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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.445 by root, Wed Sep 10 18:18:10 2008 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		117
100	our %RESOURCE;	118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
101		125
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	128	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		130
107	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	134	our $DB_ENV;
111		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
112	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		140
114	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
116	our $NOW;	144	our $NOW;
117		145
118	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		152
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	155	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
129		165
130	binmode STDOUT;	166	binmode STDOUT;
131	binmode STDERR;	167	binmode STDERR;
132		168
133	# read virtual server time, if available	169	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
138	}	174	}
139		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
140	mkdir $_	178	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		180
143	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
144		182
145	sub cf::map::normalise;	183	sub cf::map::normalise;
146		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
147	#############################################################################	189	#############################################################################
148		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
149	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
150		203
151	=over 4	204	=over 4
152		205
153	=item $cf::UPTIME	206	=item $cf::UPTIME
154		207
155	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
156		224
157	=item $cf::RUNTIME	225	=item $cf::RUNTIME
158		226
159	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
160	every server tick.	228	every server tick.
161		229
162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
165		233
166	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
169	database environment.	237	database environment.
170		238
171	=item $cf::NOW
172
173	The time of the last (current) server tick.
174
175	=item $cf::TICK
176
177	The interval between server ticks, in seconds.
178
179	=item $cf::LOADAVG	239	=item $cf::LOADAVG
180		240
181	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
192	from wherever your confdir points to.	252	from wherever your confdir points to.
193		253
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		255
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
197	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
199		277
200	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
201		279
202	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	282	that call.
205		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
206	=back	290	=back
207		291
208	=cut	292	=cut
209		293
210	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	301	my $msg = join "", @_;
213		302
214	$msg .= "\n"	303	$msg .= "\n"
215	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
216		305
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		307
219	LOG llevError, $msg;	308	LOG llevWarn, $msg;
220	};	309	};
221	}
222		310
223	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
225		313
226	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	318	return;#d#
229	}#d#	319	}#d#
230		320
231	# kill coroutine otherwise	321	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	322	Coro::terminate
234	};	323	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		324
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	342	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	344	}
258		345
259	$EV::DIED = sub {	346	$EV::DIED = sub {
260	warn "error in event callback: @_";	347	warn "error in event callback: $@";
261	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
262		354
263	#############################################################################	355	#############################################################################
264		356
265	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
266		358
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	380	$d
289	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
290	}	382	}
291		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
292	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
293		437
294	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
295		439
296	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		447
304	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
306		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
307	=item cf::lock_wait $string	513	=item cf::lock_wait $string
308		514
309	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
310		516
311	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
312		518
313	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
316	returned.	522	returned.
317		523
318	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	525	deadlocked coro.
…		…
325		531
326	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
327		533
328	=cut	534	=cut
329		535
330	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		537
333	sub lock_wait($) {	538	sub lock_wait($) {
334	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	540	}
347		541
348	sub lock_acquire($) {	542	sub lock_acquire($) {
349	my ($key) = @_;	543	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	544	}
363		545
364	sub lock_active($) {	546	sub lock_active($) {
365	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	548	}
369		549
370	sub freeze_mainloop {	550	sub freeze_mainloop {
371	tick_inhibit_inc;	551	tick_inhibit_inc;
372		552
373	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
374	}	554	}
375		555
376	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
377		557
378	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	559	get spread over time.
380		560
381	=cut	561	=cut
382		562
383	sub periodic($$) {	563	sub periodic($$) {
384	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
389	}	569	}
390		570
391	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
392		572
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
396		580
397	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
399		583
400	Useful for short background jobs.	584	Useful for short background jobs.
401		585
402	=cut	586	=cut
403		587
404	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
406		591
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
410		595
411	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
412		598
413	while () {	599	while () {
414	next_job:	600	next_job:
		601
415	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	603
417	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	608	$job->[2]->send;
421	Coro::cede;	609	Coro::cede;
422	goto next_job;	610	goto next_job;
423	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	613	}
425	}	614	}
426		615
427	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
428	# 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
429	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
430	$signal->wait;
431	} else {	619	} else {
		620	$busy = 0;
432	Coro::schedule;	621	Coro::schedule;
433	}	622	}
434	}	623	}
435	};	624	};
436		625
437	sub get_slot($;$$) {	626	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
439		628
440	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
441		630
442	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
443	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
444		634
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
473	=cut	663	=cut
474		664
475	sub sync_job(&) {	665	sub sync_job(&) {
476	my ($job) = @_;	666	my ($job) = @_;
477		667
478	if ($Coro::current == $Coro::main) {	668	if (in_main) {
479	my $time = EV::time;	669	my $time = AE::time;
480		670
481	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
483		673
484	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
485		675
486	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
487		677
488	my $busy = 1;	678	my $busy = 1;
489	my @res;	679	my @res;
490		680
491	(async {	681	(async {
492	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	683	@res = eval { $job->() };
494	warn $@ if $@;	684	error $@ if $@;
495	undef $busy;	685	undef $busy;
496	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
497		687
498	while ($busy) {	688	while ($busy) {
499	if (Coro::nready) {	689	if (Coro::nready) {
…		…
501	} else {	691	} else {
502	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
503	}	693	}
504	}	694	}
505		695
506	my $time = EV::time - $time;	696	my $time = AE::time - $time;
507		697
508	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
509		699
510	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
511	} else {	701	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
534		724
535	$coro	725	$coro
536	}	726	}
537		727
538	=item fork_call { }, $args	728	=item fork_call { }, @args
539		729
540	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
544		734
545	=cut	735	=cut
546		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
547	sub fork_call(&@) {	741	sub fork_call(&@) {
548	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
549		743
550	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)
553
554	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
555	reset_signals;	745	cf::post_fork;
556	&$cb	746	&$cb
557	}, @args;	747	} @args;
558		748
559	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
560	}	761	}
561		762
562	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
563		764
564	=cut	765	=cut
…		…
601	within each server.	802	within each server.
