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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.300 by root, Tue Jul 10 06:44:29 2007 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 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 ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
34		67
35	# configure various modules to our taste	68	# configure various modules to our taste
36	#	69	#
37	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		78
41	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
42		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		81
48	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;
49		85
50	our %COMMAND = ();	86	our %COMMAND = ();
51	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
52		88
53	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
58		96
59	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
63	our $DATADIR = datadir;	104	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
67	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		125
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	144	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		145
82	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
93		149
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		152
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
100		165
101	binmode STDOUT;	166	binmode STDOUT;
102	binmode STDERR;	167	binmode STDERR;
103		168
104	# read virtual server time, if available	169	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
109	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
110		177
111	mkdir $_	178	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		180
114	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
115		182
116	sub cf::map::normalise;	183	sub cf::map::normalise;
117		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
118	#############################################################################	189	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
121		203
122	=over 4	204	=over 4
123		205
124	=item $cf::UPTIME	206	=item $cf::UPTIME
125		207
126	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.
127		224
128	=item $cf::RUNTIME	225	=item $cf::RUNTIME
129		226
130	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
131	every server tick.	228	every server tick.
132		229
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		233
137	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
140	database environment.	237	database environment.
141		238
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	239	=item $cf::LOADAVG
151		240
152	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
157		246
158	The raw value load value from the last tick.	247	The raw value load value from the last tick.
159		248
160	=item %cf::CFG	249	=item %cf::CFG
161		250
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	252	from wherever your confdir points to.
164		253
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		255
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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.
170		289
171	=back	290	=back
172		291
173	=cut	292	=cut
174		293
175	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	301	my $msg = join "", @_;
178		302
179	$msg .= "\n"	303	$msg .= "\n"
180	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
181		305
182	$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;
183		307
184	utf8::encode $msg;
185	LOG llevError, $msg;	308	LOG llevWarn, $msg;
186	};	309	};
187	}	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	};
188		324
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	335	for my $pkg (qw(
200	cf::global cf::attachable	336	cf::global cf::attachable
201	cf::object cf::object::player	337	cf::object cf::object::player
202	cf::client cf::player	338	cf::client cf::player
203	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
204	cf::map cf::party cf::region	341	cf::party cf::region
205	)) {	342	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	344	}
209		345
210	$Event::DIED = sub {	346	$EV::DIED = sub {
211	warn "error in event callback: @_";	347	warn "error in event callback: $@";
212	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
213		354
214	#############################################################################	355	#############################################################################
215		356
216	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
217		358
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	380	$d
240	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
241	}	382	}
242		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
251	=cut	444	=cut
252		445
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		447
255	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		512
258	=item cf::lock_wait $string	513	=item cf::lock_wait $string
259		514
260	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
261		516
262	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
263		518
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
267	returned.	522	returned.
268		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
269	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
270	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
271		529
272	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
273		531
274	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.
275		533
276	=cut	534	=cut
277		535
278	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
279		537
280	sub lock_wait($) {	538	sub lock_wait($) {
281	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	540	}
289		541
290	sub lock_acquire($) {	542	sub lock_acquire($) {
291	my ($key) = @_;	543	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	544	}
303		545
304	sub lock_active($) {	546	sub lock_active($) {
305	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	548	}
309		549
310	sub freeze_mainloop {	550	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
312		552
313	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
318	}	639	}
319		640
320	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
321		642
322	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		648
328	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
329		650
330	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
331		652
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	656	acceptable.
336		657
337	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	663	=cut
343		664
344	sub sync_job(&) {	665	sub sync_job(&) {
345	my ($job) = @_;	666	my ($job) = @_;
346		667
347	if ($Coro::current == $Coro::main) {	668	if (in_main) {
348	my $time = Event::time;	669	my $time = AE::time;
349		670
350	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
352		673
353	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	675
355	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
356		677
357	my $busy = 1;	678	my $busy = 1;
358	my @res;	679	my @res;
359		680
360	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	683	@res = eval { $job->() };
362	warn $@ if $@;	684	error $@ if $@;
363	undef $busy;	685	undef $busy;
364	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
365		687
366	while ($busy) {	688	while ($busy) {
367	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
368	}	693	}
		694	}
369		695
370	$time = Event::time - $time;	696	my $time = AE::time - $time;
371		697
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
376		699
377	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
378	} else {	701	} else {
379	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
380		703
…		…
400	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
401		724
402	$coro	725	$coro
403	}	726	}
404		727
405	=item fork_call { }, $args	728	=item fork_call { }, @args
406		729
407	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
411		734
412	=cut	735	=cut
413		736
414	sub _store_scalar {	737	sub post_fork {
415	open my $fh, ">", \my $buf	738	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	739	}
422		740
423	sub fork_call(&@) {	741	sub fork_call(&@) {
424	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
425		743
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		747
431	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
432	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
433		752
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	754	}
436	$res = Coro::Storable::thaw $res;
437		755
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
465	}	792	}
466		793
467	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
468		795
469	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
472		799
473	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
476	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
477		829
478	our $DB;	830	our $DB;
479		831
480	sub db_init {	832	sub db_init {
481	unless ($DB) {	833	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	834	}
496		835
497	sub db_get($$) {	836	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
499		838
500	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
501	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
502		843
503	$! ? ()	844	$! ? ()
504	: $data	845	: $data
505	}
506	}	846	}
507		847
508	sub db_put($$$) {	848	sub db_put($$$) {
509	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
538		878
539	my @data;	879	my @data;
540	my $md5;	880	my $md5;
541		881
542	for (0 .. $#$src) {	882	for (0 .. $#$src) {
543	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
544	or Carp::croak "$src->[$_]: $!";
545	}	884	}
546		885
547	# if processing is expensive, check	886	# if processing is expensive, check
548	# checksum first	887	# checksum first
549	if (1) {	888	if (1) {
550	$md5 =	889	$md5 =
551	join "\x00",	890	join "\x00",
552	$processversion,	891	$processversion,
553	map {	892	map {
554	Coro::cede;	893	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	895	} 0.. $#$src;
557		896
558		897
559	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
562		901
563	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
564	}	903	}
565	}	904	}
566		905
567	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
568	my $data = $process->(\@data);	907	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
570		909
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		911
573	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
576		915
…		…
586		925
587	=cut	926	=cut
588		927
589	sub datalog($@) {	928	sub datalog($@) {
590	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	931	}
593		932
594	=back	933	=back
595		934
596	=cut	935	=cut
597		936
598	#############################################################################	937	#############################################################################
599		938
600	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
601		940
602	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
605		944
606	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	947	Deliantra).
