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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.294 by root, Tue Jul 3 06:00:48 2007 UTC vs.
Revision 1.602 by root, Sun Nov 11 18:21:21 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
34		67
35	# configure various modules to our taste	68	# configure various modules to our taste
36	#	69	#
37	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		78
41	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
42		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		81
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
49		85
50	our %COMMAND = ();	86	our %COMMAND = ();
51	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
52		88
53	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
58		96
59	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
63	our $DATADIR = datadir;	104	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
67	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
73		125
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
79	our $NOW;	144	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		145
82	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
93		149
94	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		152
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
100		165
101	binmode STDOUT;	166	binmode STDOUT;
102	binmode STDERR;	167	binmode STDERR;
103		168
104	# read virtual server time, if available	169	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
109	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
110		177
111	mkdir $_	178	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		180
114	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
115		182
116	sub cf::map::normalise;	183	sub cf::map::normalise;
117		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
118	#############################################################################	189	#############################################################################
119		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
120	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
121		203
122	=over 4	204	=over 4
123		205
124	=item $cf::UPTIME	206	=item $cf::UPTIME
125		207
126	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
127		224
128	=item $cf::RUNTIME	225	=item $cf::RUNTIME
129		226
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	228	every server tick.
132		229
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		233
137	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
140	database environment.	237	database environment.
141		238
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	239	=item $cf::LOADAVG
151		240
152	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
157		246
158	The raw value load value from the last tick.	247	The raw value load value from the last tick.
159		248
160	=item %cf::CFG	249	=item %cf::CFG
161		250
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	252	from wherever your confdir points to.
164		253
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		255
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
170		289
171	=back	290	=back
172		291
173	=cut	292	=cut
174		293
175	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	301	my $msg = join "", @_;
178		302
179	$msg .= "\n"	303	$msg .= "\n"
180	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
181		305
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		307
184	utf8::encode $msg;
185	LOG llevError, $msg;	308	LOG llevWarn, $msg;
186	};	309	};
187	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
188		324
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	335	for my $pkg (qw(
200	cf::global cf::attachable	336	cf::global cf::attachable
201	cf::object cf::object::player	337	cf::object cf::object::player
202	cf::client cf::player	338	cf::client cf::player
203	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
204	cf::map cf::party cf::region	341	cf::party cf::region
205	)) {	342	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	344	}
209		345
210	$Event::DIED = sub {	346	$EV::DIED = sub {
211	warn "error in event callback: @_";	347	warn "error in event callback: $@";
212	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
213		354
214	#############################################################################	355	#############################################################################
215		356
216	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
217		358
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	380	$d
240	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
241	}	382	}
242		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
251	=cut	444	=cut
252		445
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		447
255	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
257		512
258	=item cf::lock_wait $string	513	=item cf::lock_wait $string
259		514
260	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
261		516
262	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
263		518
264	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
267	returned.	522	returned.
268		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
269	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
271		529
272	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
273		531
274	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
275		533
276	=cut	534	=cut
277		535
278	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
279		537
280	sub lock_wait($) {	538	sub lock_wait($) {
281	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	540	}
289		541
290	sub lock_acquire($) {	542	sub lock_acquire($) {
291	my ($key) = @_;	543	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	544	}
303		545
304	sub lock_active($) {	546	sub lock_active($) {
305	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	548	}
309		549
310	sub freeze_mainloop {	550	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
312		552
313	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
318	}	639	}
319		640
320	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
321		642
322	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		648
328	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
329		650
330	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
331		652
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	656	acceptable.
336		657
337	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	663	=cut
343		664
344	sub sync_job(&) {	665	sub sync_job(&) {
345	my ($job) = @_;	666	my ($job) = @_;
346		667
347	if ($Coro::current == $Coro::main) {	668	if (in_main) {
348	my $time = Event::time;	669	my $time = AE::time;
349		670
350	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
352		673
353	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	675
355	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
356		677
357	my $busy = 1;	678	my $busy = 1;
358	my @res;	679	my @res;
359		680
360	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	683	@res = eval { $job->() };
362	warn $@ if $@;	684	error $@ if $@;
363	undef $busy;	685	undef $busy;
364	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
365		687
366	while ($busy) {	688	while ($busy) {
367	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
368	}	693	}
		694	}
369		695
370	$time = Event::time - $time;	696	my $time = AE::time - $time;
371		697
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
376		699
377	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
378	} else {	701	} else {
379	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
380		703
…		…
400	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
401		724
402	$coro	725	$coro
403	}	726	}
404		727
405	=item fork_call { }, $args	728	=item fork_call { }, @args
406		729
407	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
411		734
412	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
413		740
414	sub fork_call(&@) {	741	sub fork_call(&@) {
415	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
416		743
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		747
422	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
423	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
424		752
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	754	}
427		755
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
447	}	792	}
448		793
449	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
450		795
451	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
454		799
455	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
458	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
459		829
460	our $DB;	830	our $DB;
461		831
462	sub db_init {	832	sub db_init {
463	unless ($DB) {	833	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	834	}
478		835
479	sub db_get($$) {	836	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
481		838
482	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
483	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
484		843
485	$! ? ()	844	$! ? ()
486	: $data	845	: $data
487	}
488	}	846	}
489		847
490	sub db_put($$$) {	848	sub db_put($$$) {
491	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		878
521	my @data;	879	my @data;
522	my $md5;	880	my $md5;
523		881
524	for (0 .. $#$src) {	882	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	884	}
528		885
529	# if processing is expensive, check	886	# if processing is expensive, check
530	# checksum first	887	# checksum first
531	if (1) {	888	if (1) {
532	$md5 =	889	$md5 =
533	join "\x00",	890	join "\x00",
534	$processversion,	891	$processversion,
535	map {	892	map {
536	Coro::cede;	893	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	895	} 0.. $#$src;
539		896
540		897
541	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		901
545	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
546	}	903	}
547	}	904	}
548		905
549	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
550	my $data = $process->(\@data);	907	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
552		909
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		911
555	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
558		915
…		…
568		925
569	=cut	926	=cut
570		927
571	sub datalog($@) {	928	sub datalog($@) {
572	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	931	}
575		932
576	=back	933	=back
577		934
578	=cut	935	=cut
579		936
580	#############################################################################	937	#############################################################################
581		938
582	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
583		940
584	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
587		944
588	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	947	Deliantra).
