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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.370 by root, Thu Sep 13 10:59:41 2007 UTC vs.
Revision 1.608 by root, Sun Nov 18 09:53:57 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 ();	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;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		130
84	our $BDB_POLL_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	134	our $DB_ENV;
88		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
89	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
90		140
91	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
		144	our $NOW;
93		145
94	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
97		149
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		152
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
104		165
105	binmode STDOUT;	166	binmode STDOUT;
106	binmode STDERR;	167	binmode STDERR;
107		168
108	# read virtual server time, if available	169	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
113	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
114		177
115	mkdir $_	178	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		180
118	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
119		182
120	sub cf::map::normalise;	183	sub cf::map::normalise;
121		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
122	#############################################################################	189	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
125		203
126	=over 4	204	=over 4
127		205
128	=item $cf::UPTIME	206	=item $cf::UPTIME
129		207
130	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.
131		224
132	=item $cf::RUNTIME	225	=item $cf::RUNTIME
133		226
134	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
135	every server tick.	228	every server tick.
136		229
137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
140		233
141	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
144	database environment.	237	database environment.
145		238
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	239	=item $cf::LOADAVG
155		240
156	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
161		246
162	The raw value load value from the last tick.	247	The raw value load value from the last tick.
163		248
164	=item %cf::CFG	249	=item %cf::CFG
165		250
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	252	from wherever your confdir points to.
168		253
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		255
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
172	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
174		277
175	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
176		279
177	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
178	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
179	that call.	282	that call.
180		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
181	=back	290	=back
182		291
183	=cut	292	=cut
184		293
185	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	301	my $msg = join "", @_;
188		302
189	$msg .= "\n"	303	$msg .= "\n"
190	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
191		305
192	$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;
193		307
194	LOG llevError, $msg;	308	LOG llevWarn, $msg;
195	};	309	};
196	}	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	};
197		324
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	335	for my $pkg (qw(
209	cf::global cf::attachable	336	cf::global cf::attachable
210	cf::object cf::object::player	337	cf::object cf::object::player
211	cf::client cf::player	338	cf::client cf::player
212	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
213	cf::map cf::party cf::region	341	cf::party cf::region
214	)) {	342	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	344	}
218		345
219	$Event::DIED = sub {	346	$EV::DIED = sub {
220	warn "error in event callback: @_";	347	warn "error in event callback: $@";
221	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
222		354
223	#############################################################################	355	#############################################################################
224		356
225	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
226		358
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	380	$d
249	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
250	}	382	}
251		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
252	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
253		437
254	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
255		439
256	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
257		441
258	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
259		443
260	=cut	444	=cut
261		445
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		447
264	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		512
267	=item cf::lock_wait $string	513	=item cf::lock_wait $string
268		514
269	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
270		516
271	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
272		518
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
276	returned.	522	returned.
277		523
278	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
279	deadlocked coro.	525	deadlocked coro.
…		…
285		531
286	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.
287		533
288	=cut	534	=cut
289		535
290	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		537
293	sub lock_wait($) {	538	sub lock_wait($) {
294	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	540	}
307		541
308	sub lock_acquire($) {	542	sub lock_acquire($) {
309	my ($key) = @_;	543	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	544	}
323		545
324	sub lock_active($) {	546	sub lock_active($) {
325	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	548	}
329		549
330	sub freeze_mainloop {	550	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
332		552
333	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	554	}
335	};	555
336	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
337	$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
338	}	569	}
339		570
340	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
341		572
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	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
344	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.
345		580
346	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
347	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
348		583
349	Useful for short background jobs.	584	Useful for short background jobs.
350		585
351	=cut	586	=cut
352		587
353	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
355		591
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
358	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
359		598
360	while () {	599	while () {
361	next_job:	600	next_job:
		601
362	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	603
364	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	608	$job->[2]->send;
368	Coro::cede;	609	Coro::cede;
369	goto next_job;	610	goto next_job;
370	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	613	}
372	}	614	}
373		615
374	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
375	# 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
376	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
377	$signal->wait;
378	} else {	619	} else {
		620	$busy = 0;
379	Coro::schedule;	621	Coro::schedule;
380	}	622	}
381	}	623	}
382	};	624	};
383		625
384	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
385	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
386		630
387	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
388	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
389		634
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
403		648
404	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
405		650
406	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
407		652
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
409	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
410	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
411	acceptable.	656	acceptable.
412		657
413	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
414	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
…		…
418	=cut	663	=cut
419		664
420	sub sync_job(&) {	665	sub sync_job(&) {
421	my ($job) = @_;	666	my ($job) = @_;
422		667
423	if ($Coro::current == $Coro::main) {	668	if (in_main) {
424	my $time = Event::time;	669	my $time = AE::time;
425		670
426	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
428		673
429	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	675
431	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
432		677
433	my $busy = 1;	678	my $busy = 1;
434	my @res;	679	my @res;
435		680
436	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	683	@res = eval { $job->() };
438	warn $@ if $@;	684	error $@ if $@;
439	undef $busy;	685	undef $busy;
440	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
441		687
442	while ($busy) {	688	while ($busy) {
443	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
444	}	693	}
		694	}
445		695
446	$time = Event::time - $time;	696	my $time = AE::time - $time;
447		697
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
452		699
453	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
454	} else {	701	} else {
455	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
456		703
…		…
476	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
477		724
478	$coro	725	$coro
479	}	726	}
480		727
481	=item fork_call { }, $args	728	=item fork_call { }, @args
482		729
483	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
484	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
485	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
486	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
487		734
488	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
489		740
490	sub fork_call(&@) {	741	sub fork_call(&@) {
491	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
492		743
493	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)
496
497	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
498	reset_signals;	745	cf::post_fork;
499	&$cb	746	&$cb
500	}, @args;	747	} @args;
501		748
502	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
503	}	788	}
504		789
505	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
506		791
507	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
517	within each server.	802	within each server.
518		803
519	=cut	804	=cut
520		805
521	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
522	my ($name) = @_;	810	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
524		812
525	eval {	813	eval {
526	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
536	}	824	}
537		825
538	our $DB;	826	our $DB;
539		827
540	sub db_init {	828	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	829	$DB ||= db_table "db";
543	};
544	}	830	}
545		831
546	sub db_get($$) {	832	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
548		834
549	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
550	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
551		839
552	$! ? ()	840	$! ? ()
553	: $data	841	: $data
554	}
555	}	842	}
556		843
557	sub db_put($$$) {	844	sub db_put($$$) {
558	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		874
588	my @data;	875	my @data;
589	my $md5;	876	my $md5;
590		877
591	for (0 .. $#$src) {	878	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	880	}
595		881
596	# if processing is expensive, check	882	# if processing is expensive, check
597	# checksum first	883	# checksum first
598	if (1) {	884	if (1) {
…		…
611		897
612	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
613	}	899	}
614	}	900	}
615		901
616	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
617	my $data = $process->(\@data);	903	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
619		905
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		907
622	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
625		911
…		…
635		921
636	=cut	922	=cut
637		923
638	sub datalog($@) {	924	sub datalog($@) {
639	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	927	}
642		928
643	=back	929	=back
644		930
645	=cut	931	=cut
646		932
647	#############################################################################	933	#############################################################################
648		934
649	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
650		936
651	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
652	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")
653	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
654		940
655	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>
656	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
657	Crossfire TRT).	943	Deliantra).
658		944
659	=over 4	945	=over 4
660		946
661	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
662		948
…		…
706	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
707		993
708	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
709	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
710		996
711	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		999
714	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
715		1001
716	=over 4	1002	=over 4
…		…
840		1126
841	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1129
844	} elsif (ref $type) {	1130	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
846		1132
847	} else {	1133	} else {
848	shift @arg;	1134	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
850	}	1136	}
851	}	1137	}
852	}	1138	}
853		1139
854	sub _object_attach {	1140	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
865	}	1151	}
866		1152
867	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
868	} else {	1154	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1156	}
871		1157
872	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
873	}	1159	}
874		1160
…		…
933		1219
934	for (@$callbacks) {	1220	for (@$callbacks) {
935	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
936		1222
937	if ($@) {	1223	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1225	override;
941	}	1226	}
942		1227
943	return 1 if $override;	1228	return 1 if $override;
944	}	1229	}
945		1230
946	0	1231	0
947	}	1232	}
948		1233
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1235
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1237
953	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
954		1239
…		…
960		1245
961	=cut	1246	=cut
962		1247
963	#############################################################################	1248	#############################################################################
964	# object support	1249	# object support
965	#
966		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#
967	sub _can_merge {	1284	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
969		1286
970	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1288
974	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
975	}	1291	}
976		1292
977	sub reattach {	1293	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1295	my ($obj) = @_;
980		1296
		1297	# no longer needed after getting rid of delete_package?
