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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
34		67
35	# configure various modules to our taste	68	# configure various modules to our taste
36	#	69	#
37	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		78
41	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
42		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		81
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
49		85
50	our %COMMAND = ();	86	our %COMMAND = ();
51	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
52		88
53	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
58		96
59	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
63	our $DATADIR = datadir;	104	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
67	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
73		125
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
79	our $NOW;	144	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		145
82	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
93		149
94	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		152
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
100		165
101	binmode STDOUT;	166	binmode STDOUT;
102	binmode STDERR;	167	binmode STDERR;
103		168
104	# read virtual server time, if available	169	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
109	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
110		177
111	mkdir $_	178	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		180
114	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
115		182
116	sub cf::map::normalise;	183	sub cf::map::normalise;
117		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
118	#############################################################################	189	#############################################################################
119		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
120	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
121		203
122	=over 4	204	=over 4
123		205
124	=item $cf::UPTIME	206	=item $cf::UPTIME
125		207
126	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
127		224
128	=item $cf::RUNTIME	225	=item $cf::RUNTIME
129		226
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	228	every server tick.
132		229
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		233
137	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
140	database environment.	237	database environment.
141		238
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	239	=item $cf::LOADAVG
151		240
152	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
157		246
158	The raw value load value from the last tick.	247	The raw value load value from the last tick.
159		248
160	=item %cf::CFG	249	=item %cf::CFG
161		250
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	252	from wherever your confdir points to.
164		253
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		255
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
170		289
171	=back	290	=back
172		291
173	=cut	292	=cut
174		293
175	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	301	my $msg = join "", @_;
178		302
179	$msg .= "\n"	303	$msg .= "\n"
180	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
181		305
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		307
184	utf8::encode $msg;
185	LOG llevError, $msg;	308	LOG llevWarn, $msg;
186	};	309	};
187	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
188		324
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	335	for my $pkg (qw(
200	cf::global cf::attachable	336	cf::global cf::attachable
201	cf::object cf::object::player	337	cf::object cf::object::player
202	cf::client cf::player	338	cf::client cf::player
203	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
204	cf::map cf::party cf::region	341	cf::party cf::region
205	)) {	342	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	344	}
209		345
210	$Event::DIED = sub {	346	$EV::DIED = sub {
211	warn "error in event callback: @_";	347	warn "error in event callback: $@";
212	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
213		354
214	#############################################################################	355	#############################################################################
215		356
216	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
217		358
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	380	$d
240	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
241	}	382	}
242		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
251	=cut	444	=cut
252		445
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		447
255	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
257		512
258	=item cf::lock_wait $string	513	=item cf::lock_wait $string
259		514
260	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
261		516
262	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
263		518
264	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
267	returned.	522	returned.
268		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
269	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
271		529
272	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
273		531
274	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
275		533
276	=cut	534	=cut
277		535
278	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
279		537
280	sub lock_wait($) {	538	sub lock_wait($) {
281	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	540	}
289		541
290	sub lock_acquire($) {	542	sub lock_acquire($) {
291	my ($key) = @_;	543	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	544	}
303		545
304	sub lock_active($) {	546	sub lock_active($) {
305	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	548	}
309		549
310	sub freeze_mainloop {	550	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
312		552
313	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
318	}	639	}
319		640
320	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
321		642
322	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		648
328	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
329		650
330	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
331		652
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	656	acceptable.
336		657
337	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	663	=cut
343		664
344	sub sync_job(&) {	665	sub sync_job(&) {
345	my ($job) = @_;	666	my ($job) = @_;
346		667
347	if ($Coro::current == $Coro::main) {	668	if (in_main) {
348	my $time = Event::time;	669	my $time = AE::time;
349		670
350	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
352		673
353	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	675
355	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
356		677
357	my $busy = 1;	678	my $busy = 1;
358	my @res;	679	my @res;
359		680
360	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	683	@res = eval { $job->() };
362	warn $@ if $@;	684	error $@ if $@;
363	undef $busy;	685	undef $busy;
364	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
365		687
366	while ($busy) {	688	while ($busy) {
367	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
368	}	693	}
		694	}
369		695
370	$time = Event::time - $time;	696	my $time = AE::time - $time;
371		697
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
376		699
377	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
378	} else {	701	} else {
379	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
380		703
…		…
400	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
401		724
402	$coro	725	$coro
403	}	726	}
404		727
405	=item fork_call { }, $args	728	=item fork_call { }, @args
406		729
407	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
411		734
412	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
413		740
414	sub fork_call(&@) {	741	sub fork_call(&@) {
415	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
416		743
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	my @res = Coro::Util::fork_eval {
418	# or die "socketpair: $!";	745	cf::post_fork;
419	pipe my $fh1, my $fh2	746	&$cb
420	or die "pipe: $!";	747	} @args;
421		748
422	if (my $pid = fork) {	749	wantarray ? @res : $res[-1]
423	close $fh2;	750	}
424		751
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	sub objinfo {
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
447	}	788	}
448		789
449	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
450		791
451	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
454		795
455	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
458	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
459		825
460	our $DB;	826	our $DB;
461		827
462	sub db_init {	828	sub db_init {
463	unless ($DB) {	829	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	830	}
478		831
479	sub db_get($$) {	832	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
481		834
482	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
483	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
484		839
485	$! ? ()	840	$! ? ()
486	: $data	841	: $data
487	}
488	}	842	}
489		843
490	sub db_put($$$) {	844	sub db_put($$$) {
491	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		874
521	my @data;	875	my @data;
522	my $md5;	876	my $md5;
523		877
524	for (0 .. $#$src) {	878	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	880	}
528		881
529	# if processing is expensive, check	882	# if processing is expensive, check
530	# checksum first	883	# checksum first
531	if (1) {	884	if (1) {
532	$md5 =	885	$md5 =
533	join "\x00",	886	join "\x00",
534	$processversion,	887	$processversion,
535	map {	888	map {
536	Coro::cede;	889	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	891	} 0.. $#$src;
539		892
540		893
541	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		897
545	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
546	}	899	}
547	}	900	}
548		901
549	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
550	my $data = $process->(\@data);	903	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
552		905
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		907
555	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
558		911
…		…
568		921
569	=cut	922	=cut
570		923
571	sub datalog($@) {	924	sub datalog($@) {
572	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	927	}
575		928
576	=back	929	=back
577		930
578	=cut	931	=cut
579		932
580	#############################################################################	933	#############################################################################
581		934
582	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
583		936
584	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
587		940
588	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	943	Deliantra).