609		948
610	=over 4	949	=over 4
611		950
612	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
613		952
…		…
657	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
658		997
659	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
661		1000
662	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
664		1003
665	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
666		1005
667	=over 4	1006	=over 4
…		…
791		1130
792	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1133
795	} elsif (ref $type) {	1134	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
797		1136
798	} else {	1137	} else {
799	shift @arg;	1138	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
801	}	1140	}
802	}	1141	}
803	}	1142	}
804		1143
805	sub _object_attach {	1144	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
816	}	1155	}
817		1156
818	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
819	} else {	1158	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1160	}
822		1161
823	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
824	}	1163	}
825		1164
…		…
865	";	1204	";
866	die if $@;	1205	die if $@;
867	}	1206	}
868		1207
869	our $override;	1208	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1210
872	sub override {	1211	sub override {
873	$override = 1;	1212	$override = 1;
874	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
875	}	1214	}
876		1215
877	sub do_invoke {	1216	sub do_invoke {
878	my $event = shift;	1217	my $event = shift;
879	my $callbacks = shift;	1218	my $callbacks = shift;
880		1219
881	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
882		1221
883	local $override;	1222	local $override;
884		1223
885	for (@$callbacks) {	1224	for (@$callbacks) {
886	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
887		1226
888	if ($@) {	1227	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1229	override;
892	}	1230	}
893		1231
894	return 1 if $override;	1232	return 1 if $override;
895	}	1233	}
896		1234
897	0	1235	0
898	}	1236	}
899		1237
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1239
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1241
904	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
905		1243
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1247
910	=back	1248	=back
911		1249
912	=cut	1250	=cut
913		1251
914	#############################################################################	1252	#############################################################################
915	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
916		1296
917	sub reattach {	1297	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1299	my ($obj) = @_;
920		1300
		1301	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1303
923	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
924		1305
925	@$registry = ();	1306	@$registry = ();
926		1307
…		…
931	for (@$attach) {	1312	for (@$attach) {
932	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
934	}	1315	}
935	} else {	1316	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1318	}
938	}	1319	}
939	}	1320	}
940		1321
941	cf::attachable->attach (	1322	cf::attachable->attach (
942	prio => -1000000,	1323	prio => -1000000,
943	on_instantiate => sub {	1324	on_instantiate => sub {
944	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
945		1326
946	$data = from_json $data;	1327	$data = decode_json $data;
947		1328
948	for (@$data) {	1329	for (@$data) {
949	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
950		1331
951	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1348	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
969		1350
970	sync_job {	1351	sync_job {
971	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
974		1357
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
979	close $fh;	1365	aio_close $fh;
980		1366
981	if (@$objs) {	1367	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
987	close $fh;	1376	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
989	}	1378	}
990	} else {	1379	} else {
991	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
992	}	1381	}
993		1382
994	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1387	} else {
996	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
997	}	1389	}
998	} else {	1390	} else {
999	aio_unlink $filename;	1391	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1001	}	1393	}
1002	}	1394	};
1003	}	1395	}
1004		1396
1005	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
1007		1399
…		…
1019	or return;	1411	or return;
1020		1412
1021	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1415	or return;
		1416
1024	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1025	}	1419	}
1026		1420
		1421	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1029	return ($data, $av);	1426	($data, $av)
1030	}	1427	}
1031		1428
1032	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1033		1430
1034	=over 4	1431	=over 4
…		…
1036	=cut	1433	=cut
1037		1434
1038	#############################################################################	1435	#############################################################################
1039	# command handling &c	1436	# command handling &c
1040		1437
1041	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1042		1439
1043	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1044	$name.	1441	$name.
1045		1442
1046	=cut	1443	=cut
…		…
1052	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1053		1450
1054	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1055	}	1452	}
1056		1453
1057	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1058		1455
1059	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1060	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1061	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1062	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1063	has logged in successfully.	1460	has logged in successfully.
1064		1461
1065	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1066	called.
1067		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1068	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1069		1470
1070	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1071	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1072	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1073	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1074	log-in.	1475	log-in.
1075		1476
1076	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1077	called.
