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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC vs.
Revision 1.612 by root, Wed Nov 21 12:47:09 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
		602	Coro::cede;
		603
350	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	605
352	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	610	$job->[2]->send;
356	Coro::cede;
357	goto next_job;	611	goto next_job;
358	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	614	}
360	}	615	}
361		616
362	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
364	push @cf::WAIT_FOR_TICK, $signal;
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	my @reply;
1155
1156	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}) {
1157	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1158	}	1547	}
1159		1548
1160	$pl->ext_reply ($reply, @reply)
1161	if $reply;
1162
1163	} else {	1549	} else {
1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1165	}	1551	}
1166		1552
1167	cf::override;	1553	cf::override;
1168	},	1554	},
1169	);	1555	);
1170		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
1171	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1172	cf::sync_job {	1586	cf::sync_job {
1173	my %todo;	1587	my %todo;
1174		1588
1175	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1176	next unless -r $path;	1590	next unless -r $path;
…		…
1194		1608
1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1197		1611
1198	$ext{source} =	1612	$ext{source} =
1199	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1200	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1201	. $source	1615	. $source
1202	. "\n};\n1";	1616	. "\n};\n1";
1203		1617
1204	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1205	}	1619	}
1206		1620
		1621	my $pass = 0;
1207	my %done;	1622	my %done;
1208	while (%todo) {	1623	while (%todo) {
1209	my $progress;	1624	my $progress;
1210		1625
		1626	++$pass;
		1627
		1628	ext:
1211	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1212	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1213	goto skip	1631	next ext
1214	unless exists $done{$_};	1632	unless exists $done{$_};
1215	}	1633	}
1216		1634
1217	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1218		1636
1219	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 $@) {
1220	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1221	: "$v->{base}: extension inactive.\n";
1222		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1223	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1224	warn $msg;	1653
1225	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1226	exit 1;	1655	delete $todo{$k};
1227	}	1656	} else {
1228		1657	$done{$k} = delete $todo{$k};
1229	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1230	}	1663	}
1231
1232	$done{$k} = delete $todo{$k};
1233	push @EXTS, $v->{pkg};
1234	$progress = 1;
1235	}	1664	}
1236		1665
1237	skip:	1666	unless ($progress) {
1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1239	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	}
1240	}	1676	}
1241	};	1677	};
1242	}	1678	}
1243		1679
1244	#############################################################################	1680	#############################################################################
1245		1681
1246	=back	1682	=back
1247		1683
1248	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1249		1685
1250	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1251		1687
1252	=cut	1688	=cut
1253		1689
1254	package cf::player;	1690	package cf::player;
1255		1691
1256	use Coro::AIO;	1692	use Coro::AIO;
1257		1693
1258	=head3 cf::player	1694	=head3 cf::player
1259		1695
1260	=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	}
1261		1711
1262	=item cf::player::find $login	1712	=item cf::player::find $login
1263		1713
1264	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1265		1715
…		…
1284		1734
1285	sub exists($) {	1735	sub exists($) {
1286	my ($login) = @_;	1736	my ($login) = @_;
1287		1737
1288	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1289	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1290	}	1740	}
1291		1741
1292	sub find($) {	1742	sub find($) {
1293	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1294	my $login = $_[0];	1744	my $login = $_[0];
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1755
1306	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1307	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;
1308	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1309	}	1765	}
1310	}	1766	}
1311	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1312		1781
1313	sub save($) {	1782	sub save($) {
1314	my ($pl) = @_;	1783	my ($pl) = @_;
1315		1784
1316	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1321	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1322		1791
1323	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1325		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
1326	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1327	Coro::cede;	1801	cf::cede_to_tick;
1328	}	1802	}
1329		1803
1330	sub new($) {	1804	sub new($) {
1331	my ($login) = @_;	1805	my ($login) = @_;
1332		1806
…		…
1361	my ($pl) = @_;	1835	my ($pl) = @_;
1362		1836
1363	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1364		1838
1365	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1366	$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
1367		1841
1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1369	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1371	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1372		1850
1373	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1374	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1375	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1410	or return [];	1888	or return [];
1411		1889
1412	my @logins;	1890	my @logins;
1413		1891
1414	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") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1418		1902
1419	utf8::decode $login;	1903	utf8::decode $login;
1420	push @logins, $login;	1904	push @logins, $login;
1421	}	1905	}
1422		1906
1423	\@logins	1907	\@logins
1424	}	1908	}
1425		1909
1426	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1427		1913
1428	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1429	player. May block.	1915	player. May block.
1430		1916
1431	=cut	1917	=cut
…		…
1449	}	1935	}
1450		1936
1451	\@paths	1937	\@paths
1452	}	1938	}
1453		1939
1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1455		1941
1456	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1457
1458	=cut
1459
1460	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;
1462
1463	# escape & and <
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466
1467	# this is buggy, it needs to properly take care of nested <'s
1468
1469	1 while
1470	# replace B<>, I<>, U<> etc.