591		944
592	=over 4	945	=over 4
593		946
594	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
595		948
…		…
639	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
640		993
641	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
643		996
644	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
646		999
647	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
648		1001
649	=over 4	1002	=over 4
…		…
773		1126
774	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1129
777	} elsif (ref $type) {	1130	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
779		1132
780	} else {	1133	} else {
781	shift @arg;	1134	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
783	}	1136	}
784	}	1137	}
785	}	1138	}
786		1139
787	sub _object_attach {	1140	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
798	}	1151	}
799		1152
800	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
801	} else {	1154	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1156	}
804		1157
805	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
806	}	1159	}
807		1160
…		…
847	";	1200	";
848	die if $@;	1201	die if $@;
849	}	1202	}
850		1203
851	our $override;	1204	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1206
854	sub override {	1207	sub override {
855	$override = 1;	1208	$override = 1;
856	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
857	}	1210	}
858		1211
859	sub do_invoke {	1212	sub do_invoke {
860	my $event = shift;	1213	my $event = shift;
861	my $callbacks = shift;	1214	my $callbacks = shift;
862		1215
863	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
864		1217
865	local $override;	1218	local $override;
866		1219
867	for (@$callbacks) {	1220	for (@$callbacks) {
868	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
869		1222
870	if ($@) {	1223	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1225	override;
874	}	1226	}
875		1227
876	return 1 if $override;	1228	return 1 if $override;
877	}	1229	}
878		1230
879	0	1231	0
880	}	1232	}
881		1233
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1235
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1237
886	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
887		1239
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1243
892	=back	1244	=back
893		1245
894	=cut	1246	=cut
895		1247
896	#############################################################################	1248	#############################################################################
897	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
898		1292
899	sub reattach {	1293	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1295	my ($obj) = @_;
902		1296
		1297	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1299
905	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
906		1301
907	@$registry = ();	1302	@$registry = ();
908		1303
…		…
913	for (@$attach) {	1308	for (@$attach) {
914	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
916	}	1311	}
917	} else {	1312	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1314	}
920	}	1315	}
921	}	1316	}
922		1317
923	cf::attachable->attach (	1318	cf::attachable->attach (
924	prio => -1000000,	1319	prio => -1000000,
925	on_instantiate => sub {	1320	on_instantiate => sub {
926	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
927		1322
928	$data = from_json $data;	1323	$data = decode_json $data;
929		1324
930	for (@$data) {	1325	for (@$data) {
931	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
932		1327
933	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1344	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
951		1346
952	sync_job {	1347	sync_job {
953	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
956		1353
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
961	close $fh;	1361	aio_close $fh;
962		1362
963	if (@$objs) {	1363	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
969	close $fh;	1372	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
971	}	1374	}
972	} else {	1375	} else {
973	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
974	}	1377	}
975		1378
976	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1383	} else {
978	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
979	}	1385	}
980	} else {	1386	} else {
981	aio_unlink $filename;	1387	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
983	}	1389	}
984	}	1390	};
985	}	1391	}
986		1392
987	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
989		1395
…		…
1001	or return;	1407	or return;
1002		1408
1003	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1411	or return;
		1412
1006	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1007	}	1415	}
1008		1416
		1417	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1011	return ($data, $av);	1422	($data, $av)
1012	}	1423	}
1013		1424
1014	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1015		1426
1016	=over 4	1427	=over 4
…		…
1018	=cut	1429	=cut
1019		1430
1020	#############################################################################	1431	#############################################################################
1021	# command handling &c	1432	# command handling &c
1022		1433
1023	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1024		1435
1025	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1026	$name.	1437	$name.
1027		1438
1028	=cut	1439	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1035		1446
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1448	}
1038		1449
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1451
1041	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1456	has logged in successfully.
1046		1457
1047	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1048	called.
1049		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1466
1052	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1471	log-in.
1057		1472
1058	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1059	called.
