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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 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 utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
39	use Coro::AnyEvent;	45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61		67
62	# configure various modules to our taste	68	# configure various modules to our taste
63	#	69	#
64	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
65	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";
66	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
67		78
68	$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" };
69		81
70	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;
71		85
72	our %COMMAND = ();	86	our %COMMAND = ();
73	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
74		88
75	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
80		96
81	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
83		101
84	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
85	our $DATADIR = datadir;	104	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
89	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
95	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
96		125
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	128	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		130
102	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	134	our $DB_ENV;
106		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
107	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		140
109	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
111	our $NOW;	144	our $NOW;
112		145
113	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	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)
121	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	155	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
124		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
125	binmode STDOUT;	166	binmode STDOUT;
126	binmode STDERR;	167	binmode STDERR;
127		168
128	# read virtual server time, if available	169	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
133	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
134		177
135	mkdir $_	178	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		180
138	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
139		182
140	sub cf::map::normalise;	183	sub cf::map::normalise;
141		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
142	#############################################################################	189	#############################################################################
143		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
144	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
145		203
146	=over 4	204	=over 4
147		205
148	=item $cf::UPTIME	206	=item $cf::UPTIME
149		207
150	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.
151		224
152	=item $cf::RUNTIME	225	=item $cf::RUNTIME
153		226
154	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
155	every server tick.	228	every server tick.
156		229
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		233
161	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
164	database environment.	237	database environment.
165		238
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	239	=item $cf::LOADAVG
175		240
176	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
187	from wherever your confdir points to.	252	from wherever your confdir points to.
188		253
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		255
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
192	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
194		277
195	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
196		279
197	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
198	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
199	that call.	282	that call.
200		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
201	=back	290	=back
202		291
203	=cut	292	=cut
204		293
205	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
206	*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 {
207	my $msg = join "", @_;	301	my $msg = join "", @_;
208		302
209	$msg .= "\n"	303	$msg .= "\n"
210	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
211		305
212	$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;
213		307
214	LOG llevError, $msg;	308	LOG llevWarn, $msg;
215	};	309	};
216	}
217		310
218	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
220		313
221	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	318	return;#d#
224	}#d#	319	}#d#
225		320
226	# kill coroutine otherwise	321	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	322	Coro::terminate
229	};	323	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		324
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
246	cf::client cf::player	338	cf::client cf::player
247	cf::arch cf::living	339	cf::arch cf::living
248	cf::map cf::mapspace	340	cf::map cf::mapspace
249	cf::party cf::region	341	cf::party cf::region
250	)) {	342	)) {
251	no strict 'refs';
252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
253	}	344	}
254		345
255	$EV::DIED = sub {	346	$EV::DIED = sub {
256	warn "error in event callback: @_";	347	warn "error in event callback: $@";
257	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
258		354
259	#############################################################################	355	#############################################################################
260		356
261	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
262		358
…		…
283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
284	$d	380	$d
285	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
286	}	382	}
287		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
288	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
289		437
290	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
291		439
292	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299		447
300	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
301	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
302		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
303	=item cf::lock_wait $string	513	=item cf::lock_wait $string
304		514
305	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
306		516
307	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
308		518
309	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
310	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,
311	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
312	returned.	522	returned.
313		523
314	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
315	deadlocked coro.	525	deadlocked coro.
…		…
321		531
322	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.
323		533
324	=cut	534	=cut
325		535
326	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
327	our %LOCKER;#d#
328		537
329	sub lock_wait($) {	538	sub lock_wait($) {
330	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
331
332	if ($LOCKER{$key} == $Coro::current) {#d#
333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334	return;#d#
335	}#d#
336
337	# wait for lock, if any
338	while ($LOCK{$key}) {
339	push @{ $LOCK{$key} }, $Coro::current;
340	Coro::schedule;
341	}
342	}	540	}
343		541
344	sub lock_acquire($) {	542	sub lock_acquire($) {
345	my ($key) = @_;	543	$LOCKS->guard ($_[0])
346
347	# wait, to be sure we are not locked
348	lock_wait $key;
349
350	$LOCK{$key} = [];
351	$LOCKER{$key} = $Coro::current;#d#
352
353	Coro::guard {
354	delete $LOCKER{$key};#d#
355	# wake up all waiters, to be on the safe side
356	$_->ready for @{ delete $LOCK{$key} };
357	}
358	}	544	}
359		545
360	sub lock_active($) {	546	sub lock_active($) {
361	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
362
363	! ! $LOCK{$key}
364	}	548	}
365		549
366	sub freeze_mainloop {	550	sub freeze_mainloop {
367	tick_inhibit_inc;	551	tick_inhibit_inc;
368		552
369	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
370	}	554	}
371		555
372	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
373		557
374	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
375	get spread over timer.	559	get spread over time.
376		560
377	=cut	561	=cut
378		562
379	sub periodic($$) {	563	sub periodic($$) {
380	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
384	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
385	}	569	}
386		570
387	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
388		572
389	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
390	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
391	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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 les than zero, interactive jobs
		579	should use 100 or more.
392		580
393	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
394	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
395		583
396	Useful for short background jobs.	584	Useful for short background jobs.
397		585
398	=cut	586	=cut
399		587
400	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
401	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
402		591
403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
405	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
406		595
407	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
408		598
409	while () {	599	while () {
410	next_job:	600	next_job:
		601
411	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
412	if ($avail > 0.01) {	603
413	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
414	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
415	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
416	$job->[2]->send;	608	$job->[2]->send;
417	Coro::cede;	609	Coro::cede;
418	goto next_job;	610	goto next_job;
419	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
420	}	613	}
421	}	614	}
422		615
423	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
424	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
425	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
426	$signal->wait;
427	} else {	619	} else {
		620	$busy = 0;
428	Coro::schedule;	621	Coro::schedule;
429	}	622	}
430	}	623	}
431	};	624	};
432		625
433	sub get_slot($;$$) {	626	sub get_slot($;$$) {
434	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
435		628
436	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
437		630
438	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
439	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
440		634
441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
469	=cut	663	=cut
470		664
471	sub sync_job(&) {	665	sub sync_job(&) {
472	my ($job) = @_;	666	my ($job) = @_;
473		667
474	if ($Coro::current == $Coro::main) {	668	if (in_main) {
475	my $time = EV::time;	669	my $time = AE::time;
476		670
477	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
478	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
479		673
480	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
481		675
482	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
483		677
484	my $busy = 1;	678	my $busy = 1;
485	my @res;	679	my @res;
486		680
487	(async {	681	(async {
488	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
489	@res = eval { $job->() };	683	@res = eval { $job->() };
490	warn $@ if $@;	684	error $@ if $@;
491	undef $busy;	685	undef $busy;
492	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
493		687
494	while ($busy) {	688	while ($busy) {
495	if (Coro::nready) {	689	if (Coro::nready) {
…		…
497	} else {	691	} else {
498	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
499	}	693	}
500	}	694	}
501		695
502	my $time = EV::time - $time;	696	my $time = AE::time - $time;
503		697
504	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
505		699
506	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
507	} else {	701	} else {
…		…
529	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
530		724
531	$coro	725	$coro
532	}	726	}
533		727
534	=item fork_call { }, $args	728	=item fork_call { }, @args
535		729
536	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
537	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
538	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
539	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
540		734
541	=cut	735	=cut
542		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
543	sub fork_call(&@) {	741	sub fork_call(&@) {
544	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
545		743
546	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
547	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
548	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
549		747
550	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
551	reset_signals;	749	cf::post_fork;
552	&$cb	750	&$cb
553	}, @args;	751	} @args;
554		752
555	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
556	}	765	}
557		766
558	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
559		768
560	=cut	769	=cut
…		…
597	within each server.	806	within each server.