602		803
603	=cut	804	=cut
604		805
605	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
606	my ($name) = @_;	810	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
608		812
609	eval {	813	eval {
610	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
620	}	824	}
621		825
622	our $DB;	826	our $DB;
623		827
624	sub db_init {	828	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	829	$DB ||= db_table "db";
627	};
628	}	830	}
629		831
630	sub db_get($$) {	832	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
632		834
633	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
634	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
635		839
636	$! ? ()	840	$! ? ()
637	: $data	841	: $data
638	}
639	}	842	}
640		843
641	sub db_put($$$) {	844	sub db_put($$$) {
642	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		874
672	my @data;	875	my @data;
673	my $md5;	876	my $md5;
674		877
675	for (0 .. $#$src) {	878	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	880	}
679		881
680	# if processing is expensive, check	882	# if processing is expensive, check
681	# checksum first	883	# checksum first
682	if (1) {	884	if (1) {
…		…
695		897
696	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
697	}	899	}
698	}	900	}
699		901
700	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
701	my $data = $process->(\@data);	903	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
703		905
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		907
706	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
709		911
…		…
719		921
720	=cut	922	=cut
721		923
722	sub datalog($@) {	924	sub datalog($@) {
723	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	927	}
726		928
727	=back	929	=back
728		930
729	=cut	931	=cut
730		932
731	#############################################################################	933	#############################################################################
732		934
733	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
734		936
735	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
736	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
737	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
738		940
739	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
740	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
790	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
791		993
792	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
794		996
795	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
796	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
797		999
798	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
799		1001
800	=over 4	1002	=over 4
…		…
924		1126
925	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1129
928	} elsif (ref $type) {	1130	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
930		1132
931	} else {	1133	} else {
932	shift @arg;	1134	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
934	}	1136	}
935	}	1137	}
936	}	1138	}
937		1139
938	sub _object_attach {	1140	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
949	}	1151	}
950		1152
951	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
952	} else {	1154	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1156	}
955		1157
956	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
957	}	1159	}
958		1160
…		…
1017		1219
1018	for (@$callbacks) {	1220	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1020		1222
1021	if ($@) {	1223	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1225	override;
1025	}	1226	}
1026		1227
1027	return 1 if $override;	1228	return 1 if $override;
1028	}	1229	}
…		…
1107	for (@$attach) {	1308	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1110	}	1311	}
1111	} else {	1312	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1314	}
1114	}	1315	}
1115	}	1316	}
1116		1317
1117	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1145		1346
1146	sync_job {	1347	sync_job {
1147	if (length $$rdata) {	1348	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1151		1353
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1156	aio_close $fh;	1361	aio_close $fh;
1157		1362
1158	if (@$objs) {	1363	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1164	aio_close $fh;	1372	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1374	}
1167	} else {	1375	} else {
1168	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1169	}	1377	}
1170		1378
1171	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1383	} else {
1173	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1174	}	1385	}
1175	} else {	1386	} else {
1176	aio_unlink $filename;	1387	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1178	}	1389	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1414	$av = $st->{objs};
1204	}	1415	}
1205		1416
1206	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1209		1421
1210	($data, $av)	1422	($data, $av)
1211	}	1423	}
1212		1424
1213	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1217	=cut	1429	=cut
1218		1430
1219	#############################################################################	1431	#############################################################################
1220	# command handling &c	1432	# command handling &c
1221		1433
1222	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1223		1435
1224	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1225	$name.	1437	$name.
1226		1438
1227	=cut	1439	=cut
…		…
1233	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1234		1446
1235	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1236	}	1448	}
1237		1449
1238	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1239		1451
1240	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1241	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1242	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1243	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1244	has logged in successfully.	1456	has logged in successfully.
1245		1457
1246	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1247	called.
1248		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1249	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1250		1466
1251	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1252	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1253	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1254	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1255	log-in.	1471	log-in.
1256		1472
1257	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1258	called.
1259		1474
1260	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1261		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1262	sub register_extcmd {	1482	sub register_extcmd($$) {
1263	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1264		1484
1265	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1266	}	1486	}
1267		1487
1268	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1269	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1270		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1271	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1272	}	1498	}
1273		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1274	cf::player->attach (	1508	cf::player->attach (
1275	on_command => sub {	1509	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1277		1511
1278	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1279	or return;	1513	or return;
1280		1514
…		…
1288	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1289		1523
1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1291		1525
1292	if (ref $msg) {	1526	if (ref $msg) {
1293	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1294	"ARRAY" eq ref $msg
1295	? @$msg
1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1297		1528
1298	my @reply;
1299
1300	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1301	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1302	}	1547	}
1303		1548
1304	$pl->ext_reply ($reply, @reply)
1305	if $reply;
1306
1307	} else {	1549	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1551	}
1310		1552
1311	cf::override;	1553	cf::override;
1312	},	1554	},
1313	);	1555	);
1314		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1315	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1316	cf::sync_job {	1586	cf::sync_job {
1317	my %todo;	1587	my %todo;
1318		1588
1319	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1590	next unless -r $path;
…		…
1338		1608
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1611
1342	$ext{source} =	1612	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1345	. $source	1615	. $source
1346	. "\n};\n1";	1616	. "\n};\n1";
1347		1617
1348	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1349	}	1619	}
1350		1620
		1621	my $pass = 0;
1351	my %done;	1622	my %done;
1352	while (%todo) {	1623	while (%todo) {
1353	my $progress;	1624	my $progress;
1354		1625
		1626	++$pass;
		1627
		1628	ext:
1355	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1631	next ext
1358	unless exists $done{$_};	1632	unless exists $done{$_};
1359	}	1633	}
1360		1634
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1636
1363	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1650
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1652	if exists $v->{meta}{mandatory};
1371		1653
1372	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1373	}	1663	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1664	}
1379		1665
1380	skip:	1666	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1383	}	1676	}
1384	};	1677	};
1385	}	1678	}
1386		1679
1387	#############################################################################	1680	#############################################################################
1388		1681
1389	=back	1682	=back
1390		1683
1391	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1392		1685
1393	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1394		1687
1395	=cut	1688	=cut
1396		1689
1397	package cf::player;	1690	package cf::player;
1398		1691
…		…
1441		1734
1442	sub exists($) {	1735	sub exists($) {
1443	my ($login) = @_;	1736	my ($login) = @_;
1444		1737
1445	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1447	}	1740	}
1448		1741
1449	sub find($) {	1742	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1744	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1472	}	1765	}
1473	}	1766	}
1474	}	1767	}
1475		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1476	sub save($) {	1782	sub save($) {
1477	my ($pl) = @_;	1783	my ($pl) = @_;
1478		1784
1479	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1480		1786
…		…
1485		1791
1486	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1488		1794
1489	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1799
1491	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1801	cf::cede_to_tick;
1493	}	1802	}
1494		1803
…		…
1528	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1529		1838
1530	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1841
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1843	$pl->deactivate;
		1844
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1538	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1539		1850
1540	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1596	\@logins	1907	\@logins
1597	}	1908	}
1598		1909
1599	=item $player->maps	1910	=item $player->maps
1600		1911
		1912	=item cf::player::maps $login
		1913
1601	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1602	player. May block.	1915	player. May block.