1471	s/B<([^\>]*)>/<b>$1<\/b>/
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
1474	# replace G<male|female> tags
1475	|| s{G<([^>|]*)\|([^>]*)>}{
1476	$self->gender ? $2 : $1
1477	}ge
1478	# replace H<hint text>
1479	|| s{H<([^\>]*)>}
1480	{
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")
1484	[$self->{hintmode}]
1485	}ge;
1486
1487	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;
1489
1490	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines
1495
1496	$_
1497	}
1498
1499	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}
1502	}
1503
1504	=item $player->ext_reply ($msgid, @msg)
1505
1506	Sends an ext reply to the player.
1507
1508	=cut
1509
1510	sub ext_reply($$@) {
1511	my ($self, $id, @msg) = @_;
1512
1513	$self->ns->ext_reply ($id, @msg)
1514	}
1515		1943
1516	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1517		1945
1518	Sends an ext event to the client.	1946	Sends an ext event to the client.
1519		1947
…		…
1539		1967
1540	=cut	1968	=cut
1541		1969
1542	sub find_by_path($) {	1970	sub find_by_path($) {
1543	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1544		1974
1545	my ($match, $specificity);	1975	my ($match, $specificity);
1546		1976
1547	for my $region (list) {	1977	for my $region (list) {
1548	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1574	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1576		2006
1577	sub generate_random_map {	2007	sub generate_random_map {
1578	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1579	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1580	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1584	$rmp->{exit_on_final_map},
1585	$rmp->{xsize}, $rmp->{ysize},
1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1592	)
1593	}	2013	}
1594		2014
1595	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1596		2016
1597	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
…		…
1602		2022
1603	sub register {	2023	sub register {
1604	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1605	my $pkg = caller;	2025	my $pkg = caller;
1606		2026
1607	no strict;
1608	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1609		2028
1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1611	}	2030	}
1612		2031
1613	# also paths starting with '/'	2032	# also paths starting with '/'
1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1615		2034
1616	sub thawer_merge {	2035	sub thawer_merge {
1617	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1618		2037
1619	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1624	}	2043	}
1625		2044
1626	sub normalise {	2045	sub normalise {
1627	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1628		2047
1629	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1630		2049
1631	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1632		2051
1633	# map plan:	2052	# map plan:
1634	#	2053	#
…		…
1649	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1650	$path = "$base/$path";	2069	$path = "$base/$path";
1651	}	2070	}
1652		2071
1653	for ($path) {	2072	for ($path) {
1654	redo if s{//}{/};
1655	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1656	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1657	}	2075	}
1658		2076
1659	$path	2077	$path
…		…
1673	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1674	return $self;	2092	return $self;
1675	}	2093	}
1676	}	2094	}
1677		2095
1678	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1679	()	2097	()
1680	}	2098	}
1681		2099
		2100	# may re-bless or do other evil things
1682	sub init {	2101	sub init {
1683	my ($self) = @_;	2102	my ($self) = @_;
1684		2103
1685	$self	2104	$self
1686	}	2105	}
…		…
1705		2124
1706	# the temporary/swap location	2125	# the temporary/swap location
1707	sub save_path {	2126	sub save_path {
1708	my ($self) = @_;	2127	my ($self) = @_;
1709		2128
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1712	}	2131	}
1713		2132
1714	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1715	sub uniq_path {	2134	sub uniq_path {
1716	my ($self) = @_;	2135	my ($self) = @_;
1717		2136
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1720	}
1721
1722	# and all this just because we cannot iterate over
1723	# all maps in C++...
1724	sub change_all_map_light {
1725	my ($change) = @_;
1726
1727	$_->change_map_light ($change)
1728	for grep $_->outdoor, values %cf::MAP;
1729	}	2139	}
1730		2140
1731	sub decay_objects {	2141	sub decay_objects {
1732	my ($self) = @_;	2142	my ($self) = @_;
1733		2143
…		…
1746		2156
1747	sub load_header_from($) {	2157	sub load_header_from($) {
1748	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1749		2159
1750	utf8::encode $path;	2160	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	2162	or return;
1756		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1757	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1758		2171
1759	1	2172	1
1760	}	2173	}
1761		2174
		2175	# used to laod the header of an original map
1762	sub load_header_orig {	2176	sub load_header_orig {
1763	my ($self) = @_;	2177	my ($self) = @_;
1764		2178
1765	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1766	}	2180	}
1767		2181
		2182	# used to laod the header of an instantiated map
1768	sub load_header_temp {	2183	sub load_header_temp {
1769	my ($self) = @_;	2184	my ($self) = @_;
1770		2185
1771	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1772	}	2187	}
1773		2188
		2189	# called after loading the header from an instantiated map
1774	sub prepare_temp {	2190	sub prepare_temp {
1775	my ($self) = @_;	2191	my ($self) = @_;
1776		2192
1777	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1778	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1779	# safety	2195	# safety
1780	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1781	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1782	}	2198	}
1783		2199
		2200	# called after loading the header from an original map
1784	sub prepare_orig {	2201	sub prepare_orig {
1785	my ($self) = @_;	2202	my ($self) = @_;
1786		2203
1787	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1788	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1812		2229
1813	sub find;	2230	sub find;
1814	sub find {	2231	sub find {
1815	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1816		2233
		2234	cf::cede_to_tick;
		2235
1817	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1818		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1820		2240
1821	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";
1823	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1824	or return;	2243	or return;
1825		2244
1826	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1827		2246
…		…
1829	or return;	2248	or return;
1830		2249
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1834	$map->reset;	2255	$map->reset;
1835	undef $guard;
1836	return find $path;	2256	return find $path;
1837	}	2257	}
1838		2258
1839	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1840	}	2260	}
1841	}	2261	}
1842		2262
1843	sub pre_load { }	2263	sub pre_load { }
1844	sub post_load { }	2264	#sub post_load { } # XS
1845		2265
1846	sub load {	2266	sub load {
1847	my ($self) = @_;	2267	my ($self) = @_;
1848		2268
1849	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1850		2270
1851	my $path = $self->{path};	2271	my $path = $self->{path};
