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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	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";
68	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
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	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;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		117
100	our %RESOURCE;	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;
101		125
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	128	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		130
107	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	134	our $DB_ENV;
111		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
112	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		140
114	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
116	our $NOW;	144	our $NOW;
117		145
118	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		152
125	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)
126	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	155	our $JITTER; # average jitter
128	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;
129		165
130	binmode STDOUT;	166	binmode STDOUT;
131	binmode STDERR;	167	binmode STDERR;
132		168
133	# read virtual server time, if available	169	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
138	}	174	}
139		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
140	mkdir $_	178	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		180
143	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
144		182
145	sub cf::map::normalise;	183	sub cf::map::normalise;
146		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
147	#############################################################################	189	#############################################################################
148		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
149	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
150		203
151	=over 4	204	=over 4
152		205
153	=item $cf::UPTIME	206	=item $cf::UPTIME
154		207
155	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.
156		224
157	=item $cf::RUNTIME	225	=item $cf::RUNTIME
158		226
159	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
160	every server tick.	228	every server tick.
161		229
162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
165		233
166	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
169	database environment.	237	database environment.
170		238
171	=item $cf::NOW
172
173	The time of the last (current) server tick.
174
175	=item $cf::TICK
176
177	The interval between server ticks, in seconds.
178
179	=item $cf::LOADAVG	239	=item $cf::LOADAVG
180		240
181	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
192	from wherever your confdir points to.	252	from wherever your confdir points to.
193		253
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		255
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
197	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
199		277
200	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
201		279
202	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
203	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
204	that call.	282	that call.
205		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
206	=back	290	=back
207		291
208	=cut	292	=cut
209		293
210	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
211	*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 {
212	my $msg = join "", @_;	301	my $msg = join "", @_;
213		302
214	$msg .= "\n"	303	$msg .= "\n"
215	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
216		305
217	$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;
218		307
219	LOG llevError, $msg;	308	LOG llevWarn, $msg;
220	};	309	};
221	}
222		310
223	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
225		313
226	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	318	return;#d#
229	}#d#	319	}#d#
230		320
231	# kill coroutine otherwise	321	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	322	Coro::terminate
234	};	323	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		324
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	342	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	344	}
258		345
259	$EV::DIED = sub {	346	$EV::DIED = sub {
260	warn "error in event callback: @_";	347	warn "error in event callback: $@";
261	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
262		354
263	#############################################################################	355	#############################################################################
264		356
265	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
266		358
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	380	$d
289	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
290	}	382	}
291		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
292	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
293		437
294	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
295		439
296	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		447
304	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
306		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	}
		512
307	=item cf::lock_wait $string	513	=item cf::lock_wait $string
308		514
309	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
310		516
311	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
312		518
313	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
314	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,
315	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
316	returned.	522	returned.
317		523
318	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
319	deadlocked coro.	525	deadlocked coro.
…		…
325		531
326	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.
327		533
328	=cut	534	=cut
329		535
330	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		537
333	sub lock_wait($) {	538	sub lock_wait($) {
334	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	540	}
347		541
348	sub lock_acquire($) {	542	sub lock_acquire($) {
349	my ($key) = @_;	543	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	544	}
363		545
364	sub lock_active($) {	546	sub lock_active($) {
365	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	548	}
369		549
370	sub freeze_mainloop {	550	sub freeze_mainloop {
371	tick_inhibit_inc;	551	tick_inhibit_inc;
372		552
373	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
374	}	554	}
375		555
376	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
377		557
378	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	559	get spread over time.
380		560
381	=cut	561	=cut
382		562
383	sub periodic($$) {	563	sub periodic($$) {
384	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
389	}	569	}
390		570
391	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
392		572
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
396		580
397	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
398	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
399		583
400	Useful for short background jobs.	584	Useful for short background jobs.
401		585
402	=cut	586	=cut
403		587
404	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
406		591
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
410		595
411	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
412		598
413	while () {	599	while () {
414	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
415	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	605
417	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	610	$job->[2]->send;
421	Coro::cede;
422	goto next_job;	611	goto next_job;
423	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	614	}
425	}	615	}
426		616
427	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
429	push @cf::WAIT_FOR_TICK, $signal;
430	$signal->wait;
431	} else {	619	} else {
		620	$busy = 0;
432	Coro::schedule;	621	Coro::schedule;
433	}	622	}
434	}	623	}
435	};	624	};
436		625
437	sub get_slot($;$$) {	626	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
439		628
440	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
441		630
442	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
443	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
444		634
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
473	=cut	663	=cut
474		664
475	sub sync_job(&) {	665	sub sync_job(&) {
476	my ($job) = @_;	666	my ($job) = @_;
477		667
478	if ($Coro::current == $Coro::main) {	668	if (in_main) {
479	my $time = EV::time;	669	my $time = AE::time;
480		670
481	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
483		673
484	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
485		675
486	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
487		677
488	my $busy = 1;	678	my $busy = 1;
489	my @res;	679	my @res;
490		680
491	(async {	681	(async {
492	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	683	@res = eval { $job->() };
494	warn $@ if $@;	684	error $@ if $@;
495	undef $busy;	685	undef $busy;
496	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
497		687
498	while ($busy) {	688	while ($busy) {
499	if (Coro::nready) {	689	if (Coro::nready) {
…		…
501	} else {	691	} else {
502	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
503	}	693	}
504	}	694	}
505		695
506	my $time = EV::time - $time;	696	my $time = AE::time - $time;
507		697
508	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
509		699
510	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
511	} else {	701	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
534		724
535	$coro	725	$coro
536	}	726	}
537		727
538	=item fork_call { }, $args	728	=item fork_call { }, @args
539		729
540	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
544		734
545	=cut	735	=cut
546		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
547	sub fork_call(&@) {	741	sub fork_call(&@) {
548	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
549		743
550	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)
553
554	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
555	reset_signals;	745	cf::post_fork;
556	&$cb	746	&$cb
557	}, @args;	747	} @args;
558		748
559	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	)
560	}	761	}
561		762
562	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
563		764
564	=cut	765	=cut
…		…
601	within each server.	802	within each server.
602		803
603	=cut	804	=cut
604		805
605	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
606	my ($name) = @_;	810	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
608		812
609	eval {	813	eval {
610	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
620	}	824	}
621		825
622	our $DB;	826	our $DB;
623		827
624	sub db_init {	828	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	829	$DB ||= db_table "db";
627	};
628	}	830	}
629		831
630	sub db_get($$) {	832	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
632		834
633	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
634	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
635		839
636	$! ? ()	840	$! ? ()
637	: $data	841	: $data
638	}
639	}	842	}
640		843
641	sub db_put($$$) {	844	sub db_put($$$) {
642	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		874
672	my @data;	875	my @data;
673	my $md5;	876	my $md5;
674		877
675	for (0 .. $#$src) {	878	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	880	}
679		881
680	# if processing is expensive, check	882	# if processing is expensive, check
681	# checksum first	883	# checksum first
682	if (1) {	884	if (1) {
…		…
695		897
696	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
697	}	899	}
698	}	900	}
699		901
700	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
701	my $data = $process->(\@data);	903	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
703		905
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		907
706	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
709		911
…		…
719		921
720	=cut	922	=cut
721		923
722	sub datalog($@) {	924	sub datalog($@) {
723	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	927	}
726		928
727	=back	929	=back
728		930
729	=cut	931	=cut
730		932
731	#############################################################################	933	#############################################################################
732		934
733	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
734		936
735	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
736	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")
737	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
738		940
739	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>
740	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
…		…
790	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
791		993
792	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
794		996
795	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
796	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.