1078		1478
1079	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1080		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1081	sub register_extcmd {	1486	sub register_extcmd($$) {
1082	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1083		1488
1084	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1085	}	1490	}
1086		1491
1087	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1088	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1089		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1090	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1091	}	1502	}
1092		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1093	cf::player->attach (	1512	cf::player->attach (
1094	on_command => sub {	1513	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1096		1515
1097	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1098	or return;	1517	or return;
1099		1518
…		…
1107	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1108		1527
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1529
1111	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
1114	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
1115	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1116	}	1551	}
		1552
1117	} else {	1553	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1555	}
1120		1556
1121	cf::override;	1557	cf::override;
1122	},	1558	},
1123	);	1559	);
1124		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1125	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1126	cf::sync_job {	1590	cf::sync_job {
1127	my %todo;	1591	my %todo;
1128		1592
1129	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1594	next unless -r $path;
…		…
1148		1612
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1615
1152	$ext{source} =	1616	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1155	. $source	1619	. $source
1156	. "\n};\n1";	1620	. "\n};\n1";
1157		1621
1158	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1159	}	1623	}
1160		1624
		1625	my $pass = 0;
1161	my %done;	1626	my %done;
1162	while (%todo) {	1627	while (%todo) {
1163	my $progress;	1628	my $progress;
1164		1629
		1630	++$pass;
		1631
		1632	ext:
1165	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1635	next ext
1168	unless exists $done{$_};	1636	unless exists $done{$_};
1169	}	1637	}
1170		1638
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1640
1173	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1178	warn $msg;	1657
1179	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1659	delete $todo{$k};
1181	}	1660	} else {
1182		1661	$done{$k} = delete $todo{$k};
1183	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1184	}	1667	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1668	}
1190		1669
1191	skip:	1670	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1194	}	1680	}
1195	};	1681	};
1196	}	1682	}
1197		1683
1198	#############################################################################	1684	#############################################################################
1199		1685
1200	=back	1686	=back
1201		1687
1202	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1203		1689
1204	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1205		1691
1206	=cut	1692	=cut
1207		1693
1208	package cf::player;	1694	package cf::player;
1209		1695
1210	use Coro::AIO;	1696	use Coro::AIO;
1211		1697
1212	=head3 cf::player	1698	=head3 cf::player
1213		1699
1214	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1215		1715
1216	=item cf::player::find $login	1716	=item cf::player::find $login
1217		1717
1218	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1219		1719
…		…
1238		1738
1239	sub exists($) {	1739	sub exists($) {
1240	my ($login) = @_;	1740	my ($login) = @_;
1241		1741
1242	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1244	}	1744	}
1245		1745
1246	sub find($) {	1746	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1748	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1759
1260	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1263	}	1769	}
1264	}	1770	}
1265	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1266		1785
1267	sub save($) {	1786	sub save($) {
1268	my ($pl) = @_;	1787	my ($pl) = @_;
1269		1788
1270	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1276		1795
1277	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1279		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1280	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1281	Coro::cede;	1805	cf::cede_to_tick;
1282	}	1806	}
1283		1807
1284	sub new($) {	1808	sub new($) {
1285	my ($login) = @_;	1809	my ($login) = @_;
1286		1810
…		…
1292	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1293		1817
1294	$self	1818	$self
1295	}	1819	}
1296		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1297	=item $pl->quit_character	1831	=item $pl->quit_character
1298		1832
1299	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1301		1835
…		…
1305	my ($pl) = @_;	1839	my ($pl) = @_;
1306		1840
1307	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1308		1842
1309	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1845
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1315	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1316		1854
1317	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1354	or return [];	1892	or return [];
1355		1893
1356	my @logins;	1894	my @logins;
1357		1895
1358	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1362		1906
1363	utf8::decode $login;	1907	utf8::decode $login;
1364	push @logins, $login;	1908	push @logins, $login;
1365	}	1909	}
1366		1910
1367	\@logins	1911	\@logins
1368	}	1912	}
1369		1913
1370	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1371		1917
1372	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1373	player. May block.	1919	player. May block.
1374		1920
1375	=cut	1921	=cut
…		…
1393	}	1939	}
1394		1940
1395	\@paths	1941	\@paths
1396	}	1942	}
1397		1943
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1945
1400	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1401		1947
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	warn $_;#d#
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)
1450
1451	Sends an ext reply to the player.
1452
1453	=cut
1454
1455	sub ext_reply($$%) {
1456	my ($self, $id, %msg) = @_;
1457
1458	$msg{msgid} = $id;
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}
1461
1462	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1463		1949
1464	Sends an ext event to the client.	1950	Sends an ext event to the client.
1465		1951
1466	=cut	1952	=cut
1467		1953
1468	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1470		1956
1471	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1472	}	1958	}
1473		1959
1474	=head3 cf::region	1960	=head3 cf::region
1475		1961
1476	=over 4	1962	=over 4
…		…
1486	=cut	1972	=cut
1487		1973
1488	sub find_by_path($) {	1974	sub find_by_path($) {
1489	my ($path) = @_;	1975	my ($path) = @_;
1490		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1491	my ($match, $specificity);	1979	my ($match, $specificity);
1492		1980
1493	for my $region (list) {	1981	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1497	}	1985	}
1498	}	1986	}
1499		1987
…		…
1520	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1522		2010
1523	sub generate_random_map {	2011	sub generate_random_map {
1524	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1526	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	2017	}
1540		2018
1541	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1542		2020
1543	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1548		2026
1549	sub register {	2027	sub register {
1550	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	2029	my $pkg = caller;
1552		2030
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		2032
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2034	}
1558		2035
1559	# also paths starting with '/'	2036	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2038
1562	sub thawer_merge {	2039	sub thawer_merge {
1563	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1564		2041
1565	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1570	}	2047	}
1571		2048
1572	sub normalise {	2049	sub normalise {
