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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.293 by root, Tue Jul 3 05:14:15 2007 UTC vs.
Revision 1.615 by root, Sat Feb 23 22:37:39 2013 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		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	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1444		1945
1445	Sends an ext event to the client.	1946	Sends an ext event to the client.
1446		1947
1447	=cut	1948	=cut
1448		1949
1449	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1451		1952
1452	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1453	}	1954	}
1454		1955
1455	=head3 cf::region	1956	=head3 cf::region
1456		1957
1457	=over 4	1958	=over 4
…		…
1467	=cut	1968	=cut
1468		1969
1469	sub find_by_path($) {	1970	sub find_by_path($) {
1470	my ($path) = @_;	1971	my ($path) = @_;
1471		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1472	my ($match, $specificity);	1975	my ($match, $specificity);
1473		1976
1474	for my $region (list) {	1977	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1478	}	1981	}
1479	}	1982	}
1480		1983
…		…
1501	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1503		2006
1504	sub generate_random_map {	2007	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1507	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2013	}
1521		2014
1522	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1523		2016
1524	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1529		2022
1530	sub register {	2023	sub register {
1531	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2025	my $pkg = caller;
1533		2026
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2028
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2030	}
1539		2031
1540	# also paths starting with '/'	2032	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2034
1543	sub thawer_merge {	2035	sub thawer_merge {
1544	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1545		2037
1546	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1551	}	2043	}
1552		2044
1553	sub normalise {	2045	sub normalise {
1554	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1555		2047
1556	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1557		2049
1558	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1559		2051
1560	# map plan:	2052	# map plan:
1561	#	2053	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2069	$path = "$base/$path";
1578	}	2070	}
1579		2071
1580	for ($path) {	2072	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1584	}	2075	}
1585		2076
1586	$path	2077	$path
…		…
1600	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1601	return $self;	2092	return $self;
1602	}	2093	}
1603	}	2094	}
1604		2095
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2097	()
1607	}	2098	}
1608		2099
		2100	# may re-bless or do other evil things
1609	sub init {	2101	sub init {
1610	my ($self) = @_;	2102	my ($self) = @_;
1611		2103
1612	$self	2104	$self
1613	}	2105	}
…		…
1632		2124
1633	# the temporary/swap location	2125	# the temporary/swap location
1634	sub save_path {	2126	sub save_path {
1635	my ($self) = @_;	2127	my ($self) = @_;
1636		2128
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1639	}	2131	}
1640		2132
1641	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1642	sub uniq_path {	2134	sub uniq_path {
1643	my ($self) = @_;	2135	my ($self) = @_;
1644		2136
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2139	}
1657		2140
1658	sub decay_objects {	2141	sub decay_objects {
1659	my ($self) = @_;	2142	my ($self) = @_;
1660		2143
…		…
1673		2156
1674	sub load_header_from($) {	2157	sub load_header_from($) {
1675	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1676		2159
1677	utf8::encode $path;	2160	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2162	or return;
1683		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1684	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1685		2171
1686	1	2172	1
1687	}	2173	}
1688		2174
		2175	# used to laod the header of an original map
1689	sub load_header_orig {	2176	sub load_header_orig {
1690	my ($self) = @_;	2177	my ($self) = @_;
1691		2178
1692	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1693	}	2180	}
1694		2181
		2182	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2183	sub load_header_temp {
1696	my ($self) = @_;	2184	my ($self) = @_;
1697		2185
1698	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1699	}	2187	}
1700		2188
		2189	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2190	sub prepare_temp {
1702	my ($self) = @_;	2191	my ($self) = @_;
1703		2192
1704	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1706	# safety	2195	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2198	}
1710		2199
		2200	# called after loading the header from an original map
1711	sub prepare_orig {	2201	sub prepare_orig {
1712	my ($self) = @_;	2202	my ($self) = @_;
1713		2203
1714	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2229
1740	sub find;	2230	sub find;
1741	sub find {	2231	sub find {
1742	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1743		2233
		2234	cf::cede_to_tick;
		2235
1744	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1745		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2240
1748	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1751	or return;	2243	or return;
1752		2244
1753	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1754		2246
…		…
1756	or return;	2248	or return;
1757		2249
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1761	$map->reset;	2255	$map->reset;
1762	undef $guard;
1763	return find $path;	2256	return find $path;
1764	}	2257	}
1765		2258
1766	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1767	}	2260	}
1768	}	2261	}
1769		2262
1770	sub pre_load { }	2263	sub pre_load { }
1771	sub post_load { }	2264	#sub post_load { } # XS
1772		2265
1773	sub load {	2266	sub load {
1774	my ($self) = @_;	2267	my ($self) = @_;
1775		2268
1776	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1777		2270
1778	my $path = $self->{path};	2271	my $path = $self->{path};
1779		2272
1780	{	2273	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1782		2275