981	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
982		1299
983	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
984		1301
985	@$registry = ();	1302	@$registry = ();
986		1303
…		…
991	for (@$attach) {	1308	for (@$attach) {
992	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
994	}	1311	}
995	} else {	1312	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1314	}
998	}	1315	}
999	}	1316	}
1000		1317
1001	cf::attachable->attach (	1318	cf::attachable->attach (
1002	prio => -1000000,	1319	prio => -1000000,
1003	on_instantiate => sub {	1320	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1005		1322
1006	$data = from_json $data;	1323	$data = decode_json $data;
1007		1324
1008	for (@$data) {	1325	for (@$data) {
1009	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1010		1327
1011	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1342	);
1026		1343
1027	sub object_freezer_save {	1344	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1029		1346
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1347	sync_job {
1033	if (length $$rdata) {	1348	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1037		1353
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1361	aio_close $fh;
1043		1362
1044	if (@$objs) {	1363	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1372	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1374	}
1053	} else {	1375	} else {
1054	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1055	}	1377	}
1056		1378
1057	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1383	} else {
1059	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1060	}	1385	}
1061	} else {	1386	} else {
1062	aio_unlink $filename;	1387	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1064	}	1389	}
1065	};	1390	};
1066
1067	undef $guard;
1068	}	1391	}
1069		1392
1070	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1072		1395
…		…
1077		1400
1078	sub object_thawer_load {	1401	sub object_thawer_load {
1079	my ($filename) = @_;	1402	my ($filename) = @_;
1080		1403
1081	my ($data, $av);	1404	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1405
1085	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
1086	or return;	1407	or return;
1087		1408
1088	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1411	or return;
1091		1412
1092	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1094	}	1415	}
1095		1416
1096	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1099		1421
1100	($data, $av)	1422	($data, $av)
1101	}	1423	}
1102		1424
1103	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1107	=cut	1429	=cut
1108		1430
1109	#############################################################################	1431	#############################################################################
1110	# command handling &c	1432	# command handling &c
1111		1433
1112	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1113		1435
1114	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
1115	$name.	1437	$name.
1116		1438
1117	=cut	1439	=cut
…		…
1123	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1124		1446
1125	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1126	}	1448	}
1127		1449
1128	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1129		1451
1130	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1131	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
1132	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
1133	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
1134	has logged in successfully.	1456	has logged in successfully.
1135		1457
1136	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1137	called.
1138		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
1139	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1140		1466
1141	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1142	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
1143	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
1144	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
1145	log-in.	1471	log-in.
1146		1472
1147	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1148	called.
1149		1474
1150	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1151		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
1152	sub register_extcmd {	1482	sub register_extcmd($$) {
1153	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1154		1484
1155	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1156	}	1486	}
1157		1487
1158	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1159	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1160		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1161	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1162	}	1498	}
1163		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1164	cf::player->attach (	1508	cf::player->attach (
1165	on_command => sub {	1509	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1167		1511
1168	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1169	or return;	1513	or return;
1170		1514
…		…
1178	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1179		1523
1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1181		1525
1182	if (ref $msg) {	1526	if (ref $msg) {
1183	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1184	"ARRAY" eq ref $msg
1185	? @$msg
1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187		1528
1188	my @reply;
1189
1190	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}) {
1191	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1192	}	1547	}
1193		1548
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196
1197	} else {	1549	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1551	}
1200		1552
1201	cf::override;	1553	cf::override;
1202	},	1554	},
1203	);	1555	);
1204		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
1205	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1206	cf::sync_job {	1586	cf::sync_job {
1207	my %todo;	1587	my %todo;
1208		1588
1209	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1590	next unless -r $path;
…		…
1228		1608
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1611
1232	$ext{source} =	1612	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1235	. $source	1615	. $source
1236	. "\n};\n1";	1616	. "\n};\n1";
1237		1617
1238	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1239	}	1619	}
1240		1620
		1621	my $pass = 0;
1241	my %done;	1622	my %done;
1242	while (%todo) {	1623	while (%todo) {
1243	my $progress;	1624	my $progress;
1244		1625
		1626	++$pass;
		1627
		1628	ext:
1245	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1631	next ext
1248	unless exists $done{$_};	1632	unless exists $done{$_};
1249	}	1633	}
1250		1634
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1636
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1258	warn $msg;	1653
1259	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1655	delete $todo{$k};
1261	}	1656	} else {
1262		1657	$done{$k} = delete $todo{$k};
1263	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1264	}	1663	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1664	}
1270		1665
1271	skip:	1666	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1274	}	1676	}
1275	};	1677	};
1276	}	1678	}
1277		1679
1278	#############################################################################	1680	#############################################################################
1279		1681
1280	=back	1682	=back
1281		1683
1282	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1283		1685
1284	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1285		1687
1286	=cut	1688	=cut
1287		1689
1288	package cf::player;	1690	package cf::player;
1289		1691
…		…
1332		1734
1333	sub exists($) {	1735	sub exists($) {
1334	my ($login) = @_;	1736	my ($login) = @_;
1335		1737
1336	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1338	}	1740	}
1339		1741
1340	sub find($) {	1742	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1744	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1755
1354	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1757	or return;
1356		1758
1357	$f->next;
1358	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1359	or return;	1760	or return;
		1761
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1363	}	1765	}
1364	}	1766	}
1365	}	1767	}
1366		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
		1781
1367	sub save($) {	1782	sub save($) {
1368	my ($pl) = @_;	1783	my ($pl) = @_;
1369		1784
1370	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1371		1786
…		…
1374		1789
1375	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1376		1791
1377	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		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];
1379		1799
1380	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1801	cf::cede_to_tick;
1382	}	1802	}
1383		1803
…		…
1415	my ($pl) = @_;	1835	my ($pl) = @_;
1416		1836
1417	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1418		1838
1419	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1420	$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
1421		1841
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1425	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1426		1850
1427	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1467		1891
1468	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1469	my $path = path $login;	1893	my $path = path $login;
1470		1894
1471	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1901	}
1477		1902
…		…
1481		1906
1482	\@logins	1907	\@logins
1483	}	1908	}
1484		1909
1485	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1486		1913
1487	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1488	player. May block.	1915	player. May block.