591		948
592	=over 4	949	=over 4
593		950
594	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
595		952
…		…
639	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
640		997
641	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
643		1000
644	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
646		1003
647	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
648		1005
649	=over 4	1006	=over 4
…		…
773		1130
774	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1133
777	} elsif (ref $type) {	1134	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
779		1136
780	} else {	1137	} else {
781	shift @arg;	1138	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
783	}	1140	}
784	}	1141	}
785	}	1142	}
786		1143
787	sub _object_attach {	1144	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
798	}	1155	}
799		1156
800	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
801	} else {	1158	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1160	}
804		1161
805	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
806	}	1163	}
807		1164
…		…
847	";	1204	";
848	die if $@;	1205	die if $@;
849	}	1206	}
850		1207
851	our $override;	1208	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1210
854	sub override {	1211	sub override {
855	$override = 1;	1212	$override = 1;
856	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
857	}	1214	}
858		1215
859	sub do_invoke {	1216	sub do_invoke {
860	my $event = shift;	1217	my $event = shift;
861	my $callbacks = shift;	1218	my $callbacks = shift;
862		1219
863	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
864		1221
865	local $override;	1222	local $override;
866		1223
867	for (@$callbacks) {	1224	for (@$callbacks) {
868	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
869		1226
870	if ($@) {	1227	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1229	override;
874	}	1230	}
875		1231
876	return 1 if $override;	1232	return 1 if $override;
877	}	1233	}
878		1234
879	0	1235	0
880	}	1236	}
881		1237
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1239
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1241
886	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
887		1243
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1247
892	=back	1248	=back
893		1249
894	=cut	1250	=cut
895		1251
896	#############################################################################	1252	#############################################################################
897	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
898		1296
899	sub reattach {	1297	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1299	my ($obj) = @_;
902		1300
		1301	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1303
905	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
906		1305
907	@$registry = ();	1306	@$registry = ();
908		1307
…		…
913	for (@$attach) {	1312	for (@$attach) {
914	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
916	}	1315	}
917	} else {	1316	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1318	}
920	}	1319	}
921	}	1320	}
922		1321
923	cf::attachable->attach (	1322	cf::attachable->attach (
924	prio => -1000000,	1323	prio => -1000000,
925	on_instantiate => sub {	1324	on_instantiate => sub {
926	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
927		1326
928	$data = from_json $data;	1327	$data = decode_json $data;
929		1328
930	for (@$data) {	1329	for (@$data) {
931	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
932		1331
933	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1348	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
951		1350
952	sync_job {	1351	sync_job {
953	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
956		1357
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
961	close $fh;	1365	aio_close $fh;
962		1366
963	if (@$objs) {	1367	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
969	close $fh;	1376	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
971	}	1378	}
972	} else {	1379	} else {
973	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
974	}	1381	}
975		1382
976	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1387	} else {
978	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
979	}	1389	}
980	} else {	1390	} else {
981	aio_unlink $filename;	1391	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
983	}	1393	}
984	}	1394	};
985	}	1395	}
986		1396
987	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
989		1399
…		…
1001	or return;	1411	or return;
1002		1412
1003	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1415	or return;
		1416
1006	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1007	}	1419	}
1008		1420
		1421	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1011	return ($data, $av);	1426	($data, $av)
1012	}	1427	}
1013		1428
1014	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1015		1430
1016	=over 4	1431	=over 4
…		…
1018	=cut	1433	=cut
1019		1434
1020	#############################################################################	1435	#############################################################################
1021	# command handling &c	1436	# command handling &c
1022		1437
1023	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1024		1439
1025	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1026	$name.	1441	$name.
1027		1442
1028	=cut	1443	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1035		1450
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1452	}
1038		1453
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1455
1041	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1460	has logged in successfully.
1046		1461
1047	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1048	called.
1049		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1470
1052	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1475	log-in.
1057		1476
1058	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1059	called.
