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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.336 by root, Tue Aug 21 00:31:18 2007 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	282	that call.
178		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		307
192	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
277	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
279		529
280	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
281		531
282	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
283		533
284	=cut	534	=cut
285		535
286	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
287		537
288	sub lock_wait($) {	538	sub lock_wait($) {
289	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	540	}
297		541
298	sub lock_acquire($) {	542	sub lock_acquire($) {
299	my ($key) = @_;	543	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	544	}
311		545
312	sub lock_active($) {	546	sub lock_active($) {
313	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	548	}
317		549
318	sub freeze_mainloop {	550	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
320		552
321	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	554	}
323	};	555
324	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
325	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
326	}	569	}
327		570
328	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
329		572
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
333		580
334	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
336		583
337	Useful for short background jobs.	584	Useful for short background jobs.
338		585
339	=cut	586	=cut
340		587
341	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
343		591
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
346	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
347		598
348	while () {	599	while () {
349	next_job:	600	next_job:
		601
350	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	603
352	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	608	$job->[2]->send;
356	Coro::cede;	609	Coro::cede;
357	goto next_job;	610	goto next_job;
358	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	613	}
360	}	614	}
361		615
362	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	619	} else {
		620	$busy = 0;
367	Coro::schedule;	621	Coro::schedule;
368	}	622	}
369	}	623	}
370	};	624	};
371		625
372	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
373	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
374		630
375	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
376	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
377		634
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
391		648
392	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
393		650
394	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
395		652
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	656	acceptable.
400		657
401	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	663	=cut
407		664
408	sub sync_job(&) {	665	sub sync_job(&) {
409	my ($job) = @_;	666	my ($job) = @_;
410		667
411	if ($Coro::current == $Coro::main) {	668	if (in_main) {
412	my $time = Event::time;	669	my $time = AE::time;
413		670
414	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
416		673
417	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	675
419	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
420		677
421	my $busy = 1;	678	my $busy = 1;
422	my @res;	679	my @res;
423		680
424	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	683	@res = eval { $job->() };
426	warn $@ if $@;	684	error $@ if $@;
427	undef $busy;	685	undef $busy;
428	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
429		687
430	while ($busy) {	688	while ($busy) {
431	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
432	}	693	}
		694	}
433		695
434	$time = Event::time - $time;	696	my $time = AE::time - $time;
435		697
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
440		699
441	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
442	} else {	701	} else {
443	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
444		703
…		…
464	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
465		724
466	$coro	725	$coro
467	}	726	}
468		727
469	=item fork_call { }, $args	728	=item fork_call { }, @args
470		729
471	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
475		734
476	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
477		740
478	sub fork_call(&@) {	741	sub fork_call(&@) {
479	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
480		743
481	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)
484
485	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
486	reset_signals;	745	cf::post_fork;
487	&$cb	746	&$cb
488	}, @args;	747	} @args;
489		748
490	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
491	}	788	}
492		789
493	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
494		791
495	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
498		795
499	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
502	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
503		825
504	our $DB;	826	our $DB;
505		827
506	sub db_init {	828	sub db_init {
507	unless ($DB) {	829	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	830	}
522		831
523	sub db_get($$) {	832	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
525		834
526	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
527	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
528		839
529	$! ? ()	840	$! ? ()
530	: $data	841	: $data
531	}
532	}	842	}
533		843
534	sub db_put($$$) {	844	sub db_put($$$) {
535	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		874
565	my @data;	875	my @data;
566	my $md5;	876	my $md5;
567		877
568	for (0 .. $#$src) {	878	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	880	}
572		881
573	# if processing is expensive, check	882	# if processing is expensive, check
574	# checksum first	883	# checksum first
575	if (1) {	884	if (1) {
576	$md5 =	885	$md5 =
577	join "\x00",	886	join "\x00",
578	$processversion,	887	$processversion,
579	map {	888	map {
580	Coro::cede;	889	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	891	} 0.. $#$src;
583		892
584		893
585	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
588		897
589	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
590	}	899	}
591	}	900	}
592		901
593	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
594	my $data = $process->(\@data);	903	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
596		905
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		907
599	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
602		911
…		…
612		921
613	=cut	922	=cut
614		923
615	sub datalog($@) {	924	sub datalog($@) {
616	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	927	}
619		928
620	=back	929	=back
621		930
622	=cut	931	=cut
623		932
624	#############################################################################	933	#############################################################################
625		934
626	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
627		936
628	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
631		940
632	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	943	Deliantra).
635		944
636	=over 4	945	=over 4
637		946
638	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
639		948
…		…
683	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
684		993
685	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
687		996
688	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
690		999
691	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
692		1001
693	=over 4	1002	=over 4
…		…
817		1126
818	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1129
821	} elsif (ref $type) {	1130	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
823		1132
824	} else {	1133	} else {
825	shift @arg;	1134	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
827	}	1136	}
828	}	1137	}
829	}	1138	}
830		1139
831	sub _object_attach {	1140	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
842	}	1151	}
843		1152
844	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
845	} else {	1154	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1156	}
848		1157
849	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
850	}	1159	}
851		1160
…		…
910		1219
911	for (@$callbacks) {	1220	for (@$callbacks) {
912	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
913		1222
914	if ($@) {	1223	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1225	override;
918	}	1226	}
919		1227
920	return 1 if $override;	1228	return 1 if $override;
921	}	1229	}
922		1230
923	0	1231	0
924	}	1232	}
925		1233
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1235
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1237
930	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
931		1239
…		…
937		1245
938	=cut	1246	=cut
939		1247
940	#############################################################################	1248	#############################################################################
941	# object support	1249	# object support
942	#
943		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
944	sub _can_merge {	1284	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
946		1286
947	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1288
951	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
952	}	1291	}
953		1292
954	sub reattach {	1293	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1295	my ($obj) = @_;
957		1296
		1297	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1299
960	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
961		1301
962	@$registry = ();	1302	@$registry = ();
963		1303
…		…
968	for (@$attach) {	1308	for (@$attach) {
969	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
971	}	1311	}
972	} else {	1312	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1314	}
975	}	1315	}
976	}	1316	}
977		1317
978	cf::attachable->attach (	1318	cf::attachable->attach (
979	prio => -1000000,	1319	prio => -1000000,
980	on_instantiate => sub {	1320	on_instantiate => sub {
981	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
982		1322
983	$data = from_json $data;	1323	$data = decode_json $data;
984		1324
985	for (@$data) {	1325	for (@$data) {
986	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
987		1327
988	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1344	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1006		1346
1007	sync_job {	1347	sync_job {
1008	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1011		1353
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1016	close $fh;	1361	aio_close $fh;
1017		1362
1018	if (@$objs) {	1363	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1024	close $fh;	1372	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1374	}
1027	} else {	1375	} else {
1028	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1029	}	1377	}
1030		1378
1031	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1383	} else {
1033	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1034	}	1385	}
1035	} else {	1386	} else {
1036	aio_unlink $filename;	1387	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1038	}	1389	}
1039	}	1390	};
1040	}	1391	}
1041		1392
1042	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1044		1395
…		…
1056	or return;	1407	or return;
1057		1408
1058	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1411	or return;
		1412
1061	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1062	}	1415	}
1063		1416
		1417	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1066	return ($data, $av);	1422	($data, $av)
1067	}	1423	}
1068		1424
1069	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1070		1426
1071	=over 4	1427	=over 4
…		…
1073	=cut	1429	=cut
1074		1430
1075	#############################################################################	1431	#############################################################################
1076	# command handling &c	1432	# command handling &c
1077		1433
1078	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1079		1435
1080	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1081	$name.	1437	$name.