1573	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1574		2051
1575	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1576		2053
1577	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1578		2055
1579	# map plan:	2056	# map plan:
1580	#	2057	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2073	$path = "$base/$path";
1597	}	2074	}
1598		2075
1599	for ($path) {	2076	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1603	}	2079	}
1604		2080
1605	$path	2081	$path
…		…
1619	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1620	return $self;	2096	return $self;
1621	}	2097	}
1622	}	2098	}
1623		2099
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2101	()
1626	}	2102	}
1627		2103
		2104	# may re-bless or do other evil things
1628	sub init {	2105	sub init {
1629	my ($self) = @_;	2106	my ($self) = @_;
1630		2107
1631	$self	2108	$self
1632	}	2109	}
…		…
1651		2128
1652	# the temporary/swap location	2129	# the temporary/swap location
1653	sub save_path {	2130	sub save_path {
1654	my ($self) = @_;	2131	my ($self) = @_;
1655		2132
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1658	}	2135	}
1659		2136
1660	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1661	sub uniq_path {	2138	sub uniq_path {
1662	my ($self) = @_;	2139	my ($self) = @_;
1663		2140
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2143	}
1676		2144
1677	sub decay_objects {	2145	sub decay_objects {
1678	my ($self) = @_;	2146	my ($self) = @_;
1679		2147
…		…
1692		2160
1693	sub load_header_from($) {	2161	sub load_header_from($) {
1694	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1695		2163
1696	utf8::encode $path;	2164	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2166	or return;
1702		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1703	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1704		2175
1705	1	2176	1
1706	}	2177	}
1707		2178
		2179	# used to laod the header of an original map
1708	sub load_header_orig {	2180	sub load_header_orig {
1709	my ($self) = @_;	2181	my ($self) = @_;
1710		2182
1711	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1712	}	2184	}
1713		2185
		2186	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2187	sub load_header_temp {
1715	my ($self) = @_;	2188	my ($self) = @_;
1716		2189
1717	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1718	}	2191	}
1719		2192
		2193	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2194	sub prepare_temp {
1721	my ($self) = @_;	2195	my ($self) = @_;
1722		2196
1723	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1725	# safety	2199	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2202	}
1729		2203
		2204	# called after loading the header from an original map
1730	sub prepare_orig {	2205	sub prepare_orig {
1731	my ($self) = @_;	2206	my ($self) = @_;
1732		2207
1733	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2233
1759	sub find;	2234	sub find;
1760	sub find {	2235	sub find {
1761	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1762		2237
		2238	cf::cede_to_tick;
		2239
1763	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1764		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2244
1767	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1770	or return;	2247	or return;
1771		2248
1772	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1773		2250
…		…
1775	or return;	2252	or return;
1776		2253
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1780	$map->reset;	2259	$map->reset;
1781	undef $guard;
1782	return find $path;	2260	return find $path;
1783	}	2261	}
1784		2262
1785	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1786	}	2264	}
1787	}	2265	}
1788		2266
1789	sub pre_load { }	2267	sub pre_load { }
1790	sub post_load { }	2268	#sub post_load { } # XS
1791		2269
1792	sub load {	2270	sub load {
1793	my ($self) = @_;	2271	my ($self) = @_;
1794		2272
1795	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1796		2274
1797	my $path = $self->{path};	2275	my $path = $self->{path};
1798		2276
1799	{	2277	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1801		2279
		2280	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2282
1806	$self->alloc;	2283	$self->alloc;
1807		2284
1808	$self->pre_load;	2285	$self->pre_load;
1809	Coro::cede;	2286	cf::cede_to_tick;
1810		2287
1811	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1812	or return;	2292	or return;
1813		2293
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1815	if delete $self->{load_original};	2295	if delete $self->{load_original};
1816		2296
1817	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2298	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2301	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1822	}	2306	}
1823	}
1824		2307
1825	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1826	# now do the right thing for maps	2317	# now do the right thing for maps
1827	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2320	unless $self->difficulty;
1830	Coro::cede;	2321	cf::cede_to_tick;
1831		2322
1832	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2324	$self->decay_objects;
1834	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1835	$self->update_buttons;	2326	$self->update_buttons;
1836	Coro::cede;	2327	cf::cede_to_tick;
1837	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2329	}
1841		2330
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1843	}	2333	}
1844		2334
1845	$self->post_load;	2335	$self->post_load;
1846	}
1847		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2343	sub customise_for {
1849	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1850		2345
1851	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2347	if $self->per_player;
…		…
1855	# if $self->per_party;	2350	# if $self->per_party;
1856		2351
1857	$self	2352	$self
1858	}	2353	}
1859		2354
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2355	sub find_sync {
1885	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1886		2357
1887	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1888	}	2363	}
1889		2364
1890	sub do_load_sync {	2365	sub do_load_sync {
1891	my ($map) = @_;	2366	my ($map) = @_;
1892		2367
1893	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1894	}	2373	}
1895		2374
1896	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1898		2377
1899	sub find_async {	2378	sub find_async {
1900	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1901		2380
1902	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1903		2382
1904	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1906	}	2385	}
1907		2386
1908	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1909	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1910	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2394	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2395	$map->load if $v;
		2396	}
1915		2397
1916	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1917	}	2399	}
1918	}	2400	}
1919	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1920	};	2402	};
1921	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1922		2404
1923	()	2405	()
1924	}	2406	}
1925		2407
		2408	# common code, used by both ->save and ->swapout
1926	sub save {	2409	sub _save {
1927	my ($self) = @_;	2410	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2411
1931	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1932		2413
1933	return unless $self->dirty;	2414	return unless $self->dirty;
1934		2415
…		…
1940	return if $self->{deny_save};	2421	return if $self->{deny_save};
1941		2422
1942	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1943		2424
1944	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1946	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1947		2431
1948	if ($uniq) {	2432	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2435	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2437	}
1954	}	2438	}
1955		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1956	sub swap_out {	2448	sub swap_out {
1957	my ($self) = @_;	2449	my ($self) = @_;
1958		2450
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1964	return if $self->players;	2455	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1968	$self->clear;	2466	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2467	}
