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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
34		67
35	# configure various modules to our taste	68	# configure various modules to our taste
36	#	69	#
37	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		78
41	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
42		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		81
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
49		85
50	our %COMMAND = ();	86	our %COMMAND = ();
51	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
52		88
53	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
58		96
59	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
63	our $DATADIR = datadir;	104	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
67	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
73		125
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
79	our $NOW;	144	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		145
82	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
93		149
94	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		152
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
100		165
101	binmode STDOUT;	166	binmode STDOUT;
102	binmode STDERR;	167	binmode STDERR;
103		168
104	# read virtual server time, if available	169	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
109	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
110		177
111	mkdir $_	178	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		180
114	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
115		182
116	sub cf::map::normalise;	183	sub cf::map::normalise;
117		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
118	#############################################################################	189	#############################################################################
119		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
120	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
121		203
122	=over 4	204	=over 4
123		205
124	=item $cf::UPTIME	206	=item $cf::UPTIME
125		207
126	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
127		224
128	=item $cf::RUNTIME	225	=item $cf::RUNTIME
129		226
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	228	every server tick.
132		229
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		233
137	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
140	database environment.	237	database environment.
141		238
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	239	=item $cf::LOADAVG
151		240
152	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
157		246
158	The raw value load value from the last tick.	247	The raw value load value from the last tick.
159		248
160	=item %cf::CFG	249	=item %cf::CFG
161		250
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	252	from wherever your confdir points to.
164		253
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		255
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
170		289
171	=back	290	=back
172		291
173	=cut	292	=cut
174		293
175	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	301	my $msg = join "", @_;
178		302
179	$msg .= "\n"	303	$msg .= "\n"
180	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
181		305
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		307
184	utf8::encode $msg;
185	LOG llevError, $msg;	308	LOG llevWarn, $msg;
186	};	309	};
187	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
188		324
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	335	for my $pkg (qw(
200	cf::global cf::attachable	336	cf::global cf::attachable
201	cf::object cf::object::player	337	cf::object cf::object::player
202	cf::client cf::player	338	cf::client cf::player
203	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
204	cf::map cf::party cf::region	341	cf::party cf::region
205	)) {	342	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	344	}
209		345
210	$Event::DIED = sub {	346	$EV::DIED = sub {
211	warn "error in event callback: @_";	347	warn "error in event callback: $@";
212	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
213		354
214	#############################################################################	355	#############################################################################
215		356
216	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
217		358
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	380	$d
240	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
241	}	382	}
242		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
251	=cut	444	=cut
252		445
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		447
255	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
257		512
258	=item cf::lock_wait $string	513	=item cf::lock_wait $string
259		514
260	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
261		516
262	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
263		518
264	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
267	returned.	522	returned.
268		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
269	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
271		529
272	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
273		531
274	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
275		533
276	=cut	534	=cut
277		535
278	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
279		537
280	sub lock_wait($) {	538	sub lock_wait($) {
281	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	540	}
289		541
290	sub lock_acquire($) {	542	sub lock_acquire($) {
291	my ($key) = @_;	543	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	544	}
303		545
304	sub lock_active($) {	546	sub lock_active($) {
305	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	548	}
309		549
310	sub freeze_mainloop {	550	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
312		552
313	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
318	}	639	}
319		640
320	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
321		642
322	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		648
328	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
329		650
330	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
331		652
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	656	acceptable.
336		657
337	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	663	=cut
343		664
344	sub sync_job(&) {	665	sub sync_job(&) {
345	my ($job) = @_;	666	my ($job) = @_;
346		667
347	if ($Coro::current == $Coro::main) {	668	if (in_main) {
348	my $time = Event::time;	669	my $time = AE::time;
349		670
350	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
352		673
353	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	675
355	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
356		677
357	my $busy = 1;	678	my $busy = 1;
358	my @res;	679	my @res;
359		680
360	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	683	@res = eval { $job->() };
362	warn $@ if $@;	684	error $@ if $@;
363	undef $busy;	685	undef $busy;
364	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
365		687
366	while ($busy) {	688	while ($busy) {
367	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
368	}	693	}
		694	}
369		695
370	$time = Event::time - $time;	696	my $time = AE::time - $time;
371		697
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
376		699
377	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
378	} else {	701	} else {
379	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
380		703
…		…
400	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
401		724
402	$coro	725	$coro
403	}	726	}
404		727
405	=item fork_call { }, $args	728	=item fork_call { }, @args
406		729
407	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
411		734
412	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
413		740
414	sub fork_call(&@) {	741	sub fork_call(&@) {
415	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
416		743
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
418	# or die "socketpair: $!";	745	cf::post_fork;
419	pipe my $fh1, my $fh2	746	&$cb
420	or die "pipe: $!";	747	} @args;
421		748
422	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
423	close $fh2;	750	}
424		751
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
447	}	788	}
448		789
449	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
450		791
451	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
454		795
455	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
458	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
459		825
460	our $DB;	826	our $DB;
461		827
462	sub db_init {	828	sub db_init {
463	unless ($DB) {	829	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	830	}
478		831
479	sub db_get($$) {	832	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
481		834
482	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
483	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
484		839
485	$! ? ()	840	$! ? ()
486	: $data	841	: $data
487	}
488	}	842	}
489		843
490	sub db_put($$$) {	844	sub db_put($$$) {
491	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		874
521	my @data;	875	my @data;
522	my $md5;	876	my $md5;
523		877
524	for (0 .. $#$src) {	878	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	880	}
528		881
529	# if processing is expensive, check	882	# if processing is expensive, check
530	# checksum first	883	# checksum first
531	if (1) {	884	if (1) {
532	$md5 =	885	$md5 =
533	join "\x00",	886	join "\x00",
534	$processversion,	887	$processversion,
535	map {	888	map {
536	Coro::cede;	889	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	891	} 0.. $#$src;
539		892
540		893
541	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		897
545	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
546	}	899	}
547	}	900	}
548		901
549	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
550	my $data = $process->(\@data);	903	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
552		905
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		907
555	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
558		911
…		…
568		921
569	=cut	922	=cut
570		923
571	sub datalog($@) {	924	sub datalog($@) {
572	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	927	}
575		928
576	=back	929	=back
577		930
578	=cut	931	=cut
579		932
580	#############################################################################	933	#############################################################################
581		934
582	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
583		936
584	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
587		940
588	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	943	Deliantra).
