) = @_;
1198
1199	$msg{msgid} = $id;
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}
1203
1204	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1205		1945
1206	Sends an ext event to the client.	1946	Sends an ext event to the client.
1207		1947
1208	=cut	1948	=cut
1209		1949
1210	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1212		1952
1213	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1214	}	1954	}
1215		1955
1216	=head3 cf::region	1956	=head3 cf::region
1217		1957
1218	=over 4	1958	=over 4
…		…
1221		1961
1222	package cf::region;	1962	package cf::region;
1223		1963
1224	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1225		1965
1226	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1227		1967
1228	=cut	1968	=cut
1229		1969
1230	sub find_by_path($) {	1970	sub find_by_path($) {
1231	my ($path) = @_;	1971	my ($path) = @_;
1232		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1233	my ($match, $specificity);	1975	my ($match, $specificity);
1234		1976
1235	for my $region (list) {	1977	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1239	}	1981	}
1240	}	1982	}
1241		1983
…		…
1262	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1264		2006
1265	sub generate_random_map {	2007	sub generate_random_map {
1266	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1268	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	2013	}
1282		2014
1283	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1284		2016
1285	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1290		2022
1291	sub register {	2023	sub register {
1292	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2025	my $pkg = caller;
1294		2026
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2028
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2030	}
1300		2031
1301	# also paths starting with '/'	2032	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2034
1304	sub thawer_merge {	2035	sub thawer_merge {
1305	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1306		2037
1307	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1308	local $self->{path};	2039	local $self->{path};
1309	local $self->{load_path};	2040	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		2041
1313	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1314	}	2043	}
1315		2044
1316	sub normalise {	2045	sub normalise {
1317	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1318		2047
1319	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1320		2049
1321	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1322		2051
1323	# map plan:	2052	# map plan:
1324	#	2053	#
…		…
1339	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	2069	$path = "$base/$path";
1341	}	2070	}
1342		2071
1343	for ($path) {	2072	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1347	}	2075	}
1348		2076
1349	$path	2077	$path
…		…
1363	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1364	return $self;	2092	return $self;
1365	}	2093	}
1366	}	2094	}
1367		2095
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2097	()
1370	}	2098	}
1371		2099
		2100	# may re-bless or do other evil things
1372	sub init {	2101	sub init {
1373	my ($self) = @_;	2102	my ($self) = @_;
1374		2103
1375	$self	2104	$self
1376	}	2105	}
…		…
1395		2124
1396	# the temporary/swap location	2125	# the temporary/swap location
1397	sub save_path {	2126	sub save_path {
1398	my ($self) = @_;	2127	my ($self) = @_;
1399		2128
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1402	}	2131	}
1403		2132
1404	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1405	sub uniq_path {	2134	sub uniq_path {
1406	my ($self) = @_;	2135	my ($self) = @_;
1407		2136
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1410	}	2139	}
1411		2140
1412	# and all this just because we cannot iterate over	2141	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2142	my ($self) = @_;
1416		2143
1417	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1419	}	2147	}
1420		2148
1421	sub unlink_save {	2149	sub unlink_save {
1422	my ($self) = @_;	2150	my ($self) = @_;
1423		2151
…		…
1428		2156
1429	sub load_header_from($) {	2157	sub load_header_from($) {
1430	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1431		2159
1432	utf8::encode $path;	2160	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2162	or return;
1438		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1439	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1440		2171
1441	1	2172	1
1442	}	2173	}
1443		2174
		2175	# used to laod the header of an original map
1444	sub load_header_orig {	2176	sub load_header_orig {
1445	my ($self) = @_;	2177	my ($self) = @_;
1446		2178
1447	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1448	}	2180	}
1449		2181
		2182	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2183	sub load_header_temp {
1451	my ($self) = @_;	2184	my ($self) = @_;
1452		2185
1453	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1454	}	2187	}
1455		2188
		2189	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2190	sub prepare_temp {
1457	my ($self) = @_;	2191	my ($self) = @_;
1458		2192
1459	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1461	# safety	2195	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2198	}
1465		2199
		2200	# called after loading the header from an original map
1466	sub prepare_orig {	2201	sub prepare_orig {
1467	my ($self) = @_;	2202	my ($self) = @_;
1468		2203
1469	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2216	$self->load_header_orig
1482	or return;	2217	or return;
1483	$self->prepare_orig;	2218	$self->prepare_orig;
1484	}	2219	}
1485		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1486	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2225	unless $self->default_region;
1488		2226
1489	1	2227	1
1490	}	2228	}
1491		2229
1492	sub find;	2230	sub find;
1493	sub find {	2231	sub find {
1494	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1495		2233
		2234	cf::cede_to_tick;
		2235
1496	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1497		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2240
1500	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1503	or return;	2243	or return;
1504		2244
1505	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1506		2246
1507	$map->load_header	2247	$map->load_header
1508	or return;	2248	or return;
1509		2249
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1513	$map->reset;	2255	$map->reset;
1514	undef $guard;
1515	return find $path;	2256	return find $path;
1516	}	2257	}
1517		2258
1518	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1519	}	2260	}
1520	}	2261	}
1521		2262
1522	sub pre_load { }	2263	sub pre_load { }
1523	sub post_load { }	2264	#sub post_load { } # XS
1524		2265
1525	sub load {	2266	sub load {
1526	my ($self) = @_;	2267	my ($self) = @_;
1527		2268
1528	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1529		2270
1530	my $path = $self->{path};	2271	my $path = $self->{path};
1531		2272
1532	{	2273	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1534		2275
		2276	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2278
1539	$self->alloc;	2279	$self->alloc;
1540		2280
1541	$self->pre_load;	2281	$self->pre_load;
1542	Coro::cede;	2282	cf::cede_to_tick;
1543		2283
1544	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1545	or return;	2288	or return;
1546		2289
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1548	if delete $self->{load_original};	2291	if delete $self->{load_original};
1549		2292
1550	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2294	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2297	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1555	}	2302	}
1556	}
1557		2303
1558	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1559	# now do the right thing for maps	2313	# now do the right thing for maps
1560	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2316	unless $self->difficulty;
