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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.333 by root, Sun Aug 19 09:14:50 2007 UTC vs.
Revision 1.609 by root, Tue Nov 20 14:30:22 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 3.64 ();	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;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	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;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	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;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	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.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	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
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	282	that call.
178		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$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;
191		307
192	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	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	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
277	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
278	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
279		529
280	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
281		531
282	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.
283		533
284	=cut	534	=cut
285		535
286	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
287		537
288	sub lock_wait($) {	538	sub lock_wait($) {
289	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	540	}
297		541
298	sub lock_acquire($) {	542	sub lock_acquire($) {
299	my ($key) = @_;	543	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	544	}
311		545
312	sub lock_active($) {	546	sub lock_active($) {
313	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	548	}
317		549
318	sub freeze_mainloop {	550	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
320		552
321	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	554	}
323	};	555
324	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
325	$guard	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
326	}	569	}
327		570
328	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
329		572
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	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.
333		580
334	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
336		583
337	Useful for short background jobs.	584	Useful for short background jobs.
338		585
339	=cut	586	=cut
340		587
341	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
343		591
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
346	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
347		598
348	while () {	599	while () {
349	next_job:	600	next_job:
		601
350	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	603
352	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	608	$job->[2]->send;
356	Coro::cede;	609	Coro::cede;
357	goto next_job;	610	goto next_job;
358	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	613	}
360	}	614	}
361		615
362	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	619	} else {
		620	$busy = 0;
367	Coro::schedule;	621	Coro::schedule;
368	}	622	}
369	}	623	}
370	};	624	};
371		625
372	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
373	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
374		630
375	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
376	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
377		634
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
391		648
392	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
393		650
394	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
395		652
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	656	acceptable.
400		657
401	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
402	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
…		…
406	=cut	663	=cut
407		664
408	sub sync_job(&) {	665	sub sync_job(&) {
409	my ($job) = @_;	666	my ($job) = @_;
410		667
411	if ($Coro::current == $Coro::main) {	668	if (in_main) {
412	my $time = Event::time;	669	my $time = AE::time;
413		670
414	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
416		673
417	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	675
419	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
420		677
421	my $busy = 1;	678	my $busy = 1;
422	my @res;	679	my @res;
423		680
424	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	683	@res = eval { $job->() };
426	warn $@ if $@;	684	error $@ if $@;
427	undef $busy;	685	undef $busy;
428	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
429		687
430	while ($busy) {	688	while ($busy) {
431	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
432	}	693	}
		694	}
433		695
434	$time = Event::time - $time;	696	my $time = AE::time - $time;
435		697
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
440		699
441	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
442	} else {	701	} else {
443	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
444		703
…		…
464	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
465		724
466	$coro	725	$coro
467	}	726	}
468		727
469	=item fork_call { }, $args	728	=item fork_call { }, @args
470		729
471	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
472	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
475		734
476	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
477		740
478	sub fork_call(&@) {	741	sub fork_call(&@) {
479	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
480		743
481	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)
484
485	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
486	reset_signals;	745	cf::post_fork;
487	&$cb	746	&$cb
488	}, @args;	747	} @args;
489		748
490	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		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
491	}	788	}
492		789
493	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
494		791
495	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
498		795
499	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
500	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).
501		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
502	=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	}
503		825
504	our $DB;	826	our $DB;
505		827
506	sub db_init {	828	sub db_init {
507	unless ($DB) {	829	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	830	}
522		831
523	sub db_get($$) {	832	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
525		834
526	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
527	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
528		839
529	$! ? ()	840	$! ? ()
530	: $data	841	: $data
531	}
532	}	842	}
533		843
534	sub db_put($$$) {	844	sub db_put($$$) {
535	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		874
565	my @data;	875	my @data;
566	my $md5;	876	my $md5;
567		877
568	for (0 .. $#$src) {	878	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	880	}
572		881
573	# if processing is expensive, check	882	# if processing is expensive, check
574	# checksum first	883	# checksum first
575	if (1) {	884	if (1) {
576	$md5 =	885	$md5 =
577	join "\x00",	886	join "\x00",
578	$processversion,	887	$processversion,
579	map {	888	map {
580	Coro::cede;	889	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	891	} 0.. $#$src;
583		892
584		893
585	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
588		897
589	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
590	}	899	}
591	}	900	}
592		901
593	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
594	my $data = $process->(\@data);	903	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
596		905
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		907
599	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
602		911
…		…
612		921
613	=cut	922	=cut
614		923
615	sub datalog($@) {	924	sub datalog($@) {
616	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	927	}
619		928
620	=back	929	=back
621		930
622	=cut	931	=cut
623		932
624	#############################################################################	933	#############################################################################
625		934
626	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
627		936
628	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
629	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")
630	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
631		940
632	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>
633	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
634	Crossfire TRT).	943	Deliantra).
635		944
636	=over 4	945	=over 4
637		946
638	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
639		948
…		…
683	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
684		993
685	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
686	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
687		996
688	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		999
691	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
692		1001
693	=over 4	1002	=over 4
…		…
817		1126
818	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1129
821	} elsif (ref $type) {	1130	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
823		1132
824	} else {	1133	} else {
825	shift @arg;	1134	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
827	}	1136	}
828	}	1137	}
829	}	1138	}
830		1139
831	sub _object_attach {	1140	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
842	}	1151	}
843		1152
844	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
845	} else {	1154	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1156	}
848		1157
849	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
850	}	1159	}
851		1160
…		…
910		1219
911	for (@$callbacks) {	1220	for (@$callbacks) {
912	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
913		1222
914	if ($@) {	1223	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1225	override;
918	}	1226	}
919		1227
920	return 1 if $override;	1228	return 1 if $override;
921	}	1229	}
922		1230
923	0	1231	0
924	}	1232	}
925		1233
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1235
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1237
930	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
931		1239
…		…
937		1245
938	=cut	1246	=cut
939		1247
940	#############################################################################	1248	#############################################################################
941	# object support	1249	# object support
942	#
943		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#
944	sub _can_merge {	1284	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
946		1286
947	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1288
951	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
952	}	1291	}
953		1292
954	sub reattach {	1293	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1295	my ($obj) = @_;
957		1296
		1297	# no longer needed after getting rid of delete_package?
958	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
959		1299
960	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
961		1301
962	@$registry = ();	1302	@$registry = ();
963		1303
…		…
968	for (@$attach) {	1308	for (@$attach) {
969	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
971	}	1311	}
972	} else {	1312	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1314	}
975	}	1315	}
976	}	1316	}
977		1317
978	cf::attachable->attach (	1318	cf::attachable->attach (
979	prio => -1000000,	1319	prio => -1000000,
980	on_instantiate => sub {	1320	on_instantiate => sub {
981	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
982		1322
983	$data = from_json $data;	1323	$data = decode_json $data;
984		1324
985	for (@$data) {	1325	for (@$data) {
986	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
987		1327
988	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1344	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1006		1346
1007	sync_job {	1347	sync_job {
1008	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1011		1353
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1361	aio_close $fh;
1017		1362
1018	if (@$objs) {	1363	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1372	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1374	}
1027	} else {	1375	} else {
1028	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1029	}	1377	}
1030		1378
1031	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1383	} else {
1033	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1034	}	1385	}
1035	} else {	1386	} else {
1036	aio_unlink $filename;	1387	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1038	}	1389	}
1039	}	1390	};
1040	}	1391	}
1041		1392
1042	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1044		1395
…		…
1056	or return;	1407	or return;
1057		1408
1058	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1411	or return;
		1412
1061	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1062	}	1415	}
1063		1416
		1417	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1066	return ($data, $av);	1422	($data, $av)
1067	}	1423	}
1068		1424
1069	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1070		1426
1071	=over 4	1427	=over 4
…		…
1073	=cut	1429	=cut
1074		1430
1075	#############################################################################	1431	#############################################################################
1076	# command handling &c	1432	# command handling &c
1077		1433
1078	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1079		1435
1080	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
1081	$name.	1437	$name.
1082		1438
1083	=cut	1439	=cut
…		…
1089	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1090		1446
1091	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1092	}	1448	}
1093		1449
1094	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1095		1451
1096	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1097	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
1098	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
1099	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
1100	has logged in successfully.	1456	has logged in successfully.
1101		1457
1102	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1103	called.
1104		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
1105	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1106		1466
1107	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1108	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
1109	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
1110	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
1111	log-in.	1471	log-in.
1112		1472
1113	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1114	called.