1489		1916
1490	=cut	1917	=cut
…		…
1508	}	1935	}
1509		1936
1510	\@paths	1937	\@paths
1511	}	1938	}
1512		1939
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1941
1515	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563
1564	=item $player->ext_reply ($msgid, @msg)
1565
1566	Sends an ext reply to the player.
1567
1568	=cut
1569
1570	sub ext_reply($$@) {
1571	my ($self, $id, @msg) = @_;
1572
1573	$self->ns->ext_reply ($id, @msg)
1574	}
1575		1943
1576	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1577		1945
1578	Sends an ext event to the client.	1946	Sends an ext event to the client.
1579		1947
…		…
1599		1967
1600	=cut	1968	=cut
1601		1969
1602	sub find_by_path($) {	1970	sub find_by_path($) {
1603	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1604		1974
1605	my ($match, $specificity);	1975	my ($match, $specificity);
1606		1976
1607	for my $region (list) {	1977	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1636		2006
1637	sub generate_random_map {	2007	sub generate_random_map {
1638	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1640	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	2013	}
1654		2014
1655	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1656		2016
1657	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
…		…
1662		2022
1663	sub register {	2023	sub register {
1664	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	2025	my $pkg = caller;
1666		2026
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		2028
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	2030	}
1672		2031
1673	# also paths starting with '/'	2032	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		2034
1676	sub thawer_merge {	2035	sub thawer_merge {
1677	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1678		2037
1679	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1684	}	2043	}
1685		2044
1686	sub normalise {	2045	sub normalise {
1687	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1688		2047
1689	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1690		2049
1691	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1692		2051
1693	# map plan:	2052	# map plan:
1694	#	2053	#
…		…
1709	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	2069	$path = "$base/$path";
1711	}	2070	}
1712		2071
1713	for ($path) {	2072	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1717	}	2075	}
1718		2076
1719	$path	2077	$path
…		…
1733	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1734	return $self;	2092	return $self;
1735	}	2093	}
1736	}	2094	}
1737		2095
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2097	()
1740	}	2098	}
1741		2099
		2100	# may re-bless or do other evil things
1742	sub init {	2101	sub init {
1743	my ($self) = @_;	2102	my ($self) = @_;
1744		2103
1745	$self	2104	$self
1746	}	2105	}
…		…
1765		2124
1766	# the temporary/swap location	2125	# the temporary/swap location
1767	sub save_path {	2126	sub save_path {
1768	my ($self) = @_;	2127	my ($self) = @_;
1769		2128
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1772	}	2131	}
1773		2132
1774	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1775	sub uniq_path {	2134	sub uniq_path {
1776	my ($self) = @_;	2135	my ($self) = @_;
1777		2136
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2139	}
1790		2140
1791	sub decay_objects {	2141	sub decay_objects {
1792	my ($self) = @_;	2142	my ($self) = @_;
1793		2143
…		…
1820	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1821		2171
1822	1	2172	1
1823	}	2173	}
1824		2174
		2175	# used to laod the header of an original map
1825	sub load_header_orig {	2176	sub load_header_orig {
1826	my ($self) = @_;	2177	my ($self) = @_;
1827		2178
1828	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1829	}	2180	}
1830		2181
		2182	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2183	sub load_header_temp {
1832	my ($self) = @_;	2184	my ($self) = @_;
1833		2185
1834	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1835	}	2187	}
1836		2188
		2189	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2190	sub prepare_temp {
1838	my ($self) = @_;	2191	my ($self) = @_;
1839		2192
1840	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1842	# safety	2195	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2198	}
1846		2199
		2200	# called after loading the header from an original map
1847	sub prepare_orig {	2201	sub prepare_orig {
1848	my ($self) = @_;	2202	my ($self) = @_;
1849		2203
1850	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2229
1876	sub find;	2230	sub find;
1877	sub find {	2231	sub find {
1878	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1879		2233
		2234	cf::cede_to_tick;
		2235
1880	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1881		2237
1882	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2240
1885	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1890	or return;	2243	or return;
1891		2244
1892	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1893		2246
…		…
1895	or return;	2248	or return;
1896		2249
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1900	undef $guard1;	2254	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2255	$map->reset;
1903	return find $path;	2256	return find $path;
1904	}	2257	}
1905		2258
1906	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1907	}	2260	}
1908	}	2261	}
1909		2262
1910	sub pre_load { }	2263	sub pre_load { }
1911	sub post_load { }	2264	#sub post_load { } # XS
1912		2265
1913	sub load {	2266	sub load {
1914	my ($self) = @_;	2267	my ($self) = @_;
1915		2268
1916	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2272
1920	{	2273	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1922		2275
1923	return unless $self->valid;	2276	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2278
1928	$self->alloc;	2279	$self->alloc;
1929		2280
1930	$self->pre_load;	2281	$self->pre_load;
1931	cf::cede_to_tick;	2282	cf::cede_to_tick;
1932		2283
		2284	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2286	$f->skip_block;
1935	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1936	or return;	2288	or return;
1937		2289
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1939	if delete $self->{load_original};	2291	if delete $self->{load_original};
1940		2292
1941	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2294	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2297	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1948	}	2301	}
1949	}	2302	}
1950	}
1951		2303
1952	$f->resolve_delayed_derefs;	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);
1953		2311
1954	cf::cede_to_tick;	2312	cf::cede_to_tick;
1955	# now do the right thing for maps	2313	# now do the right thing for maps
1956	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2320	$self->decay_objects;
1963	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1964	$self->update_buttons;	2322	$self->update_buttons;
1965	cf::cede_to_tick;	2323	cf::cede_to_tick;
1966	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2325	}
1970		2326
1971	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2329	}
1976		2330
1977	$self->post_load;	2331	$self->post_load;
1978	}
1979		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
1980	sub customise_for {	2339	sub customise_for {
1981	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1982		2341
1983	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2343	if $self->per_player;
…		…
1987	# if $self->per_party;	2346	# if $self->per_party;
1988		2347
1989	$self	2348	$self
1990	}	2349	}
1991		2350
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($map) = @_;
1995
1996	my @neigh; # diagonal neighbours
1997
1998	for (0 .. 3) {
1999	my $neigh = $map->tile_path ($_)
2000	or next;
2001	$neigh = find $neigh, $map
2002	or next;
2003	$neigh->load;
2004
2005	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}
2009
2010	for (grep defined $_->[0], @neigh) {
2011	my ($path, $origin) = @$_;
2012	my $neigh = find $path, $origin
2013	or next;
2014	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2351	sub find_sync {
2019	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2020		2353
2021	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
2022	}	2359	}
2023		2360
2024	sub do_load_sync {	2361	sub do_load_sync {
2025	my ($map) = @_;	2362	my ($map) = @_;
2026		2363
		2364	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2029		2367
2030	cf::sync_job { $map->load };	2368	$map->load;
2031	}	2369	}
2032		2370
2033	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2035		2373
2036	sub find_async {	2374	sub find_async {
2037	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2038		2376
2039	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2040		2378
2041	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2043	}	2381	}
2044		2382
2045	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2046		2384
2047	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
2048	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2390	if (my $map = find $k) {
2051	$map->load if $v;	2391	$map->load if $v;
2052	}	2392	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2060		2400
2061	()	2401	()
2062	}	2402	}
2063		2403
		2404	# common code, used by both ->save and ->swapout
2064	sub save {	2405	sub _save {
2065	my ($self) = @_;	2406	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2407
2069	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2070		2409
2071	return unless $self->dirty;	2410	return unless $self->dirty;
2072		2411
…		…
2078	return if $self->{deny_save};	2417	return if $self->{deny_save};
2079		2418
2080	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2081		2420
2082	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2084	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2085		2427
2086	if ($uniq) {	2428	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2431	} else {
2090	$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);
2091	}	2433	}
2092	}	2434	}
2093		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2094	sub swap_out {	2444	sub swap_out {
2095	my ($self) = @_;	2445	my ($self) = @_;
2096		2446
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2102	return if $self->players;	2451	return if $self->players;
2103	return if $self->in_memory != cf::MAP_IN_MEMORY;	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
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2104	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2105		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2106	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2107		2503
2108	$self->deactivate;	2504	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2506	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2507
2156	$self->unlink_save;	2508	$self->unlink_save;
2157	$self->destroy;	2509	$self->destroy;
2158	}	2510	}
2159		2511
…		…
2167		2519
2168	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2169		2521
2170	$self->unlink_save;	2522	$self->unlink_save;
2171		2523
2172	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2529
…		…
2226		2578
2227	sub unique_maps() {	2579	sub unique_maps() {
2228	[	2580	[
2229	map {	2581	map {
2230	utf8::decode $_;	2582	utf8::decode $_;
2231	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2232	? normalise $_	2586	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2588	]
2236	}	2589	}
2237		2590
2238	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	}
2239		2622
2240	=back	2623	=back
2241		2624
2242	=head3 cf::object	2625	=head3 cf::object
2243		2626
…		…
2247		2630
2248	=over 4	2631	=over 4
2249		2632
2250	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2251		2634
2252	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.
