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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		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	my @res = Coro::Util::fork_eval {
427	# or die "socketpair: $!";	745	cf::post_fork;
428	pipe my $fh1, my $fh2	746	&$cb
429	or die "pipe: $!";	747	} @args;
430		748
431	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
432	close $fh2;	750	}
433		751
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
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	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
465	}	788	}
466		789
467	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
468		791
469	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
472		795
473	Stores the given C<$value> in the family. It can currently store binary	796	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).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
476	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
477		825
478	our $DB;	826	our $DB;
479		827
480	sub db_init {	828	sub db_init {
481	unless ($DB) {	829	$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	}	830	}
496		831
497	sub db_get($$) {	832	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
499		834
500	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
501	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
502		839
503	$! ? ()	840	$! ? ()
504	: $data	841	: $data
505	}
506	}	842	}
507		843
508	sub db_put($$$) {	844	sub db_put($$$) {
509	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
538		874
539	my @data;	875	my @data;
540	my $md5;	876	my $md5;
541		877
542	for (0 .. $#$src) {	878	for (0 .. $#$src) {
543	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
544	or Carp::croak "$src->[$_]: $!";
545	}	880	}
546		881
547	# if processing is expensive, check	882	# if processing is expensive, check
548	# checksum first	883	# checksum first
549	if (1) {	884	if (1) {
550	$md5 =	885	$md5 =
551	join "\x00",	886	join "\x00",
552	$processversion,	887	$processversion,
553	map {	888	map {
554	Coro::cede;	889	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	891	} 0.. $#$src;
557		892
558		893
559	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
562		897
563	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
564	}	899	}
565	}	900	}
566		901
567	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
568	my $data = $process->(\@data);	903	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
570		905
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		907
573	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
576		911
…		…
586		921
587	=cut	922	=cut
588		923
589	sub datalog($@) {	924	sub datalog($@) {
590	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	927	}
593		928
594	=back	929	=back
595		930
596	=cut	931	=cut
597		932
598	#############################################################################	933	#############################################################################
599		934
600	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
601		936
602	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
605		940
606	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	943	Deliantra).
609		944
610	=over 4	945	=over 4
611		946
612	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
613		948
…		…
657	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
658		993
659	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
661		996
662	Some classes such as crossfire maps and objects can specify attachments	997	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.	998	that are attached at load/instantiate time, thus the need for a name.
664		999
665	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
666		1001
667	=over 4	1002	=over 4
…		…
791		1126
792	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1129
795	} elsif (ref $type) {	1130	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
797		1132
798	} else {	1133	} else {
799	shift @arg;	1134	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
801	}	1136	}
802	}	1137	}
803	}	1138	}
804		1139
805	sub _object_attach {	1140	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
816	}	1151	}
817		1152
818	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
819	} else {	1154	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1156	}
822		1157
823	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
824	}	1159	}
825		1160
…		…
865	";	1200	";
866	die if $@;	1201	die if $@;
867	}	1202	}
868		1203
869	our $override;	1204	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1206
872	sub override {	1207	sub override {
873	$override = 1;	1208	$override = 1;
874	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
875	}	1210	}
876		1211
877	sub do_invoke {	1212	sub do_invoke {
878	my $event = shift;	1213	my $event = shift;
879	my $callbacks = shift;	1214	my $callbacks = shift;
880		1215
881	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
882		1217
883	local $override;	1218	local $override;
884		1219
885	for (@$callbacks) {	1220	for (@$callbacks) {
886	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
887		1222
888	if ($@) {	1223	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1225	override;
892	}	1226	}
893		1227
894	return 1 if $override;	1228	return 1 if $override;
895	}	1229	}
896		1230
897	0	1231	0
898	}	1232	}
899		1233
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1235
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1237
904	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
905		1239
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1243
910	=back	1244	=back
911		1245
912	=cut	1246	=cut
913		1247
914	#############################################################################	1248	#############################################################################
915	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
916		1292
917	sub reattach {	1293	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1295	my ($obj) = @_;
920		1296
		1297	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1299
923	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
924		1301
925	@$registry = ();	1302	@$registry = ();
926		1303
…		…
931	for (@$attach) {	1308	for (@$attach) {
932	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
934	}	1311	}
935	} else {	1312	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1314	}
938	}	1315	}
939	}	1316	}
940		1317
941	cf::attachable->attach (	1318	cf::attachable->attach (
942	prio => -1000000,	1319	prio => -1000000,
943	on_instantiate => sub {	1320	on_instantiate => sub {
944	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
945		1322
946	$data = from_json $data;	1323	$data = decode_json $data;
947		1324
948	for (@$data) {	1325	for (@$data) {
949	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
950		1327
951	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1344	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
969		1346
970	sync_job {	1347	sync_job {
971	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
974		1353
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
979	close $fh;	1361	aio_close $fh;
980		1362
981	if (@$objs) {	1363	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
987	close $fh;	1372	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
989	}	1374	}
990	} else {	1375	} else {
991	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
992	}	1377	}
993		1378
994	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1383	} else {
996	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
997	}	1385	}
998	} else {	1386	} else {
999	aio_unlink $filename;	1387	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1001	}	1389	}
1002	}	1390	};
1003	}	1391	}
1004		1392
1005	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1007		1395
…		…
1019	or return;	1407	or return;
1020		1408
1021	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1411	or return;
		1412
1024	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1025	}	1415	}
1026		1416
		1417	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1029	return ($data, $av);	1422	($data, $av)
1030	}	1423	}
1031		1424
1032	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1033		1426
1034	=over 4	1427	=over 4
…		…
1036	=cut	1429	=cut
1037		1430
1038	#############################################################################	1431	#############################################################################
1039	# command handling &c	1432	# command handling &c
1040		1433
1041	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1042		1435
1043	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1044	$name.	1437	$name.
