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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
34	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
35		67
36	# configure various modules to our taste	68	# configure various modules to our taste
37	#	69	#
38	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		78
42	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
43		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		81
49	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;
50		85
51	our %COMMAND = ();	86	our %COMMAND = ();
52	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
53		88
54	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
59		96
60	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
62		101
63	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
64	our $DATADIR = datadir;	104	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
68	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		125
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	144	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		145
83	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
94		149
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		152
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
101		165
102	binmode STDOUT;	166	binmode STDOUT;
103	binmode STDERR;	167	binmode STDERR;
104		168
105	# read virtual server time, if available	169	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
110	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
111		177
112	mkdir $_	178	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		180
115	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
116		182
117	sub cf::map::normalise;	183	sub cf::map::normalise;
118		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
119	#############################################################################	189	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
122		203
123	=over 4	204	=over 4
124		205
125	=item $cf::UPTIME	206	=item $cf::UPTIME
126		207
127	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.
128		224
129	=item $cf::RUNTIME	225	=item $cf::RUNTIME
130		226
131	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
132	every server tick.	228	every server tick.
133		229
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		233
138	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
141	database environment.	237	database environment.
142		238
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	239	=item $cf::LOADAVG
152		240
153	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
158		246
159	The raw value load value from the last tick.	247	The raw value load value from the last tick.
160		248
161	=item %cf::CFG	249	=item %cf::CFG
162		250
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	252	from wherever your confdir points to.
165		253
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		255
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
171		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	282	that call.
177		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.
		289
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$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;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	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	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	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	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	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
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	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.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
322	};	623	}
323	$TICK_WATCHER->stop;	624	};
324	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
325	}	639	}
326		640
327	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
328		642
329	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		648
335	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
336		650
337	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
338		652
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	656	acceptable.
343		657
344	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	663	=cut
350		664
351	sub sync_job(&) {	665	sub sync_job(&) {
352	my ($job) = @_;	666	my ($job) = @_;
353		667
354	if ($Coro::current == $Coro::main) {	668	if (in_main) {
355	my $time = Event::time;	669	my $time = AE::time;
356		670
357	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
359		673
360	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	675
362	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
363		677
364	my $busy = 1;	678	my $busy = 1;
365	my @res;	679	my @res;
366		680
367	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	683	@res = eval { $job->() };
369	warn $@ if $@;	684	error $@ if $@;
370	undef $busy;	685	undef $busy;
371	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
372		687
373	while ($busy) {	688	while ($busy) {
374	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
375	}	693	}
		694	}
376		695
377	$time = Event::time - $time;	696	my $time = AE::time - $time;
378		697
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
383		699
384	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
385	} else {	701	} else {
386	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
387		703
…		…
407	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
408		724
409	$coro	725	$coro
410	}	726	}
411		727
412	=item fork_call { }, $args	728	=item fork_call { }, @args
413		729
414	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
415	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
416	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
417	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
418		734
419	=cut	735	=cut
420		736
421	sub _store_scalar {	737	sub post_fork {
422	open my $fh, ">", \my $buf	738	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	739	}
429		740
430	sub fork_call(&@) {	741	sub fork_call(&@) {
431	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
432		743
433	# 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,
434	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		747
438	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
439	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
440		752
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
442	warn "pst<$res>" unless $res =~ /^pst/;	754	}
443	$res = Coro::Storable::thaw $res;
444		755
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	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
472	}	792	}
473		793
474	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
475		795
476	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
479		799
480	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
481	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).
482		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
483	=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	}
484		829
485	our $DB;	830	our $DB;
486		831
487	sub db_init {	832	sub db_init {
488	unless ($DB) {	833	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	834	}
503		835
504	sub db_get($$) {	836	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
506		838
507	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
508	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
509		843
510	$! ? ()	844	$! ? ()
511	: $data	845	: $data
512	}
513	}	846	}
514		847
515	sub db_put($$$) {	848	sub db_put($$$) {
516	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		878
546	my @data;	879	my @data;
547	my $md5;	880	my $md5;
548		881
549	for (0 .. $#$src) {	882	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	884	}
553		885
554	# if processing is expensive, check	886	# if processing is expensive, check
555	# checksum first	887	# checksum first
556	if (1) {	888	if (1) {
557	$md5 =	889	$md5 =
558	join "\x00",	890	join "\x00",
559	$processversion,	891	$processversion,
560	map {	892	map {
561	Coro::cede;	893	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	895	} 0.. $#$src;
564		896
565		897
566	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
569		901
570	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
571	}	903	}
572	}	904	}
573		905
574	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
575	my $data = $process->(\@data);	907	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
577		909
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		911
580	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
583		915
…		…
593		925
594	=cut	926	=cut
595		927
596	sub datalog($@) {	928	sub datalog($@) {
597	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	931	}
600		932
601	=back	933	=back
602		934
603	=cut	935	=cut
604		936
605	#############################################################################	937	#############################################################################
606		938
607	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
608		940
609	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
610	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")
611	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
612		944
613	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>
614	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
615	Crossfire TRT).	947	Deliantra).
616		948
617	=over 4	949	=over 4
618		950
619	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
620		952
…		…
664	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
665		997
666	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
667	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
668		1000
669	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
670	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.