598		807
599	=cut	808	=cut
600		809
601	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
602	my ($name) = @_;	814	my ($name) = @_;
603	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
604		816
605	eval {	817	eval {
606	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
616	}	828	}
617		829
618	our $DB;	830	our $DB;
619		831
620	sub db_init {	832	sub db_init {
621	cf::sync_job {
622	$DB ||= db_table "db";	833	$DB ||= db_table "db";
623	};
624	}	834	}
625		835
626	sub db_get($$) {	836	sub db_get($$) {
627	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
628		838
629	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
630	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
631		843
632	$! ? ()	844	$! ? ()
633	: $data	845	: $data
634	}
635	}	846	}
636		847
637	sub db_put($$$) {	848	sub db_put($$$) {
638	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
667		878
668	my @data;	879	my @data;
669	my $md5;	880	my $md5;
670		881
671	for (0 .. $#$src) {	882	for (0 .. $#$src) {
672	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
673	or Carp::croak "$src->[$_]: $!";
674	}	884	}
675		885
676	# if processing is expensive, check	886	# if processing is expensive, check
677	# checksum first	887	# checksum first
678	if (1) {	888	if (1) {
…		…
691		901
692	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
693	}	903	}
694	}	904	}
695		905
696	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
697	my $data = $process->(\@data);	907	my $data = $process->(\@data);
698	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
699		909
700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
701		911
702	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
703	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
704	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
705		915
…		…
715		925
716	=cut	926	=cut
717		927
718	sub datalog($@) {	928	sub datalog($@) {
719	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
721	}	931	}
722		932
723	=back	933	=back
724		934
725	=cut	935	=cut
726		936
727	#############################################################################	937	#############################################################################
728		938
729	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
730		940
731	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
732	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
733	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
734		944
735	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
736	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
786	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
787		997
788	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
789	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
790		1000
791	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
792	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
793		1003
794	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
795		1005
796	=over 4	1006	=over 4
…		…
920		1130
921	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
922	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
923		1133
924	} elsif (ref $type) {	1134	} elsif (ref $type) {
925	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
926		1136
927	} else {	1137	} else {
928	shift @arg;	1138	shift @arg;
929	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
930	}	1140	}
931	}	1141	}
932	}	1142	}
933		1143
934	sub _object_attach {	1144	sub _object_attach {
…		…
944	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
945	}	1155	}
946		1156
947	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
948	} else {	1158	} else {
949	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
950	}	1160	}
951		1161
952	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
953	}	1163	}
954		1164
…		…
1013		1223
1014	for (@$callbacks) {	1224	for (@$callbacks) {
1015	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1016		1226
1017	if ($@) {	1227	if ($@) {
1018	warn "$@";
1019	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1020	override;	1229	override;
1021	}	1230	}
1022		1231
1023	return 1 if $override;	1232	return 1 if $override;
1024	}	1233	}
…		…
1087		1296
1088	sub reattach {	1297	sub reattach {
1089	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1090	my ($obj) = @_;	1299	my ($obj) = @_;
1091		1300
		1301	# no longer needed after getting rid of delete_package?
1092	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1093		1303
1094	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1095		1305
1096	@$registry = ();	1306	@$registry = ();
1097		1307
…		…
1102	for (@$attach) {	1312	for (@$attach) {
1103	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1104	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1105	}	1315	}
1106	} else {	1316	} else {
1107	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1108	}	1318	}
1109	}	1319	}
1110	}	1320	}
1111		1321
1112	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1139	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1140		1350
1141	sync_job {	1351	sync_job {
1142	if (length $$rdata) {	1352	if (length $$rdata) {
1143	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1144	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1145	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1146		1357
1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1148	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1150	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1151	aio_close $fh;	1365	aio_close $fh;
1152		1366
1153	if (@$objs) {	1367	if (@$objs) {
1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1155	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1157	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1158	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1159	aio_close $fh;	1376	aio_close $fh;
1160	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1161	}	1378	}
1162	} else {	1379	} else {
1163	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1164	}	1381	}
1165		1382
1166	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1167	} else {	1387	} else {
1168	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1169	}	1389	}
1170	} else {	1390	} else {
1171	aio_unlink $filename;	1391	aio_unlink $filename;
1172	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1173	}	1393	}
…		…
1197	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1198	$av = $st->{objs};	1418	$av = $st->{objs};
1199	}	1419	}
1200		1420
1201	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1202	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1203	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1204		1425
1205	($data, $av)	1426	($data, $av)
1206	}	1427	}
1207		1428
1208	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1212	=cut	1433	=cut
1213		1434
1214	#############################################################################	1435	#############################################################################
1215	# command handling &c	1436	# command handling &c
1216		1437
1217	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1218		1439
1219	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1220	$name.	1441	$name.
1221		1442
1222	=cut	1443	=cut
…		…
1228	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1229		1450
1230	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1231	}	1452	}
1232		1453
1233	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1234		1455
1235	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1236	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1237	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1238	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1239	has logged in successfully.	1460	has logged in successfully.
1240		1461
1241	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1242	called.
1243		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1244	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1245		1470
1246	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1247	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1248	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1249	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1250	log-in.	1475	log-in.
1251		1476
1252	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1253	called.