1852		2272
1853	{	2273	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1855		2275
		2276	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1857
1858	$self->in_memory (cf::MAP_LOADING);
1859		2278
1860	$self->alloc;	2279	$self->alloc;
1861		2280
1862	$self->pre_load;	2281	$self->pre_load;
1863	Coro::cede;	2282	cf::cede_to_tick;
1864		2283
1865	$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)
1866	or return;	2288	or return;
1867		2289
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1869	if delete $self->{load_original};	2291	if delete $self->{load_original};
1870		2292
1871	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2294	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2297	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1876	}	2302	}
1877	}
1878		2303
1879	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;
1880	# now do the right thing for maps	2313	# now do the right thing for maps
1881	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2316	unless $self->difficulty;
1884	Coro::cede;	2317	cf::cede_to_tick;
1885		2318
1886	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2320	$self->decay_objects;
1888	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1889	$self->update_buttons;	2322	$self->update_buttons;
1890	Coro::cede;	2323	cf::cede_to_tick;
1891	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1892	Coro::cede;
1893	$self->activate;
1894	}	2325	}
1895		2326
1896	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1898
1899	$self->in_memory (cf::MAP_IN_MEMORY);
1900	}	2329	}
1901		2330
1902	$self->post_load;	2331	$self->post_load;
1903	}
1904		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
1905	sub customise_for {	2339	sub customise_for {
1906	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1907		2341
1908	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1909	if $self->per_player;	2343	if $self->per_player;
…		…
1912	# if $self->per_party;	2346	# if $self->per_party;
1913		2347
1914	$self	2348	$self
1915	}	2349	}
1916		2350
1917	# find and load all maps in the 3x3 area around a map
1918	sub load_neighbours {
1919	my ($map) = @_;
1920
1921	my @neigh; # diagonal neighbours
1922
1923	for (0 .. 3) {
1924	my $neigh = $map->tile_path ($_)
1925	or next;
1926	$neigh = find $neigh, $map
1927	or next;
1928	$neigh->load;
1929
1930	push @neigh,
1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1933	}
1934
1935	for (grep defined $_->[0], @neigh) {
1936	my ($path, $origin) = @$_;
1937	my $neigh = find $path, $origin
1938	or next;
1939	$neigh->load;
1940	}
1941	}
1942
1943	sub find_sync {	2351	sub find_sync {
1944	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1945		2353
1946	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
1947	}	2359	}
1948		2360
1949	sub do_load_sync {	2361	sub do_load_sync {
1950	my ($map) = @_;	2362	my ($map) = @_;
1951		2363
		2364	# it's a bug to call this from the main context
1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1953	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
1954		2367
1955	cf::sync_job { $map->load };	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, $load) = @_;	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 !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1968	}	2381	}
1969		2382
1970	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
1971		2384
1972	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1973	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2390	if (my $map = find $k) {
1976	$map->load if $v;	2391	$map->load if $v;
1977	}	2392	}
…		…
1984	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1985		2400
1986	()	2401	()
1987	}	2402	}
1988		2403
		2404	# common code, used by both ->save and ->swapout
1989	sub save {	2405	sub _save {
1990	my ($self) = @_;	2406	my ($self) = @_;
1991
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;
1993		2407
1994	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1995		2409
1996	return unless $self->dirty;	2410	return unless $self->dirty;
1997		2411
…		…
2003	return if $self->{deny_save};	2417	return if $self->{deny_save};
2004		2418
2005	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2006		2420
2007	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2009	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2010		2427
2011	if ($uniq) {	2428	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2431	} else {
2015	$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);
2016	}	2433	}
2017	}	2434	}
2018		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2019	sub swap_out {	2444	sub swap_out {
2020	my ($self) = @_;	2445	my ($self) = @_;
2021		2446
2022	# save first because save cedes
2023	$self->save;
2024
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2027	return if $self->players;	2451	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;
2029	return if $self->{deny_save};
2030		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
2031	$self->clear;	2462	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2463	}
2034		2464
2035	sub reset_at {	2465	sub reset_at {
2036	my ($self) = @_;	2466	my ($self) = @_;
2037		2467
…		…
2055		2485
2056	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2057		2487
2058	return if $self->players;	2488	return if $self->players;
2059		2489
2060	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2061		2491
2062	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2063		2493
2064	# need to save uniques path	2494	# need to save uniques path
2065	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2066	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2067		2497
…		…
2069	if $uniq;	2499	if $uniq;
2070	}	2500	}
2071		2501
2072	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2073		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2506	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2507
2078	$self->unlink_save;	2508	$self->unlink_save;
2079	$self->destroy;	2509	$self->destroy;
2080	}	2510	}
2081		2511
2082	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2083		2513
2084	sub nuke {	2514	sub nuke {
2085	my ($self) = @_;	2515	my ($self) = @_;
2086		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2087	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2088		2521
2089	$self->unlink_save;	2522	$self->unlink_save;
2090		2523
2091	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2092	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2529
2097	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2098		2532
2099	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2100	}	2534	}
2101		2535
2102	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2144		2578
2145	sub unique_maps() {	2579	sub unique_maps() {
2146	[	2580	[
2147	map {	2581	map {
2148	utf8::decode $_;	2582	utf8::decode $_;
2149	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2150	? normalise $_	2586	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2588	]
2154	}	2589	}
2155		2590
2156	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	}
2157		2622
2158	=back	2623	=back
2159		2624
2160	=head3 cf::object	2625	=head3 cf::object
2161		2626
…		…
2165		2630
2166	=over 4	2631	=over 4
2167		2632
2168	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2169		2634
2170	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.