1603		1916
1604	=cut	1917	=cut
1605		1918
…		…
1622	}	1935	}
1623		1936
1624	\@paths	1937	\@paths
1625	}	1938	}
1626		1939
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1941
1629	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1630
1631	=item $player->ext_reply ($msgid, @msg)
1632
1633	Sends an ext reply to the player.
1634
1635	=cut
1636
1637	sub ext_reply($$@) {
1638	my ($self, $id, @msg) = @_;
1639
1640	$self->ns->ext_reply ($id, @msg)
1641	}
1642		1943
1643	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1644		1945
1645	Sends an ext event to the client.	1946	Sends an ext event to the client.
1646		1947
…		…
1666		1967
1667	=cut	1968	=cut
1668		1969
1669	sub find_by_path($) {	1970	sub find_by_path($) {
1670	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1671		1974
1672	my ($match, $specificity);	1975	my ($match, $specificity);
1673		1976
1674	for my $region (list) {	1977	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1704	sub generate_random_map {	2007	sub generate_random_map {
1705	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1706		2009
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		2011
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1718	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1719	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1720	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1721	(cf::region::find $rmp->{region}), $rmp->{custom}
1722	)
1723	}	2013	}
1724		2014
1725	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1726		2016
1727	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1732		2022
1733	sub register {	2023	sub register {
1734	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	2025	my $pkg = caller;
1736		2026
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		2028
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	2030	}
1742		2031
1743	# also paths starting with '/'	2032	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		2034
1746	sub thawer_merge {	2035	sub thawer_merge {
1747	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1748		2037
1749	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1754	}	2043	}
1755		2044
1756	sub normalise {	2045	sub normalise {
1757	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1758		2047
1759	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1760		2049
1761	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1762		2051
1763	# map plan:	2052	# map plan:
1764	#	2053	#
…		…
1779	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	2069	$path = "$base/$path";
1781	}	2070	}
1782		2071
1783	for ($path) {	2072	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1787	}	2075	}
1788		2076
1789	$path	2077	$path
…		…
1803	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1804	return $self;	2092	return $self;
1805	}	2093	}
1806	}	2094	}
1807		2095
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	2097	()
1810	}	2098	}
1811		2099
		2100	# may re-bless or do other evil things
1812	sub init {	2101	sub init {
1813	my ($self) = @_;	2102	my ($self) = @_;
1814		2103
1815	$self	2104	$self
1816	}	2105	}
…		…
1847		2136
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1850	}	2139	}
1851		2140
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	2141	sub decay_objects {
1862	my ($self) = @_;	2142	my ($self) = @_;
1863		2143
1864	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1865		2145
…		…
1890	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1891		2171
1892	1	2172	1
1893	}	2173	}
1894		2174
		2175	# used to laod the header of an original map
1895	sub load_header_orig {	2176	sub load_header_orig {
1896	my ($self) = @_;	2177	my ($self) = @_;
1897		2178
1898	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1899	}	2180	}
1900		2181
		2182	# used to laod the header of an instantiated map
1901	sub load_header_temp {	2183	sub load_header_temp {
1902	my ($self) = @_;	2184	my ($self) = @_;
1903		2185
1904	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1905	}	2187	}
1906		2188
		2189	# called after loading the header from an instantiated map
1907	sub prepare_temp {	2190	sub prepare_temp {
1908	my ($self) = @_;	2191	my ($self) = @_;
1909		2192
1910	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1911	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1912	# safety	2195	# safety
1913	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1914	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1915	}	2198	}
1916		2199
		2200	# called after loading the header from an original map
1917	sub prepare_orig {	2201	sub prepare_orig {
1918	my ($self) = @_;	2202	my ($self) = @_;
1919		2203
1920	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1921	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1945		2229
1946	sub find;	2230	sub find;
1947	sub find {	2231	sub find {
1948	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1949		2233
		2234	cf::cede_to_tick;
		2235
1950	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1951		2237
1952	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2240
1955	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1960	or return;	2243	or return;
1961		2244
1962	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1963		2246
…		…
1975		2258
1976	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1977	}	2260	}
1978	}	2261	}
1979		2262
1980	sub pre_load { }	2263	sub pre_load { }
1981	sub post_load { }	2264	#sub post_load { } # XS
1982		2265
1983	sub load {	2266	sub load {
1984	my ($self) = @_;	2267	my ($self) = @_;
1985		2268
1986	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1989		2272
1990	{	2273	{
1991	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1992		2275
1993	return unless $self->valid;	2276	return unless $self->valid;
1994	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1995
1996	$self->in_memory (cf::MAP_LOADING);
1997		2278
1998	$self->alloc;	2279	$self->alloc;
1999		2280
2000	$self->pre_load;	2281	$self->pre_load;
2001	cf::cede_to_tick;	2282	cf::cede_to_tick;
2002		2283
		2284	if (exists $self->{load_path}) {
2003	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2004	$f->skip_block;	2286	$f->skip_block;
2005	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2006	or return;	2288	or return;
2007		2289
2008	$self->post_load_original	2290	$self->post_load_original
2009	if delete $self->{load_original};	2291	if delete $self->{load_original};
2010		2292
2011	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2012	utf8::encode $uniq;	2294	utf8::encode $uniq;
2013	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2014	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2015	$self->clear_unique_items;	2297	$self->clear_unique_items;
2016	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2017	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2018	}	2301	}
2019	}	2302	}
2020	}
2021		2303
2022	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2023		2311
2024	cf::cede_to_tick;	2312	cf::cede_to_tick;
2025	# now do the right thing for maps	2313	# now do the right thing for maps
2026	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2027	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2031	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2320	$self->decay_objects;
2033	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2034	$self->update_buttons;	2322	$self->update_buttons;
2035	cf::cede_to_tick;	2323	cf::cede_to_tick;
2036	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2037	cf::cede_to_tick;
2038	$self->activate;
2039	}	2325	}
2040		2326
2041	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2043
2044	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2329	}
2046		2330
2047	$self->post_load;	2331	$self->post_load;
2048	}
2049		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2339	sub customise_for {
2051	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2052		2341
2053	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2343	if $self->per_player;
…		…
2057	# if $self->per_party;	2346	# if $self->per_party;
2058		2347
2059	$self	2348	$self
2060	}	2349	}
2061		2350
2062	# find and load all maps in the 3x3 area around a map
2063	sub load_neighbours {
2064	my ($map) = @_;
2065
2066	my @neigh; # diagonal neighbours
2067
2068	for (0 .. 3) {
2069	my $neigh = $map->tile_path ($_)
2070	or next;
2071	$neigh = find $neigh, $map
2072	or next;
2073	$neigh->load;
2074
2075	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}
2079
2080	for (grep defined $_->[0], @neigh) {
2081	my ($path, $origin) = @$_;
2082	my $neigh = find $path, $origin
2083	or next;
2084	$neigh->load;
2085	}
2086	}
2087
2088	sub find_sync {	2351	sub find_sync {
2089	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2090		2353