1563	Coro::cede;	2317	cf::cede_to_tick;
1564		2318
1565	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2320	$self->decay_objects;
1567	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1568	$self->update_buttons;	2322	$self->update_buttons;
1569	Coro::cede;	2323	cf::cede_to_tick;
1570	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2325	}
1574		2326
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1576	}	2329	}
1577		2330
1578	$self->post_load;	2331	$self->post_load;
1579	}
1580		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2339	sub customise_for {
1582	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1583		2341
1584	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2343	if $self->per_player;
1586		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1587	$self	2348	$self
1588	}
1589
1590	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {
1592	my ($map) = @_;
1593
1594	my @diag; # diagonal neighbours
1595
1596	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)
1598	or next;
1599	$neigh = find $neigh, $map
1600	or next;
1601	$neigh->load;
1602
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}
1606
1607	for (@diag) {
1608	my $neigh = find @$_
1609	or next;
1610	$neigh->load;
1611	}
1612	}	2349	}
1613		2350
1614	sub find_sync {	2351	sub find_sync {
1615	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1616		2353
1617	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1618	}	2359	}
1619		2360
1620	sub do_load_sync {	2361	sub do_load_sync {
1621	my ($map) = @_;	2362	my ($map) = @_;
1622		2363
1623	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1624	}	2369	}
1625		2370
1626	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1628		2373
1629	sub find_async {	2374	sub find_async {
1630	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1631		2376
1632	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1633		2378
1634	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1636	}	2381	}
1637		2382
1638	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1639	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1640	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2390	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2391	$map->load if $v;
		2392	}
1645		2393
1646	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1647	}	2395	}
1648	}	2396	}
1649	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1650	};	2398	};
1651	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1652		2400
1653	()	2401	()
1654	}	2402	}
1655		2403
		2404	# common code, used by both ->save and ->swapout
1656	sub save {	2405	sub _save {
1657	my ($self) = @_;	2406	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2407
1661	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1662		2409
1663	return unless $self->dirty;	2410	return unless $self->dirty;
1664		2411
…		…
1670	return if $self->{deny_save};	2417	return if $self->{deny_save};
1671		2418
1672	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1673		2420
1674	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1676	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1677		2427
1678	if ($uniq) {	2428	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2431	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2433	}
1684	}	2434	}
1685		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1686	sub swap_out {	2444	sub swap_out {
1687	my ($self) = @_;	2445	my ($self) = @_;
1688		2446
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1694	return if $self->players;	2451	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1698	$self->clear;	2462	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2463	}
1701		2464
1702	sub reset_at {	2465	sub reset_at {
1703	my ($self) = @_;	2466	my ($self) = @_;
1704		2467
1705	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1708		2470
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2473
…		…
1722	my ($self) = @_;	2484	my ($self) = @_;
1723		2485
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2487
1726	return if $self->players;	2488	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2489
1729	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1730		2491
1731	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1732		2493
1733	# need to save uniques path	2494	# need to save uniques path
1734	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2497
…		…
1738	if $uniq;	2499	if $uniq;
1739	}	2500	}
1740		2501
1741	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1742		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2506	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2507
1747	$self->unlink_save;	2508	$self->unlink_save;
1748	$self->destroy;	2509	$self->destroy;
1749	}	2510	}
1750		2511
1751	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1752		2513
1753	sub nuke {	2514	sub nuke {
1754	my ($self) = @_;	2515	my ($self) = @_;
1755		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1756	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1757		2521
1758	$self->unlink_save;	2522	$self->unlink_save;
1759		2523
1760	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2529
1766	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1767		2532
1768	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1769	}	2570	}
1770		2571
1771	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1772		2573
1773	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2575	instantiated unique items. May block.
1775		2576
1776	=cut	2577	=cut
1777		2578
1778	sub unique_maps() {	2579	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2580	[
1780	or return;	2581	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2582	utf8::decode $_;
1786	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2585	? ()
1789	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2588	]
1791
1792	\@paths
1793	}	2589	}
1794		2590
1795	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1796		2622
1797	=back	2623	=back
1798		2624
1799	=head3 cf::object	2625	=head3 cf::object
1800		2626
…		…
1804		2630
1805	=over 4	2631	=over 4
1806		2632
1807	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1808		2634
1809	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1810		2637
1811	=cut	2638	=cut
1812		2639
1813	sub inv_recursive_;	2640	sub inv_recursive_;
1814	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1817		2644
1818	sub inv_recursive {	2645	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1820	}	2647	}
1821		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1822	package cf;	2677	package cf;
1823		2678
1824	=back	2679	=back
1825		2680
1826	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1832	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1833	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1834	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1835		2690
1836	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1837		2706
1838	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2708	# with dialog boxes.
1840	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1841	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1843		2712
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2714
1846	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1848	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1849	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1851	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1852	}	2740	}
1853		2741
1854	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1855		2743
1856	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1869		2757
1870	=item $player_object->enter_link	2758	=item $player_object->enter_link
1871		2759
1872	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1873		2761
1874	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1875	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1876		2766