2171		2637
2172	=cut	2638	=cut
2173		2639
2174	sub inv_recursive_;	2640	sub inv_recursive_;
2175	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2178		2644
2179	sub inv_recursive {	2645	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2181	}	2647	}
2182		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
2183	package cf;	2677	package cf;
2184		2678
2185	=back	2679	=back
2186		2680
2187	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2193	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>
2194	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
2195	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2196		2690
2197	=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	};
2198		2706
2199	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2200	# with dialog boxes.	2708	# with dialog boxes.
2201	#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
2202	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2214	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2216		2724
2217	} else {	2725	} else {
2218	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2219	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2220	}	2728	}
2221	}	2729	}
2222	}	2730	}
2223		2731
2224	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2249		2757
2250	=item $player_object->enter_link	2758	=item $player_object->enter_link
2251		2759
2252	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}>).
2253		2761
2254	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.
2255	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.
2256		2766
2257	Will never block.	2767	Will never block.
2258		2768
2259	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2260		2770
…		…
2280	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2281	my ($self) = @_;	2791	my ($self) = @_;
2282		2792
2283	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2284		2794
		2795	++$self->{_link_recursion};
		2796
2285	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2286		2798
2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2288	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2289		2801
2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2291	}	2803	}
2292		2804
2293	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2294	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2295		2807
…		…
2312	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2313	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2314		2826
2315	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2316	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2317	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2318		2830
2319	$map->load;	2831	$map->load;
2320	$map->load_neighbours;
2321		2832
2322	return unless $self->contr->active;	2833	return unless $self->contr->active;
2323	$self->activate_recursive;
2324		2834
2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2326	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2327	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2328		2842
		2843	}
		2844
2329	=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)]])
2330		2846
2331	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
2332	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2333	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
2334	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
2335	be called at the end of this process.	2851	be called at the end of this process.
2336		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
2337	=cut	2856	=cut
2338		2857
2339	our $GOTOGEN;	2858	our $GOTOGEN;
2340		2859
2341	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2342	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2343		2862
		2863	if ($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
2344	# 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
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2871
2347	$self->enter_link;	2872	$self->enter_link;
2348		2873
2349	(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
2350	my $map = eval {	2896	my $map = eval {
2351	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2352		2898
2353	if ($map) {	2899	if ($map) {
2354	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2356	} else {	2902	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2904	}
2359		2905
2360	$map	2906	$map
2361	};	2907	};
2362		2908
…		…
2368	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2369	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2370	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2371	}	2917	}
2372		2918
2373	$done->() if $done;	2919	$done->($self) if $done;
2374	})->prio (1);	2920	})->prio (1);
2375	}	2921	}
2376		2922
2377	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2378		2924
…		…
2398	}	2944	}
2399		2945
2400	sub prepare_random_map {	2946	sub prepare_random_map {
2401	my ($exit) = @_;	2947	my ($exit) = @_;
2402		2948
2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
2404
2405	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2406	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2407	# that depends on the exit object	2951	# that depends on the exit object
2408		2952
2409	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2411	if ($exit->map) {	2955	if ($exit->map) {
2412	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2413	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2414	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2415	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2416	}	2962	}
2417		2963
2418	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2419		2965
2420	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2423		2969
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2426	undef $fh;	2972	undef $fh;
2427	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2428		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2429	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2430	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2431	}	2981	}
2432	}	2982	}
2433		2983
2434	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2435	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2436		2986
2437	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2438		2988
2439	if ($exit->slaying eq "/!") {
2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
2441	# the problem is that $exit might not survive long enough
2442	# so it needs to be done right now, right here
2443	cf::sync_job { prepare_random_map $exit };
2444	}
2445
2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2447	my $hp = $exit->stats->hp;
2448	my $sp = $exit->stats->sp;
2449
2450	$self->enter_link;	2989	$self->enter_link;
2451		2990
2452	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);
2455
2456	(async {	2991	(async {
2457	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2458	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
2459	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2460		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
2461	1;	3030	1
2462	}) {	3031	}) {
2463	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2464	. "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. "
2465	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2466	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2467		3036
2468	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2469	$self->leave_link;	3038	$self->leave_link;
2470	}	3039	}
2471	})->prio (1);	3040	})->prio (1);
2472	}	3041	}
2473		3042
2474	=head3 cf::client	3043	=head3 cf::client
2475		3044
2476	=over 4	3045	=over 4
2477		3046
2478	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2479		3048
2480	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2481	should not be used under normal circumstances.	3050	them as required.