1254		1478
1255	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1256		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1257	sub register_extcmd {	1486	sub register_extcmd($$) {
1258	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1259		1488
1260	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1261	}	1490	}
1262		1491
1263	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1264	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1265		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1266	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1267	}	1502	}
1268		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1269	cf::player->attach (	1512	cf::player->attach (
1270	on_command => sub {	1513	on_unknown_command => sub {
1271	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1272		1515
1273	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1274	or return;	1517	or return;
1275		1518
…		…
1283	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1284		1527
1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1286		1529
1287	if (ref $msg) {	1530	if (ref $msg) {
1288	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1289	"ARRAY" eq ref $msg
1290	? @$msg
1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292		1532
1293	my @reply;
1294
1295	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1296	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1297	}	1551	}
1298		1552
1299	$pl->ext_reply ($reply, @reply)
1300	if $reply;
1301
1302	} else {	1553	} else {
1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1304	}	1555	}
1305		1556
1306	cf::override;	1557	cf::override;
1307	},	1558	},
1308	);	1559	);
1309		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1310	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1311	cf::sync_job {	1590	cf::sync_job {
1312	my %todo;	1591	my %todo;
1313		1592
1314	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1315	next unless -r $path;	1594	next unless -r $path;
…		…
1333		1612
1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336		1615
1337	$ext{source} =	1616	$ext{source} =
1338	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1339	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1340	. $source	1619	. $source
1341	. "\n};\n1";	1620	. "\n};\n1";
1342		1621
1343	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1344	}	1623	}
1345		1624
		1625	my $pass = 0;
1346	my %done;	1626	my %done;
1347	while (%todo) {	1627	while (%todo) {
1348	my $progress;	1628	my $progress;
1349		1629
		1630	++$pass;
		1631
		1632	ext:
1350	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1351	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1352	goto skip	1635	next ext
1353	unless exists $done{$_};	1636	unless exists $done{$_};
1354	}	1637	}
1355		1638
1356	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1357		1640
1358	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1359	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1360	: "$v->{base}: extension inactive.\n";
1361		1654
1362	if (exists $v->{meta}{mandatory}) {
1363	warn $msg;
1364	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1365	}	1656	if exists $v->{meta}{mandatory};
1366		1657
1367	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1368	}	1667	}
1369
1370	$done{$k} = delete $todo{$k};
1371	push @EXTS, $v->{pkg};
1372	$progress = 1;
1373	}	1668	}
1374		1669
1375	skip:	1670	unless ($progress) {
1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1377	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1378	}	1680	}
1379	};	1681	};
1380	}	1682	}
1381		1683
1382	#############################################################################	1684	#############################################################################
1383		1685
1384	=back	1686	=back
1385		1687
1386	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1387		1689
1388	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1389		1691
1390	=cut	1692	=cut
1391		1693
1392	package cf::player;	1694	package cf::player;
1393		1695
…		…
1436		1738
1437	sub exists($) {	1739	sub exists($) {
1438	my ($login) = @_;	1740	my ($login) = @_;
1439		1741
1440	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1441	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1442	}	1744	}
1443		1745
1444	sub find($) {	1746	sub find($) {
1445	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1446	my $login = $_[0];	1748	my $login = $_[0];
…		…
1466	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1467	}	1769	}
1468	}	1770	}
1469	}	1771	}
1470		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1471	sub save($) {	1786	sub save($) {
1472	my ($pl) = @_;	1787	my ($pl) = @_;
1473		1788
1474	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1475		1790
…		…
1480		1795
1481	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1482	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1483		1798
1484	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1485		1803
1486	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1487	cf::cede_to_tick;	1805	cf::cede_to_tick;
1488	}	1806	}
1489		1807
…		…
1521	my ($pl) = @_;	1839	my ($pl) = @_;
1522		1840
1523	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1524		1842
1525	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1526	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1527		1845
1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1529	$pl->deactivate;	1847	$pl->deactivate;
		1848
1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1531	$pl->ob->check_score;
1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1533	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1534		1854
1535	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1536	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1537	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1591	\@logins	1911	\@logins
1592	}	1912	}
1593		1913
1594	=item $player->maps	1914	=item $player->maps
1595		1915
		1916	=item cf::player::maps $login
		1917
1596	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1597	player. May block.	1919	player. May block.
1598		1920
1599	=cut	1921	=cut
1600		1922
…		…
1617	}	1939	}
1618		1940
1619	\@paths	1941	\@paths
1620	}	1942	}
1621		1943
1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1623		1945
1624	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1625
1626	=cut
1627
1628	use re 'eval';
1629
1630	my $group;
1631	my $interior; $interior = qr{
1632	# match a pod interior sequence sans C<< >>
1633	(?:
1634	\ (.*?)\ (?{ $group = $^N })
1635	| < (??{$interior}) >
1636	)
1637	}x;
1638
1639	sub expand_cfpod {
1640	my ($self, $pod) = @_;
1641
1642	my $xml;
1643
1644	while () {
1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646	$group = $1;
1647
1648	$group =~ s/&/&amp;/g;
1649	$group =~ s/</&lt;/g;
1650
1651	$xml .= $group;
1652	} elsif ($pod =~ m%\G
1653	([BCGHITU])
1654	<
1655	(?:
1656	([^<>]*) (?{ $group = $^N })
1657	| < $interior >
1658	)
1659	>
1660	%gcsx
1661	) {
1662	my ($code, $data) = ($1, $group);
1663
1664	if ($code eq "B") {
1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666	} elsif ($code eq "I") {
1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668	} elsif ($code eq "U") {
1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670	} elsif ($code eq "C") {
1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672	} elsif ($code eq "T") {
1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674	} elsif ($code eq "G") {
1675	my ($male, $female) = split /\|/, $data;
1676	$data = $self->gender ? $female : $male;
1677	$xml .= expand_cfpod ($self, $data);
1678	} elsif ($code eq "H") {
1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681	"")
1682	[$self->{hintmode}];
1683	} else {
1684	$xml .= "error processing '$code($data)' directive";
1685	}
1686	} else {
1687	if ($pod =~ /\G(.+)/) {
1688	warn "parse error while expanding $pod (at $1)";
1689	}
1690	last;
1691	}
1692	}
1693
1694	for ($xml) {
1695	# create single paragraphs (very hackish)
1696	s/(?<=\S)\n(?=\w)/ /g;
1697
1698	# compress some whitespace
1699	s/\s+\n/\n/g; # ws line-ends
1700	s/\n\n+/\n/g; # double lines
1701	s/^\n+//; # beginning lines
1702	s/\n+$//; # ending lines
1703	}
1704
1705	$xml
1706	}
1707
1708	no re 'eval';
1709
1710	sub hintmode {
1711	$_[0]{hintmode} = $_[1] if @_ > 1;
1712	$_[0]{hintmode}
1713	}
1714
1715	=item $player->ext_reply ($msgid, @msg)
1716
1717	Sends an ext reply to the player.
1718
1719	=cut
1720
1721	sub ext_reply($$@) {
1722	my ($self, $id, @msg) = @_;
1723
1724	$self->ns->ext_reply ($id, @msg)