797		999
798	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
799		1001
800	=over 4	1002	=over 4
…		…
924		1126
925	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1129
928	} elsif (ref $type) {	1130	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
930		1132
931	} else {	1133	} else {
932	shift @arg;	1134	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
934	}	1136	}
935	}	1137	}
936	}	1138	}
937		1139
938	sub _object_attach {	1140	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
949	}	1151	}
950		1152
951	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
952	} else {	1154	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1156	}
955		1157
956	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
957	}	1159	}
958		1160
…		…
1017		1219
1018	for (@$callbacks) {	1220	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1020		1222
1021	if ($@) {	1223	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1225	override;
1025	}	1226	}
1026		1227
1027	return 1 if $override;	1228	return 1 if $override;
1028	}	1229	}
…		…
1107	for (@$attach) {	1308	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1110	}	1311	}
1111	} else {	1312	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1314	}
1114	}	1315	}
1115	}	1316	}
1116		1317
1117	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1145		1346
1146	sync_job {	1347	sync_job {
1147	if (length $$rdata) {	1348	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1151		1353
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	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	}
1156	aio_close $fh;	1361	aio_close $fh;
1157		1362
1158	if (@$objs) {	1363	if (@$objs) {
1159	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) {
1160	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1163	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	}
1164	aio_close $fh;	1372	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1374	}
1167	} else {	1375	} else {
1168	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1169	}	1377	}
1170		1378
1171	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1383	} else {
1173	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1174	}	1385	}
1175	} else {	1386	} else {
1176	aio_unlink $filename;	1387	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1178	}	1389	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1414	$av = $st->{objs};
1204	}	1415	}
1205		1416
1206	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1209		1421
1210	($data, $av)	1422	($data, $av)
1211	}	1423	}
1212		1424
1213	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1217	=cut	1429	=cut
1218		1430
1219	#############################################################################	1431	#############################################################################
1220	# command handling &c	1432	# command handling &c
1221		1433
1222	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1223		1435
1224	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
1225	$name.	1437	$name.
1226		1438
1227	=cut	1439	=cut
…		…
1233	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1234		1446
1235	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1236	}	1448	}
1237		1449
1238	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1239		1451
1240	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1241	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
1242	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
1243	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
1244	has logged in successfully.	1456	has logged in successfully.
1245		1457
1246	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1247	called.
1248		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
1249	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1250		1466
1251	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1252	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
1253	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
1254	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
1255	log-in.	1471	log-in.
1256		1472
1257	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1258	called.
1259		1474
1260	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1261		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1262	sub register_extcmd {	1482	sub register_extcmd($$) {
1263	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1264		1484
1265	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1266	}	1486	}
1267		1487
1268	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1269	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1270		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1271	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1272	}	1498	}
1273		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1274	cf::player->attach (	1508	cf::player->attach (
1275	on_command => sub {	1509	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1277		1511
1278	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1279	or return;	1513	or return;
1280		1514
…		…
1288	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1289		1523
1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1291		1525
1292	if (ref $msg) {	1526	if (ref $msg) {
1293	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1294	"ARRAY" eq ref $msg
1295	? @$msg
1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1297		1528
1298	my @reply;
1299
1300	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}) {
1301	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1302	}	1547	}
1303		1548
1304	$pl->ext_reply ($reply, @reply)
1305	if $reply;
1306
1307	} else {	1549	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1551	}
1310		1552
1311	cf::override;	1553	cf::override;
1312	},	1554	},
1313	);	1555	);
1314		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
1315	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1316	cf::sync_job {	1586	cf::sync_job {
1317	my %todo;	1587	my %todo;
1318		1588
1319	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1590	next unless -r $path;
…		…
1338		1608
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1611
1342	$ext{source} =	1612	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1345	. $source	1615	. $source
1346	. "\n};\n1";	1616	. "\n};\n1";
1347		1617
1348	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1349	}	1619	}
1350		1620
		1621	my $pass = 0;
1351	my %done;	1622	my %done;
1352	while (%todo) {	1623	while (%todo) {
1353	my $progress;	1624	my $progress;
1354		1625
		1626	++$pass;
		1627
		1628	ext:
1355	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1631	next ext
1358	unless exists $done{$_};	1632	unless exists $done{$_};
1359	}	1633	}
1360		1634
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1636
1363	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 $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1650
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1652	if exists $v->{meta}{mandatory};
1371		1653
1372	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1373	}	1663	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1664	}
1379		1665
1380	skip:	1666	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1383	}	1676	}
1384	};	1677	};
1385	}	1678	}
1386		1679
1387	#############################################################################	1680	#############################################################################
1388		1681
1389	=back	1682	=back
1390		1683
1391	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1392		1685
1393	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1394		1687
1395	=cut	1688	=cut
1396		1689
1397	package cf::player;	1690	package cf::player;
1398		1691
…		…
1441		1734
1442	sub exists($) {	1735	sub exists($) {
1443	my ($login) = @_;	1736	my ($login) = @_;
1444		1737
1445	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1447	}	1740	}
1448		1741
1449	sub find($) {	1742	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1744	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1472	}	1765	}
1473	}	1766	}
1474	}	1767	}
1475		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1476	sub save($) {	1782	sub save($) {
1477	my ($pl) = @_;	1783	my ($pl) = @_;
1478		1784
1479	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1480		1786
…		…
1485		1791
1486	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1488		1794
1489	cf::get_slot 0.01;	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];
1490		1799
1491	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1801	cf::cede_to_tick;
1493	}	1802	}
1494		1803
…		…
1528	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1529		1838
1530	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1841
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1843	$pl->deactivate;
		1844
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1538	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1539		1850
1540	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1596	\@logins	1907	\@logins
1597	}	1908	}
1598		1909
1599	=item $player->maps	1910	=item $player->maps
1600		1911
		1912	=item cf::player::maps $login
		1913
1601	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1602	player. May block.	1915	player. May block.