		2276	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2278
1787	$self->alloc;	2279	$self->alloc;
1788		2280
1789	$self->pre_load;	2281	$self->pre_load;
1790	Coro::cede;	2282	cf::cede_to_tick;
1791		2283
1792	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1793	or return;	2288	or return;
1794		2289
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1796	if delete $self->{load_original};	2291	if delete $self->{load_original};
1797		2292
1798	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2294	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2297	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1803	}	2302	}
1804	}
1805		2303
1806	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1807	# now do the right thing for maps	2313	# now do the right thing for maps
1808	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2316	unless $self->difficulty;
1811	Coro::cede;	2317	cf::cede_to_tick;
1812		2318
1813	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2320	$self->decay_objects;
1815	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1816	$self->update_buttons;	2322	$self->update_buttons;
1817	Coro::cede;	2323	cf::cede_to_tick;
1818	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2325	}
1822		2326
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1824	}	2329	}
1825		2330
1826	$self->post_load;	2331	$self->post_load;
1827	}
1828		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2339	sub customise_for {
1830	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1831		2341
1832	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2343	if $self->per_player;
…		…
1836	# if $self->per_party;	2346	# if $self->per_party;
1837		2347
1838	$self	2348	$self
1839	}	2349	}
1840		2350
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2351	sub find_sync {
1866	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1867		2353
1868	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1869	}	2359	}
1870		2360
1871	sub do_load_sync {	2361	sub do_load_sync {
1872	my ($map) = @_;	2362	my ($map) = @_;
1873		2363
1874	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1875	}	2369	}
1876		2370
1877	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1879		2373
1880	sub find_async {	2374	sub find_async {
1881	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1882		2376
1883	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1884		2378
1885	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1887	}	2381	}
1888		2382
1889	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1890	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1891	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2390	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2391	$map->load if $v;
		2392	}
1896		2393
1897	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1898	}	2395	}
1899	}	2396	}
1900	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1901	};	2398	};
1902	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1903		2400
1904	()	2401	()
1905	}	2402	}
1906		2403
		2404	# common code, used by both ->save and ->swapout
1907	sub save {	2405	sub _save {
1908	my ($self) = @_;	2406	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2407
1912	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1913		2409
1914	return unless $self->dirty;	2410	return unless $self->dirty;
1915		2411
…		…
1921	return if $self->{deny_save};	2417	return if $self->{deny_save};
1922		2418
1923	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1924		2420
1925	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1927	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1928		2427
1929	if ($uniq) {	2428	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2431	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2433	}
1935	}	2434	}
1936		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1937	sub swap_out {	2444	sub swap_out {
1938	my ($self) = @_;	2445	my ($self) = @_;
1939		2446
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1945	return if $self->players;	2451	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1949	$self->clear;	2462	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2463	}
1952		2464
1953	sub reset_at {	2465	sub reset_at {
1954	my ($self) = @_;	2466	my ($self) = @_;
1955		2467
…		…
1973		2485
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2487
1976	return if $self->players;	2488	return if $self->players;
1977		2489
1978	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
1979		2491
1980	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1981		2493
1982	# need to save uniques path	2494	# need to save uniques path
1983	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2497
…		…
1987	if $uniq;	2499	if $uniq;
1988	}	2500	}
1989		2501
1990	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1991		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2506	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2507
1996	$self->unlink_save;	2508	$self->unlink_save;
1997	$self->destroy;	2509	$self->destroy;
1998	}	2510	}
1999		2511
2000	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2001		2513
2002	sub nuke {	2514	sub nuke {
2003	my ($self) = @_;	2515	my ($self) = @_;
2004		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2005	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2006		2521
2007	$self->unlink_save;	2522	$self->unlink_save;
2008		2523
2009	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2529
2015	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2016		2532
2017	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2018	}	2534	}
2019		2535
2020	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2062		2578
2063	sub unique_maps() {	2579	sub unique_maps() {
2064	[	2580	[
2065	map {	2581	map {
2066	utf8::decode $_;	2582	utf8::decode $_;
2067	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2068	? normalise $_	2586	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2588	]
2072	}	2589	}
2073		2590
2074	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2075		2622
2076	=back	2623	=back
2077		2624
2078	=head3 cf::object	2625	=head3 cf::object
2079		2626
…		…
2083		2630
2084	=over 4	2631	=over 4
2085		2632