1971		2468
1972	sub reset_at {	2469	sub reset_at {
1973	my ($self) = @_;	2470	my ($self) = @_;
1974		2471
…		…
1992		2489
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2491
1995	return if $self->players;	2492	return if $self->players;
1996		2493
1997	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1998		2495
1999	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
2000		2497
2001	# need to save uniques path	2498	# need to save uniques path
2002	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2501
…		…
2006	if $uniq;	2503	if $uniq;
2007	}	2504	}
2008		2505
2009	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
2010		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2510	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2511
2015	$self->unlink_save;	2512	$self->unlink_save;
2016	$self->destroy;	2513	$self->destroy;
2017	}	2514	}
2018		2515
2019	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2020		2517
2021	sub nuke {	2518	sub nuke {
2022	my ($self) = @_;	2519	my ($self) = @_;
2023		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2024	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2025		2525
2026	$self->unlink_save;	2526	$self->unlink_save;
2027		2527
2028	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2533
2034	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2035		2536
2036	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2037	}	2538	}
2038		2539
2039	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2081		2582
2082	sub unique_maps() {	2583	sub unique_maps() {
2083	[	2584	[
2084	map {	2585	map {
2085	utf8::decode $_;	2586	utf8::decode $_;
2086	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2087	? normalise $_	2590	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2592	]
2091	}	2593	}
2092		2594
2093	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2094		2626
2095	=back	2627	=back
2096		2628
2097	=head3 cf::object	2629	=head3 cf::object
2098		2630
…		…
2102		2634
2103	=over 4	2635	=over 4
2104		2636
2105	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2106		2638
2107	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2108		2641
2109	=cut	2642	=cut
2110		2643
2111	sub inv_recursive_;	2644	sub inv_recursive_;
2112	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2115		2648
2116	sub inv_recursive {	2649	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2118	}	2651	}
2119		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2120	package cf;	2681	package cf;
2121		2682
2122	=back	2683	=back
2123		2684
2124	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2133		2694
2134	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2135		2710
2136	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2712	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2146		2721
2147	} else {	2722	} else {
2148	my $pl = $self->contr;	2723	my $pl = $self->contr;
2149		2724
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2728
2159	} else {	2729	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2732	}
2163	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
2164	}	2744	}
2165		2745
2166	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2167		2747
2168	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2181		2761
2182	=item $player_object->enter_link	2762	=item $player_object->enter_link
2183		2763
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2765
2186	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2188		2770
2189	Will never block.	2771	Will never block.
2190		2772
2191	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2192		2774
…		…
2212	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2795	my ($self) = @_;
2214		2796
2215	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2216		2798
		2799	++$self->{_link_recursion};
		2800
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2802
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2221		2805
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2807	}
2224		2808
2225	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2227		2811
…		…
2244	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2246		2830
2247	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2250		2834
2251	$map->load;	2835	$map->load;
2252	$map->load_diag;
2253		2836
2254	return unless $self->contr->active;	2837	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2838
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2259	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2260		2846
		2847	}
		2848
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2850
2263	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2267		2859
2268	=cut	2860	=cut
2269		2861
2270	our $GOTOGEN;	2862	our $GOTOGEN;
2271		2863
2272	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2273	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2274		2872
2275	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2875
2278	$self->enter_link;	2876	$self->enter_link;
2279		2877
2280	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2281	my $map = eval {	2900	my $map = eval {
2282	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2902
2284	if ($map) {	2903	if ($map) {
2285	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2906	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2908	}
2290		2909
2291	$map	2910	$map
2292	};	2911	};
2293		2912
…		…
2298		2917
2299	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2302	}	2921	}
		2922
		2923	$done->($self) if $done;
2303	})->prio (1);	2924	})->prio (1);
2304	}	2925	}
2305		2926
2306	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2307		2928
…		…
2327	}	2948	}
2328		2949
2329	sub prepare_random_map {	2950	sub prepare_random_map {
2330	my ($exit) = @_;	2951	my ($exit) = @_;
2331		2952
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2955	# that depends on the exit object
2337		2956
2338	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2959	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2345	}	2966	}
2346		2967
2347	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2348		2969
2349	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2352		2973
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2976	undef $fh;
2356	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2357		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2360	}	2985	}
2361	}	2986	}
2362		2987
2363	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2365		2990
2366	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2367		2992
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2993	$self->enter_link;
2380		2994
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2995	(async {
2386	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2387	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2388	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2389		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2390	1;	3034	1
2391	}) {	3035	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2394	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2396		3040
2397	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	3042	$self->leave_link;
2399	}	3043	}
2400	})->prio (1);	3044	})->prio (1);
2401	}	3045	}
2402		3046
…		…
2416		3060
2417	utf8::encode $text;	3061	utf8::encode $text;
2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2419	}	3063	}
2420		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3091
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	3093	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2427		3096
2428	=cut	3097	=cut
2429		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
2430	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3215
2433	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
2434		3237
2435	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2436		3239
2437	if ($self->can_msg) {	3240	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3242	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3243
2450	if ($color >= 0) {	3244	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3247	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2461	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2462		3253