1082		1438
1083	=cut	1439	=cut
…		…
1089	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1090		1446
1091	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1092	}	1448	}
1093		1449
1094	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1095		1451
1096	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1097	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1098	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1099	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1100	has logged in successfully.	1456	has logged in successfully.
1101		1457
1102	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1103	called.
1104		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1105	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1106		1466
1107	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1108	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1109	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1110	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1111	log-in.	1471	log-in.
1112		1472
1113	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1114	called.
1115		1474
1116	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1117		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1118	sub register_extcmd {	1482	sub register_extcmd($$) {
1119	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1120		1484
1121	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1122	}	1486	}
1123		1487
1124	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1125	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1126		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1127	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1128	}	1498	}
1129		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1130	cf::player->attach (	1508	cf::player->attach (
1131	on_command => sub {	1509	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1133		1511
1134	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1135	or return;	1513	or return;
1136		1514
…		…
1144	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1145		1523
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1525
1148	if (ref $msg) {	1526	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1528
1154	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
1156		1544
1157	$pl->ext_reply ($reply, @reply)	1545	$pl->ext_msg ("reply-$reply", @reply)
1158	if $reply;	1546	if $reply;
1159	}	1547	}
		1548
1160	} else {	1549	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1551	}
1163		1552
1164	cf::override;	1553	cf::override;
1165	},	1554	},
1166	);	1555	);
1167		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1168	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1169	cf::sync_job {	1586	cf::sync_job {
1170	my %todo;	1587	my %todo;
1171		1588
1172	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1590	next unless -r $path;
…		…
1191		1608
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1611
1195	$ext{source} =	1612	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1198	. $source	1615	. $source
1199	. "\n};\n1";	1616	. "\n};\n1";
1200		1617
1201	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1202	}	1619	}
1203		1620
		1621	my $pass = 0;
1204	my %done;	1622	my %done;
1205	while (%todo) {	1623	while (%todo) {
1206	my $progress;	1624	my $progress;
1207		1625
		1626	++$pass;
		1627
		1628	ext:
1208	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1631	next ext
1211	unless exists $done{$_};	1632	unless exists $done{$_};
1212	}	1633	}
1213		1634
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1636
1216	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1221	warn $msg;	1653
1222	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1655	delete $todo{$k};
1224	}	1656	} else {
1225		1657	$done{$k} = delete $todo{$k};
1226	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1227	}	1663	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1664	}
1233		1665
1234	skip:	1666	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1237	}	1676	}
1238	};	1677	};
1239	}	1678	}
1240		1679
1241	#############################################################################	1680	#############################################################################
1242		1681
1243	=back	1682	=back
1244		1683
1245	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1246		1685
1247	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1248		1687
1249	=cut	1688	=cut
1250		1689
1251	package cf::player;	1690	package cf::player;
1252		1691
1253	use Coro::AIO;	1692	use Coro::AIO;
1254		1693
1255	=head3 cf::player	1694	=head3 cf::player
1256		1695
1257	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1258		1711
1259	=item cf::player::find $login	1712	=item cf::player::find $login
1260		1713
1261	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1262		1715
…		…
1281		1734
1282	sub exists($) {	1735	sub exists($) {
1283	my ($login) = @_;	1736	my ($login) = @_;
1284		1737
1285	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1287	}	1740	}
1288		1741
1289	sub find($) {	1742	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1744	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1755
1303	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1306	}	1765	}
1307	}	1766	}
1308	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1309		1781
1310	sub save($) {	1782	sub save($) {
1311	my ($pl) = @_;	1783	my ($pl) = @_;
1312		1784
1313	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1319		1791
1320	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1322		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1323	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1324	Coro::cede;	1801	cf::cede_to_tick;
1325	}	1802	}
1326		1803
1327	sub new($) {	1804	sub new($) {
1328	my ($login) = @_;	1805	my ($login) = @_;
1329		1806
…		…
1358	my ($pl) = @_;	1835	my ($pl) = @_;
1359		1836
1360	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1361		1838
1362	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1841
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1368	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1369		1850
1370	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1407	or return [];	1888	or return [];
1408		1889
1409	my @logins;	1890	my @logins;
1410		1891
1411	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1415		1902
1416	utf8::decode $login;	1903	utf8::decode $login;
1417	push @logins, $login;	1904	push @logins, $login;
1418	}	1905	}
1419		1906
1420	\@logins	1907	\@logins
1421	}	1908	}
1422		1909
1423	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1424		1913
1425	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1426	player. May block.	1915	player. May block.