2253		2637
2254	=cut	2638	=cut
2255		2639
2256	sub inv_recursive_;	2640	sub inv_recursive_;
2257	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2263	}	2647	}
2264		2648
2265	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2266		2650
2267	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2268		2652
2269	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2270		2654
2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2272	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2273		2657
2274	=cut	2658	=cut
2275		2659
2276	sub deref {	2660	sub deref {
2277	my ($ref) = @_;	2661	my ($ref) = @_;
2278		2662
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2664	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2666	or return;
2286	$pl->ob->uuid eq $uuid	2667	$pl->ob->uuid eq $uuid
2287	or return;	2668	or return;
…		…
2307	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
2308	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2309		2690
2310	=cut	2691	=cut
2311		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	};
		2706
2312	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2708	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2724
2330	} else {	2725	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2728	}
2334	}	2729	}
2335	}	2730	}
2336		2731
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2757
2363	=item $player_object->enter_link	2758	=item $player_object->enter_link
2364		2759
2365	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}>).
2366		2761
2367	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.
2368	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.
2369		2766
2370	Will never block.	2767	Will never block.
2371		2768
2372	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2373		2770
…		…
2393	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2791	my ($self) = @_;
2395		2792
2396	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2397		2794
		2795	++$self->{_link_recursion};
		2796
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2798
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2402		2801
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2803	}
2405		2804
2406	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2408		2807
…		…
2425	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2427		2826
2428	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2431		2830
2432	$map->load;	2831	$map->load;
2433	$map->load_neighbours;
2434		2832
2435	return unless $self->contr->active;	2833	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2834
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2440	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2441		2842
		2843	}
		2844
2442	=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)]])
2443		2846
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	be called at the end of this process.	2851	be called at the end of this process.
2449		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
2450	=cut	2856	=cut
2451		2857
2452	our $GOTOGEN;	2858	our $GOTOGEN;
2453		2859
2454	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
2456		2862
		2863	if ($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
2457	# 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
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2871
2460	$self->enter_link;	2872	$self->enter_link;
2461		2873
2462	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
2463	# *tag paths override both path and x|y	2877	# *tag paths override both path and x|y
2464	if ($path =~ /^\*(.*)$/) {	2878	if ($path =~ /^\*(.*)$/) {
2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2466	my $ob = $obs[rand @obs];	2880	my $ob = $obs[rand @obs];
2467		2881
…		…
2478	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2479	}	2893	}
2480	}	2894	}
2481		2895
2482	my $map = eval {	2896	my $map = eval {
2483	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2484		2898
2485	if ($map) {	2899	if ($map) {
2486	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2487	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2488	} else {	2902	} else {
2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2490	}	2904	}
2491		2905
2492	$map	2906	$map
…		…
2500	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2501	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2502	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2503	}	2917	}
2504		2918
2505	$done->() if $done;	2919	$done->($self) if $done;
2506	})->prio (1);	2920	})->prio (1);
2507	}	2921	}
2508		2922
2509	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2510		2924
…		…
2530	}	2944	}
2531		2945
2532	sub prepare_random_map {	2946	sub prepare_random_map {
2533	my ($exit) = @_;	2947	my ($exit) = @_;
2534		2948
2535	my $guard = cf::lock_acquire "exit_prepare:$exit";
2536
2537	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2538	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2539	# that depends on the exit object	2951	# that depends on the exit object
2540		2952
2541	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2543	if ($exit->map) {	2955	if ($exit->map) {
2544	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2545	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2546	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2547	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2548	}	2962	}
2549		2963
2550	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2551		2965
2552	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2553	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2554	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2555		2969
2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2557	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2558	undef $fh;	2972	undef $fh;
2559	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2560		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2561	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2562	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2563	}	2981	}
2564	}	2982	}
2565		2983
2566	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2567	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2568		2986
2569	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2570		2988
2571	if ($exit->slaying eq "/!") {
2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
2573	# the problem is that $exit might not survive long enough
2574	# so it needs to be done right now, right here
2575	cf::sync_job { prepare_random_map $exit };
2576	}
2577
2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2579	my $hp = $exit->stats->hp;
2580	my $sp = $exit->stats->sp;
2581
2582	$self->enter_link;	2989	$self->enter_link;
2583		2990
2584	# if exit is damned, update players death & WoR home-position
2585	$self->contr->savebed ($slaying, $hp, $sp)
2586	if $exit->flag (FLAG_DAMNED);
2587
2588	(async {	2991	(async {
2589	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2590	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
2591	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2592		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
2593	1;	3030	1
2594	}) {	3031	}) {
2595	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2596	. "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. "
2597	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2598	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2599		3036
2600	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2601	$self->leave_link;	3038	$self->leave_link;
2602	}	3039	}
2603	})->prio (1);	3040	})->prio (1);
2604	}	3041	}
2605		3042
2606	=head3 cf::client	3043	=head3 cf::client
2607		3044
2608	=over 4	3045	=over 4
2609		3046
2610	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2611		3048
2612	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2613	should not be used under normal circumstances.	3050	them as required.
2614		3051
2615	=cut	3052	=cut
2616		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2617	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2618	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2619		3058
2620	utf8::encode $text;	3059	# try lzf for large packets
2621	$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);
2622	}	3070	}
2623		3071
2624	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2625		3073
2626	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2627	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2628	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2629	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2630		3078
2631	=cut	3079	=cut
2632		3080
		3081	# non-persistent channels (usually the info channel)
2633	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2634	"c/identify" => {	3089	"c/identify" => {
2635	id => "identify",	3090	id => "infobox",
2636	title => "Identify",	3091	title => "Identify",
2637	reply => undef,	3092	reply => undef,
2638	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
2639	},	3094	},
2640	"c/examine" => {	3095	"c/examine" => {
2641	id => "examine",	3096	id => "infobox",
2642	title => "Examine",	3097	title => "Examine",
2643	reply => undef,	3098	reply => undef,
2644	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
2645	},	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" => $CHAT_CHANNEL,
2646	);	3199	);
2647		3200
2648	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2649	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2650		3203
2651	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2652		3206
2653	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2654		3208
2655	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
2657		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
2658	if (ref $channel) {	3216	} elsif (ref $channel) {
2659	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2660	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2661	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2662	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2663	if $self->can_msg;
2664	}	3221	}
2665		3222
2666	$channel = $channel->{id};	3223	$channel = $channel->{id};
2667	}	3224	}
2668		3225
2669	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2670		3227
2671	if ($self->can_msg) {
2672	# default colour, mask it out	3228	# default colour, mask it out
2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2674	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2675		3231
2676	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2678	} else {	3235	);
2679	if ($color >= 0) {
2680	# replace some tags by gcfclient-compatible ones
2681	for ($msg) {
2682	1 while
2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2688	}
2689		3236
2690	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2691
2692	utf8::encode $msg;
2693
2694	if (0 && $msg =~ /\[/) {
2695	# COMMAND/INFO
2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
2697	} else {
2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2699	$self->send_packet ("drawinfo $color $msg")
2700	}
2701	}
2702	}
2703	}	3238	}
2704		3239
2705	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2706		3241
2707	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2709	=cut	3244	=cut
2710		3245
2711	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2712	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2713		3248
2714	if ($self->extcmd == 2) {
2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2716	} elsif ($self->extcmd == 1) { # TODO: remove
2717	push @msg, msgtype => "event_$type";
2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2719	}
2720	}
2721
2722	=item $client->ext_reply ($msgid, @msg)