671		1003
672	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
673		1005
674	=over 4	1006	=over 4
…		…
798		1130
799	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1133
802	} elsif (ref $type) {	1134	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
804		1136
805	} else {	1137	} else {
806	shift @arg;	1138	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
808	}	1140	}
809	}	1141	}
810	}	1142	}
811		1143
812	sub _object_attach {	1144	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
823	}	1155	}
824		1156
825	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
826	} else {	1158	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1160	}
829		1161
830	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
831	}	1163	}
832		1164
…		…
891		1223
892	for (@$callbacks) {	1224	for (@$callbacks) {
893	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
894		1226
895	if ($@) {	1227	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1229	override;
899	}	1230	}
900		1231
901	return 1 if $override;	1232	return 1 if $override;
902	}	1233	}
903		1234
904	0	1235	0
905	}	1236	}
906		1237
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1239
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1241
911	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
912		1243
…		…
918		1249
919	=cut	1250	=cut
920		1251
921	#############################################################################	1252	#############################################################################
922	# object support	1253	# object support
923	#
924		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#
925	sub _can_merge {	1288	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1289	my ($ob1, $ob2) = @_;
927		1290
928	local $Storable::canonical = 1;	1291	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1292
932	$fob1 eq $fob2	1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
933	}	1295	}
934		1296
935	sub reattach {	1297	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1299	my ($obj) = @_;
938		1300
		1301	# no longer needed after getting rid of delete_package?
939	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
940		1303
941	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
942		1305
943	@$registry = ();	1306	@$registry = ();
944		1307
…		…
949	for (@$attach) {	1312	for (@$attach) {
950	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
951	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
952	}	1315	}
953	} else {	1316	} else {
954	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
955	}	1318	}
956	}	1319	}
957	}	1320	}
958		1321
959	cf::attachable->attach (	1322	cf::attachable->attach (
960	prio => -1000000,	1323	prio => -1000000,
961	on_instantiate => sub {	1324	on_instantiate => sub {
962	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
963		1326
964	$data = from_json $data;	1327	$data = decode_json $data;
965		1328
966	for (@$data) {	1329	for (@$data) {
967	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
968		1331
969	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1348	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
987		1350
988	sync_job {	1351	sync_job {
989	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
992		1357
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	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	}
997	close $fh;	1365	aio_close $fh;
998		1366
999	if (@$objs) {	1367	if (@$objs) {
1000	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) {
1001	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1004	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	}
1005	close $fh;	1376	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1378	}
1008	} else {	1379	} else {
1009	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1010	}	1381	}
1011		1382
1012	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1013	} else {	1387	} else {
1014	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1015	}	1389	}
1016	} else {	1390	} else {
1017	aio_unlink $filename;	1391	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1019	}	1393	}
1020	}	1394	};
1021	}	1395	}
1022		1396
1023	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
1025		1399
…		…
1037	or return;	1411	or return;
1038		1412
1039	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1415	or return;
		1416
1042	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1043	}	1419	}
1044		1420
		1421	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1047	return ($data, $av);	1426	($data, $av)
1048	}	1427	}
1049		1428
1050	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1051		1430
1052	=over 4	1431	=over 4
…		…
1054	=cut	1433	=cut
1055		1434
1056	#############################################################################	1435	#############################################################################
1057	# command handling &c	1436	# command handling &c
1058		1437
1059	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1060		1439
1061	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
1062	$name.	1441	$name.
1063		1442
1064	=cut	1443	=cut
…		…
1070	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1071		1450
1072	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1073	}	1452	}
1074		1453
1075	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1076		1455
1077	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1078	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
1079	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
1080	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
1081	has logged in successfully.	1460	has logged in successfully.
1082		1461
1083	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1084	called.
1085		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
1086	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1087		1470
1088	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1089	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
1090	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
1091	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
1092	log-in.	1475	log-in.
1093		1476
1094	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1095	called.
1096		1478
1097	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1098		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
1099	sub register_extcmd {	1486	sub register_extcmd($$) {
1100	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1101		1488
1102	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1103	}	1490	}
1104		1491
1105	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1106	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1107		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1108	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1109	}	1502	}
1110		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1111	cf::player->attach (	1512	cf::player->attach (
1112	on_command => sub {	1513	on_unknown_command => sub {
1113	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1114		1515
1115	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1116	or return;	1517	or return;
1117		1518
…		…
1125	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1126		1527
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1529
1129	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
1132	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
1133	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1134	}	1551	}
		1552
1135	} else {	1553	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1555	}
1138		1556
1139	cf::override;	1557	cf::override;
1140	},	1558	},
1141	);	1559	);
1142		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1143	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1144	cf::sync_job {	1590	cf::sync_job {
1145	my %todo;	1591	my %todo;
1146		1592
1147	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1148	next unless -r $path;	1594	next unless -r $path;
…		…
1166		1612
1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1169		1615
1170	$ext{source} =	1616	$ext{source} =
1171	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1172	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1173	. $source	1619	. $source
1174	. "\n};\n1";	1620	. "\n};\n1";
1175		1621
1176	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1177	}	1623	}
1178		1624
		1625	my $pass = 0;
1179	my %done;	1626	my %done;
1180	while (%todo) {	1627	while (%todo) {
1181	my $progress;	1628	my $progress;
1182		1629
		1630	++$pass;
		1631
		1632	ext:
1183	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1184	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1185	goto skip	1635	next ext
1186	unless exists $done{$_};	1636	unless exists $done{$_};
1187	}	1637	}
1188		1638
1189	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1190		1640
1191	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 $@) {
1192	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1193	: "$v->{base}: extension inactive.\n";
1194		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1195	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1196	warn $msg;	1657
1197	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1198	exit 1;	1659	delete $todo{$k};