1877	Will never block.	2767	Will never block.
1878		2768
1879	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1880		2770
…		…
1900	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2791	my ($self) = @_;
1902		2792
1903	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1904		2794
		2795	++$self->{_link_recursion};
		2796
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2798
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
1909		2801
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2803	}
1912		2804
1913	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
1915		2807
…		…
1932	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1934		2826
1935	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1938		2830
1939	$map->load;	2831	$map->load;
1940	$map->load_diag;
1941		2832
1942	return unless $self->contr->active;	2833	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2834
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1947	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
1948		2842
		2843	}
		2844
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2846
1951	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
1952	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
1953	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
1954	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
1955		2855
1956	=cut	2856	=cut
1957		2857
1958	our $GOTOGEN;	2858	our $GOTOGEN;
1959		2859
1960	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1961	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
1962		2868
1963	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2871
1966	$self->enter_link;	2872	$self->enter_link;
1967		2873
1968	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1969	my $map = eval {	2896	my $map = eval {
1970	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2898
1972	if ($map) {	2899	if ($map) {
1973	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2902	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2904	}
1978		2905
1979	$map	2906	$map
1980	};	2907	};
1981		2908
…		…
1986		2913
1987	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
1990	}	2917	}
		2918
		2919	$done->($self) if $done;
1991	})->prio (1);	2920	})->prio (1);
1992	}	2921	}
1993		2922
1994	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1995		2924
…		…
2015	}	2944	}
2016		2945
2017	sub prepare_random_map {	2946	sub prepare_random_map {
2018	my ($exit) = @_;	2947	my ($exit) = @_;
2019		2948
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2951	# that depends on the exit object
2025		2952
2026	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2955	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2033	}	2962	}
2034		2963
2035	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2036		2965
2037	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2040		2969
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2972	undef $fh;
2044	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2045		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2048	}	2981	}
2049	}	2982	}
2050		2983
2051	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2053		2986
2054	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2055		2988
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2989	$self->enter_link;
2068		2990
2069	(async {	2991	(async {
2070	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2071	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2072	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2073		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2074	1;	3030	1
2075	}) {	3031	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2078	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2080		3036
2081	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	3038	$self->leave_link;
2083	}	3039	}
2084	})->prio (1);	3040	})->prio (1);
2085	}	3041	}
2086		3042
…		…
2100		3056
2101	utf8::encode $text;	3057	utf8::encode $text;
2102	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2103	}	3059	}
2104		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
		3084	}
		3085
		3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3087
		3088	Send a drawinfo or msg packet to the client, formatting the msg for the
		3089	client if neccessary. C<$type> should be a string identifying the type of
		3090	the message, with C<log> being the default. If C<$color> is negative, suppress
		3091	the message unless the client supports the msg packet.
		3092
		3093	=cut
		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/say" => $SAY_CHANNEL,
		3206	"c/chat" => $CHAT_CHANNEL,
		3207	);
		3208
		3209	sub cf::client::send_msg {
		3210	my ($self, $channel, $msg, $color, @extra) = @_;
		3211
		3212	$msg = $self->pl->expand_cfpod ($msg)
		3213	unless $color & cf::NDI_VERBATIM;
		3214
		3215	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3216
		3217	# check predefined channels, for the benefit of C
		3218	if ($CHANNEL{$channel}) {
		3219	$channel = $CHANNEL{$channel};
		3220
		3221	$self->ext_msg (channel_info => $channel);
		3222	$channel = $channel->{id};
		3223
		3224	} elsif (ref $channel) {
		3225	# send meta info to client, if not yet sent
		3226	unless (exists $self->{channel}{$channel->{id}}) {
		3227	$self->{channel}{$channel->{id}} = $channel;
		3228	$self->ext_msg (channel_info => $channel);
		3229	}
		3230
		3231	$channel = $channel->{id};
		3232	}
		3233
		3234	return unless @extra || length $msg;
		3235
		3236	# default colour, mask it out
		3237	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3238	if $color & cf::NDI_DEF;
		3239
		3240	my $pkt = "msg "
		3241	. $self->{json_coder}->encode (
		3242	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3243	);
		3244
		3245	$self->send_big_packet ($pkt);
		3246	}
		3247
2105	=item $client->ext_event ($type, %msg)	3248	=item $client->ext_msg ($type, @msg)
2106		3249
2107	Sends an exti event to the client.	3250	Sends an ext event to the client.
2108		3251
2109	=cut	3252	=cut
2110		3253
2111	sub cf::client::ext_event($$%) {	3254	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3255	my ($self, $type, @msg) = @_;
2113		3256
2114	$msg{msgtype} = "event_$type";	3257	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2115	$self->send_packet ("ext " . cf::to_json \%msg);
2116	}	3258	}
2117		3259
2118	=item $success = $client->query ($flags, "text", \&cb)	3260	=item $success = $client->query ($flags, "text", \&cb)
2119		3261
2120	Queues a query to the client, calling the given callback with	3262	Queues a query to the client, calling the given callback with
2121	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3263	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2122	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3264	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2123		3265
2124	Queries can fail, so check the return code. Or don't, as queries will become	3266	Queries can fail, so check the return code. Or don't, as queries will
2125	reliable at some point in the future.	3267	become reliable at some point in the future.
2126		3268
2127	=cut	3269	=cut
2128		3270