1115		1474
1116	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1117		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
1118	sub register_extcmd {	1482	sub register_extcmd($$) {
1119	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1120		1484
1121	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1122	}	1486	}
1123		1487
1124	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1125	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1126		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1127	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1128	}	1498	}
1129		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1130	cf::player->attach (	1508	cf::player->attach (
1131	on_command => sub {	1509	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1133		1511
1134	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1135	or return;	1513	or return;
1136		1514
…		…
1144	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1145		1523
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1525
1148	if (ref $msg) {	1526	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1528
1154	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		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}) {
1155	my @reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
1156		1544
1157	$pl->ext_reply ($reply, @reply)	1545	$pl->ext_msg ("reply-$reply", @reply)
1158	if $reply;	1546	if $reply;
1159	}	1547	}
		1548
1160	} else {	1549	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1551	}
1163		1552
1164	cf::override;	1553	cf::override;
1165	},	1554	},
1166	);	1555	);
1167		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
1168	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1169	cf::sync_job {	1586	cf::sync_job {
1170	my %todo;	1587	my %todo;
1171		1588
1172	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1590	next unless -r $path;
…		…
1191		1608
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1611
1195	$ext{source} =	1612	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1198	. $source	1615	. $source
1199	. "\n};\n1";	1616	. "\n};\n1";
1200		1617
1201	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1202	}	1619	}
1203		1620
		1621	my $pass = 0;
1204	my %done;	1622	my %done;
1205	while (%todo) {	1623	while (%todo) {
1206	my $progress;	1624	my $progress;
1207		1625
		1626	++$pass;
		1627
		1628	ext:
1208	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1631	next ext
1211	unless exists $done{$_};	1632	unless exists $done{$_};
1212	}	1633	}
1213		1634
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1636
1216	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 $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1221	warn $msg;	1653
1222	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1655	delete $todo{$k};
1224	}	1656	} else {
1225		1657	$done{$k} = delete $todo{$k};
1226	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1227	}	1663	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1664	}
1233		1665
1234	skip:	1666	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	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	}
1237	}	1676	}
1238	};	1677	};
1239	}	1678	}
1240		1679
1241	#############################################################################	1680	#############################################################################
1242		1681
1243	=back	1682	=back
1244		1683
1245	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1246		1685
1247	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1248		1687
1249	=cut	1688	=cut
1250		1689
1251	package cf::player;	1690	package cf::player;
1252		1691
1253	use Coro::AIO;	1692	use Coro::AIO;
1254		1693
1255	=head3 cf::player	1694	=head3 cf::player
1256		1695
1257	=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	}
1258		1711
1259	=item cf::player::find $login	1712	=item cf::player::find $login
1260		1713
1261	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1262		1715
…		…
1281		1734
1282	sub exists($) {	1735	sub exists($) {
1283	my ($login) = @_;	1736	my ($login) = @_;
1284		1737
1285	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1287	}	1740	}
1288		1741
1289	sub find($) {	1742	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1744	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1755
1303	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1304	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;
1305	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1306	}	1765	}
1307	}	1766	}
1308	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1309		1781
1310	sub save($) {	1782	sub save($) {
1311	my ($pl) = @_;	1783	my ($pl) = @_;
1312		1784
1313	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1319		1791
1320	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1322		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
1323	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1324	Coro::cede;	1801	cf::cede_to_tick;
1325	}	1802	}
1326		1803
1327	sub new($) {	1804	sub new($) {
1328	my ($login) = @_;	1805	my ($login) = @_;
1329		1806
…		…
1358	my ($pl) = @_;	1835	my ($pl) = @_;
1359		1836
1360	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1361		1838
1362	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1363	$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
1364		1841
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1368	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1369		1850
1370	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1407	or return [];	1888	or return [];
1408		1889
1409	my @logins;	1890	my @logins;
1410		1891
1411	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") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1415		1902
1416	utf8::decode $login;	1903	utf8::decode $login;
1417	push @logins, $login;	1904	push @logins, $login;
1418	}	1905	}
1419		1906
1420	\@logins	1907	\@logins
1421	}	1908	}
1422		1909
1423	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1424		1913
1425	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1426	player. May block.	1915	player. May block.
1427		1916
1428	=cut	1917	=cut
…		…
1446	}	1935	}
1447		1936
1448	\@paths	1937	\@paths
1449	}	1938	}
1450		1939
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1941
1453	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500
1501	=item $player->ext_reply ($msgid, @msg)
1502
1503	Sends an ext reply to the player.
1504
1505	=cut
1506
1507	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;
1509
1510	if ($self->ns->extcmd == 2) {
1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512	} elsif ($self->ns->extcmd == 1) {
1513	#TODO: version 1, remove
1514	unshift @msg, msgtype => "reply", msgid => $id;
1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516	}
1517	}
1518		1943
1519	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1520		1945
1521	Sends an ext event to the client.	1946	Sends an ext event to the client.
1522		1947
…		…
1542		1967
1543	=cut	1968	=cut
1544		1969
1545	sub find_by_path($) {	1970	sub find_by_path($) {
1546	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1547		1974
1548	my ($match, $specificity);	1975	my ($match, $specificity);
1549		1976
1550	for my $region (list) {	1977	for my $region (list) {
1551	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1577	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1578	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1579		2006
1580	sub generate_random_map {	2007	sub generate_random_map {
1581	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1582	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1583	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1587	$rmp->{exit_on_final_map},
1588	$rmp->{xsize}, $rmp->{ysize},
1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1595	)
1596	}	2013	}
1597		2014
1598	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1599		2016
1600	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
…		…
1605		2022
1606	sub register {	2023	sub register {
1607	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1608	my $pkg = caller;	2025	my $pkg = caller;
1609		2026
1610	no strict;
1611	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1612		2028
1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1614	}	2030	}
1615		2031
1616	# also paths starting with '/'	2032	# also paths starting with '/'
1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1618		2034
1619	sub thawer_merge {	2035	sub thawer_merge {
1620	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1621		2037
1622	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1627	}	2043	}
1628		2044
1629	sub normalise {	2045	sub normalise {
1630	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1631		2047
1632	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1633		2049
1634	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1635		2051
1636	# map plan:	2052	# map plan:
1637	#	2053	#
…		…
1652	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1653	$path = "$base/$path";	2069	$path = "$base/$path";
1654	}	2070	}
1655		2071
1656	for ($path) {	2072	for ($path) {
1657	redo if s{//}{/};
1658	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1659	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1660	}	2075	}
1661		2076
1662	$path	2077	$path
…		…
1676	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1677	return $self;	2092	return $self;
1678	}	2093	}
1679	}	2094	}
1680		2095
1681	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1682	()	2097	()
1683	}	2098	}
1684		2099
		2100	# may re-bless or do other evil things
1685	sub init {	2101	sub init {
1686	my ($self) = @_;	2102	my ($self) = @_;
1687		2103
1688	$self	2104	$self
1689	}	2105	}
…		…
1708		2124
1709	# the temporary/swap location	2125	# the temporary/swap location
1710	sub save_path {	2126	sub save_path {
1711	my ($self) = @_;	2127	my ($self) = @_;
1712		2128
1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1714	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1715	}	2131	}
1716		2132
1717	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1718	sub uniq_path {	2134	sub uniq_path {
1719	my ($self) = @_;	2135	my ($self) = @_;
1720		2136
1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1722	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1723	}
1724
1725	# and all this just because we cannot iterate over
1726	# all maps in C++...
1727	sub change_all_map_light {
1728	my ($change) = @_;
1729
1730	$_->change_map_light ($change)
1731	for grep $_->outdoor, values %cf::MAP;
1732	}	2139	}
1733		2140
1734	sub decay_objects {	2141	sub decay_objects {
1735	my ($self) = @_;	2142	my ($self) = @_;
1736		2143
…		…
1749		2156
1750	sub load_header_from($) {	2157	sub load_header_from($) {
1751	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1752		2159
1753	utf8::encode $path;	2160	utf8::encode $path;
1754	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1755	# or return;
1756
1757	$self->_load_header ($path)
1758	or return;	2162	or return;
1759		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1760	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1761		2171
1762	1	2172	1
1763	}	2173	}
1764		2174
		2175	# used to laod the header of an original map
1765	sub load_header_orig {	2176	sub load_header_orig {
1766	my ($self) = @_;	2177	my ($self) = @_;
1767		2178
1768	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1769	}	2180	}
1770		2181
		2182	# used to laod the header of an instantiated map
1771	sub load_header_temp {	2183	sub load_header_temp {
1772	my ($self) = @_;	2184	my ($self) = @_;
1773		2185
1774	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1775	}	2187	}
1776		2188
		2189	# called after loading the header from an instantiated map
1777	sub prepare_temp {	2190	sub prepare_temp {
1778	my ($self) = @_;	2191	my ($self) = @_;
1779		2192
1780	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1781	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1782	# safety	2195	# safety
1783	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1784	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1785	}	2198	}
1786		2199
		2200	# called after loading the header from an original map
1787	sub prepare_orig {	2201	sub prepare_orig {
1788	my ($self) = @_;	2202	my ($self) = @_;
1789		2203
1790	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1791	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1815		2229
1816	sub find;	2230	sub find;
1817	sub find {	2231	sub find {
1818	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1819		2233
		2234	cf::cede_to_tick;
		2235
1820	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1821		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1822	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1823		2240
1824	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1825	my $guard = cf::lock_acquire "map_find:$path";
1826	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1827	or return;	2243	or return;
1828		2244
1829	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1830		2246
…		…
1832	or return;	2248	or return;
1833		2249
1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1835	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1836	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1837	$map->reset;	2255	$map->reset;
1838	undef $guard;
1839	return find $path;	2256	return find $path;
1840	}	2257	}
1841		2258
1842	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1843	}	2260	}
1844	}	2261	}
1845		2262
1846	sub pre_load { }	2263	sub pre_load { }
1847	sub post_load { }	2264	#sub post_load { } # XS
1848		2265
1849	sub load {	2266	sub load {
1850	my ($self) = @_;	2267	my ($self) = @_;
1851		2268
1852	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1853		2270
1854	my $path = $self->{path};	2271	my $path = $self->{path};
1855		2272
1856	{	2273	{
1857	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1858		2275
		2276	return unless $self->valid;
1859	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1860
1861	$self->in_memory (cf::MAP_LOADING);
1862		2278
1863	$self->alloc;	2279	$self->alloc;
1864		2280
1865	$self->pre_load;	2281	$self->pre_load;
1866	Coro::cede;	2282	cf::cede_to_tick;
1867		2283
1868	$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)
1869	or return;	2288	or return;
1870		2289
1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1872	if delete $self->{load_original};	2291	if delete $self->{load_original};
1873		2292
1874	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1875	utf8::encode $uniq;	2294	utf8::encode $uniq;
1876	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1877	$self->clear_unique_items;	2297	$self->clear_unique_items;
1878	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1879	}	2302	}
1880	}
1881		2303
1882	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;
1883	# now do the right thing for maps	2313	# now do the right thing for maps
1884	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1885	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1886	unless $self->difficulty;	2316	unless $self->difficulty;
1887	Coro::cede;	2317	cf::cede_to_tick;
1888		2318