591		944
592	=over 4	945	=over 4
593		946
594	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
595		948
…		…
639	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
640		993
641	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
643		996
644	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
646		999
647	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
648		1001
649	=over 4	1002	=over 4
…		…
773		1126
774	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1129
777	} elsif (ref $type) {	1130	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
779		1132
780	} else {	1133	} else {
781	shift @arg;	1134	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
783	}	1136	}
784	}	1137	}
785	}	1138	}
786		1139
787	sub _object_attach {	1140	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
798	}	1151	}
799		1152
800	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
801	} else {	1154	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1156	}
804		1157
805	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
806	}	1159	}
807		1160
…		…
847	";	1200	";
848	die if $@;	1201	die if $@;
849	}	1202	}
850		1203
851	our $override;	1204	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1206
854	sub override {	1207	sub override {
855	$override = 1;	1208	$override = 1;
856	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
857	}	1210	}
858		1211
859	sub do_invoke {	1212	sub do_invoke {
860	my $event = shift;	1213	my $event = shift;
861	my $callbacks = shift;	1214	my $callbacks = shift;
862		1215
863	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
864		1217
865	local $override;	1218	local $override;
866		1219
867	for (@$callbacks) {	1220	for (@$callbacks) {
868	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
869		1222
870	if ($@) {	1223	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1225	override;
874	}	1226	}
875		1227
876	return 1 if $override;	1228	return 1 if $override;
877	}	1229	}
878		1230
879	0	1231	0
880	}	1232	}
881		1233
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1235
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1237
886	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
887		1239
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1243
892	=back	1244	=back
893		1245
894	=cut	1246	=cut
895		1247
896	#############################################################################	1248	#############################################################################
897	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
898		1292
899	sub reattach {	1293	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1295	my ($obj) = @_;
902		1296
		1297	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1299
905	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
906		1301
907	@$registry = ();	1302	@$registry = ();
908		1303
…		…
913	for (@$attach) {	1308	for (@$attach) {
914	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
916	}	1311	}
917	} else {	1312	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1314	}
920	}	1315	}
921	}	1316	}
922		1317
923	cf::attachable->attach (	1318	cf::attachable->attach (
924	prio => -1000000,	1319	prio => -1000000,
925	on_instantiate => sub {	1320	on_instantiate => sub {
926	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
927		1322
928	$data = from_json $data;	1323	$data = decode_json $data;
929		1324
930	for (@$data) {	1325	for (@$data) {
931	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
932		1327
933	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1344	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
951		1346
952	sync_job {	1347	sync_job {
953	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
956		1353
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
961	close $fh;	1361	aio_close $fh;
962		1362
963	if (@$objs) {	1363	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
969	close $fh;	1372	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
971	}	1374	}
972	} else {	1375	} else {
973	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
974	}	1377	}
975		1378
976	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1383	} else {
978	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
979	}	1385	}
980	} else {	1386	} else {
981	aio_unlink $filename;	1387	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
983	}	1389	}
984	}	1390	};
985	}	1391	}
986		1392
987	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
989		1395
…		…
1001	or return;	1407	or return;
1002		1408
1003	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1411	or return;
		1412
1006	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1007	}	1415	}
1008		1416
		1417	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1011	return ($data, $av);	1422	($data, $av)
1012	}	1423	}
1013		1424
1014	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1015		1426
1016	=over 4	1427	=over 4
…		…
1018	=cut	1429	=cut
1019		1430
1020	#############################################################################	1431	#############################################################################
1021	# command handling &c	1432	# command handling &c
1022		1433
1023	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1024		1435
1025	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1026	$name.	1437	$name.
1027		1438
1028	=cut	1439	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1035		1446
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1448	}
1038		1449
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1451
1041	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1456	has logged in successfully.
1046		1457
1047	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1048	called.
1049		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1466
1052	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1471	log-in.
1057		1472
1058	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1059	called.