1060		1478
1061	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1063	sub register_extcmd {	1486	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1065		1488
1066	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1067	}	1490	}
1068		1491
1069	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1071		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1072	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1073	}	1502	}
1074		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1075	cf::player->attach (	1512	cf::player->attach (
1076	on_command => sub {	1513	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1078		1515
1079	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1080	or return;	1517	or return;
1081		1518
…		…
1089	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1090		1527
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1529
1093	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
1097	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1098	}	1551	}
		1552
1099	} else {	1553	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1555	}
1102		1556
1103	cf::override;	1557	cf::override;
1104	},	1558	},
1105	);	1559	);
1106		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1107	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1108	cf::sync_job {	1590	cf::sync_job {
1109	my %todo;	1591	my %todo;
1110		1592
1111	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1594	next unless -r $path;
…		…
1130		1612
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1615
1134	$ext{source} =	1616	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1137	. $source	1619	. $source
1138	. "\n};\n1";	1620	. "\n};\n1";
1139		1621
1140	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1141	}	1623	}
1142		1624
		1625	my $pass = 0;
1143	my %done;	1626	my %done;
1144	while (%todo) {	1627	while (%todo) {
1145	my $progress;	1628	my $progress;
1146		1629
		1630	++$pass;
		1631
		1632	ext:
1147	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1635	next ext
1150	unless exists $done{$_};	1636	unless exists $done{$_};
1151	}	1637	}
1152		1638
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1640
1155	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1160	warn $msg;	1657
1161	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1659	delete $todo{$k};
1163	}	1660	} else {
1164		1661	$done{$k} = delete $todo{$k};
1165	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1166	}	1667	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1668	}
1172		1669
1173	skip:	1670	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1176	}	1680	}
1177	};	1681	};
1178	}	1682	}
1179		1683
1180	#############################################################################	1684	#############################################################################
1181		1685
1182	=back	1686	=back
1183		1687
1184	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1185		1689
1186	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1187		1691
1188	=cut	1692	=cut
1189		1693
1190	package cf::player;	1694	package cf::player;
1191		1695
1192	use Coro::AIO;	1696	use Coro::AIO;
1193		1697
1194	=head3 cf::player	1698	=head3 cf::player
1195		1699
1196	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1197		1715
1198	=item cf::player::find $login	1716	=item cf::player::find $login
1199		1717
1200	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1201		1719
…		…
1220		1738
1221	sub exists($) {	1739	sub exists($) {
1222	my ($login) = @_;	1740	my ($login) = @_;
1223		1741
1224	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1226	}	1744	}
1227		1745
1228	sub find($) {	1746	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1748	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1759
1242	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1245	}	1769	}
1246	}	1770	}
1247	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1248		1785
1249	sub save($) {	1786	sub save($) {
1250	my ($pl) = @_;	1787	my ($pl) = @_;
1251		1788
1252	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1258		1795
1259	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1261		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1262	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1263	Coro::cede;	1805	cf::cede_to_tick;
1264	}	1806	}
1265		1807
1266	sub new($) {	1808	sub new($) {
1267	my ($login) = @_;	1809	my ($login) = @_;
1268		1810
…		…
1274	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1275		1817
1276	$self	1818	$self
1277	}	1819	}
1278		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1279	=item $pl->quit_character	1831	=item $pl->quit_character
1280		1832
1281	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1283		1835
…		…
1287	my ($pl) = @_;	1839	my ($pl) = @_;
1288		1840
1289	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1290		1842
1291	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1845
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1297	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1298		1854
1299	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1336	or return [];	1892	or return [];
1337		1893
1338	my @logins;	1894	my @logins;
1339		1895
1340	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1344		1906
1345	utf8::decode $login;	1907	utf8::decode $login;
1346	push @logins, $login;	1908	push @logins, $login;
1347	}	1909	}
1348		1910
1349	\@logins	1911	\@logins
1350	}	1912	}
1351		1913
1352	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1353		1917
1354	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1355	player. May block.	1919	player. May block.
1356		1920
1357	=cut	1921	=cut
…		…
1375	}	1939	}
1376		1940
1377	\@paths	1941	\@paths
1378	}	1942	}
1379		1943
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1945
1382	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1383		1947
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1444		1949
1445	Sends an ext event to the client.	1950	Sends an ext event to the client.
1446		1951
1447	=cut	1952	=cut
1448		1953
1449	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1451		1956
1452	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1453	}	1958	}
1454		1959
1455	=head3 cf::region	1960	=head3 cf::region
1456		1961
1457	=over 4	1962	=over 4
…		…
1467	=cut	1972	=cut
1468		1973
1469	sub find_by_path($) {	1974	sub find_by_path($) {
1470	my ($path) = @_;	1975	my ($path) = @_;
1471		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1472	my ($match, $specificity);	1979	my ($match, $specificity);
1473		1980
1474	for my $region (list) {	1981	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1478	}	1985	}
1479	}	1986	}
1480		1987
…		…
1501	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1503		2010
1504	sub generate_random_map {	2011	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1507	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2017	}
1521		2018
1522	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1523		2020
1524	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1529		2026
1530	sub register {	2027	sub register {
1531	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2029	my $pkg = caller;
1533		2030
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2032
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2034	}
1539		2035
1540	# also paths starting with '/'	2036	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2038
1543	sub thawer_merge {	2039	sub thawer_merge {
1544	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1545		2041
1546	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1551	}	2047	}
1552		2048
1553	sub normalise {	2049	sub normalise {
1554	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1555		2051
1556	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1557		2053
1558	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1559		2055
1560	# map plan:	2056	# map plan:
1561	#	2057	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2073	$path = "$base/$path";
1578	}	2074	}
1579		2075
1580	for ($path) {	2076	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1584	}	2079	}
1585		2080
1586	$path	2081	$path
…		…
1600	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1601	return $self;	2096	return $self;
1602	}	2097	}
1603	}	2098	}
1604		2099
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2101	()
1607	}	2102	}
1608		2103
		2104	# may re-bless or do other evil things
1609	sub init {	2105	sub init {
1610	my ($self) = @_;	2106	my ($self) = @_;
1611		2107
1612	$self	2108	$self
1613	}	2109	}
…		…
1632		2128
1633	# the temporary/swap location	2129	# the temporary/swap location
1634	sub save_path {	2130	sub save_path {
1635	my ($self) = @_;	2131	my ($self) = @_;
1636		2132
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1639	}	2135	}
1640		2136
1641	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1642	sub uniq_path {	2138	sub uniq_path {
1643	my ($self) = @_;	2139	my ($self) = @_;
1644		2140
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2143	}
1657		2144
1658	sub decay_objects {	2145	sub decay_objects {
1659	my ($self) = @_;	2146	my ($self) = @_;
1660		2147
…		…
1673		2160
1674	sub load_header_from($) {	2161	sub load_header_from($) {
1675	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1676		2163
1677	utf8::encode $path;	2164	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2166	or return;
