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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC vs.
Revision 1.609 by root, Tue Nov 20 14:30:22 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	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 2.51 ();	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;
85	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	134	our $DB_ENV;
89		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
90	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		140
92	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
		144	our $NOW;
94		145
95	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
98		149
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		152
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
104	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
105		165
106	binmode STDOUT;	166	binmode STDOUT;
107	binmode STDERR;	167	binmode STDERR;
108		168
109	# read virtual server time, if available	169	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
114	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
115		177
116	mkdir $_	178	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		180
119	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
120		182
121	sub cf::map::normalise;	183	sub cf::map::normalise;
122		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
123	#############################################################################	189	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
126		203
127	=over 4	204	=over 4
128		205
129	=item $cf::UPTIME	206	=item $cf::UPTIME
130		207
131	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.
132		224
133	=item $cf::RUNTIME	225	=item $cf::RUNTIME
134		226
135	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
136	every server tick.	228	every server tick.
137		229
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		233
142	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
145	database environment.	237	database environment.
146		238
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	239	=item $cf::LOADAVG
156		240
157	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
162		246
163	The raw value load value from the last tick.	247	The raw value load value from the last tick.
164		248
165	=item %cf::CFG	249	=item %cf::CFG
166		250
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	252	from wherever your confdir points to.
169		253
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		255
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
175		277
176	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
177		279
178	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
179	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
180	that call.	282	that call.
181		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
182	=back	290	=back
183		291
184	=cut	292	=cut
185		293
186	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	301	my $msg = join "", @_;
189		302
190	$msg .= "\n"	303	$msg .= "\n"
191	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
192		305
193	$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;
194		307
195	LOG llevError, $msg;	308	LOG llevWarn, $msg;
196	};	309	};
197	}	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	};
198		324
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	335	for my $pkg (qw(
210	cf::global cf::attachable	336	cf::global cf::attachable
211	cf::object cf::object::player	337	cf::object cf::object::player
212	cf::client cf::player	338	cf::client cf::player
213	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
214	cf::map cf::party cf::region	341	cf::party cf::region
215	)) {	342	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	344	}
219		345
220	$Event::DIED = sub {	346	$EV::DIED = sub {
221	warn "error in event callback: @_";	347	warn "error in event callback: $@";
222	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
223		354
224	#############################################################################	355	#############################################################################
225		356
226	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
227		358
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	380	$d
250	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
251	}	382	}
252		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
253	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
254		437
255	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
256		439
257	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
258		441
259	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
260		443
261	=cut	444	=cut
262		445
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		447
265	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		512
268	=item cf::lock_wait $string	513	=item cf::lock_wait $string
269		514
270	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
271		516
272	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
273		518
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
277	returned.	522	returned.
278		523
279	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
280	deadlocked coro.	525	deadlocked coro.
…		…
286		531
287	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.
288		533
289	=cut	534	=cut
290		535
291	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		537
294	sub lock_wait($) {	538	sub lock_wait($) {
295	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	540	}
308		541
309	sub lock_acquire($) {	542	sub lock_acquire($) {
310	my ($key) = @_;	543	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	544	}
324		545
325	sub lock_active($) {	546	sub lock_active($) {
326	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	548	}
330		549
331	sub freeze_mainloop {	550	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
333		552
334	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	554	}
336	};	555
337	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
338	$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
339	}	569	}
340		570
341	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
342		572
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	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
345	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.
346		580
347	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
348	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
349		583
350	Useful for short background jobs.	584	Useful for short background jobs.
351		585
352	=cut	586	=cut
353		587
354	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
356		591
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
360		595
361	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
362		598
363	while () {	599	while () {
364	next_job:	600	next_job:
		601
365	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	603
367	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	608	$job->[2]->send;
371	Coro::cede;	609	Coro::cede;
372	goto next_job;	610	goto next_job;
373	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	613	}
375	}	614	}
376		615
377	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	619	} else {
		620	$busy = 0;
382	Coro::schedule;	621	Coro::schedule;
383	}	622	}
384	}	623	}
385	};	624	};
386		625
387	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
388	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
389		630
390	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
391	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
392		634
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
406		648
407	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
408		650
409	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
410		652
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
412	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
413	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
414	acceptable.	656	acceptable.
415		657
416	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
417	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
…		…
421	=cut	663	=cut
422		664
423	sub sync_job(&) {	665	sub sync_job(&) {
424	my ($job) = @_;	666	my ($job) = @_;
425		667
426	if ($Coro::current == $Coro::main) {	668	if (in_main) {
427	my $time = Event::time;	669	my $time = AE::time;
428		670
429	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
431		673
432	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
433		675
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
437		677
438	my $busy = 1;	678	my $busy = 1;
439	my @res;	679	my @res;
440		680
441	(async {	681	(async {
442	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	683	@res = eval { $job->() };
444	warn $@ if $@;	684	error $@ if $@;
445	undef $busy;	685	undef $busy;
446	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
447		687
448	while ($busy) {	688	while ($busy) {
449	if (Coro::nready) {	689	if (Coro::nready) {
450	Coro::cede_notself;	690	Coro::cede_notself;
451	} else {	691	} else {
452	Event::one_event;	692	EV::loop EV::LOOP_ONESHOT;
453	}	693	}
454	}	694	}
455		695
456	$time = Event::time - $time;	696	my $time = AE::time - $time;
457		697
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
462		699
463	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
464	} else {	701	} else {
465	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
466		703
…		…
486	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
487		724
488	$coro	725	$coro
489	}	726	}
490		727
491	=item fork_call { }, $args	728	=item fork_call { }, @args
492		729
493	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
494	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
495	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
496	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
497		734
498	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
499		740
500	sub fork_call(&@) {	741	sub fork_call(&@) {
501	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
502		743
503	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)
506
507	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
508	reset_signals;	745	cf::post_fork;
509	&$cb	746	&$cb
510	}, @args;	747	} @args;
511		748
512	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
513	}	788	}
514		789
515	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
516		791
517	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
527	within each server.	802	within each server.
528		803
529	=cut	804	=cut
530		805
531	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
532	my ($name) = @_;	810	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
534		812
535	eval {	813	eval {
536	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
546	}	824	}
547		825
548	our $DB;	826	our $DB;
549		827
550	sub db_init {	828	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	829	$DB ||= db_table "db";
553	};
554	}	830	}
555		831
556	sub db_get($$) {	832	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
558		834
559	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
560	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
561		839
562	$! ? ()	840	$! ? ()
563	: $data	841	: $data
564	}
565	}	842	}
566		843
567	sub db_put($$$) {	844	sub db_put($$$) {
568	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		874
598	my @data;	875	my @data;
599	my $md5;	876	my $md5;
600		877
601	for (0 .. $#$src) {	878	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	880	}
605		881
606	# if processing is expensive, check	882	# if processing is expensive, check
607	# checksum first	883	# checksum first
608	if (1) {	884	if (1) {
…		…
621		897
622	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
623	}	899	}
624	}	900	}
625		901
626	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
627	my $data = $process->(\@data);	903	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
629		905
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		907
632	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
635		911
…		…
645		921
646	=cut	922	=cut
647		923
648	sub datalog($@) {	924	sub datalog($@) {
649	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	927	}
652		928
653	=back	929	=back
654		930
655	=cut	931	=cut
656		932
657	#############################################################################	933	#############################################################################
658		934
659	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
660		936
661	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
662	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")
663	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
664		940
665	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>
666	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
667	Crossfire TRT).	943	Deliantra).
668		944
669	=over 4	945	=over 4
670		946
671	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
672		948
…		…
716	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
717		993
718	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
719	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
720		996
721	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		999
724	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
725		1001
726	=over 4	1002	=over 4
…		…
850		1126
851	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1129
854	} elsif (ref $type) {	1130	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
856		1132
857	} else {	1133	} else {
858	shift @arg;	1134	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
860	}	1136	}
861	}	1137	}
862	}	1138	}
863		1139
864	sub _object_attach {	1140	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
875	}	1151	}
876		1152
877	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
878	} else {	1154	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1156	}
881		1157
882	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
883	}	1159	}
884		1160
…		…
943		1219
944	for (@$callbacks) {	1220	for (@$callbacks) {
945	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
946		1222
947	if ($@) {	1223	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1225	override;
951	}	1226	}
952		1227
953	return 1 if $override;	1228	return 1 if $override;
954	}	1229	}
955		1230
956	0	1231	0
957	}	1232	}
958		1233
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1235
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1237
963	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
964		1239
…		…
1017		1292
1018	sub reattach {	1293	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1295	my ($obj) = @_;
1021		1296
		1297	# no longer needed after getting rid of delete_package?
1022	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
1023		1299
1024	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1025		1301
1026	@$registry = ();	1302	@$registry = ();
1027		1303
…		…
1032	for (@$attach) {	1308	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1035	}	1311	}
1036	} else {	1312	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1314	}
1039	}	1315	}
1040	}	1316	}
1041		1317
1042	cf::attachable->attach (	1318	cf::attachable->attach (
1043	prio => -1000000,	1319	prio => -1000000,
1044	on_instantiate => sub {	1320	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
1046		1322
1047	$data = from_json $data;	1323	$data = decode_json $data;
1048		1324
1049	for (@$data) {	1325	for (@$data) {
1050	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
1051		1327
1052	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1070		1346
1071	sync_job {	1347	sync_job {
1072	if (length $$rdata) {	1348	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1076		1353
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1361	aio_close $fh;
1082		1362
1083	if (@$objs) {	1363	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1372	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1374	}
1092	} else {	1375	} else {
1093	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1094	}	1377	}
1095		1378
1096	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1383	} else {
1098	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1099	}	1385	}
1100	} else {	1386	} else {
1101	aio_unlink $filename;	1387	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1103	}	1389	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1414	$av = $st->{objs};
1129	}	1415	}
1130		1416
1131	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1134		1421
1135	($data, $av)	1422	($data, $av)
1136	}	1423	}
1137		1424
1138	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1142	=cut	1429	=cut
1143		1430
1144	#############################################################################	1431	#############################################################################
1145	# command handling &c	1432	# command handling &c
1146		1433
1147	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1148		1435
1149	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
1150	$name.	1437	$name.