1060		1474
1061	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1063	sub register_extcmd {	1482	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1065		1484
1066	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1067	}	1486	}
1068		1487
1069	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1071		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1072	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1073	}	1498	}
1074		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1075	cf::player->attach (	1508	cf::player->attach (
1076	on_command => sub {	1509	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1078		1511
1079	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1080	or return;	1513	or return;
1081		1514
…		…
1089	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1090		1523
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1525
1093	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
1097	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1098	}	1547	}
		1548
1099	} else {	1549	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1551	}
1102		1552
1103	cf::override;	1553	cf::override;
1104	},	1554	},
1105	);	1555	);
1106		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1107	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1108	cf::sync_job {	1586	cf::sync_job {
1109	my %todo;	1587	my %todo;
1110		1588
1111	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1590	next unless -r $path;
…		…
1130		1608
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1611
1134	$ext{source} =	1612	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1137	. $source	1615	. $source
1138	. "\n};\n1";	1616	. "\n};\n1";
1139		1617
1140	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1141	}	1619	}
1142		1620
		1621	my $pass = 0;
1143	my %done;	1622	my %done;
1144	while (%todo) {	1623	while (%todo) {
1145	my $progress;	1624	my $progress;
1146		1625
		1626	++$pass;
		1627
		1628	ext:
1147	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1631	next ext
1150	unless exists $done{$_};	1632	unless exists $done{$_};
1151	}	1633	}
1152		1634
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1636
1155	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1160	warn $msg;	1653
1161	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1655	delete $todo{$k};
1163	}	1656	} else {
1164		1657	$done{$k} = delete $todo{$k};
1165	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1166	}	1663	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1664	}
1172		1665
1173	skip:	1666	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1176	}	1676	}
1177	};	1677	};
1178	}	1678	}
1179		1679
1180	#############################################################################	1680	#############################################################################
1181		1681
1182	=back	1682	=back
1183		1683
1184	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1185		1685
1186	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1187		1687
1188	=cut	1688	=cut
1189		1689
1190	package cf::player;	1690	package cf::player;
1191		1691
1192	use Coro::AIO;	1692	use Coro::AIO;
1193		1693
1194	=head3 cf::player	1694	=head3 cf::player
1195		1695
1196	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1197		1711
1198	=item cf::player::find $login	1712	=item cf::player::find $login
1199		1713
1200	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1201		1715
…		…
1220		1734
1221	sub exists($) {	1735	sub exists($) {
1222	my ($login) = @_;	1736	my ($login) = @_;
1223		1737
1224	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1226	}	1740	}
1227		1741
1228	sub find($) {	1742	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1744	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1755
1242	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1245	}	1765	}
1246	}	1766	}
1247	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1248		1781
1249	sub save($) {	1782	sub save($) {
1250	my ($pl) = @_;	1783	my ($pl) = @_;
1251		1784
1252	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1258		1791
1259	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1261		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1262	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1263	Coro::cede;	1801	cf::cede_to_tick;
1264	}	1802	}
1265		1803
1266	sub new($) {	1804	sub new($) {
1267	my ($login) = @_;	1805	my ($login) = @_;
1268		1806
…		…
1274	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1275		1813
1276	$self	1814	$self
1277	}	1815	}
1278		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1279	=item $pl->quit_character	1827	=item $pl->quit_character
1280		1828
1281	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1283		1831
…		…
1287	my ($pl) = @_;	1835	my ($pl) = @_;
1288		1836
1289	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1290		1838
1291	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1841
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1297	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1298		1850
1299	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1336	or return [];	1888	or return [];
1337		1889
1338	my @logins;	1890	my @logins;
1339		1891
1340	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1344		1902
1345	utf8::decode $login;	1903	utf8::decode $login;
1346	push @logins, $login;	1904	push @logins, $login;
1347	}	1905	}
1348		1906
1349	\@logins	1907	\@logins
1350	}	1908	}
1351		1909
1352	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1353		1913
1354	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1355	player. May block.	1915	player. May block.
1356		1916
1357	=cut	1917	=cut
…		…
1375	}	1935	}
1376		1936
1377	\@paths	1937	\@paths
1378	}	1938	}
1379		1939
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1941
1382	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1383		1943
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}
1426	}
1427
1428	=item $player->ext_reply ($msgid, %msg)
1429
1430	Sends an ext reply to the player.
1431
1432	=cut
1433
1434	sub ext_reply($$%) {
1435	my ($self, $id, %msg) = @_;
1436
1437	$msg{msgid} = $id;
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}
1440
1441	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1442		1945
1443	Sends an ext event to the client.	1946	Sends an ext event to the client.
1444		1947
1445	=cut	1948	=cut
1446		1949
1447	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1449		1952
1450	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1451	}	1954	}
1452		1955
1453	=head3 cf::region	1956	=head3 cf::region
1454		1957
1455	=over 4	1958	=over 4
…		…
1465	=cut	1968	=cut
1466		1969
1467	sub find_by_path($) {	1970	sub find_by_path($) {
1468	my ($path) = @_;	1971	my ($path) = @_;
1469		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1470	my ($match, $specificity);	1975	my ($match, $specificity);
1471		1976
1472	for my $region (list) {	1977	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1476	}	1981	}
1477	}	1982	}
1478		1983
…		…
1499	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1500	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1501		2006
1502	sub generate_random_map {	2007	sub generate_random_map {
1503	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1504	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1505	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1506	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1507	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1508	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1509	$rmp->{exit_on_final_map},
1510	$rmp->{xsize}, $rmp->{ysize},
1511	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1512	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1513	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1514	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1515	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1516	(cf::region::find $rmp->{region}), $rmp->{custom}
1517	)
1518	}	2013	}
1519		2014
1520	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1521		2016
1522	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
…		…
1527		2022
1528	sub register {	2023	sub register {
1529	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1530	my $pkg = caller;	2025	my $pkg = caller;
1531		2026
1532	no strict;
1533	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1534		2028
1535	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1536	}	2030	}
1537		2031
1538	# also paths starting with '/'	2032	# also paths starting with '/'
1539	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1540		2034
1541	sub thawer_merge {	2035	sub thawer_merge {
1542	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1543		2037
1544	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1549	}	2043	}
1550		2044
1551	sub normalise {	2045	sub normalise {
1552	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1553		2047
1554	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1555		2049
1556	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1557		2051
1558	# map plan:	2052	# map plan:
1559	#	2053	#
…		…
1574	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1575	$path = "$base/$path";	2069	$path = "$base/$path";
1576	}	2070	}
1577		2071
1578	for ($path) {	2072	for ($path) {
1579	redo if s{//}{/};
1580	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1581	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1582	}	2075	}
1583		2076
1584	$path	2077	$path
…		…
1598	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1599	return $self;	2092	return $self;
1600	}	2093	}
1601	}	2094	}
1602		2095
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1604	()	2097	()
1605	}	2098	}
1606		2099
		2100	# may re-bless or do other evil things
1607	sub init {	2101	sub init {
1608	my ($self) = @_;	2102	my ($self) = @_;
1609		2103
1610	$self	2104	$self
1611	}	2105	}
…		…
1630		2124
1631	# the temporary/swap location	2125	# the temporary/swap location
1632	sub save_path {	2126	sub save_path {
1633	my ($self) = @_;	2127	my ($self) = @_;
1634		2128
1635	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1636	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1637	}	2131	}
1638		2132
1639	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1640	sub uniq_path {	2134	sub uniq_path {
1641	my ($self) = @_;	2135	my ($self) = @_;
1642		2136
1643	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1644	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1645	}
1646
1647	# and all this just because we cannot iterate over
1648	# all maps in C++...