2482		3051
2483	=cut	3052	=cut
2484		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2485	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2486	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2487		3058
2488	utf8::encode $text;	3059	# try lzf for large packets
2489	$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);
2490	}	3070	}
2491		3071
2492	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2493		3073
2494	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2495	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2498		3078
2499	=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" => $CHAT_CHANNEL,
		3199	);
2500		3200
2501	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2503		3203
2504	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2505		3206
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2508	if (ref $channel) {	3216	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	3220	$self->ext_msg (channel_info => $channel);
2513	}	3221	}
…		…
2515	$channel = $channel->{id};	3223	$channel = $channel->{id};
2516	}	3224	}
2517		3225
2518	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2519		3227
2520	if ($self->can_msg) {
2521	# default colour, mask it out	3228	# default colour, mask it out
2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2523	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2524		3231
2525	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2527	} else {	3235	);
2528	if ($color >= 0) {
2529	# replace some tags by gcfclient-compatible ones
2530	for ($msg) {
2531	1 while
2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2537	}
2538		3236
2539	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2540
2541	utf8::encode $msg;
2542
2543	if (0 && $msg =~ /\[/) {
2544	# COMMAND/INFO
2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
2546	} else {
2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2548	$self->send_packet ("drawinfo $color $msg")
2549	}
2550	}
2551	}
2552	}	3238	}
2553		3239
2554	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2555		3241
2556	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2558	=cut	3244	=cut
2559		3245
2560	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2561	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2562		3248
2563	if ($self->extcmd == 2) {
2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2565	} elsif ($self->extcmd == 1) { # TODO: remove
2566	push @msg, msgtype => "event_$type";
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2568	}
2569	}
2570
2571	=item $client->ext_reply ($msgid, @msg)
2572
2573	Sends an ext reply to the client.
2574
2575	=cut
2576
2577	sub cf::client::ext_reply($$@) {
2578	my ($self, $id, @msg) = @_;
2579
2580	if ($self->extcmd == 2) {
2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2582	} elsif ($self->extcmd == 1) {
2583	#TODO: version 1, remove
2584	unshift @msg, msgtype => "reply", msgid => $id;
2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2586	}
2587	}	3250	}
2588		3251
2589	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2590		3253
2591	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2611		3274
2612	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2613	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2614		3277
2615	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2616	}	3317	}
2617		3318
2618	cf::client->attach (	3319	cf::client->attach (
2619	on_connect => sub {	3320	on_connect => sub {
2620	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2646	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2647		3348
2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2649		3350
2650	if (ref $msg) {	3351	if (ref $msg) {
2651	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2652	"ARRAY" eq ref $msg
2653	? @$msg
2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2655		3353
2656	my @reply;
2657
2658	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
2659	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2660	}	3372	}
2661
2662	$ns->ext_reply ($reply, @reply)
2663	if $reply;
2664
2665	} else {	3373	} else {
2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2667	}	3375	}
2668		3376
2669	cf::override;	3377	cf::override;
2670	},	3378	},
2671	);	3379	);
…		…
2691		3399
2692	$coro	3400	$coro
2693	}	3401	}
2694		3402
2695	cf::client->attach (	3403	cf::client->attach (
2696	on_destroy => sub {	3404	on_client_destroy => sub {
2697	my ($ns) = @_;	3405	my ($ns) = @_;
2698		3406
2699	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2700	},	3408	},
2701	);	3409	);
…		…
2717	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2718		3426
2719	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2720		3428
2721	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
2722	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
2723	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
2724	sort time	3432	sort time
2725	));	3433	));
2726		3434
2727	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
2729	=pod	3437	=pod
2730		3438
2731	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2732		3440
2733	cf::object	3441	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3442	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3443	insert remove name archname title slaying race decrease split
		3444	value
2736		3445
2737	cf::object::player	3446	cf::object::player
2738	player	3447	player
2739		3448
2740	cf::player	3449	cf::player
…		…
2745		3454
2746	=cut	3455	=cut
2747		3456
2748	for (	3457	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
2751	decrease_ob_nr)],	3460	decrease split destroy change_exp value msg lore send_msg)],
2752	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2754	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2755	) {	3464	) {
2756	no strict 'refs';
2757	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2758	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2759	for @funs;	3467	for @funs;
2760	}	3468	}
2761		3469
…		…
2776		3484
2777	my $qcode = $code;	3485	my $qcode = $code;
2778	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2779	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2780		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2781	local $_;	3492	local $_;
2782	local @safe::cf::_safe_eval_args = values %vars;
2783		3493
2784	my $eval =	3494	my $eval =
2785	"do {\n"	3495	"do {\n"
2786	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2787	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2788	. $code	3498	. $code
2789	. "\n}"	3499	. "\n}"
2790	;	3500	;
2791		3501
		3502	if ($CFG{safe_eval}) {
2792	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2793	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2794	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2795		3511
2796	if ($@) {	3512	if ($@) {
2797	warn "$@";	3513	warn "$@",
2798	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2799	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2800	}	3516	}
2801		3517