1060		1474
1061	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1063	sub register_extcmd {	1482	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1065		1484
1066	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1067	}	1486	}
1068		1487
1069	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1071		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1072	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1073	}	1498	}
1074		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1075	cf::player->attach (	1508	cf::player->attach (
1076	on_command => sub {	1509	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1078		1511
1079	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1080	or return;	1513	or return;
1081		1514
…		…
1089	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1090		1523
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1525
1093	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1097	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1098	}	1547	}
		1548
1099	} else {	1549	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1551	}
1102		1552
1103	cf::override;	1553	cf::override;
1104	},	1554	},
1105	);	1555	);
1106		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1107	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1108	cf::sync_job {	1586	cf::sync_job {
1109	my %todo;	1587	my %todo;
1110		1588
1111	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1590	next unless -r $path;
…		…
1130		1608
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1611
1134	$ext{source} =	1612	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1137	. $source	1615	. $source
1138	. "\n};\n1";	1616	. "\n};\n1";
1139		1617
1140	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1141	}	1619	}
1142		1620
		1621	my $pass = 0;
1143	my %done;	1622	my %done;
1144	while (%todo) {	1623	while (%todo) {
1145	my $progress;	1624	my $progress;
1146		1625
		1626	++$pass;
		1627
		1628	ext:
1147	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1631	next ext
1150	unless exists $done{$_};	1632	unless exists $done{$_};
1151	}	1633	}
1152		1634
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1636
1155	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1160	warn $msg;	1653
1161	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1655	delete $todo{$k};
1163	}	1656	} else {
1164		1657	$done{$k} = delete $todo{$k};
1165	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1166	}	1663	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1664	}
1172		1665
1173	skip:	1666	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1176	}	1676	}
1177	};	1677	};
1178	}	1678	}
1179		1679
1180	#############################################################################	1680	#############################################################################
1181		1681
1182	=back	1682	=back
1183		1683
1184	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1185		1685
1186	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1187		1687
1188	=cut	1688	=cut
1189		1689
1190	package cf::player;	1690	package cf::player;
1191		1691
1192	use Coro::AIO;	1692	use Coro::AIO;
1193		1693
1194	=head3 cf::player	1694	=head3 cf::player
1195		1695
1196	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1197		1711
1198	=item cf::player::find $login	1712	=item cf::player::find $login
1199		1713
1200	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1201		1715
…		…
1220		1734
1221	sub exists($) {	1735	sub exists($) {
1222	my ($login) = @_;	1736	my ($login) = @_;
1223		1737
1224	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1226	}	1740	}
1227		1741
1228	sub find($) {	1742	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1744	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1755
1242	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1245	}	1765	}
1246	}	1766	}
1247	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1248		1781
1249	sub save($) {	1782	sub save($) {
1250	my ($pl) = @_;	1783	my ($pl) = @_;
1251		1784
1252	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1258		1791
1259	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1261		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1262	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1263	Coro::cede;	1801	cf::cede_to_tick;
1264	}	1802	}
1265		1803
1266	sub new($) {	1804	sub new($) {
1267	my ($login) = @_;	1805	my ($login) = @_;
1268		1806
…		…
1274	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1275		1813
1276	$self	1814	$self
1277	}	1815	}
1278		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1279	=item $pl->quit_character	1827	=item $pl->quit_character
1280		1828
1281	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1283		1831
…		…
1287	my ($pl) = @_;	1835	my ($pl) = @_;
1288		1836
1289	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1290		1838
1291	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1841
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1297	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1298		1850
1299	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1336	or return [];	1888	or return [];
1337		1889
1338	my @logins;	1890	my @logins;
1339		1891
1340	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1344		1902
1345	utf8::decode $login;	1903	utf8::decode $login;
1346	push @logins, $login;	1904	push @logins, $login;
1347	}	1905	}
1348		1906
1349	\@logins	1907	\@logins
1350	}	1908	}
1351		1909
1352	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1353		1913
1354	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1355	player. May block.	1915	player. May block.
1356		1916
1357	=cut	1917	=cut
…		…
1375	}	1935	}
1376		1936
1377	\@paths	1937	\@paths
1378	}	1938	}
1379		1939
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1941
1382	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1383		1943
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1444		1945
1445	Sends an ext event to the client.	1946	Sends an ext event to the client.
1446		1947
1447	=cut	1948	=cut
1448		1949
1449	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1451		1952
1452	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1453	}	1954	}
1454		1955
1455	=head3 cf::region	1956	=head3 cf::region
1456		1957
1457	=over 4	1958	=over 4
…		…
1467	=cut	1968	=cut
1468		1969
1469	sub find_by_path($) {	1970	sub find_by_path($) {
1470	my ($path) = @_;	1971	my ($path) = @_;
1471		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1472	my ($match, $specificity);	1975	my ($match, $specificity);
1473		1976
1474	for my $region (list) {	1977	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1478	}	1981	}
1479	}	1982	}
1480		1983
…		…
1501	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1503		2006
1504	sub generate_random_map {	2007	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1507	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2013	}
1521		2014
1522	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1523		2016
1524	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1529		2022
1530	sub register {	2023	sub register {
1531	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2025	my $pkg = caller;
1533		2026
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2028
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2030	}
1539		2031
1540	# also paths starting with '/'	2032	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2034
1543	sub thawer_merge {	2035	sub thawer_merge {
1544	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1545		2037
1546	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1551	}	2043	}
1552		2044
1553	sub normalise {	2045	sub normalise {
1554	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1555		2047
1556	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1557		2049
1558	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1559		2051
1560	# map plan:	2052	# map plan:
1561	#	2053	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2069	$path = "$base/$path";
1578	}	2070	}
1579		2071
1580	for ($path) {	2072	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1584	}	2075	}
1585		2076
1586	$path	2077	$path
…		…
1600	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1601	return $self;	2092	return $self;
1602	}	2093	}
1603	}	2094	}
1604		2095
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2097	()
1607	}	2098	}
1608		2099
		2100	# may re-bless or do other evil things
1609	sub init {	2101	sub init {
1610	my ($self) = @_;	2102	my ($self) = @_;
1611		2103
1612	$self	2104	$self
1613	}	2105	}
…		…
1632		2124
1633	# the temporary/swap location	2125	# the temporary/swap location
1634	sub save_path {	2126	sub save_path {
1635	my ($self) = @_;	2127	my ($self) = @_;
1636		2128
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1639	}	2131	}
1640		2132
1641	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1642	sub uniq_path {	2134	sub uniq_path {
1643	my ($self) = @_;	2135	my ($self) = @_;
1644		2136
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2139	}
1657		2140
1658	sub decay_objects {	2141	sub decay_objects {
1659	my ($self) = @_;	2142	my ($self) = @_;
1660		2143
…		…
1673		2156
1674	sub load_header_from($) {	2157	sub load_header_from($) {
1675	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1676		2159
1677	utf8::encode $path;	2160	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2162	or return;