1649	sub change_all_map_light {
1650	my ($change) = @_;
1651
1652	$_->change_map_light ($change)
1653	for grep $_->outdoor, values %cf::MAP;
1654	}	2139	}
1655		2140
1656	sub decay_objects {	2141	sub decay_objects {
1657	my ($self) = @_;	2142	my ($self) = @_;
1658		2143
…		…
1671		2156
1672	sub load_header_from($) {	2157	sub load_header_from($) {
1673	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1674		2159
1675	utf8::encode $path;	2160	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	2162	or return;
1681		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1682	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1683		2171
1684	1	2172	1
1685	}	2173	}
1686		2174
		2175	# used to laod the header of an original map
1687	sub load_header_orig {	2176	sub load_header_orig {
1688	my ($self) = @_;	2177	my ($self) = @_;
1689		2178
1690	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1691	}	2180	}
1692		2181
		2182	# used to laod the header of an instantiated map
1693	sub load_header_temp {	2183	sub load_header_temp {
1694	my ($self) = @_;	2184	my ($self) = @_;
1695		2185
1696	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1697	}	2187	}
1698		2188
		2189	# called after loading the header from an instantiated map
1699	sub prepare_temp {	2190	sub prepare_temp {
1700	my ($self) = @_;	2191	my ($self) = @_;
1701		2192
1702	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1703	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1704	# safety	2195	# safety
1705	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1706	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1707	}	2198	}
1708		2199
		2200	# called after loading the header from an original map
1709	sub prepare_orig {	2201	sub prepare_orig {
1710	my ($self) = @_;	2202	my ($self) = @_;
1711		2203
1712	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1713	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1737		2229
1738	sub find;	2230	sub find;
1739	sub find {	2231	sub find {
1740	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1741		2233
		2234	cf::cede_to_tick;
		2235
1742	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1743		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1745		2240
1746	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";
1748	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1749	or return;	2243	or return;
1750		2244
1751	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1752		2246
…		…
1754	or return;	2248	or return;
1755		2249
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1759	$map->reset;	2255	$map->reset;
1760	undef $guard;
1761	return find $path;	2256	return find $path;
1762	}	2257	}
1763		2258
1764	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1765	}	2260	}
1766	}	2261	}
1767		2262
1768	sub pre_load { }	2263	sub pre_load { }
1769	sub post_load { }	2264	#sub post_load { } # XS
1770		2265
1771	sub load {	2266	sub load {
1772	my ($self) = @_;	2267	my ($self) = @_;
1773		2268
1774	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1775		2270
1776	my $path = $self->{path};	2271	my $path = $self->{path};
1777		2272
1778	{	2273	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1780		2275
		2276	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1782
1783	$self->in_memory (cf::MAP_LOADING);
1784		2278
1785	$self->alloc;	2279	$self->alloc;
1786		2280
1787	$self->pre_load;	2281	$self->pre_load;
1788	Coro::cede;	2282	cf::cede_to_tick;
1789		2283
1790	$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)
1791	or return;	2288	or return;
1792		2289
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1794	if delete $self->{load_original};	2291	if delete $self->{load_original};
1795		2292
1796	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2294	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2297	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1801	}	2302	}
1802	}
1803		2303
1804	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;
1805	# now do the right thing for maps	2313	# now do the right thing for maps
1806	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2316	unless $self->difficulty;
1809	Coro::cede;	2317	cf::cede_to_tick;
1810		2318
1811	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2320	$self->decay_objects;
1813	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1814	$self->update_buttons;	2322	$self->update_buttons;
1815	Coro::cede;	2323	cf::cede_to_tick;
1816	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1817	Coro::cede;
1818	$self->activate;
1819	}	2325	}
1820		2326
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1822	}	2329	}
1823		2330
1824	$self->post_load;	2331	$self->post_load;
1825	}
1826		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
1827	sub customise_for {	2339	sub customise_for {
1828	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1829		2341
1830	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1831	if $self->per_player;	2343	if $self->per_player;
…		…
1834	# if $self->per_party;	2346	# if $self->per_party;
1835		2347
1836	$self	2348	$self
1837	}	2349	}
1838		2350
1839	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {
1841	my ($map) = @_;
1842
1843	my @diag; # diagonal neighbours
1844
1845	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)
1847	or next;
1848	$neigh = find $neigh, $map
1849	or next;
1850	$neigh->load;
1851
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}
1855
1856	for (@diag) {
1857	my $neigh = find @$_
1858	or next;
1859	$neigh->load;
1860	}
1861	}
1862
1863	sub find_sync {	2351	sub find_sync {
1864	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1865		2353
1866	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
1867	}	2359	}
1868		2360
1869	sub do_load_sync {	2361	sub do_load_sync {
1870	my ($map) = @_;	2362	my ($map) = @_;
1871		2363
1872	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1873	}	2369	}
1874		2370
1875	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1877		2373
1878	sub find_async {	2374	sub find_async {
1879	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1880		2376
1881	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1882		2378
1883	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1885	}	2381	}
1886		2382
1887	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1888	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1889	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2390	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2391	$map->load if $v;
		2392	}
1894		2393
1895	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1896	}	2395	}
1897	}	2396	}
1898	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1899	};	2398	};
1900	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1901		2400
1902	()	2401	()
1903	}	2402	}
1904		2403
		2404	# common code, used by both ->save and ->swapout
1905	sub save {	2405	sub _save {
1906	my ($self) = @_;	2406	my ($self) = @_;
1907
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;
1909		2407
1910	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1911		2409
1912	return unless $self->dirty;	2410	return unless $self->dirty;
1913		2411
…		…
1919	return if $self->{deny_save};	2417	return if $self->{deny_save};
1920		2418
1921	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1922		2420
1923	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1925	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1926		2427
1927	if ($uniq) {	2428	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1929	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1930	} else {	2431	} else {
1931	$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);
1932	}	2433	}
1933	}	2434	}
1934		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1935	sub swap_out {	2444	sub swap_out {
1936	my ($self) = @_;	2445	my ($self) = @_;
1937		2446
1938	# save first because save cedes
1939	$self->save;
1940
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1943	return if $self->players;	2451	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};
1946		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
1947	$self->clear;	2462	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2463	}
1950		2464
1951	sub reset_at {	2465	sub reset_at {
1952	my ($self) = @_;	2466	my ($self) = @_;
1953		2467
…		…
1971		2485
1972	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1973		2487
1974	return if $self->players;	2488	return if $self->players;
1975		2489
1976	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1977		2491
1978	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1979		2493
1980	# need to save uniques path	2494	# need to save uniques path
1981	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1982	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1983		2497
…		…
1985	if $uniq;	2499	if $uniq;
1986	}	2500	}
1987		2501
1988	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1989		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2506	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2507