2129	sub cf::client::query {	3271	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3272	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3280	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3281	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3282
2141	$self->send_packet ($self->{query_queue}[0][0])	3283	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3284	if @{ $self->{query_queue} } == 1;
		3285
		3286	1
2143	}	3287	}
2144		3288
2145	cf::client->attach (	3289	cf::client->attach (
		3290	on_connect => sub {
		3291	my ($ns) = @_;
		3292
		3293	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3294	},
2146	on_reply => sub {	3295	on_reply => sub {
2147	my ($ns, $msg) = @_;	3296	my ($ns, $msg) = @_;
2148		3297
2149	# this weird shuffling is so that direct followup queries	3298	# this weird shuffling is so that direct followup queries
2150	# get handled first	3299	# get handled first
…		…
2162	} else {	3311	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3312	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3313	}
2165	}	3314	}
2166	},	3315	},
		3316	on_exticmd => sub {
		3317	my ($ns, $buf) = @_;
		3318
		3319	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3320
		3321	if (ref $msg) {
		3322	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3323
		3324	if (my $cb = $EXTIACMD{$type}) {
		3325	$cb->(
		3326	$ns,
		3327	sub {
		3328	$ns->ext_msg ("reply-$reply", @_)
		3329	if $reply;
		3330	},
		3331	@payload
		3332	);
		3333	} else {
		3334	my @reply;
		3335
		3336	if (my $cb = $EXTICMD{$type}) {
		3337	@reply = $cb->($ns, @payload);
		3338	}
		3339
		3340	$ns->ext_msg ("reply-$reply", @reply)
		3341	if $reply;
		3342	}
		3343	} else {
		3344	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3345	}
		3346
		3347	cf::override;
		3348	},
2167	);	3349	);
2168		3350
2169	=item $client->async (\&cb)	3351	=item $client->async (\&cb)
2170		3352
2171	Create a new coroutine, running the specified callback. The coroutine will	3353	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3369
2188	$coro	3370	$coro
2189	}	3371	}
2190		3372
2191	cf::client->attach (	3373	cf::client->attach (
2192	on_destroy => sub {	3374	on_client_destroy => sub {
2193	my ($ns) = @_;	3375	my ($ns) = @_;
2194		3376
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3377	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3378	},
2197	);	3379	);
…		…
2212	our $safe = new Safe "safe";	3394	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3395	our $safe_hole = new Safe::Hole;
2214		3396
2215	$SIG{FPE} = 'IGNORE';	3397	$SIG{FPE} = 'IGNORE';
2216		3398
2217	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3399	$safe->permit_only (Opcode::opset qw(
		3400	:base_core :base_mem :base_orig :base_math :base_loop
		3401	grepstart grepwhile mapstart mapwhile
		3402	sort time
		3403	));
2218		3404
2219	# here we export the classes and methods available to script code	3405	# here we export the classes and methods available to script code
2220		3406
2221	=pod	3407	=pod
2222		3408
2223	The following functions and methods are available within a safe environment:	3409	The following functions and methods are available within a safe environment:
2224		3410
2225	cf::object contr pay_amount pay_player map	3411	cf::object
		3412	contr pay_amount pay_player map x y force_find force_add destroy
		3413	insert remove name archname title slaying race decrease split
		3414	value
		3415
2226	cf::object::player player	3416	cf::object::player
2227	cf::player peaceful	3417	player
2228	cf::map trigger	3418
		3419	cf::player
		3420	peaceful
		3421
		3422	cf::map
		3423	trigger
2229		3424
2230	=cut	3425	=cut
2231		3426
2232	for (	3427	for (
2233	["cf::object" => qw(contr pay_amount pay_player map)],	3428	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3429	insert remove inv nrof name archname title slaying race
		3430	decrease split destroy change_exp value msg lore send_msg)],
2234	["cf::object::player" => qw(player)],	3431	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3432	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3433	["cf::map" => qw(trigger)],
2237	) {	3434	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3435	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3436	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3437	for @funs;
2242	}	3438	}
2243		3439
…		…
2258		3454
2259	my $qcode = $code;	3455	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3456	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3457	$qcode =~ s/\n/\\n/g;
2262		3458
		3459	%vars = (_dummy => 0) unless %vars;
		3460
		3461	my @res;
2263	local $_;	3462	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3463
2266	my $eval =	3464	my $eval =
2267	"do {\n"	3465	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3466	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3467	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3468	. $code
2271	. "\n}"	3469	. "\n}"
2272	;	3470	;
2273		3471
		3472	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3473	sub_generation_inc;
		3474	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3475	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	sub_generation_inc;	3476	sub_generation_inc;
		3477	} else {
		3478	local @cf::_safe_eval_args = values %vars;
		3479	@res = wantarray ? eval eval : scalar eval $eval;
		3480	}
2277		3481
2278	if ($@) {	3482	if ($@) {
2279	warn "$@";	3483	warn "$@",
2280	warn "while executing safe code '$code'\n";	3484	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3485	"with arguments " . (join " ", %vars) . "\n";
2282	}	3486	}
2283		3487
2284	wantarray ? @res : $res[0]	3488	wantarray ? @res : $res[0]
2285	}	3489	}
2286		3490
…		…
2300	=cut	3504	=cut
2301		3505
2302	sub register_script_function {	3506	sub register_script_function {
2303	my ($fun, $cb) = @_;	3507	my ($fun, $cb) = @_;
2304		3508
2305	no strict 'refs';	3509	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3510	*$fun = $safe_hole->wrap ($cb);
2307	}	3511	}
2308		3512
2309	=back	3513	=back
2310		3514
2311	=cut	3515	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3516
2485	#############################################################################	3517	#############################################################################
2486	# the server's init and main functions	3518	# the server's init and main functions
2487		3519
		3520	{
		3521	package cf::face;
		3522
		3523	our %HASH; # hash => idx
		3524	our @DATA; # dynamically-created facedata, only faceste 0 used
		3525	our @FOFS; # file offset, if > 0
		3526	our @SIZE; # size of face, in octets
		3527	our @META; # meta hash of face, if any
		3528	our $DATAFH; # facedata filehandle
		3529
		3530	# internal api, not finalised
		3531	sub set {
		3532	my ($name, $type, $data) = @_;
		3533
		3534	my $idx = cf::face::find $name;
		3535
		3536	if ($idx) {
		3537	delete $HASH{cf::face::get_chksum $idx};
		3538	} else {
		3539	$idx = cf::face::alloc $name;
		3540	}
		3541
		3542	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3543
		3544	cf::face::set_type $idx, $type;
		3545	cf::face::set_csum $idx, 0, $hash;
		3546
		3547	# we need to destroy the SV itself, not just modify it, as a running ix
		3548	# might hold a reference to it: "delete" achieves that.