1603		1916
1604	=cut	1917	=cut
1605		1918
…		…
1622	}	1935	}
1623		1936
1624	\@paths	1937	\@paths
1625	}	1938	}
1626		1939
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1941
1629	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1630
1631	=item $player->ext_reply ($msgid, @msg)
1632
1633	Sends an ext reply to the player.
1634
1635	=cut
1636
1637	sub ext_reply($$@) {
1638	my ($self, $id, @msg) = @_;
1639
1640	$self->ns->ext_reply ($id, @msg)
1641	}
1642		1943
1643	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1644		1945
1645	Sends an ext event to the client.	1946	Sends an ext event to the client.
1646		1947
…		…
1666		1967
1667	=cut	1968	=cut
1668		1969
1669	sub find_by_path($) {	1970	sub find_by_path($) {
1670	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1671		1974
1672	my ($match, $specificity);	1975	my ($match, $specificity);
1673		1976
1674	for my $region (list) {	1977	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1704	sub generate_random_map {	2007	sub generate_random_map {
1705	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1706		2009
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		2011
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1718	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1719	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1720	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1721	(cf::region::find $rmp->{region}), $rmp->{custom}
1722	)
1723	}	2013	}
1724		2014
1725	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1726		2016
1727	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
…		…
1732		2022
1733	sub register {	2023	sub register {
1734	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	2025	my $pkg = caller;
1736		2026
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		2028
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	2030	}
1742		2031
1743	# also paths starting with '/'	2032	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		2034
1746	sub thawer_merge {	2035	sub thawer_merge {
1747	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1748		2037
1749	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1754	}	2043	}
1755		2044
1756	sub normalise {	2045	sub normalise {
1757	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1758		2047
1759	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1760		2049
1761	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1762		2051
1763	# map plan:	2052	# map plan:
1764	#	2053	#
…		…
1779	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	2069	$path = "$base/$path";
1781	}	2070	}
1782		2071
1783	for ($path) {	2072	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1787	}	2075	}
1788		2076
1789	$path	2077	$path
…		…
1803	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1804	return $self;	2092	return $self;
1805	}	2093	}
1806	}	2094	}
1807		2095
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	2097	()
1810	}	2098	}
1811		2099
		2100	# may re-bless or do other evil things
1812	sub init {	2101	sub init {
1813	my ($self) = @_;	2102	my ($self) = @_;
1814		2103
1815	$self	2104	$self
1816	}	2105	}
…		…
1847		2136
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1850	}	2139	}
1851		2140
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	2141	sub decay_objects {
1862	my ($self) = @_;	2142	my ($self) = @_;
1863		2143
1864	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1865		2145
…		…
1890	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1891		2171
1892	1	2172	1
1893	}	2173	}
1894		2174
		2175	# used to laod the header of an original map
1895	sub load_header_orig {	2176	sub load_header_orig {
1896	my ($self) = @_;	2177	my ($self) = @_;
1897		2178
1898	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1899	}	2180	}
1900		2181
		2182	# used to laod the header of an instantiated map
1901	sub load_header_temp {	2183	sub load_header_temp {
1902	my ($self) = @_;	2184	my ($self) = @_;
1903		2185
1904	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1905	}	2187	}
1906		2188
		2189	# called after loading the header from an instantiated map
1907	sub prepare_temp {	2190	sub prepare_temp {
1908	my ($self) = @_;	2191	my ($self) = @_;
1909		2192
1910	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1911	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1912	# safety	2195	# safety
1913	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1914	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1915	}	2198	}
1916		2199
		2200	# called after loading the header from an original map
1917	sub prepare_orig {	2201	sub prepare_orig {
1918	my ($self) = @_;	2202	my ($self) = @_;
1919		2203
1920	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1921	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1945		2229
1946	sub find;	2230	sub find;
1947	sub find {	2231	sub find {
1948	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1949		2233
		2234	cf::cede_to_tick;
		2235
1950	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1951		2237
1952	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2240
1955	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1960	or return;	2243	or return;
1961		2244
1962	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1963		2246
…		…
1975		2258
1976	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1977	}	2260	}
1978	}	2261	}
1979		2262
1980	sub pre_load { }	2263	sub pre_load { }
1981	sub post_load { }	2264	#sub post_load { } # XS
1982		2265
1983	sub load {	2266	sub load {
1984	my ($self) = @_;	2267	my ($self) = @_;
1985		2268
1986	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1989		2272
1990	{	2273	{
1991	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1992		2275
1993	return unless $self->valid;	2276	return unless $self->valid;
1994	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1995
1996	$self->in_memory (cf::MAP_LOADING);
1997		2278
1998	$self->alloc;	2279	$self->alloc;
1999		2280
2000	$self->pre_load;	2281	$self->pre_load;
2001	cf::cede_to_tick;	2282	cf::cede_to_tick;
2002		2283
		2284	if (exists $self->{load_path}) {
2003	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2004	$f->skip_block;	2286	$f->skip_block;
2005	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2006	or return;	2288	or return;
2007		2289
2008	$self->post_load_original	2290	$self->post_load_original
2009	if delete $self->{load_original};	2291	if delete $self->{load_original};
2010		2292
2011	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2012	utf8::encode $uniq;	2294	utf8::encode $uniq;
2013	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2014	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2015	$self->clear_unique_items;	2297	$self->clear_unique_items;
2016	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2017	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2018	}	2301	}
2019	}	2302	}
2020	}
2021		2303
2022	$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);
2023		2311
2024	cf::cede_to_tick;	2312	cf::cede_to_tick;
2025	# now do the right thing for maps	2313	# now do the right thing for maps
2026	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2027	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2031	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2320	$self->decay_objects;
2033	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2034	$self->update_buttons;	2322	$self->update_buttons;
2035	cf::cede_to_tick;	2323	cf::cede_to_tick;
2036	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2037	cf::cede_to_tick;
2038	$self->activate;
2039	}	2325	}
2040		2326
2041	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2043
2044	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2329	}
2046		2330
2047	$self->post_load;	2331	$self->post_load;
2048	}
2049		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2339	sub customise_for {
2051	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2052		2341
2053	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2343	if $self->per_player;
…		…
2057	# if $self->per_party;	2346	# if $self->per_party;
2058		2347
2059	$self	2348	$self
2060	}	2349	}
2061		2350
2062	# find and load all maps in the 3x3 area around a map
2063	sub load_neighbours {
2064	my ($map) = @_;
2065
2066	my @neigh; # diagonal neighbours
2067
2068	for (0 .. 3) {
2069	my $neigh = $map->tile_path ($_)
2070	or next;
2071	$neigh = find $neigh, $map
2072	or next;
2073	$neigh->load;
2074
2075	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}
2079
2080	for (grep defined $_->[0], @neigh) {
2081	my ($path, $origin) = @$_;
2082	my $neigh = find $path, $origin
2083	or next;
2084	$neigh->load;
2085	}
2086	}
2087
2088	sub find_sync {	2351	sub find_sync {