2086	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2087		2634
2088	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2089		2637
2090	=cut	2638	=cut
2091		2639
2092	sub inv_recursive_;	2640	sub inv_recursive_;
2093	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2096		2644
2097	sub inv_recursive {	2645	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2099	}	2647	}
2100		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2101	package cf;	2677	package cf;
2102		2678
2103	=back	2679	=back
2104		2680
2105	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2114		2690
2115	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2116		2706
2117	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2708	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2127		2717
2128	} else {	2718	} else {
2129	my $pl = $self->contr;	2719	my $pl = $self->contr;
2130		2720
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2724
2140	} else {	2725	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2728	}
2144	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
2145	}	2740	}
2146		2741
2147	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2148		2743
2149	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2150	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2151		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2152	=cut	2772	=cut
2153		2773
2154	sub cf::object::player::may {	2774	sub cf::object::player::may {
2155	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2156		2776
2157	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2158	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2159	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2160	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2161	}	2781	}
2162		2782
2163	=item $player_object->enter_link	2783	=item $player_object->enter_link
2164		2784
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2786
2167	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2169		2791
2170	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2171		2799
2172	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2173		2801
2174	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2175	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2193	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2822	my ($self) = @_;
2195		2823
2196	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2197		2825
		2826	++$self->{_link_recursion};
		2827
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2829
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2202		2832
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2834	}
2205		2835
2206	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2208		2838
…		…
2225	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2227		2857
2228	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2231		2861
2232	$map->load;	2862	$map->load;
2233	$map->load_diag;
2234		2863
2235	return unless $self->contr->active;	2864	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2865
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2240	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2241		2873
		2874	}
		2875
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2877
2244	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2881	the new (success) or old (failed) map position. In either case, $done will
		2882	be called at the end of this process.
		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
2248		2886
2249	=cut	2887	=cut
2250		2888
2251	our $GOTOGEN;	2889	our $GOTOGEN;
2252		2890
2253	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2255		2899
2256	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2902
2259	$self->enter_link;	2903	$self->enter_link;
2260		2904
2261	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2262	my $map = eval {	2927	my $map = eval {
2263	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2929
2265	if ($map) {	2930	if ($map) {
2266	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2933	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2935	}
2271		2936
2272	$map	2937	$map
2273	};	2938	};
2274		2939
…		…
2279		2944
2280	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2283	}	2948	}
		2949
		2950	$done->($self) if $done;
2284	})->prio (1);	2951	})->prio (1);
2285	}	2952	}
2286		2953
2287	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2288		2955
…		…
2308	}	2975	}
2309		2976
2310	sub prepare_random_map {	2977	sub prepare_random_map {
2311	my ($exit) = @_;	2978	my ($exit) = @_;
2312		2979
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2982	# that depends on the exit object
2318		2983
2319	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2986	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2326	}	2993	}
2327		2994
2328	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2329		2996
2330	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2333		3000
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	3003	undef $fh;
2337	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2338		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2341	}	3012	}
2342	}	3013	}
2343		3014
2344	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2346		3017
2347	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2348		3019
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	3020	$self->enter_link;
2361		3021
2362	(async {	3022	(async {
2363	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2364	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2365	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2366		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2367	1;	3061	1
2368	}) {	3062	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3067
2374	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3069	$self->leave_link;
2376	}	3070	}
2377	})->prio (1);	3071	})->prio (1);
2378	}	3072	}
2379		3073
2380	=head3 cf::client	3074	=head3 cf::client
2381		3075
2382	=over 4	3076	=over 4
2383		3077
2384	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2385		3079
2386	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2387	should not be used under normal circumstances.	3081	them as required.