1045		1438
1046	=cut	1439	=cut
…		…
1052	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1053		1446
1054	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1055	}	1448	}
1056		1449
1057	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1058		1451
1059	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1060	extcmd packet. Ext commands will be processed in the order they are	1453	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	1454	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	1455	the logged-in player. Ext commands can only be processed after a player
1063	has logged in successfully.	1456	has logged in successfully.
1064		1457
1065	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1066	called.
1067		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1068	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1069		1466
1070	Register a callback for execution when the client sends an (asynchronous)	1467	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	1468	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	1469	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	1470	is a client socket. Exti commands can be received anytime, even before
1074	log-in.	1471	log-in.
1075		1472
1076	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1077	called.
1078		1474
1079	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1080		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1081	sub register_extcmd {	1482	sub register_extcmd($$) {
1082	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1083		1484
1084	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1085	}	1486	}
1086		1487
1087	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1088	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1089		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1090	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1091	}	1498	}
1092		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1093	cf::player->attach (	1508	cf::player->attach (
1094	on_command => sub {	1509	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1096		1511
1097	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1098	or return;	1513	or return;
1099		1514
…		…
1107	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1108		1523
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1525
1111	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1114	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1115	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1116	}	1547	}
		1548
1117	} else {	1549	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1551	}
1120		1552
1121	cf::override;	1553	cf::override;
1122	},	1554	},
1123	);	1555	);
1124		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1125	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1126	cf::sync_job {	1586	cf::sync_job {
1127	my %todo;	1587	my %todo;
1128		1588
1129	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1590	next unless -r $path;
…		…
1148		1608
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1611
1152	$ext{source} =	1612	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1155	. $source	1615	. $source
1156	. "\n};\n1";	1616	. "\n};\n1";
1157		1617
1158	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1159	}	1619	}
1160		1620
		1621	my $pass = 0;
1161	my %done;	1622	my %done;
1162	while (%todo) {	1623	while (%todo) {
1163	my $progress;	1624	my $progress;
1164		1625
		1626	++$pass;
		1627
		1628	ext:
1165	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1631	next ext
1168	unless exists $done{$_};	1632	unless exists $done{$_};
1169	}	1633	}
1170		1634
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1636
1173	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1178	warn $msg;	1653
1179	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1655	delete $todo{$k};
1181	}	1656	} else {
1182		1657	$done{$k} = delete $todo{$k};
1183	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1184	}	1663	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1664	}
1190		1665
1191	skip:	1666	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1194	}	1676	}
1195	};	1677	};
1196	}	1678	}
1197		1679
1198	#############################################################################	1680	#############################################################################
1199		1681
1200	=back	1682	=back
1201		1683
1202	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1203		1685
1204	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1205		1687
1206	=cut	1688	=cut
1207		1689
1208	package cf::player;	1690	package cf::player;
1209		1691
1210	use Coro::AIO;	1692	use Coro::AIO;
1211		1693
1212	=head3 cf::player	1694	=head3 cf::player
1213		1695
1214	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1215		1711
1216	=item cf::player::find $login	1712	=item cf::player::find $login
1217		1713
1218	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1219		1715
…		…
1238		1734
1239	sub exists($) {	1735	sub exists($) {
1240	my ($login) = @_;	1736	my ($login) = @_;
1241		1737
1242	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1244	}	1740	}
1245		1741
1246	sub find($) {	1742	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1744	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1755
1260	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1263	}	1765	}
1264	}	1766	}
1265	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1266		1781
1267	sub save($) {	1782	sub save($) {
1268	my ($pl) = @_;	1783	my ($pl) = @_;
1269		1784
1270	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1276		1791
1277	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1279		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1280	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1281	Coro::cede;	1801	cf::cede_to_tick;
1282	}	1802	}
1283		1803
1284	sub new($) {	1804	sub new($) {
1285	my ($login) = @_;	1805	my ($login) = @_;
1286		1806
…		…
1292	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1293		1813
1294	$self	1814	$self
1295	}	1815	}
1296		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1297	=item $pl->quit_character	1827	=item $pl->quit_character
1298		1828
1299	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1301		1831
…		…
1305	my ($pl) = @_;	1835	my ($pl) = @_;
1306		1836
1307	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1308		1838
1309	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1841
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1315	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1316		1850
1317	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1354	or return [];	1888	or return [];
1355		1889
1356	my @logins;	1890	my @logins;
1357		1891
1358	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1362		1902
1363	utf8::decode $login;	1903	utf8::decode $login;
1364	push @logins, $login;	1904	push @logins, $login;
1365	}	1905	}
1366		1906
1367	\@logins	1907	\@logins
1368	}	1908	}
1369		1909
1370	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1371		1913
1372	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1373	player. May block.	1915	player. May block.