2089	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2090		2353
2091	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, $origin
2092	}	2359	}
2093		2360
2094	sub do_load_sync {	2361	sub do_load_sync {
2095	my ($map) = @_;	2362	my ($map) = @_;
2096		2363
		2364	# it's a bug to call this from the main context
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2099		2367
2100	cf::sync_job { $map->load };	2368	$map->load;
2101	}	2369	}
2102		2370
2103	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2105		2373
2106	sub find_async {	2374	sub find_async {
2107	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2108		2376
2109	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2110		2378
2111	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2113	}	2381	}
2114		2382
2115	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2116		2384
2117	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2131	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2132		2400
2133	()	2401	()
2134	}	2402	}
2135		2403
		2404	# common code, used by both ->save and ->swapout
2136	sub save {	2405	sub _save {
2137	my ($self) = @_;	2406	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2407
2141	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2142		2409
2143	return unless $self->dirty;	2410	return unless $self->dirty;
2144		2411
…		…
2164	} else {	2431	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2433	}
2167	}	2434	}
2168		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2169	sub swap_out {	2444	sub swap_out {
2170	my ($self) = @_;	2445	my ($self) = @_;
2171		2446
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2177	return if $self->players;	2451	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	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
2179	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2180		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
2181	$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};
2182		2503
2183	$self->deactivate;	2504	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2506	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($self) = @_;
2190
2191	# TODO: safety, remove and allow resettable per-player maps
2192	return 1e99 if $self->{deny_reset};
2193
2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2196
2197	$time + $to
2198	}
2199
2200	sub should_reset {
2201	my ($self) = @_;
2202
2203	$self->reset_at <= $cf::RUNTIME
2204	}
2205
2206	sub reset {
2207	my ($self) = @_;
2208
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210
2211	return if $self->players;
2212
2213	warn "resetting map ", $self->path;
2214
2215	$self->in_memory (cf::MAP_SWAPPED);
2216
2217	# need to save uniques path
2218	unless ($self->{deny_save}) {
2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
2220
2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2222	if $uniq;
2223	}
2224
2225	delete $cf::MAP{$self->path};
2226
2227	$self->deactivate;
2228	$_->clear_links_to ($self) for values %cf::MAP;
2229	$self->clear;
2230		2507
2231	$self->unlink_save;	2508	$self->unlink_save;
2232	$self->destroy;	2509	$self->destroy;
2233	}	2510	}
2234		2511
…		…
2242		2519
2243	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2244		2521
2245	$self->unlink_save;	2522	$self->unlink_save;
2246		2523
2247	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2529
…		…
2309	: normalise $_	2586	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2588	]
2312	}	2589	}
2313		2590
		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	}
		2622
2314	=back	2623	=back
2315		2624
2316	=head3 cf::object	2625	=head3 cf::object
2317		2626
2318	=cut	2627	=cut
…		…
2341		2650
2342	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2343		2652
2344	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2345		2654
2346	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,
2347	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2348		2657
2349	=cut	2658	=cut
2350		2659
2351	sub deref {	2660	sub deref {
…		…
2383		2692
2384	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2385	id => "say",	2694	id => "say",
2386	title => "Map",	2695	title => "Map",
2387	reply => "say ",	2696	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2698	};
2390		2699
2391	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2392	id => "chat",	2701	id => "chat",
2393	title => "Chat",	2702	title => "Chat",
…		…
2450		2759
2451	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}>).
2452		2761
2453	The player should be reasonably safe there for short amounts of time (e.g.	2762	The player should be reasonably safe there for short amounts of time (e.g.
2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455	though, as the palyer cannot control the character while it is on the link	2764	though, as the player cannot control the character while it is on the link
2456	map.	2765	map.
2457		2766
2458	Will never block.	2767	Will never block.
2459		2768
2460	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
…		…
2481	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2791	my ($self) = @_;
2483		2792
2484	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2485		2794
		2795	++$self->{_link_recursion};
		2796
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2798
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2490		2801
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2803	}
2493		2804
2494	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2496		2807
…		…
2513	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2515		2826
2516	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2519		2830
2520	$map->load;	2831	$map->load;
2521	$map->load_neighbours;
2522		2832
2523	return unless $self->contr->active;	2833	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2834
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2529	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2530		2842
		2843	}
		2844
2531	=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)]])
2532		2846
2533	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
2534	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2535	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
2536	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
…		…
2543		2857
2544	our $GOTOGEN;	2858	our $GOTOGEN;
2545		2859
2546	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2547	my ($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	}
2548		2868
2549	# 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
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2871
2552	$self->enter_link;	2872	$self->enter_link;
…		…
2572	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2573	}	2893	}
2574	}	2894	}
2575		2895
2576	my $map = eval {	2896	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2578		2898
2579	if ($map) {	2899	if ($map) {
2580	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2902	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2904	}
2585		2905
2586	$map	2906	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2597	}	2917	}
2598		2918
2599	$done->() if $done;	2919	$done->($self) if $done;
2600	})->prio (1);	2920	})->prio (1);
2601	}	2921	}
2602		2922
2603	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2604		2924
…		…
2672	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2673		2993
2674	unless (eval {	2994	unless (eval {
2675	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2676		2996
2677	# random map handling
2678	{
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	prepare_random_map $exit
2682	if $exit->slaying eq "/!";
2683	}
2684
2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2686	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2687	my $y = $exit->stats->sp;	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	}
2688		3023
2689	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2690		3025
2691	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2692	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2693	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2694		3029
2695	1	3030	1
2696	}) {	3031	}) {
2697	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "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. "
2699	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2701		3036
2702	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	3038	$self->leave_link;
2704	}	3039	}
2705	})->prio (1);	3040	})->prio (1);
2706	}	3041	}
2707		3042
2708	=head3 cf::client	3043	=head3 cf::client
2709		3044
2710	=over 4	3045	=over 4
2711		3046
2712	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2713		3048
2714	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2715	should not be used under normal circumstances.	3050	them as required.