1151		1438
1152	=cut	1439	=cut
…		…
1158	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1159		1446
1160	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1161	}	1448	}
1162		1449
1163	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1164		1451
1165	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1166	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
1167	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
1168	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
1169	has logged in successfully.	1456	has logged in successfully.
1170		1457
1171	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1172	called.
1173		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
1174	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1175		1466
1176	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1177	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
1178	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
1179	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
1180	log-in.	1471	log-in.
1181		1472
1182	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1183	called.
1184		1474
1185	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1186		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
1187	sub register_extcmd {	1482	sub register_extcmd($$) {
1188	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1189		1484
1190	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1191	}	1486	}
1192		1487
1193	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1194	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1195		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1196	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1197	}	1498	}
1198		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1199	cf::player->attach (	1508	cf::player->attach (
1200	on_command => sub {	1509	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1202		1511
1203	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1204	or return;	1513	or return;
1205		1514
…		…
1213	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1214		1523
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1525
1217	if (ref $msg) {	1526	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1528
1223	my @reply;
1224
1225	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}) {
1226	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1227	}	1547	}
1228		1548
1229	$pl->ext_reply ($reply, @reply)
1230	if $reply;
1231
1232	} else {	1549	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1551	}
1235		1552
1236	cf::override;	1553	cf::override;
1237	},	1554	},
1238	);	1555	);
1239		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
1240	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1241	cf::sync_job {	1586	cf::sync_job {
1242	my %todo;	1587	my %todo;
1243		1588
1244	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1590	next unless -r $path;
…		…
1263		1608
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1611
1267	$ext{source} =	1612	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1270	. $source	1615	. $source
1271	. "\n};\n1";	1616	. "\n};\n1";
1272		1617
1273	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1274	}	1619	}
1275		1620
		1621	my $pass = 0;
1276	my %done;	1622	my %done;
1277	while (%todo) {	1623	while (%todo) {
1278	my $progress;	1624	my $progress;
1279		1625
		1626	++$pass;
		1627
		1628	ext:
1280	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1631	next ext
1283	unless exists $done{$_};	1632	unless exists $done{$_};
1284	}	1633	}
1285		1634
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1636
1288	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 $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1293	warn $msg;	1653
1294	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1655	delete $todo{$k};
1296	}	1656	} else {
1297		1657	$done{$k} = delete $todo{$k};
1298	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1299	}	1663	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1664	}
1305		1665
1306	skip:	1666	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1309	}	1676	}
1310	};	1677	};
1311	}	1678	}
1312		1679
1313	#############################################################################	1680	#############################################################################
1314		1681
1315	=back	1682	=back
1316		1683
1317	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1318		1685
1319	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1320		1687
1321	=cut	1688	=cut
1322		1689
1323	package cf::player;	1690	package cf::player;
1324		1691
…		…
1367		1734
1368	sub exists($) {	1735	sub exists($) {
1369	my ($login) = @_;	1736	my ($login) = @_;
1370		1737
1371	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1373	}	1740	}
1374		1741
1375	sub find($) {	1742	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1744	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1757	or return;
1391		1758
1392	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1393	or return;	1760	or return;
		1761
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1397	}	1765	}
1398	}	1766	}
1399	}	1767	}
1400		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1401	sub save($) {	1782	sub save($) {
1402	my ($pl) = @_;	1783	my ($pl) = @_;
1403		1784
1404	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1405		1786
…		…
1408		1789
1409	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1410		1791
1411	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1412	$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];
1413		1799
1414	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1801	cf::cede_to_tick;
1416	}	1802	}
1417		1803
…		…
1449	my ($pl) = @_;	1835	my ($pl) = @_;
1450		1836
1451	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1452		1838
1453	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1454	$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
1455		1841
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1459	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1460		1850
1461	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1501		1891
1502	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1503	my $path = path $login;	1893	my $path = path $login;
1504		1894
1505	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1901	}
1511		1902
…		…
1515		1906
1516	\@logins	1907	\@logins
1517	}	1908	}
1518		1909
1519	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1520		1913
1521	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1522	player. May block.	1915	player. May block.
1523		1916
1524	=cut	1917	=cut
…		…
1542	}	1935	}
1543		1936
1544	\@paths	1937	\@paths
1545	}	1938	}
1546		1939
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1941
1549	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597
1598	=item $player->ext_reply ($msgid, @msg)
1599
1600	Sends an ext reply to the player.
1601
1602	=cut
1603
1604	sub ext_reply($$@) {
1605	my ($self, $id, @msg) = @_;
1606
1607	$self->ns->ext_reply ($id, @msg)
1608	}
1609		1943
1610	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1611		1945
1612	Sends an ext event to the client.	1946	Sends an ext event to the client.
1613		1947
…		…
1633		1967
1634	=cut	1968	=cut
1635		1969
1636	sub find_by_path($) {	1970	sub find_by_path($) {
1637	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1638		1974
1639	my ($match, $specificity);	1975	my ($match, $specificity);
1640		1976
1641	for my $region (list) {	1977	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1670		2006
1671	sub generate_random_map {	2007	sub generate_random_map {
1672	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1674	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	2013	}
1688		2014
1689	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1690		2016
1691	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
…		…
1696		2022
1697	sub register {	2023	sub register {
1698	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	2025	my $pkg = caller;
1700		2026
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		2028
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	2030	}
1706		2031
1707	# also paths starting with '/'	2032	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		2034
1710	sub thawer_merge {	2035	sub thawer_merge {
1711	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1712		2037
1713	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1718	}	2043	}
1719		2044
1720	sub normalise {	2045	sub normalise {
1721	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1722		2047
1723	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1724		2049
1725	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1726		2051
1727	# map plan:	2052	# map plan:
1728	#	2053	#
…		…
1743	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	2069	$path = "$base/$path";
1745	}	2070	}
1746		2071
1747	for ($path) {	2072	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1751	}	2075	}
1752		2076
1753	$path	2077	$path
…		…
1767	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1768	return $self;	2092	return $self;
1769	}	2093	}
1770	}	2094	}
1771		2095
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2097	()
1774	}	2098	}
1775		2099
		2100	# may re-bless or do other evil things
1776	sub init {	2101	sub init {
1777	my ($self) = @_;	2102	my ($self) = @_;
1778		2103
1779	$self	2104	$self
1780	}	2105	}
…		…
1799		2124
1800	# the temporary/swap location	2125	# the temporary/swap location
1801	sub save_path {	2126	sub save_path {
1802	my ($self) = @_;	2127	my ($self) = @_;
1803		2128
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1806	}	2131	}
1807		2132
1808	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1809	sub uniq_path {	2134	sub uniq_path {
1810	my ($self) = @_;	2135	my ($self) = @_;
1811		2136
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2139	}
1824		2140
1825	sub decay_objects {	2141	sub decay_objects {
1826	my ($self) = @_;	2142	my ($self) = @_;
1827		2143
…		…
1854	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1855		2171
1856	1	2172	1
1857	}	2173	}
1858		2174
		2175	# used to laod the header of an original map
1859	sub load_header_orig {	2176	sub load_header_orig {
1860	my ($self) = @_;	2177	my ($self) = @_;
1861		2178
1862	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1863	}	2180	}
1864		2181
		2182	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2183	sub load_header_temp {
1866	my ($self) = @_;	2184	my ($self) = @_;
1867		2185
1868	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1869	}	2187	}
1870		2188
		2189	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2190	sub prepare_temp {
1872	my ($self) = @_;	2191	my ($self) = @_;
1873		2192
1874	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1876	# safety	2195	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2198	}
1880		2199
		2200	# called after loading the header from an original map
1881	sub prepare_orig {	2201	sub prepare_orig {
1882	my ($self) = @_;	2202	my ($self) = @_;
1883		2203
1884	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2229
1910	sub find;	2230	sub find;
1911	sub find {	2231	sub find {
1912	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1913		2233
		2234	cf::cede_to_tick;
		2235
1914	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1915		2237
1916	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2240
1919	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1924	or return;	2243	or return;
1925		2244
1926	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1927		2246
…		…
1929	or return;	2248	or return;
1930		2249
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1934	undef $guard1;	2254	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2255	$map->reset;
1937	return find $path;	2256	return find $path;
1938	}	2257	}
1939		2258
1940	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1941	}	2260	}
1942	}	2261	}
1943		2262
1944	sub pre_load { }	2263	sub pre_load { }
1945	sub post_load { }	2264	#sub post_load { } # XS
1946		2265
1947	sub load {	2266	sub load {
1948	my ($self) = @_;	2267	my ($self) = @_;
1949		2268
1950	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2272
1954	{	2273	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1956		2275
1957	return unless $self->valid;	2276	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2278
1962	$self->alloc;	2279	$self->alloc;
1963		2280
1964	$self->pre_load;	2281	$self->pre_load;
1965	cf::cede_to_tick;	2282	cf::cede_to_tick;
1966		2283
		2284	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2286	$f->skip_block;
1969	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1970	or return;	2288	or return;
1971		2289
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1973	if delete $self->{load_original};	2291	if delete $self->{load_original};
1974		2292
1975	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2294	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2297	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1982	}	2301	}
1983	}	2302	}
1984	}
1985		2303
1986	$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);
1987		2311
1988	cf::cede_to_tick;	2312	cf::cede_to_tick;
1989	# now do the right thing for maps	2313	# now do the right thing for maps
1990	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2320	$self->decay_objects;
1997	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1998	$self->update_buttons;	2322	$self->update_buttons;
1999	cf::cede_to_tick;	2323	cf::cede_to_tick;
2000	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2325	}
2004		2326
2005	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2329	}
2010		2330
2011	$self->post_load;	2331	$self->post_load;
2012	}
2013		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
2014	sub customise_for {	2339	sub customise_for {
2015	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2016		2341
2017	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2343	if $self->per_player;
…		…
2021	# if $self->per_party;	2346	# if $self->per_party;
2022		2347
2023	$self	2348	$self
2024	}	2349	}
2025		2350
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2351	sub find_sync {
2053	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2054		2353
2055	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
2056	}	2359	}
2057		2360
2058	sub do_load_sync {	2361	sub do_load_sync {
2059	my ($map) = @_;	2362	my ($map) = @_;
2060		2363
		2364	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2063		2367
2064	cf::sync_job { $map->load };	2368	$map->load;
2065	}	2369	}
2066		2370
2067	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2069		2373
2070	sub find_async {	2374	sub find_async {
2071	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2072		2376
2073	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2074		2378
2075	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2077	}	2381	}
2078		2382
2079	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2080		2384
2081	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2096		2400
2097	()	2401	()
2098	}	2402	}
2099		2403
		2404	# common code, used by both ->save and ->swapout
2100	sub save {	2405	sub _save {
2101	my ($self) = @_;	2406	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2407
2105	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2106		2409
2107	return unless $self->dirty;	2410	return unless $self->dirty;
2108		2411
…		…
2117		2420
2118	cf::async {	2421	cf::async {
2119	$Coro::current->{desc} = "map player save";	2422	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2121	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2122		2427
2123	if ($uniq) {	2428	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2431	} else {
2127	$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);
2128	}	2433	}
2129	}	2434	}
2130		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2131	sub swap_out {	2444	sub swap_out {
2132	my ($self) = @_;	2445	my ($self) = @_;
2133		2446
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2139	return if $self->players;	2451	return if $self->players;
2140	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
2141	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2142		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
2143	$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};
2144		2503
2145	$self->deactivate;	2504	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2506	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2507
2193	$self->unlink_save;	2508	$self->unlink_save;
2194	$self->destroy;	2509	$self->destroy;
2195	}	2510	}
2196		2511
…		…
2204		2519
2205	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2206		2521
2207	$self->unlink_save;	2522	$self->unlink_save;
2208		2523
2209	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2529
…		…
2263		2578
2264	sub unique_maps() {	2579	sub unique_maps() {
2265	[	2580	[
2266	map {	2581	map {
2267	utf8::decode $_;	2582	utf8::decode $_;
2268	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2269	? normalise $_	2586	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2588	]
2273	}	2589	}
2274		2590
2275	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	}
2276		2622
2277	=back	2623	=back
2278		2624
2279	=head3 cf::object	2625	=head3 cf::object
2280		2626
…		…
2284		2630
2285	=over 4	2631	=over 4
2286		2632
2287	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2288		2634
2289	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.