1683		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1684	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1685		2171
1686	1	2172	1
1687	}	2173	}
1688		2174
		2175	# used to laod the header of an original map
1689	sub load_header_orig {	2176	sub load_header_orig {
1690	my ($self) = @_;	2177	my ($self) = @_;
1691		2178
1692	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1693	}	2180	}
1694		2181
		2182	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2183	sub load_header_temp {
1696	my ($self) = @_;	2184	my ($self) = @_;
1697		2185
1698	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1699	}	2187	}
1700		2188
		2189	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2190	sub prepare_temp {
1702	my ($self) = @_;	2191	my ($self) = @_;
1703		2192
1704	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1706	# safety	2195	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2198	}
1710		2199
		2200	# called after loading the header from an original map
1711	sub prepare_orig {	2201	sub prepare_orig {
1712	my ($self) = @_;	2202	my ($self) = @_;
1713		2203
1714	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2229
1740	sub find;	2230	sub find;
1741	sub find {	2231	sub find {
1742	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1743		2233
		2234	cf::cede_to_tick;
		2235
1744	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1745		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2240
1748	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1751	or return;	2243	or return;
1752		2244
1753	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1754		2246
…		…
1756	or return;	2248	or return;
1757		2249
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1761	$map->reset;	2255	$map->reset;
1762	undef $guard;
1763	return find $path;	2256	return find $path;
1764	}	2257	}
1765		2258
1766	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1767	}	2260	}
1768	}	2261	}
1769		2262
1770	sub pre_load { }	2263	sub pre_load { }
1771	sub post_load { }	2264	#sub post_load { } # XS
1772		2265
1773	sub load {	2266	sub load {
1774	my ($self) = @_;	2267	my ($self) = @_;
1775		2268
1776	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1777		2270
1778	my $path = $self->{path};	2271	my $path = $self->{path};
1779		2272
1780	{	2273	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1782		2275
		2276	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2278
1787	$self->alloc;	2279	$self->alloc;
1788		2280
1789	$self->pre_load;	2281	$self->pre_load;
1790	Coro::cede;	2282	cf::cede_to_tick;
1791		2283
1792	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1793	or return;	2288	or return;
1794		2289
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1796	if delete $self->{load_original};	2291	if delete $self->{load_original};
1797		2292
1798	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2294	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2297	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1803	}	2302	}
1804	}
1805		2303
1806	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1807	# now do the right thing for maps	2313	# now do the right thing for maps
1808	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2316	unless $self->difficulty;
1811	Coro::cede;	2317	cf::cede_to_tick;
1812		2318
1813	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2320	$self->decay_objects;
1815	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1816	$self->update_buttons;	2322	$self->update_buttons;
1817	Coro::cede;	2323	cf::cede_to_tick;
1818	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2325	}
1822		2326
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1824	}	2329	}
1825		2330
1826	$self->post_load;	2331	$self->post_load;
1827	}
1828		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2339	sub customise_for {
1830	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1831		2341
1832	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2343	if $self->per_player;
…		…
1836	# if $self->per_party;	2346	# if $self->per_party;
1837		2347
1838	$self	2348	$self
1839	}	2349	}
1840		2350
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2351	sub find_sync {
1866	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1867		2353
1868	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1869	}	2359	}
1870		2360
1871	sub do_load_sync {	2361	sub do_load_sync {
1872	my ($map) = @_;	2362	my ($map) = @_;
1873		2363
1874	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1875	}	2369	}
1876		2370
1877	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1879		2373
1880	sub find_async {	2374	sub find_async {
1881	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1882		2376
1883	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1884		2378
1885	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1887	}	2381	}
1888		2382
1889	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1890	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1891	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2390	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2391	$map->load if $v;
		2392	}
1896		2393
1897	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1898	}	2395	}
1899	}	2396	}
1900	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1901	};	2398	};
1902	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1903		2400
1904	()	2401	()
1905	}	2402	}
1906		2403
		2404	# common code, used by both ->save and ->swapout
1907	sub save {	2405	sub _save {
1908	my ($self) = @_;	2406	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2407
1912	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1913		2409
1914	return unless $self->dirty;	2410	return unless $self->dirty;
1915		2411
…		…
1921	return if $self->{deny_save};	2417	return if $self->{deny_save};
1922		2418
1923	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1924		2420
1925	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1927	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1928		2427
1929	if ($uniq) {	2428	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2431	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2433	}
1935	}	2434	}
1936		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1937	sub swap_out {	2444	sub swap_out {
1938	my ($self) = @_;	2445	my ($self) = @_;
1939		2446
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1945	return if $self->players;	2451	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1949	$self->clear;	2462	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2463	}
1952		2464
1953	sub reset_at {	2465	sub reset_at {
1954	my ($self) = @_;	2466	my ($self) = @_;
1955		2467
…		…
1973		2485
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2487
1976	return if $self->players;	2488	return if $self->players;
1977		2489
1978	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1979		2491
1980	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1981		2493
1982	# need to save uniques path	2494	# need to save uniques path
1983	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2497
…		…
1987	if $uniq;	2499	if $uniq;
1988	}	2500	}
1989		2501
1990	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1991		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2506	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2507
1996	$self->unlink_save;	2508	$self->unlink_save;
1997	$self->destroy;	2509	$self->destroy;
1998	}	2510	}
1999		2511
2000	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2001		2513
2002	sub nuke {	2514	sub nuke {
2003	my ($self) = @_;	2515	my ($self) = @_;
2004		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2005	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2006		2521
2007	$self->unlink_save;	2522	$self->unlink_save;
2008		2523
2009	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2529
2015	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2016		2532
2017	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2018	}	2534	}
2019		2535
2020	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2062		2578
2063	sub unique_maps() {	2579	sub unique_maps() {
2064	[	2580	[
2065	map {	2581	map {
2066	utf8::decode $_;	2582	utf8::decode $_;
2067	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2068	? normalise $_	2586	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2588	]
2072	}	2589	}
2073		2590
2074	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2075		2622
2076	=back	2623	=back
2077		2624
2078	=head3 cf::object	2625	=head3 cf::object
2079		2626
…		…
2083		2630
2084	=over 4	2631	=over 4
2085		2632
2086	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2087		2634
2088	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2089		2637
2090	=cut	2638	=cut
2091		2639
2092	sub inv_recursive_;	2640	sub inv_recursive_;
2093	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2096		2644
2097	sub inv_recursive {	2645	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2099	}	2647	}
2100		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2101	package cf;	2677	package cf;
2102		2678
2103	=back	2679	=back
2104		2680
2105	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2114		2690
2115	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2116		2706
2117	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2708	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2127		2717
2128	} else {	2718	} else {
2129	my $pl = $self->contr;	2719	my $pl = $self->contr;