1994	$self->unlink_save;	2508	$self->unlink_save;
1995	$self->destroy;	2509	$self->destroy;
1996	}	2510	}
1997		2511
1998	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1999		2513
2000	sub nuke {	2514	sub nuke {
2001	my ($self) = @_;	2515	my ($self) = @_;
2002		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2003	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2004		2521
2005	$self->unlink_save;	2522	$self->unlink_save;
2006		2523
2007	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2008	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2529
2013	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2014		2532
2015	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2016	}	2534	}
2017		2535
2018	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2060		2578
2061	sub unique_maps() {	2579	sub unique_maps() {
2062	[	2580	[
2063	map {	2581	map {
2064	utf8::decode $_;	2582	utf8::decode $_;
2065	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2066	? normalise $_	2586	: normalise $_
2067	: ()
2068	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2069	]	2588	]
2070	}	2589	}
2071		2590
2072	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	}
2073		2622
2074	=back	2623	=back
2075		2624
2076	=head3 cf::object	2625	=head3 cf::object
2077		2626
…		…
2081		2630
2082	=over 4	2631	=over 4
2083		2632
2084	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2085		2634
2086	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.
2087		2637
2088	=cut	2638	=cut
2089		2639
2090	sub inv_recursive_;	2640	sub inv_recursive_;
2091	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2094		2644
2095	sub inv_recursive {	2645	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2097	}	2647	}
2098		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
2099	package cf;	2677	package cf;
2100		2678
2101	=back	2679	=back
2102		2680
2103	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2109	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>
2110	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
2111	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2112		2690
2113	=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	};
2114		2706
2115	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2116	# with dialog boxes.	2708	# with dialog boxes.
2117	#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
2118	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2125		2717
2126	} else {	2718	} else {
2127	my $pl = $self->contr;	2719	my $pl = $self->contr;
2128		2720
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2724
2138	} else {	2725	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2141	}	2728	}
2142	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2143	}	2740	}
2144		2741
2145	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2146		2743
2147	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
2160		2757
2161	=item $player_object->enter_link	2758	=item $player_object->enter_link
2162		2759
2163	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}>).
2164		2761
2165	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.
2166	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.
2167		2766
2168	Will never block.	2767	Will never block.
2169		2768
2170	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2171		2770
…		…
2191	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2192	my ($self) = @_;	2791	my ($self) = @_;
2193		2792
2194	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2195		2794
		2795	++$self->{_link_recursion};
		2796
2196	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2197		2798
2198	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2199	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2200		2801
2201	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2202	}	2803	}
2203		2804
2204	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2205	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2206		2807
…		…
2223	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2224	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2225		2826
2226	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2229		2830
2230	$map->load;	2831	$map->load;
2231	$map->load_diag;
2232		2832
2233	return unless $self->contr->active;	2833	return unless $self->contr->active;
2234	$self->activate_recursive;
2235		2834
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2238	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2239		2842
		2843	}
		2844
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2241		2846
2242	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
2243	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2244	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
2245	the new (success) or old (failed) map position.	2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
2246		2855
2247	=cut	2856	=cut
2248		2857
2249	our $GOTOGEN;	2858	our $GOTOGEN;
2250		2859
2251	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2253		2868
2254	# 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
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2871
2257	$self->enter_link;	2872	$self->enter_link;
2258		2873
2259	(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
2260	my $map = eval {	2896	my $map = eval {
2261	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2262		2898
2263	if ($map) {	2899	if ($map) {
2264	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2266	} else {	2902	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2904	}
2269		2905
2270	$map	2906	$map
2271	};	2907	};
2272		2908
…		…
2277		2913
2278	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2281	}	2917	}
		2918
		2919	$done->($self) if $done;
2282	})->prio (1);	2920	})->prio (1);
2283	}	2921	}
2284		2922
2285	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2286		2924
…		…
2306	}	2944	}
2307		2945
2308	sub prepare_random_map {	2946	sub prepare_random_map {
2309	my ($exit) = @_;	2947	my ($exit) = @_;
2310		2948
2311	my $guard = cf::lock_acquire "exit_prepare:$exit";
2312
2313	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2314	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2315	# that depends on the exit object	2951	# that depends on the exit object
2316		2952
2317	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2319	if ($exit->map) {	2955	if ($exit->map) {
2320	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2321	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2322	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2323	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2324	}	2962	}
2325		2963
2326	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2327		2965
2328	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2329	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2330	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2331		2969
2332	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2333	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2334	undef $fh;	2972	undef $fh;
2335	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2336		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2337	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2338	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2339	}	2981	}
2340	}	2982	}
2341		2983
2342	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2343	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2344		2986
2345	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2346		2988
2347	if ($exit->slaying eq "/!") {
2348	#TODO: this should de-fi-ni-te-ly not be a sync-job
2349	# the problem is that $exit might not survive long enough
2350	# so it needs to be done right now, right here
2351	cf::sync_job { prepare_random_map $exit };
2352	}
2353
2354	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2355	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;
2357
2358	$self->enter_link;	2989	$self->enter_link;
2359		2990
2360	(async {	2991	(async {
2361	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2362	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
2363	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2364		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
2365	1;	3030	1
2366	}) {	3031	}) {
2367	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2368	. "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. "
2369	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2370	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2371		3036
2372	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2373	$self->leave_link;	3038	$self->leave_link;
2374	}	3039	}
2375	})->prio (1);	3040	})->prio (1);
2376	}	3041	}
2377		3042
2378	=head3 cf::client	3043	=head3 cf::client
2379		3044
2380	=over 4	3045	=over 4
2381		3046
2382	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2383		3048
2384	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2385	should not be used under normal circumstances.	3050	them as required.