2290		2637
2291	=cut	2638	=cut
2292		2639
2293	sub inv_recursive_;	2640	sub inv_recursive_;
2294	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2300	}	2647	}
2301		2648
2302	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2303		2650
2304	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.
2305		2652
2306	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2307		2654
2308	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,
2309	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2310		2657
2311	=cut	2658	=cut
2312		2659
2313	sub deref {	2660	sub deref {
…		…
2341	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
2342	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2343		2690
2344	=cut	2691	=cut
2345		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
2346	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2708	# with dialog boxes.
2348	#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
2349	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2724
2364	} else {	2725	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2728	}
2368	}	2729	}
2369	}	2730	}
2370		2731
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2757
2397	=item $player_object->enter_link	2758	=item $player_object->enter_link
2398		2759
2399	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}>).
2400		2761
2401	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.
2402	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.
2403		2766
2404	Will never block.	2767	Will never block.
2405		2768
2406	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2407		2770
…		…
2427	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2791	my ($self) = @_;
2429		2792
2430	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2431		2794
		2795	++$self->{_link_recursion};
		2796
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2798
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2436		2801
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2803	}
2439		2804
2440	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2442		2807
…		…
2459	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2461		2826
2462	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2465		2830
2466	$map->load;	2831	$map->load;
2467	$map->load_neighbours;
2468		2832
2469	return unless $self->contr->active;	2833	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2834
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2474	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2475		2842
		2843	}
		2844
2476	=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)]])
2477		2846
2478	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
2479	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2480	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
2481	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
2482	be called at the end of this process.	2851	be called at the end of this process.
2483		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
2484	=cut	2856	=cut
2485		2857
2486	our $GOTOGEN;	2858	our $GOTOGEN;
2487		2859
2488	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2490		2868
2491	# 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
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2871
2494	$self->enter_link;	2872	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2515	}	2893	}
2516	}	2894	}
2517		2895
2518	my $map = eval {	2896	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2898
2521	if ($map) {	2899	if ($map) {
2522	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2902	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2904	}
2527		2905
2528	$map	2906	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2539	}	2917	}
2540		2918
2541	$done->() if $done;	2919	$done->($self) if $done;
2542	})->prio (1);	2920	})->prio (1);
2543	}	2921	}
2544		2922
2545	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2546		2924
…		…
2566	}	2944	}
2567		2945
2568	sub prepare_random_map {	2946	sub prepare_random_map {
2569	my ($exit) = @_;	2947	my ($exit) = @_;
2570		2948
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2951	# that depends on the exit object
2576		2952
2577	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2955	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2584	}	2962	}
2585		2963
2586	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2587		2965
2588	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2591		2969
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2972	undef $fh;
2595	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2596		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2599	}	2981	}
2600	}	2982	}
2601		2983
2602	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2604		2986
2605	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2606		2988
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2989	$self->enter_link;
2619		2990
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2991	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2992	$Coro::current->{desc} = "enter_exit";
2626		2993
2627	$self->deactivate_recursive; # just to be sure
2628	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
2629	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2630		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
2631	1;	3030	1
2632	}) {	3031	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "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. "
2635	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2637		3036
2638	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	3038	$self->leave_link;
2640	}	3039	}
2641	})->prio (1);	3040	})->prio (1);
2642	}	3041	}
2643		3042
2644	=head3 cf::client	3043	=head3 cf::client
2645		3044
2646	=over 4	3045	=over 4
2647		3046
2648	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2649		3048
2650	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2651	should not be used under normal circumstances.	3050	them as required.
2652		3051
2653	=cut	3052	=cut
2654		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2655	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2656	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2657		3058
2658	utf8::encode $text;	3059	# try lzf for large packets
2659	$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);
2660	}	3070	}
2661		3071
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3073
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2665	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2668		3078
2669	=cut	3079	=cut
2670		3080
		3081	# non-persistent channels (usually the info channel)
2671	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	},
2672	"c/identify" => {	3089	"c/identify" => {
2673	id => "infobox",	3090	id => "infobox",
2674	title => "Identify",	3091	title => "Identify",
2675	reply => undef,	3092	reply => undef,
2676	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3095	"c/examine" => {
2679	id => "infobox",	3096	id => "infobox",
2680	title => "Examine",	3097	title => "Examine",
2681	reply => undef,	3098	reply => undef,
2682	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3106	},
2684	"c/book" => {	3107	"c/book" => {
2685	id => "infobox",	3108	id => "infobox",
2686	title => "Book",	3109	title => "Book",
2687	reply => undef,	3110	reply => undef,
…		…
2703	id => "infobox",	3126	id => "infobox",
2704	title => "Body Parts",	3127	title => "Body Parts",
2705	reply => undef,	3128	reply => undef,
2706	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2707	},	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	},
2708	"c/uptime" => {	3167	"c/uptime" => {
2709	id => "infobox",	3168	id => "infobox",
2710	title => "Uptime",	3169	title => "Uptime",
2711	reply => undef,	3170	reply => undef,
2712	tooltip => "How long the server has been running sicne last restart",	3171	tooltip => "How long the server has been running since last restart",
2713	},	3172	},
2714	"c/mapinfo" => {	3173	"c/mapinfo" => {
2715	id => "infobox",	3174	id => "infobox",
2716	title => "Map Info",	3175	title => "Map Info",
2717	reply => undef,	3176	reply => undef,
2718	tooltip => "Information related to the maps",	3177	tooltip => "Information related to the maps",
2719	},	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" => $CHAT_CHANNEL,
2720	);	3199	);
2721		3200
2722	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2723	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2724		3203
2725	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2726		3206
2727	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2728		3208
2729	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2730	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2731	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2732		3212
2733	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2734	if $self->can_msg;
2735
2736	$channel = $channel->{id};	3214	$channel = $channel->{id};
2737		3215
2738	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2739	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2740	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2741	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2742	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2743	if $self->can_msg;
2744	}	3221	}
2745		3222
2746	$channel = $channel->{id};	3223	$channel = $channel->{id};
2747	}	3224	}
2748		3225
2749	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2750		3227
2751	if ($self->can_msg) {
2752	# default colour, mask it out	3228	# default colour, mask it out
2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2754	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2755		3231
2756	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2758	} else {	3235	);
2759	if ($color >= 0) {
2760	# replace some tags by gcfclient-compatible ones
2761	for ($msg) {
2762	1 while
2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2768	}
2769		3236
2770	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2771
2772	utf8::encode $msg;
2773
2774	if (0 && $msg =~ /\[/) {
2775	# COMMAND/INFO
2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
2777	} else {
2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2779	$self->send_packet ("drawinfo $color $msg")
2780	}
2781	}
2782	}
2783	}	3238	}
2784		3239
2785	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2786		3241
2787	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2789	=cut	3244	=cut
2790		3245
2791	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2792	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2793		3248
2794	if ($self->extcmd == 2) {
2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2796	} elsif ($self->extcmd == 1) { # TODO: remove
2797	push @msg, msgtype => "event_$type";
2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2799	}
2800	}
2801
2802	=item $client->ext_reply ($msgid, @msg)