1199	}	1660	} else {
1200		1661	$done{$k} = delete $todo{$k};
1201	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1202	}	1667	}
1203
1204	$done{$k} = delete $todo{$k};
1205	push @EXTS, $v->{pkg};
1206	$progress = 1;
1207	}	1668	}
1208		1669
1209	skip:	1670	unless ($progress) {
1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1211	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	}
1212	}	1680	}
1213	};	1681	};
1214	}	1682	}
1215		1683
1216	#############################################################################	1684	#############################################################################
1217		1685
1218	=back	1686	=back
1219		1687
1220	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1221		1689
1222	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1223		1691
1224	=cut	1692	=cut
1225		1693
1226	package cf::player;	1694	package cf::player;
1227		1695
1228	use Coro::AIO;	1696	use Coro::AIO;
1229		1697
1230	=head3 cf::player	1698	=head3 cf::player
1231		1699
1232	=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	}
1233		1715
1234	=item cf::player::find $login	1716	=item cf::player::find $login
1235		1717
1236	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1237		1719
…		…
1256		1738
1257	sub exists($) {	1739	sub exists($) {
1258	my ($login) = @_;	1740	my ($login) = @_;
1259		1741
1260	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1261	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1262	}	1744	}
1263		1745
1264	sub find($) {	1746	sub find($) {
1265	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1266	my $login = $_[0];	1748	my $login = $_[0];
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1759
1278	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1279	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;
1280	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1281	}	1769	}
1282	}	1770	}
1283	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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	);
1284		1785
1285	sub save($) {	1786	sub save($) {
1286	my ($pl) = @_;	1787	my ($pl) = @_;
1287		1788
1288	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1293	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1294		1795
1295	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1297		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
1298	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1299	Coro::cede;	1805	cf::cede_to_tick;
1300	}	1806	}
1301		1807
1302	sub new($) {	1808	sub new($) {
1303	my ($login) = @_;	1809	my ($login) = @_;
1304		1810
…		…
1310	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1311		1817
1312	$self	1818	$self
1313	}	1819	}
1314		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
1315	=item $pl->quit_character	1831	=item $pl->quit_character
1316		1832
1317	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1319		1835
…		…
1323	my ($pl) = @_;	1839	my ($pl) = @_;
1324		1840
1325	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1326		1842
1327	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1328	$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
1329		1845
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1331	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1333	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1334		1854
1335	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1337	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1372	or return [];	1892	or return [];
1373		1893
1374	my @logins;	1894	my @logins;
1375		1895
1376	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") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1380		1906
1381	utf8::decode $login;	1907	utf8::decode $login;
1382	push @logins, $login;	1908	push @logins, $login;
1383	}	1909	}
1384		1910
1385	\@logins	1911	\@logins
1386	}	1912	}
1387		1913
1388	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1389		1917
1390	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1391	player. May block.	1919	player. May block.
1392		1920
1393	=cut	1921	=cut
…		…
1411	}	1939	}
1412		1940
1413	\@paths	1941	\@paths
1414	}	1942	}
1415		1943
1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1417		1945
1418	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1419		1947
1420	=cut
1421
1422	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;
1424
1425	# escape & and <
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428
1429	# this is buggy, it needs to properly take care of nested <'s
1430
1431	1 while
1432	# replace B<>, I<>, U<> etc.
1433	s/B<([^\>]*)>/<b>$1<\/b>/
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
1436	# replace G<male|female> tags
1437	|| s{G<([^>|]*)\|([^>]*)>}{
1438	$self->gender ? $2 : $1
1439	}ge
1440	# replace H<hint text>
1441	|| s{H<([^\>]*)>}
1442	{
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")
1446	[$self->{hintmode}]
1447	}ge;
1448
1449	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;
1451
1452	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines
1457
1458	$_
1459	}
1460
1461	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}
1464	}
1465
1466	=item $player->ext_reply ($msgid, %msg)
1467
1468	Sends an ext reply to the player.
1469
1470	=cut
1471
1472	sub ext_reply($$%) {
1473	my ($self, $id, %msg) = @_;
1474
1475	$msg{msgid} = $id;
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}
1478
1479	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1480		1949
1481	Sends an ext event to the client.	1950	Sends an ext event to the client.
1482		1951
1483	=cut	1952	=cut
1484		1953
1485	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1487		1956
1488	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1489	}	1958	}
1490		1959
1491	=head3 cf::region	1960	=head3 cf::region
1492		1961
1493	=over 4	1962	=over 4
…		…
1502		1971
1503	=cut	1972	=cut
1504		1973
1505	sub find_by_path($) {	1974	sub find_by_path($) {
1506	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1507		1978
1508	my ($match, $specificity);	1979	my ($match, $specificity);
1509		1980
1510	for my $region (list) {	1981	for my $region (list) {
1511	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1537	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1539		2010
1540	sub generate_random_map {	2011	sub generate_random_map {
1541	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1542	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1543	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1547	$rmp->{exit_on_final_map},
1548	$rmp->{xsize}, $rmp->{ysize},
1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1554	(cf::region::find $rmp->{region}), $rmp->{custom}
1555	)
1556	}	2017	}
1557		2018
1558	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1559		2020
1560	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
…		…
1565		2026
1566	sub register {	2027	sub register {
1567	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1568	my $pkg = caller;	2029	my $pkg = caller;
1569		2030
1570	no strict;
1571	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1572		2032
1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1574	}	2034	}
1575		2035
1576	# also paths starting with '/'	2036	# also paths starting with '/'
1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1578		2038
1579	sub thawer_merge {	2039	sub thawer_merge {
1580	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1581		2041
1582	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1587	}	2047	}
1588		2048
1589	sub normalise {	2049	sub normalise {
1590	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1591		2051
1592	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1593		2053
1594	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1595		2055
1596	# map plan:	2056	# map plan:
1597	#	2057	#
…		…
1612	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1613	$path = "$base/$path";	2073	$path = "$base/$path";
1614	}	2074	}
1615		2075
1616	for ($path) {	2076	for ($path) {
1617	redo if s{//}{/};
1618	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1619	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1620	}	2079	}
1621		2080
1622	$path	2081	$path
…		…
1636	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1637	return $self;	2096	return $self;
1638	}	2097	}
1639	}	2098	}
1640		2099
1641	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1642	()	2101	()
1643	}	2102	}
1644		2103
		2104	# may re-bless or do other evil things
1645	sub init {	2105	sub init {
1646	my ($self) = @_;	2106	my ($self) = @_;
1647		2107
1648	$self	2108	$self
1649	}	2109	}
…		…
1668		2128
1669	# the temporary/swap location	2129	# the temporary/swap location
1670	sub save_path {	2130	sub save_path {
1671	my ($self) = @_;	2131	my ($self) = @_;
1672		2132
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1675	}	2135	}
1676		2136
1677	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1678	sub uniq_path {	2138	sub uniq_path {
1679	my ($self) = @_;	2139	my ($self) = @_;
1680		2140
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1683	}
1684
1685	# and all this just because we cannot iterate over
1686	# all maps in C++...