2388		3082
2389	=cut	3083	=cut
2390		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2391	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2392	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2393		3089
2394	utf8::encode $text;	3090	# try lzf for large packets
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
2396	}	3092	if 1024 <= length $pkt and $self->{can_lzf};
2397		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
		3101	}
		3102
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3104
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2401	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2404		3109
2405	=cut	3110	=cut
2406		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
		3230	);
		3231
2407	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3234
2410	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2411		3237
2412	if ($self->can_msg) {	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2413	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2414	} else {
2415	# replace some tags by gcfclient-compatible ones
2416	for ($msg) {
2417	1 while
2418	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2419	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2420	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2421	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2422	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2423	}
2424		3239
2425	if ($color >= 0) {	3240	# check predefined channels, for the benefit of C
2426	if (0 && $msg =~ /\[/) {	3241	if ($CHANNEL{$channel}) {
2427	$self->send_packet ("drawextinfo $color 4 0 $msg")	3242	$channel = $CHANNEL{$channel};
2428	} else {	3243
2429	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3244	$self->ext_msg (channel_info => $channel);
2430	$self->send_packet ("drawinfo $color $msg")	3245	$channel = $channel->{id};
		3246
		3247	} elsif (ref $channel) {
		3248	# send meta info to client, if not yet sent
		3249	unless (exists $self->{channel}{$channel->{id}}) {
		3250	$self->{channel}{$channel->{id}} = $channel;
		3251	$self->ext_msg (channel_info => $channel);
2431	}	3252	}
2432	}
2433	}
2434	}
2435		3253
		3254	$channel = $channel->{id};
		3255	}
		3256
		3257	return unless @extra || length $msg;
		3258
		3259	# default colour, mask it out
		3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3261	if $color & cf::NDI_DEF;
		3262
		3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
		3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3266	);
		3267
		3268	$self->send_big_packet ($pkt);
		3269	}
		3270
2436	=item $client->ext_event ($type, %msg)	3271	=item $client->ext_msg ($type, @msg)
2437		3272
2438	Sends an ext event to the client.	3273	Sends an ext event to the client.
2439		3274
2440	=cut	3275	=cut
2441		3276
2442	sub cf::client::ext_event($$%) {	3277	sub cf::client::ext_msg($$@) {
2443	my ($self, $type, %msg) = @_;	3278	my ($self, $type, @msg) = @_;
2444		3279
2445	$msg{msgtype} = "event_$type";
2446	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2447	}	3281	}
2448		3282
2449	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2450		3284
2451	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2471		3305
2472	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2473	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2474		3308
2475	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2476	}	3349	}
2477		3350
2478	cf::client->attach (	3351	cf::client->attach (
2479	on_connect => sub {	3352	on_connect => sub {
2480	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2506	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2507		3380
2508	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2509		3382
2510	if (ref $msg) {	3383	if (ref $msg) {
		3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3385
2511	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3386	if (my $cb = $EXTIACMD{$type}) {
2512	if (my %reply = $cb->($ns, $msg)) {	3387	$cb->(
2513	$reply{msgid} = $msg->{msgid};	3388	$ns,
2514	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
		3399	@reply = $cb->($ns, @payload);
2515	}	3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2516	}	3404	}
2517	} else {	3405	} else {
2518	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2519	}	3407	}
2520		3408
2521	cf::override;	3409	cf::override;
2522	},	3410	},
2523	);	3411	);
…		…
2543		3431
2544	$coro	3432	$coro
2545	}	3433	}
2546		3434
2547	cf::client->attach (	3435	cf::client->attach (
2548	on_destroy => sub {	3436	on_client_destroy => sub {
2549	my ($ns) = @_;	3437	my ($ns) = @_;
2550		3438
2551	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2552	},	3440	},
2553	);	3441	);
…		…
2568	our $safe = new Safe "safe";	3456	our $safe = new Safe "safe";
2569	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2570		3458
2571	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2572		3460
2573	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3461	$safe->permit_only (Opcode::opset qw(
		3462	:base_core :base_mem :base_orig :base_math :base_loop
		3463	grepstart grepwhile mapstart mapwhile
		3464	sort time
		3465	));
2574		3466
2575	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
2576		3468
2577	=pod	3469	=pod
2578		3470
2579	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2580		3472
2581	cf::object contr pay_amount pay_player map	3473	cf::object
		3474	contr pay_amount pay_player map x y force_find force_add destroy
		3475	insert remove name archname title slaying race decrease split
		3476	value
		3477
2582	cf::object::player player	3478	cf::object::player
2583	cf::player peaceful	3479	player
2584	cf::map trigger	3480
		3481	cf::player
		3482	peaceful
		3483
		3484	cf::map
		3485	trigger
2585		3486
2586	=cut	3487	=cut
2587		3488
2588	for (	3489	for (
2589	["cf::object" => qw(contr pay_amount pay_player map)],	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2590	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2591	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2592	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2593	) {	3496	) {