2803
2804	Sends an ext reply to the client.
2805
2806	=cut
2807
2808	sub cf::client::ext_reply($$@) {
2809	my ($self, $id, @msg) = @_;
2810
2811	if ($self->extcmd == 2) {
2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2813	} elsif ($self->extcmd == 1) {
2814	#TODO: version 1, remove
2815	unshift @msg, msgtype => "reply", msgid => $id;
2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2817	}
2818	}	3250	}
2819		3251
2820	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2821		3253
2822	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2842		3274
2843	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2844	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2845		3277
2846	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our @COMMAND_FACES; # [normal commands, emotes, dm commands]
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = (
		3291	$COMMAND_FACES[0],
		3292	$COMMAND_FACES[1],
		3293	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACES[2] : ()
		3294	);
		3295
		3296	$self->send_face ($_)
		3297	for @faces;
		3298	$self->flush_fx;
		3299
		3300	$self->ext_msg (command_list => @faces);
		3301	}
		3302
		3303	=item cf::client::set_command_faces $normal_commands, $emotes, $dm_commands
		3304
		3305	=cut
		3306
		3307	sub cf::client::set_command_faces {
		3308	@COMMAND_FACES = @_;
2847	}	3309	}
2848		3310
2849	cf::client->attach (	3311	cf::client->attach (
2850	on_connect => sub {	3312	on_connect => sub {
2851	my ($ns) = @_;	3313	my ($ns) = @_;
…		…
2877	my ($ns, $buf) = @_;	3339	my ($ns, $buf) = @_;
2878		3340
2879	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3341	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2880		3342
2881	if (ref $msg) {	3343	if (ref $msg) {
2882	my ($type, $reply, @payload) =	3344	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2883	"ARRAY" eq ref $msg
2884	? @$msg
2885	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2886		3345
2887	my @reply;
2888
2889	if (my $cb = $EXTICMD{$type}) {	3346	if (my $cb = $EXTIACMD{$type}) {
		3347	$cb->(
		3348	$ns,
		3349	sub {
		3350	$ns->ext_msg ("reply-$reply", @_)
		3351	if $reply;
		3352	},
		3353	@payload
		3354	);
		3355	} else {
		3356	my @reply;
		3357
		3358	if (my $cb = $EXTICMD{$type}) {
2890	@reply = $cb->($ns, @payload);	3359	@reply = $cb->($ns, @payload);
		3360	}
		3361
		3362	$ns->ext_msg ("reply-$reply", @reply)
		3363	if $reply;
2891	}	3364	}
2892
2893	$ns->ext_reply ($reply, @reply)
2894	if $reply;
2895
2896	} else {	3365	} else {
2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3366	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2898	}	3367	}
2899		3368
2900	cf::override;	3369	cf::override;
2901	},	3370	},
2902	);	3371	);
…		…
2922		3391
2923	$coro	3392	$coro
2924	}	3393	}
2925		3394
2926	cf::client->attach (	3395	cf::client->attach (
2927	on_destroy => sub {	3396	on_client_destroy => sub {
2928	my ($ns) = @_;	3397	my ($ns) = @_;
2929		3398
2930	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3399	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2931	},	3400	},
2932	);	3401	);
…		…
2948	our $safe_hole = new Safe::Hole;	3417	our $safe_hole = new Safe::Hole;
2949		3418
2950	$SIG{FPE} = 'IGNORE';	3419	$SIG{FPE} = 'IGNORE';
2951		3420
2952	$safe->permit_only (Opcode::opset qw(	3421	$safe->permit_only (Opcode::opset qw(
2953	:base_core :base_mem :base_orig :base_math	3422	:base_core :base_mem :base_orig :base_math :base_loop
2954	grepstart grepwhile mapstart mapwhile	3423	grepstart grepwhile mapstart mapwhile
2955	sort time	3424	sort time
2956	));	3425	));
2957		3426
2958	# here we export the classes and methods available to script code	3427	# here we export the classes and methods available to script code
…		…
2961		3430
2962	The following functions and methods are available within a safe environment:	3431	The following functions and methods are available within a safe environment:
2963		3432
2964	cf::object	3433	cf::object
2965	contr pay_amount pay_player map x y force_find force_add destroy	3434	contr pay_amount pay_player map x y force_find force_add destroy
2966	insert remove name archname title slaying race decrease_ob_nr	3435	insert remove name archname title slaying race decrease split
		3436	value
2967		3437
2968	cf::object::player	3438	cf::object::player
2969	player	3439	player
2970		3440
2971	cf::player	3441	cf::player
…		…
2976		3446
2977	=cut	3447	=cut
2978		3448
2979	for (	3449	for (
2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3450	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2981	insert remove inv name archname title slaying race	3451	insert remove inv nrof name archname title slaying race
2982	decrease_ob_nr destroy)],	3452	decrease split destroy change_exp value msg lore send_msg)],
2983	["cf::object::player" => qw(player)],	3453	["cf::object::player" => qw(player)],
2984	["cf::player" => qw(peaceful)],	3454	["cf::player" => qw(peaceful send_msg)],
2985	["cf::map" => qw(trigger)],	3455	["cf::map" => qw(trigger)],
2986	) {	3456	) {
2987	no strict 'refs';
2988	my ($pkg, @funs) = @$_;	3457	my ($pkg, @funs) = @$_;
2989	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3458	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2990	for @funs;	3459	for @funs;
2991	}	3460	}
2992		3461
…		…
3007		3476
3008	my $qcode = $code;	3477	my $qcode = $code;
3009	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3478	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3010	$qcode =~ s/\n/\\n/g;	3479	$qcode =~ s/\n/\\n/g;
3011		3480
		3481	%vars = (_dummy => 0) unless %vars;
		3482
		3483	my @res;
3012	local $_;	3484	local $_;
3013	local @safe::cf::_safe_eval_args = values %vars;
3014		3485
3015	my $eval =	3486	my $eval =
3016	"do {\n"	3487	"do {\n"
3017	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3488	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3018	. "#line 0 \"{$qcode}\"\n"	3489	. "#line 0 \"{$qcode}\"\n"
3019	. $code	3490	. $code
3020	. "\n}"	3491	. "\n}"
3021	;	3492	;
3022		3493
		3494	if ($CFG{safe_eval}) {
3023	sub_generation_inc;	3495	sub_generation_inc;
		3496	local @safe::cf::_safe_eval_args = values %vars;
3024	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3497	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3025	sub_generation_inc;	3498	sub_generation_inc;
		3499	} else {
		3500	local @cf::_safe_eval_args = values %vars;
		3501	@res = wantarray ? eval eval : scalar eval $eval;
		3502	}
3026		3503
3027	if ($@) {	3504	if ($@) {
3028	warn "$@";	3505	warn "$@",
3029	warn "while executing safe code '$code'\n";	3506	"while executing safe code '$code'\n",
3030	warn "with arguments " . (join " ", %vars) . "\n";	3507	"with arguments " . (join " ", %vars) . "\n";
3031	}	3508	}
3032		3509
3033	wantarray ? @res : $res[0]	3510	wantarray ? @res : $res[0]
3034	}	3511	}
3035		3512
…		…
3049	=cut	3526	=cut
3050		3527
3051	sub register_script_function {	3528	sub register_script_function {
3052	my ($fun, $cb) = @_;	3529	my ($fun, $cb) = @_;
3053		3530
3054	no strict 'refs';	3531	$fun = "safe::$fun" if $CFG{safe_eval};
3055	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3532	*$fun = $safe_hole->wrap ($cb);
3056	}	3533	}
3057		3534
3058	=back	3535	=back
3059		3536
3060	=cut	3537	=cut
3061		3538
3062	#############################################################################	3539	#############################################################################
3063	# the server's init and main functions	3540	# the server's init and main functions
3064		3541
		3542	{
		3543	package cf::face;
		3544
		3545	our %HASH; # hash => idx
		3546	our @DATA; # dynamically-created facedata, only faceste 0 used
		3547	our @FOFS; # file offset, if > 0
		3548	our @SIZE; # size of face, in octets
		3549	our @META; # meta hash of face, if any
		3550	our $DATAFH; # facedata filehandle
		3551
		3552	# internal api, not finalised
		3553	sub set {
		3554	my ($name, $type, $data) = @_;
		3555
		3556	my $idx = cf::face::find $name;
		3557
		3558	if ($idx) {
		3559	delete $HASH{cf::face::get_csum $idx};
		3560	} else {
		3561	$idx = cf::face::alloc $name;
		3562	}
		3563
		3564	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3565
		3566	cf::face::set_type $idx, $type;
		3567	cf::face::set_csum $idx, 0, $hash;
		3568
		3569	# we need to destroy the SV itself, not just modify it, as a running ix
		3570	# might hold a reference to it: "delete" achieves that.
		3571	delete $FOFS[0][$idx];
		3572	delete $DATA[0][$idx];
		3573	$DATA[0][$idx] = $data;
		3574	$SIZE[0][$idx] = length $data;
		3575	delete $META[$idx];
		3576	$HASH{$hash} = $idx;#d#
		3577
		3578	$idx
		3579	}
		3580
		3581	sub _get_data($$$) {
		3582	my ($idx, $set, $cb) = @_;
		3583
		3584	if (defined $DATA[$set][$idx]) {
		3585	$cb->($DATA[$set][$idx]);
		3586	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3587	my $size = $SIZE[$set][$idx];
		3588	my $buf;
		3589	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3590	if ($_[0] == $size) {
		3591	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3592	$cb->($buf);
		3593	} else {
		3594	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3595	}
		3596	};
		3597	} else {
		3598	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3599	}
		3600	}
		3601
		3602	# rather ineffient
		3603	sub cf::face::get_data($;$) {
		3604	my ($idx, $set) = @_;
		3605
		3606	_get_data $idx, $set, Coro::rouse_cb;
		3607	Coro::rouse_wait
		3608	}
		3609
		3610	sub cf::face::ix {
		3611	my ($ns, $set, $idx, $pri) = @_;
		3612
		3613	_get_data $idx, $set, sub {
		3614	$ns->ix_send ($idx, $pri, $_[0]);
		3615	};
		3616	}
		3617	}
		3618
3065	sub load_facedata($) {	3619	sub load_facedata($) {
3066	my ($path) = @_;	3620	my ($path) = @_;
3067		3621
3068	# HACK to clear player env face cache, we need some signal framework
3069	# for this (global event?)