1725	}
1726		1947
1727	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1728		1949
1729	Sends an ext event to the client.	1950	Sends an ext event to the client.
1730		1951
…		…
1750		1971
1751	=cut	1972	=cut
1752		1973
1753	sub find_by_path($) {	1974	sub find_by_path($) {
1754	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1755		1978
1756	my ($match, $specificity);	1979	my ($match, $specificity);
1757		1980
1758	for my $region (list) {	1981	for my $region (list) {
1759	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1788	sub generate_random_map {	2011	sub generate_random_map {
1789	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1790		2013
1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1792		2015
1793	# mit "rum" bekleckern, nicht
1794	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1798	$rmp->{exit_on_final_map},
1799	$rmp->{xsize}, $rmp->{ysize},
1800	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1801	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1802	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1803	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1806	)
1807	}	2017	}
1808		2018
1809	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1810		2020
1811	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1816		2026
1817	sub register {	2027	sub register {
1818	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1819	my $pkg = caller;	2029	my $pkg = caller;
1820		2030
1821	no strict;
1822	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1823		2032
1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1825	}	2034	}
1826		2035
1827	# also paths starting with '/'	2036	# also paths starting with '/'
1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1829		2038
1830	sub thawer_merge {	2039	sub thawer_merge {
1831	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1832		2041
1833	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1838	}	2047	}
1839		2048
1840	sub normalise {	2049	sub normalise {
1841	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1842		2051
1843	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1844		2053
1845	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1846		2055
1847	# map plan:	2056	# map plan:
1848	#	2057	#
…		…
1863	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1864	$path = "$base/$path";	2073	$path = "$base/$path";
1865	}	2074	}
1866		2075
1867	for ($path) {	2076	for ($path) {
1868	redo if s{//}{/};
1869	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1870	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1871	}	2079	}
1872		2080
1873	$path	2081	$path
…		…
1887	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1888	return $self;	2096	return $self;
1889	}	2097	}
1890	}	2098	}
1891		2099
1892	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1893	()	2101	()
1894	}	2102	}
1895		2103
		2104	# may re-bless or do other evil things
1896	sub init {	2105	sub init {
1897	my ($self) = @_;	2106	my ($self) = @_;
1898		2107
1899	$self	2108	$self
1900	}	2109	}
…		…
1931		2140
1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1934	}	2143	}
1935		2144
1936	# and all this just because we cannot iterate over
1937	# all maps in C++...
1938	sub change_all_map_light {
1939	my ($change) = @_;
1940
1941	$_->change_map_light ($change)
1942	for grep $_->outdoor, values %cf::MAP;
1943	}
1944
1945	sub decay_objects {	2145	sub decay_objects {
1946	my ($self) = @_;	2146	my ($self) = @_;
1947		2147
1948	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1949		2149
…		…
1974	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1975		2175
1976	1	2176	1
1977	}	2177	}
1978		2178
		2179	# used to laod the header of an original map
1979	sub load_header_orig {	2180	sub load_header_orig {
1980	my ($self) = @_;	2181	my ($self) = @_;
1981		2182
1982	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1983	}	2184	}
1984		2185
		2186	# used to laod the header of an instantiated map
1985	sub load_header_temp {	2187	sub load_header_temp {
1986	my ($self) = @_;	2188	my ($self) = @_;
1987		2189
1988	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1989	}	2191	}
1990		2192
		2193	# called after loading the header from an instantiated map
1991	sub prepare_temp {	2194	sub prepare_temp {
1992	my ($self) = @_;	2195	my ($self) = @_;
1993		2196
1994	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1995	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1996	# safety	2199	# safety
1997	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1998	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1999	}	2202	}
2000		2203
		2204	# called after loading the header from an original map
2001	sub prepare_orig {	2205	sub prepare_orig {
2002	my ($self) = @_;	2206	my ($self) = @_;
2003		2207
2004	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2005	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2029		2233
2030	sub find;	2234	sub find;
2031	sub find {	2235	sub find {
2032	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2033		2237
		2238	cf::cede_to_tick;
		2239
2034	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2035		2241
2036	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2037	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2038		2244
2039	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2041	my $guard2 = cf::lock_acquire "map_find:$path";
2042
2043	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2044	or return;	2247	or return;
2045		2248
2046	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2047		2250
…		…
2059		2262
2060	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2061	}	2264	}
2062	}	2265	}
2063		2266
2064	sub pre_load { }	2267	sub pre_load { }
2065	sub post_load { }	2268	#sub post_load { } # XS
2066		2269
2067	sub load {	2270	sub load {
2068	my ($self) = @_;	2271	my ($self) = @_;
2069		2272
2070	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2073		2276
2074	{	2277	{
2075	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2076		2279
2077	return unless $self->valid;	2280	return unless $self->valid;
2078	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2079
2080	$self->in_memory (cf::MAP_LOADING);
2081		2282
2082	$self->alloc;	2283	$self->alloc;
2083		2284
2084	$self->pre_load;	2285	$self->pre_load;
2085	cf::cede_to_tick;	2286	cf::cede_to_tick;
2086		2287
		2288	if (exists $self->{load_path}) {
2087	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2088	$f->skip_block;	2290	$f->skip_block;
2089	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2090	or return;	2292	or return;
2091		2293
2092	$self->post_load_original	2294	$self->post_load_original
2093	if delete $self->{load_original};	2295	if delete $self->{load_original};
2094		2296
2095	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2096	utf8::encode $uniq;	2298	utf8::encode $uniq;
2097	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2098	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2099	$self->clear_unique_items;	2301	$self->clear_unique_items;
2100	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2101	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2102	}	2305	}
2103	}	2306	}
2104	}
2105		2307
2106	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2107		2315
2108	cf::cede_to_tick;	2316	cf::cede_to_tick;
2109	# now do the right thing for maps	2317	# now do the right thing for maps
2110	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2111	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2115	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2116	$self->decay_objects;	2324	$self->decay_objects;
2117	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2118	$self->update_buttons;	2326	$self->update_buttons;
2119	cf::cede_to_tick;	2327	cf::cede_to_tick;
2120	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2121	cf::cede_to_tick;
2122	$self->activate;
2123	}	2329	}
2124		2330
2125	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2126	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2127
2128	$self->in_memory (cf::MAP_ACTIVE);
2129	}	2333	}
2130		2334
2131	$self->post_load;	2335	$self->post_load;
2132	}
2133		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2134	sub customise_for {	2343	sub customise_for {
2135	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2136		2345
2137	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2138	if $self->per_player;	2347	if $self->per_player;
…		…
2141	# if $self->per_party;	2350	# if $self->per_party;
2142		2351
2143	$self	2352	$self
2144	}	2353	}
2145		2354
2146	# find and load all maps in the 3x3 area around a map
2147	sub load_neighbours {
2148	my ($map) = @_;
2149
2150	my @neigh; # diagonal neighbours
2151
2152	for (0 .. 3) {
2153	my $neigh = $map->tile_path ($_)
2154	or next;
2155	$neigh = find $neigh, $map
2156	or next;
2157	$neigh->load;
2158
2159	push @neigh,
2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2162	}
2163
2164	for (grep defined $_->[0], @neigh) {
2165	my ($path, $origin) = @$_;
2166	my $neigh = find $path, $origin
2167	or next;
2168	$neigh->load;
2169	}
2170	}
2171
2172	sub find_sync {	2355	sub find_sync {
2173	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2174		2357
2175	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2176	}	2363	}
2177		2364
2178	sub do_load_sync {	2365	sub do_load_sync {
2179	my ($map) = @_;	2366	my ($map) = @_;
2180		2367
		2368	# it's a bug to call this from the main context
2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2182	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2183		2371
2184	cf::sync_job { $map->load };	2372	$map->load;
2185	}	2373	}
2186		2374
2187	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2188	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2189		2377
2190	sub find_async {	2378	sub find_async {
2191	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2192		2380
2193	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2194		2382
2195	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2197	}	2385	}
2198		2386
2199	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2200		2388
2201	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2215	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2216		2404
2217	()	2405	()
2218	}	2406	}
2219		2407
		2408	# common code, used by both ->save and ->swapout
2220	sub save {	2409	sub _save {
2221	my ($self) = @_;	2410	my ($self) = @_;
2222
2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
2224		2411
2225	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2226		2413
2227	return unless $self->dirty;	2414	return unless $self->dirty;
2228		2415
…		…
2248	} else {	2435	} else {
2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2250	}	2437	}
2251	}	2438	}
2252		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2253	sub swap_out {	2448	sub swap_out {
2254	my ($self) = @_;	2449	my ($self) = @_;
2255		2450
2256	# save first because save cedes
2257	$self->save;
2258
2259	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2260		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2261	return if $self->players;	2455	return if $self->players;
2262	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2263	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2264		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2265	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2266		2507