1683		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1684	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1685		2175
1686	1	2176	1
1687	}	2177	}
1688		2178
		2179	# used to laod the header of an original map
1689	sub load_header_orig {	2180	sub load_header_orig {
1690	my ($self) = @_;	2181	my ($self) = @_;
1691		2182
1692	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1693	}	2184	}
1694		2185
		2186	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2187	sub load_header_temp {
1696	my ($self) = @_;	2188	my ($self) = @_;
1697		2189
1698	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1699	}	2191	}
1700		2192
		2193	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2194	sub prepare_temp {
1702	my ($self) = @_;	2195	my ($self) = @_;
1703		2196
1704	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1706	# safety	2199	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2202	}
1710		2203
		2204	# called after loading the header from an original map
1711	sub prepare_orig {	2205	sub prepare_orig {
1712	my ($self) = @_;	2206	my ($self) = @_;
1713		2207
1714	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2233
1740	sub find;	2234	sub find;
1741	sub find {	2235	sub find {
1742	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1743		2237
		2238	cf::cede_to_tick;
		2239
1744	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1745		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2244
1748	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1751	or return;	2247	or return;
1752		2248
1753	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1754		2250
…		…
1756	or return;	2252	or return;
1757		2253
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1761	$map->reset;	2259	$map->reset;
1762	undef $guard;
1763	return find $path;	2260	return find $path;
1764	}	2261	}
1765		2262
1766	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1767	}	2264	}
1768	}	2265	}
1769		2266
1770	sub pre_load { }	2267	sub pre_load { }
1771	sub post_load { }	2268	#sub post_load { } # XS
1772		2269
1773	sub load {	2270	sub load {
1774	my ($self) = @_;	2271	my ($self) = @_;
1775		2272
1776	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1777		2274
1778	my $path = $self->{path};	2275	my $path = $self->{path};
1779		2276
1780	{	2277	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1782		2279
		2280	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2282
1787	$self->alloc;	2283	$self->alloc;
1788		2284
1789	$self->pre_load;	2285	$self->pre_load;
1790	Coro::cede;	2286	cf::cede_to_tick;
1791		2287
1792	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1793	or return;	2292	or return;
1794		2293
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1796	if delete $self->{load_original};	2295	if delete $self->{load_original};
1797		2296
1798	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2298	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2301	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1803	}	2306	}
1804	}
1805		2307
1806	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1807	# now do the right thing for maps	2317	# now do the right thing for maps
1808	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2320	unless $self->difficulty;
1811	Coro::cede;	2321	cf::cede_to_tick;
1812		2322
1813	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2324	$self->decay_objects;
1815	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1816	$self->update_buttons;	2326	$self->update_buttons;
1817	Coro::cede;	2327	cf::cede_to_tick;
1818	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2329	}
1822		2330
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1824	}	2333	}
1825		2334
1826	$self->post_load;	2335	$self->post_load;
1827	}
1828		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2343	sub customise_for {
1830	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1831		2345
1832	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2347	if $self->per_player;
…		…
1836	# if $self->per_party;	2350	# if $self->per_party;
1837		2351
1838	$self	2352	$self
1839	}	2353	}
1840		2354
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2355	sub find_sync {
1866	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1867		2357
1868	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1869	}	2363	}
1870		2364
1871	sub do_load_sync {	2365	sub do_load_sync {
1872	my ($map) = @_;	2366	my ($map) = @_;
1873		2367
1874	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1875	}	2373	}
1876		2374
1877	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1879		2377
1880	sub find_async {	2378	sub find_async {
1881	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1882		2380
1883	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1884		2382
1885	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1887	}	2385	}
1888		2386
1889	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1890	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1891	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2394	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2395	$map->load if $v;
		2396	}
1896		2397
1897	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1898	}	2399	}
1899	}	2400	}
1900	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1901	};	2402	};
1902	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1903		2404
1904	()	2405	()
1905	}	2406	}
1906		2407
		2408	# common code, used by both ->save and ->swapout
1907	sub save {	2409	sub _save {
1908	my ($self) = @_;	2410	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2411
1912	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1913		2413
1914	return unless $self->dirty;	2414	return unless $self->dirty;
1915		2415
…		…
1921	return if $self->{deny_save};	2421	return if $self->{deny_save};
1922		2422
1923	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1924		2424
1925	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1927	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1928		2431
1929	if ($uniq) {	2432	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2435	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2437	}
1935	}	2438	}
1936		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1937	sub swap_out {	2448	sub swap_out {
1938	my ($self) = @_;	2449	my ($self) = @_;
1939		2450
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1945	return if $self->players;	2455	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1949	$self->clear;	2466	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2467	}
1952		2468
1953	sub reset_at {	2469	sub reset_at {
1954	my ($self) = @_;	2470	my ($self) = @_;
1955		2471
…		…
1973		2489
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2491
1976	return if $self->players;	2492	return if $self->players;
1977		2493
1978	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1979		2495
1980	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1981		2497
1982	# need to save uniques path	2498	# need to save uniques path
1983	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2501
…		…
1987	if $uniq;	2503	if $uniq;
1988	}	2504	}
1989		2505
1990	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1991		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2510	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2511
1996	$self->unlink_save;	2512	$self->unlink_save;
1997	$self->destroy;	2513	$self->destroy;
1998	}	2514	}
1999		2515
2000	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2001		2517
2002	sub nuke {	2518	sub nuke {
2003	my ($self) = @_;	2519	my ($self) = @_;
2004		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2005	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2006		2525
2007	$self->unlink_save;	2526	$self->unlink_save;
2008		2527
2009	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2533
2015	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2016		2536
2017	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2018	}	2538	}
2019		2539
2020	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2062		2582
2063	sub unique_maps() {	2583	sub unique_maps() {
2064	[	2584	[
2065	map {	2585	map {
2066	utf8::decode $_;	2586	utf8::decode $_;
2067	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2068	? normalise $_	2590	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2592	]
2072	}	2593	}
2073		2594
2074	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2075		2626
2076	=back	2627	=back
2077		2628
2078	=head3 cf::object	2629	=head3 cf::object
2079		2630
…		…
2083		2634
2084	=over 4	2635	=over 4
2085		2636
2086	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2087		2638
2088	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2089		2641
2090	=cut	2642	=cut
2091		2643
2092	sub inv_recursive_;	2644	sub inv_recursive_;
2093	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2096		2648
2097	sub inv_recursive {	2649	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2099	}	2651	}
2100		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2101	package cf;	2681	package cf;
2102		2682
2103	=back	2683	=back
2104		2684
2105	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2114		2694
2115	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2116		2710
2117	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2712	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2127		2721
2128	} else {	2722	} else {
2129	my $pl = $self->contr;	2723	my $pl = $self->contr;