2130		2720
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2724
2140	} else {	2725	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2728	}
2144	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2145	}	2740	}
2146		2741
2147	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2148		2743
2149	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2162		2757
2163	=item $player_object->enter_link	2758	=item $player_object->enter_link
2164		2759
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2761
2167	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2169		2766
2170	Will never block.	2767	Will never block.
2171		2768
2172	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2173		2770
…		…
2193	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2791	my ($self) = @_;
2195		2792
2196	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2197		2794
		2795	++$self->{_link_recursion};
		2796
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2798
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2202		2801
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2803	}
2205		2804
2206	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2208		2807
…		…
2225	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2227		2826
2228	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2231		2830
2232	$map->load;	2831	$map->load;
2233	$map->load_diag;
2234		2832
2235	return unless $self->contr->active;	2833	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2834
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2240	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2241		2842
		2843	}
		2844
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2846
2244	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2248		2855
2249	=cut	2856	=cut
2250		2857
2251	our $GOTOGEN;	2858	our $GOTOGEN;
2252		2859
2253	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2255		2868
2256	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2871
2259	$self->enter_link;	2872	$self->enter_link;
2260		2873
2261	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2262	my $map = eval {	2896	my $map = eval {
2263	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2898
2265	if ($map) {	2899	if ($map) {
2266	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2902	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2904	}
2271		2905
2272	$map	2906	$map
2273	};	2907	};
2274		2908
…		…
2279		2913
2280	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2283	}	2917	}
		2918
		2919	$done->($self) if $done;
2284	})->prio (1);	2920	})->prio (1);
2285	}	2921	}
2286		2922
2287	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2288		2924
…		…
2308	}	2944	}
2309		2945
2310	sub prepare_random_map {	2946	sub prepare_random_map {
2311	my ($exit) = @_;	2947	my ($exit) = @_;
2312		2948
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2951	# that depends on the exit object
2318		2952
2319	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2955	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2326	}	2962	}
2327		2963
2328	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2329		2965
2330	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2333		2969
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2972	undef $fh;
2337	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2338		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2341	}	2981	}
2342	}	2982	}
2343		2983
2344	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2346		2986
2347	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2348		2988
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2989	$self->enter_link;
2361		2990
2362	(async {	2991	(async {
2363	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2364	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2365	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2366		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2367	1;	3030	1
2368	}) {	3031	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3036
2374	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3038	$self->leave_link;
2376	}	3039	}
2377	})->prio (1);	3040	})->prio (1);
2378	}	3041	}
2379		3042
…		…
2390		3053
2391	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2392	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2393		3056
2394	utf8::encode $text;	3057	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d log %s", $flags || cf::NDI_BLACK, $text);
2396	}	3059	}
2397		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
		3084	}
		3085
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3087
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a msg packet to the client, formatting the msg for the client if
2401	client if neccessary. C<$type> should be a string identifying the type of	3089	necessary. C<$type> should be a string identifying the type of the
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3090	message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3091	the message unless the client supports the msg packet.
2404		3092
2405	=cut	3093	=cut
2406		3094
		3095	# non-persistent channels (usually the info channel)
		3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
		3103	"c/identify" => {
		3104	id => "infobox",
		3105	title => "Identify",
		3106	reply => undef,
		3107	tooltip => "Items recently identified",
		3108	},
		3109	"c/examine" => {
		3110	id => "infobox",
		3111	title => "Examine",
		3112	reply => undef,
		3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
		3120	},
		3121	"c/book" => {
		3122	id => "infobox",
		3123	title => "Book",
		3124	reply => undef,
		3125	tooltip => "The contents of a note or book",
		3126	},
		3127	"c/lookat" => {
		3128	id => "infobox",
		3129	title => "Look",
		3130	reply => undef,
		3131	tooltip => "What you saw there",
		3132	},
		3133	"c/who" => {
		3134	id => "infobox",
		3135	title => "Players",
		3136	reply => undef,
		3137	tooltip => "Shows players who are currently online",
		3138	},
		3139	"c/body" => {
		3140	id => "infobox",
		3141	title => "Body Parts",
		3142	reply => undef,
		3143	tooltip => "Shows which body parts you posess and are available",
		3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
		3181	"c/uptime" => {
		3182	id => "infobox",
		3183	title => "Uptime",
		3184	reply => undef,
		3185	tooltip => "How long the server has been running since last restart",
		3186	},
		3187	"c/mapinfo" => {
		3188	id => "infobox",
		3189	title => "Map Info",
		3190	reply => undef,
		3191	tooltip => "Information related to the maps",
		3192	},
		3193	"c/party" => {
		3194	id => "party",
		3195	title => "Party",
		3196	reply => "gsay ",
		3197	tooltip => "Messages and chat related to your party",
		3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
		3213	);
		3214
2407	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3217
2410	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
		3220
		3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3222
		3223	# check predefined channels, for the benefit of C
		3224	if ($CHANNEL{$channel}) {
		3225	$channel = $CHANNEL{$channel};
		3226
		3227	$self->ext_msg (channel_info => $channel);
		3228	$channel = $channel->{id};
		3229
		3230	} elsif (ref $channel) {
		3231	# send meta info to client, if not yet sent
		3232	unless (exists $self->{channel}{$channel->{id}}) {
		3233	$self->{channel}{$channel->{id}} = $channel;
		3234	$self->ext_msg (channel_info => $channel);
		3235	}
		3236
		3237	$channel = $channel->{id};
		3238	}
2411		3239
2412	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2413		3241
2414	if ($self->can_msg) {	3242	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3244	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3245
2427	if ($color >= 0) {	3246	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3247	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3249	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3250
		3251	$self->send_big_packet ($pkt);
		3252	}
		3253
2438	=item $client->ext_event ($type, %msg)	3254	=item $client->ext_msg ($type, @msg)