1427		1916
1428	=cut	1917	=cut
…		…
1446	}	1935	}
1447		1936
1448	\@paths	1937	\@paths
1449	}	1938	}
1450		1939
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1941
1453	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500
1501	=item $player->ext_reply ($msgid, @msg)
1502
1503	Sends an ext reply to the player.
1504
1505	=cut
1506
1507	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;
1509
1510	$self->ns->ext_reply ($id, @msg)
1511	}
1512		1943
1513	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1514		1945
1515	Sends an ext event to the client.	1946	Sends an ext event to the client.
1516		1947
…		…
1536		1967
1537	=cut	1968	=cut
1538		1969
1539	sub find_by_path($) {	1970	sub find_by_path($) {
1540	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1541		1974
1542	my ($match, $specificity);	1975	my ($match, $specificity);
1543		1976
1544	for my $region (list) {	1977	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1573		2006
1574	sub generate_random_map {	2007	sub generate_random_map {
1575	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1577	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	2013	}
1591		2014
1592	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1593		2016
1594	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
…		…
1599		2022
1600	sub register {	2023	sub register {
1601	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	2025	my $pkg = caller;
1603		2026
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		2028
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	2030	}
1609		2031
1610	# also paths starting with '/'	2032	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		2034
1613	sub thawer_merge {	2035	sub thawer_merge {
1614	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1615		2037
1616	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1621	}	2043	}
1622		2044
1623	sub normalise {	2045	sub normalise {
1624	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1625		2047
1626	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1627		2049
1628	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1629		2051
1630	# map plan:	2052	# map plan:
1631	#	2053	#
…		…
1646	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	2069	$path = "$base/$path";
1648	}	2070	}
1649		2071
1650	for ($path) {	2072	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1654	}	2075	}
1655		2076
1656	$path	2077	$path
…		…
1670	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1671	return $self;	2092	return $self;
1672	}	2093	}
1673	}	2094	}
1674		2095
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	2097	()
1677	}	2098	}
1678		2099
		2100	# may re-bless or do other evil things
1679	sub init {	2101	sub init {
1680	my ($self) = @_;	2102	my ($self) = @_;
1681		2103
1682	$self	2104	$self
1683	}	2105	}
…		…
1702		2124
1703	# the temporary/swap location	2125	# the temporary/swap location
1704	sub save_path {	2126	sub save_path {
1705	my ($self) = @_;	2127	my ($self) = @_;
1706		2128
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1709	}	2131	}
1710		2132
1711	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1712	sub uniq_path {	2134	sub uniq_path {
1713	my ($self) = @_;	2135	my ($self) = @_;
1714		2136
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2139	}
1727		2140
1728	sub decay_objects {	2141	sub decay_objects {
1729	my ($self) = @_;	2142	my ($self) = @_;
1730		2143
…		…
1743		2156
1744	sub load_header_from($) {	2157	sub load_header_from($) {
1745	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1746		2159
1747	utf8::encode $path;	2160	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2162	or return;
1753		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1754	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1755		2171
1756	1	2172	1
1757	}	2173	}
1758		2174
		2175	# used to laod the header of an original map
1759	sub load_header_orig {	2176	sub load_header_orig {
1760	my ($self) = @_;	2177	my ($self) = @_;
1761		2178
1762	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1763	}	2180	}
1764		2181
		2182	# used to laod the header of an instantiated map
1765	sub load_header_temp {	2183	sub load_header_temp {
1766	my ($self) = @_;	2184	my ($self) = @_;
1767		2185
1768	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1769	}	2187	}
1770		2188
		2189	# called after loading the header from an instantiated map
1771	sub prepare_temp {	2190	sub prepare_temp {
1772	my ($self) = @_;	2191	my ($self) = @_;
1773		2192
1774	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1775	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1776	# safety	2195	# safety
1777	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1778	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1779	}	2198	}
1780		2199
		2200	# called after loading the header from an original map
1781	sub prepare_orig {	2201	sub prepare_orig {
1782	my ($self) = @_;	2202	my ($self) = @_;
1783		2203
1784	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1785	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1809		2229
1810	sub find;	2230	sub find;
1811	sub find {	2231	sub find {
1812	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1813		2233
		2234	cf::cede_to_tick;
		2235
1814	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1815		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2240
1818	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1821	or return;	2243	or return;
1822		2244
1823	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1824		2246
…		…
1826	or return;	2248	or return;
1827		2249
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1831	$map->reset;	2255	$map->reset;
1832	undef $guard;
1833	return find $path;	2256	return find $path;
1834	}	2257	}
1835		2258
1836	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1837	}	2260	}
1838	}	2261	}
1839		2262
1840	sub pre_load { }	2263	sub pre_load { }
1841	sub post_load { }	2264	#sub post_load { } # XS
1842		2265
1843	sub load {	2266	sub load {
1844	my ($self) = @_;	2267	my ($self) = @_;
1845		2268
1846	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1847		2270
1848	my $path = $self->{path};	2271	my $path = $self->{path};
1849		2272
1850	{	2273	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1852		2275
		2276	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1854
1855	$self->in_memory (cf::MAP_LOADING);
1856		2278
1857	$self->alloc;	2279	$self->alloc;
1858		2280
1859	$self->pre_load;	2281	$self->pre_load;
1860	Coro::cede;	2282	cf::cede_to_tick;
1861		2283
1862	$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)
1863	or return;	2288	or return;
1864		2289
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1866	if delete $self->{load_original};	2291	if delete $self->{load_original};
1867		2292
1868	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2294	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2297	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1873	}	2302	}
1874	}
1875		2303
1876	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;
1877	# now do the right thing for maps	2313	# now do the right thing for maps
1878	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2316	unless $self->difficulty;
1881	Coro::cede;	2317	cf::cede_to_tick;
1882		2318
1883	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2320	$self->decay_objects;
1885	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1886	$self->update_buttons;	2322	$self->update_buttons;
1887	Coro::cede;	2323	cf::cede_to_tick;
1888	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1889	Coro::cede;
1890	$self->activate;
1891	}	2325	}
1892		2326
1893	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1895
1896	$self->in_memory (cf::MAP_IN_MEMORY);
1897	}	2329	}
1898		2330
1899	$self->post_load;	2331	$self->post_load;
1900	}
1901		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
1902	sub customise_for {	2339	sub customise_for {
1903	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1904		2341
1905	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2343	if $self->per_player;
…		…
1909	# if $self->per_party;	2346	# if $self->per_party;
1910		2347
1911	$self	2348	$self
1912	}	2349	}
1913		2350
1914	# find and load all maps in the 3x3 area around a map
1915	sub load_neighbours {
1916	my ($map) = @_;
1917
1918	my @neigh; # diagonal neighbours
1919
1920	for (0 .. 3) {
1921	my $neigh = $map->tile_path ($_)
1922	or next;
1923	$neigh = find $neigh, $map
1924	or next;
1925	$neigh->load;
1926
1927	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}
1931
1932	for (grep defined $_->[0], @neigh) {
1933	my ($path, $origin) = @$_;
1934	my $neigh = find $path, $origin
1935	or next;
1936	$neigh->load;
1937	}
1938	}
1939
1940	sub find_sync {	2351	sub find_sync {
1941	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1942		2353
1943	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
1944	}	2359	}
1945		2360
1946	sub do_load_sync {	2361	sub do_load_sync {
1947	my ($map) = @_;	2362	my ($map) = @_;
1948		2363
1949	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;
1950	}	2369	}
1951		2370
1952	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1954		2373
1955	sub find_async {	2374	sub find_async {
1956	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1957		2376
1958	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1959		2378