2267	$self->deactivate;	2508	$self->deactivate;
2268	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->clear;	2510	$self->clear;
2270	}
2271
2272	sub reset_at {
2273	my ($self) = @_;
2274
2275	# TODO: safety, remove and allow resettable per-player maps
2276	return 1e99 if $self->{deny_reset};
2277
2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2280
2281	$time + $to
2282	}
2283
2284	sub should_reset {
2285	my ($self) = @_;
2286
2287	$self->reset_at <= $cf::RUNTIME
2288	}
2289
2290	sub reset {
2291	my ($self) = @_;
2292
2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
2294
2295	return if $self->players;
2296
2297	warn "resetting map ", $self->path;
2298
2299	$self->in_memory (cf::MAP_SWAPPED);
2300
2301	# need to save uniques path
2302	unless ($self->{deny_save}) {
2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
2304
2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2306	if $uniq;
2307	}
2308
2309	delete $cf::MAP{$self->path};
2310
2311	$self->deactivate;
2312	$_->clear_links_to ($self) for values %cf::MAP;
2313	$self->clear;
2314		2511
2315	$self->unlink_save;	2512	$self->unlink_save;
2316	$self->destroy;	2513	$self->destroy;
2317	}	2514	}
2318		2515
…		…
2326		2523
2327	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2328		2525
2329	$self->unlink_save;	2526	$self->unlink_save;
2330		2527
2331	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2332	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2333	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2334	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2336		2533
…		…
2393	: normalise $_	2590	: normalise $_
2394	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2395	]	2592	]
2396	}	2593	}
2397		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2398	=back	2627	=back
2399		2628
2400	=head3 cf::object	2629	=head3 cf::object
2401		2630
2402	=cut	2631	=cut
…		…
2467		2696
2468	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2469	id => "say",	2698	id => "say",
2470	title => "Map",	2699	title => "Map",
2471	reply => "say ",	2700	reply => "say ",
2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2473	};	2702	};
2474		2703
2475	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2476	id => "chat",	2705	id => "chat",
2477	title => "Chat",	2706	title => "Chat",
…		…
2532		2761
2533	=item $player_object->enter_link	2762	=item $player_object->enter_link
2534		2763
2535	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2536		2765
2537	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2538	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2539		2770
2540	Will never block.	2771	Will never block.
2541		2772
2542	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2543		2774
…		…
2563	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2564	my ($self) = @_;	2795	my ($self) = @_;
2565		2796
2566	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2567		2798
		2799	++$self->{_link_recursion};
		2800
2568	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2569		2802
2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2571	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2572		2805
2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2574	}	2807	}
2575		2808
2576	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2577	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2578		2811
…		…
2595	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2596	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2597		2830
2598	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2599	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2600	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2601		2834
2602	$map->load;	2835	$map->load;
2603	$map->load_neighbours;
2604		2836
2605	return unless $self->contr->active;	2837	return unless $self->contr->active;
2606	$self->activate_recursive;
2607		2838
2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2609	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2610	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2611		2846
		2847	}
		2848
2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2613		2850
2614	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2615	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2616	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2617	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
…		…
2624		2861
2625	our $GOTOGEN;	2862	our $GOTOGEN;
2626		2863
2627	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2628	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2629		2872
2630	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2632		2875
2633	$self->enter_link;	2876	$self->enter_link;
…		…
2653	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2654	}	2897	}
2655	}	2898	}
2656		2899
2657	my $map = eval {	2900	my $map = eval {
2658	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2659		2902
2660	if ($map) {	2903	if ($map) {
2661	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2662	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2663	} else {	2906	} else {
2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2665	}	2908	}
2666		2909
2667	$map	2910	$map
…		…
2675	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2676	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2677	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2678	}	2921	}
2679		2922
2680	$done->() if $done;	2923	$done->($self) if $done;
2681	})->prio (1);	2924	})->prio (1);
2682	}	2925	}
2683		2926
2684	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2685		2928
…		…
2753	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2754		2997
2755	unless (eval {	2998	unless (eval {
2756	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2757		3000
2758	# random map handling
2759	{
2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762	prepare_random_map $exit
2763	if $exit->slaying eq "/!";
2764	}
2765
2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2767	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2768	my $y = $exit->stats->sp;	3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
2769		3027
2770	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2771		3029
2772	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2773	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2774	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2775		3033
2776	1	3034	1
2777	}) {	3035	}) {
2778	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2779	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2780	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2781	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2782		3040
2783	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2784	$self->leave_link;	3042	$self->leave_link;
2785	}	3043	}
2786	})->prio (1);	3044	})->prio (1);
2787	}	3045	}
2788		3046
…		…
2800	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2801	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2802		3060
2803	utf8::encode $text;	3061	utf8::encode $text;
2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2805	}	3088	}
2806		3089
2807	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2808		3091
2809	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2813		3096
2814	=cut	3097	=cut
2815		3098
2816	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2817	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2818	"c/identify" => {	3107	"c/identify" => {
2819	id => "infobox",	3108	id => "infobox",
2820	title => "Identify",	3109	title => "Identify",
2821	reply => undef,	3110	reply => undef,
2822	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2824	"c/examine" => {	3113	"c/examine" => {
2825	id => "infobox",	3114	id => "infobox",
2826	title => "Examine",	3115	title => "Examine",
2827	reply => undef,	3116	reply => undef,
2828	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2829	},	3124	},
2830	"c/book" => {	3125	"c/book" => {
2831	id => "infobox",	3126	id => "infobox",
2832	title => "Book",	3127	title => "Book",
2833	reply => undef,	3128	reply => undef,
…		…
2849	id => "infobox",	3144	id => "infobox",
2850	title => "Body Parts",	3145	title => "Body Parts",
2851	reply => undef,	3146	reply => undef,
2852	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2853	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2854	"c/uptime" => {	3185	"c/uptime" => {
2855	id => "infobox",	3186	id => "infobox",
2856	title => "Uptime",	3187	title => "Uptime",
2857	reply => undef,	3188	reply => undef,
2858	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2867	id => "party",	3198	id => "party",
2868	title => "Party",	3199	title => "Party",
2869	reply => "gsay ",	3200	reply => "gsay ",
2870	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2871	},	3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2872	);	3211	);
2873		3212
2874	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2875	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2876		3215
2877	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2878		3218
2879	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2880		3220
2881	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2882	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2883	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2884		3224
2885	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2886	if $self->can_msg;
2887
2888	$channel = $channel->{id};	3226	$channel = $channel->{id};
2889		3227
2890	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2891	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2892	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2893	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2894	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2895	if $self->can_msg;
2896	}	3233	}
2897		3234
2898	$channel = $channel->{id};	3235	$channel = $channel->{id};
2899	}	3236	}
2900		3237
2901	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2902		3239
2903	if ($self->can_msg) {
2904	# default colour, mask it out	3240	# default colour, mask it out
2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2907		3243
2908	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910	} else {	3247	);
2911	if ($color >= 0) {
2912	# replace some tags by gcfclient-compatible ones
2913	for ($msg) {
2914	1 while
2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920	}
2921		3248
2922	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2923
2924	utf8::encode $msg;
2925
2926	if (0 && $msg =~ /\[/) {
2927	# COMMAND/INFO
2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
2929	} else {
2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931	$self->send_packet ("drawinfo $color $msg")
2932	}
2933	}
2934	}
2935	}	3250	}
2936		3251
2937	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2938		3253
2939	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2941	=cut	3256	=cut
2942		3257
2943	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2944	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2945		3260
2946	if ($self->extcmd == 2) {
2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948	} elsif ($self->extcmd == 1) { # TODO: remove
2949	push @msg, msgtype => "event_$type";
2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951	}
2952	}
2953
2954	=item $client->ext_reply ($msgid, @msg)