2723
2724	Sends an ext reply to the client.
2725
2726	=cut
2727
2728	sub cf::client::ext_reply($$@) {
2729	my ($self, $id, @msg) = @_;
2730
2731	if ($self->extcmd == 2) {
2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2733	} elsif ($self->extcmd == 1) {
2734	#TODO: version 1, remove
2735	unshift @msg, msgtype => "reply", msgid => $id;
2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2737	}
2738	}	3250	}
2739		3251
2740	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2741		3253
2742	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2797	my ($ns, $buf) = @_;	3309	my ($ns, $buf) = @_;
2798		3310
2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3311	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2800		3312
2801	if (ref $msg) {	3313	if (ref $msg) {
2802	my ($type, $reply, @payload) =	3314	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2803	"ARRAY" eq ref $msg
2804	? @$msg
2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2806		3315
2807	my @reply;
2808
2809	if (my $cb = $EXTICMD{$type}) {	3316	if (my $cb = $EXTIACMD{$type}) {
		3317	$cb->(
		3318	$ns,
		3319	sub {
		3320	$ns->ext_msg ("reply-$reply", @_)
		3321	if $reply;
		3322	},
		3323	@payload
		3324	);
		3325	} else {
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
2810	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_msg ("reply-$reply", @reply)
		3333	if $reply;
2811	}	3334	}
2812
2813	$ns->ext_reply ($reply, @reply)
2814	if $reply;
2815
2816	} else {	3335	} else {
2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2818	}	3337	}
2819		3338
2820	cf::override;	3339	cf::override;
2821	},	3340	},
2822	);	3341	);
…		…
2842		3361
2843	$coro	3362	$coro
2844	}	3363	}
2845		3364
2846	cf::client->attach (	3365	cf::client->attach (
2847	on_destroy => sub {	3366	on_client_destroy => sub {
2848	my ($ns) = @_;	3367	my ($ns) = @_;
2849		3368
2850	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2851	},	3370	},
2852	);	3371	);
…		…
2868	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2869		3388
2870	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2871		3390
2872	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2873	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2874	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2875	sort time	3394	sort time
2876	));	3395	));
2877		3396
2878	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2880	=pod	3399	=pod
2881		3400
2882	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2883		3402
2884	cf::object	3403	cf::object
2885	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2886	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2887		3407
2888	cf::object::player	3408	cf::object::player
2889	player	3409	player
2890		3410
2891	cf::player	3411	cf::player
…		…
2896		3416
2897	=cut	3417	=cut
2898		3418
2899	for (	3419	for (
2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2901	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2902	decrease_ob_nr)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2903	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2904	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2905	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2906	) {	3426	) {
2907	no strict 'refs';
2908	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2910	for @funs;	3429	for @funs;
2911	}	3430	}
2912		3431
…		…
2927		3446
2928	my $qcode = $code;	3447	my $qcode = $code;
2929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2930	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2931		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2932	local $_;	3454	local $_;
2933	local @safe::cf::_safe_eval_args = values %vars;
2934		3455
2935	my $eval =	3456	my $eval =
2936	"do {\n"	3457	"do {\n"
2937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2938	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2939	. $code	3460	. $code
2940	. "\n}"	3461	. "\n}"
2941	;	3462	;
2942		3463
		3464	if ($CFG{safe_eval}) {
2943	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2945	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2946		3473
2947	if ($@) {	3474	if ($@) {
2948	warn "$@";	3475	warn "$@",
2949	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2950	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2951	}	3478	}
2952		3479
2953	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2954	}	3481	}
2955		3482
…		…
2969	=cut	3496	=cut
2970		3497
2971	sub register_script_function {	3498	sub register_script_function {
2972	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2973		3500
2974	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2976	}	3503	}
2977		3504
2978	=back	3505	=back
2979		3506
2980	=cut	3507	=cut
2981		3508
2982	#############################################################################	3509	#############################################################################
2983	# the server's init and main functions	3510	# the server's init and main functions
2984		3511
		3512	{
		3513	package cf::face;
		3514
		3515	our %HASH; # hash => idx
		3516	our @DATA; # dynamically-created facedata, only faceste 0 used
		3517	our @FOFS; # file offset, if > 0
		3518	our @SIZE; # size of face, in octets
		3519	our @META; # meta hash of face, if any
		3520	our $DATAFH; # facedata filehandle
		3521
		3522	# internal api, not finalised
		3523	sub set {
		3524	my ($name, $type, $data) = @_;
		3525
		3526	my $idx = cf::face::find $name;
		3527
		3528	if ($idx) {
		3529	delete $HASH{cf::face::get_csum $idx};
		3530	} else {
		3531	$idx = cf::face::alloc $name;
		3532	}
		3533
		3534	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3535
		3536	cf::face::set_type $idx, $type;
		3537	cf::face::set_csum $idx, 0, $hash;
		3538
		3539	# we need to destroy the SV itself, not just modify it, as a running ix
		3540	# might hold a reference to it: "delete" achieves that.
		3541	delete $FOFS[0][$idx];
		3542	delete $DATA[0][$idx];
		3543	$DATA[0][$idx] = $data;
		3544	$SIZE[0][$idx] = length $data;
		3545	delete $META[$idx];
		3546	$HASH{$hash} = $idx;#d#
		3547
		3548	$idx
		3549	}
		3550
		3551	sub _get_data($$$) {
		3552	my ($idx, $set, $cb) = @_;
		3553
		3554	if (defined $DATA[$set][$idx]) {
		3555	$cb->($DATA[$set][$idx]);
		3556	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3557	my $size = $SIZE[$set][$idx];
		3558	my $buf;
		3559	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3560	if ($_[0] == $size) {
		3561	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3562	$cb->($buf);
		3563	} else {
		3564	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3565	}
		3566	};
		3567	} else {
		3568	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3569	}
		3570	}
		3571
		3572	# rather ineffient
		3573	sub cf::face::get_data($;$) {
		3574	my ($idx, $set) = @_;
		3575
		3576	_get_data $idx, $set, Coro::rouse_cb;
		3577	Coro::rouse_wait
		3578	}
		3579
		3580	sub cf::face::ix {
		3581	my ($ns, $set, $idx, $pri) = @_;
		3582
		3583	_get_data $idx, $set, sub {
		3584	$ns->ix_send ($idx, $pri, $_[0]);
		3585	};
		3586	}
		3587	}
		3588