2386		3051
2387	=cut	3052	=cut
2388		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2389	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2390	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2391		3058
2392	utf8::encode $text;	3059	# try lzf for large packets
2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
2394	}	3061	if 1024 <= length $pkt and $self->{can_lzf};
2395		3062
		3063	# split very large packets
		3064	if ($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);
		3070	}
		3071
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		3073
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2399	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2402		3078
2403	=cut	3079	=cut
2404		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" => $CHAT_CHANNEL,
		3199	);
		3200
2405	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2407		3203
2408	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2409		3206
2410	if ($self->can_msg) {	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2412	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422		3208
2423	if ($color >= 0) {	3209	# check predefined channels, for the benefit of C
2424	if (0 && $msg =~ /\[/) {	3210	if ($CHANNEL{$channel}) {
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	3211	$channel = $CHANNEL{$channel};
2426	} else {	3212
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3213	$self->ext_msg (channel_info => $channel);
2428	$self->send_packet ("drawinfo $color $msg")	3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
2429	}	3221	}
2430	}
2431	}
2432	}
2433		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2434	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2435		3241
2436	Sends an ext event to the client.	3242	Sends an ext event to the client.
2437		3243
2438	=cut	3244	=cut
2439		3245
2440	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2442		3248
2443	$msg{msgtype} = "event_$type";
2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2445	}	3250	}
2446		3251
2447	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2448		3253
2449	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2469		3274
2470	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2471	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2472		3277
2473	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} = $idx;
2474	}	3317	}
2475		3318
2476	cf::client->attach (	3319	cf::client->attach (
2477	on_connect => sub {	3320	on_connect => sub {
2478	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2504	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2505		3348
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		3350
2508	if (ref $msg) {	3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3354	if (my $cb = $EXTIACMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	3355	$cb->(
2511	$reply{msgid} = $msg->{msgid};	3356	$ns,
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	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}) {
		3367	@reply = $cb->($ns, @payload);
2513	}	3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2514	}	3372	}
2515	} else {	3373	} else {
2516	warn "client " . ($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";
2517	}	3375	}
2518		3376
2519	cf::override;	3377	cf::override;
2520	},	3378	},
2521	);	3379	);
…		…
2541		3399
2542	$coro	3400	$coro
2543	}	3401	}
2544		3402
2545	cf::client->attach (	3403	cf::client->attach (
2546	on_destroy => sub {	3404	on_client_destroy => sub {
2547	my ($ns) = @_;	3405	my ($ns) = @_;
2548		3406
2549	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2550	},	3408	},
2551	);	3409	);
…		…
2566	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2568		3426
2569	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2570		3428
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2572		3434
2573	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2574		3436
2575	=pod	3437	=pod
2576		3438
2577	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2578		3440
2579	cf::object contr pay_amount pay_player map	3441	cf::object
		3442	contr pay_amount pay_player map x y force_find force_add destroy
		3443	insert remove name archname title slaying race decrease split
		3444	value
		3445
2580	cf::object::player player	3446	cf::object::player
2581	cf::player peaceful	3447	player
2582	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2583		3454
2584	=cut	3455	=cut
2585		3456
2586	for (	3457	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2588	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2590	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2591	) {	3464	) {
2592	no strict 'refs';
2593	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2594	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2595	for @funs;	3467	for @funs;
2596	}	3468	}
2597		3469
…		…
2612		3484
2613	my $qcode = $code;	3485	my $qcode = $code;
2614	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2615	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2616		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2617	local $_;	3492	local $_;
2618	local @safe::cf::_safe_eval_args = values %vars;
2619		3493
2620	my $eval =	3494	my $eval =
2621	"do {\n"	3495	"do {\n"
2622	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2623	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2624	. $code	3498	. $code
2625	. "\n}"	3499	. "\n}"
2626	;	3500	;
2627		3501
		3502	if ($CFG{safe_eval}) {
2628	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2629	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2630	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2631		3511
2632	if ($@) {	3512	if ($@) {
2633	warn "$@";	3513	warn "$@",
2634	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2635	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2636	}	3516	}
2637		3517
2638	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2639	}	3519	}
2640		3520
…		…
2654	=cut	3534	=cut
2655		3535
2656	sub register_script_function {	3536	sub register_script_function {
2657	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2658		3538
2659	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2660	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2661	}	3541	}
2662		3542
2663	=back	3543	=back
2664		3544
2665	=cut	3545	=cut
2666		3546
2667	#############################################################################	3547	#############################################################################
2668	# the server's init and main functions	3548	# the server's init and main functions
2669		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
2670	sub load_facedata($) {	3627	sub load_facedata($) {
2671	my ($path) = @_;	3628	my ($path) = @_;
2672		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2673	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2674		3633
2675	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2676	0 < aio_load $path, $facedata
2677	or die "$path: $!";
2678
2679	$facedata = Coro::Storable::thaw $facedata;
2680		3635
2681	$facedata->{version} == 2	3636	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2683		3647
2684	{	3648	{
2685	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2686		3650
2687	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3655	cf::face::set_visibility $idx, $info->{visibility};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2692	Coro::cede;	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2693	}	3662	}
2694		3663
2695	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2697	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2698	or next;	3668	or next;
		3669
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
		3671	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3673	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3675	}
2704	Coro::cede;
2705	}	3676	}
2706	}	3677	}
2707		3678
2708	{	3679	{
2709	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2710		3681
2711	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;
2714	}	3684	}
2715		3685
2716	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2717	}	3687	}
2718		3688
		3689	{
		3690	my $res = $facedata->{resource};
		3691
		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
		3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
		3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
		3705	}
		3706	}
		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
		3722
2719	1	3723	1
2720	}	3724	}