3070	%ext::player_env::MUSIC_FACE_CACHE = ();
3071
3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3622	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3073		3623
3074	warn "loading facedata from $path\n";	3624	trace "loading facedata from $path\n";
3075		3625
3076	my $facedata;	3626	my $facedata = decode_storable load_file "$path/faceinfo";
3077	0 < aio_load $path, $facedata
3078	or die "$path: $!";
3079
3080	$facedata = Coro::Storable::thaw $facedata;
3081		3627
3082	$facedata->{version} == 2	3628	$facedata->{version} == 2
3083	or cf::cleanup "$path: version mismatch, cannot proceed.";	3629	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3084		3630
3085	# patch in the exptable	3631	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3086	$facedata->{resource}{"res/exp_table"} = {	3632	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3087	type => FT_RSRC,	3633
3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3634	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3089	};	3635
3090	cf::cede_to_tick;	3636	# BEGIN ATOMIC
		3637	# from here on, everything must be atomic - no thread switch allowed
		3638	my $t1 = EV::time;
3091		3639
3092	{	3640	{
3093	my $faces = $facedata->{faceinfo};	3641	my $faces = $facedata->{faceinfo};
3094		3642
3095	while (my ($face, $info) = each %$faces) {	3643	for my $face (sort keys %$faces) {
		3644	my $info = $faces->{$face};
3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3645	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3646
3097	cf::face::set_visibility $idx, $info->{visibility};	3647	cf::face::set_visibility $idx, $info->{visibility};
3098	cf::face::set_magicmap $idx, $info->{magicmap};	3648	cf::face::set_magicmap $idx, $info->{magicmap};
3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3649	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3650	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3101		3651	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3102	cf::cede_to_tick;	3652	$cf::face::HASH{$info->{hash64}} = $idx;
		3653	delete $cf::face::META[$idx];
3103	}	3654	}
3104		3655
3105	while (my ($face, $info) = each %$faces) {	3656	while (my ($face, $info) = each %$faces) {
3106	next unless $info->{smooth};	3657	next unless $info->{smooth};
		3658
3107	my $idx = cf::face::find $face	3659	my $idx = cf::face::find $face
3108	or next;	3660	or next;
		3661
3109	if (my $smooth = cf::face::find $info->{smooth}) {	3662	if (my $smooth = cf::face::find $info->{smooth}) {
3110	cf::face::set_smooth $idx, $smooth;	3663	cf::face::set_smooth $idx, $smooth;
3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3664	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3112	} else {	3665	} else {
3113	warn "smooth face '$info->{smooth}' not found for face '$face'";	3666	error "smooth face '$info->{smooth}' not found for face '$face'";
3114	}	3667	}
3115
3116	cf::cede_to_tick;
3117	}	3668	}
3118	}	3669	}
3119		3670
3120	{	3671	{
3121	my $anims = $facedata->{animinfo};	3672	my $anims = $facedata->{animinfo};
3122		3673
3123	while (my ($anim, $info) = each %$anims) {	3674	while (my ($anim, $info) = each %$anims) {
3124	cf::anim::set $anim, $info->{frames}, $info->{facings};	3675	cf::anim::set $anim, $info->{frames}, $info->{facings};
3125	cf::cede_to_tick;
3126	}	3676	}
3127		3677
3128	cf::anim::invalidate_all; # d'oh	3678	cf::anim::invalidate_all; # d'oh
3129	}	3679	}
3130		3680
3131	{	3681	{
3132	# TODO: for gcfclient pleasure, we should give resources
3133	# that gcfclient doesn't grok a >10000 face index.
3134	my $res = $facedata->{resource};	3682	my $res = $facedata->{resource};
3135		3683
3136	my $soundconf = delete $res->{"res/sound.conf"};
3137
3138	while (my ($name, $info) = each %$res) {	3684	while (my ($name, $info) = each %$res) {
		3685	if (defined (my $type = $info->{type})) {
		3686	# TODO: different hash - must free and use new index, or cache ixface data queue
3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3687	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140	my $data;
3141		3688
3142	if ($info->{type} & 1) {	3689	cf::face::set_type $idx, $type;
3143	# prepend meta info	3690	cf::face::set_csum $idx, 0, $info->{hash};
3144		3691	$cf::face::SIZE[0][$idx] = $info->{size};
3145	my $meta = $enc->encode ({	3692	$cf::face::FOFS[0][$idx] = $info->{fofs};
3146	name => $name,	3693	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3147	%{ $info->{meta} || {} },	3694	$cf::face::HASH{$info->{hash}} = $idx;
3148	});
3149
3150	$data = pack "(w/a*)*", $meta, $info->{data};
3151	} else {	3695	} else {
3152	$data = $info->{data};	3696	# $RESOURCE{$name} = $info; # unused
3153	}	3697	}
3154
3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156	cf::face::set_type $idx, $info->{type};
3157
3158	cf::cede_to_tick;
3159	}
3160
3161	if ($soundconf) {
3162	$soundconf = $enc->decode (delete $soundconf->{data});
3163
3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165	my $sound = $soundconf->{compat}[$_]
3166	or next;
3167
3168	my $face = cf::face::find "sound/$sound->[1]";
3169	cf::sound::set $sound->[0] => $face;
3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171	}	3698	}
3172
3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
3174	my $face = cf::face::find "sound/$v";
3175	cf::sound::set $k => $face;
3176	}
3177	}
3178	}	3699	}
		3700
		3701	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3702
		3703	# HACK to clear player env face cache, we need some signal framework
		3704	# for this (global event?)
		3705	%ext::player_env::MUSIC_FACE_CACHE = ();
		3706
		3707	# END ATOMIC
		3708
		3709	cf::debug "facedata atomic update time ", EV::time - $t1;
		3710
		3711	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3712
		3713	aio_close $fh if $fh; # close old facedata
3179		3714
3180	1	3715	1
3181	}	3716	}
3182		3717
3183	register_exticmd fx_want => sub {	3718	register_exticmd fx_want => sub {
…		…
3185		3720
3186	while (my ($k, $v) = each %$want) {	3721	while (my ($k, $v) = each %$want) {
3187	$ns->fx_want ($k, $v);	3722	$ns->fx_want ($k, $v);
3188	}	3723	}
3189	};	3724	};
		3725
		3726	sub load_resource_file($) {
		3727	my $guard = lock_acquire "load_resource_file";
		3728
		3729	my $status = load_resource_file_ $_[0];
		3730	get_slot 0.1, 100;
		3731	cf::arch::commit_load;
		3732
		3733	$status
		3734	}
		3735
		3736	sub reload_exp_table {
		3737	_reload_exp_table;
		3738
		3739	cf::face::set
		3740	"res/exp_table" => FT_RSRC,
		3741	JSON::XS->new->utf8->canonical->encode (
		3742	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3743	);
		3744	}
		3745
		3746	sub reload_materials {
		3747	_reload_materials;
		3748	}
3190		3749
3191	sub reload_regions {	3750	sub reload_regions {
3192	# HACK to clear player env face cache, we need some signal framework	3751	# HACK to clear player env face cache, we need some signal framework
3193	# for this (global event?)	3752	# for this (global event?)