1889	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1890	$self->decay_objects;	2320	$self->decay_objects;
1891	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1892	$self->update_buttons;	2322	$self->update_buttons;
1893	Coro::cede;	2323	cf::cede_to_tick;
1894	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1895	Coro::cede;
1896	$self->activate;
1897	}	2325	}
1898		2326
1899	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1900	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1901
1902	$self->in_memory (cf::MAP_IN_MEMORY);
1903	}	2329	}
1904		2330
1905	$self->post_load;	2331	$self->post_load;
1906	}
1907		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
1908	sub customise_for {	2339	sub customise_for {
1909	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1910		2341
1911	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1912	if $self->per_player;	2343	if $self->per_player;
…		…
1915	# if $self->per_party;	2346	# if $self->per_party;
1916		2347
1917	$self	2348	$self
1918	}	2349	}
1919		2350
1920	# find and load all maps in the 3x3 area around a map
1921	sub load_neighbours {
1922	my ($map) = @_;
1923
1924	my @neigh; # diagonal neighbours
1925
1926	for (0 .. 3) {
1927	my $neigh = $map->tile_path ($_)
1928	or next;
1929	$neigh = find $neigh, $map
1930	or next;
1931	$neigh->load;
1932
1933	push @neigh,
1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1936	}
1937
1938	for (grep defined $_->[0], @neigh) {
1939	my ($path, $origin) = @$_;
1940	my $neigh = find $path, $origin
1941	or next;
1942	$neigh->load;
1943	}
1944	}
1945
1946	sub find_sync {	2351	sub find_sync {
1947	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1948		2353
1949	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
1950	}	2359	}
1951		2360
1952	sub do_load_sync {	2361	sub do_load_sync {
1953	my ($map) = @_;	2362	my ($map) = @_;
1954		2363
1955	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;
1956	}	2369	}
1957		2370
1958	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1959	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1960		2373
1961	sub find_async {	2374	sub find_async {
1962	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1963		2376
1964	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1965		2378
1966	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1968	}	2381	}
1969		2382
1970	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1971	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1972	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1973	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1974	if (my $map = find $path) {	2390	if (my $map = find $k) {
1975	$map->load;	2391	$map->load if $v;
1976	}	2392	}
1977		2393
1978	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1979	}	2395	}
1980	}	2396	}
1981	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1982	};	2398	};
1983	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1984		2400
1985	()	2401	()
1986	}	2402	}
1987		2403
		2404	# common code, used by both ->save and ->swapout
1988	sub save {	2405	sub _save {
1989	my ($self) = @_;	2406	my ($self) = @_;
1990
1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1992		2407
1993	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1994		2409
1995	return unless $self->dirty;	2410	return unless $self->dirty;
1996		2411
…		…
2002	return if $self->{deny_save};	2417	return if $self->{deny_save};
2003		2418
2004	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2005		2420
2006	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2007	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2008	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2009		2427
2010	if ($uniq) {	2428	if ($uniq) {
2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2013	} else {	2431	} else {
2014	$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);
2015	}	2433	}
2016	}	2434	}
2017		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2018	sub swap_out {	2444	sub swap_out {
2019	my ($self) = @_;	2445	my ($self) = @_;
2020		2446
2021	# save first because save cedes
2022	$self->save;
2023
2024	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2025		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2026	return if $self->players;	2451	return if $self->players;
2027	return if $self->in_memory != cf::MAP_IN_MEMORY;
2028	return if $self->{deny_save};
2029		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
2030	$self->clear;	2462	$self->clear;
2031	$self->in_memory (cf::MAP_SWAPPED);
2032	}	2463	}
2033		2464
2034	sub reset_at {	2465	sub reset_at {
2035	my ($self) = @_;	2466	my ($self) = @_;
2036		2467
…		…
2054		2485
2055	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2056		2487
2057	return if $self->players;	2488	return if $self->players;
2058		2489
2059	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2060		2491
2061	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2062		2493
2063	# need to save uniques path	2494	# need to save uniques path
2064	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2065	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2066		2497
…		…
2068	if $uniq;	2499	if $uniq;
2069	}	2500	}
2070		2501
2071	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2072		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2073	$self->clear;	2506	$self->clear;
2074
2075	$_->clear_links_to ($self) for values %cf::MAP;
2076		2507
2077	$self->unlink_save;	2508	$self->unlink_save;
2078	$self->destroy;	2509	$self->destroy;
2079	}	2510	}
2080		2511
2081	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2082		2513
2083	sub nuke {	2514	sub nuke {
2084	my ($self) = @_;	2515	my ($self) = @_;
2085		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2086	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2087		2521
2088	$self->unlink_save;	2522	$self->unlink_save;
2089		2523
2090	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2091	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2092	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2093	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2095		2529
2096	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2097		2532
2098	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2099	}	2534	}
2100		2535
2101	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2143		2578
2144	sub unique_maps() {	2579	sub unique_maps() {
2145	[	2580	[
2146	map {	2581	map {
2147	utf8::decode $_;	2582	utf8::decode $_;
2148	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2149	? normalise $_	2586	: normalise $_
2150	: ()
2151	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2152	]	2588	]
2153	}	2589	}
2154		2590
2155	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	}
2156		2622
2157	=back	2623	=back
2158		2624
2159	=head3 cf::object	2625	=head3 cf::object
2160		2626
…		…
2164		2630
2165	=over 4	2631	=over 4
2166		2632
2167	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2168		2634
2169	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.
2170		2637
2171	=cut	2638	=cut
2172		2639
2173	sub inv_recursive_;	2640	sub inv_recursive_;
2174	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2177		2644
2178	sub inv_recursive {	2645	sub inv_recursive {
2179	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2180	}	2647	}
2181		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
2182	package cf;	2677	package cf;
2183		2678
2184	=back	2679	=back
2185		2680
2186	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2192	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>
2193	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
2194	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2195		2690
2196	=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	};
2197		2706
2198	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2199	# with dialog boxes.	2708	# with dialog boxes.
2200	#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
2201	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2213	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2215		2724
2216	} else {	2725	} else {
2217	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2218	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2219	}	2728	}
2220	}	2729	}
2221	}	2730	}
2222		2731
2223	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2248		2757
2249	=item $player_object->enter_link	2758	=item $player_object->enter_link
2250		2759
2251	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}>).
2252		2761
2253	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.
2254	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.
2255		2766
2256	Will never block.	2767	Will never block.
2257		2768
2258	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2259		2770
…		…
2279	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2280	my ($self) = @_;	2791	my ($self) = @_;
2281		2792
2282	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2283		2794
		2795	++$self->{_link_recursion};
		2796
2284	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2285		2798
2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2287	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2288		2801
2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2290	}	2803	}
2291		2804
2292	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2293	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2294		2807
…		…
2311	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2312	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2313		2826
2314	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2315	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2316	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2317		2830
2318	$map->load;	2831	$map->load;
2319	$map->load_neighbours;
2320		2832
2321	return unless $self->contr->active;	2833	return unless $self->contr->active;
2322	$self->activate_recursive;
2323		2834
2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2325	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2326	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2327		2842
		2843	}
		2844
2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2329		2846
2330	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
2331	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2332	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
2333	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2334	be called at the end of this process.	2851	be called at the end of this process.
2335		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 >>.
		2855
2336	=cut	2856	=cut
2337		2857
2338	our $GOTOGEN;	2858	our $GOTOGEN;
2339		2859
2340	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2341	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2342		2862
		2863	if ($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	}
		2868
2343	# 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
2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2345		2871
2346	$self->enter_link;	2872	$self->enter_link;
2347		2873
2348	(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
2349	my $map = eval {	2896	my $map = eval {
2350	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2351		2898
2352	if ($map) {	2899	if ($map) {
2353	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2354	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2355	} else {	2902	} else {
2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2357	}	2904	}
2358		2905
2359	$map	2906	$map
2360	};	2907	};
2361		2908
…		…
2367	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2368	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2369	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2370	}	2917	}
2371		2918
2372	$done->() if $done;	2919	$done->($self) if $done;
2373	})->prio (1);	2920	})->prio (1);
2374	}	2921	}
2375		2922
2376	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2377		2924
…		…
2397	}	2944	}
2398		2945
2399	sub prepare_random_map {	2946	sub prepare_random_map {
2400	my ($exit) = @_;	2947	my ($exit) = @_;
2401		2948
2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
2403
2404	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2405	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2406	# that depends on the exit object	2951	# that depends on the exit object
2407		2952
2408	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2410	if ($exit->map) {	2955	if ($exit->map) {
2411	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2412	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2413	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2414	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2415	}	2962	}
2416		2963
2417	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2418		2965
2419	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2420	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2421	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2422		2969
2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2424	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2425	undef $fh;	2972	undef $fh;
2426	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2427		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2428	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2429	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2430	}	2981	}
2431	}	2982	}
2432		2983
2433	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2434	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2435		2986
2436	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2437		2988
2438	if ($exit->slaying eq "/!") {
2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
2440	# the problem is that $exit might not survive long enough
2441	# so it needs to be done right now, right here
2442	cf::sync_job { prepare_random_map $exit };
2443	}
2444
2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2446	my $hp = $exit->stats->hp;
2447	my $sp = $exit->stats->sp;
2448
2449	$self->enter_link;	2989	$self->enter_link;
2450		2990
2451	# if exit is damned, update players death & WoR home-position
2452	$self->contr->savebed ($slaying, $hp, $sp)
2453	if $exit->flag (FLAG_DAMNED);
2454
2455	(async {	2991	(async {
2456	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2457	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
2458	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2459		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
2460	1;	3030	1
2461	}) {	3031	}) {
2462	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2463	. "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. "
2464	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2465	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2466		3036
2467	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2468	$self->leave_link;	3038	$self->leave_link;
2469	}	3039	}
2470	})->prio (1);	3040	})->prio (1);
2471	}	3041	}
2472		3042
2473	=head3 cf::client	3043	=head3 cf::client
2474		3044
2475	=over 4	3045	=over 4
2476		3046
2477	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2478		3048
2479	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2480	should not be used under normal circumstances.	3050	them as required.