1687	sub change_all_map_light {
1688	my ($change) = @_;
1689
1690	$_->change_map_light ($change)
1691	for grep $_->outdoor, values %cf::MAP;
1692	}	2143	}
1693		2144
1694	sub decay_objects {	2145	sub decay_objects {
1695	my ($self) = @_;	2146	my ($self) = @_;
1696		2147
…		…
1709		2160
1710	sub load_header_from($) {	2161	sub load_header_from($) {
1711	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1712		2163
1713	utf8::encode $path;	2164	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	2166	or return;
1719		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1720	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1721		2175
1722	1	2176	1
1723	}	2177	}
1724		2178
		2179	# used to laod the header of an original map
1725	sub load_header_orig {	2180	sub load_header_orig {
1726	my ($self) = @_;	2181	my ($self) = @_;
1727		2182
1728	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1729	}	2184	}
1730		2185
		2186	# used to laod the header of an instantiated map
1731	sub load_header_temp {	2187	sub load_header_temp {
1732	my ($self) = @_;	2188	my ($self) = @_;
1733		2189
1734	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1735	}	2191	}
1736		2192
		2193	# called after loading the header from an instantiated map
1737	sub prepare_temp {	2194	sub prepare_temp {
1738	my ($self) = @_;	2195	my ($self) = @_;
1739		2196
1740	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1741	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1742	# safety	2199	# safety
1743	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1744	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1745	}	2202	}
1746		2203
		2204	# called after loading the header from an original map
1747	sub prepare_orig {	2205	sub prepare_orig {
1748	my ($self) = @_;	2206	my ($self) = @_;
1749		2207
1750	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1751	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1775		2233
1776	sub find;	2234	sub find;
1777	sub find {	2235	sub find {
1778	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1779		2237
		2238	cf::cede_to_tick;
		2239
1780	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1781		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1783		2244
1784	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1785	my $guard = cf::lock_acquire "map_find:$path";
1786	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1787	or return;	2247	or return;
1788		2248
1789	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1790		2250
…		…
1792	or return;	2252	or return;
1793		2253
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1797	$map->reset;	2259	$map->reset;
1798	undef $guard;
1799	return find $path;	2260	return find $path;
1800	}	2261	}
1801		2262
1802	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1803	}	2264	}
1804	}	2265	}
1805		2266
1806	sub pre_load { }	2267	sub pre_load { }
1807	sub post_load { }	2268	#sub post_load { } # XS
1808		2269
1809	sub load {	2270	sub load {
1810	my ($self) = @_;	2271	my ($self) = @_;
1811		2272
1812	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1813		2274
1814	my $path = $self->{path};	2275	my $path = $self->{path};
1815		2276
1816	{	2277	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1818		2279
		2280	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1820
1821	$self->in_memory (cf::MAP_LOADING);
1822		2282
1823	$self->alloc;	2283	$self->alloc;
1824		2284
1825	$self->pre_load;	2285	$self->pre_load;
1826	Coro::cede;	2286	cf::cede_to_tick;
1827		2287
1828	$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)
1829	or return;	2292	or return;
1830		2293
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1832	if delete $self->{load_original};	2295	if delete $self->{load_original};
1833		2296
1834	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2298	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2301	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1839	}	2306	}
1840	}
1841		2307
1842	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;
1843	# now do the right thing for maps	2317	# now do the right thing for maps
1844	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2320	unless $self->difficulty;
1847	Coro::cede;	2321	cf::cede_to_tick;
1848		2322
1849	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2324	$self->decay_objects;
1851	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1852	$self->update_buttons;	2326	$self->update_buttons;
1853	Coro::cede;	2327	cf::cede_to_tick;
1854	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1855	Coro::cede;
1856	$self->activate;
1857	}	2329	}
1858		2330
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1860	}	2333	}
1861		2334
1862	$self->post_load;	2335	$self->post_load;
1863	}
1864		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
1865	sub customise_for {	2343	sub customise_for {
1866	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1867		2345
1868	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1869	if $self->per_player;	2347	if $self->per_player;
…		…
1872	# if $self->per_party;	2350	# if $self->per_party;
1873		2351
1874	$self	2352	$self
1875	}	2353	}
1876		2354
1877	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {
1879	my ($map) = @_;
1880
1881	my @diag; # diagonal neighbours
1882
1883	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)
1885	or next;
1886	$neigh = find $neigh, $map
1887	or next;
1888	$neigh->load;
1889
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}
1893
1894	for (@diag) {
1895	my $neigh = find @$_
1896	or next;
1897	$neigh->load;
1898	}
1899	}
1900
1901	sub find_sync {	2355	sub find_sync {
1902	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1903		2357
1904	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
1905	}	2363	}
1906		2364
1907	sub do_load_sync {	2365	sub do_load_sync {
1908	my ($map) = @_;	2366	my ($map) = @_;
1909		2367
1910	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;
1911	}	2373	}
1912		2374
1913	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1915		2377
1916	sub find_async {	2378	sub find_async {
1917	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1918		2380
1919	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1920		2382
1921	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1923	}	2385	}
1924		2386
1925	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1926	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1927	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2394	if (my $map = find $k) {
1930	$map->load;	2395	$map->load if $v;
1931	}	2396	}
1932		2397
1933	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1934	}	2399	}
1935	}	2400	}
1936	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1937	};	2402	};
1938	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1939		2404
1940	()	2405	()
1941	}	2406	}
1942		2407
		2408	# common code, used by both ->save and ->swapout
1943	sub save {	2409	sub _save {
1944	my ($self) = @_;	2410	my ($self) = @_;