2463	Sends an ext event to the client.	3254	Sends an ext event to the client.
2464		3255
2465	=cut	3256	=cut
2466		3257
2467	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2469		3260
2470	$msg{msgtype} = "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2472	}	3262	}
2473		3263
2474	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2475		3265
2476	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2532		3322
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3324
2535	if (ref $msg) {	3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTIACMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3329	$cb->(
2538	$reply{msgid} = $msg->{msgid};	3330	$ns,
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
2540	}	3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2541	}	3346	}
2542	} else {	3347	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3349	}
2545		3350
2546	cf::override;	3351	cf::override;
2547	},	3352	},
2548	);	3353	);
…		…
2568		3373
2569	$coro	3374	$coro
2570	}	3375	}
2571		3376
2572	cf::client->attach (	3377	cf::client->attach (
2573	on_destroy => sub {	3378	on_client_destroy => sub {
2574	my ($ns) = @_;	3379	my ($ns) = @_;
2575		3380
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3382	},
2578	);	3383	);
…		…
2593	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2595		3400
2596	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2597		3402
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2599		3408
2600	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2601		3410
2602	=pod	3411	=pod
2603		3412
2604	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2605		3414
2606	cf::object	3415	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3416	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3417	insert remove name archname title slaying race decrease split
		3418	value
2609		3419
2610	cf::object::player	3420	cf::object::player
2611	player	3421	player
2612		3422
2613	cf::player	3423	cf::player
…		…
2618		3428
2619	=cut	3429	=cut
2620		3430
2621	for (	3431	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2627	) {	3438	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3441	for @funs;
2632	}	3442	}
2633		3443
…		…
2648		3458
2649	my $qcode = $code;	3459	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2652		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2653	local $_;	3466	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3467
2656	my $eval =	3468	my $eval =
2657	"do {\n"	3469	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3472	. $code
2661	. "\n}"	3473	. "\n}"
2662	;	3474	;
2663		3475
		3476	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2667		3485
2668	if ($@) {	3486	if ($@) {
2669	warn "$@";	3487	warn "$@",
2670	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2672	}	3490	}
2673		3491
2674	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2675	}	3493	}
2676		3494
…		…
2690	=cut	3508	=cut
2691		3509
2692	sub register_script_function {	3510	sub register_script_function {
2693	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2694		3512
2695	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2697	}	3515	}
2698		3516
2699	=back	3517	=back
2700		3518
2701	=cut	3519	=cut
2702		3520
2703	#############################################################################	3521	#############################################################################
2704	# the server's init and main functions	3522	# the server's init and main functions
2705		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
2706	sub load_facedata($) {	3596	sub load_facedata($) {
2707	my ($path) = @_;	3597	my ($path) = @_;
2708		3598
		3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3600
2709	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
2710		3602
2711	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3604
2717	$facedata->{version} == 2	3605	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3607
		3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
		3610
		3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3612
		3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
2719		3616
2720	{	3617	{
2721	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
2722		3619
2723	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3624	cf::face::set_visibility $idx, $info->{visibility};
		3625	cf::face::set_magicmap $idx, $info->{magicmap};
		3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
		3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
2728	Coro::cede;
2729	}	3630	}
2730		3631
2731	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
2732	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
2733	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
2734	or next;	3636	or next;
		3637
2735	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
		3639	cf::face::set_smooth $idx, $smooth;
2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2737	} else {	3641	} else {
2738	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
2739	}	3643	}
2740	Coro::cede;
2741	}	3644	}
2742	}	3645	}
2743		3646
2744	{	3647	{
2745	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
2746		3649
2747	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
2748	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
2749	Coro::cede;
2750	}	3652	}
2751		3653
2752	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
2753	}	3655	}
2754		3656
		3657	{
		3658	my $res = $facedata->{resource};
		3659
		3660	while (my ($name, $info) = each %$res) {
		3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
		3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3664
		3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
		3669	} else {
		3670	# $RESOURCE{$name} = $info; # unused
		3671	}
		3672	}
		3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
2755	1	3689	1
2756	}	3690	}
2757		3691
		3692	register_exticmd fx_want => sub {
		3693	my ($ns, $want) = @_;
		3694
		3695	while (my ($k, $v) = each %$want) {
		3696	$ns->fx_want ($k, $v);
		3697	}
		3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
		3722
2758	sub reload_regions {	3723	sub reload_regions {
		3724	# HACK to clear player env face cache, we need some signal framework
		3725	# for this (global event?)
		3726	%ext::player_env::MUSIC_FACE_CACHE = ();
		3727
2759	load_resource_file "$MAPDIR/regions"	3728	load_resource_file "$MAPDIR/regions"
2760	or die "unable to load regions file\n";	3729	or die "unable to load regions file\n";
		3730
		3731	for (cf::region::list) {
		3732	$_->{match} = qr/$_->{match}/
		3733	if exists $_->{match};
		3734	}
2761	}	3735	}
2762		3736
2763	sub reload_facedata {	3737	sub reload_facedata {
2764	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
2765	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
2766	}	3740	}
2767		3741
2768	sub reload_archetypes {	3742	sub reload_archetypes {
2769	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
2770	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
2771	#d# NEED to laod twice to resolve forward references	3745
2772	# this really needs to be done in an extra post-pass	3746	set_face "res/skill_info" => FT_RSRC,
2773	# (which needs to be synchronous, so solve it differently)	3747	JSON::XS->new->utf8->canonical->encode (
2774	load_resource_file "$DATADIR/archetypes"	3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2775	or die "unable to load archetypes\n";	3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
2776	}	3754	}
2777		3755
2778	sub reload_treasures {	3756	sub reload_treasures {
2779	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2780	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2781	}	3759	}
2782		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
2783	sub reload_resources {	3781	sub reload_resources {
2784	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2785		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2786	reload_regions;	3789	reload_regions;
2787	reload_facedata;
2788	#reload_archetypes;#d#
2789	reload_archetypes;
2790	reload_treasures;	3790	reload_treasures;
2791		3791
2792	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2793	}	3793	}
2794		3794
2795	sub init {	3795	sub reload_config {
2796	reload_resources;	3796	trace "reloading config file...\n";
2797	}
2798		3797
2799	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
2800	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
2801	or return;	3800	*CFG = decode_yaml $config;
2802		3801