3194	%ext::player_env::MUSIC_FACE_CACHE = ();	3753	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3201	if exists $_->{match};	3760	if exists $_->{match};
3202	}	3761	}
3203	}	3762	}
3204		3763
3205	sub reload_facedata {	3764	sub reload_facedata {
3206	load_facedata "$DATADIR/facedata"	3765	load_facedata $DATADIR
3207	or die "unable to load facedata\n";	3766	or die "unable to load facedata\n";
3208	}	3767	}
3209		3768
3210	sub reload_archetypes {	3769	sub reload_archetypes {
3211	load_resource_file "$DATADIR/archetypes"	3770	load_resource_file "$DATADIR/archetypes"
3212	or die "unable to load archetypes\n";	3771	or die "unable to load archetypes\n";
3213	#d# NEED to laod twice to resolve forward references	3772
3214	# this really needs to be done in an extra post-pass	3773	cf::face::set
3215	# (which needs to be synchronous, so solve it differently)	3774	"res/skill_info" => FT_RSRC,
3216	load_resource_file "$DATADIR/archetypes"	3775	JSON::XS->new->utf8->canonical->encode (
3217	or die "unable to load archetypes\n";	3776	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3777	);
		3778
		3779	cf::face::set
		3780	"res/spell_paths" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3783	);
3218	}	3784	}
3219		3785
3220	sub reload_treasures {	3786	sub reload_treasures {
3221	load_resource_file "$DATADIR/treasures"	3787	load_resource_file "$DATADIR/treasures"
3222	or die "unable to load treasurelists\n";	3788	or die "unable to load treasurelists\n";
3223	}	3789	}
3224		3790
		3791	sub reload_sound {
		3792	trace "loading sound config from $DATADIR/sound\n";
		3793
		3794	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3795
		3796	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3797	my $sound = $soundconf->{compat}[$_]
		3798	or next;
		3799
		3800	my $face = cf::face::find "sound/$sound->[1]";
		3801	cf::sound::set $sound->[0] => $face;
		3802	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3803	}
		3804
		3805	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3806	my $face = cf::face::find "sound/$v";
		3807	cf::sound::set $k => $face;
		3808	}
		3809	}
		3810
3225	sub reload_resources {	3811	sub reload_resources {
3226	warn "reloading resource files...\n";	3812	trace "reloading resource files...\n";
3227		3813
		3814	reload_materials;
		3815	reload_facedata;
		3816	reload_exp_table;
		3817	reload_sound;
		3818	reload_archetypes;
3228	reload_regions;	3819	reload_regions;
3229	reload_facedata;
3230	#reload_archetypes;#d#
3231	reload_archetypes;
3232	reload_treasures;	3820	reload_treasures;
3233		3821
3234	warn "finished reloading resource files\n";	3822	trace "finished reloading resource files\n";
3235	}
3236
3237	sub init {
3238	reload_resources;
3239	}	3823	}
3240		3824
3241	sub reload_config {	3825	sub reload_config {
3242	open my $fh, "<:utf8", "$CONFDIR/config"	3826	trace "reloading config file...\n";
3243	or return;
3244		3827
3245	local $/;	3828	my $config = load_file "$CONFDIR/config";
3246	*CFG = YAML::Syck::Load <$fh>;	3829	utf8::decode $config;
		3830	*CFG = decode_yaml $config;
3247		3831
3248	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3832	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3249		3833
3250	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3834	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3251	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3835	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3252		3836
3253	if (exists $CFG{mlockall}) {	3837	if (exists $CFG{mlockall}) {
…		…
3257	};	3841	};
3258	warn $@ if $@;	3842	warn $@ if $@;
3259	}	3843	}
3260	}	3844	}
3261		3845
		3846	sub pidfile() {
		3847	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3848	or die "$PIDFILE: $!";
		3849	flock $fh, &Fcntl::LOCK_EX
		3850	or die "$PIDFILE: flock: $!";
		3851	$fh
		3852	}
		3853
		3854	# make sure only one server instance is running at any one time
		3855	sub atomic {
		3856	my $fh = pidfile;
		3857
		3858	my $pid = <$fh>;
		3859	kill 9, $pid if $pid > 0;
		3860
		3861	seek $fh, 0, 0;
		3862	print $fh $$;
		3863	}
		3864
		3865	sub main_loop {
		3866	trace "EV::loop starting\n";
		3867	if (1) {
		3868	EV::loop;
		3869	}
		3870	trace "EV::loop returned\n";
		3871	goto &main_loop unless $REALLY_UNLOOP;
		3872	}
		3873
3262	sub main {	3874	sub main {
		3875	cf::init_globals; # initialise logging
		3876
		3877	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3878	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3879	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3880	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3881
		3882	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3883
3263	# we must not ever block the main coroutine	3884	# we must not ever block the main coroutine
3264	local $Coro::idle = sub {	3885	$Coro::idle = sub {
3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3886	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3266	(async {	3887	(async {
3267	$Coro::current->{desc} = "IDLE BUG HANDLER";	3888	$Coro::current->{desc} = "IDLE BUG HANDLER";
3268	Event::one_event;	3889	EV::loop EV::LOOP_ONESHOT;
3269	})->prio (Coro::PRIO_MAX);	3890	})->prio (Coro::PRIO_MAX);
3270	};	3891	};
3271		3892
		3893	evthread_start IO::AIO::poll_fileno;
		3894
		3895	cf::sync_job {
		3896	cf::incloader::init ();
		3897
		3898	db_init;
		3899
		3900	cf::init_anim;
		3901	cf::init_attackmess;
		3902	cf::init_dynamic;
		3903
		3904	cf::load_settings;
		3905
		3906	reload_resources;
3272	reload_config;	3907	reload_config;
3273	db_init;	3908
		3909	cf::init_uuid;
		3910	cf::init_signals;
		3911	cf::init_skills;
		3912
		3913	cf::init_beforeplay;
		3914
		3915	atomic;
		3916
3274	load_extensions;	3917	load_extensions;
3275		3918
3276	$TICK_WATCHER->start;	3919	utime time, time, $RUNTIMEFILE;
3277	Event::loop;	3920
		3921	# no (long-running) fork's whatsoever before this point(!)
		3922	use POSIX ();
		3923	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3924
		3925	cf::_post_init 0;
		3926	};
		3927
		3928	cf::object::thawer::errors_are_fatal 0;
		3929	info "parse errors in files are no longer fatal from this point on.\n";
		3930
		3931	AE::postpone {
		3932	undef &main; # free gobs of memory :)
		3933	};
		3934
		3935	goto &main_loop;
3278	}	3936	}
3279		3937
3280	#############################################################################	3938	#############################################################################
3281	# initialisation and cleanup	3939	# initialisation and cleanup
3282		3940
3283	# install some emergency cleanup handlers	3941	# install some emergency cleanup handlers
3284	BEGIN {	3942	BEGIN {
		3943	our %SIGWATCHER = ();
3285	for my $signal (qw(INT HUP TERM)) {	3944	for my $signal (qw(INT HUP TERM)) {
3286	Event->signal (	3945	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	signal => $signal,
3290	prio => 0,
3291	cb => sub {
3292	cf::cleanup "SIG$signal";	3946	cf::cleanup "SIG$signal";
3293	},
3294	);	3947	};
3295	}	3948	}
3296	}	3949	}
3297		3950
3298	sub write_runtime {	3951	sub write_runtime_sync {
3299	my $runtime = "$LOCALDIR/runtime";	3952	my $t0 = AE::time;
3300		3953
3301	# first touch the runtime file to show we are still running:	3954	# first touch the runtime file to show we are still running:
3302	# the fsync below can take a very very long time.	3955	# the fsync below can take a very very long time.
3303		3956
3304	IO::AIO::aio_utime $runtime, undef, undef;	3957	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3305		3958
3306	my $guard = cf::lock_acquire "write_runtime";	3959	my $guard = cf::lock_acquire "write_runtime";
3307		3960
3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3961	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3309	or return;	3962	or return;
3310		3963
3311	my $value = $cf::RUNTIME + 90 + 10;	3964	my $value = $cf::RUNTIME + 90 + 10;
3312	# 10 is the runtime save interval, for a monotonic clock	3965	# 10 is the runtime save interval, for a monotonic clock
3313	# 60 allows for the watchdog to kill the server.	3966	# 60 allows for the watchdog to kill the server.
…		…
3323	aio_utime $fh, undef, undef;	3976	aio_utime $fh, undef, undef;
3324		3977
3325	close $fh	3978	close $fh
3326	or return;	3979	or return;
3327		3980
3328	aio_rename "$runtime~", $runtime	3981	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3329	and return;	3982	and return;
3330		3983
3331	warn "runtime file written.\n";	3984	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3332		3985
3333	1	3986	1
		3987	}
		3988
		3989	our $uuid_lock;
		3990	our $uuid_skip;
		3991
		3992	sub write_uuid_sync($) {
		3993	$uuid_skip ||= $_[0];
		3994
		3995	return if $uuid_lock;
		3996	local $uuid_lock = 1;
		3997
		3998	my $uuid = "$LOCALDIR/uuid";
		3999
		4000	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4001	or return;
		4002
		4003	my $value = uuid_seq uuid_cur;
		4004
		4005	unless ($value) {
		4006	info "cowardly refusing to write zero uuid value!\n";
		4007	return;
		4008	}
		4009
		4010	my $value = uuid_str $value + $uuid_skip;
		4011	$uuid_skip = 0;
		4012
		4013	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4014	and return;
		4015
		4016	# always fsync - this file is important
		4017	aio_fsync $fh
		4018	and return;
		4019
		4020	close $fh
		4021	or return;
		4022
		4023	aio_rename "$uuid~", $uuid
		4024	and return;
		4025
		4026	trace "uuid file written ($value).\n";
		4027
		4028	1
		4029
		4030	}
		4031
		4032	sub write_uuid($$) {
		4033	my ($skip, $sync) = @_;
		4034
		4035	$sync ? write_uuid_sync $skip
		4036	: async { write_uuid_sync $skip };
3334	}	4037	}
3335		4038
3336	sub emergency_save() {	4039	sub emergency_save() {
3337	my $freeze_guard = cf::freeze_mainloop;	4040	my $freeze_guard = cf::freeze_mainloop;
3338		4041
3339	warn "enter emergency perl save\n";	4042	info "emergency_perl_save: enter\n";
		4043
		4044	# this is a trade-off: we want to be very quick here, so
		4045	# save all maps without fsync, and later call a global sync
		4046	# (which in turn might be very very slow)
		4047	local $USE_FSYNC = 0;
3340		4048
3341	cf::sync_job {	4049	cf::sync_job {
		4050	cf::write_runtime_sync; # external watchdog should not bark
		4051
3342	# use a peculiar iteration method to avoid tripping on perl	4052	# use a peculiar iteration method to avoid tripping on perl
3343	# refcount bugs in for. also avoids problems with players	4053	# refcount bugs in for. also avoids problems with players
3344	# and maps saved/destroyed asynchronously.	4054	# and maps saved/destroyed asynchronously.