1374		1916
1375	=cut	1917	=cut
…		…
1393	}	1935	}
1394		1936
1395	\@paths	1937	\@paths
1396	}	1938	}
1397		1939
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1941
1400	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1401		1943
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	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)
1449
1450	Sends an ext reply to the player.
1451
1452	=cut
1453
1454	sub ext_reply($$%) {
1455	my ($self, $id, %msg) = @_;
1456
1457	$msg{msgid} = $id;
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}
1460
1461	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1462		1945
1463	Sends an ext event to the client.	1946	Sends an ext event to the client.
1464		1947
1465	=cut	1948	=cut
1466		1949
1467	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1469		1952
1470	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1471	}	1954	}
1472		1955
1473	=head3 cf::region	1956	=head3 cf::region
1474		1957
1475	=over 4	1958	=over 4
…		…
1485	=cut	1968	=cut
1486		1969
1487	sub find_by_path($) {	1970	sub find_by_path($) {
1488	my ($path) = @_;	1971	my ($path) = @_;
1489		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1490	my ($match, $specificity);	1975	my ($match, $specificity);
1491		1976
1492	for my $region (list) {	1977	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1496	}	1981	}
1497	}	1982	}
1498		1983
…		…
1519	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1521		2006
1522	sub generate_random_map {	2007	sub generate_random_map {
1523	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1524	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1525	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1536	(cf::region::find $rmp->{region}), $rmp->{custom}
1537	)
1538	}	2013	}
1539		2014
1540	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1541		2016
1542	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1547		2022
1548	sub register {	2023	sub register {
1549	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1550	my $pkg = caller;	2025	my $pkg = caller;
1551		2026
1552	no strict;
1553	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1554		2028
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	2030	}
1557		2031
1558	# also paths starting with '/'	2032	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		2034
1561	sub thawer_merge {	2035	sub thawer_merge {
1562	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1563		2037
1564	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1569	}	2043	}
1570		2044
1571	sub normalise {	2045	sub normalise {
1572	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1573		2047
1574	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1575		2049
1576	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1577		2051
1578	# map plan:	2052	# map plan:
1579	#	2053	#
…		…
1594	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1595	$path = "$base/$path";	2069	$path = "$base/$path";
1596	}	2070	}
1597		2071
1598	for ($path) {	2072	for ($path) {
1599	redo if s{//}{/};
1600	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1601	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1602	}	2075	}
1603		2076
1604	$path	2077	$path
…		…
1618	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1619	return $self;	2092	return $self;
1620	}	2093	}
1621	}	2094	}
1622		2095
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1624	()	2097	()
1625	}	2098	}
1626		2099
		2100	# may re-bless or do other evil things
1627	sub init {	2101	sub init {
1628	my ($self) = @_;	2102	my ($self) = @_;
1629		2103
1630	$self	2104	$self
1631	}	2105	}
…		…
1650		2124
1651	# the temporary/swap location	2125	# the temporary/swap location
1652	sub save_path {	2126	sub save_path {
1653	my ($self) = @_;	2127	my ($self) = @_;
1654		2128
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1657	}	2131	}
1658		2132
1659	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1660	sub uniq_path {	2134	sub uniq_path {
1661	my ($self) = @_;	2135	my ($self) = @_;
1662		2136
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	2139	}
1675		2140
1676	sub decay_objects {	2141	sub decay_objects {
1677	my ($self) = @_;	2142	my ($self) = @_;
1678		2143
…		…
1691		2156
1692	sub load_header_from($) {	2157	sub load_header_from($) {
1693	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1694		2159
1695	utf8::encode $path;	2160	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	2162	or return;
1701		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1702	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1703		2171
1704	1	2172	1
1705	}	2173	}
1706		2174
		2175	# used to laod the header of an original map
1707	sub load_header_orig {	2176	sub load_header_orig {
1708	my ($self) = @_;	2177	my ($self) = @_;
1709		2178
1710	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1711	}	2180	}
1712		2181
		2182	# used to laod the header of an instantiated map
1713	sub load_header_temp {	2183	sub load_header_temp {
1714	my ($self) = @_;	2184	my ($self) = @_;
1715		2185
1716	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1717	}	2187	}
1718		2188
		2189	# called after loading the header from an instantiated map
1719	sub prepare_temp {	2190	sub prepare_temp {
1720	my ($self) = @_;	2191	my ($self) = @_;
1721		2192
1722	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1723	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1724	# safety	2195	# safety
1725	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1726	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1727	}	2198	}
1728		2199
		2200	# called after loading the header from an original map
1729	sub prepare_orig {	2201	sub prepare_orig {
1730	my ($self) = @_;	2202	my ($self) = @_;
1731		2203
1732	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1733	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1757		2229
1758	sub find;	2230	sub find;
1759	sub find {	2231	sub find {
1760	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1761		2233
		2234	cf::cede_to_tick;
		2235
1762	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1763		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2240
1766	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1769	or return;	2243	or return;
1770		2244
1771	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1772		2246
…		…
1774	or return;	2248	or return;
1775		2249