2803	local $/;
2804	*CFG = YAML::Syck::Load <$fh>;
2805
2806	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2807		3803
2808	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2809	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2810		3806
2811	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2815	};	3811	};
2816	warn $@ if $@;	3812	warn $@ if $@;
2817	}	3813	}
2818	}	3814	}
2819		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
2820	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
2821	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2822	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2823	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2824	(async {	3857	(async {
2825	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2826	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2827	};	3861	};
2828		3862
2829	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
2830	db_init;	3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
		3877	reload_config;
		3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
2831	load_extensions;	3887	load_extensions;
2832		3888
2833	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2834	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
2835	}	3906	}
2836		3907
2837	#############################################################################	3908	#############################################################################
2838	# initialisation and cleanup	3909	# initialisation and cleanup
2839		3910
2840	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2841	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2842	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2843	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2844	reentrant => 0,
2845	data => WF_AUTOCANCEL,
2846	signal => $signal,
2847	prio => 0,
2848	cb => sub {
2849	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2850	},
2851	);	3917	};
2852	}	3918	}
2853	}	3919	}
2854		3920
2855	sub write_runtime {	3921	sub write_runtime_sync {
2856	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
2857		3923
2858	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
2859	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
2860		3926
2861	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2862		3928
2863	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
2864		3930
2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2866	or return;	3932	or return;
2867		3933
2868	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
2869	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
2870	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
2880	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
2881		3947
2882	close $fh	3948	close $fh
2883	or return;	3949	or return;
2884		3950
2885	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2886	and return;	3952	and return;
2887		3953
2888	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2889		3955
2890	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
2891	}	4007	}
2892		4008
2893	sub emergency_save() {	4009	sub emergency_save() {
2894	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2895		4011
2896	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
2897		4018
2898	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2899	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2900	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2901	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2902	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2903	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2904	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2905	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2906	$pl->save;	4030	$pl->save;
2907	}	4031	}
2908	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2909		4033
2910	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
2911	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2912	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2913	$map->valid or next;	4039	$map->valid or next;
2914	$map->save;	4040	$map->save;
2915	}	4041	}
2916	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
2917		4043
2918	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
2919	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
2920	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
2921	};	4072	};
2922		4073
2923	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2924	}	4075	}
2925		4076
2926	sub post_cleanup {	4077	sub post_cleanup {
2927	my ($make_core) = @_;	4078	my ($make_core) = @_;
2928		4079
		4080	IO::AIO::flush;
		4081
2929	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
2930	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
2931	}	4112	}
2932		4113
2933	sub do_reload_perl() {	4114	sub do_reload_perl() {
2934	# can/must only be called in main	4115	# can/must only be called in main
2935	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
2936	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
2937	return;	4118	return;
2938	}	4119	}
2939		4120
2940	warn "reloading...";	4121	return if $RELOAD++;
2941		4122
2942	warn "entering sync_job";	4123	my $t1 = AE::time;
2943		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
2944	cf::sync_job {	4131	cf::sync_job {
2945	cf::write_runtime; # external watchdog should not bark
2946	cf::emergency_save;	4132	#cf::emergency_save;
2947	cf::write_runtime; # external watchdog should not bark
2948		4133
2949	warn "syncing database to disk";
2950	BDB::db_env_txn_checkpoint $DB_ENV;
2951
2952	# if anything goes wrong in here, we should simply crash as we already saved
2953
2954	warn "cancelling all WF_AUTOCANCEL watchers";
2955	for (Event::all_watchers) {
2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2957	}
2958
2959	warn "flushing outstanding aio requests";
2960	for (;;) {
2961	BDB::flush;
2962	IO::AIO::flush;
2963	Coro::cede;
2964	last unless IO::AIO::nreqs || BDB::nreqs;
2965	warn "iterate...";
2966	}
2967
2968	++$RELOAD;
2969
2970	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
2971	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
2972	%EXT_CORO = ();	4136	%EXT_CORO = ();
2973		4137
2974	warn "removing commands";	4138	trace "perl_reload: removing commands";
2975	%COMMAND = ();	4139	%COMMAND = ();
2976		4140
2977	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
2978	%EXTCMD = ();	4142	%EXTCMD = ();
2979	%EXTICMD = ();	4143	%EXTICMD = ();
2980		4144
2981	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
2982	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
2983	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
2984		4148
2985	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
2986	eval {	4150	eval {
2987	$cb->($pkg);	4151	$cb->($pkg);
2988	1	4152	1
2989	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
2990	}	4158	}
2991		4159
2992	warn "... nuking $pkg";
2993	Symbol::delete_package $pkg;
2994	}
2995
2996	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2997	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
2998	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2999		4163
3000	warn "... unloading $k";	4164	trace "... unloading $k";
3001	delete $INC{$k};	4165	delete $INC{$k};
3002		4166
3003	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3004	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3005		4169
3006	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3007	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3008	}	4175	}
3009		4176
3010	Symbol::delete_package $k;
3011	}
3012
3013	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3014	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3016		4180
3017	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3018	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3019	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3020		4184
3021	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3022	# and global variables created in xs	4186	# and global variables created in xs
3023	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3024		4188
3025	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3026		4190
3027	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3028	require cf;	4192	require cf;
3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3030		4194
3031	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3032	cf::cfg_load;	4196	cf::reload_config;
3033		4197
3034	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3035	cf::load_extensions;	4199	cf::load_extensions;