2439		3255
2440	Sends an ext event to the client.	3256	Sends an ext event to the client.
2441		3257
2442	=cut	3258	=cut
2443		3259
2444	sub cf::client::ext_event($$%) {	3260	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3261	my ($self, $type, @msg) = @_;
2446		3262
2447	$msg{msgtype} = "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2449	}	3264	}
2450		3265
2451	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2452		3267
2453	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
2509		3324
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3326
2512	if (ref $msg) {	3327	if (ref $msg) {
		3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3329
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3330	if (my $cb = $EXTIACMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3331	$cb->(
2515	$reply{msgid} = $msg->{msgid};	3332	$ns,
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
		3343	@reply = $cb->($ns, @payload);
2517	}	3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
2518	}	3348	}
2519	} else {	3349	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3351	}
2522		3352
2523	cf::override;	3353	cf::override;
2524	},	3354	},
2525	);	3355	);
…		…
2545		3375
2546	$coro	3376	$coro
2547	}	3377	}
2548		3378
2549	cf::client->attach (	3379	cf::client->attach (
2550	on_destroy => sub {	3380	on_client_destroy => sub {
2551	my ($ns) = @_;	3381	my ($ns) = @_;
2552		3382
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3384	},
2555	);	3385	);
…		…
2570	our $safe = new Safe "safe";	3400	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
2572		3402
2573	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
2574		3404
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3405	$safe->permit_only (Opcode::opset qw(
		3406	:base_core :base_mem :base_orig :base_math :base_loop
		3407	grepstart grepwhile mapstart mapwhile
		3408	sort time
		3409	));
2576		3410
2577	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
2578		3412
2579	=pod	3413	=pod
2580		3414
2581	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
2582		3416
2583	cf::object contr pay_amount pay_player map	3417	cf::object
		3418	contr pay_amount pay_player map x y force_find force_add destroy
		3419	insert remove name archname title slaying race decrease split
		3420	value
		3421
2584	cf::object::player player	3422	cf::object::player
2585	cf::player peaceful	3423	player
2586	cf::map trigger	3424
		3425	cf::player
		3426	peaceful
		3427
		3428	cf::map
		3429	trigger
2587		3430
2588	=cut	3431	=cut
2589		3432
2590	for (	3433	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3435	insert remove inv nrof name archname title slaying race
		3436	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
2595	) {	3440	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3443	for @funs;
2600	}	3444	}
2601		3445
…		…
2616		3460
2617	my $qcode = $code;	3461	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
2620		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
2621	local $_;	3468	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3469
2624	my $eval =	3470	my $eval =
2625	"do {\n"	3471	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3474	. $code
2629	. "\n}"	3475	. "\n}"
2630	;	3476	;
2631		3477
		3478	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
2635		3487
2636	if ($@) {	3488	if ($@) {
2637	warn "$@";	3489	warn "$@",
2638	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
2640	}	3492	}
2641		3493
2642	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
2643	}	3495	}
2644		3496
…		…
2658	=cut	3510	=cut
2659		3511
2660	sub register_script_function {	3512	sub register_script_function {
2661	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
2662		3514
2663	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
2665	}	3517	}
2666		3518
2667	=back	3519	=back
2668		3520
2669	=cut	3521	=cut
2670		3522
2671	#############################################################################	3523	#############################################################################
2672	# the server's init and main functions	3524	# the server's init and main functions
2673		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
2674	sub load_facedata($) {	3603	sub load_facedata($) {
2675	my ($path) = @_;	3604	my ($path) = @_;
2676		3605
		3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3607
2677	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
2678		3609
2679	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
2680	0 < aio_load $path, $facedata
2681	or die "$path: $!";
2682
2683	$facedata = Coro::Storable::thaw $facedata;
2684		3611
2685	$facedata->{version} == 2	3612	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3614
		3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3617
		3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3619
		3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
2687		3623
2688	{	3624	{
2689	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
2690		3626
2691	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3630
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3631	cf::face::set_visibility $idx, $info->{visibility};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2696	Coro::cede;	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
2697	}	3638	}
2698		3639
2699	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3641	next unless $info->{smooth};
		3642
2701	my $idx = cf::face::find $face	3643	my $idx = cf::face::find $face
2702	or next;	3644	or next;
		3645
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
		3647	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3649	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3651	}
2708	Coro::cede;
2709	}	3652	}
2710	}	3653	}
2711		3654
2712	{	3655	{
2713	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
2714		3657
2715	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;
2718	}	3660	}
2719		3661
2720	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
2721	}	3663	}
2722		3664
		3665	{
		3666	my $res = $facedata->{resource};
		3667
		3668	while (my ($name, $info) = each %$res) {
		3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
		3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3672
		3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
		3679	} else {
		3680	# $RESOURCE{$name} = $info; # unused
		3681	}
		3682	}
		3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
		3694
		3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
2723	1	3699	1
2724	}	3700	}
2725		3701
		3702	register_exticmd fx_want => sub {
		3703	my ($ns, $want) = @_;
		3704
		3705	while (my ($k, $v) = each %$want) {
		3706	$ns->fx_want ($k, $v);
		3707	}
		3708	};
		3709
		3710	sub load_resource_file($) {
		3711	my $guard = lock_acquire "load_resource_file";
		3712
		3713	my $status = load_resource_file_ $_[0];
		3714	get_slot 0.1, 100;
		3715	cf::arch::commit_load;
		3716
		3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
		3732	}
		3733
2726	sub reload_regions {	3734	sub reload_regions {
		3735	# HACK to clear player env face cache, we need some signal framework
		3736	# for this (global event?)