2955
2956	Sends an ext reply to the client.
2957
2958	=cut
2959
2960	sub cf::client::ext_reply($$@) {
2961	my ($self, $id, @msg) = @_;
2962
2963	if ($self->extcmd == 2) {
2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965	} elsif ($self->extcmd == 1) {
2966	#TODO: version 1, remove
2967	unshift @msg, msgtype => "reply", msgid => $id;
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}
2970	}	3262	}
2971		3263
2972	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2973		3265
2974	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3029	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3030		3322
3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032		3324
3033	if (ref $msg) {	3325	if (ref $msg) {
3034	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3035	"ARRAY" eq ref $msg
3036	? @$msg
3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038		3327
3039	my @reply;
3040
3041	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3042	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3043	}	3346	}
3044
3045	$ns->ext_reply ($reply, @reply)
3046	if $reply;
3047
3048	} else {	3347	} else {
3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3050	}	3349	}
3051		3350
3052	cf::override;	3351	cf::override;
3053	},	3352	},
3054	);	3353	);
…		…
3074		3373
3075	$coro	3374	$coro
3076	}	3375	}
3077		3376
3078	cf::client->attach (	3377	cf::client->attach (
3079	on_destroy => sub {	3378	on_client_destroy => sub {
3080	my ($ns) = @_;	3379	my ($ns) = @_;
3081		3380
3082	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3083	},	3382	},
3084	);	3383	);
…		…
3100	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3101		3400
3102	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3103		3402
3104	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3105	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3106	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3107	sort time	3406	sort time
3108	));	3407	));
3109		3408
3110	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3114	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3115		3414
3116	cf::object	3415	cf::object
3117	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3118	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3119		3419
3120	cf::object::player	3420	cf::object::player
3121	player	3421	player
3122		3422
3123	cf::player	3423	cf::player
…		…
3129	=cut	3429	=cut
3130		3430
3131	for (	3431	for (
3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3134	decrease split destroy change_exp)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3135	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3136	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3137	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3138	) {	3438	) {
3139	no strict 'refs';
3140	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3141	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3142	for @funs;	3441	for @funs;
3143	}	3442	}
3144		3443
…		…
3159		3458
3160	my $qcode = $code;	3459	my $qcode = $code;
3161	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3162	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3163		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3164	local $_;	3466	local $_;
3165	local @safe::cf::_safe_eval_args = values %vars;
3166		3467
3167	my $eval =	3468	my $eval =
3168	"do {\n"	3469	"do {\n"
3169	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3170	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3171	. $code	3472	. $code
3172	. "\n}"	3473	. "\n}"
3173	;	3474	;
3174		3475
		3476	if ($CFG{safe_eval}) {
3175	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3176	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3177	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3178		3485
3179	if ($@) {	3486	if ($@) {
3180	warn "$@";	3487	warn "$@",
3181	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3182	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3183	}	3490	}
3184		3491
3185	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3186	}	3493	}
3187		3494
…		…
3201	=cut	3508	=cut
3202		3509
3203	sub register_script_function {	3510	sub register_script_function {
3204	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3205		3512
3206	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3207	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3208	}	3515	}
3209		3516
3210	=back	3517	=back
3211		3518
3212	=cut	3519	=cut
3213		3520
3214	#############################################################################	3521	#############################################################################
3215	# the server's init and main functions	3522	# the server's init and main functions
3216		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
3217	sub load_facedata($) {	3596	sub load_facedata($) {
3218	my ($path) = @_;	3597	my ($path) = @_;
3219		3598
3220	# HACK to clear player env face cache, we need some signal framework
3221	# for this (global event?)
3222	%ext::player_env::MUSIC_FACE_CACHE = ();
3223
3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3225		3600
3226	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3227		3602
3228	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3229	0 < aio_load $path, $facedata
3230	or die "$path: $!";
3231
3232	$facedata = Coro::Storable::thaw $facedata;
3233		3604
3234	$facedata->{version} == 2	3605	$facedata->{version} == 2
3235	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3236		3607
3237	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3238	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3239	type => FT_RSRC,	3610
3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3241	};	3612
3242	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3243		3616
3244	{	3617	{
3245	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3246		3619
3247	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249		3623
3250	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3251	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
3254		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3255	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3256	}	3630	}
3257		3631
3258	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3259	next unless $info->{smooth};	3633	next unless $info->{smooth};
3260		3634
…		…
3263		3637
3264	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3265	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3267	} else {	3641	} else {
3268	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3269	}	3643	}
3270
3271	cf::cede_to_tick;
3272	}	3644	}
3273	}	3645	}
3274		3646
3275	{	3647	{
3276	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3277		3649
3278	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3279	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3280	cf::cede_to_tick;
3281	}	3652	}
3282		3653
3283	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3284	}	3655	}
3285		3656
3286	{	3657	{
3287	# TODO: for gcfclient pleasure, we should give resources
3288	# that gcfclient doesn't grok a >10000 face index.