2802	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2803	}	3519	}
2804		3520
…		…
2818	=cut	3534	=cut
2819		3535
2820	sub register_script_function {	3536	sub register_script_function {
2821	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2822		3538
2823	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2824	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2825	}	3541	}
2826		3542
2827	=back	3543	=back
2828		3544
2829	=cut	3545	=cut
2830		3546
2831	#############################################################################	3547	#############################################################################
2832	# the server's init and main functions	3548	# the server's init and main functions
2833		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2834	sub load_facedata($) {	3627	sub load_facedata($) {
2835	my ($path) = @_;	3628	my ($path) = @_;
2836		3629
2837	my $enc = JSON::XS->new->utf8->canonical;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3631
2839	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2840		3633
2841	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2842	0 < aio_load $path, $facedata
2843	or die "$path: $!";
2844
2845	$facedata = Coro::Storable::thaw $facedata;
2846		3635
2847	$facedata->{version} == 2	3636	$facedata->{version} == 2
2848	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2849		3638
2850	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2851	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2852	type => FT_RSRC,	3641
2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2854	};	3643
2855	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2856		3647
2857	{	3648	{
2858	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2859		3650
2860	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2862	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2866		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2867	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2868	}	3662	}
2869		3663
2870	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2872	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2873	or next;	3668	or next;
		3669
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3673	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2879	}	3675	}
2880
2881	cf::cede_to_tick;
2882	}	3676	}
2883	}	3677	}
2884		3678
2885	{	3679	{
2886	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2887		3681
2888	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2889	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2890	cf::cede_to_tick;
2891	}	3684	}
2892		3685
2893	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2894	}	3687	}
2895		3688
2896	{	3689	{
2897	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
2900		3691
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;
2906		3696
2907	if ($info->{type} & 1) {	3697	cf::face::set_type $idx, $type;
2908	# prepend meta info	3698	cf::face::set_csum $idx, 0, $info->{hash};
2909		3699	$cf::face::SIZE[0][$idx] = $info->{size};
2910	my $meta = $enc->encode ({	3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
2911	name => $name,	3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2912	%{ $info->{meta} || {} },	3702	$cf::face::HASH{$info->{hash}} = $idx;
2913	});
2914
2915	$data = pack "(w/a*)*", $meta, $info->{data};
2916	} else {	3703	} else {
2917	$data = $info->{data};	3704	# $RESOURCE{$name} = $info; # unused
2918	}	3705	}
2919
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;
2924	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}	3706	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
2944		3722
2945	1	3723	1
2946	}	3724	}
2947		3725
2948	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
…		…
2951	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3730	$ns->fx_want ($k, $v);
2953	}	3731	}
2954	};	3732	};
2955		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2956	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2957	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
2959		3765
2960	for (cf::region::list) {	3766	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3767	$_->{match} = qr/$_->{match}/
2962	if exists $_->{match};	3768	if exists $_->{match};
2963	}	3769	}
2964	}	3770	}
2965		3771
2966	sub reload_facedata {	3772	sub reload_facedata {
2967	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2968	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2969	}	3775	}
2970		3776
2971	sub reload_archetypes {	3777	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references	3780
2975	# this really needs to be done in an extra post-pass	3781	cf::face::set
2976	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2977	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2978	or die "unable to load archetypes\n";	3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
2979	}	3806	}
2980		3807
2981	sub reload_treasures {	3808	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
2984	}	3811	}
2985		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
2986	sub reload_resources {	3833	sub reload_resources {
2987	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
2988		3835
		3836	reload_materials;
		3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
		3840	reload_archetypes;
2989	reload_regions;	3841	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3842	reload_treasures;
2994		3843
2995	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
2996	}	3845	}
2997		3846
2998	sub init {	3847	sub reload_config {
2999	reload_resources;	3848	trace "reloading config file...\n";
3000	}
3001		3849
3002	sub cfg_load {	3850	my $config = load_file "$CONFDIR/config";
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3851	utf8::decode $config;
3004	or return;	3852	*CFG = decode_yaml $config;
3005		3853
3006	local $/;
3007	*CFG = YAML::Syck::Load <$fh>;
3008
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3010		3855
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3013		3858
3014	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
3018	};	3863	};
3019	warn $@ if $@;	3864	warn $@ if $@;
3020	}	3865	}
3021	}	3866	}
3022		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
3023	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
3024	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3907	$Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3909	(async {
3028	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
3030	};	3913	};
3031		3914
3032	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
3033	db_init;	3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
		3929	reload_config;
		3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
3034	load_extensions;	3939	load_extensions;
3035		3940
3036	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
3037	Event::loop;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
3038	}	3958	}
3039		3959
3040	#############################################################################	3960	#############################################################################