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1779	$map->reset;	2255	$map->reset;
1780	undef $guard;
1781	return find $path;	2256	return find $path;
1782	}	2257	}
1783		2258
1784	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1785	}	2260	}
1786	}	2261	}
1787		2262
1788	sub pre_load { }	2263	sub pre_load { }
1789	sub post_load { }	2264	#sub post_load { } # XS
1790		2265
1791	sub load {	2266	sub load {
1792	my ($self) = @_;	2267	my ($self) = @_;
1793		2268
1794	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1795		2270
1796	my $path = $self->{path};	2271	my $path = $self->{path};
1797		2272
1798	{	2273	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1800		2275
		2276	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1802
1803	$self->in_memory (cf::MAP_LOADING);
1804		2278
1805	$self->alloc;	2279	$self->alloc;
1806		2280
1807	$self->pre_load;	2281	$self->pre_load;
1808	Coro::cede;	2282	cf::cede_to_tick;
1809		2283
1810	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1811	or return;	2288	or return;
1812		2289
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1814	if delete $self->{load_original};	2291	if delete $self->{load_original};
1815		2292
1816	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2294	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2297	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1821	}	2302	}
1822	}
1823		2303
1824	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1825	# now do the right thing for maps	2313	# now do the right thing for maps
1826	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2316	unless $self->difficulty;
1829	Coro::cede;	2317	cf::cede_to_tick;
1830		2318
1831	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2320	$self->decay_objects;
1833	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1834	$self->update_buttons;	2322	$self->update_buttons;
1835	Coro::cede;	2323	cf::cede_to_tick;
1836	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1837	Coro::cede;
1838	$self->activate;
1839	}	2325	}
1840		2326
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1842	}	2329	}
1843		2330
1844	$self->post_load;	2331	$self->post_load;
1845	}
1846		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2339	sub customise_for {
1848	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1849		2341
1850	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2343	if $self->per_player;
…		…
1854	# if $self->per_party;	2346	# if $self->per_party;
1855		2347
1856	$self	2348	$self
1857	}	2349	}
1858		2350
1859	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {
1861	my ($map) = @_;
1862
1863	my @diag; # diagonal neighbours
1864
1865	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)
1867	or next;
1868	$neigh = find $neigh, $map
1869	or next;
1870	$neigh->load;
1871
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}
1875
1876	for (@diag) {
1877	my $neigh = find @$_
1878	or next;
1879	$neigh->load;
1880	}
1881	}
1882
1883	sub find_sync {	2351	sub find_sync {
1884	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1885		2353
1886	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1887	}	2359	}
1888		2360
1889	sub do_load_sync {	2361	sub do_load_sync {
1890	my ($map) = @_;	2362	my ($map) = @_;
1891		2363
1892	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1893	}	2369	}
1894		2370
1895	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1897		2373
1898	sub find_async {	2374	sub find_async {
1899	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1900		2376
1901	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1902		2378
1903	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1905	}	2381	}
1906		2382
1907	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1908	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1909	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2390	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2391	$map->load if $v;
		2392	}
1914		2393
1915	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1916	}	2395	}
1917	}	2396	}
1918	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1919	};	2398	};
1920	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1921		2400
1922	()	2401	()
1923	}	2402	}
1924		2403
		2404	# common code, used by both ->save and ->swapout
1925	sub save {	2405	sub _save {
1926	my ($self) = @_;	2406	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2407
1930	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1931		2409
1932	return unless $self->dirty;	2410	return unless $self->dirty;
1933		2411
…		…
1939	return if $self->{deny_save};	2417	return if $self->{deny_save};
1940		2418
1941	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1942		2420
1943	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1945	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1946		2427
1947	if ($uniq) {	2428	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2431	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2433	}
1953	}	2434	}
1954		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1955	sub swap_out {	2444	sub swap_out {
1956	my ($self) = @_;	2445	my ($self) = @_;
1957		2446
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1963	return if $self->players;	2451	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1967	$self->clear;	2462	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2463	}
1970		2464
1971	sub reset_at {	2465	sub reset_at {
1972	my ($self) = @_;	2466	my ($self) = @_;
1973		2467
…		…
1991		2485
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2487
1994	return if $self->players;	2488	return if $self->players;
1995		2489
1996	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1997		2491
1998	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1999		2493
2000	# need to save uniques path	2494	# need to save uniques path
2001	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2002	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2003		2497
…		…
2005	if $uniq;	2499	if $uniq;
2006	}	2500	}
2007		2501
2008	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2009		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2506	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2507
2014	$self->unlink_save;	2508	$self->unlink_save;
2015	$self->destroy;	2509	$self->destroy;
2016	}	2510	}
2017		2511
2018	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2019		2513
2020	sub nuke {	2514	sub nuke {