		3549	delete $FOFS[0][$idx];
		3550	delete $DATA[0][$idx];
		3551	$DATA[0][$idx] = $data;
		3552	$SIZE[0][$idx] = length $data;
		3553	delete $META[$idx];
		3554	$HASH{$hash} = $idx;#d#
		3555
		3556	$idx
		3557	}
		3558
		3559	sub _get_data($$$) {
		3560	my ($idx, $set, $cb) = @_;
		3561
		3562	if (defined $DATA[$set][$idx]) {
		3563	$cb->($DATA[$set][$idx]);
		3564	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3565	my $size = $SIZE[$set][$idx];
		3566	my $buf;
		3567	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3568	if ($_[0] == $size) {
		3569	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3570	$cb->($buf);
		3571	} else {
		3572	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3573	}
		3574	};
		3575	} else {
		3576	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3577	}
		3578	}
		3579
		3580	# rather ineffient
		3581	sub cf::face::get_data($;$) {
		3582	my ($idx, $set) = @_;
		3583
		3584	_get_data $idx, $set, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $set, $idx, $pri) = @_;
		3590
		3591	_get_data $idx, $set, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595	}
		3596
2488	sub load_facedata($) {	3597	sub load_facedata($) {
2489	my ($path) = @_;	3598	my ($path) = @_;
2490		3599
		3600	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3601
2491	warn "loading facedata from $path\n";	3602	trace "loading facedata from $path\n";
2492		3603
2493	my $facedata;	3604	my $facedata = decode_storable load_file "$path/faceinfo";
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3605
2499	$facedata->{version} == 2	3606	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3607	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3608
		3609	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3610	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3611
		3612	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3613
		3614	# BEGIN ATOMIC
		3615	# from here on, everything must be atomic - no thread switch allowed
		3616	my $t1 = EV::time;
2501		3617
2502	{	3618	{
2503	my $faces = $facedata->{faceinfo};	3619	my $faces = $facedata->{faceinfo};
2504		3620
2505	while (my ($face, $info) = each %$faces) {	3621	for my $face (sort keys %$faces) {
		3622	my $info = $faces->{$face};
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3623	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3624
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3625	cf::face::set_visibility $idx, $info->{visibility};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3626	cf::face::set_magicmap $idx, $info->{magicmap};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3627	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2510	Coro::cede;	3628	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3629	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3630	$cf::face::HASH{$info->{hash64}} = $idx;
		3631	delete $cf::face::META[$idx];
2511	}	3632	}
2512		3633
2513	while (my ($face, $info) = each %$faces) {	3634	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3635	next unless $info->{smooth};
		3636
2515	my $idx = cf::face::find $face	3637	my $idx = cf::face::find $face
2516	or next;	3638	or next;
		3639
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3640	if (my $smooth = cf::face::find $info->{smooth}) {
		3641	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3642	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3643	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3644	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3645	}
2522	Coro::cede;
2523	}	3646	}
2524	}	3647	}
2525		3648
2526	{	3649	{
2527	my $anims = $facedata->{animinfo};	3650	my $anims = $facedata->{animinfo};
2528		3651
2529	while (my ($anim, $info) = each %$anims) {	3652	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3653	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;
2532	}	3654	}
2533		3655
2534	cf::anim::invalidate_all; # d'oh	3656	cf::anim::invalidate_all; # d'oh
2535	}	3657	}
2536		3658
		3659	{
		3660	my $res = $facedata->{resource};
		3661
		3662	while (my ($name, $info) = each %$res) {
		3663	if (defined (my $type = $info->{type})) {
		3664	# TODO: different hash - must free and use new index, or cache ixface data queue
		3665	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3666
		3667	cf::face::set_type $idx, $type;
		3668	cf::face::set_csum $idx, 0, $info->{hash};
		3669	$cf::face::SIZE[0][$idx] = $info->{size};
		3670	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3671	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3672	$cf::face::HASH{$info->{hash}} = $idx;
		3673	} else {
		3674	# $RESOURCE{$name} = $info; # unused
		3675	}
		3676	}
		3677	}
		3678
		3679	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3680
		3681	# HACK to clear player env face cache, we need some signal framework
		3682	# for this (global event?)
		3683	%ext::player_env::MUSIC_FACE_CACHE = ();
		3684
		3685	# END ATOMIC
		3686
		3687	cf::debug "facedata atomic update time ", EV::time - $t1;
		3688
		3689	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3690
		3691	aio_close $fh if $fh; # close old facedata
		3692
2537	1	3693	1
2538	}	3694	}
2539		3695
		3696	register_exticmd fx_want => sub {
		3697	my ($ns, $want) = @_;
		3698
		3699	while (my ($k, $v) = each %$want) {
		3700	$ns->fx_want ($k, $v);
		3701	}
		3702	};
		3703
		3704	sub load_resource_file($) {
		3705	my $guard = lock_acquire "load_resource_file";
		3706
		3707	my $status = load_resource_file_ $_[0];
		3708	get_slot 0.1, 100;
		3709	cf::arch::commit_load;
		3710
		3711	$status
		3712	}
		3713
		3714	sub reload_exp_table {
		3715	_reload_exp_table;
		3716
		3717	cf::face::set
		3718	"res/exp_table" => FT_RSRC,
		3719	JSON::XS->new->utf8->canonical->encode (
		3720	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3721	);
		3722	}
		3723
		3724	sub reload_materials {
		3725	_reload_materials;
		3726	}
		3727
2540	sub reload_regions {	3728	sub reload_regions {
		3729	# HACK to clear player env face cache, we need some signal framework
		3730	# for this (global event?)
		3731	%ext::player_env::MUSIC_FACE_CACHE = ();
		3732
2541	load_resource_file "$MAPDIR/regions"	3733	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3734	or die "unable to load regions file\n";
		3735
		3736	for (cf::region::list) {
		3737	$_->{match} = qr/$_->{match}/
		3738	if exists $_->{match};
		3739	}
2543	}	3740	}
2544		3741
2545	sub reload_facedata {	3742	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3743	load_facedata $DATADIR
2547	or die "unable to load facedata\n";	3744	or die "unable to load facedata\n";
2548	}	3745	}
2549		3746
2550	sub reload_archetypes {	3747	sub reload_archetypes {
2551	load_resource_file "$DATADIR/archetypes"	3748	load_resource_file "$DATADIR/archetypes"
2552	or die "unable to load archetypes\n";	3749	or die "unable to load archetypes\n";
		3750
		3751	cf::face::set
		3752	"res/skill_info" => FT_RSRC,
		3753	JSON::XS->new->utf8->canonical->encode (
		3754	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3755	);
		3756
		3757	cf::face::set
		3758	"res/spell_paths" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3761	);
2553	}	3762	}
2554		3763
2555	sub reload_treasures {	3764	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3765	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3766	or die "unable to load treasurelists\n";
2558	}	3767	}
2559		3768
		3769	sub reload_sound {
		3770	trace "loading sound config from $DATADIR/sound\n";
		3771
		3772	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3773
		3774	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3775	my $sound = $soundconf->{compat}[$_]
		3776	or next;
		3777
		3778	my $face = cf::face::find "sound/$sound->[1]";
		3779	cf::sound::set $sound->[0] => $face;
		3780	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3781	}