2721		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		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
2722	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
2723	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
		3765
		3766	for (cf::region::list) {
		3767	$_->{match} = qr/$_->{match}/
		3768	if exists $_->{match};
		3769	}
2725	}	3770	}
2726		3771
2727	sub reload_facedata {	3772	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2729	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2730	}	3775	}
2731		3776
2732	sub reload_archetypes {	3777	sub reload_archetypes {
2733	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2734	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2735	#d# NEED to laod twice to resolve forward references	3780
2736	# this really needs to be done in an extra post-pass	3781	cf::face::set
2737	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2738	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2739	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;
2740	}	3806	}
2741		3807
2742	sub reload_treasures {	3808	sub reload_treasures {
2743	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
2744	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
2745	}	3811	}
2746		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
2747	sub reload_resources {	3833	sub reload_resources {
2748	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
2749		3835
		3836	reload_materials;
		3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
		3840	reload_archetypes;
2750	reload_regions;	3841	reload_regions;
2751	reload_facedata;
2752	#reload_archetypes;#d#
2753	reload_archetypes;
2754	reload_treasures;	3842	reload_treasures;
2755		3843
2756	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
2757	}	3845	}
2758		3846
2759	sub init {	3847	sub reload_config {
2760	reload_resources;	3848	trace "reloading config file...\n";
2761	}
2762		3849
2763	sub cfg_load {	3850	my $config = load_file "$CONFDIR/config";
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3851	utf8::decode $config;
2765	or return;	3852	*CFG = decode_yaml $config;
2766		3853
2767	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;
2769
2770	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2771		3855
2772	$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};
2773	$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};
2774		3858
2775	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
2779	};	3863	};
2780	warn $@ if $@;	3864	warn $@ if $@;
2781	}	3865	}
2782	}	3866	}
2783		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
2784	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
2785	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3907	$Coro::idle = sub {
2787	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#
2788	(async {	3909	(async {
2789	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
2791	};	3913	};
2792		3914
2793	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
2794	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
2795	load_extensions;	3939	load_extensions;
2796		3940
2797	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
2798	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;
2799	}	3958	}
2800		3959
2801	#############################################################################	3960	#############################################################################
2802	# initialisation and cleanup	3961	# initialisation and cleanup
2803		3962
2804	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
2805	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
2814	},
2815	);	3969	};
2816	}	3970	}
2817	}	3971	}
2818		3972
2819	sub write_runtime {	3973	sub write_runtime_sync {
2820	my $runtime = "$LOCALDIR/runtime";	3974	my $t0 = AE::time;
2821		3975
2822	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
2823	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
2824		3978
2825	IO::AIO::aio_utime $runtime, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2826		3980
2827	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
2828		3982
2829	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2830	or return;	3984	or return;
2831		3985
2832	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
2833	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
2834	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
2844	aio_utime $fh, undef, undef;	3998	aio_utime $fh, undef, undef;
2845		3999
2846	close $fh	4000	close $fh
2847	or return;	4001	or return;
2848		4002
2849	aio_rename "$runtime~", $runtime	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2850	and return;	4004	and return;
2851		4005
2852	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2853		4007
2854	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 };
2855	}	4059	}
2856		4060
2857	sub emergency_save() {	4061	sub emergency_save() {
2858	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
2859		4063
2860	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;
2861		4070
2862	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
2863	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
2864	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
2865	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
2867	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	4082	$pl->save;
2871	}	4083	}
2872	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
2873		4085
2874	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";
2875	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
2876	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
2877	$map->valid or next;	4091	$map->valid or next;
2878	$map->save;	4092	$map->save;
2879	}	4093	}
2880	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
2881		4095
2882	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";
2883	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
2884	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
2885	};	4124	};
2886		4125
2887	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
2888	}	4127	}
2889		4128
2890	sub post_cleanup {	4129	sub post_cleanup {
2891	my ($make_core) = @_;	4130	my ($make_core) = @_;
2892		4131
		4132	IO::AIO::flush;
		4133
2893	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
2894	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	}
2895	}	4164	}
2896		4165
2897	sub do_reload_perl() {	4166	sub do_reload_perl() {
2898	# can/must only be called in main	4167	# can/must only be called in main
2899	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
2900	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
2901	return;	4170	return;
2902	}	4171	}
2903		4172
2904	warn "reloading...";	4173	return if $RELOAD++;
2905		4174
2906	warn "entering sync_job";	4175	my $t1 = AE::time;
2907		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
2908	cf::sync_job {	4183	cf::sync_job {
2909	cf::write_runtime; # external watchdog should not bark
2910	cf::emergency_save;	4184	#cf::emergency_save;
2911	cf::write_runtime; # external watchdog should not bark
2912		4185
2913	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;
2915
2916	# if anything goes wrong in here, we should simply crash as we already saved
2917
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";
2924	for (;;) {
2925	BDB::flush;
2926	IO::AIO::flush;
2927	Coro::cede;
2928	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";
2930	}
2931
2932	++$RELOAD;
2933
2934	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
2935	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
2936	%EXT_CORO = ();	4188	%EXT_CORO = ();
2937		4189
2938	warn "removing commands";	4190	trace "perl_reload: removing commands";
2939	%COMMAND = ();	4191	%COMMAND = ();
2940		4192
2941	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
2942	%EXTCMD = ();	4194	%EXTCMD = ();
2943	%EXTICMD = ();	4195	%EXTICMD = ();
2944		4196
2945	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
2946	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
2947	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
2948		4200
2949	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
2950	eval {	4202	eval {
2951	$cb->($pkg);	4203	$cb->($pkg);
2952	1	4204	1
2953	} 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;
2954	}	4210	}
2955		4211
2956	warn "... nuking $pkg";
2957	Symbol::delete_package $pkg;
2958	}
2959
2960	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2961	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