2594	no strict 'refs';
2595	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2596	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2597	for @funs;	3499	for @funs;
2598	}	3500	}
2599		3501
…		…
2614		3516
2615	my $qcode = $code;	3517	my $qcode = $code;
2616	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2617	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2618		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2619	local $_;	3524	local $_;
2620	local @safe::cf::_safe_eval_args = values %vars;
2621		3525
2622	my $eval =	3526	my $eval =
2623	"do {\n"	3527	"do {\n"
2624	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2625	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2626	. $code	3530	. $code
2627	. "\n}"	3531	. "\n}"
2628	;	3532	;
2629		3533
		3534	if ($CFG{safe_eval}) {
2630	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2631	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2632	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2633		3543
2634	if ($@) {	3544	if ($@) {
2635	warn "$@";	3545	warn "$@",
2636	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2637	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2638	}	3548	}
2639		3549
2640	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2641	}	3551	}
2642		3552
…		…
2656	=cut	3566	=cut
2657		3567
2658	sub register_script_function {	3568	sub register_script_function {
2659	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2660		3570
2661	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2662	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2663	}	3573	}
2664		3574
2665	=back	3575	=back
2666		3576
2667	=cut	3577	=cut
2668		3578
2669	#############################################################################	3579	#############################################################################
2670	# the server's init and main functions	3580	# the server's init and main functions
2671		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2672	sub load_facedata($) {	3659	sub load_facedata($) {
2673	my ($path) = @_;	3660	my ($path) = @_;
2674		3661
		3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3663
2675	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2676		3665
2677	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2678	0 < aio_load $path, $facedata
2679	or die "$path: $!";
2680
2681	$facedata = Coro::Storable::thaw $facedata;
2682		3667
2683	$facedata->{version} == 2	3668	$facedata->{version} == 2
2684	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3670
		3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3673
		3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3675
		3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2685		3679
2686	{	3680	{
2687	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2688		3682
2689	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2690	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2691	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3687	cf::face::set_visibility $idx, $info->{visibility};
2692	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2693	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2694	Coro::cede;	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2695	}	3694	}
2696		3695
2697	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2698	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2699	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2700	or next;	3700	or next;
		3701
2701	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
		3703	cf::face::set_smooth $idx, $smooth;
2702	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2703	} else {	3705	} else {
2704	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2705	}	3707	}
2706	Coro::cede;
2707	}	3708	}
2708	}	3709	}
2709		3710
2710	{	3711	{
2711	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2712		3713
2713	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2714	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2715	Coro::cede;
2716	}	3716	}
2717		3717
2718	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2719	}	3719	}
2720		3720
		3721	{
		3722	my $res = $facedata->{resource};
		3723
		3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
		3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3728
		3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
		3735	} else {
		3736	# $RESOURCE{$name} = $info; # unused
		3737	}
		3738	}
		3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
2721	1	3755	1
2722	}	3756	}
2723		3757
		3758	register_exticmd fx_want => sub {
		3759	my ($ns, $want) = @_;
		3760
		3761	while (my ($k, $v) = each %$want) {
		3762	$ns->fx_want ($k, $v);
		3763	}
		3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2724	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2725	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2726	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
		3797
		3798	for (cf::region::list) {
		3799	$_->{match} = qr/$_->{match}/
		3800	if exists $_->{match};
		3801	}
2727	}	3802	}
2728		3803
2729	sub reload_facedata {	3804	sub reload_facedata {
2730	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2731	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2732	}	3807	}
2733		3808
2734	sub reload_archetypes {	3809	sub reload_archetypes {
2735	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2736	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
2737	#d# NEED to laod twice to resolve forward references	3812
2738	# this really needs to be done in an extra post-pass	3813	cf::face::set
2739	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
2740	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
2741	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2742	}	3838	}
2743		3839
2744	sub reload_treasures {	3840	sub reload_treasures {
2745	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2746	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2747	}	3843	}