2021	my ($self) = @_;	2515	my ($self) = @_;
2022		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2023	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2024		2521
2025	$self->unlink_save;	2522	$self->unlink_save;
2026		2523
2027	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2529
2033	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2034		2532
2035	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2036	}	2534	}
2037		2535
2038	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2080		2578
2081	sub unique_maps() {	2579	sub unique_maps() {
2082	[	2580	[
2083	map {	2581	map {
2084	utf8::decode $_;	2582	utf8::decode $_;
2085	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2086	? normalise $_	2586	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2588	]
2090	}	2589	}
2091		2590
2092	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2093		2622
2094	=back	2623	=back
2095		2624
2096	=head3 cf::object	2625	=head3 cf::object
2097		2626
…		…
2101		2630
2102	=over 4	2631	=over 4
2103		2632
2104	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2105		2634
2106	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2107		2637
2108	=cut	2638	=cut
2109		2639
2110	sub inv_recursive_;	2640	sub inv_recursive_;
2111	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2114		2644
2115	sub inv_recursive {	2645	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2117	}	2647	}
2118		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2119	package cf;	2677	package cf;
2120		2678
2121	=back	2679	=back
2122		2680
2123	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2132		2690
2133	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2134		2706
2135	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2708	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2145		2717
2146	} else {	2718	} else {
2147	my $pl = $self->contr;	2719	my $pl = $self->contr;
2148		2720
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2724
2158	} else {	2725	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2728	}
2162	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2163	}	2740	}
2164		2741
2165	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2166		2743
2167	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2180		2757
2181	=item $player_object->enter_link	2758	=item $player_object->enter_link
2182		2759
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2761
2185	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2187		2766
2188	Will never block.	2767	Will never block.
2189		2768
2190	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2191		2770
…		…
2211	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2791	my ($self) = @_;
2213		2792
2214	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2215		2794
		2795	++$self->{_link_recursion};
		2796
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2798
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2220		2801
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2803	}
2223		2804
2224	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2226		2807
…		…
2243	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2245		2826
2246	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2249		2830
2250	$map->load;	2831	$map->load;
2251	$map->load_diag;
2252		2832
2253	return unless $self->contr->active;	2833	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2834
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2258	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2259		2842
		2843	}
		2844
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2846
2262	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2266		2855
2267	=cut	2856	=cut
2268		2857
2269	our $GOTOGEN;	2858	our $GOTOGEN;
2270		2859
2271	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2273		2868
2274	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2871
2277	$self->enter_link;	2872	$self->enter_link;
2278		2873
2279	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2280	my $map = eval {	2896	my $map = eval {
2281	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2282		2898
2283	if ($map) {	2899	if ($map) {
2284	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2902	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2904	}
2289		2905
2290	$map	2906	$map
2291	};	2907	};
2292		2908
…		…
2297		2913
2298	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2301	}	2917	}
		2918
		2919	$done->($self) if $done;
2302	})->prio (1);	2920	})->prio (1);
2303	}	2921	}
2304		2922
2305	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2306		2924
…		…
2326	}	2944	}
2327		2945
2328	sub prepare_random_map {	2946	sub prepare_random_map {
2329	my ($exit) = @_;	2947	my ($exit) = @_;
2330		2948
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2951	# that depends on the exit object
2336		2952
2337	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2955	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2344	}	2962	}
2345		2963
2346	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2347		2965
2348	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2351		2969
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2972	undef $fh;
2355	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2356		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2359	}	2981	}
2360	}	2982	}
2361		2983
2362	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2364		2986
2365	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2366		2988
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2989	$self->enter_link;
2379		2990
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2991	(async {
2385	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2386	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2387	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2388		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2389	1;	3030	1
2390	}) {	3031	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2395		3036
2396	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	3038	$self->leave_link;
2398	}	3039	}
2399	})->prio (1);	3040	})->prio (1);
2400	}	3041	}
2401		3042
2402	=head3 cf::client	3043	=head3 cf::client
2403		3044
2404	=over 4	3045	=over 4
2405		3046
2406	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2407		3048
2408	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2409	should not be used under normal circumstances.	3050	them as required.