2716		3051
2717	=cut	3052	=cut
2718		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2719	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2720	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2721		3058
2722	utf8::encode $text;	3059	# try lzf for large packets
2723	$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);
2724	}	3070	}
2725		3071
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		3073
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2729	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2730	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2731	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2732		3078
2733	=cut	3079	=cut
2734		3080
2735	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2736	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	},
2737	"c/identify" => {	3089	"c/identify" => {
2738	id => "infobox",	3090	id => "infobox",
2739	title => "Identify",	3091	title => "Identify",
2740	reply => undef,	3092	reply => undef,
2741	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3095	"c/examine" => {
2744	id => "infobox",	3096	id => "infobox",
2745	title => "Examine",	3097	title => "Examine",
2746	reply => undef,	3098	reply => undef,
2747	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",
2748	},	3106	},
2749	"c/book" => {	3107	"c/book" => {
2750	id => "infobox",	3108	id => "infobox",
2751	title => "Book",	3109	title => "Book",
2752	reply => undef,	3110	reply => undef,
…		…
2768	id => "infobox",	3126	id => "infobox",
2769	title => "Body Parts",	3127	title => "Body Parts",
2770	reply => undef,	3128	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2772	},	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	},
2773	"c/uptime" => {	3167	"c/uptime" => {
2774	id => "infobox",	3168	id => "infobox",
2775	title => "Uptime",	3169	title => "Uptime",
2776	reply => undef,	3170	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3180	id => "party",
2787	title => "Party",	3181	title => "Party",
2788	reply => "gsay ",	3182	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2790	},	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" => $CHAT_CHANNEL,
2791	);	3199	);
2792		3200
2793	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3203
2796	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2797		3206
2798	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2799		3208
2800	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2801	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2802	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2803		3212
2804	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2805	if $self->can_msg;
2806
2807	$channel = $channel->{id};	3214	$channel = $channel->{id};
2808		3215
2809	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2810	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2811	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2812	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2813	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2814	if $self->can_msg;
2815	}	3221	}
2816		3222
2817	$channel = $channel->{id};	3223	$channel = $channel->{id};
2818	}	3224	}
2819		3225
2820	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2821		3227
2822	if ($self->can_msg) {
2823	# default colour, mask it out	3228	# default colour, mask it out
2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2825	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2826		3231
2827	my $pkt = "msg "	3232	my $pkt = "msg "
2828	. $self->{json_coder}->encode (	3233	. $self->{json_coder}->encode (
2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2830	);	3235	);
2831		3236
2832	# try lzf for large packets
2833	$pkt = "lzf " . Compress::LZF::compress $pkt
2834	if 1024 <= length $pkt and $self->{can_lzf};
2835
2836	# split very large packets
2837	if (8192 < length $pkt and $self->{can_lzf}) {
2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2839	$pkt = "frag";
2840	}
2841
2842	$self->send_packet ($pkt);	3237	$self->send_big_packet ($pkt);
2843	} else {
2844	if ($color >= 0) {
2845	# replace some tags by gcfclient-compatible ones
2846	for ($msg) {
2847	1 while
2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2853	}
2854
2855	$color &= cf::NDI_COLOR_MASK;
2856
2857	utf8::encode $msg;
2858
2859	if (0 && $msg =~ /\[/) {
2860	# COMMAND/INFO
2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
2862	} else {
2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2864	$self->send_packet ("drawinfo $color $msg")
2865	}
2866	}
2867	}
2868	}	3238	}
2869		3239
2870	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2871		3241
2872	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2874	=cut	3244	=cut
2875		3245
2876	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2877	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2878		3248
2879	if ($self->extcmd == 2) {
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2881	} elsif ($self->extcmd == 1) { # TODO: remove
2882	push @msg, msgtype => "event_$type";
2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2884	}
2885	}
2886
2887	=item $client->ext_reply ($msgid, @msg)
2888
2889	Sends an ext reply to the client.
2890
2891	=cut
2892
2893	sub cf::client::ext_reply($$@) {
2894	my ($self, $id, @msg) = @_;
2895
2896	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2898	} elsif ($self->extcmd == 1) {
2899	#TODO: version 1, remove
2900	unshift @msg, msgtype => "reply", msgid => $id;
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2902	}
2903	}	3250	}
2904		3251
2905	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2906		3253
2907	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2927		3274
2928	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2929	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2930		3277
2931	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2932	}	3318	}
2933		3319
2934	cf::client->attach (	3320	cf::client->attach (
2935	on_connect => sub {	3321	on_connect => sub {
2936	my ($ns) = @_;	3322	my ($ns) = @_;
…		…
2962	my ($ns, $buf) = @_;	3348	my ($ns, $buf) = @_;
2963		3349
2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2965		3351
2966	if (ref $msg) {	3352	if (ref $msg) {
2967	my ($type, $reply, @payload) =	3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2968	"ARRAY" eq ref $msg
2969	? @$msg
2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2971		3354
2972	my @reply;
2973
2974	if (my $cb = $EXTICMD{$type}) {	3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
2975	@reply = $cb->($ns, @payload);	3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
2976	}	3373	}
2977
2978	$ns->ext_reply ($reply, @reply)
2979	if $reply;
2980
2981	} else {	3374	} else {
2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2983	}	3376	}
2984		3377
2985	cf::override;	3378	cf::override;
2986	},	3379	},
2987	);	3380	);
…		…
3007		3400
3008	$coro	3401	$coro
3009	}	3402	}
3010		3403
3011	cf::client->attach (	3404	cf::client->attach (
3012	on_destroy => sub {	3405	on_client_destroy => sub {
3013	my ($ns) = @_;	3406	my ($ns) = @_;
3014		3407
3015	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3016	},	3409	},
3017	);	3410	);
…		…
3033	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
3034		3427
3035	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
3036		3429
3037	$safe->permit_only (Opcode::opset qw(	3430	$safe->permit_only (Opcode::opset qw(
3038	:base_core :base_mem :base_orig :base_math	3431	:base_core :base_mem :base_orig :base_math :base_loop
3039	grepstart grepwhile mapstart mapwhile	3432	grepstart grepwhile mapstart mapwhile
3040	sort time	3433	sort time
3041	));	3434	));
3042		3435
3043	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
…		…
3047	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
3048		3441
3049	cf::object	3442	cf::object
3050	contr pay_amount pay_player map x y force_find force_add destroy	3443	contr pay_amount pay_player map x y force_find force_add destroy
3051	insert remove name archname title slaying race decrease split	3444	insert remove name archname title slaying race decrease split
		3445	value
3052		3446
3053	cf::object::player	3447	cf::object::player
3054	player	3448	player
3055		3449
3056	cf::player	3450	cf::player
…		…
3062	=cut	3456	=cut
3063		3457
3064	for (	3458	for (
3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3066	insert remove inv nrof name archname title slaying race	3460	insert remove inv nrof name archname title slaying race
3067	decrease split destroy change_exp)],	3461	decrease split destroy change_exp value msg lore send_msg)],
3068	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
3069	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
3070	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
3071	) {	3465	) {
3072	no strict 'refs';
3073	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
3074	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3075	for @funs;	3468	for @funs;
3076	}	3469	}
3077		3470
…		…
3092		3485
3093	my $qcode = $code;	3486	my $qcode = $code;
3094	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3095	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
3096		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
3097	local $_;	3493	local $_;
3098	local @safe::cf::_safe_eval_args = values %vars;
3099		3494
3100	my $eval =	3495	my $eval =
3101	"do {\n"	3496	"do {\n"
3102	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3103	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
3104	. $code	3499	. $code
3105	. "\n}"	3500	. "\n}"
3106	;	3501	;
3107		3502
		3503	if ($CFG{safe_eval}) {
3108	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
3109	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3110	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
3111		3512
3112	if ($@) {	3513	if ($@) {
3113	warn "$@";	3514	warn "$@",
3114	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
3115	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
3116	}	3517	}
3117		3518
3118	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
3119	}	3520	}
3120		3521
…		…
3134	=cut	3535	=cut
3135		3536
3136	sub register_script_function {	3537	sub register_script_function {
3137	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
3138		3539
3139	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
3140	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
3141	}	3542	}
3142		3543
3143	=back	3544	=back
3144		3545
3145	=cut	3546	=cut
3146		3547
3147	#############################################################################	3548	#############################################################################
3148	# the server's init and main functions	3549	# the server's init and main functions
3149		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
3150	sub load_facedata($) {	3628	sub load_facedata($) {
3151	my ($path) = @_;	3629	my ($path) = @_;
3152		3630
3153	# HACK to clear player env face cache, we need some signal framework
3154	# for this (global event?)