2985	sub load_facedata($) {	3589	sub load_facedata($) {
2986	my ($path) = @_;	3590	my ($path) = @_;
2987		3591
2988	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();
2991
2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3592	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2993		3593
2994	warn "loading facedata from $path\n";	3594	trace "loading facedata from $path\n";
2995		3595
2996	my $facedata;	3596	my $facedata = decode_storable load_file "$path/faceinfo";
2997	0 < aio_load $path, $facedata
2998	or die "$path: $!";
2999
3000	$facedata = Coro::Storable::thaw $facedata;
3001		3597
3002	$facedata->{version} == 2	3598	$facedata->{version} == 2
3003	or cf::cleanup "$path: version mismatch, cannot proceed.";	3599	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3004		3600
3005	# patch in the exptable	3601	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3006	$facedata->{resource}{"res/exp_table"} = {	3602	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3007	type => FT_RSRC,	3603
3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3604	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3009	};	3605
3010	cf::cede_to_tick;	3606	# BEGIN ATOMIC
		3607	# from here on, everything must be atomic - no thread switch allowed
		3608	my $t1 = EV::time;
3011		3609
3012	{	3610	{
3013	my $faces = $facedata->{faceinfo};	3611	my $faces = $facedata->{faceinfo};
3014		3612
3015	while (my ($face, $info) = each %$faces) {	3613	for my $face (sort keys %$faces) {
		3614	my $info = $faces->{$face};
3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3615	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3616
3017	cf::face::set_visibility $idx, $info->{visibility};	3617	cf::face::set_visibility $idx, $info->{visibility};
3018	cf::face::set_magicmap $idx, $info->{magicmap};	3618	cf::face::set_magicmap $idx, $info->{magicmap};
3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3619	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3620	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3021		3621	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3022	cf::cede_to_tick;	3622	$cf::face::HASH{$info->{hash64}} = $idx;
		3623	delete $cf::face::META[$idx];
3023	}	3624	}
3024		3625
3025	while (my ($face, $info) = each %$faces) {	3626	while (my ($face, $info) = each %$faces) {
3026	next unless $info->{smooth};	3627	next unless $info->{smooth};
		3628
3027	my $idx = cf::face::find $face	3629	my $idx = cf::face::find $face
3028	or next;	3630	or next;
		3631
3029	if (my $smooth = cf::face::find $info->{smooth}) {	3632	if (my $smooth = cf::face::find $info->{smooth}) {
3030	cf::face::set_smooth $idx, $smooth;	3633	cf::face::set_smooth $idx, $smooth;
3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3634	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3032	} else {	3635	} else {
3033	warn "smooth face '$info->{smooth}' not found for face '$face'";	3636	error "smooth face '$info->{smooth}' not found for face '$face'";
3034	}	3637	}
3035
3036	cf::cede_to_tick;
3037	}	3638	}
3038	}	3639	}
3039		3640
3040	{	3641	{
3041	my $anims = $facedata->{animinfo};	3642	my $anims = $facedata->{animinfo};
3042		3643
3043	while (my ($anim, $info) = each %$anims) {	3644	while (my ($anim, $info) = each %$anims) {
3044	cf::anim::set $anim, $info->{frames}, $info->{facings};	3645	cf::anim::set $anim, $info->{frames}, $info->{facings};
3045	cf::cede_to_tick;
3046	}	3646	}
3047		3647
3048	cf::anim::invalidate_all; # d'oh	3648	cf::anim::invalidate_all; # d'oh
3049	}	3649	}
3050		3650
3051	{	3651	{
3052	# TODO: for gcfclient pleasure, we should give resources
3053	# that gcfclient doesn't grok a >10000 face index.
3054	my $res = $facedata->{resource};	3652	my $res = $facedata->{resource};
3055		3653
3056	my $soundconf = delete $res->{"res/sound.conf"};
3057
3058	while (my ($name, $info) = each %$res) {	3654	while (my ($name, $info) = each %$res) {
		3655	if (defined (my $type = $info->{type})) {
		3656	# TODO: different hash - must free and use new index, or cache ixface data queue
3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3657	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3060	my $data;
3061		3658
3062	if ($info->{type} & 1) {	3659	cf::face::set_type $idx, $type;
3063	# prepend meta info	3660	cf::face::set_csum $idx, 0, $info->{hash};
3064		3661	$cf::face::SIZE[0][$idx] = $info->{size};
3065	my $meta = $enc->encode ({	3662	$cf::face::FOFS[0][$idx] = $info->{fofs};
3066	name => $name,	3663	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3067	%{ $info->{meta} || {} },	3664	$cf::face::HASH{$info->{hash}} = $idx;
3068	});
3069
3070	$data = pack "(w/a*)*", $meta, $info->{data};
3071	} else {	3665	} else {
3072	$data = $info->{data};	3666	# $RESOURCE{$name} = $info; # unused
3073	}	3667	}
3074
3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3076	cf::face::set_type $idx, $info->{type};
3077
3078	cf::cede_to_tick;
3079	}
3080
3081	if ($soundconf) {
3082	$soundconf = $enc->decode (delete $soundconf->{data});
3083
3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3085	my $sound = $soundconf->{compat}[$_]
3086	or next;
3087
3088	my $face = cf::face::find "sound/$sound->[1]";
3089	cf::sound::set $sound->[0] => $face;
3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3091	}	3668	}
3092
3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
3094	my $face = cf::face::find "sound/$v";
3095	cf::sound::set $k => $face;
3096	}
3097	}
3098	}	3669	}
		3670
		3671	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3672
		3673	# HACK to clear player env face cache, we need some signal framework
		3674	# for this (global event?)
		3675	%ext::player_env::MUSIC_FACE_CACHE = ();
		3676
		3677	# END ATOMIC
		3678
		3679	cf::debug "facedata atomic update time ", EV::time - $t1;
		3680
		3681	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3682
		3683	aio_close $fh if $fh; # close old facedata
3099		3684
3100	1	3685	1
3101	}	3686	}
3102		3687
3103	register_exticmd fx_want => sub {	3688	register_exticmd fx_want => sub {
…		…
3105		3690
3106	while (my ($k, $v) = each %$want) {	3691	while (my ($k, $v) = each %$want) {
3107	$ns->fx_want ($k, $v);	3692	$ns->fx_want ($k, $v);
3108	}	3693	}
3109	};	3694	};
		3695
		3696	sub load_resource_file($) {
		3697	my $guard = lock_acquire "load_resource_file";
		3698
		3699	my $status = load_resource_file_ $_[0];
		3700	get_slot 0.1, 100;
		3701	cf::arch::commit_load;
		3702
		3703	$status
		3704	}
		3705
		3706	sub reload_exp_table {
		3707	_reload_exp_table;
		3708
		3709	cf::face::set
		3710	"res/exp_table" => FT_RSRC,
		3711	JSON::XS->new->utf8->canonical->encode (
		3712	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3713	);
		3714	}
		3715
		3716	sub reload_materials {
		3717	_reload_materials;
		3718	}
3110		3719
3111	sub reload_regions {	3720	sub reload_regions {
3112	# HACK to clear player env face cache, we need some signal framework	3721	# HACK to clear player env face cache, we need some signal framework
3113	# for this (global event?)	3722	# for this (global event?)