2410		3051
2411	=cut	3052	=cut
2412		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2413	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2414	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2415		3058
2416	utf8::encode $text;	3059	# try lzf for large packets
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
2418	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2419		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		3073
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2423	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2426		3078
2427	=cut	3079	=cut
2428		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2429	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3203
2432	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
2433		3225
2434	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2435		3227
2436	if ($self->can_msg) {	3228	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3230	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3231
2449	if ($color >= 0) {	3232	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3233	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3235	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2460	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2461		3241
2462	Sends an ext event to the client.	3242	Sends an ext event to the client.
2463		3243
2464	=cut	3244	=cut
2465		3245
2466	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2468		3248
2469	$msg{msgtype} = "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2471	}	3250	}
2472		3251
2473	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2474		3253
2475	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2495		3274
2496	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2497	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2498		3277
2499	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2500	}	3318	}
2501		3319
2502	cf::client->attach (	3320	cf::client->attach (
2503	on_connect => sub {	3321	on_connect => sub {
2504	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
2530	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
2531		3349
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3351
2534	if (ref $msg) {	3352	if (ref $msg) {
		3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3354
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3355	if (my $cb = $EXTIACMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3356	$cb->(
2537	$reply{msgid} = $msg->{msgid};	3357	$ns,
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
		3368	@reply = $cb->($ns, @payload);
2539	}	3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
2540	}	3373	}
2541	} else {	3374	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3376	}
2544		3377
2545	cf::override;	3378	cf::override;
2546	},	3379	},
2547	);	3380	);
…		…
2567		3400
2568	$coro	3401	$coro
2569	}	3402	}
2570		3403
2571	cf::client->attach (	3404	cf::client->attach (
2572	on_destroy => sub {	3405	on_client_destroy => sub {
2573	my ($ns) = @_;	3406	my ($ns) = @_;
2574		3407
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3409	},
2577	);	3410	);
…		…
2592	our $safe = new Safe "safe";	3425	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2594		3427
2595	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2596		3429
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3430	$safe->permit_only (Opcode::opset qw(
		3431	:base_core :base_mem :base_orig :base_math :base_loop
		3432	grepstart grepwhile mapstart mapwhile
		3433	sort time
		3434	));
2598		3435
2599	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
2600		3437
2601	=pod	3438	=pod
2602		3439
2603	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2604		3441
2605	cf::object	3442	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3443	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3444	insert remove name archname title slaying race decrease split
		3445	value
2608		3446
2609	cf::object::player	3447	cf::object::player
2610	player	3448	player
2611		3449
2612	cf::player	3450	cf::player
…		…
2617		3455
2618	=cut	3456	=cut
2619		3457
2620	for (	3458	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3460	insert remove inv nrof name archname title slaying race
		3461	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2626	) {	3465	) {
2627	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2630	for @funs;	3468	for @funs;
2631	}	3469	}
2632		3470
…		…
2647		3485
2648	my $qcode = $code;	3486	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2651		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2652	local $_;	3493	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3494
2655	my $eval =	3495	my $eval =
2656	"do {\n"	3496	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3499	. $code
2660	. "\n}"	3500	. "\n}"
2661	;	3501	;
2662		3502
		3503	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2666		3512
2667	if ($@) {	3513	if ($@) {
2668	warn "$@";	3514	warn "$@",
2669	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
2671	}	3517	}
2672		3518
2673	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
2674	}	3520	}
2675		3521
…		…
2689	=cut	3535	=cut
2690		3536
2691	sub register_script_function {	3537	sub register_script_function {
2692	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
2693		3539
2694	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
2696	}	3542	}
2697		3543
2698	=back	3544	=back
2699		3545
2700	=cut	3546	=cut
2701		3547
2702	#############################################################################	3548	#############################################################################
2703	# the server's init and main functions	3549	# the server's init and main functions
2704		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
2705	sub load_facedata($) {	3628	sub load_facedata($) {
2706	my ($path) = @_;	3629	my ($path) = @_;
2707		3630
		3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3632
2708	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
2709		3634
2710	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
2711	0 < aio_load $path, $facedata
2712	or die "$path: $!";
2713
2714	$facedata = Coro::Storable::thaw $facedata;
2715		3636
2716	$facedata->{version} == 2	3637	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3639
		3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3642
		3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3644
		3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
2718		3648
2719	{	3649	{
2720	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
2721		3651
2722	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3655
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3656	cf::face::set_visibility $idx, $info->{visibility};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2727	Coro::cede;	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
2728	}	3663	}
2729		3664
2730	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
2732	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
2733	or next;	3669	or next;
		3670
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
		3672	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3674	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3676	}
2739	Coro::cede;
2740	}	3677	}
2741	}	3678	}
2742		3679
2743	{	3680	{
2744	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
2745		3682
2746	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;
2749	}	3685	}
2750		3686
2751	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
2752	}	3688	}
2753		3689
		3690	{
		3691	my $res = $facedata->{resource};
		3692
		3693	while (my ($name, $info) = each %$res) {
		3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
		3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3697
		3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
		3704	} else {
		3705	# $RESOURCE{$name} = $info; # unused
		3706	}
		3707	}
		3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
2754	1	3724	1
2755	}	3725	}
2756		3726
		3727	register_exticmd fx_want => sub {
		3728	my ($ns, $want) = @_;
		3729
		3730	while (my ($k, $v) = each %$want) {
		3731	$ns->fx_want ($k, $v);
		3732	}
		3733	};
		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
		3758
2757	sub reload_regions {	3759	sub reload_regions {
		3760	# HACK to clear player env face cache, we need some signal framework
		3761	# for this (global event?)