2091	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2092	}	2359	}
2093		2360
2094	sub do_load_sync {	2361	sub do_load_sync {
2095	my ($map) = @_;	2362	my ($map) = @_;
2096		2363
		2364	# it's a bug to call this from the main context
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2099		2367
2100	cf::sync_job { $map->load };	2368	$map->load;
2101	}	2369	}
2102		2370
2103	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2105		2373
2106	sub find_async {	2374	sub find_async {
2107	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2108		2376
2109	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2110		2378
2111	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2113	}	2381	}
2114		2382
2115	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2116		2384
2117	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2131	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2132		2400
2133	()	2401	()
2134	}	2402	}
2135		2403
		2404	# common code, used by both ->save and ->swapout
2136	sub save {	2405	sub _save {
2137	my ($self) = @_;	2406	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2407
2141	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2142		2409
2143	return unless $self->dirty;	2410	return unless $self->dirty;
2144		2411
…		…
2164	} else {	2431	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2433	}
2167	}	2434	}
2168		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2169	sub swap_out {	2444	sub swap_out {
2170	my ($self) = @_;	2445	my ($self) = @_;
2171		2446
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2177	return if $self->players;	2451	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2179	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2180		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2181	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2182		2503
2183	$self->deactivate;	2504	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2506	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($self) = @_;
2190
2191	# TODO: safety, remove and allow resettable per-player maps
2192	return 1e99 if $self->{deny_reset};
2193
2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2196
2197	$time + $to
2198	}
2199
2200	sub should_reset {
2201	my ($self) = @_;
2202
2203	$self->reset_at <= $cf::RUNTIME
2204	}
2205
2206	sub reset {
2207	my ($self) = @_;
2208
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210
2211	return if $self->players;
2212
2213	warn "resetting map ", $self->path;
2214
2215	$self->in_memory (cf::MAP_SWAPPED);
2216
2217	# need to save uniques path
2218	unless ($self->{deny_save}) {
2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
2220
2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2222	if $uniq;
2223	}
2224
2225	delete $cf::MAP{$self->path};
2226
2227	$self->deactivate;
2228	$_->clear_links_to ($self) for values %cf::MAP;
2229	$self->clear;
2230		2507
2231	$self->unlink_save;	2508	$self->unlink_save;
2232	$self->destroy;	2509	$self->destroy;
2233	}	2510	}
2234		2511
…		…
2242		2519
2243	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2244		2521
2245	$self->unlink_save;	2522	$self->unlink_save;
2246		2523
2247	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2529
…		…
2309	: normalise $_	2586	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2588	]
2312	}	2589	}
2313		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2314	=back	2623	=back
2315		2624
2316	=head3 cf::object	2625	=head3 cf::object
2317		2626
2318	=cut	2627	=cut
…		…
2341		2650
2342	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2343		2652
2344	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2345		2654
2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2347	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2348		2657
2349	=cut	2658	=cut
2350		2659
2351	sub deref {	2660	sub deref {
…		…
2383		2692
2384	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2385	id => "say",	2694	id => "say",
2386	title => "Map",	2695	title => "Map",
2387	reply => "say ",	2696	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2698	};
2390		2699
2391	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2392	id => "chat",	2701	id => "chat",
2393	title => "Chat",	2702	title => "Chat",
…		…
2448		2757
2449	=item $player_object->enter_link	2758	=item $player_object->enter_link
2450		2759
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2761
2453	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2454	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2455		2766
2456	Will never block.	2767	Will never block.
2457		2768
2458	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2459		2770
…		…
2479	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2480	my ($self) = @_;	2791	my ($self) = @_;
2481		2792
2482	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2483		2794
		2795	++$self->{_link_recursion};
		2796
2484	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2485		2798
2486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2487	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2488		2801
2489	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2490	}	2803	}
2491		2804
2492	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2493	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2494		2807
…		…
2511	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2512	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2513		2826
2514	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2515	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2516	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2517		2830
2518	$map->load;	2831	$map->load;
2519	$map->load_neighbours;
2520		2832
2521	return unless $self->contr->active;	2833	return unless $self->contr->active;
2522	$self->activate_recursive;
2523		2834
2524	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2525	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2526	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2527		2842
		2843	}
		2844
2528	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2529		2846
2530	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2531	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2532	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2533	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
…		…
2540		2857
2541	our $GOTOGEN;	2858	our $GOTOGEN;
2542		2859
2543	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2544	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2545		2868
2546	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2871
2549	$self->enter_link;	2872	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2570	}	2893	}
2571	}	2894	}
2572		2895
2573	my $map = eval {	2896	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2898
2576	if ($map) {	2899	if ($map) {
2577	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2902	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2904	}
2582		2905
2583	$map	2906	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2594	}	2917	}
2595		2918
2596	$done->() if $done;	2919	$done->($self) if $done;
2597	})->prio (1);	2920	})->prio (1);
2598	}	2921	}
2599		2922
2600	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2601		2924
…		…
2669	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2670		2993
2671	unless (eval {	2994	unless (eval {
2672	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2673		2996
2674	# random map handling
2675	{
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	prepare_random_map $exit
2679	if $exit->slaying eq "/!";
2680	}
2681
2682	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2683	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2684	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2685		3023
2686	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2687		3025
2688	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2689	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2690	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2691		3029
2692	1	3030	1
2693	}) {	3031	}) {
2694	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2695	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2696	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2697	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2698		3036
2699	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2700	$self->leave_link;	3038	$self->leave_link;
2701	}	3039	}
2702	})->prio (1);	3040	})->prio (1);
2703	}	3041	}
2704		3042
2705	=head3 cf::client	3043	=head3 cf::client
2706		3044
2707	=over 4	3045	=over 4
2708		3046
2709	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2710		3048
2711	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2712	should not be used under normal circumstances.	3050	them as required.