3036		4200
		4201	if ($REATTACH_ON_RELOAD) {
3037	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3038	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3039	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3040	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3041	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3042	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3043		4209
3044	warn "leaving sync_job";	4210	cf::_post_init 1;
3045		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3046	1	4214	1
3047	} or do {	4215	} or do {
3048	warn $@;	4216	error $@;
3049	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3050	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3051	};	4221	}
3052		4222
3053	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3054	};	4225	};
3055		4226
3056	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3057		4228
3058	sub reload_perl() {	4229	sub reload_perl() {
3059	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3060	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3061		4232
3062	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3063	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3064	after => 0,	4235
3065	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3066	cb => sub {
3067	do_reload_perl;	4237	do_reload_perl;
3068	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3069	},	4239	};
3070	);	4240	};
3071	}	4241	}
3072		4242
3073	register_command "reload" => sub {	4243	register_command "reload" => sub {
3074	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3075		4245
3076	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
3077	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
3078	async { reload_perl };	4250	reload_perl;
		4251	};
3079	}	4252	}
3080	};	4253	};
3081		4254
3082	unshift @INC, $LIBDIR;	4255	#############################################################################
3083		4256
3084	my $bug_warning = 0;	4257	my $bug_warning = 0;
3085		4258
3086	our @WAIT_FOR_TICK;
3087	our @WAIT_FOR_TICK_BEGIN;
3088
3089	sub wait_for_tick {	4259	sub wait_for_tick() {
3090	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3091	return if $Coro::current == $Coro::main;
3092		4261
3093	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3094	push @WAIT_FOR_TICK, $signal;
3095	$signal->wait;
3096	}	4263	}
3097		4264
3098	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3099	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3100	return if $Coro::current == $Coro::main;
3101		4267
3102	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3103	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3104	$signal->wait;	4270	$signal->wait;
3105	}	4271	}
3106		4272
3107	my $min = 1e6;#d#	4273	sub tick {
3108	my $avg = 10;
3109	$TICK_WATCHER = Event->timer (
3110	reentrant => 0,
3111	parked => 1,
3112	prio => 0,
3113	at => $NEXT_TICK || $TICK,
3114	data => WF_AUTOCANCEL,
3115	cb => sub {
3116	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3118	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3119	return;	4277	return;
3120	}	4278	}
3121		4279
3122	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3123		4281
3124	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3125		4283
3126	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	my $t = Event::time;	4286	Coro::async_pool {
3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
3130	or die;	4288	write_runtime_sync
3131		4289	or error "ERROR: unable to write runtime file: $!";
3132	$map->width (50);
3133	$map->height (50);
3134	$map->alloc;
3135	$map->_load_objects ("/tmp/x.map", 1);
3136	my $t = Event::time - $t;
3137
3138	#next unless $t < 0.0013;#d#
3139	if ($t < $min) {
3140	$min = $t;
3141	}
3142	$avg = $avg * 0.99 + $t * 0.01;
3143	}
3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3145	exit 0;
3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3147	};	4290	};
		4291	}
3148		4292
3149	$RUNTIME += $TICK;
3150	$NEXT_TICK += $TICK;
3151
3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
3154	Coro::async_pool {
3155	write_runtime
3156	or warn "ERROR: unable to write runtime file: $!";
3157	};
3158	}
3159
3160	# my $AFTER = Event::time;
3161	# warn $AFTER - $NOW;#d#
3162
3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3164	$sig->send;	4294	$sig->send;
3165	}	4295	}
3166	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3167	$sig->send;
3168	}
3169		4297
3170	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3171
3172	# if we are delayed by four ticks or more, skip them all
3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3174
3175	$TICK_WATCHER->at ($NEXT_TICK);
3176	$TICK_WATCHER->start;
3177
3178	$LOAD = ($NOW - $tick_start) / $TICK;
3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3180		4300
3181	_post_tick;	4301	if (0) {
3182		4302	if ($NEXT_TICK) {
3183		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3184	},	4307	}
3185	);	4308	}
3186		4309
3187	{	4310	{
3188	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
3189	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
3190	reentrant => 0,	4313
3191	fd => BDB::poll_fileno,
3192	poll => 'r',
3193	prio => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => \&BDB::poll_cb,
3196	);
3197	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3198		4315	BDB::max_poll_reqs $TICK * 0.1;
3199	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3200	my $status;
3201	my $current = $Coro::current;
3202	(
3203	sub {
3204	$status = $!;
3205	$current->ready; undef $current;
3206	},
3207	sub {
3208	Coro::schedule while defined $current;
3209	$! = $status;
3210	},
3211	)
3212	};
3213		4317
3214	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3215	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3216		4325
3217	cf::sync_job {	4326	cf::sync_job {
3218	eval {	4327	eval {
3219	BDB::db_env_open	4328	BDB::db_env_open
3220	$DB_ENV,	4329	$DB_ENV,
…		…
3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3224	0666;	4333	0666;
3225		4334
3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3227
3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3229	$DB_ENV->set_lk_detect;
3230	};	4336	};
3231		4337
3232	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3233	};	4339	};
3234	}	4340	}
		4341
		4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4344	};
		4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4347	};
		4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4350	};
		4351
		4352	info "database initialised";
3235	}	4353	}
3236		4354
3237	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3238	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3239
3240	undef $Coro::AIO::WATCHER;
3241	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3242	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3243	reentrant => 0,	4362	info "aio initialised";
3244	data => WF_AUTOCANCEL,
3245	fd => IO::AIO::poll_fileno,
3246	poll => 'r',
3247	prio => 6,
3248	cb => \&IO::AIO::poll_cb,
3249	);
3250	}	4363	}
3251		4364
3252	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3253		4367
3254	sub _log_backtrace {	4368	sub _log_backtrace {
3255	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3256		4370
3257	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3258		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3259	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3260	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3261	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3262	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3263	my @bt = fork_call {	4384	my @bt = fork_call {
3264	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3267	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3275	}	4396	}
3276		4397
3277	@funcs	4398	@funcs
3278	};	4399	};
3279		4400
3280	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3281	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3282	--$_log_backtrace;	4404	--$_log_backtrace;
3283	};	4405	};
3284	} else {	4406	} else {
3285	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3286	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3287	}	4409	}
3288	}	4410	}
3289		4411
3290	# load additional modules	4412	# load additional modules
3291	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3292		4415
3293	END { cf::emergency_save }	4416	END { cf::emergency_save }
3294		4417
3295	1	4418	1
3296		4419

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