1945
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1947		2411
1948	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1949		2413
1950	return unless $self->dirty;	2414	return unless $self->dirty;
1951		2415
…		…
1957	return if $self->{deny_save};	2421	return if $self->{deny_save};
1958		2422
1959	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1960		2424
1961	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1963	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1964		2431
1965	if ($uniq) {	2432	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2435	} else {
1969	$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);
1970	}	2437	}
1971	}	2438	}
1972		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1973	sub swap_out {	2448	sub swap_out {
1974	my ($self) = @_;	2449	my ($self) = @_;
1975		2450
1976	# save first because save cedes
1977	$self->save;
1978
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1981	return if $self->players;	2455	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;
1983	return if $self->{deny_save};
1984		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
1985	$self->clear;	2466	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2467	}
1988		2468
1989	sub reset_at {	2469	sub reset_at {
1990	my ($self) = @_;	2470	my ($self) = @_;
1991		2471
…		…
2009		2489
2010	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
2011		2491
2012	return if $self->players;	2492	return if $self->players;
2013		2493
2014	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
2015		2495
2016	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
2017		2497
2018	# need to save uniques path	2498	# need to save uniques path
2019	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
2020	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
2021		2501
…		…
2023	if $uniq;	2503	if $uniq;
2024	}	2504	}
2025		2505
2026	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
2027		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2510	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2511
2032	$self->unlink_save;	2512	$self->unlink_save;
2033	$self->destroy;	2513	$self->destroy;
2034	}	2514	}
2035		2515
2036	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2037		2517
2038	sub nuke {	2518	sub nuke {
2039	my ($self) = @_;	2519	my ($self) = @_;
2040		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2041	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2042		2525
2043	$self->unlink_save;	2526	$self->unlink_save;
2044		2527
2045	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2046	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2533
2051	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2052		2536
2053	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2054	}	2538	}
2055		2539
2056	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2098		2582
2099	sub unique_maps() {	2583	sub unique_maps() {
2100	[	2584	[
2101	map {	2585	map {
2102	utf8::decode $_;	2586	utf8::decode $_;
2103	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2104	? normalise $_	2590	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2592	]
2108	}	2593	}
2109		2594
2110	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	}
2111		2626
2112	=back	2627	=back
2113		2628
2114	=head3 cf::object	2629	=head3 cf::object
2115		2630
…		…
2119		2634
2120	=over 4	2635	=over 4
2121		2636
2122	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2123		2638
2124	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.
2125		2641
2126	=cut	2642	=cut
2127		2643
2128	sub inv_recursive_;	2644	sub inv_recursive_;
2129	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2132		2648
2133	sub inv_recursive {	2649	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2135	}	2651	}
2136		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2137	package cf;	2681	package cf;
2138		2682
2139	=back	2683	=back
2140		2684
2141	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2147	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>
2148	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
2149	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2150		2694
2151	=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	};
2152		2710
2153	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2712	# with dialog boxes.
2155	#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
2156	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2163		2721
2164	} else {	2722	} else {
2165	my $pl = $self->contr;	2723	my $pl = $self->contr;
2166		2724
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2728
2176	} else {	2729	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2732	}
2180	}	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 (@_);
2181	}	2744	}
2182		2745
2183	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2184		2747
2185	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2198		2761
2199	=item $player_object->enter_link	2762	=item $player_object->enter_link
2200		2763
2201	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}>).
2202		2765
2203	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.
2204	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.
2205		2770
2206	Will never block.	2771	Will never block.
2207		2772
2208	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2209		2774
…		…
2229	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2230	my ($self) = @_;	2795	my ($self) = @_;
2231		2796
2232	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2233		2798
		2799	++$self->{_link_recursion};
		2800
2234	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2235		2802
2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2237	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2238		2805
2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2240	}	2807	}
2241		2808
2242	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2243	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2244		2811
…		…
2261	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2262	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2263		2830
2264	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2267		2834
2268	$map->load;	2835	$map->load;
2269	$map->load_diag;
2270		2836
2271	return unless $self->contr->active;	2837	return unless $self->contr->active;
2272	$self->activate_recursive;
2273		2838
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2275	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2276	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2277		2846
		2847	}
		2848
2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2279		2850
2280	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
2281	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2282	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
2283	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2855	be called at the end of this process.
2285		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 >>.