1960	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1962	}	2381	}
1963		2382
1964	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1965	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1966	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2390	if (my $map = find $k) {
1969	$map->load;	2391	$map->load if $v;
1970	}	2392	}
1971		2393
1972	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1973	}	2395	}
1974	}	2396	}
1975	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1976	};	2398	};
1977	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1978		2400
1979	()	2401	()
1980	}	2402	}
1981		2403
		2404	# common code, used by both ->save and ->swapout
1982	sub save {	2405	sub _save {
1983	my ($self) = @_;	2406	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2407
1987	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1988		2409
1989	return unless $self->dirty;	2410	return unless $self->dirty;
1990		2411
…		…
1996	return if $self->{deny_save};	2417	return if $self->{deny_save};
1997		2418
1998	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1999		2420
2000	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2002	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2003		2427
2004	if ($uniq) {	2428	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2431	} else {
2008	$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);
2009	}	2433	}
2010	}	2434	}
2011		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2012	sub swap_out {	2444	sub swap_out {
2013	my ($self) = @_;	2445	my ($self) = @_;
2014		2446
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2020	return if $self->players;	2451	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		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
2024	$self->clear;	2462	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2463	}
2027		2464
2028	sub reset_at {	2465	sub reset_at {
2029	my ($self) = @_;	2466	my ($self) = @_;
2030		2467
…		…
2048		2485
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2487
2051	return if $self->players;	2488	return if $self->players;
2052		2489
2053	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2054		2491
2055	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2056		2493
2057	# need to save uniques path	2494	# need to save uniques path
2058	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2059	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2060		2497
…		…
2062	if $uniq;	2499	if $uniq;
2063	}	2500	}
2064		2501
2065	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2066		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2506	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2507
2071	$self->unlink_save;	2508	$self->unlink_save;
2072	$self->destroy;	2509	$self->destroy;
2073	}	2510	}
2074		2511
2075	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2076		2513
2077	sub nuke {	2514	sub nuke {
2078	my ($self) = @_;	2515	my ($self) = @_;
2079		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2080	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2081		2521
2082	$self->unlink_save;	2522	$self->unlink_save;
2083		2523
2084	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2529
2090	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2091		2532
2092	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2093	}	2534	}
2094		2535
2095	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2137		2578
2138	sub unique_maps() {	2579	sub unique_maps() {
2139	[	2580	[
2140	map {	2581	map {
2141	utf8::decode $_;	2582	utf8::decode $_;
2142	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2143	? normalise $_	2586	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2588	]
2147	}	2589	}
2148		2590
2149	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	}
2150		2622
2151	=back	2623	=back
2152		2624
2153	=head3 cf::object	2625	=head3 cf::object
2154		2626
…		…
2158		2630
2159	=over 4	2631	=over 4
2160		2632
2161	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2162		2634
2163	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.
2164		2637
2165	=cut	2638	=cut
2166		2639
2167	sub inv_recursive_;	2640	sub inv_recursive_;
2168	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2171		2644
2172	sub inv_recursive {	2645	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2174	}	2647	}
2175		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
2176	package cf;	2677	package cf;
2177		2678
2178	=back	2679	=back
2179		2680
2180	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2186	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>
2187	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
2188	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2189		2690
2190	=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	};
2191		2706
2192	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2708	# with dialog boxes.
2194	#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
2195	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2724
2210	} else {	2725	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2728	}
2214	}	2729	}
2215	}	2730	}
2216		2731
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2757
2243	=item $player_object->enter_link	2758	=item $player_object->enter_link
2244		2759
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2761
2247	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2249		2766
2250	Will never block.	2767	Will never block.
2251		2768
2252	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2253		2770
…		…
2273	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2791	my ($self) = @_;
2275		2792
2276	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2277		2794
		2795	++$self->{_link_recursion};
		2796
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2798
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2282		2801
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2803	}
2285		2804
2286	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2288		2807
…		…
2305	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2307		2826
2308	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2311		2830
2312	$map->load;	2831	$map->load;
2313	$map->load_neighbours;
2314		2832
2315	return unless $self->contr->active;	2833	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2834
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2320	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2321		2842
		2843	}
		2844
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2846
2324	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2851	be called at the end of this process.
2329		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
2330	=cut	2856	=cut
2331		2857
2332	our $GOTOGEN;	2858	our $GOTOGEN;
2333		2859
2334	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
2337	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2871
2340	$self->enter_link;	2872	$self->enter_link;
2341		2873
2342	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
2343	my $map = eval {	2896	my $map = eval {
2344	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2345		2898
2346	if ($map) {	2899	if ($map) {
2347	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2902	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2904	}
2352		2905
2353	$map	2906	$map
2354	};	2907	};
2355		2908
…		…
2361	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2364	}	2917	}
2365		2918
2366	$done->() if $done;	2919	$done->($self) if $done;
2367	})->prio (1);	2920	})->prio (1);
2368	}	2921	}
2369		2922
2370	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2371		2924
…		…
2391	}	2944	}
2392		2945
2393	sub prepare_random_map {	2946	sub prepare_random_map {
2394	my ($exit) = @_;	2947	my ($exit) = @_;
2395		2948
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2951	# that depends on the exit object
2401		2952
2402	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2955	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2409	}	2962	}
2410		2963
2411	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2412		2965
2413	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2416		2969
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2972	undef $fh;
2420	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2421		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2424	}	2981	}
2425	}	2982	}
2426		2983
2427	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2429		2986
2430	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2431		2988
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2989	$self->enter_link;
2444		2990
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2991	(async {
2450	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2451	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2452	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2453		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2454	1;	3030	1
2455	}) {	3031	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2460		3036
2461	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	3038	$self->leave_link;
2463	}	3039	}
2464	})->prio (1);	3040	})->prio (1);
2465	}	3041	}
2466		3042
2467	=head3 cf::client	3043	=head3 cf::client
2468		3044
2469	=over 4	3045	=over 4
2470		3046
2471	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2472		3048
2473	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2474	should not be used under normal circumstances.	3050	them as required.