3114	%ext::player_env::MUSIC_FACE_CACHE = ();	3723	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3121	if exists $_->{match};	3730	if exists $_->{match};
3122	}	3731	}
3123	}	3732	}
3124		3733
3125	sub reload_facedata {	3734	sub reload_facedata {
3126	load_facedata "$DATADIR/facedata"	3735	load_facedata $DATADIR
3127	or die "unable to load facedata\n";	3736	or die "unable to load facedata\n";
3128	}	3737	}
3129		3738
3130	sub reload_archetypes {	3739	sub reload_archetypes {
3131	load_resource_file "$DATADIR/archetypes"	3740	load_resource_file "$DATADIR/archetypes"
3132	or die "unable to load archetypes\n";	3741	or die "unable to load archetypes\n";
3133	#d# NEED to laod twice to resolve forward references	3742
3134	# this really needs to be done in an extra post-pass	3743	cf::face::set
3135	# (which needs to be synchronous, so solve it differently)	3744	"res/skill_info" => FT_RSRC,
3136	load_resource_file "$DATADIR/archetypes"	3745	JSON::XS->new->utf8->canonical->encode (
3137	or die "unable to load archetypes\n";	3746	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3747	);
		3748
		3749	cf::face::set
		3750	"res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3138	}	3754	}
3139		3755
3140	sub reload_treasures {	3756	sub reload_treasures {
3141	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3142	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3143	}	3759	}
3144		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3145	sub reload_resources {	3781	sub reload_resources {
3146	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3147		3783
		3784	reload_materials;
		3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
		3788	reload_archetypes;
3148	reload_regions;	3789	reload_regions;
3149	reload_facedata;
3150	#reload_archetypes;#d#
3151	reload_archetypes;
3152	reload_treasures;	3790	reload_treasures;
3153		3791
3154	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3155	}
3156
3157	sub init {
3158	reload_resources;
3159	}	3793	}
3160		3794
3161	sub reload_config {	3795	sub reload_config {
3162	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3163	or return;
3164		3797
3165	local $/;	3798	my $config = load_file "$CONFDIR/config";
3166	*CFG = YAML::Syck::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3167		3801
3168	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3169		3803
3170	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3171	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3172		3806
3173	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3177	};	3811	};
3178	warn $@ if $@;	3812	warn $@ if $@;
3179	}	3813	}
3180	}	3814	}
3181		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3182	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3183	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3184	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3185	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3186	(async {	3857	(async {
3187	Event::one_event;	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3859	EV::loop EV::LOOP_ONESHOT;
3188	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3189	};	3861	};
3190		3862
		3863	evthread_start IO::AIO::poll_fileno;
		3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3191	reload_config;	3877	reload_config;
3192	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3193	load_extensions;	3887	load_extensions;
3194		3888
3195	$TICK_WATCHER->start;	3889	utime time, time, $RUNTIMEFILE;
3196	Event::loop;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
		3896	};
		3897
		3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3197	}	3906	}
3198		3907
3199	#############################################################################	3908	#############################################################################
3200	# initialisation and cleanup	3909	# initialisation and cleanup
3201		3910
3202	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3203	BEGIN {	3912	BEGIN {
		3913	our %SIGWATCHER = ();
3204	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3205	Event->signal (	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	signal => $signal,
3209	prio => 0,
3210	cb => sub {
3211	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3212	},
3213	);	3917	};
3214	}	3918	}
3215	}	3919	}
3216		3920
3217	sub write_runtime {	3921	sub write_runtime_sync {
3218	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3219		3923
3220	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3221	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3222		3926
3223	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3224		3928
3225	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3226		3930
3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3228	or return;	3932	or return;
3229		3933
3230	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3231	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3232	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3242	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3243		3947
3244	close $fh	3948	close $fh
3245	or return;	3949	or return;
3246		3950
3247	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3248	and return;	3952	and return;
3249		3953
3250	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3251		3955
3252	1	3956	1
		3957	}
		3958
		3959	our $uuid_lock;
		3960	our $uuid_skip;
		3961
		3962	sub write_uuid_sync($) {
		3963	$uuid_skip ||= $_[0];
		3964
		3965	return if $uuid_lock;
		3966	local $uuid_lock = 1;
		3967
		3968	my $uuid = "$LOCALDIR/uuid";
		3969
		3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3971	or return;
		3972
		3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
		3981	$uuid_skip = 0;
		3982
		3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3984	and return;
		3985
		3986	# always fsync - this file is important
		3987	aio_fsync $fh
		3988	and return;
		3989
		3990	close $fh
		3991	or return;
		3992
		3993	aio_rename "$uuid~", $uuid
		3994	and return;
		3995
		3996	trace "uuid file written ($value).\n";
		3997
		3998	1
		3999
		4000	}
		4001
		4002	sub write_uuid($$) {
		4003	my ($skip, $sync) = @_;
		4004
		4005	$sync ? write_uuid_sync $skip
		4006	: async { write_uuid_sync $skip };
3253	}	4007	}
3254		4008
3255	sub emergency_save() {	4009	sub emergency_save() {
3256	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3257		4011
3258	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3259		4018
3260	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3261	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3262	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3263	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3264	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3265	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3266	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3267	$pl->valid or next;	4028	$pl->valid or next;
		4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3268	$pl->save;	4030	$pl->save;
3269	}	4031	}
3270	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3271		4033
3272	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3273	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3274	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3275	$map->valid or next;	4039	$map->valid or next;
3276	$map->save;	4040	$map->save;
3277	}	4041	}
3278	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3279		4043
3280	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3281	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3282	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
		4049
		4050	info "emergency_perl_save: begin write uuid\n";
		4051	write_uuid_sync 1;
		4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3283	};	4072	};
3284		4073
3285	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3286	}	4075	}
3287		4076
3288	sub post_cleanup {	4077	sub post_cleanup {
3289	my ($make_core) = @_;	4078	my ($make_core) = @_;
3290		4079
		4080	IO::AIO::flush;
		4081
3291	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3292	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3293	}	4112	}
3294		4113
3295	sub do_reload_perl() {	4114	sub do_reload_perl() {
3296	# can/must only be called in main	4115	# can/must only be called in main
3297	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3298	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3299	return;	4118	return;
3300	}	4119	}
3301		4120
3302	warn "reloading...";	4121	return if $RELOAD++;
3303		4122
3304	warn "entering sync_job";	4123	my $t1 = AE::time;
3305		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3306	cf::sync_job {	4131	cf::sync_job {
3307	cf::write_runtime; # external watchdog should not bark
3308	cf::emergency_save;	4132	#cf::emergency_save;
3309	cf::write_runtime; # external watchdog should not bark
3310		4133
3311	warn "syncing database to disk";
3312	BDB::db_env_txn_checkpoint $DB_ENV;
3313
3314	# if anything goes wrong in here, we should simply crash as we already saved
3315
3316	warn "cancelling all WF_AUTOCANCEL watchers";
3317	for (Event::all_watchers) {
3318	$_->cancel if $_->data & WF_AUTOCANCEL;
3319	}
3320
3321	warn "flushing outstanding aio requests";
3322	for (;;) {
3323	BDB::flush;
3324	IO::AIO::flush;
3325	Coro::cede;
3326	last unless IO::AIO::nreqs || BDB::nreqs;
3327	warn "iterate...";
3328	}
3329
3330	++$RELOAD;
3331
3332	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3333	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3334	%EXT_CORO = ();	4136	%EXT_CORO = ();
3335		4137
3336	warn "removing commands";	4138	trace "perl_reload: removing commands";
3337	%COMMAND = ();	4139	%COMMAND = ();
3338		4140
3339	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3340	%EXTCMD = ();	4142	%EXTCMD = ();
3341	%EXTICMD = ();	4143	%EXTICMD = ();
3342		4144
3343	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3344	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3345	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3346		4148
3347	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3348	eval {	4150	eval {
3349	$cb->($pkg);	4151	$cb->($pkg);
3350	1	4152	1
3351	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3352	}	4158	}
3353		4159
3354	warn "... nuking $pkg";
3355	Symbol::delete_package $pkg;
3356	}
3357
3358	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3359	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3361		4163
3362	warn "... unloading $k";	4164	trace "... unloading $k";
3363	delete $INC{$k};	4165	delete $INC{$k};
3364		4166
3365	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3366	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3367		4169