		3762	%ext::player_env::MUSIC_FACE_CACHE = ();
		3763
2758	load_resource_file "$MAPDIR/regions"	3764	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3765	or die "unable to load regions file\n";
		3766
		3767	for (cf::region::list) {
		3768	$_->{match} = qr/$_->{match}/
		3769	if exists $_->{match};
		3770	}
2760	}	3771	}
2761		3772
2762	sub reload_facedata {	3773	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
2764	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
2765	}	3776	}
2766		3777
2767	sub reload_archetypes {	3778	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references	3781
2771	# this really needs to be done in an extra post-pass	3782	cf::face::set
2772	# (which needs to be synchronous, so solve it differently)	3783	"res/skill_info" => FT_RSRC,
2773	load_resource_file "$DATADIR/archetypes"	3784	JSON::XS->new->utf8->canonical->encode (
2774	or die "unable to load archetypes\n";	3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
2775	}	3807	}
2776		3808
2777	sub reload_treasures {	3809	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
2780	}	3812	}
2781		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
2782	sub reload_resources {	3834	sub reload_resources {
2783	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
2784		3836
		3837	reload_materials;
		3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
		3841	reload_archetypes;
2785	reload_regions;	3842	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3843	reload_treasures;
2790		3844
2791	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
2792	}	3846	}
2793		3847
2794	sub init {	3848	sub reload_config {
2795	reload_resources;	3849	trace "reloading config file...\n";
2796	}
2797		3850
2798	sub cfg_load {	3851	my $config = load_file "$CONFDIR/config";
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3852	utf8::decode $config;
2800	or return;	3853	*CFG = decode_yaml $config;
2801		3854
2802	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;
2804
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3856
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3859
2810	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
2814	};	3864	};
2815	warn $@ if $@;	3865	warn $@ if $@;
2816	}	3866	}
2817	}	3867	}
2818		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
2819	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
2820	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3908	$Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3910	(async {
2824	Event::one_event;	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3912	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
2826	};	3914	};
2827		3915
2828	cfg_load;	3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
2829	db_init;	3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
		3930	reload_config;
		3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
2830	load_extensions;	3940	load_extensions;
2831		3941
2832	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
2834	}	3959	}
2835		3960
2836	#############################################################################	3961	#############################################################################
2837	# initialisation and cleanup	3962	# initialisation and cleanup
2838		3963
2839	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
2840	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
2849	},
2850	);	3970	};
2851	}	3971	}
2852	}	3972	}
2853		3973
2854	sub write_runtime {	3974	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3975	my $t0 = AE::time;
2856		3976
2857	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
2859		3979
2860	IO::AIO::aio_utime $runtime, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3981
2862	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
2863		3983
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3985	or return;
2866		3986
2867	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3999	aio_utime $fh, undef, undef;
2880		4000
2881	close $fh	4001	close $fh
2882	or return;	4002	or return;
2883		4003
2884	aio_rename "$runtime~", $runtime	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	4005	and return;
2886		4006
2887	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		4008
2889	1	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
2890	}	4060	}
2891		4061
2892	sub emergency_save() {	4062	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
2894		4064
2895	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
2896		4071
2897	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
2898	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	4081	$pl->valid or next;
		4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	4083	$pl->save;
2906	}	4084	}
2907	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
2908		4086
2909	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	4092	$map->valid or next;
2913	$map->save;	4093	$map->save;
2914	}	4094	}
2915	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
2916		4096
2917	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
2920	};	4125	};
2921		4126
2922	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
2923	}	4128	}
2924		4129
2925	sub post_cleanup {	4130	sub post_cleanup {
2926	my ($make_core) = @_;	4131	my ($make_core) = @_;
2927		4132
		4133	IO::AIO::flush;
		4134
2928	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
2930	}	4165	}
2931		4166
2932	sub do_reload_perl() {	4167	sub do_reload_perl() {
2933	# can/must only be called in main	4168	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
2935	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
2936	return;	4171	return;
2937	}	4172	}
2938		4173
2939	warn "reloading...";	4174	return if $RELOAD++;
2940		4175
2941	warn "entering sync_job";	4176	my $t1 = AE::time;
2942		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
2943	cf::sync_job {	4184	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	4185	#cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		4186
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	4189	%EXT_CORO = ();
2972		4190
2973	warn "removing commands";	4191	trace "perl_reload: removing commands";
2974	%COMMAND = ();	4192	%COMMAND = ();
2975		4193
2976	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
2977	%EXTCMD = ();	4195	%EXTCMD = ();
2978	%EXTICMD = ();	4196	%EXTICMD = ();
2979		4197
2980	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
2983		4201
2984	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
2985	eval {	4203	eval {
2986	$cb->($pkg);	4204	$cb->($pkg);
2987	1	4205	1
2988	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
2989	}	4211	}
2990		4212
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		4216
2999	warn "... unloading $k";	4217	trace "... unloading $k";
3000	delete $INC{$k};	4218	delete $INC{$k};
3001		4219
3002	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3004		4222
3005	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
3007	}	4228	}
3008		4229
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		4233