2130		2724
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2728
2140	} else {	2729	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2732	}
2144	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
2145	}	2744	}
2146		2745
2147	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2148		2747
2149	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2162		2761
2163	=item $player_object->enter_link	2762	=item $player_object->enter_link
2164		2763
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2765
2167	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2169		2770
2170	Will never block.	2771	Will never block.
2171		2772
2172	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2173		2774
…		…
2193	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2795	my ($self) = @_;
2195		2796
2196	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2197		2798
		2799	++$self->{_link_recursion};
		2800
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2802
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2202		2805
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2807	}
2205		2808
2206	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2208		2811
…		…
2225	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2227		2830
2228	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2231		2834
2232	$map->load;	2835	$map->load;
2233	$map->load_diag;
2234		2836
2235	return unless $self->contr->active;	2837	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2838
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2240	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2241		2846
		2847	}
		2848
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2850
2244	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2248		2859
2249	=cut	2860	=cut
2250		2861
2251	our $GOTOGEN;	2862	our $GOTOGEN;
2252		2863
2253	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2255		2872
2256	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2875
2259	$self->enter_link;	2876	$self->enter_link;
2260		2877
2261	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2262	my $map = eval {	2900	my $map = eval {
2263	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2902
2265	if ($map) {	2903	if ($map) {
2266	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2906	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2908	}
2271		2909
2272	$map	2910	$map
2273	};	2911	};
2274		2912
…		…
2279		2917
2280	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2283	}	2921	}
		2922
		2923	$done->($self) if $done;
2284	})->prio (1);	2924	})->prio (1);
2285	}	2925	}
2286		2926
2287	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2288		2928
…		…
2308	}	2948	}
2309		2949
2310	sub prepare_random_map {	2950	sub prepare_random_map {
2311	my ($exit) = @_;	2951	my ($exit) = @_;
2312		2952
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2955	# that depends on the exit object
2318		2956
2319	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2959	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2326	}	2966	}
2327		2967
2328	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2329		2969
2330	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2333		2973
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2976	undef $fh;
2337	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2338		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2341	}	2985	}
2342	}	2986	}
2343		2987
2344	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2346		2990
2347	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2348		2992
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2993	$self->enter_link;
2361		2994
2362	(async {	2995	(async {
2363	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2364	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2365	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2366		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2367	1;	3034	1
2368	}) {	3035	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3040
2374	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3042	$self->leave_link;
2376	}	3043	}
2377	})->prio (1);	3044	})->prio (1);
2378	}	3045	}
2379		3046
…		…
2393		3060
2394	utf8::encode $text;	3061	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	3063	}
2397		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3091
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	3093	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2404		3096
2405	=cut	3097	=cut
2406		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
2407	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3215
2410	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
2411		3237
2412	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2413		3239
2414	if ($self->can_msg) {	3240	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3242	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3243
2427	if ($color >= 0) {	3244	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3247	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2438	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2439		3253
2440	Sends an ext event to the client.	3254	Sends an ext event to the client.
2441		3255
2442	=cut	3256	=cut
2443		3257
2444	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2446		3260
2447	$msg{msgtype} = "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2449	}	3262	}
2450		3263
2451	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2452		3265
2453	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2509		3322
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3324
2512	if (ref $msg) {	3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTIACMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3329	$cb->(
2515	$reply{msgid} = $msg->{msgid};	3330	$ns,
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
2517	}	3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2518	}	3346	}
2519	} else {	3347	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3349	}
2522		3350
2523	cf::override;	3351	cf::override;
2524	},	3352	},
2525	);	3353	);
…		…
2545		3373
2546	$coro	3374	$coro
2547	}	3375	}
2548		3376
2549	cf::client->attach (	3377	cf::client->attach (
2550	on_destroy => sub {	3378	on_client_destroy => sub {
2551	my ($ns) = @_;	3379	my ($ns) = @_;
2552		3380
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3382	},
2555	);	3383	);
…		…
2570	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2572		3400
2573	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2574		3402
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2576		3408
2577	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2578		3410
2579	=pod	3411	=pod
2580		3412
2581	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2582		3414
2583	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2584	cf::object::player player	3420	cf::object::player
2585	cf::player peaceful	3421	player
2586	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2587		3428
2588	=cut	3429	=cut
2589		3430
2590	for (	3431	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2595	) {	3438	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3441	for @funs;
2600	}	3442	}
2601		3443
…		…
2616		3458
2617	my $qcode = $code;	3459	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2620		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2621	local $_;	3466	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3467
2624	my $eval =	3468	my $eval =
2625	"do {\n"	3469	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3472	. $code
2629	. "\n}"	3473	. "\n}"
2630	;	3474	;
2631		3475
		3476	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2635		3485
2636	if ($@) {	3486	if ($@) {
2637	warn "$@";	3487	warn "$@",
2638	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2640	}	3490	}
2641		3491
2642	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2643	}	3493	}
2644		3494
…		…
2658	=cut	3508	=cut
2659		3509
2660	sub register_script_function {	3510	sub register_script_function {
2661	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2662		3512
2663	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2665	}	3515	}
2666		3516
2667	=back	3517	=back
2668		3518
2669	=cut	3519	=cut
2670		3520
2671	#############################################################################	3521	#############################################################################