		2859
2286	=cut	2860	=cut
2287		2861
2288	our $GOTOGEN;	2862	our $GOTOGEN;
2289		2863
2290	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2291	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
2292		2866
		2867	if ($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	}
		2872
2293	# 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
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2875
2296	$self->enter_link;	2876	$self->enter_link;
2297		2877
2298	(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
2299	my $map = eval {	2900	my $map = eval {
2300	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2301		2902
2302	if ($map) {	2903	if ($map) {
2303	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2305	} else {	2906	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2908	}
2308		2909
2309	$map	2910	$map
2310	};	2911	};
2311		2912
…		…
2317	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2318	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2319	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2320	}	2921	}
2321		2922
2322	$done->() if $done;	2923	$done->($self) if $done;
2323	})->prio (1);	2924	})->prio (1);
2324	}	2925	}
2325		2926
2326	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2327		2928
…		…
2347	}	2948	}
2348		2949
2349	sub prepare_random_map {	2950	sub prepare_random_map {
2350	my ($exit) = @_;	2951	my ($exit) = @_;
2351		2952
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2955	# that depends on the exit object
2357		2956
2358	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2959	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2365	}	2966	}
2366		2967
2367	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2368		2969
2369	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2372		2973
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2976	undef $fh;
2376	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2377		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2380	}	2985	}
2381	}	2986	}
2382		2987
2383	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2385		2990
2386	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2387		2992
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2993	$self->enter_link;
2400		2994
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2995	(async {
2406	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2407	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
2408	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2409		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
2410	1;	3034	1
2411	}) {	3035	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2413	. "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. "
2414	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2416		3040
2417	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2418	$self->leave_link;	3042	$self->leave_link;
2419	}	3043	}
2420	})->prio (1);	3044	})->prio (1);
2421	}	3045	}
2422		3046
…		…
2434	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2435	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2436		3060
2437	utf8::encode $text;	3061	utf8::encode $text;
2438	$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);
		3063	}
		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);
2439	}	3088	}
2440		3089
2441	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2442		3091
2443	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2447		3096
2448	=cut	3097	=cut
2449		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" => $CHAT_CHANNEL,
		3211	);
		3212
2450	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2452		3215
2453	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2454		3218
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
2457	if (ref $channel) {	3228	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	3232	$self->ext_msg (channel_info => $channel);
2462	}	3233	}
2463		3234
2464	$channel = $channel->{id};	3235	$channel = $channel->{id};
2465	}	3236	}
2466		3237
2467	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2468		3239
2469	if ($self->can_msg) {	3240	# default colour, mask it out
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2471	} else {	3242	if $color & cf::NDI_DEF;
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481		3243
2482	if ($color >= 0) {	3244	my $pkt = "msg "
2483	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2485	} else {	3247	);
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")
2488	}
2489	}
2490	}
2491	}
2492		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2493	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2494		3253
2495	Sends an ext event to the client.	3254	Sends an ext event to the client.
2496		3255
2497	=cut	3256	=cut
2498		3257
2499	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2501		3260
2502	return unless $self->extcmd;
2503
2504	$msg{msgtype} = "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2506	}	3262	}
2507		3263
2508	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2509		3265
2510	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2566		3322
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3324
2569	if (ref $msg) {	3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTIACMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3329	$cb->(
2572	$reply{msgid} = $msg->{msgid};	3330	$ns,
2573	$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);
2574	}	3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2575	}	3346	}
2576	} else {	3347	} else {
2577	warn "client " . ($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";
2578	}	3349	}
2579		3350
2580	cf::override;	3351	cf::override;
2581	},	3352	},
2582	);	3353	);
…		…
2602		3373
2603	$coro	3374	$coro
2604	}	3375	}
2605		3376
2606	cf::client->attach (	3377	cf::client->attach (
2607	on_destroy => sub {	3378	on_client_destroy => sub {
2608	my ($ns) = @_;	3379	my ($ns) = @_;
2609		3380
2610	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2611	},	3382	},
2612	);	3383	);
…		…
2627	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2629		3400
2630	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2631		3402
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2633		3408
2634	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2635		3410
2636	=pod	3411	=pod
2637		3412
2638	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2639		3414
2640	cf::object	3415	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3416	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3417	insert remove name archname title slaying race decrease split
		3418	value
2643		3419
2644	cf::object::player	3420	cf::object::player
2645	player	3421	player
2646		3422
2647	cf::player	3423	cf::player
…		…
2652		3428
2653	=cut	3429	=cut
2654		3430
2655	for (	3431	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2658	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2660	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2661	) {	3438	) {
2662	no strict 'refs';
2663	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2664	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2665	for @funs;	3441	for @funs;
2666	}	3442	}
2667		3443
…		…
2682		3458
2683	my $qcode = $code;	3459	my $qcode = $code;
2684	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2685	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2686		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2687	local $_;	3466	local $_;
2688	local @safe::cf::_safe_eval_args = values %vars;
2689		3467
2690	my $eval =	3468	my $eval =
2691	"do {\n"	3469	"do {\n"
2692	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2693	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2694	. $code	3472	. $code
2695	. "\n}"	3473	. "\n}"
2696	;	3474	;
2697		3475
		3476	if ($CFG{safe_eval}) {
2698	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2699	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2700	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2701		3485
2702	if ($@) {	3486	if ($@) {
2703	warn "$@";	3487	warn "$@",
2704	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2705	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2706	}	3490	}
2707		3491
2708	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2709	}	3493	}
2710		3494
…		…
2724	=cut	3508	=cut
2725		3509
2726	sub register_script_function {	3510	sub register_script_function {
2727	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2728		3512
2729	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2730	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2731	}	3515	}
2732		3516
2733	=back	3517	=back
2734		3518
2735	=cut	3519	=cut
2736		3520
2737	#############################################################################	3521	#############################################################################
2738	# the server's init and main functions	3522	# the server's init and main functions
2739		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
2740	sub load_facedata($) {	3596	sub load_facedata($) {
2741	my ($path) = @_;	3597	my ($path) = @_;
2742		3598
		3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3600
2743	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
2744		3602
2745	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
2746	0 < aio_load $path, $facedata
2747	or die "$path: $!";
2748
2749	$facedata = Coro::Storable::thaw $facedata;
2750		3604
2751	$facedata->{version} == 2	3605	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3607
		3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
		3610
		3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3612
		3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
2753		3616
2754	{	3617	{
2755	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
2756		3619
2757	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3623
2759	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
		3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
		3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
2763
2764	cf::cede_to_tick;
2765	}	3630	}
2766		3631
2767	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3633	next unless $info->{smooth};
		3634
2769	my $idx = cf::face::find $face	3635	my $idx = cf::face::find $face
2770	or next;	3636	or next;
		3637
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3641	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
2776	}	3643	}
2777
2778	cf::cede_to_tick;
2779	}	3644	}
2780	}	3645	}
2781		3646
2782	{	3647	{
2783	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
2784		3649
2785	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
2786	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
2787	cf::cede_to_tick;
2788	}	3652	}
2789		3653
2790	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
2791	}	3655	}
2792		3656
2793	{	3657	{
2794	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3659
2799	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3661	if (defined (my $type = $info->{type})) {
2801	name => $name,	3662	# TODO: different hash - must free and use new index, or cache ixface data queue
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2807		3664
2808	if ($name =~ /\.jpg$/) {	3665	cf::face::set_type $idx, $type;
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
2811	} else {	3669	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3670	# $RESOURCE{$name} = $info; # unused
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3671	}
2818
2819	cf::cede_to_tick;
2820	}	3672	}
2821	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
		3684
		3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3686
		3687	aio_close $fh if $fh; # close old facedata
2822		3688
2823	1	3689	1
2824	}	3690	}
2825		3691
		3692	register_exticmd fx_want => sub {
		3693	my ($ns, $want) = @_;
		3694
		3695	while (my ($k, $v) = each %$want) {
		3696	$ns->fx_want ($k, $v);
		3697	}
		3698	};
		3699
		3700	sub load_resource_file($) {
		3701	my $guard = lock_acquire "load_resource_file";
		3702
		3703	my $status = load_resource_file_ $_[0];
		3704	get_slot 0.1, 100;
		3705	cf::arch::commit_load;
		3706
		3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
		3721	}
		3722
2826	sub reload_regions {	3723	sub reload_regions {
		3724	# HACK to clear player env face cache, we need some signal framework
		3725	# for this (global event?)