3345	warn "begin emergency player save\n";	4055	info "emergency_perl_save: begin player save\n";
3346	for my $login (keys %cf::PLAYER) {	4056	for my $login (keys %cf::PLAYER) {
3347	my $pl = $cf::PLAYER{$login} or next;	4057	my $pl = $cf::PLAYER{$login} or next;
3348	$pl->valid or next;	4058	$pl->valid or next;
3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4059	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3350	$pl->save;	4060	$pl->save;
3351	}	4061	}
3352	warn "end emergency player save\n";	4062	info "emergency_perl_save: end player save\n";
3353		4063
3354	warn "begin emergency map save\n";	4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	info "emergency_perl_save: begin map save\n";
3355	for my $path (keys %cf::MAP) {	4067	for my $path (keys %cf::MAP) {
3356	my $map = $cf::MAP{$path} or next;	4068	my $map = $cf::MAP{$path} or next;
3357	$map->valid or next;	4069	$map->valid or next;
3358	$map->save;	4070	$map->save;
3359	}	4071	}
3360	warn "end emergency map save\n";	4072	info "emergency_perl_save: end map save\n";
3361		4073
3362	warn "begin emergency database checkpoint\n";	4074	cf::write_runtime_sync; # external watchdog should not bark
		4075
		4076	info "emergency_perl_save: begin database checkpoint\n";
3363	BDB::db_env_txn_checkpoint $DB_ENV;	4077	BDB::db_env_txn_checkpoint $DB_ENV;
3364	warn "end emergency database checkpoint\n";	4078	info "emergency_perl_save: end database checkpoint\n";
		4079
		4080	info "emergency_perl_save: begin write uuid\n";
		4081	write_uuid_sync 1;
		4082	info "emergency_perl_save: end write uuid\n";
		4083
		4084	cf::write_runtime_sync; # external watchdog should not bark
		4085
		4086	trace "emergency_perl_save: syncing database to disk";
		4087	BDB::db_env_txn_checkpoint $DB_ENV;
		4088
		4089	info "emergency_perl_save: starting sync\n";
		4090	IO::AIO::aio_sync sub {
		4091	info "emergency_perl_save: finished sync\n";
		4092	};
		4093
		4094	cf::write_runtime_sync; # external watchdog should not bark
		4095
		4096	trace "emergency_perl_save: flushing outstanding aio requests";
		4097	while (IO::AIO::nreqs || BDB::nreqs) {
		4098	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4099	}
		4100
		4101	cf::write_runtime_sync; # external watchdog should not bark
3365	};	4102	};
3366		4103
3367	warn "leave emergency perl save\n";	4104	info "emergency_perl_save: leave\n";
3368	}	4105	}
3369		4106
3370	sub post_cleanup {	4107	sub post_cleanup {
3371	my ($make_core) = @_;	4108	my ($make_core) = @_;
3372		4109
		4110	IO::AIO::flush;
		4111
3373	warn Carp::longmess "post_cleanup backtrace"	4112	error Carp::longmess "post_cleanup backtrace"
3374	if $make_core;	4113	if $make_core;
		4114
		4115	my $fh = pidfile;
		4116	unlink $PIDFILE if <$fh> == $$;
		4117	}
		4118
		4119	# a safer delete_package, copied from Symbol
		4120	sub clear_package($) {
		4121	my $pkg = shift;
		4122
		4123	# expand to full symbol table name if needed
		4124	unless ($pkg =~ /^main::.*::$/) {
		4125	$pkg = "main$pkg" if $pkg =~ /^::/;
		4126	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4127	$pkg .= '::' unless $pkg =~ /::$/;
		4128	}
		4129
		4130	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4131	my $stem_symtab = *{$stem}{HASH};
		4132
		4133	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4134	or return;
		4135
		4136	# clear all symbols
		4137	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4138	for my $name (keys %$leaf_symtab) {
		4139	_gv_clear *{"$pkg$name"};
		4140	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4141	}
3375	}	4142	}
3376		4143
3377	sub do_reload_perl() {	4144	sub do_reload_perl() {
3378	# can/must only be called in main	4145	# can/must only be called in main
3379	if ($Coro::current != $Coro::main) {	4146	unless (in_main) {
3380	warn "can only reload from main coroutine";	4147	error "can only reload from main coroutine";
3381	return;	4148	return;
3382	}	4149	}
3383		4150
3384	warn "reloading...";	4151	return if $RELOAD++;
3385		4152
3386	warn "entering sync_job";	4153	my $t1 = AE::time;
3387		4154
		4155	while ($RELOAD) {
		4156	cf::get_slot 0.1, -1, "reload_perl";
		4157	info "perl_reload: reloading...";
		4158
		4159	trace "perl_reload: entering sync_job";
		4160
3388	cf::sync_job {	4161	cf::sync_job {
3389	cf::write_runtime; # external watchdog should not bark
3390	cf::emergency_save;	4162	#cf::emergency_save;
3391	cf::write_runtime; # external watchdog should not bark
3392		4163
3393	warn "syncing database to disk";
3394	BDB::db_env_txn_checkpoint $DB_ENV;
3395
3396	# if anything goes wrong in here, we should simply crash as we already saved
3397
3398	warn "cancelling all WF_AUTOCANCEL watchers";
3399	for (Event::all_watchers) {
3400	$_->cancel if $_->data & WF_AUTOCANCEL;
3401	}
3402
3403	warn "flushing outstanding aio requests";
3404	for (;;) {
3405	BDB::flush;
3406	IO::AIO::flush;
3407	Coro::cede_notself;
3408	last unless IO::AIO::nreqs || BDB::nreqs;
3409	warn "iterate...";
3410	}
3411
3412	++$RELOAD;
3413
3414	warn "cancelling all extension coros";	4164	trace "perl_reload: cancelling all extension coros";
3415	$_->cancel for values %EXT_CORO;	4165	$_->cancel for values %EXT_CORO;
3416	%EXT_CORO = ();	4166	%EXT_CORO = ();
3417		4167
3418	warn "removing commands";	4168	trace "perl_reload: removing commands";
3419	%COMMAND = ();	4169	%COMMAND = ();
3420		4170
3421	warn "removing ext/exti commands";	4171	trace "perl_reload: removing ext/exti commands";
3422	%EXTCMD = ();	4172	%EXTCMD = ();
3423	%EXTICMD = ();	4173	%EXTICMD = ();
3424		4174
3425	warn "unloading/nuking all extensions";	4175	trace "perl_reload: unloading/nuking all extensions";
3426	for my $pkg (@EXTS) {	4176	for my $pkg (@EXTS) {
3427	warn "... unloading $pkg";	4177	trace "... unloading $pkg";
3428		4178
3429	if (my $cb = $pkg->can ("unload")) {	4179	if (my $cb = $pkg->can ("unload")) {
3430	eval {	4180	eval {
3431	$cb->($pkg);	4181	$cb->($pkg);
3432	1	4182	1
3433	} or warn "$pkg unloaded, but with errors: $@";	4183	} or error "$pkg unloaded, but with errors: $@";
		4184	}
		4185
		4186	trace "... clearing $pkg";
		4187	clear_package $pkg;
3434	}	4188	}
3435		4189
3436	warn "... nuking $pkg";
3437	Symbol::delete_package $pkg;
3438	}
3439
3440	warn "unloading all perl modules loaded from $LIBDIR";	4190	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3441	while (my ($k, $v) = each %INC) {	4191	while (my ($k, $v) = each %INC) {
3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3443		4193
3444	warn "... unloading $k";	4194	trace "... unloading $k";
3445	delete $INC{$k};	4195	delete $INC{$k};
3446		4196
3447	$k =~ s/\.pm$//;	4197	$k =~ s/\.pm$//;
3448	$k =~ s/\//::/g;	4198	$k =~ s/\//::/g;
3449		4199
3450	if (my $cb = $k->can ("unload_module")) {	4200	if (my $cb = $k->can ("unload_module")) {
3451	$cb->();	4201	$cb->();
		4202	}
		4203
		4204	clear_package $k;
3452	}	4205	}
3453		4206
3454	Symbol::delete_package $k;
3455	}
3456
3457	warn "getting rid of safe::, as good as possible";	4207	trace "perl_reload: getting rid of safe::, as good as possible";
3458	Symbol::delete_package "safe::$_"	4208	clear_package "safe::$_"
3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3460		4210
3461	warn "unloading cf.pm \"a bit\"";	4211	trace "perl_reload: unloading cf.pm \"a bit\"";
3462	delete $INC{"cf.pm"};	4212	delete $INC{"cf.pm"};
3463	delete $INC{"cf/pod.pm"};	4213	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3464		4214
3465	# don't, removes xs symbols, too,	4215	# don't, removes xs symbols, too,
3466	# and global variables created in xs	4216	# and global variables created in xs
3467	#Symbol::delete_package __PACKAGE__;	4217	#clear_package __PACKAGE__;
3468		4218
3469	warn "unload completed, starting to reload now";	4219	info "perl_reload: unload completed, starting to reload now";
3470		4220
3471	warn "reloading cf.pm";	4221	trace "perl_reload: reloading cf.pm";
3472	require cf;	4222	require cf;
3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4223	cf::_connect_to_perl_1;
3474		4224
3475	warn "loading config and database again";	4225	trace "perl_reload: loading config and database again";
3476	cf::reload_config;	4226	cf::reload_config;
3477		4227
3478	warn "loading extensions";	4228	trace "perl_reload: loading extensions";
3479	cf::load_extensions;	4229	cf::load_extensions;
3480		4230
		4231	if ($REATTACH_ON_RELOAD) {
3481	warn "reattaching attachments to objects/players";	4232	trace "perl_reload: reattaching attachments to objects/players";
3482	_global_reattach; # objects, sockets	4233	_global_reattach; # objects, sockets
3483	warn "reattaching attachments to maps";	4234	trace "perl_reload: reattaching attachments to maps";
3484	reattach $_ for values %MAP;	4235	reattach $_ for values %MAP;
3485	warn "reattaching attachments to players";	4236	trace "perl_reload: reattaching attachments to players";
3486	reattach $_ for values %PLAYER;	4237	reattach $_ for values %PLAYER;
		4238	}
3487		4239
3488	warn "leaving sync_job";	4240	cf::_post_init 1;
3489		4241
		4242	trace "perl_reload: leaving sync_job";
		4243
3490	1	4244	1
3491	} or do {	4245	} or do {
3492	warn $@;	4246	error $@;
3493	warn "error while reloading, exiting.";	4247	cf::cleanup "perl_reload: error, exiting.";
3494	exit 1;	4248	};
		4249
		4250	--$RELOAD;
3495	};	4251	}
3496		4252
3497	warn "reloaded";	4253	$t1 = AE::time - $t1;
		4254	info "perl_reload: completed in ${t1}s\n";
3498	};	4255	};
3499		4256
3500	our $RELOAD_WATCHER; # used only during reload	4257	our $RELOAD_WATCHER; # used only during reload
3501		4258
3502	sub reload_perl() {	4259	sub reload_perl() {
3503	# doing reload synchronously and two reloads happen back-to-back,	4260	# doing reload synchronously and two reloads happen back-to-back,
3504	# coro crashes during coro_state_free->destroy here.	4261	# coro crashes during coro_state_free->destroy here.