2481		3051
2482	=cut	3052	=cut
2483		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2484	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2485	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2486		3058
2487	utf8::encode $text;	3059	# try lzf for large packets
2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2489	}	3070	}
2490		3071
2491	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2492		3073
2493	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2494	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2495	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2496	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2497		3078
2498	=cut	3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
2499		3200
2500	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2501	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2502		3203
2503	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2504		3206
2505	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2506		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2507	if (ref $channel) {	3216	} elsif (ref $channel) {
2508	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2509	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2510	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2511	$self->ext_msg (channel_info => $channel);	3220	$self->ext_msg (channel_info => $channel);
2512	}	3221	}
…		…
2514	$channel = $channel->{id};	3223	$channel = $channel->{id};
2515	}	3224	}
2516		3225
2517	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2518		3227
2519	if ($self->can_msg) {
2520	# default colour, mask it out	3228	# default colour, mask it out
2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2522	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2523		3231
2524	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2526	} else {	3235	);
2527	if ($color >= 0) {
2528	# replace some tags by gcfclient-compatible ones
2529	for ($msg) {
2530	1 while
2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536	}
2537		3236
2538	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2539
2540	utf8::encode $msg;
2541
2542	if (0 && $msg =~ /\[/) {
2543	# COMMAND/INFO
2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
2545	} else {
2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2547	$self->send_packet ("drawinfo $color $msg")
2548	}
2549	}
2550	}
2551	}	3238	}
2552		3239
2553	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2554		3241
2555	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2557	=cut	3244	=cut
2558		3245
2559	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2560	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2561		3248
2562	my $extcmd = $self->extcmd;
2563
2564	if ($extcmd == 2) {
2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566	} elsif ($extcmd == 1) { # TODO: remove
2567	push @msg, msgtype => "event_$type";
2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569	}
2570	}	3250	}
2571		3251
2572	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2573		3253
2574	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2594		3274
2595	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2596	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2597		3277
2598	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our @COMMAND_FACES; # [normal commands, emotes, dm commands]
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = (
		3291	$COMMAND_FACES[0],
		3292	$COMMAND_FACES[1],
		3293	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACES[2] : ()
		3294	);
		3295
		3296	$self->send_face ($_)
		3297	for @faces;
		3298	$self->flush_fx;
		3299
		3300	$self->ext_msg (command_list => @faces);
		3301	}
		3302
		3303	=item cf::client::set_command_faces $normal_commands, $emotes, $dm_commands
		3304
		3305	=cut
		3306
		3307	sub cf::client::set_command_faces {
		3308	@COMMAND_FACES = @_;
2599	}	3309	}
2600		3310
2601	cf::client->attach (	3311	cf::client->attach (
2602	on_connect => sub {	3312	on_connect => sub {
2603	my ($ns) = @_;	3313	my ($ns) = @_;
…		…
2629	my ($ns, $buf) = @_;	3339	my ($ns, $buf) = @_;
2630		3340
2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3341	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2632		3342
2633	if (ref $msg) {	3343	if (ref $msg) {
2634	my ($type, $reply, @payload) =	3344	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2635	"ARRAY" eq ref $msg
2636	? @$msg
2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638		3345
2639	if (my $cb = $EXTICMD{$type}) {	3346	if (my $cb = $EXTIACMD{$type}) {
		3347	$cb->(
		3348	$ns,
		3349	sub {
		3350	$ns->ext_msg ("reply-$reply", @_)
		3351	if $reply;
		3352	},
		3353	@payload
		3354	);
		3355	} else {
		3356	my @reply;
		3357
		3358	if (my $cb = $EXTICMD{$type}) {
2640	my @reply = $cb->($ns, @payload);	3359	@reply = $cb->($ns, @payload);
		3360	}
2641		3361
2642	$ns->ext_reply ($reply, @reply)	3362	$ns->ext_msg ("reply-$reply", @reply)
2643	if $reply;	3363	if $reply;
2644	}	3364	}
2645	} else {	3365	} else {
2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3366	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647	}	3367	}
2648		3368
2649	cf::override;	3369	cf::override;
2650	},	3370	},
2651	);	3371	);
…		…
2671		3391
2672	$coro	3392	$coro
2673	}	3393	}
2674		3394
2675	cf::client->attach (	3395	cf::client->attach (
2676	on_destroy => sub {	3396	on_client_destroy => sub {
2677	my ($ns) = @_;	3397	my ($ns) = @_;
2678		3398
2679	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3399	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2680	},	3400	},
2681	);	3401	);
…		…
2697	our $safe_hole = new Safe::Hole;	3417	our $safe_hole = new Safe::Hole;
2698		3418
2699	$SIG{FPE} = 'IGNORE';	3419	$SIG{FPE} = 'IGNORE';
2700		3420
2701	$safe->permit_only (Opcode::opset qw(	3421	$safe->permit_only (Opcode::opset qw(
2702	:base_core :base_mem :base_orig :base_math	3422	:base_core :base_mem :base_orig :base_math :base_loop
2703	grepstart grepwhile mapstart mapwhile	3423	grepstart grepwhile mapstart mapwhile
2704	sort time	3424	sort time
2705	));	3425	));
2706		3426
2707	# here we export the classes and methods available to script code	3427	# here we export the classes and methods available to script code
…		…
2709	=pod	3429	=pod
2710		3430
2711	The following functions and methods are available within a safe environment:	3431	The following functions and methods are available within a safe environment:
2712		3432
2713	cf::object	3433	cf::object
2714	contr pay_amount pay_player map x y force_find force_add	3434	contr pay_amount pay_player map x y force_find force_add destroy
2715	insert remove name archname title slaying race	3435	insert remove name archname title slaying race decrease split
		3436	value
2716		3437
2717	cf::object::player	3438	cf::object::player
2718	player	3439	player
2719		3440
2720	cf::player	3441	cf::player
…		…
2725		3446
2726	=cut	3447	=cut
2727		3448
2728	for (	3449	for (
2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3450	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730	insert remove inv name archname title slaying race)],	3451	insert remove inv nrof name archname title slaying race
		3452	decrease split destroy change_exp value msg lore send_msg)],
2731	["cf::object::player" => qw(player)],	3453	["cf::object::player" => qw(player)],
2732	["cf::player" => qw(peaceful)],	3454	["cf::player" => qw(peaceful send_msg)],
2733	["cf::map" => qw(trigger)],	3455	["cf::map" => qw(trigger)],
2734	) {	3456	) {
2735	no strict 'refs';
2736	my ($pkg, @funs) = @$_;	3457	my ($pkg, @funs) = @$_;
2737	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3458	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2738	for @funs;	3459	for @funs;
2739	}	3460	}
2740		3461
…		…
2755		3476
2756	my $qcode = $code;	3477	my $qcode = $code;
2757	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3478	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2758	$qcode =~ s/\n/\\n/g;	3479	$qcode =~ s/\n/\\n/g;
2759		3480
		3481	%vars = (_dummy => 0) unless %vars;
		3482
		3483	my @res;
2760	local $_;	3484	local $_;
2761	local @safe::cf::_safe_eval_args = values %vars;
2762		3485
2763	my $eval =	3486	my $eval =
2764	"do {\n"	3487	"do {\n"
2765	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3488	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2766	. "#line 0 \"{$qcode}\"\n"	3489	. "#line 0 \"{$qcode}\"\n"
2767	. $code	3490	. $code
2768	. "\n}"	3491	. "\n}"
2769	;	3492	;
2770		3493
		3494	if ($CFG{safe_eval}) {
2771	sub_generation_inc;	3495	sub_generation_inc;
		3496	local @safe::cf::_safe_eval_args = values %vars;
2772	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3497	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2773	sub_generation_inc;	3498	sub_generation_inc;
		3499	} else {
		3500	local @cf::_safe_eval_args = values %vars;
		3501	@res = wantarray ? eval eval : scalar eval $eval;
		3502	}
2774		3503
2775	if ($@) {	3504	if ($@) {
2776	warn "$@";	3505	warn "$@",
2777	warn "while executing safe code '$code'\n";	3506	"while executing safe code '$code'\n",
2778	warn "with arguments " . (join " ", %vars) . "\n";	3507	"with arguments " . (join " ", %vars) . "\n";
2779	}	3508	}
2780		3509
2781	wantarray ? @res : $res[0]	3510	wantarray ? @res : $res[0]
2782	}	3511	}
2783		3512
…		…
2797	=cut	3526	=cut
2798		3527
2799	sub register_script_function {	3528	sub register_script_function {
2800	my ($fun, $cb) = @_;	3529	my ($fun, $cb) = @_;
2801		3530
2802	no strict 'refs';	3531	$fun = "safe::$fun" if $CFG{safe_eval};
2803	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3532	*$fun = $safe_hole->wrap ($cb);
2804	}	3533	}
2805		3534
2806	=back	3535	=back
2807		3536
2808	=cut	3537	=cut
2809		3538
2810	#############################################################################	3539	#############################################################################
2811	# the server's init and main functions	3540	# the server's init and main functions
2812		3541
		3542	{
		3543	package cf::face;
		3544
		3545	our %HASH; # hash => idx
		3546	our @DATA; # dynamically-created facedata, only faceste 0 used
		3547	our @FOFS; # file offset, if > 0
		3548	our @SIZE; # size of face, in octets
		3549	our @META; # meta hash of face, if any
		3550	our $DATAFH; # facedata filehandle
		3551
		3552	# internal api, not finalised
		3553	sub set {
		3554	my ($name, $type, $data) = @_;
		3555
		3556	my $idx = cf::face::find $name;
		3557
		3558	if ($idx) {
		3559	delete $HASH{cf::face::get_csum $idx};
		3560	} else {
		3561	$idx = cf::face::alloc $name;
		3562	}
		3563
		3564	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3565
		3566	cf::face::set_type $idx, $type;
		3567	cf::face::set_csum $idx, 0, $hash;
		3568
		3569	# we need to destroy the SV itself, not just modify it, as a running ix
		3570	# might hold a reference to it: "delete" achieves that.