2713		3051
2714	=cut	3052	=cut
2715		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2716	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2717	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2718		3058
2719	utf8::encode $text;	3059	# try lzf for large packets
2720	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2721	}	3070	}
2722		3071
2723	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2724		3073
2725	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2726	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2727	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2728	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2729		3078
2730	=cut	3079	=cut
2731		3080
2732	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2733	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2734	"c/identify" => {	3089	"c/identify" => {
2735	id => "infobox",	3090	id => "infobox",
2736	title => "Identify",	3091	title => "Identify",
2737	reply => undef,	3092	reply => undef,
2738	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2740	"c/examine" => {	3095	"c/examine" => {
2741	id => "infobox",	3096	id => "infobox",
2742	title => "Examine",	3097	title => "Examine",
2743	reply => undef,	3098	reply => undef,
2744	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2745	},	3106	},
2746	"c/book" => {	3107	"c/book" => {
2747	id => "infobox",	3108	id => "infobox",
2748	title => "Book",	3109	title => "Book",
2749	reply => undef,	3110	reply => undef,
…		…
2765	id => "infobox",	3126	id => "infobox",
2766	title => "Body Parts",	3127	title => "Body Parts",
2767	reply => undef,	3128	reply => undef,
2768	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2769	},	3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
2770	"c/uptime" => {	3167	"c/uptime" => {
2771	id => "infobox",	3168	id => "infobox",
2772	title => "Uptime",	3169	title => "Uptime",
2773	reply => undef,	3170	reply => undef,
2774	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2783	id => "party",	3180	id => "party",
2784	title => "Party",	3181	title => "Party",
2785	reply => "gsay ",	3182	reply => "gsay ",
2786	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2787	},	3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2788	);	3199	);
2789		3200
2790	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2791	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2792		3203
2793	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2794		3206
2795	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2796		3208
2797	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2798	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2799	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2800		3212
2801	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2802	if $self->can_msg;
2803
2804	$channel = $channel->{id};	3214	$channel = $channel->{id};
2805		3215
2806	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2807	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2808	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2809	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2810	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2811	if $self->can_msg;
2812	}	3221	}
2813		3222
2814	$channel = $channel->{id};	3223	$channel = $channel->{id};
2815	}	3224	}
2816		3225
2817	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2818		3227
2819	if ($self->can_msg) {
2820	# default colour, mask it out	3228	# default colour, mask it out
2821	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2822	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2823		3231
2824	my $pkt = "msg "	3232	my $pkt = "msg "
2825	. $self->{json_coder}->encode (	3233	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	);	3235	);
2828		3236
2829	# try lzf for large packets
2830	$pkt = "lzf " . Compress::LZF::compress $pkt
2831	if 1024 <= length $pkt and $self->{can_lzf};
2832
2833	# split very large packets
2834	if (8192 < length $pkt and $self->{can_lzf}) {
2835	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2836	$pkt = "frag";
2837	}
2838
2839	$self->send_packet ($pkt);	3237	$self->send_big_packet ($pkt);
2840	} else {
2841	if ($color >= 0) {
2842	# replace some tags by gcfclient-compatible ones
2843	for ($msg) {
2844	1 while
2845	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2846	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2847	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2848	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2849	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2850	}
2851
2852	$color &= cf::NDI_COLOR_MASK;
2853
2854	utf8::encode $msg;
2855
2856	if (0 && $msg =~ /\[/) {
2857	# COMMAND/INFO
2858	$self->send_packet ("drawextinfo $color 10 8 $msg")
2859	} else {
2860	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2861	$self->send_packet ("drawinfo $color $msg")
2862	}
2863	}
2864	}
2865	}	3238	}
2866		3239
2867	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2868		3241
2869	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2871	=cut	3244	=cut
2872		3245
2873	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2874	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2875		3248
2876	if ($self->extcmd == 2) {
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2878	} elsif ($self->extcmd == 1) { # TODO: remove
2879	push @msg, msgtype => "event_$type";
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2881	}
2882	}
2883
2884	=item $client->ext_reply ($msgid, @msg)