		3726	%ext::player_env::MUSIC_FACE_CACHE = ();
		3727
2827	load_resource_file "$MAPDIR/regions"	3728	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3729	or die "unable to load regions file\n";
2829		3730
2830	for (cf::region::list) {	3731	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3732	$_->{match} = qr/$_->{match}/
2832	if exists $_->{match};	3733	if exists $_->{match};
2833	}	3734	}
2834	}	3735	}
2835		3736
2836	sub reload_facedata {	3737	sub reload_facedata {
2837	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
2838	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
2839	}	3740	}
2840		3741
2841	sub reload_archetypes {	3742	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references	3745
2845	# this really needs to be done in an extra post-pass	3746	set_face "res/skill_info" => FT_RSRC,
2846	# (which needs to be synchronous, so solve it differently)	3747	JSON::XS->new->utf8->canonical->encode (
2847	load_resource_file "$DATADIR/archetypes"	3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2848	or die "unable to load archetypes\n";	3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
2849	}	3754	}
2850		3755
2851	sub reload_treasures {	3756	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
2854	}	3759	}
2855		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
2856	sub reload_resources {	3781	sub reload_resources {
2857	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
2858		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
2859	reload_regions;	3789	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3790	reload_treasures;
2864		3791
2865	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
2866	}	3793	}
2867		3794
2868	sub init {	3795	sub reload_config {
2869	reload_resources;	3796	trace "reloading config file...\n";
2870	}
2871		3797
2872	sub cfg_load {	3798	my $config = load_file "$CONFDIR/config";
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3799	utf8::decode $config;
2874	or return;	3800	*CFG = decode_yaml $config;
2875		3801
2876	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;
2878
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2880		3803
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2883		3806
2884	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
2888	};	3811	};
2889	warn $@ if $@;	3812	warn $@ if $@;
2890	}	3813	}
2891	}	3814	}
2892		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
2893	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
2894	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3855	$Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3857	(async {
2898	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
2900	};	3861	};
2901		3862
2902	cfg_load;	3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
2903	db_init;	3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
		3877	reload_config;
		3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
2904	load_extensions;	3887	load_extensions;
2905		3888
2906	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
2907	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
2908	}	3906	}
2909		3907
2910	#############################################################################	3908	#############################################################################
2911	# initialisation and cleanup	3909	# initialisation and cleanup
2912		3910
2913	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
2914	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
2923	},
2924	);	3917	};
2925	}	3918	}
2926	}	3919	}
2927		3920
2928	sub write_runtime {	3921	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
2930		3923
2931	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
2933		3926
2934	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2935		3928
2936	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
2937		3930
2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2939	or return;	3932	or return;
2940		3933
2941	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
2942	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
2943	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
2953	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
2954		3947
2955	close $fh	3948	close $fh
2956	or return;	3949	or return;
2957		3950
2958	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2959	and return;	3952	and return;
2960		3953
2961	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2962		3955
2963	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
2964	}	4007	}
2965		4008
2966	sub emergency_save() {	4009	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
2968		4011
2969	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
2970		4018
2971	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
2972	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
2973	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
2974	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
2976	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	4030	$pl->save;
2980	}	4031	}
2981	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
2982		4033
2983	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
2984	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
2985	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
2986	$map->valid or next;	4039	$map->valid or next;
2987	$map->save;	4040	$map->save;
2988	}	4041	}
2989	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
2990		4043
2991	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
2994	};	4072	};
2995		4073
2996	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
2997	}	4075	}
2998		4076
2999	sub post_cleanup {	4077	sub post_cleanup {
3000	my ($make_core) = @_;	4078	my ($make_core) = @_;
3001		4079
		4080	IO::AIO::flush;
		4081
3002	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3003	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3004	}	4112	}
3005		4113
3006	sub do_reload_perl() {	4114	sub do_reload_perl() {
3007	# can/must only be called in main	4115	# can/must only be called in main
3008	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3009	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3010	return;	4118	return;
3011	}	4119	}
3012		4120
3013	warn "reloading...";	4121	return if $RELOAD++;
3014		4122
3015	warn "entering sync_job";	4123	my $t1 = AE::time;
3016		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3017	cf::sync_job {	4131	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark
3019	cf::emergency_save;	4132	#cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark
3021		4133
3022	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;
3024
3025	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031
3032	warn "flushing outstanding aio requests";
3033	for (;;) {
3034	BDB::flush;
3035	IO::AIO::flush;
3036	Coro::cede;
3037	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";
3039	}
3040
3041	++$RELOAD;
3042
3043	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3044	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3045	%EXT_CORO = ();	4136	%EXT_CORO = ();
3046		4137
3047	warn "removing commands";	4138	trace "perl_reload: removing commands";
3048	%COMMAND = ();	4139	%COMMAND = ();
3049		4140
3050	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3051	%EXTCMD = ();	4142	%EXTCMD = ();
3052	%EXTICMD = ();	4143	%EXTICMD = ();
3053		4144
3054	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3055	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3056	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3057		4148
3058	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3059	eval {	4150	eval {