		3571	delete $FOFS[0][$idx];
		3572	delete $DATA[0][$idx];
		3573	$DATA[0][$idx] = $data;
		3574	$SIZE[0][$idx] = length $data;
		3575	delete $META[$idx];
		3576	$HASH{$hash} = $idx;#d#
		3577
		3578	$idx
		3579	}
		3580
		3581	sub _get_data($$$) {
		3582	my ($idx, $set, $cb) = @_;
		3583
		3584	if (defined $DATA[$set][$idx]) {
		3585	$cb->($DATA[$set][$idx]);
		3586	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3587	my $size = $SIZE[$set][$idx];
		3588	my $buf;
		3589	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3590	if ($_[0] == $size) {
		3591	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3592	$cb->($buf);
		3593	} else {
		3594	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3595	}
		3596	};
		3597	} else {
		3598	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3599	}
		3600	}
		3601
		3602	# rather ineffient
		3603	sub cf::face::get_data($;$) {
		3604	my ($idx, $set) = @_;
		3605
		3606	_get_data $idx, $set, Coro::rouse_cb;
		3607	Coro::rouse_wait
		3608	}
		3609
		3610	sub cf::face::ix {
		3611	my ($ns, $set, $idx, $pri) = @_;
		3612
		3613	_get_data $idx, $set, sub {
		3614	$ns->ix_send ($idx, $pri, $_[0]);
		3615	};
		3616	}
		3617	}
		3618
2813	sub load_facedata($) {	3619	sub load_facedata($) {
2814	my ($path) = @_;	3620	my ($path) = @_;
2815		3621
		3622	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3623
2816	warn "loading facedata from $path\n";	3624	trace "loading facedata from $path\n";
2817		3625
2818	my $facedata;	3626	my $facedata = decode_storable load_file "$path/faceinfo";
2819	0 < aio_load $path, $facedata
2820	or die "$path: $!";
2821
2822	$facedata = Coro::Storable::thaw $facedata;
2823		3627
2824	$facedata->{version} == 2	3628	$facedata->{version} == 2
2825	or cf::cleanup "$path: version mismatch, cannot proceed.";	3629	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3630
		3631	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3632	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3633
		3634	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3635
		3636	# BEGIN ATOMIC
		3637	# from here on, everything must be atomic - no thread switch allowed
		3638	my $t1 = EV::time;
2826		3639
2827	{	3640	{
2828	my $faces = $facedata->{faceinfo};	3641	my $faces = $facedata->{faceinfo};
2829		3642
2830	while (my ($face, $info) = each %$faces) {	3643	for my $face (sort keys %$faces) {
		3644	my $info = $faces->{$face};
2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3645	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3646
2832	cf::face::set_visibility $idx, $info->{visibility};	3647	cf::face::set_visibility $idx, $info->{visibility};
2833	cf::face::set_magicmap $idx, $info->{magicmap};	3648	cf::face::set_magicmap $idx, $info->{magicmap};
2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3649	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3650	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2836		3651	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2837	cf::cede_to_tick;	3652	$cf::face::HASH{$info->{hash64}} = $idx;
		3653	delete $cf::face::META[$idx];
2838	}	3654	}
2839		3655
2840	while (my ($face, $info) = each %$faces) {	3656	while (my ($face, $info) = each %$faces) {
2841	next unless $info->{smooth};	3657	next unless $info->{smooth};
		3658
2842	my $idx = cf::face::find $face	3659	my $idx = cf::face::find $face
2843	or next;	3660	or next;
		3661
2844	if (my $smooth = cf::face::find $info->{smooth}) {	3662	if (my $smooth = cf::face::find $info->{smooth}) {
2845	cf::face::set_smooth $idx, $smooth;	3663	cf::face::set_smooth $idx, $smooth;
2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3664	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2847	} else {	3665	} else {
2848	warn "smooth face '$info->{smooth}' not found for face '$face'";	3666	error "smooth face '$info->{smooth}' not found for face '$face'";
2849	}	3667	}
2850
2851	cf::cede_to_tick;
2852	}	3668	}
2853	}	3669	}
2854		3670
2855	{	3671	{
2856	my $anims = $facedata->{animinfo};	3672	my $anims = $facedata->{animinfo};
2857		3673
2858	while (my ($anim, $info) = each %$anims) {	3674	while (my ($anim, $info) = each %$anims) {
2859	cf::anim::set $anim, $info->{frames}, $info->{facings};	3675	cf::anim::set $anim, $info->{frames}, $info->{facings};
2860	cf::cede_to_tick;
2861	}	3676	}
2862		3677
2863	cf::anim::invalidate_all; # d'oh	3678	cf::anim::invalidate_all; # d'oh
2864	}	3679	}
2865		3680
2866	{	3681	{
2867	# TODO: for gcfclient pleasure, we should give resources
2868	# that gcfclient doesn't grok a >10000 face index.
2869	my $res = $facedata->{resource};	3682	my $res = $facedata->{resource};
2870	my $enc = JSON::XS->new->utf8->canonical;
2871
2872	my $soundconf = delete $res->{"res/sound.conf"};
2873		3683
2874	while (my ($name, $info) = each %$res) {	3684	while (my ($name, $info) = each %$res) {
2875	my $meta = $enc->encode ({	3685	if (defined (my $type = $info->{type})) {
2876	name => $name,	3686	# TODO: different hash - must free and use new index, or cache ixface data queue
2877	%{ $info->{meta} || {} },
2878	});
2879
2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3687	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2881		3688
2882	if ($info->{type} & 1) {
2883	# prepend meta info
2884
2885	my $data = pack "(w/a*)*", $meta, $info->{data};
2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2887
2888	cf::face::set_data $idx, 0, $data, $chk;	3689	cf::face::set_type $idx, $type;
		3690	cf::face::set_csum $idx, 0, $info->{hash};
		3691	$cf::face::SIZE[0][$idx] = $info->{size};
		3692	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3693	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3694	$cf::face::HASH{$info->{hash}} = $idx;
2889	} else {	3695	} else {
2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3696	# $RESOURCE{$name} = $info; # unused
2891	}	3697	}
2892
2893	cf::face::set_type $idx, $info->{type};
2894
2895	cf::cede_to_tick;
2896	}
2897
2898	if ($soundconf) {
2899	$soundconf = $enc->decode (delete $soundconf->{data});
2900
2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2902	my $sound = $soundconf->{compat}[$_]
2903	or next;
2904
2905	my $face = cf::face::find "sound/$sound->[1]";
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}	3698	}
2909
2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
2911	my $face = cf::face::find "sound/$v";
2912	cf::sound::set $k => $face;
2913	}
2914	}
2915	}	3699	}
		3700
		3701	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3702
		3703	# HACK to clear player env face cache, we need some signal framework
		3704	# for this (global event?)
		3705	%ext::player_env::MUSIC_FACE_CACHE = ();
		3706
		3707	# END ATOMIC
		3708
		3709	cf::debug "facedata atomic update time ", EV::time - $t1;
		3710
		3711	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3712
		3713	aio_close $fh if $fh; # close old facedata
2916		3714
2917	1	3715	1
2918	}	3716	}
2919		3717
2920	register_exticmd fx_want => sub {	3718	register_exticmd fx_want => sub {
…		…
2923	while (my ($k, $v) = each %$want) {	3721	while (my ($k, $v) = each %$want) {
2924	$ns->fx_want ($k, $v);	3722	$ns->fx_want ($k, $v);
2925	}	3723	}
2926	};	3724	};
2927		3725
		3726	sub load_resource_file($) {
		3727	my $guard = lock_acquire "load_resource_file";
		3728
		3729	my $status = load_resource_file_ $_[0];
		3730	get_slot 0.1, 100;
		3731	cf::arch::commit_load;
		3732
		3733	$status
		3734	}
		3735
		3736	sub reload_exp_table {
		3737	_reload_exp_table;
		3738
		3739	cf::face::set
		3740	"res/exp_table" => FT_RSRC,
		3741	JSON::XS->new->utf8->canonical->encode (
		3742	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3743	);
		3744	}
		3745
		3746	sub reload_materials {
		3747	_reload_materials;
		3748	}
		3749
2928	sub reload_regions {	3750	sub reload_regions {
		3751	# HACK to clear player env face cache, we need some signal framework
		3752	# for this (global event?)