2748		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
2749	sub reload_resources {	3865	sub reload_resources {
2750	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2751		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2752	reload_regions;	3873	reload_regions;
2753	reload_facedata;
2754	#reload_archetypes;#d#
2755	reload_archetypes;
2756	reload_treasures;	3874	reload_treasures;
2757		3875
2758	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2759	}	3877	}
2760		3878
2761	sub init {	3879	sub reload_config {
2762	reload_resources;	3880	trace "reloading config file...\n";
2763	}
2764		3881
2765	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2766	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2767	or return;	3884	*CFG = decode_yaml $config;
2768		3885
2769	local $/;
2770	*CFG = YAML::Syck::Load <$fh>;
2771
2772	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2773		3887
2774	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2775	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2776		3890
2777	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
2781	};	3895	};
2782	warn $@ if $@;	3896	warn $@ if $@;
2783	}	3897	}
2784	}	3898	}
2785		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::loop starting\n";
		3921	if (1) {
		3922	EV::loop;
		3923	}
		3924	trace "EV::loop returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
2786	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
2787	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
2788	local $Coro::idle = sub {	3939	$Coro::idle = sub {
2789	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2790	(async {	3941	(async {
2791	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::loop EV::LOOP_ONESHOT;
2792	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
2793	};	3945	};
2794		3946
2795	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
2796	db_init;	3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
2797	load_extensions;	3971	load_extensions;
2798		3972
2799	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
2800	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
2801	}	3990	}
2802		3991
2803	#############################################################################	3992	#############################################################################
2804	# initialisation and cleanup	3993	# initialisation and cleanup
2805		3994
2806	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
2807	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
2808	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
2809	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2810	reentrant => 0,
2811	data => WF_AUTOCANCEL,
2812	signal => $signal,
2813	prio => 0,
2814	cb => sub {
2815	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
2816	},
2817	);	4001	};
2818	}	4002	}
2819	}	4003	}
2820		4004
2821	sub write_runtime {	4005	sub write_runtime_sync {
2822	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
2823		4007
2824	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
2825	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
2826		4010
2827	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2828		4012
2829	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
2830		4014
2831	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2832	or return;	4016	or return;
2833		4017
2834	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
2835	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
2836	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
2846	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
2847		4031
2848	close $fh	4032	close $fh
2849	or return;	4033	or return;
2850		4034
2851	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2852	and return;	4036	and return;
2853		4037
2854	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2855		4039
2856	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
2857	}	4091	}
2858		4092
2859	sub emergency_save() {	4093	sub emergency_save() {
2860	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
2861		4095
2862	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
2863		4102
2864	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
2865	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
2866	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
2867	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
2868	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
2869	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
2870	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
2871	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2872	$pl->save;	4114	$pl->save;
2873	}	4115	}
2874	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
2875		4117
2876	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
2877	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
2878	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
2879	$map->valid or next;	4123	$map->valid or next;
2880	$map->save;	4124	$map->save;
2881	}	4125	}
2882	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
2883		4127
2884	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
2885	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
2886	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
2887	};	4156	};
2888		4157
2889	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
2890	}	4159	}
2891		4160
2892	sub post_cleanup {	4161	sub post_cleanup {
2893	my ($make_core) = @_;	4162	my ($make_core) = @_;
2894		4163
		4164	IO::AIO::flush;
		4165
2895	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
2896	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
2897	}	4196	}
2898		4197
2899	sub do_reload_perl() {	4198	sub do_reload_perl() {
2900	# can/must only be called in main	4199	# can/must only be called in main
2901	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
2902	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
2903	return;	4202	return;
2904	}	4203	}
2905		4204
2906	warn "reloading...";	4205	return if $RELOAD++;
2907		4206