		3737	%ext::player_env::MUSIC_FACE_CACHE = ();
		3738
2727	load_resource_file "$MAPDIR/regions"	3739	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3740	or die "unable to load regions file\n";
		3741
		3742	for (cf::region::list) {
		3743	$_->{match} = qr/$_->{match}/
		3744	if exists $_->{match};
		3745	}
2729	}	3746	}
2730		3747
2731	sub reload_facedata {	3748	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
2733	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
2734	}	3751	}
2735		3752
2736	sub reload_archetypes {	3753	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references	3756
2740	# this really needs to be done in an extra post-pass	3757	cf::face::set
2741	# (which needs to be synchronous, so solve it differently)	3758	"res/skill_info" => FT_RSRC,
2742	load_resource_file "$DATADIR/archetypes"	3759	JSON::XS->new->utf8->canonical->encode (
2743	or die "unable to load archetypes\n";	3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
2744	}	3768	}
2745		3769
2746	sub reload_treasures {	3770	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
2749	}	3773	}
2750		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
2751	sub reload_resources {	3795	sub reload_resources {
2752	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
2753		3797
		3798	reload_materials;
		3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
		3802	reload_archetypes;
2754	reload_regions;	3803	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3804	reload_treasures;
2759		3805
2760	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
2761	}	3807	}
2762		3808
2763	sub init {	3809	sub reload_config {
2764	reload_resources;	3810	trace "reloading config file...\n";
2765	}
2766		3811
2767	sub cfg_load {	3812	my $config = load_file "$CONFDIR/config";
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3813	utf8::decode $config;
2769	or return;	3814	*CFG = decode_yaml $config;
2770		3815
2771	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;
2773
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3817
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3820
2779	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
2783	};	3825	};
2784	warn $@ if $@;	3826	warn $@ if $@;
2785	}	3827	}
2786	}	3828	}
2787		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
2788	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
2789	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3869	$Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3871	(async {
2793	Event::one_event;	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3873	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
2795	};	3875	};
2796		3876
2797	cfg_load;	3877	evthread_start IO::AIO::poll_fileno;
		3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
2798	db_init;	3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
		3891	reload_config;
		3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
2799	load_extensions;	3901	load_extensions;
2800		3902
2801	$TICK_WATCHER->start;	3903	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
		3910	};
		3911
		3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
2803	}	3920	}
2804		3921
2805	#############################################################################	3922	#############################################################################
2806	# initialisation and cleanup	3923	# initialisation and cleanup
2807		3924
2808	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
2809	BEGIN {	3926	BEGIN {
		3927	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
2818	},
2819	);	3931	};
2820	}	3932	}
2821	}	3933	}
2822		3934
2823	sub write_runtime {	3935	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
2825		3937
2826	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
2828		3940
2829	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3942
2831	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
2832		3944
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3946	or return;
2835		3947
2836	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
2849		3961
2850	close $fh	3962	close $fh
2851	or return;	3963	or return;
2852		3964
2853	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3966	and return;
2855		3967
2856	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3969
2858	1	3970	1
		3971	}
		3972
		3973	our $uuid_lock;
		3974	our $uuid_skip;
		3975
		3976	sub write_uuid_sync($) {
		3977	$uuid_skip ||= $_[0];
		3978
		3979	return if $uuid_lock;
		3980	local $uuid_lock = 1;
		3981
		3982	my $uuid = "$LOCALDIR/uuid";
		3983
		3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3985	or return;
		3986
		3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
		3995	$uuid_skip = 0;
		3996
		3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3998	and return;
		3999
		4000	# always fsync - this file is important
		4001	aio_fsync $fh
		4002	and return;
		4003
		4004	close $fh
		4005	or return;
		4006
		4007	aio_rename "$uuid~", $uuid
		4008	and return;
		4009
		4010	trace "uuid file written ($value).\n";
		4011
		4012	1
		4013
		4014	}
		4015
		4016	sub write_uuid($$) {
		4017	my ($skip, $sync) = @_;
		4018
		4019	$sync ? write_uuid_sync $skip
		4020	: async { write_uuid_sync $skip };
2859	}	4021	}
2860		4022
2861	sub emergency_save() {	4023	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
2863		4025
2864	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
2865		4032
2866	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
2867	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	4042	$pl->valid or next;
		4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	4044	$pl->save;
2875	}	4045	}
2876	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
2877		4047
2878	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	4053	$map->valid or next;
2882	$map->save;	4054	$map->save;
2883	}	4055	}
2884	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
2885		4057
2886	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
		4063
		4064	info "emergency_perl_save: begin write uuid\n";
		4065	write_uuid_sync 1;
		4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
2889	};	4086	};
2890		4087
2891	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
2892	}	4089	}
2893		4090
2894	sub post_cleanup {	4091	sub post_cleanup {
2895	my ($make_core) = @_;	4092	my ($make_core) = @_;
2896		4093
		4094	IO::AIO::flush;
		4095
2897	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
2899	}	4126	}
2900		4127
2901	sub do_reload_perl() {	4128	sub do_reload_perl() {
2902	# can/must only be called in main	4129	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
2904	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
2905	return;	4132	return;
2906	}	4133	}
2907		4134
2908	warn "reloading...";	4135	return if $RELOAD++;
2909		4136
2910	warn "entering sync_job";	4137	my $t1 = AE::time;
2911		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
2912	cf::sync_job {	4145	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	4146	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		4147
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	4150	%EXT_CORO = ();
2941		4151
2942	warn "removing commands";	4152	trace "perl_reload: removing commands";
2943	%COMMAND = ();	4153	%COMMAND = ();
2944		4154
2945	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	4156	%EXTCMD = ();