2885
2886	Sends an ext reply to the client.
2887
2888	=cut
2889
2890	sub cf::client::ext_reply($$@) {
2891	my ($self, $id, @msg) = @_;
2892
2893	if ($self->extcmd == 2) {
2894	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2895	} elsif ($self->extcmd == 1) {
2896	#TODO: version 1, remove
2897	unshift @msg, msgtype => "reply", msgid => $id;
2898	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2899	}
2900	}	3250	}
2901		3251
2902	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2903		3253
2904	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2924		3274
2925	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2926	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2927		3277
2928	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2929	}	3317	}
2930		3318
2931	cf::client->attach (	3319	cf::client->attach (
2932	on_connect => sub {	3320	on_connect => sub {
2933	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2959	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2960		3348
2961	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2962		3350
2963	if (ref $msg) {	3351	if (ref $msg) {
2964	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2965	"ARRAY" eq ref $msg
2966	? @$msg
2967	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2968		3353
2969	my @reply;
2970
2971	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
2972	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2973	}	3372	}
2974
2975	$ns->ext_reply ($reply, @reply)
2976	if $reply;
2977
2978	} else {	3373	} else {
2979	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2980	}	3375	}
2981		3376
2982	cf::override;	3377	cf::override;
2983	},	3378	},
2984	);	3379	);
…		…
3004		3399
3005	$coro	3400	$coro
3006	}	3401	}
3007		3402
3008	cf::client->attach (	3403	cf::client->attach (
3009	on_destroy => sub {	3404	on_client_destroy => sub {
3010	my ($ns) = @_;	3405	my ($ns) = @_;
3011		3406
3012	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3013	},	3408	},
3014	);	3409	);
…		…
3030	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
3031		3426
3032	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
3033		3428
3034	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
3035	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
3036	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
3037	sort time	3432	sort time
3038	));	3433	));
3039		3434
3040	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
3044	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
3045		3440
3046	cf::object	3441	cf::object
3047	contr pay_amount pay_player map x y force_find force_add destroy	3442	contr pay_amount pay_player map x y force_find force_add destroy
3048	insert remove name archname title slaying race decrease split	3443	insert remove name archname title slaying race decrease split
		3444	value
3049		3445
3050	cf::object::player	3446	cf::object::player
3051	player	3447	player
3052		3448
3053	cf::player	3449	cf::player
…		…
3059	=cut	3455	=cut
3060		3456
3061	for (	3457	for (
3062	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3063	insert remove inv nrof name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
3064	decrease split destroy change_exp)],	3460	decrease split destroy change_exp value msg lore send_msg)],
3065	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
3066	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
3067	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
3068	) {	3464	) {
3069	no strict 'refs';
3070	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
3071	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3072	for @funs;	3467	for @funs;
3073	}	3468	}
3074		3469
…		…
3089		3484
3090	my $qcode = $code;	3485	my $qcode = $code;
3091	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3092	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
3093		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
3094	local $_;	3492	local $_;
3095	local @safe::cf::_safe_eval_args = values %vars;
3096		3493
3097	my $eval =	3494	my $eval =
3098	"do {\n"	3495	"do {\n"
3099	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3100	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
3101	. $code	3498	. $code
3102	. "\n}"	3499	. "\n}"
3103	;	3500	;
3104		3501
		3502	if ($CFG{safe_eval}) {
3105	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
3106	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3107	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
3108		3511
3109	if ($@) {	3512	if ($@) {
3110	warn "$@";	3513	warn "$@",
3111	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
3112	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
3113	}	3516	}
3114		3517
3115	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
3116	}	3519	}
3117		3520
…		…
3131	=cut	3534	=cut
3132		3535
3133	sub register_script_function {	3536	sub register_script_function {
3134	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
3135		3538
3136	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
3137	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
3138	}	3541	}
3139		3542
3140	=back	3543	=back
3141		3544
3142	=cut	3545	=cut
3143		3546
3144	#############################################################################	3547	#############################################################################
3145	# the server's init and main functions	3548	# the server's init and main functions
3146		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
3147	sub load_facedata($) {	3627	sub load_facedata($) {
3148	my ($path) = @_;	3628	my ($path) = @_;
3149		3629
3150	# HACK to clear player env face cache, we need some signal framework
3151	# for this (global event?)
3152	%ext::player_env::MUSIC_FACE_CACHE = ();
3153
3154	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3155		3631
3156	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
3157		3633
3158	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
3159	0 < aio_load $path, $facedata
3160	or die "$path: $!";
3161
3162	$facedata = Coro::Storable::thaw $facedata;
3163		3635
3164	$facedata->{version} == 2	3636	$facedata->{version} == 2
3165	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3166		3638
3167	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3168	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3169	type => FT_RSRC,	3641
3170	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3171	};	3643
3172	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
3173		3647
3174	{	3648	{
3175	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
3176		3650
3177	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
3178	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3179		3654
3180	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
3181	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
3182	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3183	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3184		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3185	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
3186	}	3662	}
3187		3663
3188	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
3189	next unless $info->{smooth};	3665	next unless $info->{smooth};
3190		3666
…		…
3193		3669
3194	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
3195	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
3196	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3197	} else {	3673	} else {
3198	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
3199	}	3675	}
3200
3201	cf::cede_to_tick;
3202	}	3676	}
3203	}	3677	}
3204		3678
3205	{	3679	{
3206	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
3207		3681
3208	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
3209	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
3210	cf::cede_to_tick;
3211	}	3684	}
3212		3685
3213	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
3214	}	3687	}
3215		3688
3216	{	3689	{
3217	# TODO: for gcfclient pleasure, we should give resources
3218	# that gcfclient doesn't grok a >10000 face index.
3219	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
3220		3691
3221	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
3222	if (defined $info->{type}) {	3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
3223	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3224	my $data;
3225		3696
3226	if ($info->{type} & 1) {
3227	# prepend meta info
3228
3229	my $meta = $enc->encode ({
3230	name => $name,
3231	%{ $info->{meta} || {} },
3232	});
3233
3234	$data = pack "(w/a*)*", $meta, $info->{data};
3235	} else {
3236	$data = $info->{data};
3237	}
3238
3239	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3240	cf::face::set_type $idx, $info->{type};	3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
3241	} else {	3703	} else {
3242	$RESOURCE{$name} = $info;	3704	# $RESOURCE{$name} = $info; # unused
3243	}	3705	}
3244
3245	cf::cede_to_tick;
3246	}	3706	}
3247	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
3248		3718
3249	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3250		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
3251	1	3723	1
3252	}	3724	}
3253
3254	cf::global->attach (on_resource_update => sub {
3255	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3256	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3257
3258	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3259	my $sound = $soundconf->{compat}[$_]
3260	or next;
3261
3262	my $face = cf::face::find "sound/$sound->[1]";
3263	cf::sound::set $sound->[0] => $face;
3264	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3265	}
3266
3267	while (my ($k, $v) = each %{$soundconf->{event}}) {
3268	my $face = cf::face::find "sound/$v";
3269	cf::sound::set $k => $face;
3270	}
3271	}
3272	});
3273		3725
3274	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
3275	my ($ns, $want) = @_;	3727	my ($ns, $want) = @_;
3276		3728
3277	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
…		…
3285	my $status = load_resource_file_ $_[0];	3737	my $status = load_resource_file_ $_[0];
3286	get_slot 0.1, 100;	3738	get_slot 0.1, 100;
3287	cf::arch::commit_load;	3739	cf::arch::commit_load;
3288		3740
3289	$status	3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
3290	}	3756	}
3291		3757
3292	sub reload_regions {	3758	sub reload_regions {
3293	# HACK to clear player env face cache, we need some signal framework	3759	# HACK to clear player env face cache, we need some signal framework
3294	# for this (global event?)	3760	# for this (global event?)