3060	$cb->($pkg);	4151	$cb->($pkg);
3061	1	4152	1
3062	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3063	}	4158	}
3064		4159
3065	warn "... nuking $pkg";
3066	Symbol::delete_package $pkg;
3067	}
3068
3069	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3070	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3072		4163
3073	warn "... unloading $k";	4164	trace "... unloading $k";
3074	delete $INC{$k};	4165	delete $INC{$k};
3075		4166
3076	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3077	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3078		4169
3079	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3080	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3081	}	4175	}
3082		4176
3083	Symbol::delete_package $k;
3084	}
3085
3086	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3087	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3089		4180
3090	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3091	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3092	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3093		4184
3094	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3095	# and global variables created in xs	4186	# and global variables created in xs
3096	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3097		4188
3098	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3099		4190
3100	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3101	require cf;	4192	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3103		4194
3104	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3105	cf::cfg_load;	4196	cf::reload_config;
3106		4197
3107	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3108	cf::load_extensions;	4199	cf::load_extensions;
3109		4200
		4201	if ($REATTACH_ON_RELOAD) {
3110	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3111	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3112	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3113	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3114	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3115	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3116		4209
3117	warn "leaving sync_job";	4210	cf::_post_init 1;
3118		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3119	1	4214	1
3120	} or do {	4215	} or do {
3121	warn $@;	4216	error $@;
3122	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3123	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3124	};	4221	}
3125		4222
3126	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3127	};	4225	};
3128		4226
3129	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3130		4228
3131	sub reload_perl() {	4229	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3134		4232
3135	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3136	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3137	after => 0,	4235
3138	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3139	cb => sub {
3140	do_reload_perl;	4237	do_reload_perl;
3141	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3142	},	4239	};
3143	);	4240	};
3144	}	4241	}
3145		4242
3146	register_command "reload" => sub {	4243	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3148		4245
3149	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	4250	reload_perl;
		4251	};
3152	}	4252	}
3153	};	4253	};
3154		4254
3155	unshift @INC, $LIBDIR;	4255	#############################################################################
3156		4256
3157	my $bug_warning = 0;	4257	my $bug_warning = 0;
3158		4258
3159	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;
3161
3162	sub wait_for_tick {	4259	sub wait_for_tick() {
3163	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3164	return if $Coro::current == $Coro::main;
3165		4261
3166	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3167	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;
3169	}	4263	}
3170		4264
3171	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3172	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3173	return if $Coro::current == $Coro::main;
3174		4267
3175	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	4270	$signal->wait;
3178	}	4271	}
3179		4272
3180	my $min = 1e6;#d#	4273	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3192	return;	4277	return;
3193	}	4278	}
3194		4279
3195	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3196		4281
3197	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3198		4283
3199	0 && sync_job {#d#	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	4286	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4287	$Coro::current->{desc} = "runtime saver";
3203	or die;	4288	write_runtime_sync
3204		4289	or error "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	4290	};
		4291	}
3221		4292
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	4294	$sig->send;
3238	}	4295	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3240	$sig->send;
3241	}
3242		4297
3243	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		4300
3254	_post_tick;	4301	if (0) {
3255		4302	if ($NEXT_TICK) {
3256		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3257	},	4307	}
3258	);	4308	}
3259		4309
3260	{	4310	{
3261	BDB::max_poll_time $TICK * 0.1;	4311	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	4312	info "initialising database";
3263	reentrant => 0,	4313
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3271		4315	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		4317
3287	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		4325
3290	cf::sync_job {	4326	cf::sync_job {
3291	eval {	4327	eval {
3292	BDB::db_env_open	4328	BDB::db_env_open
3293	$DB_ENV,	4329	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	4333	0666;
3298		4334
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	4336	};
3304		4337
3305	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	4339	};
3307	}	4340	}
		4341
		4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4344	};
		4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4347	};
		4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4350	};
		4351
		4352	info "database initialised";
3308	}	4353	}
3309		4354
3310	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3311	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,	4362	info "aio initialised";
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	4363	}
3324		4364
3325	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3326		4367
3327	sub _log_backtrace {	4368	sub _log_backtrace {
3328	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3329		4370
3330	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3331		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3332	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3334	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3335	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3336	my @bt = fork_call {	4384	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3348	}	4396	}
3349		4397
3350	@funcs	4398	@funcs
3351	};	4399	};
3352		4400
3353	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3354	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3355	--$_log_backtrace;	4404	--$_log_backtrace;
3356	};	4405	};
3357	} else {	4406	} else {
3358	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3359	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3360	}	4409	}
3361	}	4410	}
3362		4411
3363	# load additional modules	4412	# load additional modules
3364	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3365		4415
3366	END { cf::emergency_save }	4416	END { cf::emergency_save }
3367		4417
3368	1	4418	1
3369		4419

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