2947	%EXTICMD = ();	4157	%EXTICMD = ();
2948		4158
2949	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
2952		4162
2953	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
2954	eval {	4164	eval {
2955	$cb->($pkg);	4165	$cb->($pkg);
2956	1	4166	1
2957	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
2958	}	4172	}
2959		4173
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		4177
2968	warn "... unloading $k";	4178	trace "... unloading $k";
2969	delete $INC{$k};	4179	delete $INC{$k};
2970		4180
2971	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
2973		4183
2974	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
2976	}	4189	}
2977		4190
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		4194
2985	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		4198
2989	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
2990	# and global variables created in xs	4200	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
2992		4202
2993	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
2994		4204
2995	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
2996	require cf;	4206	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
2998		4208
2999	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	4210	cf::reload_config;
3001		4211
3002	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	4213	cf::load_extensions;
3004		4214
		4215	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3011		4223
3012	warn "leaving sync_job";	4224	cf::_post_init 1;
3013		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3014	1	4228	1
3015	} or do {	4229	} or do {
3016	warn $@;	4230	error $@;
3017	warn "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4232	};
		4233
		4234	--$RELOAD;
3019	};	4235	}
3020		4236
3021	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3022	};	4239	};
3023		4240
3024	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3025		4242
3026	sub reload_perl() {	4243	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3029		4246
3030	$RELOAD_WATCHER ||= Event->timer (	4247	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4248	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4249
3033	data => WF_AUTOCANCEL,	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4251	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
3037	},	4253	};
3038	);	4254	};
3039	}	4255	}
3040		4256
3041	register_command "reload" => sub {	4257	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
3043		4259
3044	if ($who->flag (FLAG_WIZ)) {	4260	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4261	$who->message ("reloading server.");
		4262	async {
		4263	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4264	reload_perl;
		4265	};
3047	}	4266	}
3048	};	4267	};
3049		4268
3050	unshift @INC, $LIBDIR;	4269	#############################################################################
3051		4270
3052	my $bug_warning = 0;	4271	my $bug_warning = 0;
3053		4272
3054	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;
3056
3057	sub wait_for_tick {	4273	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3059	return if $Coro::current == $Coro::main;
3060		4275
3061	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3062	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;
3064	}	4277	}
3065		4278
3066	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3068	return if $Coro::current == $Coro::main;
3069		4281
3070	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4284	$signal->wait;
3073	}	4285	}
3074		4286
3075	my $min = 1e6;#d#	4287	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4288	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3087	return;	4291	return;
3088	}	4292	}
3089		4293
3090	$NOW = $tick_start = Event::time;	4294	cf::one_tick; # one server iteration
3091		4295
3092	cf::server_tick; # one server iteration	4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093		4297
3094	0 && sync_job {#d#	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	4300	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4301	$Coro::current->{desc} = "runtime saver";
3098	or die;	4302	write_runtime_sync
3099		4303	or error "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4304	};
		4305	}
3116		4306
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4308	$sig->send;
3133	}	4309	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3135	$sig->send;
3136	}
3137		4311
3138	$NOW = Event::time;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4314
3149	_post_tick;	4315	if (0) {
3150		4316	if ($NEXT_TICK) {
3151		4317	my $jitter = $TICK_START - $NEXT_TICK;
		4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4319	debug "jitter $JITTER\n";#d#
		4320	}
3152	},	4321	}
3153	);	4322	}
3154		4323
3155	{	4324	{
3156	BDB::max_poll_time $TICK * 0.1;	4325	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4326	info "initialising database";
3158	reentrant => 0,	4327
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3166		4329	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4331
3182	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
		4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4339
3185	cf::sync_job {	4340	cf::sync_job {
3186	eval {	4341	eval {
3187	BDB::db_env_open	4342	BDB::db_env_open
3188	$DB_ENV,	4343	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4347	0666;
3193		4348
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4350	};
3199		4351
3200	cf::cleanup "db_env_open(db): $@" if $@;	4352	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4353	};
3202	}	4354	}
		4355
		4356	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4357	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4358	};
		4359	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4361	};
		4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4364	};
		4365
		4366	info "database initialised";
3203	}	4367	}
3204		4368
3205	{	4369	{
		4370	# configure IO::AIO
		4371
		4372	info "initialising aio";
3206	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4375	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,	4376	info "aio initialised";
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4377	}
3219		4378
3220	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3221		4381
3222	sub _log_backtrace {	4382	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3224		4384
3225	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3226		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3230	async {	4395	async {
		4396	$Coro::current->{desc} = "abt $msg";
		4397
3231	my @bt = fork_call {	4398	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4400	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4401	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4402	or die "addr2line: $!";
…		…
3243	}	4410	}
3244		4411
3245	@funcs	4412	@funcs
3246	};	4413	};
3247		4414
3248	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4418	--$_log_backtrace;
3251	};	4419	};
3252	} else {	4420	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4423	}
3256	}	4424	}
3257		4425
3258	# load additional modules	4426	# load additional modules
3259	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3260		4429
3261	END { cf::emergency_save }	4430	END { cf::emergency_save }
3262		4431
3263	1	4432	1
3264		4433

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