…		…
3302	if exists $_->{match};	3768	if exists $_->{match};
3303	}	3769	}
3304	}	3770	}
3305		3771
3306	sub reload_facedata {	3772	sub reload_facedata {
3307	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
3308	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
3309	}	3775	}
3310		3776
3311	sub reload_archetypes {	3777	sub reload_archetypes {
3312	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
3313	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
3314	}	3806	}
3315		3807
3316	sub reload_treasures {	3808	sub reload_treasures {
3317	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
3318	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
3319	}	3811	}
3320		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
3321	sub reload_resources {	3833	sub reload_resources {
3322	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
3323		3835
		3836	reload_materials;
3324	reload_facedata;	3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
3325	reload_archetypes;	3840	reload_archetypes;
3326	reload_regions;	3841	reload_regions;
3327	reload_treasures;	3842	reload_treasures;
3328		3843
3329	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
3330	}
3331
3332	sub init {
3333	my $guard = freeze_mainloop;
3334
3335	evthread_start IO::AIO::poll_fileno;
3336
3337	reload_resources;
3338	}	3845	}
3339		3846
3340	sub reload_config {	3847	sub reload_config {
3341	open my $fh, "<:utf8", "$CONFDIR/config"	3848	trace "reloading config file...\n";
3342	or return;
3343		3849
3344	local $/;	3850	my $config = load_file "$CONFDIR/config";
3345	*CFG = YAML::Load <$fh>;	3851	utf8::decode $config;
		3852	*CFG = decode_yaml $config;
3346		3853
3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3348		3855
3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3351		3858
3352	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
3375		3882
3376	seek $fh, 0, 0;	3883	seek $fh, 0, 0;
3377	print $fh $$;	3884	print $fh $$;
3378	}	3885	}
3379		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
3380	sub main {	3896	sub main {
3381	atomic;	3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3382		3905
3383	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
3384	local $Coro::idle = sub {	3907	$Coro::idle = sub {
3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3386	(async {	3909	(async {
3387	$Coro::current->{desc} = "IDLE BUG HANDLER";	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
3388	EV::loop EV::LOOP_ONESHOT;	3911	EV::loop EV::LOOP_ONESHOT;
3389	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
3390	};	3913	};
3391		3914
3392	{	3915	evthread_start IO::AIO::poll_fileno;
3393	my $guard = freeze_mainloop;	3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
		3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
3394	reload_config;	3929	reload_config;
3395	db_init;	3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
3396	load_extensions;	3939	load_extensions;
3397		3940
3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3399	}
3400
3401	utime time, time, $RUNTIMEFILE;	3941	utime time, time, $RUNTIMEFILE;
3402		3942
3403	# no (long-running) fork's whatsoever before this point(!)	3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
3404	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3405		3946
3406	EV::loop;	3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
3407	}	3958	}
3408		3959
3409	#############################################################################	3960	#############################################################################
3410	# initialisation and cleanup	3961	# initialisation and cleanup
3411		3962
3412	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
3413	BEGIN {	3964	BEGIN {
3414	our %SIGWATCHER = ();	3965	our %SIGWATCHER = ();
3415	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
3416	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3417	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
3418	};	3969	};
3419	}	3970	}
3420	}	3971	}
3421		3972
3422	sub write_runtime_sync {	3973	sub write_runtime_sync {
		3974	my $t0 = AE::time;
		3975
3423	# first touch the runtime file to show we are still running:	3976	# first touch the runtime file to show we are still running:
3424	# the fsync below can take a very very long time.	3977	# the fsync below can take a very very long time.
3425		3978
3426	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3427		3980
3428	my $guard = cf::lock_acquire "write_runtime";	3981	my $guard = cf::lock_acquire "write_runtime";
3429		3982
3430	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3431	or return;	3984	or return;
3432		3985
3433	my $value = $cf::RUNTIME + 90 + 10;	3986	my $value = $cf::RUNTIME + 90 + 10;
3434	# 10 is the runtime save interval, for a monotonic clock	3987	# 10 is the runtime save interval, for a monotonic clock
3435	# 60 allows for the watchdog to kill the server.	3988	# 60 allows for the watchdog to kill the server.
…		…
3448	or return;	4001	or return;
3449		4002
3450	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3451	and return;	4004	and return;
3452		4005
3453	warn "runtime file written.\n";	4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3454		4007
3455	1	4008	1
3456	}	4009	}
3457		4010
3458	our $uuid_lock;	4011	our $uuid_lock;
…		…
3467	my $uuid = "$LOCALDIR/uuid";	4020	my $uuid = "$LOCALDIR/uuid";
3468		4021
3469	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3470	or return;	4023	or return;
3471		4024
3472	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
3473	$uuid_skip = 0;	4033	$uuid_skip = 0;
3474		4034
3475	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3476	and return;	4036	and return;
3477		4037
…		…
3483	or return;	4043	or return;
3484		4044
3485	aio_rename "$uuid~", $uuid	4045	aio_rename "$uuid~", $uuid
3486	and return;	4046	and return;
3487		4047
3488	warn "uuid file written ($value).\n";	4048	trace "uuid file written ($value).\n";
3489		4049
3490	1	4050	1
3491		4051
3492	}	4052	}
3493		4053
…		…
3499	}	4059	}
3500		4060
3501	sub emergency_save() {	4061	sub emergency_save() {
3502	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
3503		4063
3504	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
3505		4070
3506	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
3507	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
3508	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
3509	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
3510	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
3511	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
3512	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
3513	$pl->valid or next;	4080	$pl->valid or next;
3514	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3515	$pl->save;	4082	$pl->save;
3516	}	4083	}
3517	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
3518		4085
3519	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
3520	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
3521	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
3522	$map->valid or next;	4091	$map->valid or next;
3523	$map->save;	4092	$map->save;
3524	}	4093	}
3525	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
3526		4095
3527	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
3528	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
3529	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
3530		4101
3531	warn "begin write uuid\n";	4102	info "emergency_perl_save: begin write uuid\n";
3532	write_uuid_sync 1;	4103	write_uuid_sync 1;
3533	warn "end write uuid\n";	4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
3534	};	4124	};
3535		4125