2962	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2963		4215
2964	warn "... unloading $k";	4216	trace "... unloading $k";
2965	delete $INC{$k};	4217	delete $INC{$k};
2966		4218
2967	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
2968	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
2969		4221
2970	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
2971	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
2972	}	4227	}
2973		4228
2974	Symbol::delete_package $k;
2975	}
2976
2977	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
2978	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
2979	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);
2980		4232
2981	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
2982	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
2983	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2984		4236
2985	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
2986	# and global variables created in xs	4238	# and global variables created in xs
2987	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
2988		4240
2989	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
2990		4242
2991	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
2992	require cf;	4244	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
2994		4246
2995	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
2996	cf::cfg_load;	4248	cf::reload_config;
2997		4249
2998	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
2999	cf::load_extensions;	4251	cf::load_extensions;
3000		4252
		4253	if ($REATTACH_ON_RELOAD) {
3001	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3002	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3003	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3004	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3005	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3006	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3007		4261
3008	warn "leaving sync_job";	4262	cf::_post_init 1;
3009		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
3010	1	4266	1
3011	} or do {	4267	} or do {
3012	warn $@;	4268	error $@;
3013	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
3014	exit 1;	4270	};
		4271
		4272	--$RELOAD;
3015	};	4273	}
3016		4274
3017	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3018	};	4277	};
3019		4278
3020	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3021		4280
3022	sub reload_perl() {	4281	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3025		4284
3026	$RELOAD_WATCHER ||= Event->timer (	4285	$RELOAD_WATCHER ||= cf::async {
3027	reentrant => 0,	4286	Coro::AIO::aio_wait cache_extensions;
3028	after => 0,	4287
3029	data => WF_AUTOCANCEL,	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3030	cb => sub {
3031	do_reload_perl;	4289	do_reload_perl;
3032	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
3033	},	4291	};
3034	);	4292	};
3035	}	4293	}
3036		4294
3037	register_command "reload" => sub {	4295	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
3039		4297
3040	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
		4300	async {
		4301	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	4302	reload_perl;
		4303	};
3043	}	4304	}
3044	};	4305	};
3045		4306
3046	unshift @INC, $LIBDIR;	4307	#############################################################################
3047		4308
3048	my $bug_warning = 0;	4309	my $bug_warning = 0;
3049		4310
3050	our @WAIT_FOR_TICK;
3051	our @WAIT_FOR_TICK_BEGIN;
3052
3053	sub wait_for_tick {	4311	sub wait_for_tick() {
3054	return unless $TICK_WATCHER->is_active;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3055	return if $Coro::current == $Coro::main;
3056		4313
3057	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3058	push @WAIT_FOR_TICK, $signal;
3059	$signal->wait;
3060	}	4315	}
3061		4316
3062	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3063	return unless $TICK_WATCHER->is_active;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3064	return if $Coro::current == $Coro::main;
3065		4319
3066	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	4322	$signal->wait;
3069	}	4323	}
3070		4324
3071	my $min = 1e6;#d#	4325	sub tick {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3083	return;	4329	return;
3084	}	4330	}
3085		4331
3086	$NOW = $tick_start = Event::time;	4332	cf::one_tick; # one server iteration
3087		4333
3088	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3089		4335
3090	0 && sync_job {#d#	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3091	for(1..10) {	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3092	my $t = Event::time;	4338	Coro::async_pool {
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4339	$Coro::current->{desc} = "runtime saver";
3094	or die;	4340	write_runtime_sync
3095		4341	or error "ERROR: unable to write runtime file: $!";
3096	$map->width (50);
3097	$map->height (50);
3098	$map->alloc;
3099	$map->_load_objects ("/tmp/x.map", 1);
3100	my $t = Event::time - $t;
3101
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	4342	};
		4343	}
3112		4344
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	4346	$sig->send;
3129	}	4347	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3131	$sig->send;
3132	}
3133		4349
3134	$NOW = Event::time;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		4352
3145	_post_tick;	4353	if (0) {
3146		4354	if ($NEXT_TICK) {
3147		4355	my $jitter = $TICK_START - $NEXT_TICK;
		4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4357	debug "jitter $JITTER\n";#d#
		4358	}
3148	},	4359	}
3149	);	4360	}
3150		4361
3151	{	4362	{
3152	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
3153	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
3154	reentrant => 0,	4365
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3162		4367	BDB::max_poll_reqs $TICK * 0.1;
3163	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3164	my $status;
3165	my $current = $Coro::current;
3166	(
3167	sub {
3168	$status = $!;
3169	$current->ready; undef $current;
3170	},
3171	sub {
3172	Coro::schedule while defined $current;
3173	$! = $status;
3174	},
3175	)
3176	};
3177		4369
3178	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3179	$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);
3180		4377
3181	cf::sync_job {	4378	cf::sync_job {
3182	eval {	4379	eval {
3183	BDB::db_env_open	4380	BDB::db_env_open
3184	$DB_ENV,	4381	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	4385	0666;
3189		4386
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	4388	};
3195		4389
3196	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	4391	};
3198	}	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";
3199	}	4405	}
3200		4406
3201	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
3202	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3203
3204	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
3207	reentrant => 0,	4414	info "aio initialised";
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	4415	}
3215		4416
3216	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3217		4419
3218	sub _log_backtrace {	4420	sub _log_backtrace {
3219	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3220		4422
3221	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3222		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3223	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3225	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3226	async {	4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
3227	my @bt = fork_call {	4436	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	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 |"
3231	or die "addr2line: $!";	4440	or die "addr2line: $!";
…		…
3239	}	4448	}
3240		4449
3241	@funcs	4450	@funcs
3242	};	4451	};
3243		4452
3244	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3245	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3246	--$_log_backtrace;	4456	--$_log_backtrace;
3247	};	4457	};
3248	} else {	4458	} else {
3249	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3250	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3251	}	4461	}
3252	}	4462	}
3253		4463
3254	# load additional modules	4464	# load additional modules
3255	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3256		4467
3257	END { cf::emergency_save }	4468	END { cf::emergency_save }
3258		4469
3259	1	4470	1
3260		4471

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