3041	# initialisation and cleanup	3961	# initialisation and cleanup
3042		3962
3043	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
3044	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
3053	},
3054	);	3969	};
3055	}	3970	}
3056	}	3971	}
3057		3972
3058	sub write_runtime {	3973	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";	3974	my $t0 = AE::time;
3060		3975
3061	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
3063		3978
3064	IO::AIO::aio_utime $runtime, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3065		3980
3066	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
3067		3982
3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3069	or return;	3984	or return;
3070		3985
3071	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
3072	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
3073	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
3083	aio_utime $fh, undef, undef;	3998	aio_utime $fh, undef, undef;
3084		3999
3085	close $fh	4000	close $fh
3086	or return;	4001	or return;
3087		4002
3088	aio_rename "$runtime~", $runtime	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3089	and return;	4004	and return;
3090		4005
3091	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3092		4007
3093	1	4008	1
		4009	}
		4010
		4011	our $uuid_lock;
		4012	our $uuid_skip;
		4013
		4014	sub write_uuid_sync($) {
		4015	$uuid_skip ||= $_[0];
		4016
		4017	return if $uuid_lock;
		4018	local $uuid_lock = 1;
		4019
		4020	my $uuid = "$LOCALDIR/uuid";
		4021
		4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4023	or return;
		4024
		4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
		4033	$uuid_skip = 0;
		4034
		4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4036	and return;
		4037
		4038	# always fsync - this file is important
		4039	aio_fsync $fh
		4040	and return;
		4041
		4042	close $fh
		4043	or return;
		4044
		4045	aio_rename "$uuid~", $uuid
		4046	and return;
		4047
		4048	trace "uuid file written ($value).\n";
		4049
		4050	1
		4051
		4052	}
		4053
		4054	sub write_uuid($$) {
		4055	my ($skip, $sync) = @_;
		4056
		4057	$sync ? write_uuid_sync $skip
		4058	: async { write_uuid_sync $skip };
3094	}	4059	}
3095		4060
3096	sub emergency_save() {	4061	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
3098		4063
3099	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
3100		4070
3101	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
3102	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
3103	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
3104	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
3106	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	4082	$pl->save;
3110	}	4083	}
3111	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
3112		4085
3113	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
3114	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
3115	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
3116	$map->valid or next;	4091	$map->valid or next;
3117	$map->save;	4092	$map->save;
3118	}	4093	}
3119	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
3120		4095
3121	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
		4101
		4102	info "emergency_perl_save: begin write uuid\n";
		4103	write_uuid_sync 1;
		4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
3124	};	4124	};
3125		4125
3126	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
3127	}	4127	}
3128		4128
3129	sub post_cleanup {	4129	sub post_cleanup {
3130	my ($make_core) = @_;	4130	my ($make_core) = @_;
3131		4131
		4132	IO::AIO::flush;
		4133
3132	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
3133	if $make_core;	4135	if $make_core;
		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
3134	}	4164	}
3135		4165
3136	sub do_reload_perl() {	4166	sub do_reload_perl() {
3137	# can/must only be called in main	4167	# can/must only be called in main
3138	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
3139	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
3140	return;	4170	return;
3141	}	4171	}
3142		4172
3143	warn "reloading...";	4173	return if $RELOAD++;
3144		4174
3145	warn "entering sync_job";	4175	my $t1 = AE::time;
3146		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
3147	cf::sync_job {	4183	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark
3149	cf::emergency_save;	4184	#cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark
3151		4185
3152	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;
3154
3155	# if anything goes wrong in here, we should simply crash as we already saved
3156
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161
3162	warn "flushing outstanding aio requests";
3163	for (;;) {
3164	BDB::flush;
3165	IO::AIO::flush;
3166	Coro::cede;
3167	last unless IO::AIO::nreqs || BDB::nreqs;
3168	warn "iterate...";
3169	}
3170
3171	++$RELOAD;
3172
3173	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
3174	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
3175	%EXT_CORO = ();	4188	%EXT_CORO = ();
3176		4189
3177	warn "removing commands";	4190	trace "perl_reload: removing commands";
3178	%COMMAND = ();	4191	%COMMAND = ();
3179		4192
3180	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
3181	%EXTCMD = ();	4194	%EXTCMD = ();
3182	%EXTICMD = ();	4195	%EXTICMD = ();
3183		4196
3184	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
3185	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
3186	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
3187		4200
3188	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
3189	eval {	4202	eval {
3190	$cb->($pkg);	4203	$cb->($pkg);
3191	1	4204	1
3192	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
3193	}	4210	}
3194		4211
3195	warn "... nuking $pkg";
3196	Symbol::delete_package $pkg;
3197	}
3198
3199	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3200	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
3201	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3202		4215
3203	warn "... unloading $k";	4216	trace "... unloading $k";
3204	delete $INC{$k};	4217	delete $INC{$k};
3205		4218
3206	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
3207	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
3208		4221
3209	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
3210	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
3211	}	4227	}
3212		4228
3213	Symbol::delete_package $k;
3214	}
3215
3216	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
3217	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3219		4232
3220	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
3221	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
3222	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3223		4236
3224	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
3225	# and global variables created in xs	4238	# and global variables created in xs
3226	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
3227		4240
3228	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
3229		4242