3016	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		4237
3020	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3021	# and global variables created in xs	4239	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3023		4241
3024	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3025		4243
3026	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3027	require cf;	4245	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3029		4247
3030	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3031	cf::cfg_load;	4249	cf::reload_config;
3032		4250
3033	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3034	cf::load_extensions;	4252	cf::load_extensions;
3035		4253
		4254	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3039	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3042		4262
3043	warn "leaving sync_job";	4263	cf::_post_init 1;
3044		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
3045	1	4267	1
3046	} or do {	4268	} or do {
3047	warn $@;	4269	error $@;
3048	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
3049	exit 1;	4271	};
		4272
		4273	--$RELOAD;
3050	};	4274	}
3051		4275
3052	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3053	};	4278	};
3054		4279
3055	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3056		4281
3057	sub reload_perl() {	4282	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3060		4285
3061	$RELOAD_WATCHER ||= Event->timer (	4286	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	4287	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	4288
3064	data => WF_AUTOCANCEL,	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	4290	do_reload_perl;
3067	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
3068	},	4292	};
3069	);	4293	};
3070	}	4294	}
3071		4295
3072	register_command "reload" => sub {	4296	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
3074		4298
3075	if ($who->flag (FLAG_WIZ)) {	4299	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	4300	$who->message ("reloading server.");
		4301	async {
		4302	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	4303	reload_perl;
		4304	};
3078	}	4305	}
3079	};	4306	};
3080		4307
3081	unshift @INC, $LIBDIR;	4308	#############################################################################
3082		4309
3083	my $bug_warning = 0;	4310	my $bug_warning = 0;
3084		4311
3085	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;
3087
3088	sub wait_for_tick {	4312	sub wait_for_tick() {
3089	return unless $TICK_WATCHER->is_active;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3090	return if $Coro::current == $Coro::main;
3091		4314
3092	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3093	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;
3095	}	4316	}
3096		4317
3097	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3098	return unless $TICK_WATCHER->is_active;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3099	return if $Coro::current == $Coro::main;
3100		4320
3101	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4323	$signal->wait;
3104	}	4324	}
3105		4325
3106	my $min = 1e6;#d#	4326	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3118	return;	4330	return;
3119	}	4331	}
3120		4332
3121	$NOW = $tick_start = Event::time;	4333	cf::one_tick; # one server iteration
3122		4334
3123	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3124		4336
3125	0 && sync_job {#d#	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	4339	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4340	$Coro::current->{desc} = "runtime saver";
3129	or die;	4341	write_runtime_sync
3130		4342	or error "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4343	};
		4344	}
3147		4345
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4347	$sig->send;
3164	}	4348	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3166	$sig->send;
3167	}
3168		4350
3169	$NOW = Event::time;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4353
3180	_post_tick;	4354	if (0) {
3181		4355	if ($NEXT_TICK) {
3182		4356	my $jitter = $TICK_START - $NEXT_TICK;
		4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4358	debug "jitter $JITTER\n";#d#
		4359	}
3183	},	4360	}
3184	);	4361	}
3185		4362
3186	{	4363	{
3187	BDB::max_poll_time $TICK * 0.1;	4364	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4365	info "initialising database";
3189	reentrant => 0,	4366
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3197		4368	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4370
3213	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
		4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4378
3216	cf::sync_job {	4379	cf::sync_job {
3217	eval {	4380	eval {
3218	BDB::db_env_open	4381	BDB::db_env_open
3219	$DB_ENV,	4382	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4384	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4385	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4386	0666;
3224		4387
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4388	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4389	};
3230		4390
3231	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4392	};
3233	}	4393	}
		4394
		4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4397	};
		4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4400	};
		4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4403	};
		4404
		4405	info "database initialised";
3234	}	4406	}
3235		4407
3236	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
3237	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,	4415	info "aio initialised";
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4416	}
3250		4417
3251	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3252		4420
3253	sub _log_backtrace {	4421	sub _log_backtrace {
3254	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3255		4423
3256	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3257		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3258	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3260	++$_log_backtrace;	4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
3261	async {	4434	async {
		4435	$Coro::current->{desc} = "abt $msg";
		4436
3262	my @bt = fork_call {	4437	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4438	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4439	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4440	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4441	or die "addr2line: $!";
…		…
3274	}	4449	}
3275		4450
3276	@funcs	4451	@funcs
3277	};	4452	};
3278		4453
3279	LOG llevInfo, "[ABT] $msg\n";	4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4457	--$_log_backtrace;
3282	};	4458	};
3283	} else {	4459	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3286	}	4462	}
3287	}	4463	}
3288		4464
3289	# load additional modules	4465	# load additional modules
3290	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3291		4468
3292	END { cf::emergency_save }	4469	END { cf::emergency_save }
3293		4470
3294	1	4471	1
3295		4472

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