2908	warn "entering sync_job";	4207	my $t1 = AE::time;
2909		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
2910	cf::sync_job {	4215	cf::sync_job {
2911	cf::write_runtime; # external watchdog should not bark
2912	cf::emergency_save;	4216	#cf::emergency_save;
2913	cf::write_runtime; # external watchdog should not bark
2914		4217
2915	warn "syncing database to disk";
2916	BDB::db_env_txn_checkpoint $DB_ENV;
2917
2918	# if anything goes wrong in here, we should simply crash as we already saved
2919
2920	warn "cancelling all WF_AUTOCANCEL watchers";
2921	for (Event::all_watchers) {
2922	$_->cancel if $_->data & WF_AUTOCANCEL;
2923	}
2924
2925	warn "flushing outstanding aio requests";
2926	for (;;) {
2927	BDB::flush;
2928	IO::AIO::flush;
2929	Coro::cede;
2930	last unless IO::AIO::nreqs || BDB::nreqs;
2931	warn "iterate...";
2932	}
2933
2934	++$RELOAD;
2935
2936	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
2937	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
2938	%EXT_CORO = ();	4220	%EXT_CORO = ();
2939		4221
2940	warn "removing commands";	4222	trace "perl_reload: removing commands";
2941	%COMMAND = ();	4223	%COMMAND = ();
2942		4224
2943	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
2944	%EXTCMD = ();	4226	%EXTCMD = ();
2945	%EXTICMD = ();	4227	%EXTICMD = ();
2946		4228
2947	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
2948	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
2949	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
2950		4232
2951	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
2952	eval {	4234	eval {
2953	$cb->($pkg);	4235	$cb->($pkg);
2954	1	4236	1
2955	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
2956	}	4242	}
2957		4243
2958	warn "... nuking $pkg";
2959	Symbol::delete_package $pkg;
2960	}
2961
2962	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2963	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
2964	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2965		4247
2966	warn "... unloading $k";	4248	trace "... unloading $k";
2967	delete $INC{$k};	4249	delete $INC{$k};
2968		4250
2969	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
2970	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
2971		4253
2972	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
2973	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
2974	}	4259	}
2975		4260
2976	Symbol::delete_package $k;
2977	}
2978
2979	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
2980	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
2981	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2982		4264
2983	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
2984	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
2985	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2986		4268
2987	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
2988	# and global variables created in xs	4270	# and global variables created in xs
2989	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
2990		4272
2991	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
2992		4274
2993	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
2994	require cf;	4276	require cf;
2995	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
2996		4278
2997	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
2998	cf::cfg_load;	4280	cf::reload_config;
2999		4281
3000	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3001	cf::load_extensions;	4283	cf::load_extensions;
3002		4284
		4285	if ($REATTACH_ON_RELOAD) {
3003	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3004	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3005	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3006	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3007	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3008	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3009		4293
3010	warn "leaving sync_job";	4294	cf::_post_init 1;
3011		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3012	1	4298	1
3013	} or do {	4299	} or do {
3014	warn $@;	4300	error $@;
3015	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3016	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3017	};	4305	}
3018		4306
3019	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3020	};	4309	};
3021		4310
3022	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3023		4312
3024	sub reload_perl() {	4313	sub reload_perl() {
3025	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3026	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3027		4316
3028	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3029	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3030	after => 0,	4319
3031	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3032	cb => sub {
3033	do_reload_perl;	4321	do_reload_perl;
3034	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3035	},	4323	};
3036	);	4324	};
3037	}	4325	}
3038		4326
3039	register_command "reload" => sub {	4327	register_command "reload" => sub {
3040	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3041		4329
3042	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3043	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3044	async { reload_perl };	4334	reload_perl;
		4335	};
3045	}	4336	}
3046	};	4337	};
3047		4338
3048	unshift @INC, $LIBDIR;	4339	#############################################################################
3049		4340
3050	my $bug_warning = 0;	4341	my $bug_warning = 0;
3051		4342
3052	our @WAIT_FOR_TICK;
3053	our @WAIT_FOR_TICK_BEGIN;
3054
3055	sub wait_for_tick {	4343	sub wait_for_tick() {
3056	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3057	return if $Coro::current == $Coro::main;
3058		4345
3059	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3060	push @WAIT_FOR_TICK, $signal;
3061	$signal->wait;
3062	}	4347	}
3063		4348
3064	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3065	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3066	return if $Coro::current == $Coro::main;
3067		4351