3289	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3290		3659
3291	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
3292	if (defined $info->{type}) {	3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294	my $data;
3295		3664
3296	if ($info->{type} & 1) {
3297	# prepend meta info
3298
3299	my $meta = $enc->encode ({
3300	name => $name,
3301	%{ $info->{meta} || {} },
3302	});
3303
3304	$data = pack "(w/a*)*", $meta, $info->{data};
3305	} else {
3306	$data = $info->{data};
3307	}
3308
3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310	cf::face::set_type $idx, $info->{type};	3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
3311	} else {	3669	} else {
3312	$RESOURCE{$name} = $info;	3670	# $RESOURCE{$name} = $info; # unused
3313	}	3671	}
3314
3315	cf::cede_to_tick;
3316	}	3672	}
3317	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
3318		3684
3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
3321	1	3689	1
3322	}	3690	}
3323
3324	cf::global->attach (on_resource_update => sub {
3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329	my $sound = $soundconf->{compat}[$_]
3330	or next;
3331
3332	my $face = cf::face::find "sound/$sound->[1]";
3333	cf::sound::set $sound->[0] => $face;
3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335	}
3336
3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
3338	my $face = cf::face::find "sound/$v";
3339	cf::sound::set $k => $face;
3340	}
3341	}
3342	});
3343		3691
3344	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
3345	my ($ns, $want) = @_;	3693	my ($ns, $want) = @_;
3346		3694
3347	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
…		…
3355	my $status = load_resource_file_ $_[0];	3703	my $status = load_resource_file_ $_[0];
3356	get_slot 0.1, 100;	3704	get_slot 0.1, 100;
3357	cf::arch::commit_load;	3705	cf::arch::commit_load;
3358		3706
3359	$status	3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
3360	}	3721	}
3361		3722
3362	sub reload_regions {	3723	sub reload_regions {
3363	# HACK to clear player env face cache, we need some signal framework	3724	# HACK to clear player env face cache, we need some signal framework
3364	# for this (global event?)	3725	# for this (global event?)
…		…
3372	if exists $_->{match};	3733	if exists $_->{match};
3373	}	3734	}
3374	}	3735	}
3375		3736
3376	sub reload_facedata {	3737	sub reload_facedata {
3377	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3378	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3379	}	3740	}
3380		3741
3381	sub reload_archetypes {	3742	sub reload_archetypes {
3382	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3383	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
		3745
		3746	set_face "res/skill_info" => FT_RSRC,
		3747	JSON::XS->new->utf8->canonical->encode (
		3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3384	}	3754	}
3385		3755
3386	sub reload_treasures {	3756	sub reload_treasures {
3387	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3388	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3389	}	3759	}
3390		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3391	sub reload_resources {	3781	sub reload_resources {
3392	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3393		3783
		3784	reload_materials;
3394	reload_facedata;	3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
3395	reload_archetypes;	3788	reload_archetypes;
3396	reload_regions;	3789	reload_regions;
3397	reload_treasures;	3790	reload_treasures;
3398		3791
3399	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3400	}
3401
3402	sub init {
3403	my $guard = freeze_mainloop;
3404
3405	evthread_start IO::AIO::poll_fileno;
3406
3407	reload_resources;
3408	}	3793	}
3409		3794
3410	sub reload_config {	3795	sub reload_config {
3411	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3412	or return;
3413		3797
3414	local $/;	3798	my $config = load_file "$CONFDIR/config";
3415	*CFG = YAML::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3416		3801
3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3418		3803
3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3421		3806
3422	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3426	};	3811	};
3427	warn $@ if $@;	3812	warn $@ if $@;
3428	}	3813	}
3429	}	3814	}
3430		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3431	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3432	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3433	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3435	(async {	3857	(async {
3436	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3437	EV::loop EV::LOOP_ONESHOT;	3859	EV::loop EV::LOOP_ONESHOT;
3438	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3439	};	3861	};
3440		3862
3441	{	3863	evthread_start IO::AIO::poll_fileno;
3442	my $guard = freeze_mainloop;	3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3443	reload_config;	3877	reload_config;
3444	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3445	load_extensions;	3887	load_extensions;
3446		3888
3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3889	utime time, time, $RUNTIMEFILE;
		3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
3448	}	3896	};
3449		3897
3450	EV::loop;	3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3451	}	3906	}
3452		3907
3453	#############################################################################	3908	#############################################################################
3454	# initialisation and cleanup	3909	# initialisation and cleanup
3455		3910
3456	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3457	BEGIN {	3912	BEGIN {
3458	our %SIGWATCHER = ();	3913	our %SIGWATCHER = ();
3459	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3461	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3462	};	3917	};
3463	}	3918	}
3464	}	3919	}
3465		3920
3466	sub write_runtime_sync {	3921	sub write_runtime_sync {
3467	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3468		3923
3469	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3470	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3471		3926
3472	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3473		3928
3474	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3475		3930
3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3477	or return;	3932	or return;
3478		3933
3479	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3480	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3481	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3491	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3492		3947
3493	close $fh	3948	close $fh
3494	or return;	3949	or return;
3495		3950
3496	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3497	and return;	3952	and return;
3498		3953
3499	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3500		3955
3501	1	3956	1
3502	}	3957	}
3503		3958
3504	our $uuid_lock;	3959	our $uuid_lock;
…		…
3513	my $uuid = "$LOCALDIR/uuid";	3968	my $uuid = "$LOCALDIR/uuid";
3514		3969
3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516	or return;	3971	or return;
3517		3972
3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
3519	$uuid_skip = 0;	3981	$uuid_skip = 0;
3520		3982
3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3522	and return;	3984	and return;
3523		3985
…		…
3529	or return;	3991	or return;
3530		3992
3531	aio_rename "$uuid~", $uuid	3993	aio_rename "$uuid~", $uuid
3532	and return;	3994	and return;
3533		3995
3534	warn "uuid file written ($value).\n";	3996	trace "uuid file written ($value).\n";
3535		3997
3536	1	3998	1
3537		3999
3538	}	4000	}
3539		4001
…		…
3545	}	4007	}
3546		4008
3547	sub emergency_save() {	4009	sub emergency_save() {
3548	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3549		4011
3550	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3551		4018
3552	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3553	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3554	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3555	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3556	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3557	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3558	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3559	$pl->valid or next;	4028	$pl->valid or next;
3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3561	$pl->save;	4030	$pl->save;
3562	}	4031	}
3563	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3564		4033
3565	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3566	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3567	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3568	$map->valid or next;	4039	$map->valid or next;
3569	$map->save;	4040	$map->save;
3570	}	4041	}
3571	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3572		4043
3573	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3574	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3575	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
3576		4049
3577	warn "begin write uuid\n";	4050	info "emergency_perl_save: begin write uuid\n";
3578	write_uuid_sync 1;	4051	write_uuid_sync 1;
3579	warn "end write uuid\n";	4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3580	};	4072	};
3581		4073
3582	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3583	}	4075	}
3584		4076
3585	sub post_cleanup {	4077	sub post_cleanup {
3586	my ($make_core) = @_;	4078	my ($make_core) = @_;
3587		4079
		4080	IO::AIO::flush;
		4081