		3753	%ext::player_env::MUSIC_FACE_CACHE = ();
		3754
2929	load_resource_file "$MAPDIR/regions"	3755	load_resource_file "$MAPDIR/regions"
2930	or die "unable to load regions file\n";	3756	or die "unable to load regions file\n";
2931		3757
2932	for (cf::region::list) {	3758	for (cf::region::list) {
2933	$_->{match} = qr/$_->{match}/	3759	$_->{match} = qr/$_->{match}/
2934	if exists $_->{match};	3760	if exists $_->{match};
2935	}	3761	}
2936	}	3762	}
2937		3763
2938	sub reload_facedata {	3764	sub reload_facedata {
2939	load_facedata "$DATADIR/facedata"	3765	load_facedata $DATADIR
2940	or die "unable to load facedata\n";	3766	or die "unable to load facedata\n";
2941	}	3767	}
2942		3768
2943	sub reload_archetypes {	3769	sub reload_archetypes {
2944	load_resource_file "$DATADIR/archetypes"	3770	load_resource_file "$DATADIR/archetypes"
2945	or die "unable to load archetypes\n";	3771	or die "unable to load archetypes\n";
2946	#d# NEED to laod twice to resolve forward references	3772
2947	# this really needs to be done in an extra post-pass	3773	cf::face::set
2948	# (which needs to be synchronous, so solve it differently)	3774	"res/skill_info" => FT_RSRC,
2949	load_resource_file "$DATADIR/archetypes"	3775	JSON::XS->new->utf8->canonical->encode (
2950	or die "unable to load archetypes\n";	3776	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3777	);
		3778
		3779	cf::face::set
		3780	"res/spell_paths" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3783	);
2951	}	3784	}
2952		3785
2953	sub reload_treasures {	3786	sub reload_treasures {
2954	load_resource_file "$DATADIR/treasures"	3787	load_resource_file "$DATADIR/treasures"
2955	or die "unable to load treasurelists\n";	3788	or die "unable to load treasurelists\n";
2956	}	3789	}
2957		3790
		3791	sub reload_sound {
		3792	trace "loading sound config from $DATADIR/sound\n";
		3793
		3794	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3795
		3796	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3797	my $sound = $soundconf->{compat}[$_]
		3798	or next;
		3799
		3800	my $face = cf::face::find "sound/$sound->[1]";
		3801	cf::sound::set $sound->[0] => $face;
		3802	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3803	}
		3804
		3805	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3806	my $face = cf::face::find "sound/$v";
		3807	cf::sound::set $k => $face;
		3808	}
		3809	}
		3810
2958	sub reload_resources {	3811	sub reload_resources {
2959	warn "reloading resource files...\n";	3812	trace "reloading resource files...\n";
2960		3813
		3814	reload_materials;
		3815	reload_facedata;
		3816	reload_exp_table;
		3817	reload_sound;
		3818	reload_archetypes;
2961	reload_regions;	3819	reload_regions;
2962	reload_facedata;
2963	#reload_archetypes;#d#
2964	reload_archetypes;
2965	reload_treasures;	3820	reload_treasures;
2966		3821
2967	warn "finished reloading resource files\n";	3822	trace "finished reloading resource files\n";
2968	}	3823	}
2969		3824
2970	sub init {	3825	sub reload_config {
2971	reload_resources;	3826	trace "reloading config file...\n";
2972	}
2973		3827
2974	sub cfg_load {	3828	my $config = load_file "$CONFDIR/config";
2975	open my $fh, "<:utf8", "$CONFDIR/config"	3829	utf8::decode $config;
2976	or return;	3830	*CFG = decode_yaml $config;
2977		3831
2978	local $/;
2979	*CFG = YAML::Syck::Load <$fh>;
2980
2981	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3832	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2982		3833
2983	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3834	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2984	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3835	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2985		3836
2986	if (exists $CFG{mlockall}) {	3837	if (exists $CFG{mlockall}) {
…		…
2990	};	3841	};
2991	warn $@ if $@;	3842	warn $@ if $@;
2992	}	3843	}
2993	}	3844	}
2994		3845
		3846	sub pidfile() {
		3847	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3848	or die "$PIDFILE: $!";
		3849	flock $fh, &Fcntl::LOCK_EX
		3850	or die "$PIDFILE: flock: $!";
		3851	$fh
		3852	}
		3853
		3854	# make sure only one server instance is running at any one time
		3855	sub atomic {
		3856	my $fh = pidfile;
		3857
		3858	my $pid = <$fh>;
		3859	kill 9, $pid if $pid > 0;
		3860
		3861	seek $fh, 0, 0;
		3862	print $fh $$;
		3863	}
		3864
		3865	sub main_loop {
		3866	trace "EV::loop starting\n";
		3867	if (1) {
		3868	EV::loop;
		3869	}
		3870	trace "EV::loop returned\n";
		3871	goto &main_loop unless $REALLY_UNLOOP;
		3872	}
		3873
2995	sub main {	3874	sub main {
		3875	cf::init_globals; # initialise logging
		3876
		3877	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3878	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3879	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3880	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3881
		3882	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3883
2996	# we must not ever block the main coroutine	3884	# we must not ever block the main coroutine
2997	local $Coro::idle = sub {	3885	$Coro::idle = sub {
2998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3886	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2999	(async {	3887	(async {
3000	Event::one_event;	3888	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3889	EV::loop EV::LOOP_ONESHOT;
3001	})->prio (Coro::PRIO_MAX);	3890	})->prio (Coro::PRIO_MAX);
3002	};	3891	};
3003		3892
3004	cfg_load;	3893	evthread_start IO::AIO::poll_fileno;
		3894
		3895	cf::sync_job {
		3896	cf::incloader::init ();
		3897
3005	db_init;	3898	db_init;
		3899
		3900	cf::init_anim;
		3901	cf::init_attackmess;
		3902	cf::init_dynamic;
		3903
		3904	cf::load_settings;
		3905
		3906	reload_resources;
		3907	reload_config;
		3908
		3909	cf::init_uuid;
		3910	cf::init_signals;
		3911	cf::init_skills;
		3912
		3913	cf::init_beforeplay;
		3914
		3915	atomic;
		3916
3006	load_extensions;	3917	load_extensions;
3007		3918
3008	$TICK_WATCHER->start;	3919	utime time, time, $RUNTIMEFILE;
3009	Event::loop;	3920
		3921	# no (long-running) fork's whatsoever before this point(!)
		3922	use POSIX ();
		3923	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3924
		3925	cf::_post_init 0;
		3926	};
		3927
		3928	cf::object::thawer::errors_are_fatal 0;
		3929	info "parse errors in files are no longer fatal from this point on.\n";
		3930
		3931	AE::postpone {
		3932	undef &main; # free gobs of memory :)
		3933	};
		3934
		3935	goto &main_loop;
3010	}	3936	}
3011		3937
3012	#############################################################################	3938	#############################################################################
3013	# initialisation and cleanup	3939	# initialisation and cleanup
3014		3940
3015	# install some emergency cleanup handlers	3941	# install some emergency cleanup handlers
3016	BEGIN {	3942	BEGIN {
		3943	our %SIGWATCHER = ();
3017	for my $signal (qw(INT HUP TERM)) {	3944	for my $signal (qw(INT HUP TERM)) {
3018	Event->signal (	3945	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3019	reentrant => 0,
3020	data => WF_AUTOCANCEL,
3021	signal => $signal,
3022	prio => 0,
3023	cb => sub {
3024	cf::cleanup "SIG$signal";	3946	cf::cleanup "SIG$signal";
3025	},
3026	);	3947	};
3027	}	3948	}
3028	}	3949	}
3029		3950
3030	sub write_runtime {	3951	sub write_runtime_sync {
3031	my $runtime = "$LOCALDIR/runtime";	3952	my $t0 = AE::time;
3032		3953
3033	# first touch the runtime file to show we are still running:	3954	# first touch the runtime file to show we are still running:
3034	# the fsync below can take a very very long time.	3955	# the fsync below can take a very very long time.
3035		3956
3036	IO::AIO::aio_utime $runtime, undef, undef;	3957	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3037		3958
3038	my $guard = cf::lock_acquire "write_runtime";	3959	my $guard = cf::lock_acquire "write_runtime";
3039		3960
3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3961	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3041	or return;	3962	or return;
3042		3963
3043	my $value = $cf::RUNTIME + 90 + 10;	3964	my $value = $cf::RUNTIME + 90 + 10;
3044	# 10 is the runtime save interval, for a monotonic clock	3965	# 10 is the runtime save interval, for a monotonic clock
3045	# 60 allows for the watchdog to kill the server.	3966	# 60 allows for the watchdog to kill the server.
…		…
3055	aio_utime $fh, undef, undef;	3976	aio_utime $fh, undef, undef;
3056		3977
3057	close $fh	3978	close $fh
3058	or return;	3979	or return;
3059		3980
3060	aio_rename "$runtime~", $runtime	3981	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3061	and return;	3982	and return;
3062		3983
3063	warn "runtime file written.\n";	3984	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3064		3985
3065	1	3986	1
		3987	}
		3988
		3989	our $uuid_lock;
		3990	our $uuid_skip;
		3991
		3992	sub write_uuid_sync($) {
		3993	$uuid_skip ||= $_[0];
		3994
		3995	return if $uuid_lock;
		3996	local $uuid_lock = 1;
		3997
		3998	my $uuid = "$LOCALDIR/uuid";
		3999
		4000	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4001	or return;
		4002
		4003	my $value = uuid_seq uuid_cur;
		4004
		4005	unless ($value) {
		4006	info "cowardly refusing to write zero uuid value!\n";
		4007	return;
		4008	}
		4009
		4010	my $value = uuid_str $value + $uuid_skip;
		4011	$uuid_skip = 0;
		4012
		4013	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4014	and return;
		4015
		4016	# always fsync - this file is important
		4017	aio_fsync $fh
		4018	and return;
		4019
		4020	close $fh
		4021	or return;
		4022
		4023	aio_rename "$uuid~", $uuid
		4024	and return;
		4025
		4026	trace "uuid file written ($value).\n";
		4027
		4028	1
		4029
		4030	}
		4031
		4032	sub write_uuid($$) {
		4033	my ($skip, $sync) = @_;
		4034
		4035	$sync ? write_uuid_sync $skip
		4036	: async { write_uuid_sync $skip };
3066	}	4037	}
3067		4038
3068	sub emergency_save() {	4039	sub emergency_save() {
3069	my $freeze_guard = cf::freeze_mainloop;	4040	my $freeze_guard = cf::freeze_mainloop;
3070		4041
3071	warn "enter emergency perl save\n";	4042	info "emergency_perl_save: enter\n";
		4043
		4044	# this is a trade-off: we want to be very quick here, so
		4045	# save all maps without fsync, and later call a global sync
		4046	# (which in turn might be very very slow)
		4047	local $USE_FSYNC = 0;
3072		4048
3073	cf::sync_job {	4049	cf::sync_job {
		4050	cf::write_runtime_sync; # external watchdog should not bark
		4051
3074	# use a peculiar iteration method to avoid tripping on perl	4052	# use a peculiar iteration method to avoid tripping on perl
3075	# refcount bugs in for. also avoids problems with players	4053	# refcount bugs in for. also avoids problems with players
3076	# and maps saved/destroyed asynchronously.	4054	# and maps saved/destroyed asynchronously.