2672	# the server's init and main functions	3522	# the server's init and main functions
2673		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
2674	sub load_facedata($) {	3601	sub load_facedata($) {
2675	my ($path) = @_;	3602	my ($path) = @_;
2676		3603
		3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3605
2677	warn "loading facedata from $path\n";	3606	trace "loading facedata from $path\n";
2678		3607
2679	my $facedata;	3608	my $facedata = decode_storable load_file "$path/faceinfo";
2680	0 < aio_load $path, $facedata
2681	or die "$path: $!";
2682
2683	$facedata = Coro::Storable::thaw $facedata;
2684		3609
2685	$facedata->{version} == 2	3610	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3612
		3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3615
		3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3617
		3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
2687		3621
2688	{	3622	{
2689	my $faces = $facedata->{faceinfo};	3623	my $faces = $facedata->{faceinfo};
2690		3624
2691	while (my ($face, $info) = each %$faces) {	3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3628
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3629	cf::face::set_visibility $idx, $info->{visibility};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3630	cf::face::set_magicmap $idx, $info->{magicmap};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2696	Coro::cede;	3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3633	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
2697	}	3636	}
2698		3637
2699	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3639	next unless $info->{smooth};
		3640
2701	my $idx = cf::face::find $face	3641	my $idx = cf::face::find $face
2702	or next;	3642	or next;
		3643
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3644	if (my $smooth = cf::face::find $info->{smooth}) {
		3645	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3647	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3648	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3649	}
2708	Coro::cede;
2709	}	3650	}
2710	}	3651	}
2711		3652
2712	{	3653	{
2713	my $anims = $facedata->{animinfo};	3654	my $anims = $facedata->{animinfo};
2714		3655
2715	while (my ($anim, $info) = each %$anims) {	3656	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;
2718	}	3658	}
2719		3659
2720	cf::anim::invalidate_all; # d'oh	3660	cf::anim::invalidate_all; # d'oh
2721	}	3661	}
2722		3662
		3663	{
		3664	my $res = $facedata->{resource};
		3665
		3666	while (my ($name, $info) = each %$res) {
		3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
		3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3670
		3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
		3677	} else {
		3678	# $RESOURCE{$name} = $info; # unused
		3679	}
		3680	}
		3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
		3692
		3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
2723	1	3697	1
2724	}	3698	}
2725		3699
		3700	register_exticmd fx_want => sub {
		3701	my ($ns, $want) = @_;
		3702
		3703	while (my ($k, $v) = each %$want) {
		3704	$ns->fx_want ($k, $v);
		3705	}
		3706	};
		3707
		3708	sub load_resource_file($) {
		3709	my $guard = lock_acquire "load_resource_file";
		3710
		3711	my $status = load_resource_file_ $_[0];
		3712	get_slot 0.1, 100;
		3713	cf::arch::commit_load;
		3714
		3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
		3730	}
		3731
2726	sub reload_regions {	3732	sub reload_regions {
		3733	# HACK to clear player env face cache, we need some signal framework
		3734	# for this (global event?)
		3735	%ext::player_env::MUSIC_FACE_CACHE = ();
		3736
2727	load_resource_file "$MAPDIR/regions"	3737	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3738	or die "unable to load regions file\n";
		3739
		3740	for (cf::region::list) {
		3741	$_->{match} = qr/$_->{match}/
		3742	if exists $_->{match};
		3743	}
2729	}	3744	}
2730		3745
2731	sub reload_facedata {	3746	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3747	load_facedata $DATADIR
2733	or die "unable to load facedata\n";	3748	or die "unable to load facedata\n";
2734	}	3749	}
2735		3750
2736	sub reload_archetypes {	3751	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3752	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3753	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references	3754
2740	# this really needs to be done in an extra post-pass	3755	cf::face::set
2741	# (which needs to be synchronous, so solve it differently)	3756	"res/skill_info" => FT_RSRC,
2742	load_resource_file "$DATADIR/archetypes"	3757	JSON::XS->new->utf8->canonical->encode (
2743	or die "unable to load archetypes\n";	3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
2744	}	3766	}
2745		3767
2746	sub reload_treasures {	3768	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3769	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3770	or die "unable to load treasurelists\n";
2749	}	3771	}
2750		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
2751	sub reload_resources {	3793	sub reload_resources {
2752	warn "reloading resource files...\n";	3794	trace "reloading resource files...\n";
2753		3795
		3796	reload_materials;
		3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
		3800	reload_archetypes;
2754	reload_regions;	3801	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3802	reload_treasures;
2759		3803
2760	warn "finished reloading resource files\n";	3804	trace "finished reloading resource files\n";
2761	}	3805	}
2762		3806
2763	sub init {	3807	sub reload_config {
2764	reload_resources;	3808	trace "reloading config file...\n";
2765	}
2766		3809
2767	sub cfg_load {	3810	my $config = load_file "$CONFDIR/config";
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3811	utf8::decode $config;
2769	or return;	3812	*CFG = decode_yaml $config;
2770		3813
2771	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;
2773
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3815
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3818
2779	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
2783	};	3823	};
2784	warn $@ if $@;	3824	warn $@ if $@;
2785	}	3825	}
2786	}	3826	}
2787		3827
		3828	sub pidfile() {
		3829	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3830	or die "$PIDFILE: $!";
		3831	flock $fh, &Fcntl::LOCK_EX
		3832	or die "$PIDFILE: flock: $!";
		3833	$fh
		3834	}
		3835
		3836	# make sure only one server instance is running at any one time
		3837	sub atomic {
		3838	my $fh = pidfile;
		3839
		3840	my $pid = <$fh>;
		3841	kill 9, $pid if $pid > 0;
		3842
		3843	seek $fh, 0, 0;
		3844	print $fh $$;
		3845	}
		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
		3854	}
		3855
2788	sub main {	3856	sub main {
		3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3865
2789	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3867	$Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3869	(async {
2793	Event::one_event;	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3871	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
2795	};	3873	};
2796		3874
2797	cfg_load;	3875	evthread_start IO::AIO::poll_fileno;
		3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
2798	db_init;	3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
		3889	reload_config;
		3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
2799	load_extensions;	3899	load_extensions;
2800		3900
2801	$TICK_WATCHER->start;	3901	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3902
		3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
		3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3906
		3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
2803	}	3918	}
2804		3919
2805	#############################################################################	3920	#############################################################################
2806	# initialisation and cleanup	3921	# initialisation and cleanup
2807		3922
2808	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
2809	BEGIN {	3924	BEGIN {
		3925	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
2818	},
2819	);	3929	};
2820	}	3930	}
2821	}	3931	}
2822		3932
2823	sub write_runtime {	3933	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3934	my $t0 = AE::time;
2825		3935
2826	# first touch the runtime file to show we are still running:	3936	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3937	# the fsync below can take a very very long time.