3155	%ext::player_env::MUSIC_FACE_CACHE = ();
3156
3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3158		3632
3159	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
3160		3634
3161	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
3162	0 < aio_load $path, $facedata
3163	or die "$path: $!";
3164
3165	$facedata = Coro::Storable::thaw $facedata;
3166		3636
3167	$facedata->{version} == 2	3637	$facedata->{version} == 2
3168	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3169		3639
3170	# patch in the exptable	3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3171	$facedata->{resource}{"res/exp_table"} = {	3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3172	type => FT_RSRC,	3642
3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3174	};	3644
3175	cf::cede_to_tick;	3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
3176		3648
3177	{	3649	{
3178	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
3179		3651
3180	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3182		3655
3183	cf::face::set_visibility $idx, $info->{visibility};	3656	cf::face::set_visibility $idx, $info->{visibility};
3184	cf::face::set_magicmap $idx, $info->{magicmap};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3187		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3188	cf::cede_to_tick;	3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
3189	}	3663	}
3190		3664
3191	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
3192	next unless $info->{smooth};	3666	next unless $info->{smooth};
3193		3667
…		…
3196		3670
3197	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
3198	cf::face::set_smooth $idx, $smooth;	3672	cf::face::set_smooth $idx, $smooth;
3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3200	} else {	3674	} else {
3201	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
3202	}	3676	}
3203
3204	cf::cede_to_tick;
3205	}	3677	}
3206	}	3678	}
3207		3679
3208	{	3680	{
3209	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
3210		3682
3211	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
3212	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
3213	cf::cede_to_tick;
3214	}	3685	}
3215		3686
3216	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
3217	}	3688	}
3218		3689
3219	{	3690	{
3220	# TODO: for gcfclient pleasure, we should give resources
3221	# that gcfclient doesn't grok a >10000 face index.
3222	my $res = $facedata->{resource};	3691	my $res = $facedata->{resource};
3223		3692
3224	while (my ($name, $info) = each %$res) {	3693	while (my ($name, $info) = each %$res) {
3225	if (defined $info->{type}) {	3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3227	my $data;
3228		3697
3229	if ($info->{type} & 1) {
3230	# prepend meta info
3231
3232	my $meta = $enc->encode ({
3233	name => $name,
3234	%{ $info->{meta} || {} },
3235	});
3236
3237	$data = pack "(w/a*)*", $meta, $info->{data};
3238	} else {
3239	$data = $info->{data};
3240	}
3241
3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3243	cf::face::set_type $idx, $info->{type};	3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
3244	} else {	3704	} else {
3245	$RESOURCE{$name} = $info;	3705	# $RESOURCE{$name} = $info; # unused
3246	}	3706	}
3247
3248	cf::cede_to_tick;
3249	}	3707	}
3250	}	3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
3251		3719
3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3253		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
3254	1	3724	1
3255	}	3725	}
3256
3257	cf::global->attach (on_resource_update => sub {
3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3260
3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3262	my $sound = $soundconf->{compat}[$_]
3263	or next;
3264
3265	my $face = cf::face::find "sound/$sound->[1]";
3266	cf::sound::set $sound->[0] => $face;
3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3268	}
3269
3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
3271	my $face = cf::face::find "sound/$v";
3272	cf::sound::set $k => $face;
3273	}
3274	}
3275	});
3276		3726
3277	register_exticmd fx_want => sub {	3727	register_exticmd fx_want => sub {
3278	my ($ns, $want) = @_;	3728	my ($ns, $want) = @_;
3279		3729
3280	while (my ($k, $v) = each %$want) {	3730	while (my ($k, $v) = each %$want) {
…		…
3288	my $status = load_resource_file_ $_[0];	3738	my $status = load_resource_file_ $_[0];
3289	get_slot 0.1, 100;	3739	get_slot 0.1, 100;
3290	cf::arch::commit_load;	3740	cf::arch::commit_load;
3291		3741
3292	$status	3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
3293	}	3757	}
3294		3758
3295	sub reload_regions {	3759	sub reload_regions {
3296	# HACK to clear player env face cache, we need some signal framework	3760	# HACK to clear player env face cache, we need some signal framework
3297	# for this (global event?)	3761	# for this (global event?)
…		…
3305	if exists $_->{match};	3769	if exists $_->{match};
3306	}	3770	}
3307	}	3771	}
3308		3772
3309	sub reload_facedata {	3773	sub reload_facedata {
3310	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
3311	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
3312	}	3776	}
3313		3777
3314	sub reload_archetypes {	3778	sub reload_archetypes {
3315	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
3316	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
		3781
		3782	cf::face::set
		3783	"res/skill_info" => FT_RSRC,
		3784	JSON::XS->new->utf8->canonical->encode (
		3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
3317	}	3807	}
3318		3808
3319	sub reload_treasures {	3809	sub reload_treasures {
3320	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
3321	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
3322	}	3812	}
3323		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
3324	sub reload_resources {	3834	sub reload_resources {
3325	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
3326		3836
		3837	reload_materials;
3327	reload_facedata;	3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
3328	reload_archetypes;	3841	reload_archetypes;
3329	reload_regions;	3842	reload_regions;
3330	reload_treasures;	3843	reload_treasures;
3331		3844
3332	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
3333	}
3334
3335	sub init {
3336	my $guard = freeze_mainloop;
3337
3338	evthread_start IO::AIO::poll_fileno;
3339
3340	reload_resources;
3341	}	3846	}
3342		3847
3343	sub reload_config {	3848	sub reload_config {
3344	open my $fh, "<:utf8", "$CONFDIR/config"	3849	trace "reloading config file...\n";
3345	or return;
3346		3850
3347	local $/;	3851	my $config = load_file "$CONFDIR/config";
3348	*CFG = YAML::Load <$fh>;	3852	utf8::decode $config;
		3853	*CFG = decode_yaml $config;
3349		3854
3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3351		3856
3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3354		3859
3355	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
3378		3883
3379	seek $fh, 0, 0;	3884	seek $fh, 0, 0;
3380	print $fh $$;	3885	print $fh $$;
3381	}	3886	}
3382		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
3383	sub main {	3897	sub main {
3384	atomic;	3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3385		3906
3386	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
3387	local $Coro::idle = sub {	3908	$Coro::idle = sub {
3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3389	(async {	3910	(async {
3390	$Coro::current->{desc} = "IDLE BUG HANDLER";	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
3391	EV::loop EV::LOOP_ONESHOT;	3912	EV::loop EV::LOOP_ONESHOT;
3392	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
3393	};	3914	};
3394		3915
3395	{	3916	evthread_start IO::AIO::poll_fileno;
3396	my $guard = freeze_mainloop;	3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
		3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
3397	reload_config;	3930	reload_config;
3398	db_init;	3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
3399	load_extensions;	3940	load_extensions;
3400		3941
3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402	}
3403
3404	utime time, time, $RUNTIMEFILE;	3942	utime time, time, $RUNTIMEFILE;
3405		3943
3406	# no (long-running) fork's whatsoever before this point(!)	3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3408		3947
3409	EV::loop;	3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
3410	}	3959	}
3411		3960
3412	#############################################################################	3961	#############################################################################
3413	# initialisation and cleanup	3962	# initialisation and cleanup
3414		3963
3415	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
3416	BEGIN {	3965	BEGIN {
3417	our %SIGWATCHER = ();	3966	our %SIGWATCHER = ();
3418	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3420	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
3421	};	3970	};
3422	}	3971	}
3423	}	3972	}
3424		3973
3425	sub write_runtime_sync {	3974	sub write_runtime_sync {
		3975	my $t0 = AE::time;
		3976
3426	# first touch the runtime file to show we are still running:	3977	# first touch the runtime file to show we are still running:
3427	# the fsync below can take a very very long time.	3978	# the fsync below can take a very very long time.