		3782
		3783	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3784	my $face = cf::face::find "sound/$v";
		3785	cf::sound::set $k => $face;
		3786	}
		3787	}
		3788
2560	sub reload_resources {	3789	sub reload_resources {
2561	warn "reloading resource files...\n";	3790	trace "reloading resource files...\n";
2562		3791
		3792	reload_materials;
		3793	reload_facedata;
		3794	reload_exp_table;
		3795	reload_sound;
		3796	reload_archetypes;
2563	reload_regions;	3797	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3798	reload_treasures;
2567		3799
2568	warn "finished reloading resource files\n";	3800	trace "finished reloading resource files\n";
2569	}	3801	}
2570		3802
2571	sub init {	3803	sub reload_config {
2572	reload_resources;	3804	trace "reloading config file...\n";
2573	}
2574		3805
2575	sub cfg_load {	3806	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3807	utf8::decode $config;
2577	or return;	3808	*CFG = decode_yaml $config;
2578		3809
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3810	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3811
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3812	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3813	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3814
2587	if (exists $CFG{mlockall}) {	3815	if (exists $CFG{mlockall}) {
…		…
2591	};	3819	};
2592	warn $@ if $@;	3820	warn $@ if $@;
2593	}	3821	}
2594	}	3822	}
2595		3823
		3824	sub pidfile() {
		3825	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3826	or die "$PIDFILE: $!";
		3827	flock $fh, &Fcntl::LOCK_EX
		3828	or die "$PIDFILE: flock: $!";
		3829	$fh
		3830	}
		3831
		3832	# make sure only one server instance is running at any one time
		3833	sub atomic {
		3834	my $fh = pidfile;
		3835
		3836	my $pid = <$fh>;
		3837	kill 9, $pid if $pid > 0;
		3838
		3839	seek $fh, 0, 0;
		3840	print $fh $$;
		3841	}
		3842
		3843	sub main_loop {
		3844	trace "EV::loop starting\n";
		3845	if (1) {
		3846	EV::loop;
		3847	}
		3848	trace "EV::loop returned\n";
		3849	goto &main_loop unless $REALLY_UNLOOP;
		3850	}
		3851
2596	sub main {	3852	sub main {
		3853	cf::init_globals; # initialise logging
		3854
		3855	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3856	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3857	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3858	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3859
		3860	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3861
2597	# we must not ever block the main coroutine	3862	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3863	$Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3864	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3865	(async {
2601	Event::one_event;	3866	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3867	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3868	})->prio (Coro::PRIO_MAX);
2603	};	3869	};
2604		3870
2605	cfg_load;	3871	evthread_start IO::AIO::poll_fileno;
		3872
		3873	cf::sync_job {
		3874	cf::incloader::init ();
		3875
2606	db_init;	3876	db_init;
		3877
		3878	cf::init_anim;
		3879	cf::init_attackmess;
		3880	cf::init_dynamic;
		3881
		3882	cf::load_settings;
		3883
		3884	reload_resources;
		3885	reload_config;
		3886
		3887	cf::init_uuid;
		3888	cf::init_signals;
		3889	cf::init_skills;
		3890
		3891	cf::init_beforeplay;
		3892
		3893	atomic;
		3894
2607	load_extensions;	3895	load_extensions;
2608		3896
2609	$TICK_WATCHER->start;	3897	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3898
		3899	# no (long-running) fork's whatsoever before this point(!)
		3900	use POSIX ();
		3901	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3902
		3903	cf::_post_init 0;
		3904	};
		3905
		3906	cf::object::thawer::errors_are_fatal 0;
		3907	info "parse errors in files are no longer fatal from this point on.\n";
		3908
		3909	AE::postpone {
		3910	undef &main; # free gobs of memory :)
		3911	};
		3912
		3913	goto &main_loop;
2611	}	3914	}
2612		3915
2613	#############################################################################	3916	#############################################################################
2614	# initialisation and cleanup	3917	# initialisation and cleanup
2615		3918
2616	# install some emergency cleanup handlers	3919	# install some emergency cleanup handlers
2617	BEGIN {	3920	BEGIN {
		3921	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3922	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3923	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3924	cf::cleanup "SIG$signal";
2626	},
2627	);	3925	};
		3926	}
		3927	}
		3928
		3929	sub write_runtime_sync {
		3930	my $t0 = AE::time;
		3931
		3932	# first touch the runtime file to show we are still running:
		3933	# the fsync below can take a very very long time.
		3934
		3935	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3936
		3937	my $guard = cf::lock_acquire "write_runtime";
		3938
		3939	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3940	or return;
		3941
		3942	my $value = $cf::RUNTIME + 90 + 10;
		3943	# 10 is the runtime save interval, for a monotonic clock
		3944	# 60 allows for the watchdog to kill the server.
		3945
		3946	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3947	and return;
		3948
		3949	# always fsync - this file is important
		3950	aio_fsync $fh
		3951	and return;
		3952
		3953	# touch it again to show we are up-to-date
		3954	aio_utime $fh, undef, undef;
		3955
		3956	close $fh
		3957	or return;
		3958
		3959	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3960	and return;
		3961
		3962	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3963
2628	}	3964	1
		3965	}
		3966
		3967	our $uuid_lock;
		3968	our $uuid_skip;
		3969
		3970	sub write_uuid_sync($) {
		3971	$uuid_skip ||= $_[0];
		3972
		3973	return if $uuid_lock;
		3974	local $uuid_lock = 1;
		3975
		3976	my $uuid = "$LOCALDIR/uuid";
		3977
		3978	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3979	or return;
		3980
		3981	my $value = uuid_seq uuid_cur;
		3982
		3983	unless ($value) {
		3984	info "cowardly refusing to write zero uuid value!\n";
		3985	return;
		3986	}
		3987
		3988	my $value = uuid_str $value + $uuid_skip;
		3989	$uuid_skip = 0;
		3990
		3991	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3992	and return;
		3993
		3994	# always fsync - this file is important
		3995	aio_fsync $fh
		3996	and return;
		3997
		3998	close $fh
		3999	or return;
		4000
		4001	aio_rename "$uuid~", $uuid
		4002	and return;
		4003
		4004	trace "uuid file written ($value).\n";
		4005
		4006	1
		4007
		4008	}
		4009
		4010	sub write_uuid($$) {
		4011	my ($skip, $sync) = @_;
		4012
		4013	$sync ? write_uuid_sync $skip
		4014	: async { write_uuid_sync $skip };
2629	}	4015	}
2630		4016
2631	sub emergency_save() {	4017	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	4018	my $freeze_guard = cf::freeze_mainloop;
2633		4019
2634	warn "enter emergency perl save\n";	4020	info "emergency_perl_save: enter\n";
		4021
		4022	# this is a trade-off: we want to be very quick here, so
		4023	# save all maps without fsync, and later call a global sync
		4024	# (which in turn might be very very slow)
		4025	local $USE_FSYNC = 0;
2635		4026
2636	cf::sync_job {	4027	cf::sync_job {
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
2637	# use a peculiar iteration method to avoid tripping on perl	4030	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	4031	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	4032	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	4033	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	4034	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	4035	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	4036	$pl->valid or next;
		4037	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	4038	$pl->save;
2645	}	4039	}