2475		3051
2476	=cut	3052	=cut
2477		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2478	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2479	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2480		3058
2481	utf8::encode $text;	3059	# try lzf for large packets
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2483	}	3070	}
2484		3071
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		3073
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2488	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2491		3078
2492	=cut	3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
2493		3200
2494	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3203
2497	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2498		3206
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2501	if (ref $channel) {	3216	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3220	$self->ext_msg (channel_info => $channel);
2506	}	3221	}
…		…
2508	$channel = $channel->{id};	3223	$channel = $channel->{id};
2509	}	3224	}
2510		3225
2511	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2512		3227
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3228	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2517		3231
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3235	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3236
2532	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3238	}
2546		3239
2547	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2548		3241
2549	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2551	=cut	3244	=cut
2552		3245
2553	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2555		3248
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}
2564	}
2565
2566	=item $client->ext_reply ($msgid, @msg)
2567
2568	Sends an ext reply to the client.
2569
2570	=cut
2571
2572	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;
2574
2575	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {
2578	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}
2582	}	3250	}
2583		3251
2584	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2585		3253
2586	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2606		3274
2607	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2608	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2609		3277
2610	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2611	}	3317	}
2612		3318
2613	cf::client->attach (	3319	cf::client->attach (
2614	on_connect => sub {	3320	on_connect => sub {
2615	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2641	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2642		3348
2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2644		3350
2645	if (ref $msg) {	3351	if (ref $msg) {
2646	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2647	"ARRAY" eq ref $msg
2648	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3353
2651	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
2653		3369
2654	$ns->ext_reply ($reply, @reply)	3370	$ns->ext_msg ("reply-$reply", @reply)
2655	if $reply;	3371	if $reply;
2656	}	3372	}
2657	} else {	3373	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3375	}
2660		3376
2661	cf::override;	3377	cf::override;
2662	},	3378	},
2663	);	3379	);
…		…
2683		3399
2684	$coro	3400	$coro
2685	}	3401	}
2686		3402
2687	cf::client->attach (	3403	cf::client->attach (
2688	on_destroy => sub {	3404	on_client_destroy => sub {
2689	my ($ns) = @_;	3405	my ($ns) = @_;
2690		3406
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3408	},
2693	);	3409	);
…		…
2709	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2710		3426
2711	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2712		3428
2713	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
2716	sort time	3432	sort time
2717	));	3433	));
2718		3434
2719	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
2721	=pod	3437	=pod
2722		3438
2723	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2724		3440
2725	cf::object	3441	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3442	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3443	insert remove name archname title slaying race decrease split
		3444	value
2728		3445
2729	cf::object::player	3446	cf::object::player
2730	player	3447	player
2731		3448
2732	cf::player	3449	cf::player
…		…
2737		3454
2738	=cut	3455	=cut
2739		3456
2740	for (	3457	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2746	) {	3464	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3467	for @funs;
2751	}	3468	}
2752		3469
…		…
2767		3484
2768	my $qcode = $code;	3485	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2771		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2772	local $_;	3492	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3493
2775	my $eval =	3494	my $eval =
2776	"do {\n"	3495	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3498	. $code
2780	. "\n}"	3499	. "\n}"
2781	;	3500	;
2782		3501
		3502	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2786		3511
2787	if ($@) {	3512	if ($@) {
2788	warn "$@";	3513	warn "$@",
2789	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2791	}	3516	}
2792		3517
2793	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2794	}	3519	}
2795		3520
…		…
2809	=cut	3534	=cut
2810		3535
2811	sub register_script_function {	3536	sub register_script_function {
2812	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2813		3538
2814	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2816	}	3541	}
2817		3542
2818	=back	3543	=back
2819		3544
2820	=cut	3545	=cut
2821		3546
2822	#############################################################################	3547	#############################################################################
2823	# the server's init and main functions	3548	# the server's init and main functions
2824		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2825	sub load_facedata($) {	3627	sub load_facedata($) {
2826	my ($path) = @_;	3628	my ($path) = @_;
2827		3629
2828	my $enc = JSON::XS->new->utf8->canonical;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3631
2830	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2831		3633
2832	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3635
2838	$facedata->{version} == 2	3636	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2840		3638
2841	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2842	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2843	type => FT_RSRC,	3641
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2845	};	3643
2846	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2847		3647
2848	{	3648	{
2849	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2850		3650
2851	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2853	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2857		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2858	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2859	}	3662	}
2860		3663
2861	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2863	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2864	or next;	3668	or next;
		3669
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3673	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3675	}
2871
2872	cf::cede_to_tick;
2873	}	3676	}
2874	}	3677	}
2875		3678
2876	{	3679	{
2877	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2878		3681
2879	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2880	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2881	cf::cede_to_tick;
2882	}	3684	}
2883		3685
2884	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2885	}	3687	}
2886		3688
2887	{	3689	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
2891		3691
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3696
2898	if ($info->{type} & 1) {	3697	cf::face::set_type $idx, $type;
2899	# prepend meta info	3698	cf::face::set_csum $idx, 0, $info->{hash};
2900		3699	$cf::face::SIZE[0][$idx] = $info->{size};