3077	warn "begin emergency player save\n";	4055	info "emergency_perl_save: begin player save\n";
3078	for my $login (keys %cf::PLAYER) {	4056	for my $login (keys %cf::PLAYER) {
3079	my $pl = $cf::PLAYER{$login} or next;	4057	my $pl = $cf::PLAYER{$login} or next;
3080	$pl->valid or next;	4058	$pl->valid or next;
		4059	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3081	$pl->save;	4060	$pl->save;
3082	}	4061	}
3083	warn "end emergency player save\n";	4062	info "emergency_perl_save: end player save\n";
3084		4063
3085	warn "begin emergency map save\n";	4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	info "emergency_perl_save: begin map save\n";
3086	for my $path (keys %cf::MAP) {	4067	for my $path (keys %cf::MAP) {
3087	my $map = $cf::MAP{$path} or next;	4068	my $map = $cf::MAP{$path} or next;
3088	$map->valid or next;	4069	$map->valid or next;
3089	$map->save;	4070	$map->save;
3090	}	4071	}
3091	warn "end emergency map save\n";	4072	info "emergency_perl_save: end map save\n";
3092		4073
3093	warn "begin emergency database checkpoint\n";	4074	cf::write_runtime_sync; # external watchdog should not bark
		4075
		4076	info "emergency_perl_save: begin database checkpoint\n";
3094	BDB::db_env_txn_checkpoint $DB_ENV;	4077	BDB::db_env_txn_checkpoint $DB_ENV;
3095	warn "end emergency database checkpoint\n";	4078	info "emergency_perl_save: end database checkpoint\n";
		4079
		4080	info "emergency_perl_save: begin write uuid\n";
		4081	write_uuid_sync 1;
		4082	info "emergency_perl_save: end write uuid\n";
		4083
		4084	cf::write_runtime_sync; # external watchdog should not bark
		4085
		4086	trace "emergency_perl_save: syncing database to disk";
		4087	BDB::db_env_txn_checkpoint $DB_ENV;
		4088
		4089	info "emergency_perl_save: starting sync\n";
		4090	IO::AIO::aio_sync sub {
		4091	info "emergency_perl_save: finished sync\n";
		4092	};
		4093
		4094	cf::write_runtime_sync; # external watchdog should not bark
		4095
		4096	trace "emergency_perl_save: flushing outstanding aio requests";
		4097	while (IO::AIO::nreqs || BDB::nreqs) {
		4098	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4099	}
		4100
		4101	cf::write_runtime_sync; # external watchdog should not bark
3096	};	4102	};
3097		4103
3098	warn "leave emergency perl save\n";	4104	info "emergency_perl_save: leave\n";
3099	}	4105	}
3100		4106
3101	sub post_cleanup {	4107	sub post_cleanup {
3102	my ($make_core) = @_;	4108	my ($make_core) = @_;
3103		4109
		4110	IO::AIO::flush;
		4111
3104	warn Carp::longmess "post_cleanup backtrace"	4112	error Carp::longmess "post_cleanup backtrace"
3105	if $make_core;	4113	if $make_core;
		4114
		4115	my $fh = pidfile;
		4116	unlink $PIDFILE if <$fh> == $$;
		4117	}
		4118
		4119	# a safer delete_package, copied from Symbol
		4120	sub clear_package($) {
		4121	my $pkg = shift;
		4122
		4123	# expand to full symbol table name if needed
		4124	unless ($pkg =~ /^main::.*::$/) {
		4125	$pkg = "main$pkg" if $pkg =~ /^::/;
		4126	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4127	$pkg .= '::' unless $pkg =~ /::$/;
		4128	}
		4129
		4130	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4131	my $stem_symtab = *{$stem}{HASH};
		4132
		4133	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4134	or return;
		4135
		4136	# clear all symbols
		4137	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4138	for my $name (keys %$leaf_symtab) {
		4139	_gv_clear *{"$pkg$name"};
		4140	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4141	}
3106	}	4142	}
3107		4143
3108	sub do_reload_perl() {	4144	sub do_reload_perl() {
3109	# can/must only be called in main	4145	# can/must only be called in main
3110	if ($Coro::current != $Coro::main) {	4146	unless (in_main) {
3111	warn "can only reload from main coroutine";	4147	error "can only reload from main coroutine";
3112	return;	4148	return;
3113	}	4149	}
3114		4150
3115	warn "reloading...";	4151	return if $RELOAD++;
3116		4152
3117	warn "entering sync_job";	4153	my $t1 = AE::time;
3118		4154
		4155	while ($RELOAD) {
		4156	cf::get_slot 0.1, -1, "reload_perl";
		4157	info "perl_reload: reloading...";
		4158
		4159	trace "perl_reload: entering sync_job";
		4160
3119	cf::sync_job {	4161	cf::sync_job {
3120	cf::write_runtime; # external watchdog should not bark
3121	cf::emergency_save;	4162	#cf::emergency_save;
3122	cf::write_runtime; # external watchdog should not bark
3123		4163
3124	warn "syncing database to disk";
3125	BDB::db_env_txn_checkpoint $DB_ENV;
3126
3127	# if anything goes wrong in here, we should simply crash as we already saved
3128
3129	warn "cancelling all WF_AUTOCANCEL watchers";
3130	for (Event::all_watchers) {
3131	$_->cancel if $_->data & WF_AUTOCANCEL;
3132	}
3133
3134	warn "flushing outstanding aio requests";
3135	for (;;) {
3136	BDB::flush;
3137	IO::AIO::flush;
3138	Coro::cede;
3139	last unless IO::AIO::nreqs || BDB::nreqs;
3140	warn "iterate...";
3141	}
3142
3143	++$RELOAD;
3144
3145	warn "cancelling all extension coros";	4164	trace "perl_reload: cancelling all extension coros";
3146	$_->cancel for values %EXT_CORO;	4165	$_->cancel for values %EXT_CORO;
3147	%EXT_CORO = ();	4166	%EXT_CORO = ();
3148		4167
3149	warn "removing commands";	4168	trace "perl_reload: removing commands";
3150	%COMMAND = ();	4169	%COMMAND = ();
3151		4170
3152	warn "removing ext/exti commands";	4171	trace "perl_reload: removing ext/exti commands";
3153	%EXTCMD = ();	4172	%EXTCMD = ();
3154	%EXTICMD = ();	4173	%EXTICMD = ();
3155		4174
3156	warn "unloading/nuking all extensions";	4175	trace "perl_reload: unloading/nuking all extensions";
3157	for my $pkg (@EXTS) {	4176	for my $pkg (@EXTS) {
3158	warn "... unloading $pkg";	4177	trace "... unloading $pkg";
3159		4178
3160	if (my $cb = $pkg->can ("unload")) {	4179	if (my $cb = $pkg->can ("unload")) {
3161	eval {	4180	eval {
3162	$cb->($pkg);	4181	$cb->($pkg);
3163	1	4182	1
3164	} or warn "$pkg unloaded, but with errors: $@";	4183	} or error "$pkg unloaded, but with errors: $@";
		4184	}
		4185
		4186	trace "... clearing $pkg";
		4187	clear_package $pkg;
3165	}	4188	}
3166		4189
3167	warn "... nuking $pkg";
3168	Symbol::delete_package $pkg;
3169	}
3170
3171	warn "unloading all perl modules loaded from $LIBDIR";	4190	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3172	while (my ($k, $v) = each %INC) {	4191	while (my ($k, $v) = each %INC) {
3173	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3174		4193
3175	warn "... unloading $k";	4194	trace "... unloading $k";
3176	delete $INC{$k};	4195	delete $INC{$k};
3177		4196
3178	$k =~ s/\.pm$//;	4197	$k =~ s/\.pm$//;
3179	$k =~ s/\//::/g;	4198	$k =~ s/\//::/g;
3180		4199
3181	if (my $cb = $k->can ("unload_module")) {	4200	if (my $cb = $k->can ("unload_module")) {
3182	$cb->();	4201	$cb->();
		4202	}
		4203
		4204	clear_package $k;
3183	}	4205	}
3184		4206
3185	Symbol::delete_package $k;
3186	}
3187
3188	warn "getting rid of safe::, as good as possible";	4207	trace "perl_reload: getting rid of safe::, as good as possible";
3189	Symbol::delete_package "safe::$_"	4208	clear_package "safe::$_"
3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3191		4210
3192	warn "unloading cf.pm \"a bit\"";	4211	trace "perl_reload: unloading cf.pm \"a bit\"";
3193	delete $INC{"cf.pm"};	4212	delete $INC{"cf.pm"};
3194	delete $INC{"cf/pod.pm"};	4213	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3195		4214
3196	# don't, removes xs symbols, too,	4215	# don't, removes xs symbols, too,
3197	# and global variables created in xs	4216	# and global variables created in xs
3198	#Symbol::delete_package __PACKAGE__;	4217	#clear_package __PACKAGE__;
3199		4218
3200	warn "unload completed, starting to reload now";	4219	info "perl_reload: unload completed, starting to reload now";
3201		4220
3202	warn "reloading cf.pm";	4221	trace "perl_reload: reloading cf.pm";
3203	require cf;	4222	require cf;
3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4223	cf::_connect_to_perl_1;
3205		4224
3206	warn "loading config and database again";	4225	trace "perl_reload: loading config and database again";
3207	cf::cfg_load;	4226	cf::reload_config;
3208		4227
3209	warn "loading extensions";	4228	trace "perl_reload: loading extensions";
3210	cf::load_extensions;	4229	cf::load_extensions;
3211		4230
		4231	if ($REATTACH_ON_RELOAD) {
3212	warn "reattaching attachments to objects/players";	4232	trace "perl_reload: reattaching attachments to objects/players";
3213	_global_reattach; # objects, sockets	4233	_global_reattach; # objects, sockets
3214	warn "reattaching attachments to maps";	4234	trace "perl_reload: reattaching attachments to maps";
3215	reattach $_ for values %MAP;	4235	reattach $_ for values %MAP;
3216	warn "reattaching attachments to players";	4236	trace "perl_reload: reattaching attachments to players";
3217	reattach $_ for values %PLAYER;	4237	reattach $_ for values %PLAYER;
		4238	}
3218		4239
3219	warn "leaving sync_job";	4240	cf::_post_init 1;
3220		4241
		4242	trace "perl_reload: leaving sync_job";
		4243
3221	1	4244	1
3222	} or do {	4245	} or do {
3223	warn $@;	4246	error $@;
3224	warn "error while reloading, exiting.";	4247	cf::cleanup "perl_reload: error, exiting.";
3225	exit 1;	4248	};
		4249
		4250	--$RELOAD;
3226	};	4251	}
3227		4252
3228	warn "reloaded";	4253	$t1 = AE::time - $t1;
		4254	info "perl_reload: completed in ${t1}s\n";
3229	};	4255	};
3230		4256
3231	our $RELOAD_WATCHER; # used only during reload	4257	our $RELOAD_WATCHER; # used only during reload
3232		4258
3233	sub reload_perl() {	4259	sub reload_perl() {
3234	# doing reload synchronously and two reloads happen back-to-back,	4260	# doing reload synchronously and two reloads happen back-to-back,
3235	# coro crashes during coro_state_free->destroy here.	4261	# coro crashes during coro_state_free->destroy here.