2646	warn "end emergency player save\n";	4040	info "emergency_perl_save: end player save\n";
2647		4041
2648	warn "begin emergency map save\n";	4042	cf::write_runtime_sync; # external watchdog should not bark
		4043
		4044	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	4045	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	4046	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	4047	$map->valid or next;
2652	$map->save;	4048	$map->save;
2653	}	4049	}
2654	warn "end emergency map save\n";	4050	info "emergency_perl_save: end map save\n";
2655		4051
2656	warn "begin emergency database checkpoint\n";	4052	cf::write_runtime_sync; # external watchdog should not bark
		4053
		4054	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	4055	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	4056	info "emergency_perl_save: end database checkpoint\n";
		4057
		4058	info "emergency_perl_save: begin write uuid\n";
		4059	write_uuid_sync 1;
		4060	info "emergency_perl_save: end write uuid\n";
		4061
		4062	cf::write_runtime_sync; # external watchdog should not bark
		4063
		4064	trace "emergency_perl_save: syncing database to disk";
		4065	BDB::db_env_txn_checkpoint $DB_ENV;
		4066
		4067	info "emergency_perl_save: starting sync\n";
		4068	IO::AIO::aio_sync sub {
		4069	info "emergency_perl_save: finished sync\n";
		4070	};
		4071
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	trace "emergency_perl_save: flushing outstanding aio requests";
		4075	while (IO::AIO::nreqs || BDB::nreqs) {
		4076	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4077	}
		4078
		4079	cf::write_runtime_sync; # external watchdog should not bark
2659	};	4080	};
2660		4081
2661	warn "leave emergency perl save\n";	4082	info "emergency_perl_save: leave\n";
2662	}	4083	}
2663		4084
2664	sub post_cleanup {	4085	sub post_cleanup {
2665	my ($make_core) = @_;	4086	my ($make_core) = @_;
2666		4087
		4088	IO::AIO::flush;
		4089
2667	warn Carp::longmess "post_cleanup backtrace"	4090	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	4091	if $make_core;
		4092
		4093	my $fh = pidfile;
		4094	unlink $PIDFILE if <$fh> == $$;
		4095	}
		4096
		4097	# a safer delete_package, copied from Symbol
		4098	sub clear_package($) {
		4099	my $pkg = shift;
		4100
		4101	# expand to full symbol table name if needed
		4102	unless ($pkg =~ /^main::.*::$/) {
		4103	$pkg = "main$pkg" if $pkg =~ /^::/;
		4104	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4105	$pkg .= '::' unless $pkg =~ /::$/;
		4106	}
		4107
		4108	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4109	my $stem_symtab = *{$stem}{HASH};
		4110
		4111	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4112	or return;
		4113
		4114	# clear all symbols
		4115	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4116	for my $name (keys %$leaf_symtab) {
		4117	_gv_clear *{"$pkg$name"};
		4118	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4119	}
2669	}	4120	}
2670		4121
2671	sub do_reload_perl() {	4122	sub do_reload_perl() {
2672	# can/must only be called in main	4123	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	4124	unless (in_main) {
2674	warn "can only reload from main coroutine";	4125	error "can only reload from main coroutine";
2675	return;	4126	return;
2676	}	4127	}
2677		4128
2678	warn "reloading...";	4129	return if $RELOAD++;
2679		4130
2680	warn "entering sync_job";	4131	my $t1 = AE::time;
2681		4132
		4133	while ($RELOAD) {
		4134	cf::get_slot 0.1, -1, "reload_perl";
		4135	info "perl_reload: reloading...";
		4136
		4137	trace "perl_reload: entering sync_job";
		4138
2682	cf::sync_job {	4139	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	4140	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		4141
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	4142	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	4143	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	4144	%EXT_CORO = ();
2711		4145
2712	warn "removing commands";	4146	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4147	%COMMAND = ();
2714		4148
2715	warn "removing ext commands";	4149	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4150	%EXTCMD = ();
		4151	%EXTICMD = ();
2717		4152
2718	warn "unloading/nuking all extensions";	4153	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4154	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4155	trace "... unloading $pkg";
2721		4156
2722	if (my $cb = $pkg->can ("unload")) {	4157	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4158	eval {
2724	$cb->($pkg);	4159	$cb->($pkg);
2725	1	4160	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4161	} or error "$pkg unloaded, but with errors: $@";
		4162	}
		4163
		4164	trace "... clearing $pkg";
		4165	clear_package $pkg;
2727	}	4166	}
2728		4167
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4168	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4169	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4170	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4171
2737	warn "... unloading $k";	4172	trace "... unloading $k";
2738	delete $INC{$k};	4173	delete $INC{$k};
2739		4174
2740	$k =~ s/\.pm$//;	4175	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4176	$k =~ s/\//::/g;
2742		4177
2743	if (my $cb = $k->can ("unload_module")) {	4178	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4179	$cb->();
		4180	}
		4181
		4182	clear_package $k;
2745	}	4183	}
2746		4184
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4185	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4186	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4187	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4188
2754	warn "unloading cf.pm \"a bit\"";	4189	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4190	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4191	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4192
2758	# don't, removes xs symbols, too,	4193	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4194	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4195	#clear_package __PACKAGE__;
2761		4196
2762	warn "unload completed, starting to reload now";	4197	info "perl_reload: unload completed, starting to reload now";
2763		4198
2764	warn "reloading cf.pm";	4199	trace "perl_reload: reloading cf.pm";
2765	require cf;	4200	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4201	cf::_connect_to_perl_1;
2767		4202
2768	warn "loading config and database again";	4203	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4204	cf::reload_config;
2770		4205
2771	warn "loading extensions";	4206	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4207	cf::load_extensions;
2773		4208
		4209	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4210	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4211	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4212	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4213	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4214	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4215	reattach $_ for values %PLAYER;
		4216	}
2780		4217
2781	warn "leaving sync_job";	4218	cf::_post_init 1;
2782		4219
		4220	trace "perl_reload: leaving sync_job";
		4221
2783	1	4222	1
2784	} or do {	4223	} or do {
2785	warn $@;	4224	error $@;
2786	warn "error while reloading, exiting.";	4225	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4226	};
		4227
		4228	--$RELOAD;
2788	};	4229	}
2789		4230
2790	warn "reloaded";	4231	$t1 = AE::time - $t1;
		4232	info "perl_reload: completed in ${t1}s\n";
2791	};	4233	};
2792		4234
2793	our $RELOAD_WATCHER; # used only during reload	4235	our $RELOAD_WATCHER; # used only during reload
2794		4236
2795	sub reload_perl() {	4237	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4238	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4239	# coro crashes during coro_state_free->destroy here.