2828		3938
2829	IO::AIO::aio_utime $runtime, undef, undef;	3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3940
2831	my $guard = cf::lock_acquire "write_runtime";	3941	my $guard = cf::lock_acquire "write_runtime";
2832		3942
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3944	or return;
2835		3945
2836	my $value = $cf::RUNTIME + 90 + 10;	3946	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3947	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3948	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3958	aio_utime $fh, undef, undef;
2849		3959
2850	close $fh	3960	close $fh
2851	or return;	3961	or return;
2852		3962
2853	aio_rename "$runtime~", $runtime	3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3964	and return;
2855		3965
2856	warn "runtime file written.\n";	3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3967
2858	1	3968	1
		3969	}
		3970
		3971	our $uuid_lock;
		3972	our $uuid_skip;
		3973
		3974	sub write_uuid_sync($) {
		3975	$uuid_skip ||= $_[0];
		3976
		3977	return if $uuid_lock;
		3978	local $uuid_lock = 1;
		3979
		3980	my $uuid = "$LOCALDIR/uuid";
		3981
		3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3983	or return;
		3984
		3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
		3993	$uuid_skip = 0;
		3994
		3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3996	and return;
		3997
		3998	# always fsync - this file is important
		3999	aio_fsync $fh
		4000	and return;
		4001
		4002	close $fh
		4003	or return;
		4004
		4005	aio_rename "$uuid~", $uuid
		4006	and return;
		4007
		4008	trace "uuid file written ($value).\n";
		4009
		4010	1
		4011
		4012	}
		4013
		4014	sub write_uuid($$) {
		4015	my ($skip, $sync) = @_;
		4016
		4017	$sync ? write_uuid_sync $skip
		4018	: async { write_uuid_sync $skip };
2859	}	4019	}
2860		4020
2861	sub emergency_save() {	4021	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
2863		4023
2864	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
2865		4030
2866	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
2867	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	4040	$pl->valid or next;
		4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	4042	$pl->save;
2875	}	4043	}
2876	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
2877		4045
2878	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	4051	$map->valid or next;
2882	$map->save;	4052	$map->save;
2883	}	4053	}
2884	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
2885		4055
2886	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
		4061
		4062	info "emergency_perl_save: begin write uuid\n";
		4063	write_uuid_sync 1;
		4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
2889	};	4084	};
2890		4085
2891	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
2892	}	4087	}
2893		4088
2894	sub post_cleanup {	4089	sub post_cleanup {
2895	my ($make_core) = @_;	4090	my ($make_core) = @_;
2896		4091
		4092	IO::AIO::flush;
		4093
2897	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	4095	if $make_core;
		4096
		4097	my $fh = pidfile;
		4098	unlink $PIDFILE if <$fh> == $$;
		4099	}
		4100
		4101	# a safer delete_package, copied from Symbol
		4102	sub clear_package($) {
		4103	my $pkg = shift;
		4104
		4105	# expand to full symbol table name if needed
		4106	unless ($pkg =~ /^main::.*::$/) {
		4107	$pkg = "main$pkg" if $pkg =~ /^::/;
		4108	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4109	$pkg .= '::' unless $pkg =~ /::$/;
		4110	}
		4111
		4112	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4113	my $stem_symtab = *{$stem}{HASH};
		4114
		4115	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4116	or return;
		4117
		4118	# clear all symbols
		4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4120	for my $name (keys %$leaf_symtab) {
		4121	_gv_clear *{"$pkg$name"};
		4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4123	}
2899	}	4124	}
2900		4125
2901	sub do_reload_perl() {	4126	sub do_reload_perl() {
2902	# can/must only be called in main	4127	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
2904	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
2905	return;	4130	return;
2906	}	4131	}
2907		4132
2908	warn "reloading...";	4133	return if $RELOAD++;
2909		4134
2910	warn "entering sync_job";	4135	my $t1 = AE::time;
2911		4136
		4137	while ($RELOAD) {
		4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
		4140
		4141	trace "perl_reload: entering sync_job";
		4142
2912	cf::sync_job {	4143	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	4144	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		4145
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	4148	%EXT_CORO = ();
2941		4149
2942	warn "removing commands";	4150	trace "perl_reload: removing commands";
2943	%COMMAND = ();	4151	%COMMAND = ();
2944		4152
2945	warn "removing ext/exti commands";	4153	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	4154	%EXTCMD = ();
2947	%EXTICMD = ();	4155	%EXTICMD = ();
2948		4156
2949	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
2952		4160
2953	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
2954	eval {	4162	eval {
2955	$cb->($pkg);	4163	$cb->($pkg);
2956	1	4164	1
2957	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
		4166	}
		4167
		4168	trace "... clearing $pkg";
		4169	clear_package $pkg;
2958	}	4170	}
2959		4171
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		4175
2968	warn "... unloading $k";	4176	trace "... unloading $k";
2969	delete $INC{$k};	4177	delete $INC{$k};
2970		4178
2971	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
2973		4181
2974	if (my $cb = $k->can ("unload_module")) {	4182	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	4183	$cb->();
		4184	}
		4185
		4186	clear_package $k;
2976	}	4187	}
2977		4188
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	4190	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		4192
2985	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		4196
2989	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
2990	# and global variables created in xs	4198	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
2992		4200
2993	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
2994		4202
2995	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
2996	require cf;	4204	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
2998		4206
2999	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	4208	cf::reload_config;
3001		4209
3002	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	4211	cf::load_extensions;
3004		4212
		4213	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
		4220	}
3011		4221
3012	warn "leaving sync_job";	4222	cf::_post_init 1;
3013		4223
		4224	trace "perl_reload: leaving sync_job";
		4225
3014	1	4226	1
3015	} or do {	4227	} or do {
3016	warn $@;	4228	error $@;
3017	warn "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4230	};
		4231
		4232	--$RELOAD;
3019	};	4233	}
3020		4234
3021	warn "reloaded";	4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
3022	};	4237	};
3023		4238
3024	our $RELOAD_WATCHER; # used only during reload	4239	our $RELOAD_WATCHER; # used only during reload
3025		4240
3026	sub reload_perl() {	4241	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4242	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4243	# coro crashes during coro_state_free->destroy here.