2901	my $meta = $enc->encode ({	3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
2902	name => $name,	3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2903	%{ $info->{meta} || {} },	3702	$cf::face::HASH{$info->{hash}} = $idx;
2904	});	3703	} else {
2905		3704	# $RESOURCE{$name} = $info; # unused
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	}	3705	}
2908
2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2910	cf::face::set_type $idx, $info->{type};
2911
2912	cf::cede_to_tick;
2913	}
2914
2915	if ($soundconf) {
2916	$soundconf = $enc->decode (delete $soundconf->{data});
2917
2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2919	my $sound = $soundconf->{compat}[$_]
2920	or next;
2921
2922	my $face = cf::face::find "sound/$sound->[1]";
2923	cf::sound::set $sound->[0] => $face;
2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2925	}	3706	}
2926
2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
2928	my $face = cf::face::find "sound/$v";
2929	cf::sound::set $k => $face;
2930	}
2931	}
2932	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
2933		3722
2934	1	3723	1
2935	}	3724	}
2936		3725
2937	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
…		…
2940	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
2941	$ns->fx_want ($k, $v);	3730	$ns->fx_want ($k, $v);
2942	}	3731	}
2943	};	3732	};
2944		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2945	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2946	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2947	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
2948		3765
2949	for (cf::region::list) {	3766	for (cf::region::list) {
2950	$_->{match} = qr/$_->{match}/	3767	$_->{match} = qr/$_->{match}/
2951	if exists $_->{match};	3768	if exists $_->{match};
2952	}	3769	}
2953	}	3770	}
2954		3771
2955	sub reload_facedata {	3772	sub reload_facedata {
2956	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2957	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2958	}	3775	}
2959		3776
2960	sub reload_archetypes {	3777	sub reload_archetypes {
2961	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2962	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
2963	#d# NEED to laod twice to resolve forward references	3780
2964	# this really needs to be done in an extra post-pass	3781	cf::face::set
2965	# (which needs to be synchronous, so solve it differently)	3782	"res/skill_info" => FT_RSRC,
2966	load_resource_file "$DATADIR/archetypes"	3783	JSON::XS->new->utf8->canonical->encode (
2967	or die "unable to load archetypes\n";	3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
2968	}	3792	}
2969		3793
2970	sub reload_treasures {	3794	sub reload_treasures {
2971	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
2972	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
2973	}	3797	}
2974		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
2975	sub reload_resources {	3819	sub reload_resources {
2976	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
2977		3821
		3822	reload_materials;
		3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
		3826	reload_archetypes;
2978	reload_regions;	3827	reload_regions;
2979	reload_facedata;
2980	#reload_archetypes;#d#
2981	reload_archetypes;
2982	reload_treasures;	3828	reload_treasures;
2983		3829
2984	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
2985	}	3831	}
2986		3832
2987	sub init {	3833	sub reload_config {
2988	reload_resources;	3834	trace "reloading config file...\n";
2989	}
2990		3835
2991	sub cfg_load {	3836	my $config = load_file "$CONFDIR/config";
2992	open my $fh, "<:utf8", "$CONFDIR/config"	3837	utf8::decode $config;
2993	or return;	3838	*CFG = decode_yaml $config;
2994		3839
2995	local $/;
2996	*CFG = YAML::Syck::Load <$fh>;
2997
2998	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2999		3841
3000	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3001	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3002		3844
3003	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
3007	};	3849	};
3008	warn $@ if $@;	3850	warn $@ if $@;
3009	}	3851	}
3010	}	3852	}
3011		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
3012	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
3013	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
3014	local $Coro::idle = sub {	3893	$Coro::idle = sub {
3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3016	(async {	3895	(async {
3017	Event::one_event;	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3897	EV::loop EV::LOOP_ONESHOT;
3018	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
3019	};	3899	};
3020		3900
3021	cfg_load;	3901	evthread_start IO::AIO::poll_fileno;
		3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
3022	db_init;	3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
		3915	reload_config;
		3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
3023	load_extensions;	3925	load_extensions;
3024		3926
3025	$TICK_WATCHER->start;	3927	utime time, time, $RUNTIMEFILE;
3026	Event::loop;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
		3934	};
		3935
		3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
3027	}	3944	}
3028		3945
3029	#############################################################################	3946	#############################################################################
3030	# initialisation and cleanup	3947	# initialisation and cleanup
3031		3948
3032	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
3033	BEGIN {	3950	BEGIN {
		3951	our %SIGWATCHER = ();
3034	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
3035	Event->signal (	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3036	reentrant => 0,
3037	data => WF_AUTOCANCEL,
3038	signal => $signal,
3039	prio => 0,
3040	cb => sub {
3041	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
3042	},
3043	);	3955	};
3044	}	3956	}
3045	}	3957	}
3046		3958
3047	sub write_runtime {	3959	sub write_runtime_sync {
3048	my $runtime = "$LOCALDIR/runtime";	3960	my $t0 = AE::time;
3049		3961
3050	# first touch the runtime file to show we are still running:	3962	# first touch the runtime file to show we are still running:
3051	# the fsync below can take a very very long time.	3963	# the fsync below can take a very very long time.
3052		3964
3053	IO::AIO::aio_utime $runtime, undef, undef;	3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3054		3966
3055	my $guard = cf::lock_acquire "write_runtime";	3967	my $guard = cf::lock_acquire "write_runtime";
3056		3968
3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3058	or return;	3970	or return;
3059		3971
3060	my $value = $cf::RUNTIME + 90 + 10;	3972	my $value = $cf::RUNTIME + 90 + 10;
3061	# 10 is the runtime save interval, for a monotonic clock	3973	# 10 is the runtime save interval, for a monotonic clock
3062	# 60 allows for the watchdog to kill the server.	3974	# 60 allows for the watchdog to kill the server.
…		…
3072	aio_utime $fh, undef, undef;	3984	aio_utime $fh, undef, undef;
3073		3985
3074	close $fh	3986	close $fh
3075	or return;	3987	or return;
3076		3988
3077	aio_rename "$runtime~", $runtime	3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3078	and return;	3990	and return;
3079		3991
3080	warn "runtime file written.\n";	3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3081		3993
3082	1	3994	1
		3995	}
		3996
		3997	our $uuid_lock;
		3998	our $uuid_skip;
		3999
		4000	sub write_uuid_sync($) {
		4001	$uuid_skip ||= $_[0];
		4002
		4003	return if $uuid_lock;
		4004	local $uuid_lock = 1;
		4005
		4006	my $uuid = "$LOCALDIR/uuid";
		4007
		4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4009	or return;
		4010
		4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
		4019	$uuid_skip = 0;
		4020
		4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4022	and return;
		4023
		4024	# always fsync - this file is important
		4025	aio_fsync $fh
		4026	and return;
		4027