3368	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3369	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3370	}	4175	}
3371		4176
3372	Symbol::delete_package $k;
3373	}
3374
3375	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3376	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3378		4180
3379	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3380	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3381	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3382		4184
3383	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3384	# and global variables created in xs	4186	# and global variables created in xs
3385	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3386		4188
3387	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3388		4190
3389	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3390	require cf;	4192	require cf;
3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3392		4194
3393	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3394	cf::reload_config;	4196	cf::reload_config;
3395		4197
3396	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3397	cf::load_extensions;	4199	cf::load_extensions;
3398		4200
		4201	if ($REATTACH_ON_RELOAD) {
3399	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3400	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3401	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3402	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3403	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3404	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3405		4209
3406	warn "leaving sync_job";	4210	cf::_post_init 1;
3407		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3408	1	4214	1
3409	} or do {	4215	} or do {
3410	warn $@;	4216	error $@;
3411	warn "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3412	exit 1;	4218	};
		4219
		4220	--$RELOAD;
3413	};	4221	}
3414		4222
3415	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3416	};	4225	};
3417		4226
3418	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3419		4228
3420	sub reload_perl() {	4229	sub reload_perl() {
3421	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3422	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3423		4232
3424	$RELOAD_WATCHER ||= Event->timer (	4233	$RELOAD_WATCHER ||= cf::async {
3425	reentrant => 0,	4234	Coro::AIO::aio_wait cache_extensions;
3426	after => 0,	4235
3427	data => WF_AUTOCANCEL,	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3428	cb => sub {
3429	do_reload_perl;	4237	do_reload_perl;
3430	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
3431	},	4239	};
3432	);	4240	};
3433	}	4241	}
3434		4242
3435	register_command "reload" => sub {	4243	register_command "reload" => sub {
3436	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
3437		4245
3438	if ($who->flag (FLAG_WIZ)) {	4246	if ($who->flag (FLAG_WIZ)) {
3439	$who->message ("reloading server.");	4247	$who->message ("reloading server.");
		4248	async {
		4249	$Coro::current->{desc} = "perl_reload";
3440	async { reload_perl };	4250	reload_perl;
		4251	};
3441	}	4252	}
3442	};	4253	};
3443		4254
3444	unshift @INC, $LIBDIR;	4255	#############################################################################
3445		4256
3446	my $bug_warning = 0;	4257	my $bug_warning = 0;
3447		4258
3448	our @WAIT_FOR_TICK;
3449	our @WAIT_FOR_TICK_BEGIN;
3450
3451	sub wait_for_tick {	4259	sub wait_for_tick() {
3452	return unless $TICK_WATCHER->is_active;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3453	return if $Coro::current == $Coro::main;
3454		4261
3455	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3456	push @WAIT_FOR_TICK, $signal;
3457	$signal->wait;
3458	}	4263	}
3459		4264
3460	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3461	return unless $TICK_WATCHER->is_active;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3462	return if $Coro::current == $Coro::main;
3463		4267
3464	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3465	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3466	$signal->wait;	4270	$signal->wait;
3467	}	4271	}
3468		4272
3469	$TICK_WATCHER = Event->timer (	4273	sub tick {
3470	reentrant => 0,
3471	parked => 1,
3472	prio => 0,
3473	at => $NEXT_TICK || $TICK,
3474	data => WF_AUTOCANCEL,
3475	cb => sub {
3476	if ($Coro::current != $Coro::main) {	4274	if ($Coro::current != $Coro::main) {
3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3478	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3479	return;	4277	return;
3480	}	4278	}
3481		4279
3482	$NOW = $tick_start = Event::time;	4280	cf::one_tick; # one server iteration
3483		4281
3484	cf::server_tick; # one server iteration	4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3485		4283
3486	$RUNTIME += $TICK;
3487	$NEXT_TICK += $TICK;
3488
3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3490	$NEXT_RUNTIME_WRITE = $NOW + 10;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3491	Coro::async_pool {	4286	Coro::async_pool {
		4287	$Coro::current->{desc} = "runtime saver";
3492	write_runtime	4288	write_runtime_sync
3493	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3494	};
3495	}	4290	};
		4291	}
3496		4292
3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3498	$sig->send;	4294	$sig->send;
3499	}	4295	}
3500	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3501	$sig->send;
3502	}
3503		4297
3504	$NOW = Event::time;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3505
3506	# if we are delayed by four ticks or more, skip them all
3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3508
3509	$TICK_WATCHER->at ($NEXT_TICK);
3510	$TICK_WATCHER->start;
3511
3512	$LOAD = ($NOW - $tick_start) / $TICK;
3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3514		4300
3515	_post_tick;	4301	if (0) {
		4302	if ($NEXT_TICK) {
		4303	my $jitter = $TICK_START - $NEXT_TICK;
		4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4305	debug "jitter $JITTER\n";#d#
		4306	}
3516	},	4307	}
3517	);	4308	}
3518		4309
3519	{	4310	{
		4311	# configure BDB
		4312	info "initialising database";
		4313
3520	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3521	BDB::max_poll_time $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3522	$BDB_POLL_WATCHER = Event->io (	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3523	reentrant => 0,
3524	fd => BDB::poll_fileno,
3525	poll => 'r',
3526	prio => 0,
3527	data => WF_AUTOCANCEL,
3528	cb => \&BDB::poll_cb,
3529	);
3530
3531	BDB::set_sync_prepare {
3532	my $status;
3533	my $current = $Coro::current;
3534	(
3535	sub {
3536	$status = $!;
3537	$current->ready; undef $current;
3538	},
3539	sub {
3540	Coro::schedule while defined $current;
3541	$! = $status;
3542	},
3543	)
3544	};
3545		4317
3546	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3547	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
		4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3548		4325
3549	cf::sync_job {	4326	cf::sync_job {
3550	eval {	4327	eval {
3551	BDB::db_env_open	4328	BDB::db_env_open
3552	$DB_ENV,	4329	$DB_ENV,
…		…
3554	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4331	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3555	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4332	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3556	0666;	4333	0666;
3557		4334
3558	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4335	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3559
3560	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3561	| BDB::LOG_AUTOREMOVE, 1);
3562	$DB_ENV->set_lk_detect;
3563	};	4336	};
3564		4337
3565	cf::cleanup "db_env_open(db): $@" if $@;	4338	cf::cleanup "db_env_open(db): $@" if $@;
3566	};	4339	};
3567	}	4340	}
3568		4341
3569	$BDB_CHECKPOINT_WATCHER = Event->timer (	4342	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3570	after => 11,	4343	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3571	interval => 60,	4344	};
3572	hard => 1,	4345	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3573	prio => 0,
3574	data => WF_AUTOCANCEL,
3575	cb => sub {
3576	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3577	},
3578	);	4347	};
3579	$BDB_TRICKLE_WATCHER = Event->timer (	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3580	after => 5,
3581	interval => 10,
3582	hard => 1,
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => sub {
3586	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3587	},
3588	);	4350	};
		4351
		4352	info "database initialised";
3589	}	4353	}
3590		4354
3591	{	4355	{
		4356	# configure IO::AIO
		4357
		4358	info "initialising aio";
3592	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3593
3594	undef $Coro::AIO::WATCHER;
3595	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3596	$AIO_POLL_WATCHER = Event->io (	4361	undef $AnyEvent::AIO::WATCHER;
3597	reentrant => 0,	4362	info "aio initialised";
3598	data => WF_AUTOCANCEL,
3599	fd => IO::AIO::poll_fileno,
3600	poll => 'r',
3601	prio => 6,
3602	cb => \&IO::AIO::poll_cb,
3603	);
3604	}	4363	}
3605		4364
3606	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3607		4367
3608	sub _log_backtrace {	4368	sub _log_backtrace {
3609	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3610		4370
3611	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3612		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3613	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3614	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3615	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3616	async {	4381	async {
		4382	$Coro::current->{desc} = "abt $msg";
		4383
3617	my @bt = fork_call {	4384	my @bt = fork_call {
3618	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
3619	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4386	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3620	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4387	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3621	or die "addr2line: $!";	4388	or die "addr2line: $!";
…		…
3629	}	4396	}
3630		4397
3631	@funcs	4398	@funcs
3632	};	4399	};
3633		4400
3634	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3635	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3636	--$_log_backtrace;	4404	--$_log_backtrace;
3637	};	4405	};
3638	} else {	4406	} else {
3639	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3640	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3641	}	4409	}
3642	}	4410	}
3643		4411
3644	# load additional modules	4412	# load additional modules
3645	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3646		4415
3647	END { cf::emergency_save }	4416	END { cf::emergency_save }
3648		4417
3649	1	4418	1
3650		4419

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