3029		4244
3030	$RELOAD_WATCHER ||= Event->timer (	4245	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4246	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4247
3033	data => WF_AUTOCANCEL,	4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4249	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4250	undef $RELOAD_WATCHER;
3037	},	4251	};
3038	);	4252	};
3039	}	4253	}
3040		4254
3041	register_command "reload" => sub {	4255	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
3043		4257
3044	if ($who->flag (FLAG_WIZ)) {	4258	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4259	$who->message ("reloading server.");
		4260	async {
		4261	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4262	reload_perl;
		4263	};
3047	}	4264	}
3048	};	4265	};
3049		4266
3050	unshift @INC, $LIBDIR;	4267	#############################################################################
3051		4268
3052	my $bug_warning = 0;	4269	my $bug_warning = 0;
3053		4270
3054	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;
3056
3057	sub wait_for_tick {	4271	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3059	return if $Coro::current == $Coro::main;
3060		4273
3061	my $signal = new Coro::Signal;	4274	$WAIT_FOR_TICK->wait;
3062	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;
3064	}	4275	}
3065		4276
3066	sub wait_for_tick_begin {	4277	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;	4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3068	return if $Coro::current == $Coro::main;
3069		4279
3070	my $signal = new Coro::Signal;	4280	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4281	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4282	$signal->wait;
3073	}	4283	}
3074		4284
3075	my $min = 1e6;#d#	4285	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4286	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
3087	return;	4289	return;
3088	}	4290	}
3089		4291
3090	$NOW = $tick_start = Event::time;	4292	cf::one_tick; # one server iteration
3091		4293
3092	cf::server_tick; # one server iteration	4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093		4295
3094	0 && sync_job {#d#	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	4298	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4299	$Coro::current->{desc} = "runtime saver";
3098	or die;	4300	write_runtime_sync
3099		4301	or error "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4302	};
		4303	}
3116		4304
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4306	$sig->send;
3133	}	4307	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4308	$WAIT_FOR_TICK->broadcast;
3135	$sig->send;
3136	}
3137		4309
3138	$NOW = Event::time;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4312
3149	_post_tick;	4313	if (0) {
3150		4314	if ($NEXT_TICK) {
3151		4315	my $jitter = $TICK_START - $NEXT_TICK;
		4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4317	debug "jitter $JITTER\n";#d#
		4318	}
3152	},	4319	}
3153	);	4320	}
3154		4321
3155	{	4322	{
3156	BDB::max_poll_time $TICK * 0.1;	4323	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4324	info "initialising database";
3158	reentrant => 0,	4325
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
3166		4327	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4328	#$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4329
3182	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
		4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4334	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4335	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4336	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4337
3185	cf::sync_job {	4338	cf::sync_job {
3186	eval {	4339	eval {
3187	BDB::db_env_open	4340	BDB::db_env_open
3188	$DB_ENV,	4341	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4343	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4344	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4345	0666;
3193		4346
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4347	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4348	};
3199		4349
3200	cf::cleanup "db_env_open(db): $@" if $@;	4350	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4351	};
3202	}	4352	}
		4353
		4354	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4355	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4356	};
		4357	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4359	};
		4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4362	};
		4363
		4364	info "database initialised";
3203	}	4365	}
3204		4366
3205	{	4367	{
		4368	# configure IO::AIO
		4369
		4370	info "initialising aio";
3206	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4373	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,	4374	info "aio initialised";
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4375	}
3219		4376
3220	my $_log_backtrace;	4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
3221		4379
3222	sub _log_backtrace {	4380	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4381	my ($msg, @addr) = @_;
3224		4382
3225	$msg =~ s/\n//;	4383	$msg =~ s/\n$//;
3226		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4388	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4391	++$_log_backtrace;
		4392	my $perl_bt = Carp::longmess $msg;
3230	async {	4393	async {
		4394	$Coro::current->{desc} = "abt $msg";
		4395
3231	my @bt = fork_call {	4396	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4397	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4398	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4399	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4400	or die "addr2line: $!";
…		…
3243	}	4408	}
3244		4409
3245	@funcs	4410	@funcs
3246	};	4411	};
3247		4412
3248	LOG llevInfo, "[ABT] $msg\n";	4413	LOG llevInfo, "[ABT] $perl_bt\n";
		4414	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4415	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4416	--$_log_backtrace;
3251	};	4417	};
3252	} else {	4418	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4419	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4421	}
3256	}	4422	}
3257		4423
3258	# load additional modules	4424	# load additional modules
3259	use cf::pod;	4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
3260		4427
3261	END { cf::emergency_save }	4428	END { cf::emergency_save }
3262		4429
3263	1	4430	1
3264		4431

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