3505		4262
3506	$RELOAD_WATCHER ||= Event->timer (	4263	$RELOAD_WATCHER ||= cf::async {
3507	reentrant => 0,	4264	Coro::AIO::aio_wait cache_extensions;
3508	after => 0,	4265
3509	data => WF_AUTOCANCEL,	4266	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3510	cb => sub {
3511	do_reload_perl;	4267	do_reload_perl;
3512	undef $RELOAD_WATCHER;	4268	undef $RELOAD_WATCHER;
3513	},	4269	};
3514	);	4270	};
3515	}	4271	}
3516		4272
3517	register_command "reload" => sub {	4273	register_command "reload" => sub {
3518	my ($who, $arg) = @_;	4274	my ($who, $arg) = @_;
3519		4275
…		…
3524	reload_perl;	4280	reload_perl;
3525	};	4281	};
3526	}	4282	}
3527	};	4283	};
3528		4284
3529	unshift @INC, $LIBDIR;	4285	#############################################################################
3530		4286
3531	my $bug_warning = 0;	4287	my $bug_warning = 0;
3532		4288
3533	our @WAIT_FOR_TICK;
3534	our @WAIT_FOR_TICK_BEGIN;
3535
3536	sub wait_for_tick {	4289	sub wait_for_tick() {
3537	return unless $TICK_WATCHER->is_active;	4290	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3538	return if $Coro::current == $Coro::main;
3539		4291
3540	my $signal = new Coro::Signal;	4292	$WAIT_FOR_TICK->wait;
3541	push @WAIT_FOR_TICK, $signal;
3542	$signal->wait;
3543	}	4293	}
3544		4294
3545	sub wait_for_tick_begin {	4295	sub wait_for_tick_begin() {
3546	return unless $TICK_WATCHER->is_active;	4296	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3547	return if $Coro::current == $Coro::main;
3548		4297
3549	my $signal = new Coro::Signal;	4298	my $signal = new Coro::Signal;
3550	push @WAIT_FOR_TICK_BEGIN, $signal;	4299	push @WAIT_FOR_TICK_BEGIN, $signal;
3551	$signal->wait;	4300	$signal->wait;
3552	}	4301	}
3553		4302
3554	$TICK_WATCHER = Event->timer (	4303	sub tick {
3555	reentrant => 0,
3556	parked => 1,
3557	prio => 0,
3558	at => $NEXT_TICK || $TICK,
3559	data => WF_AUTOCANCEL,
3560	cb => sub {
3561	if ($Coro::current != $Coro::main) {	4304	if ($Coro::current != $Coro::main) {
3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4305	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3563	unless ++$bug_warning > 10;	4306	unless ++$bug_warning > 10;
3564	return;	4307	return;
3565	}	4308	}
3566		4309
3567	$NOW = $tick_start = Event::time;	4310	cf::one_tick; # one server iteration
3568		4311
3569	cf::server_tick; # one server iteration	4312	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3570		4313
3571	$RUNTIME += $TICK;
3572	$NEXT_TICK += $TICK;
3573
3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4314	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4315	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3576	Coro::async_pool {	4316	Coro::async_pool {
3577	$Coro::current->{desc} = "runtime saver";	4317	$Coro::current->{desc} = "runtime saver";
3578	write_runtime	4318	write_runtime_sync
3579	or warn "ERROR: unable to write runtime file: $!";	4319	or error "ERROR: unable to write runtime file: $!";
3580	};
3581	}	4320	};
		4321	}
3582		4322
3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4323	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3584	$sig->send;	4324	$sig->send;
3585	}	4325	}
3586	while (my $sig = shift @WAIT_FOR_TICK) {	4326	$WAIT_FOR_TICK->broadcast;
3587	$sig->send;
3588	}
3589		4327
3590	$NOW = Event::time;	4328	$LOAD = ($NOW - $TICK_START) / $TICK;
3591
3592	# if we are delayed by four ticks or more, skip them all
3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3594
3595	$TICK_WATCHER->at ($NEXT_TICK);
3596	$TICK_WATCHER->start;
3597
3598	$LOAD = ($NOW - $tick_start) / $TICK;
3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4329	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3600		4330
3601	_post_tick;	4331	if (0) {
		4332	if ($NEXT_TICK) {
		4333	my $jitter = $TICK_START - $NEXT_TICK;
		4334	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4335	debug "jitter $JITTER\n";#d#
		4336	}
3602	},	4337	}
3603	);	4338	}
3604		4339
3605	{	4340	{
		4341	# configure BDB
		4342	info "initialising database";
		4343
3606	BDB::min_parallel 8;	4344	BDB::min_parallel 16;
3607	BDB::max_poll_time $TICK * 0.1;	4345	BDB::max_poll_reqs $TICK * 0.1;
3608	$BDB_POLL_WATCHER = Event->io (	4346	#$AnyEvent::BDB::WATCHER->priority (1);
3609	reentrant => 0,
3610	fd => BDB::poll_fileno,
3611	poll => 'r',
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => \&BDB::poll_cb,
3615	);
3616
3617	BDB::set_sync_prepare {
3618	my $status;
3619	my $current = $Coro::current;
3620	(
3621	sub {
3622	$status = $!;
3623	$current->ready; undef $current;
3624	},
3625	sub {
3626	Coro::schedule while defined $current;
3627	$! = $status;
3628	},
3629	)
3630	};
3631		4347
3632	unless ($DB_ENV) {	4348	unless ($DB_ENV) {
3633	$DB_ENV = BDB::db_env_create;	4349	$DB_ENV = BDB::db_env_create;
3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4350	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3635	| BDB::LOG_AUTOREMOVE, 1);	4351	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4352	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4353	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4354	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3638		4355
3639	cf::sync_job {	4356	cf::sync_job {
3640	eval {	4357	eval {
…		…
3650		4367
3651	cf::cleanup "db_env_open(db): $@" if $@;	4368	cf::cleanup "db_env_open(db): $@" if $@;
3652	};	4369	};
3653	}	4370	}
3654		4371
3655	$BDB_DEADLOCK_WATCHER = Event->timer (	4372	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3656	after => 3,
3657	interval => 1,
3658	hard => 1,
3659	prio => 0,
3660	data => WF_AUTOCANCEL,
3661	cb => sub {
3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4373	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663	},
3664	);	4374	};
3665	$BDB_CHECKPOINT_WATCHER = Event->timer (	4375	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3666	after => 11,
3667	interval => 60,
3668	hard => 1,
3669	prio => 0,
3670	data => WF_AUTOCANCEL,
3671	cb => sub {
3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4376	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673	},
3674	);	4377	};
3675	$BDB_TRICKLE_WATCHER = Event->timer (	4378	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3676	after => 5,
3677	interval => 10,
3678	hard => 1,
3679	prio => 0,
3680	data => WF_AUTOCANCEL,
3681	cb => sub {
3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4379	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683	},
3684	);	4380	};
		4381
		4382	info "database initialised";
3685	}	4383	}
3686		4384
3687	{	4385	{
		4386	# configure IO::AIO
		4387
		4388	info "initialising aio";
3688	IO::AIO::min_parallel 8;	4389	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4390	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = Event->io (	4391	undef $AnyEvent::AIO::WATCHER;
3693	reentrant => 0,	4392	info "aio initialised";
3694	data => WF_AUTOCANCEL,
3695	fd => IO::AIO::poll_fileno,
3696	poll => 'r',
3697	prio => 0,
3698	cb => \&IO::AIO::poll_cb,
3699	);
3700	}	4393	}
3701		4394
3702	my $_log_backtrace;	4395	our $_log_backtrace;
		4396	our $_log_backtrace_last;
3703		4397
3704	sub _log_backtrace {	4398	sub _log_backtrace {
3705	my ($msg, @addr) = @_;	4399	my ($msg, @addr) = @_;
3706		4400
3707	$msg =~ s/\n//;	4401	$msg =~ s/\n$//;
3708		4402
		4403	if ($_log_backtrace_last eq $msg) {
		4404	LOG llevInfo, "[ABT] $msg\n";
		4405	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3709	# limit the # of concurrent backtraces	4406	# limit the # of concurrent backtraces
3710	if ($_log_backtrace < 2) {	4407	} elsif ($_log_backtrace < 2) {
		4408	$_log_backtrace_last = $msg;
3711	++$_log_backtrace;	4409	++$_log_backtrace;
		4410	my $perl_bt = Carp::longmess $msg;
3712	async {	4411	async {
3713	$Coro::current->{desc} = "abt $msg";	4412	$Coro::current->{desc} = "abt $msg";
3714		4413
3715	my @bt = fork_call {	4414	my @bt = fork_call {
3716	@addr = map { sprintf "%x", $_ } @addr;	4415	@addr = map { sprintf "%x", $_ } @addr;
…		…
3727	}	4426	}
3728		4427
3729	@funcs	4428	@funcs
3730	};	4429	};
3731		4430
3732	LOG llevInfo, "[ABT] $msg\n";	4431	LOG llevInfo, "[ABT] $perl_bt\n";
		4432	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3733	LOG llevInfo, "[ABT] $_\n" for @bt;	4433	LOG llevInfo, "[ABT] $_\n" for @bt;
3734	--$_log_backtrace;	4434	--$_log_backtrace;
3735	};	4435	};
3736	} else {	4436	} else {
3737	LOG llevInfo, "[ABT] $msg\n";	4437	LOG llevInfo, "[ABT] $msg\n";
3738	LOG llevInfo, "[ABT] [suppressed]\n";	4438	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3739	}	4439	}
3740	}	4440	}
3741		4441
3742	# load additional modules	4442	# load additional modules
3743	use cf::pod;	4443	require "cf/$_.pm" for @EXTRA_MODULES;
		4444	cf::_connect_to_perl_2;
3744		4445
3745	END { cf::emergency_save }	4446	END { cf::emergency_save }
3746		4447
3747	1	4448	1
3748		4449

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