		4028	close $fh
		4029	or return;
		4030
		4031	aio_rename "$uuid~", $uuid
		4032	and return;
		4033
		4034	trace "uuid file written ($value).\n";
		4035
		4036	1
		4037
		4038	}
		4039
		4040	sub write_uuid($$) {
		4041	my ($skip, $sync) = @_;
		4042
		4043	$sync ? write_uuid_sync $skip
		4044	: async { write_uuid_sync $skip };
3083	}	4045	}
3084		4046
3085	sub emergency_save() {	4047	sub emergency_save() {
3086	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
3087		4049
3088	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
3089		4056
3090	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
3091	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
3092	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
3093	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
3094	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
3095	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
3096	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
3097	$pl->valid or next;	4066	$pl->valid or next;
		4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3098	$pl->save;	4068	$pl->save;
3099	}	4069	}
3100	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
3101		4071
3102	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
3103	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
3104	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
3105	$map->valid or next;	4077	$map->valid or next;
3106	$map->save;	4078	$map->save;
3107	}	4079	}
3108	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
3109		4081
3110	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
3111	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
3112	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
		4087
		4088	info "emergency_perl_save: begin write uuid\n";
		4089	write_uuid_sync 1;
		4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
3113	};	4110	};
3114		4111
3115	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
3116	}	4113	}
3117		4114
3118	sub post_cleanup {	4115	sub post_cleanup {
3119	my ($make_core) = @_;	4116	my ($make_core) = @_;
3120		4117
		4118	IO::AIO::flush;
		4119
3121	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
3122	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
3123	}	4150	}
3124		4151
3125	sub do_reload_perl() {	4152	sub do_reload_perl() {
3126	# can/must only be called in main	4153	# can/must only be called in main
3127	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
3128	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
3129	return;	4156	return;
3130	}	4157	}
3131		4158
3132	warn "reloading...";	4159	return if $RELOAD++;
3133		4160
3134	warn "entering sync_job";	4161	my $t1 = AE::time;
3135		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
3136	cf::sync_job {	4169	cf::sync_job {
3137	cf::write_runtime; # external watchdog should not bark
3138	cf::emergency_save;	4170	#cf::emergency_save;
3139	cf::write_runtime; # external watchdog should not bark
3140		4171
3141	warn "syncing database to disk";
3142	BDB::db_env_txn_checkpoint $DB_ENV;
3143
3144	# if anything goes wrong in here, we should simply crash as we already saved
3145
3146	warn "cancelling all WF_AUTOCANCEL watchers";
3147	for (Event::all_watchers) {
3148	$_->cancel if $_->data & WF_AUTOCANCEL;
3149	}
3150
3151	warn "flushing outstanding aio requests";
3152	for (;;) {
3153	BDB::flush;
3154	IO::AIO::flush;
3155	Coro::cede;
3156	last unless IO::AIO::nreqs || BDB::nreqs;
3157	warn "iterate...";
3158	}
3159
3160	++$RELOAD;
3161
3162	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
3163	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
3164	%EXT_CORO = ();	4174	%EXT_CORO = ();
3165		4175
3166	warn "removing commands";	4176	trace "perl_reload: removing commands";
3167	%COMMAND = ();	4177	%COMMAND = ();
3168		4178
3169	warn "removing ext/exti commands";	4179	trace "perl_reload: removing ext/exti commands";
3170	%EXTCMD = ();	4180	%EXTCMD = ();
3171	%EXTICMD = ();	4181	%EXTICMD = ();
3172		4182
3173	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
3174	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
3175	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
3176		4186
3177	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
3178	eval {	4188	eval {
3179	$cb->($pkg);	4189	$cb->($pkg);
3180	1	4190	1
3181	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
3182	}	4196	}
3183		4197
3184	warn "... nuking $pkg";
3185	Symbol::delete_package $pkg;
3186	}
3187
3188	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3189	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3191		4201
3192	warn "... unloading $k";	4202	trace "... unloading $k";
3193	delete $INC{$k};	4203	delete $INC{$k};
3194		4204
3195	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
3196	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
3197		4207
3198	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
3199	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
3200	}	4213	}
3201		4214
3202	Symbol::delete_package $k;
3203	}
3204
3205	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
3206	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3208		4218
3209	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
3210	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
3211	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3212		4222
3213	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
3214	# and global variables created in xs	4224	# and global variables created in xs
3215	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
3216		4226
3217	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
3218		4228
3219	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
3220	require cf;	4230	require cf;
3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
3222		4232
3223	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
3224	cf::cfg_load;	4234	cf::reload_config;
3225		4235
3226	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
3227	cf::load_extensions;	4237	cf::load_extensions;
3228		4238
		4239	if ($REATTACH_ON_RELOAD) {
3229	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
3230	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
3231	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
3232	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
3233	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
3234	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
3235		4247
3236	warn "leaving sync_job";	4248	cf::_post_init 1;
3237		4249
		4250	trace "perl_reload: leaving sync_job";
		4251
3238	1	4252	1
3239	} or do {	4253	} or do {
3240	warn $@;	4254	error $@;
3241	warn "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
3242	exit 1;	4256	};
		4257
		4258	--$RELOAD;
3243	};	4259	}
3244		4260
3245	warn "reloaded";	4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
3246	};	4263	};
3247		4264
3248	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
3249		4266
3250	sub reload_perl() {	4267	sub reload_perl() {
3251	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
3252	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
3253		4270
3254	$RELOAD_WATCHER ||= Event->timer (	4271	$RELOAD_WATCHER ||= cf::async {
3255	reentrant => 0,	4272	Coro::AIO::aio_wait cache_extensions;
3256	after => 0,	4273
3257	data => WF_AUTOCANCEL,	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3258	cb => sub {
3259	do_reload_perl;	4275	do_reload_perl;
3260	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
3261	},	4277	};
3262	);	4278	};
3263	}	4279	}
3264		4280
3265	register_command "reload" => sub {	4281	register_command "reload" => sub {
3266	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
3267		4283
3268	if ($who->flag (FLAG_WIZ)) {	4284	if ($who->flag (FLAG_WIZ)) {
3269	$who->message ("reloading server.");	4285	$who->message ("reloading server.");
		4286	async {
		4287	$Coro::current->{desc} = "perl_reload";
3270	async { reload_perl };	4288	reload_perl;