3428		3979
3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3430		3981
3431	my $guard = cf::lock_acquire "write_runtime";	3982	my $guard = cf::lock_acquire "write_runtime";
3432		3983
3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3434	or return;	3985	or return;
3435		3986
3436	my $value = $cf::RUNTIME + 90 + 10;	3987	my $value = $cf::RUNTIME + 90 + 10;
3437	# 10 is the runtime save interval, for a monotonic clock	3988	# 10 is the runtime save interval, for a monotonic clock
3438	# 60 allows for the watchdog to kill the server.	3989	# 60 allows for the watchdog to kill the server.
…		…
3451	or return;	4002	or return;
3452		4003
3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3454	and return;	4005	and return;
3455		4006
3456	warn "runtime file written.\n";	4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3457		4008
3458	1	4009	1
3459	}	4010	}
3460		4011
3461	our $uuid_lock;	4012	our $uuid_lock;
…		…
3470	my $uuid = "$LOCALDIR/uuid";	4021	my $uuid = "$LOCALDIR/uuid";
3471		4022
3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3473	or return;	4024	or return;
3474		4025
3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
3476	$uuid_skip = 0;	4034	$uuid_skip = 0;
3477		4035
3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3479	and return;	4037	and return;
3480		4038
…		…
3486	or return;	4044	or return;
3487		4045
3488	aio_rename "$uuid~", $uuid	4046	aio_rename "$uuid~", $uuid
3489	and return;	4047	and return;
3490		4048
3491	warn "uuid file written ($value).\n";	4049	trace "uuid file written ($value).\n";
3492		4050
3493	1	4051	1
3494		4052
3495	}	4053	}
3496		4054
…		…
3502	}	4060	}
3503		4061
3504	sub emergency_save() {	4062	sub emergency_save() {
3505	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
3506		4064
3507	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
3508		4071
3509	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
3510	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
3511	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
3512	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
3513	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
3514	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
3515	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
3516	$pl->valid or next;	4081	$pl->valid or next;
3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3518	$pl->save;	4083	$pl->save;
3519	}	4084	}
3520	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
3521		4086
3522	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
3523	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
3524	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
3525	$map->valid or next;	4092	$map->valid or next;
3526	$map->save;	4093	$map->save;
3527	}	4094	}
3528	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
3529		4096
3530	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
3531	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
3532	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
3533		4102
3534	warn "begin write uuid\n";	4103	info "emergency_perl_save: begin write uuid\n";
3535	write_uuid_sync 1;	4104	write_uuid_sync 1;
3536	warn "end write uuid\n";	4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
3537	};	4125	};
3538		4126
3539	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
3540	}	4128	}
3541		4129
3542	sub post_cleanup {	4130	sub post_cleanup {
3543	my ($make_core) = @_;	4131	my ($make_core) = @_;
3544		4132
		4133	IO::AIO::flush;
		4134
3545	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
3546	if $make_core;	4136	if $make_core;
3547		4137
3548	my $fh = pidfile;	4138	my $fh = pidfile;
3549	unlink $PIDFILE if <$fh> == $$;	4139	unlink $PIDFILE if <$fh> == $$;
3550	}	4140	}
…		…
3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3571	for my $name (keys %$leaf_symtab) {	4161	for my $name (keys %$leaf_symtab) {
3572	_gv_clear *{"$pkg$name"};	4162	_gv_clear *{"$pkg$name"};
3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3574	}	4164	}
3575	warn "cleared package #$pkg\n";#d#
3576	}	4165	}
3577
3578	our $RELOAD; # how many times to reload
3579		4166
3580	sub do_reload_perl() {	4167	sub do_reload_perl() {
3581	# can/must only be called in main	4168	# can/must only be called in main
3582	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
3583	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
3584	return;	4171	return;
3585	}	4172	}
3586		4173
3587	return if $RELOAD++;	4174	return if $RELOAD++;
3588		4175
		4176	my $t1 = AE::time;
		4177
3589	while ($RELOAD) {	4178	while ($RELOAD) {
3590	warn "reloading...";	4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
3591		4181
3592	warn "entering sync_job";	4182	trace "perl_reload: entering sync_job";
3593		4183
3594	cf::sync_job {	4184	cf::sync_job {
3595	cf::write_runtime_sync; # external watchdog should not bark
3596	cf::emergency_save;	4185	#cf::emergency_save;
3597	cf::write_runtime_sync; # external watchdog should not bark
3598		4186
3599	warn "syncing database to disk";
3600	BDB::db_env_txn_checkpoint $DB_ENV;
3601
3602	# if anything goes wrong in here, we should simply crash as we already saved
3603
3604	warn "flushing outstanding aio requests";
3605	while (IO::AIO::nreqs || BDB::nreqs) {
3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3607	}
3608
3609	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
3610	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
3611	%EXT_CORO = ();	4189	%EXT_CORO = ();
3612		4190
3613	warn "removing commands";	4191	trace "perl_reload: removing commands";
3614	%COMMAND = ();	4192	%COMMAND = ();
3615		4193
3616	warn "removing ext/exti commands";	4194	trace "perl_reload: removing ext/exti commands";
3617	%EXTCMD = ();	4195	%EXTCMD = ();
3618	%EXTICMD = ();	4196	%EXTICMD = ();
3619		4197
3620	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
3621	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
3622	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
3623		4201
3624	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
3625	eval {	4203	eval {
3626	$cb->($pkg);	4204	$cb->($pkg);
3627	1	4205	1
3628	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
3629	}	4207	}
3630		4208
3631	warn "... clearing $pkg";	4209	trace "... clearing $pkg";
3632	clear_package $pkg;	4210	clear_package $pkg;
3633	}	4211	}
3634		4212
3635	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3636	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3638		4216
3639	warn "... unloading $k";	4217	trace "... unloading $k";
3640	delete $INC{$k};	4218	delete $INC{$k};
3641		4219
3642	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
3643	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
3644		4222
…		…
3647	}	4225	}
3648		4226
3649	clear_package $k;	4227	clear_package $k;
3650	}	4228	}
3651		4229
3652	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
3653	clear_package "safe::$_"	4231	clear_package "safe::$_"
3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3655		4233
3656	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