2798		4240
2799	$RELOAD_WATCHER ||= Event->timer (	4241	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4242	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4243
2802	data => WF_AUTOCANCEL,	4244	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4245	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4246	undef $RELOAD_WATCHER;
2806	},	4247	};
2807	);	4248	};
2808	}	4249	}
2809		4250
2810	register_command "reload" => sub {	4251	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4252	my ($who, $arg) = @_;
2812		4253
2813	if ($who->flag (FLAG_WIZ)) {	4254	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4255	$who->message ("reloading server.");
		4256	async {
		4257	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4258	reload_perl;
		4259	};
2816	}	4260	}
2817	};	4261	};
2818		4262
2819	unshift @INC, $LIBDIR;	4263	#############################################################################
2820		4264
2821	my $bug_warning = 0;	4265	my $bug_warning = 0;
2822		4266
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4267	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4268	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4269
2830	my $signal = new Coro::Signal;	4270	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4271	}
2834		4272
2835	sub wait_for_tick_begin {	4273	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4275
2839	my $signal = new Coro::Signal;	4276	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4277	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4278	$signal->wait;
2842	}	4279	}
2843		4280
2844	my $min = 1e6;#d#	4281	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4282	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4283	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4284	unless ++$bug_warning > 10;
2856	return;	4285	return;
2857	}	4286	}
2858		4287
2859	$NOW = $tick_start = Event::time;	4288	cf::one_tick; # one server iteration
2860		4289
2861	cf::server_tick; # one server iteration	4290	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4291
2863	0 && sync_job {#d#	4292	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4293	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4294	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4295	$Coro::current->{desc} = "runtime saver";
2867	or die;	4296	write_runtime_sync
2868		4297	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4298	};
		4299	}
2885		4300
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4301	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4302	$sig->send;
2902	}	4303	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4304	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4305
2907	$NOW = Event::time;	4306	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4307	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4308
2918	_post_tick;	4309	if (0) {
2919		4310	if ($NEXT_TICK) {
2920		4311	my $jitter = $TICK_START - $NEXT_TICK;
		4312	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4313	debug "jitter $JITTER\n";#d#
		4314	}
2921	},	4315	}
2922	);	4316	}
2923		4317
2924	{	4318	{
2925	BDB::max_poll_time $TICK * 0.1;	4319	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4320	info "initialising database";
2927	reentrant => 0,	4321
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4322	BDB::min_parallel 16;
2935		4323	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4324	#$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4325
2951	unless ($DB_ENV) {	4326	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4327	$DB_ENV = BDB::db_env_create;
		4328	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4329	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4330	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4331	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4332	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4333
2954	cf::sync_job {	4334	cf::sync_job {
2955	eval {	4335	eval {
2956	BDB::db_env_open	4336	BDB::db_env_open
2957	$DB_ENV,	4337	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4339	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4340	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4341	0666;
2962		4342
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4343	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4344	};
2968		4345
2969	cf::cleanup "db_env_open(db): $@" if $@;	4346	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4347	};
2971	}	4348	}
		4349
		4350	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4351	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4352	};
		4353	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4354	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4355	};
		4356	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4357	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4358	};
		4359
		4360	info "database initialised";
2972	}	4361	}
2973		4362
2974	{	4363	{
		4364	# configure IO::AIO
		4365
		4366	info "initialising aio";
2975	IO::AIO::min_parallel 8;	4367	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4368	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4369	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,	4370	info "aio initialised";
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4371	}
2988		4372
2989	my $_log_backtrace;	4373	our $_log_backtrace;
		4374	our $_log_backtrace_last;
2990		4375
2991	sub _log_backtrace {	4376	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4377	my ($msg, @addr) = @_;
2993		4378
2994	$msg =~ s/\n//;	4379	$msg =~ s/\n$//;
2995		4380
		4381	if ($_log_backtrace_last eq $msg) {
		4382	LOG llevInfo, "[ABT] $msg\n";
		4383	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4384	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4385	} elsif ($_log_backtrace < 2) {
		4386	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4387	++$_log_backtrace;
		4388	my $perl_bt = Carp::longmess $msg;
2999	async {	4389	async {
		4390	$Coro::current->{desc} = "abt $msg";
		4391
3000	my @bt = fork_call {	4392	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4393	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4396	or die "addr2line: $!";
…		…
3012	}	4404	}
3013		4405
3014	@funcs	4406	@funcs
3015	};	4407	};
3016		4408
3017	LOG llevInfo, "[ABT] $msg\n";	4409	LOG llevInfo, "[ABT] $perl_bt\n";
		4410	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4411	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4412	--$_log_backtrace;
3020	};	4413	};
3021	} else {	4414	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4416	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4417	}
3025	}	4418	}
3026		4419
3027	# load additional modules	4420	# load additional modules
3028	use cf::pod;	4421	require "cf/$_.pm" for @EXTRA_MODULES;
		4422	cf::_connect_to_perl_2;
3029		4423
3030	END { cf::emergency_save }	4424	END { cf::emergency_save }
3031		4425
3032	1	4426	1
3033		4427

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