3230	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
3231	require cf;	4244	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
3233		4246
3234	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
3235	cf::cfg_load;	4248	cf::reload_config;
3236		4249
3237	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
3238	cf::load_extensions;	4251	cf::load_extensions;
3239		4252
		4253	if ($REATTACH_ON_RELOAD) {
3240	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3241	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3242	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3243	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3244	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3245	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3246		4261
3247	warn "leaving sync_job";	4262	cf::_post_init 1;
3248		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
3249	1	4266	1
3250	} or do {	4267	} or do {
3251	warn $@;	4268	error $@;
3252	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
3253	exit 1;	4270	};
		4271
		4272	--$RELOAD;
3254	};	4273	}
3255		4274
3256	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3257	};	4277	};
3258		4278
3259	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3260		4280
3261	sub reload_perl() {	4281	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3264		4284
3265	$RELOAD_WATCHER ||= Event->timer (	4285	$RELOAD_WATCHER ||= cf::async {
3266	reentrant => 0,	4286	Coro::AIO::aio_wait cache_extensions;
3267	after => 0,	4287
3268	data => WF_AUTOCANCEL,	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3269	cb => sub {
3270	do_reload_perl;	4289	do_reload_perl;
3271	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
3272	},	4291	};
3273	);	4292	};
3274	}	4293	}
3275		4294
3276	register_command "reload" => sub {	4295	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
3278		4297
3279	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
		4300	async {
		4301	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	4302	reload_perl;
		4303	};
3282	}	4304	}
3283	};	4305	};
3284		4306
3285	unshift @INC, $LIBDIR;	4307	#############################################################################
3286		4308
3287	my $bug_warning = 0;	4309	my $bug_warning = 0;
3288		4310
3289	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;
3291
3292	sub wait_for_tick {	4311	sub wait_for_tick() {
3293	return unless $TICK_WATCHER->is_active;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3294	return if $Coro::current == $Coro::main;
3295		4313
3296	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3297	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;
3299	}	4315	}
3300		4316
3301	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3302	return unless $TICK_WATCHER->is_active;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3303	return if $Coro::current == $Coro::main;
3304		4319
3305	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	4322	$signal->wait;
3308	}	4323	}
3309		4324
3310	my $min = 1e6;#d#	4325	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3322	return;	4329	return;
3323	}	4330	}
3324		4331
3325	$NOW = $tick_start = Event::time;	4332	cf::one_tick; # one server iteration
3326		4333
3327	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3328		4335
3329	0 && sync_job {#d#	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330	for(1..10) {	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331	my $t = Event::time;	4338	Coro::async_pool {
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4339	$Coro::current->{desc} = "runtime saver";
3333	or die;	4340	write_runtime_sync
3334		4341	or error "ERROR: unable to write runtime file: $!";
3335	$map->width (50);
3336	$map->height (50);
3337	$map->alloc;
3338	$map->_load_objects ("/tmp/x.map", 1);
3339	my $t = Event::time - $t;
3340
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	4342	};
		4343	}
3351		4344
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	4346	$sig->send;
3368	}	4347	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3370	$sig->send;
3371	}
3372		4349
3373	$NOW = Event::time;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		4352
3384	_post_tick;	4353	if (0) {
3385		4354	if ($NEXT_TICK) {
3386		4355	my $jitter = $TICK_START - $NEXT_TICK;
		4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4357	debug "jitter $JITTER\n";#d#
		4358	}
3387	},	4359	}
3388	);	4360	}
3389		4361
3390	{	4362	{
3391	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
3393	reentrant => 0,	4365
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3401		4367	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		4369
3417	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
		4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		4377
3420	cf::sync_job {	4378	cf::sync_job {
3421	eval {	4379	eval {
3422	BDB::db_env_open	4380	BDB::db_env_open
3423	$DB_ENV,	4381	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	4385	0666;
3428		4386
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	4388	};
3434		4389
3435	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	4391	};
3437	}	4392	}
		4393
		4394	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4395	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4396	};
		4397	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4399	};
		4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4402	};
		4403
		4404	info "database initialised";
3438	}	4405	}
3439		4406
3440	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
3441	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
3446	reentrant => 0,	4414	info "aio initialised";
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	4415	}
3454		4416
3455	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3456		4419
3457	sub _log_backtrace {	4420	sub _log_backtrace {
3458	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3459		4422
3460	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3461		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3462	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3464	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3465	async {	4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
3466	my @bt = fork_call {	4436	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	4440	or die "addr2line: $!";
…		…
3478	}	4448	}
3479		4449
3480	@funcs	4450	@funcs
3481	};	4451	};
3482		4452
3483	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3484	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3485	--$_log_backtrace;	4456	--$_log_backtrace;
3486	};	4457	};
3487	} else {	4458	} else {
3488	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3489	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3490	}	4461	}
3491	}	4462	}
3492		4463
3493	# load additional modules	4464	# load additional modules
3494	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3495		4467
3496	END { cf::emergency_save }	4468	END { cf::emergency_save }
3497		4469
3498	1	4470	1
3499		4471

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