3588	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3589	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3590	}	4112	}
3591		4113
3592	sub do_reload_perl() {	4114	sub do_reload_perl() {
3593	# can/must only be called in main	4115	# can/must only be called in main
3594	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3595	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3596	return;	4118	return;
3597	}	4119	}
3598		4120
3599	warn "reloading...";	4121	return if $RELOAD++;
3600		4122
3601	warn "entering sync_job";	4123	my $t1 = AE::time;
3602		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3603	cf::sync_job {	4131	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	4132	#cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark
3607		4133
3608	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;
3610
3611	# if anything goes wrong in here, we should simply crash as we already saved
3612
3613	warn "flushing outstanding aio requests";
3614	for (;;) {
3615	BDB::flush;
3616	IO::AIO::flush;
3617	Coro::cede_notself;
3618	last unless IO::AIO::nreqs || BDB::nreqs;
3619	warn "iterate...";
3620	}
3621
3622	++$RELOAD;
3623
3624	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3625	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3626	%EXT_CORO = ();	4136	%EXT_CORO = ();
3627		4137
3628	warn "removing commands";	4138	trace "perl_reload: removing commands";
3629	%COMMAND = ();	4139	%COMMAND = ();
3630		4140
3631	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3632	%EXTCMD = ();	4142	%EXTCMD = ();
3633	%EXTICMD = ();	4143	%EXTICMD = ();
3634		4144
3635	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3636	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3637	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3638		4148
3639	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3640	eval {	4150	eval {
3641	$cb->($pkg);	4151	$cb->($pkg);
3642	1	4152	1
3643	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3644	}	4158	}
3645		4159
3646	warn "... nuking $pkg";
3647	Symbol::delete_package $pkg;
3648	}
3649
3650	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3651	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3653		4163
3654	warn "... unloading $k";	4164	trace "... unloading $k";
3655	delete $INC{$k};	4165	delete $INC{$k};
3656		4166
3657	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3658	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3659		4169
3660	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3661	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3662	}	4175	}
3663		4176
3664	Symbol::delete_package $k;
3665	}
3666
3667	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3668	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3670		4180
3671	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3672	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3673	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3674		4184
3675	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3676	# and global variables created in xs	4186	# and global variables created in xs
3677	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3678		4188
3679	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3680		4190
3681	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3682	require cf;	4192	require cf;
3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3684		4194
3685	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3686	cf::reload_config;	4196	cf::reload_config;
3687		4197
3688	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3689	cf::load_extensions;	4199	cf::load_extensions;
3690		4200
		4201	if ($REATTACH_ON_RELOAD) {
3691	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3692	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3693	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3694	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3695	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3696	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3697		4209
3698	warn "leaving sync_job";	4210	cf::_post_init 1;
3699		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3700	1	4214	1
3701	} or do {	4215	} or do {
3702	warn $@;	4216	error $@;
3703	cf::cleanup "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
		4218	};
		4219
		4220	--$RELOAD;
3704	};	4221	}
3705		4222
3706	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3707	};	4225	};
3708		4226
3709	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3710		4228
3711	sub reload_perl() {	4229	sub reload_perl() {
3712	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3713	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3714		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3716	do_reload_perl;	4237	do_reload_perl;
3717	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
		4239	};
3718	};	4240	};
3719	}	4241	}
3720		4242
3721	register_command "reload" => sub {	4243	register_command "reload" => sub {
3722	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
…		…
3728	reload_perl;	4250	reload_perl;
3729	};	4251	};
3730	}	4252	}
3731	};	4253	};
3732		4254
3733	unshift @INC, $LIBDIR;	4255	#############################################################################
3734		4256
3735	my $bug_warning = 0;	4257	my $bug_warning = 0;
3736		4258
3737	our @WAIT_FOR_TICK;
3738	our @WAIT_FOR_TICK_BEGIN;
3739
3740	sub wait_for_tick {	4259	sub wait_for_tick() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4261
3743	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3744	push @WAIT_FOR_TICK, $signal;
3745	$signal->wait;
3746	}	4263	}
3747		4264
3748	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3749	return if tick_inhibit || $Coro::current == $Coro::main;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3750		4267
3751	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3752	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3753	$signal->wait;	4270	$signal->wait;
3754	}	4271	}
…		…
3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3759	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3760	return;	4277	return;
3761	}	4278	}
3762		4279
3763	cf::server_tick; # one server iteration	4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3764		4283
3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3767	Coro::async_pool {	4286	Coro::async_pool {
3768	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3769	write_runtime_sync	4288	write_runtime_sync
3770	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3771	};	4290	};
3772	}	4291	}
3773		4292
3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3775	$sig->send;	4294	$sig->send;
3776	}	4295	}
3777	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3778	$sig->send;
3779	}
3780		4297
3781	$LOAD = ($NOW - $TICK_START) / $TICK;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3783		4300
3784	if (0) {	4301	if (0) {
3785	if ($NEXT_TICK) {	4302	if ($NEXT_TICK) {
3786	my $jitter = $TICK_START - $NEXT_TICK;	4303	my $jitter = $TICK_START - $NEXT_TICK;
3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788	warn "jitter $JITTER\n";#d#	4305	debug "jitter $JITTER\n";#d#
3789	}	4306	}
3790	}	4307	}
3791	}	4308	}
3792		4309
3793	{	4310	{
3794	# configure BDB	4311	# configure BDB
		4312	info "initialising database";
3795		4313
3796	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3797	BDB::max_poll_reqs $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3798	$AnyEvent::BDB::WATCHER->priority (1);	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3799		4317
3800	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3801	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829	};	4347	};
3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832	};	4350	};
		4351
		4352	info "database initialised";
3833	}	4353	}
3834		4354
3835	{	4355	{
3836	# configure IO::AIO	4356	# configure IO::AIO
3837		4357
		4358	info "initialising aio";
3838	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3839	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3840	undef $AnyEvent::AIO::WATCHER;	4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
3841	}	4363	}
3842		4364
3843	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3844		4367
3845	sub _log_backtrace {	4368	sub _log_backtrace {
3846	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3847		4370
3848	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3849		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3850	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3851	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3852	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3853	async {	4381	async {
3854	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3855		4383
3856	my @bt = fork_call {	4384	my @bt = fork_call {
3857	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3868	}	4396	}
3869		4397
3870	@funcs	4398	@funcs
3871	};	4399	};
3872		4400
3873	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3874	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3875	--$_log_backtrace;	4404	--$_log_backtrace;
3876	};	4405	};
3877	} else {	4406	} else {
3878	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3879	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3880	}	4409	}
3881	}	4410	}
3882		4411
3883	# load additional modules	4412	# load additional modules
3884	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3885		4415
3886	END { cf::emergency_save }	4416	END { cf::emergency_save }
3887		4417
3888	1	4418	1
3889		4419

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