		4289	};
3271	}	4290	}
3272	};	4291	};
3273		4292
3274	unshift @INC, $LIBDIR;	4293	#############################################################################
3275		4294
3276	my $bug_warning = 0;	4295	my $bug_warning = 0;
3277		4296
3278	our @WAIT_FOR_TICK;
3279	our @WAIT_FOR_TICK_BEGIN;
3280
3281	sub wait_for_tick {	4297	sub wait_for_tick() {
3282	return unless $TICK_WATCHER->is_active;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3283	return if $Coro::current == $Coro::main;
3284		4299
3285	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
3286	push @WAIT_FOR_TICK, $signal;
3287	$signal->wait;
3288	}	4301	}
3289		4302
3290	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
3291	return unless $TICK_WATCHER->is_active;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3292	return if $Coro::current == $Coro::main;
3293		4305
3294	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
3295	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
3296	$signal->wait;	4308	$signal->wait;
3297	}	4309	}
3298		4310
3299	my $min = 1e6;#d#	4311	sub tick {
3300	my $avg = 10;
3301	$TICK_WATCHER = Event->timer (
3302	reentrant => 0,
3303	parked => 1,
3304	prio => 0,
3305	at => $NEXT_TICK || $TICK,
3306	data => WF_AUTOCANCEL,
3307	cb => sub {
3308	if ($Coro::current != $Coro::main) {	4312	if ($Coro::current != $Coro::main) {
3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3310	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
3311	return;	4315	return;
3312	}	4316	}
3313		4317
3314	$NOW = $tick_start = Event::time;	4318	cf::one_tick; # one server iteration
3315		4319
3316	cf::server_tick; # one server iteration	4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3317		4321
3318	0 && sync_job {#d#	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3319	for(1..10) {	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3320	my $t = Event::time;	4324	Coro::async_pool {
3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4325	$Coro::current->{desc} = "runtime saver";
3322	or die;	4326	write_runtime_sync
3323		4327	or error "ERROR: unable to write runtime file: $!";
3324	$map->width (50);
3325	$map->height (50);
3326	$map->alloc;
3327	$map->_load_objects ("/tmp/x.map", 1);
3328	my $t = Event::time - $t;
3329
3330	#next unless $t < 0.0013;#d#
3331	if ($t < $min) {
3332	$min = $t;
3333	}
3334	$avg = $avg * 0.99 + $t * 0.01;
3335	}
3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3337	exit 0;
3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3339	};	4328	};
		4329	}
3340		4330
3341	$RUNTIME += $TICK;
3342	$NEXT_TICK += $TICK;
3343
3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
3346	Coro::async_pool {
3347	write_runtime
3348	or warn "ERROR: unable to write runtime file: $!";
3349	};
3350	}
3351
3352	# my $AFTER = Event::time;
3353	# warn $AFTER - $NOW;#d#
3354
3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3356	$sig->send;	4332	$sig->send;
3357	}	4333	}
3358	while (my $sig = shift @WAIT_FOR_TICK) {	4334	$WAIT_FOR_TICK->broadcast;
3359	$sig->send;
3360	}
3361		4335
3362	$NOW = Event::time;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
3363
3364	# if we are delayed by four ticks or more, skip them all
3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3366
3367	$TICK_WATCHER->at ($NEXT_TICK);
3368	$TICK_WATCHER->start;
3369
3370	$LOAD = ($NOW - $tick_start) / $TICK;
3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3372		4338
3373	_post_tick;	4339	if (0) {
3374		4340	if ($NEXT_TICK) {
3375		4341	my $jitter = $TICK_START - $NEXT_TICK;
		4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4343	debug "jitter $JITTER\n";#d#
		4344	}
3376	},	4345	}
3377	);	4346	}
3378		4347
3379	{	4348	{
3380	BDB::max_poll_time $TICK * 0.1;	4349	# configure BDB
3381	$BDB_POLL_WATCHER = Event->io (	4350	info "initialising database";
3382	reentrant => 0,	4351
3383	fd => BDB::poll_fileno,
3384	poll => 'r',
3385	prio => 0,
3386	data => WF_AUTOCANCEL,
3387	cb => \&BDB::poll_cb,
3388	);
3389	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
3390		4353	BDB::max_poll_reqs $TICK * 0.1;
3391	BDB::set_sync_prepare {	4354	#$AnyEvent::BDB::WATCHER->priority (1);
3392	my $status;
3393	my $current = $Coro::current;
3394	(
3395	sub {
3396	$status = $!;
3397	$current->ready; undef $current;
3398	},
3399	sub {
3400	Coro::schedule while defined $current;
3401	$! = $status;
3402	},
3403	)
3404	};
3405		4355
3406	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
3407	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
		4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3408		4363
3409	cf::sync_job {	4364	cf::sync_job {
3410	eval {	4365	eval {
3411	BDB::db_env_open	4366	BDB::db_env_open
3412	$DB_ENV,	4367	$DB_ENV,
…		…
3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4369	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4370	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3416	0666;	4371	0666;
3417		4372
3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4373	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3419
3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3421	$DB_ENV->set_lk_detect;
3422	};	4374	};
3423		4375
3424	cf::cleanup "db_env_open(db): $@" if $@;	4376	cf::cleanup "db_env_open(db): $@" if $@;
3425	};	4377	};
3426	}	4378	}
		4379
		4380	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4381	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4382	};
		4383	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4385	};
		4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4388	};
		4389
		4390	info "database initialised";
3427	}	4391	}
3428		4392
3429	{	4393	{
		4394	# configure IO::AIO
		4395
		4396	info "initialising aio";
3430	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
3431
3432	undef $Coro::AIO::WATCHER;
3433	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
3434	$AIO_POLL_WATCHER = Event->io (	4399	undef $AnyEvent::AIO::WATCHER;
3435	reentrant => 0,	4400	info "aio initialised";
3436	data => WF_AUTOCANCEL,
3437	fd => IO::AIO::poll_fileno,
3438	poll => 'r',
3439	prio => 6,
3440	cb => \&IO::AIO::poll_cb,
3441	);
3442	}	4401	}
3443		4402
3444	my $_log_backtrace;	4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
3445		4405
3446	sub _log_backtrace {	4406	sub _log_backtrace {
3447	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
3448		4408
3449	$msg =~ s/\n//;	4409	$msg =~ s/\n$//;
3450		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3451	# limit the # of concurrent backtraces	4414	# limit the # of concurrent backtraces
3452	if ($_log_backtrace < 2) {	4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
3453	++$_log_backtrace;	4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
3454	async {	4419	async {
		4420	$Coro::current->{desc} = "abt $msg";
		4421
3455	my @bt = fork_call {	4422	my @bt = fork_call {
3456	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4424	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4425	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3459	or die "addr2line: $!";	4426	or die "addr2line: $!";
…		…
3467	}	4434	}
3468		4435
3469	@funcs	4436	@funcs
3470	};	4437	};
3471		4438
3472	LOG llevInfo, "[ABT] $msg\n";	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3473	LOG llevInfo, "[ABT] $_\n" for @bt;	4441	LOG llevInfo, "[ABT] $_\n" for @bt;
3474	--$_log_backtrace;	4442	--$_log_backtrace;
3475	};	4443	};
3476	} else {	4444	} else {
3477	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
3478	LOG llevInfo, "[ABT] [suppressed]\n";	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3479	}	4447	}
3480	}	4448	}
3481		4449
3482	# load additional modules	4450	# load additional modules
3483	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
3484		4453
3485	END { cf::emergency_save }	4454	END { cf::emergency_save }
3486		4455
3487	1	4456	1
3488		4457

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