3236		4262
3237	$RELOAD_WATCHER ||= Event->timer (	4263	$RELOAD_WATCHER ||= cf::async {
3238	reentrant => 0,	4264	Coro::AIO::aio_wait cache_extensions;
3239	after => 0,	4265
3240	data => WF_AUTOCANCEL,	4266	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3241	cb => sub {
3242	do_reload_perl;	4267	do_reload_perl;
3243	undef $RELOAD_WATCHER;	4268	undef $RELOAD_WATCHER;
3244	},	4269	};
3245	);	4270	};
3246	}	4271	}
3247		4272
3248	register_command "reload" => sub {	4273	register_command "reload" => sub {
3249	my ($who, $arg) = @_;	4274	my ($who, $arg) = @_;
3250		4275
3251	if ($who->flag (FLAG_WIZ)) {	4276	if ($who->flag (FLAG_WIZ)) {
3252	$who->message ("reloading server.");	4277	$who->message ("reloading server.");
		4278	async {
		4279	$Coro::current->{desc} = "perl_reload";
3253	async { reload_perl };	4280	reload_perl;
		4281	};
3254	}	4282	}
3255	};	4283	};
3256		4284
3257	unshift @INC, $LIBDIR;	4285	#############################################################################
3258		4286
3259	my $bug_warning = 0;	4287	my $bug_warning = 0;
3260		4288
3261	our @WAIT_FOR_TICK;
3262	our @WAIT_FOR_TICK_BEGIN;
3263
3264	sub wait_for_tick {	4289	sub wait_for_tick() {
3265	return unless $TICK_WATCHER->is_active;	4290	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3266	return if $Coro::current == $Coro::main;
3267		4291
3268	my $signal = new Coro::Signal;	4292	$WAIT_FOR_TICK->wait;
3269	push @WAIT_FOR_TICK, $signal;
3270	$signal->wait;
3271	}	4293	}
3272		4294
3273	sub wait_for_tick_begin {	4295	sub wait_for_tick_begin() {
3274	return unless $TICK_WATCHER->is_active;	4296	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3275	return if $Coro::current == $Coro::main;
3276		4297
3277	my $signal = new Coro::Signal;	4298	my $signal = new Coro::Signal;
3278	push @WAIT_FOR_TICK_BEGIN, $signal;	4299	push @WAIT_FOR_TICK_BEGIN, $signal;
3279	$signal->wait;	4300	$signal->wait;
3280	}	4301	}
3281		4302
3282	my $min = 1e6;#d#	4303	sub tick {
3283	my $avg = 10;
3284	$TICK_WATCHER = Event->timer (
3285	reentrant => 0,
3286	parked => 1,
3287	prio => 0,
3288	at => $NEXT_TICK || $TICK,
3289	data => WF_AUTOCANCEL,
3290	cb => sub {
3291	if ($Coro::current != $Coro::main) {	4304	if ($Coro::current != $Coro::main) {
3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4305	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3293	unless ++$bug_warning > 10;	4306	unless ++$bug_warning > 10;
3294	return;	4307	return;
3295	}	4308	}
3296		4309
3297	$NOW = $tick_start = Event::time;	4310	cf::one_tick; # one server iteration
3298		4311
3299	cf::server_tick; # one server iteration	4312	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3300		4313
3301	0 && sync_job {#d#	4314	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3302	for(1..10) {	4315	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3303	my $t = Event::time;	4316	Coro::async_pool {
3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4317	$Coro::current->{desc} = "runtime saver";
3305	or die;	4318	write_runtime_sync
3306		4319	or error "ERROR: unable to write runtime file: $!";
3307	$map->width (50);
3308	$map->height (50);
3309	$map->alloc;
3310	$map->_load_objects ("/tmp/x.map", 1);
3311	my $t = Event::time - $t;
3312
3313	#next unless $t < 0.0013;#d#
3314	if ($t < $min) {
3315	$min = $t;
3316	}
3317	$avg = $avg * 0.99 + $t * 0.01;
3318	}
3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3320	exit 0;
3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3322	};	4320	};
		4321	}
3323		4322
3324	$RUNTIME += $TICK;
3325	$NEXT_TICK += $TICK;
3326
3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
3329	Coro::async_pool {
3330	write_runtime
3331	or warn "ERROR: unable to write runtime file: $!";
3332	};
3333	}
3334
3335	# my $AFTER = Event::time;
3336	# warn $AFTER - $NOW;#d#
3337
3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4323	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3339	$sig->send;	4324	$sig->send;
3340	}	4325	}
3341	while (my $sig = shift @WAIT_FOR_TICK) {	4326	$WAIT_FOR_TICK->broadcast;
3342	$sig->send;
3343	}
3344		4327
3345	$NOW = Event::time;	4328	$LOAD = ($NOW - $TICK_START) / $TICK;
3346
3347	# if we are delayed by four ticks or more, skip them all
3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3349
3350	$TICK_WATCHER->at ($NEXT_TICK);
3351	$TICK_WATCHER->start;
3352
3353	$LOAD = ($NOW - $tick_start) / $TICK;
3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4329	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3355		4330
3356	_post_tick;	4331	if (0) {
3357		4332	if ($NEXT_TICK) {
3358		4333	my $jitter = $TICK_START - $NEXT_TICK;
		4334	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4335	debug "jitter $JITTER\n";#d#
		4336	}
3359	},	4337	}
3360	);	4338	}
3361		4339
3362	{	4340	{
3363	BDB::max_poll_time $TICK * 0.1;	4341	# configure BDB
3364	$BDB_POLL_WATCHER = Event->io (	4342	info "initialising database";
3365	reentrant => 0,	4343
3366	fd => BDB::poll_fileno,
3367	poll => 'r',
3368	prio => 0,
3369	data => WF_AUTOCANCEL,
3370	cb => \&BDB::poll_cb,
3371	);
3372	BDB::min_parallel 8;	4344	BDB::min_parallel 16;
3373		4345	BDB::max_poll_reqs $TICK * 0.1;
3374	BDB::set_sync_prepare {	4346	#$AnyEvent::BDB::WATCHER->priority (1);
3375	my $status;
3376	my $current = $Coro::current;
3377	(
3378	sub {
3379	$status = $!;
3380	$current->ready; undef $current;
3381	},
3382	sub {
3383	Coro::schedule while defined $current;
3384	$! = $status;
3385	},
3386	)
3387	};
3388		4347
3389	unless ($DB_ENV) {	4348	unless ($DB_ENV) {
3390	$DB_ENV = BDB::db_env_create;	4349	$DB_ENV = BDB::db_env_create;
		4350	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4351	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4352	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4353	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4354	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3391		4355
3392	cf::sync_job {	4356	cf::sync_job {
3393	eval {	4357	eval {
3394	BDB::db_env_open	4358	BDB::db_env_open
3395	$DB_ENV,	4359	$DB_ENV,
…		…
3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4361	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4362	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3399	0666;	4363	0666;
3400		4364
3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4365	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3402
3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3404	$DB_ENV->set_lk_detect;
3405	};	4366	};
3406		4367
3407	cf::cleanup "db_env_open(db): $@" if $@;	4368	cf::cleanup "db_env_open(db): $@" if $@;
3408	};	4369	};
3409	}	4370	}
		4371
		4372	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4373	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4374	};
		4375	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4376	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4377	};
		4378	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4379	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4380	};
		4381
		4382	info "database initialised";
3410	}	4383	}
3411		4384
3412	{	4385	{
		4386	# configure IO::AIO
		4387
		4388	info "initialising aio";
3413	IO::AIO::min_parallel 8;	4389	IO::AIO::min_parallel 8;
3414
3415	undef $Coro::AIO::WATCHER;
3416	IO::AIO::max_poll_time $TICK * 0.1;	4390	IO::AIO::max_poll_time $TICK * 0.1;
3417	$AIO_POLL_WATCHER = Event->io (	4391	undef $AnyEvent::AIO::WATCHER;
3418	reentrant => 0,	4392	info "aio initialised";
3419	data => WF_AUTOCANCEL,
3420	fd => IO::AIO::poll_fileno,
3421	poll => 'r',
3422	prio => 6,
3423	cb => \&IO::AIO::poll_cb,
3424	);
3425	}	4393	}
3426		4394
3427	my $_log_backtrace;	4395	our $_log_backtrace;
		4396	our $_log_backtrace_last;
3428		4397
3429	sub _log_backtrace {	4398	sub _log_backtrace {
3430	my ($msg, @addr) = @_;	4399	my ($msg, @addr) = @_;
3431		4400
3432	$msg =~ s/\n//;	4401	$msg =~ s/\n$//;
3433		4402
		4403	if ($_log_backtrace_last eq $msg) {
		4404	LOG llevInfo, "[ABT] $msg\n";
		4405	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3434	# limit the # of concurrent backtraces	4406	# limit the # of concurrent backtraces
3435	if ($_log_backtrace < 2) {	4407	} elsif ($_log_backtrace < 2) {
		4408	$_log_backtrace_last = $msg;
3436	++$_log_backtrace;	4409	++$_log_backtrace;
		4410	my $perl_bt = Carp::longmess $msg;
3437	async {	4411	async {
		4412	$Coro::current->{desc} = "abt $msg";
		4413
3438	my @bt = fork_call {	4414	my @bt = fork_call {
3439	@addr = map { sprintf "%x", $_ } @addr;	4415	@addr = map { sprintf "%x", $_ } @addr;
3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4416	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4417	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3442	or die "addr2line: $!";	4418	or die "addr2line: $!";
…		…
3450	}	4426	}
3451		4427
3452	@funcs	4428	@funcs
3453	};	4429	};
3454		4430
3455	LOG llevInfo, "[ABT] $msg\n";	4431	LOG llevInfo, "[ABT] $perl_bt\n";
		4432	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3456	LOG llevInfo, "[ABT] $_\n" for @bt;	4433	LOG llevInfo, "[ABT] $_\n" for @bt;
3457	--$_log_backtrace;	4434	--$_log_backtrace;
3458	};	4435	};
3459	} else {	4436	} else {
3460	LOG llevInfo, "[ABT] $msg\n";	4437	LOG llevInfo, "[ABT] $msg\n";
3461	LOG llevInfo, "[ABT] [suppressed]\n";	4438	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3462	}	4439	}
3463	}	4440	}
3464		4441
3465	# load additional modules	4442	# load additional modules
3466	use cf::pod;	4443	require "cf/$_.pm" for @EXTRA_MODULES;
		4444	cf::_connect_to_perl_2;
3467		4445
3468	END { cf::emergency_save }	4446	END { cf::emergency_save }
3469		4447
3470	1	4448	1
3471		4449

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