3068	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3069	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3070	$signal->wait;	4354	$signal->wait;
3071	}	4355	}
3072		4356
3073	my $min = 1e6;#d#	4357	sub tick {
3074	my $avg = 10;
3075	$TICK_WATCHER = Event->timer (
3076	reentrant => 0,
3077	parked => 1,
3078	prio => 0,
3079	at => $NEXT_TICK || $TICK,
3080	data => WF_AUTOCANCEL,
3081	cb => sub {
3082	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3083	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3084	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3085	return;	4361	return;
3086	}	4362	}
3087		4363
3088	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3089		4365
3090	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3091		4367
3092	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3093	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3094	my $t = Event::time;	4370	Coro::async_pool {
3095	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3096	or die;	4372	write_runtime_sync
3097		4373	or error "ERROR: unable to write runtime file: $!";
3098	$map->width (50);
3099	$map->height (50);
3100	$map->alloc;
3101	$map->_load_objects ("/tmp/x.map", 1);
3102	my $t = Event::time - $t;
3103
3104	#next unless $t < 0.0013;#d#
3105	if ($t < $min) {
3106	$min = $t;
3107	}
3108	$avg = $avg * 0.99 + $t * 0.01;
3109	}
3110	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3111	exit 0;
3112	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3113	};	4374	};
		4375	}
3114		4376
3115	$RUNTIME += $TICK;
3116	$NEXT_TICK += $TICK;
3117
3118	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3119	$NEXT_RUNTIME_WRITE = $NOW + 10;
3120	Coro::async_pool {
3121	write_runtime
3122	or warn "ERROR: unable to write runtime file: $!";
3123	};
3124	}
3125
3126	# my $AFTER = Event::time;
3127	# warn $AFTER - $NOW;#d#
3128
3129	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3130	$sig->send;	4378	$sig->send;
3131	}	4379	}
3132	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3133	$sig->send;
3134	}
3135		4381
3136	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3137
3138	# if we are delayed by four ticks or more, skip them all
3139	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3140
3141	$TICK_WATCHER->at ($NEXT_TICK);
3142	$TICK_WATCHER->start;
3143
3144	$LOAD = ($NOW - $tick_start) / $TICK;
3145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3146		4384
3147	_post_tick;	4385	if (0) {
3148		4386	if ($NEXT_TICK) {
3149		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3150	},	4391	}
3151	);	4392	}
3152		4393
3153	{	4394	{
3154	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3155	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3156	reentrant => 0,	4397
3157	fd => BDB::poll_fileno,
3158	poll => 'r',
3159	prio => 0,
3160	data => WF_AUTOCANCEL,
3161	cb => \&BDB::poll_cb,
3162	);
3163	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3164		4399	BDB::max_poll_reqs $TICK * 0.1;
3165	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3166	my $status;
3167	my $current = $Coro::current;
3168	(
3169	sub {
3170	$status = $!;
3171	$current->ready; undef $current;
3172	},
3173	sub {
3174	Coro::schedule while defined $current;
3175	$! = $status;
3176	},
3177	)
3178	};
3179		4401
3180	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3181	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3182		4409
3183	cf::sync_job {	4410	cf::sync_job {
3184	eval {	4411	eval {
3185	BDB::db_env_open	4412	BDB::db_env_open
3186	$DB_ENV,	4413	$DB_ENV,
…		…
3188	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3189	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3190	0666;	4417	0666;
3191		4418
3192	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3193
3194	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3195	$DB_ENV->set_lk_detect;
3196	};	4420	};
3197		4421
3198	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3199	};	4423	};
3200	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3201	}	4437	}
3202		4438
3203	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3204	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3205
3206	undef $Coro::AIO::WATCHER;
3207	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3208	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3209	reentrant => 0,	4446	info "aio initialised";
3210	data => WF_AUTOCANCEL,
3211	fd => IO::AIO::poll_fileno,
3212	poll => 'r',
3213	prio => 6,
3214	cb => \&IO::AIO::poll_cb,
3215	);
3216	}	4447	}
3217		4448
3218	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3219		4451
3220	sub _log_backtrace {	4452	sub _log_backtrace {
3221	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3222		4454
3223	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3224		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3225	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3226	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3227	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3228	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3229	my @bt = fork_call {	4468	my @bt = fork_call {
3230	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3231	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3232	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3233	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3241	}	4480	}
3242		4481
3243	@funcs	4482	@funcs
3244	};	4483	};
3245		4484
3246	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3247	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3248	--$_log_backtrace;	4488	--$_log_backtrace;
3249	};	4489	};
3250	} else {	4490	} else {
3251	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3252	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3253	}	4493	}
3254	}	4494	}
3255		4495
3256	# load additional modules	4496	# load additional modules
3257	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3258		4499
3259	END { cf::emergency_save }	4500	END { cf::emergency_save }
3260		4501
3261	1	4502	1
3262		4503

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