3657	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
3658	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3659		4237
3660	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
3661	# and global variables created in xs	4239	# and global variables created in xs
3662	#clear_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
3663		4241
3664	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
3665		4243
3666	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
3667	require cf;	4245	require cf;
3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
3669		4247
3670	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
3671	cf::reload_config;	4249	cf::reload_config;
3672		4250
3673	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
3674	cf::load_extensions;	4252	cf::load_extensions;
3675		4253
		4254	if ($REATTACH_ON_RELOAD) {
3676	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
3677	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
3678	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
3679	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
3680	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
3681	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
3682		4262
3683	warn "leaving sync_job";	4263	cf::_post_init 1;
		4264
		4265	trace "perl_reload: leaving sync_job";
3684		4266
3685	1	4267	1
3686	} or do {	4268	} or do {
3687	warn $@;	4269	error $@;
3688	cf::cleanup "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
3689	};	4271	};
3690		4272
3691	warn "reloaded";
3692	--$RELOAD;	4273	--$RELOAD;
3693	}	4274	}
		4275
		4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
3694	};	4278	};
3695		4279
3696	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
3697		4281
3698	sub reload_perl() {	4282	sub reload_perl() {
3699	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
3700	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
3701		4285
		4286	$RELOAD_WATCHER ||= cf::async {
		4287	Coro::AIO::aio_wait cache_extensions;
		4288
3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3703	do_reload_perl;	4290	do_reload_perl;
3704	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
		4292	};
3705	};	4293	};
3706	}	4294	}
3707		4295
3708	register_command "reload" => sub {	4296	register_command "reload" => sub {
3709	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
…		…
3715	reload_perl;	4303	reload_perl;
3716	};	4304	};
3717	}	4305	}
3718	};	4306	};
3719		4307
3720	unshift @INC, $LIBDIR;	4308	#############################################################################
3721		4309
3722	my $bug_warning = 0;	4310	my $bug_warning = 0;
3723		4311
3724	our @WAIT_FOR_TICK;
3725	our @WAIT_FOR_TICK_BEGIN;
3726
3727	sub wait_for_tick {	4312	sub wait_for_tick() {
3728	return if tick_inhibit || $Coro::current == $Coro::main;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3729		4314
3730	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
3731	push @WAIT_FOR_TICK, $signal;
3732	$signal->wait;
3733	}	4316	}
3734		4317
3735	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4320
3738	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
3739	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
3740	$signal->wait;	4323	$signal->wait;
3741	}	4324	}
…		…
3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3746	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
3747	return;	4330	return;
3748	}	4331	}
3749		4332
3750	cf::server_tick; # one server iteration	4333	cf::one_tick; # one server iteration
		4334
		4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3751		4336
3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3754	Coro::async_pool {	4339	Coro::async_pool {
3755	$Coro::current->{desc} = "runtime saver";	4340	$Coro::current->{desc} = "runtime saver";
3756	write_runtime_sync	4341	write_runtime_sync
3757	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
3758	};	4343	};
3759	}	4344	}
3760		4345
3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3762	$sig->send;	4347	$sig->send;
3763	}	4348	}
3764	while (my $sig = shift @WAIT_FOR_TICK) {	4349	$WAIT_FOR_TICK->broadcast;
3765	$sig->send;
3766	}
3767		4350
3768	$LOAD = ($NOW - $TICK_START) / $TICK;	4351	$LOAD = ($NOW - $TICK_START) / $TICK;
3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3770		4353
3771	if (0) {	4354	if (0) {
3772	if ($NEXT_TICK) {	4355	if ($NEXT_TICK) {
3773	my $jitter = $TICK_START - $NEXT_TICK;	4356	my $jitter = $TICK_START - $NEXT_TICK;
3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3775	warn "jitter $JITTER\n";#d#	4358	debug "jitter $JITTER\n";#d#
3776	}	4359	}
3777	}	4360	}
3778	}	4361	}
3779		4362
3780	{	4363	{
3781	# configure BDB	4364	# configure BDB
		4365	info "initialising database";
3782		4366
3783	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
3784	BDB::max_poll_reqs $TICK * 0.1;	4368	BDB::max_poll_reqs $TICK * 0.1;
3785	$AnyEvent::BDB::WATCHER->priority (1);	4369	#$AnyEvent::BDB::WATCHER->priority (1);
3786		4370
3787	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
3788	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3816	};	4400	};
3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3819	};	4403	};
		4404
		4405	info "database initialised";
3820	}	4406	}
3821		4407
3822	{	4408	{
3823	# configure IO::AIO	4409	# configure IO::AIO
3824		4410
		4411	info "initialising aio";
3825	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
3826	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
3827	undef $AnyEvent::AIO::WATCHER;	4414	undef $AnyEvent::AIO::WATCHER;
		4415	info "aio initialised";
3828	}	4416	}
3829		4417
3830	my $_log_backtrace;	4418	our $_log_backtrace;
		4419	our $_log_backtrace_last;
3831		4420
3832	sub _log_backtrace {	4421	sub _log_backtrace {
3833	my ($msg, @addr) = @_;	4422	my ($msg, @addr) = @_;
3834		4423
3835	$msg =~ s/\n//;	4424	$msg =~ s/\n$//;
3836		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3837	# limit the # of concurrent backtraces	4429	# limit the # of concurrent backtraces
3838	if ($_log_backtrace < 2) {	4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
3839	++$_log_backtrace;	4432	++$_log_backtrace;
3840	my $perl_bt = Carp::longmess $msg;	4433	my $perl_bt = Carp::longmess $msg;
3841	async {	4434	async {
3842	$Coro::current->{desc} = "abt $msg";	4435	$Coro::current->{desc} = "abt $msg";
3843		4436
…		…
3863	LOG llevInfo, "[ABT] $_\n" for @bt;	4456	LOG llevInfo, "[ABT] $_\n" for @bt;
3864	--$_log_backtrace;	4457	--$_log_backtrace;
3865	};	4458	};
3866	} else {	4459	} else {
3867	LOG llevInfo, "[ABT] $msg\n";	4460	LOG llevInfo, "[ABT] $msg\n";
3868	LOG llevInfo, "[ABT] [suppressed]\n";	4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3869	}	4462	}
3870	}	4463	}
3871		4464
3872	# load additional modules	4465	# load additional modules
3873	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
3874		4468
3875	END { cf::emergency_save }	4469	END { cf::emergency_save }
3876		4470
3877	1	4471	1
3878		4472

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