3536	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
3537	}	4127	}
3538		4128
3539	sub post_cleanup {	4129	sub post_cleanup {
3540	my ($make_core) = @_;	4130	my ($make_core) = @_;
3541		4131
		4132	IO::AIO::flush;
		4133
3542	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
3543	if $make_core;	4135	if $make_core;
3544		4136
3545	my $fh = pidfile;	4137	my $fh = pidfile;
3546	unlink $PIDFILE if <$fh> == $$;	4138	unlink $PIDFILE if <$fh> == $$;
3547	}	4139	}
…		…
3567	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3568	for my $name (keys %$leaf_symtab) {	4160	for my $name (keys %$leaf_symtab) {
3569	_gv_clear *{"$pkg$name"};	4161	_gv_clear *{"$pkg$name"};
3570	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3571	}	4163	}
3572	warn "cleared package #$pkg\n";#d#
3573	}	4164	}
3574
3575	our $RELOAD; # how many times to reload
3576		4165
3577	sub do_reload_perl() {	4166	sub do_reload_perl() {
3578	# can/must only be called in main	4167	# can/must only be called in main
3579	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
3580	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
3581	return;	4170	return;
3582	}	4171	}
3583		4172
3584	return if $RELOAD++;	4173	return if $RELOAD++;
3585		4174
		4175	my $t1 = AE::time;
		4176
3586	while ($RELOAD) {	4177	while ($RELOAD) {
3587	warn "reloading...";	4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
3588		4180
3589	warn "entering sync_job";	4181	trace "perl_reload: entering sync_job";
3590		4182
3591	cf::sync_job {	4183	cf::sync_job {
3592	cf::write_runtime_sync; # external watchdog should not bark
3593	cf::emergency_save;	4184	#cf::emergency_save;
3594	cf::write_runtime_sync; # external watchdog should not bark
3595		4185
3596	warn "syncing database to disk";
3597	BDB::db_env_txn_checkpoint $DB_ENV;
3598
3599	# if anything goes wrong in here, we should simply crash as we already saved
3600
3601	warn "flushing outstanding aio requests";
3602	while (IO::AIO::nreqs || BDB::nreqs) {
3603	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3604	}
3605
3606	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
3607	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
3608	%EXT_CORO = ();	4188	%EXT_CORO = ();
3609		4189
3610	warn "removing commands";	4190	trace "perl_reload: removing commands";
3611	%COMMAND = ();	4191	%COMMAND = ();
3612		4192
3613	warn "removing ext/exti commands";	4193	trace "perl_reload: removing ext/exti commands";
3614	%EXTCMD = ();	4194	%EXTCMD = ();
3615	%EXTICMD = ();	4195	%EXTICMD = ();
3616		4196
3617	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
3618	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
3619	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
3620		4200
3621	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
3622	eval {	4202	eval {
3623	$cb->($pkg);	4203	$cb->($pkg);
3624	1	4204	1
3625	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
3626	}	4206	}
3627		4207
3628	warn "... clearing $pkg";	4208	trace "... clearing $pkg";
3629	clear_package $pkg;	4209	clear_package $pkg;
3630	}	4210	}
3631		4211
3632	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3633	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
3634	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3635		4215
3636	warn "... unloading $k";	4216	trace "... unloading $k";
3637	delete $INC{$k};	4217	delete $INC{$k};
3638		4218
3639	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
3640	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
3641		4221
…		…
3644	}	4224	}
3645		4225
3646	clear_package $k;	4226	clear_package $k;
3647	}	4227	}
3648		4228
3649	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
3650	clear_package "safe::$_"	4230	clear_package "safe::$_"
3651	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3652		4232
3653	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
3654	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
3655	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3656		4236
3657	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
3658	# and global variables created in xs	4238	# and global variables created in xs
3659	#clear_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
3660		4240
3661	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
3662		4242
3663	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
3664	require cf;	4244	require cf;
3665	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
3666		4246
3667	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
3668	cf::reload_config;	4248	cf::reload_config;
3669		4249
3670	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
3671	cf::load_extensions;	4251	cf::load_extensions;
3672		4252
		4253	if ($REATTACH_ON_RELOAD) {
3673	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
3674	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
3675	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
3676	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
3677	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
3678	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
3679		4261
3680	warn "leaving sync_job";	4262	cf::_post_init 1;
		4263
		4264	trace "perl_reload: leaving sync_job";
3681		4265
3682	1	4266	1
3683	} or do {	4267	} or do {
3684	warn $@;	4268	error $@;
3685	cf::cleanup "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
3686	};	4270	};
3687		4271
3688	warn "reloaded";
3689	--$RELOAD;	4272	--$RELOAD;
3690	}	4273	}
		4274
		4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
3691	};	4277	};
3692		4278
3693	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
3694		4280
3695	sub reload_perl() {	4281	sub reload_perl() {
3696	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
3697	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
3698		4284
		4285	$RELOAD_WATCHER ||= cf::async {
		4286	Coro::AIO::aio_wait cache_extensions;
		4287
3699	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3700	do_reload_perl;	4289	do_reload_perl;
3701	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
		4291	};
3702	};	4292	};
3703	}	4293	}
3704		4294
3705	register_command "reload" => sub {	4295	register_command "reload" => sub {
3706	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
…		…
3712	reload_perl;	4302	reload_perl;
3713	};	4303	};
3714	}	4304	}
3715	};	4305	};
3716		4306
3717	unshift @INC, $LIBDIR;	4307	#############################################################################
3718		4308
3719	my $bug_warning = 0;	4309	my $bug_warning = 0;
3720		4310
3721	our @WAIT_FOR_TICK;
3722	our @WAIT_FOR_TICK_BEGIN;
3723
3724	sub wait_for_tick {	4311	sub wait_for_tick() {
3725	return if tick_inhibit || $Coro::current == $Coro::main;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3726		4313
3727	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
3728	push @WAIT_FOR_TICK, $signal;
3729	$signal->wait;
3730	}	4315	}
3731		4316
3732	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3734		4319
3735	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
3736	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
3737	$signal->wait;	4322	$signal->wait;
3738	}	4323	}
…		…
3742	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3743	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
3744	return;	4329	return;
3745	}	4330	}
3746		4331
3747	cf::server_tick; # one server iteration	4332	cf::one_tick; # one server iteration
		4333
		4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3748		4335
3749	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3750	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3751	Coro::async_pool {	4338	Coro::async_pool {
3752	$Coro::current->{desc} = "runtime saver";	4339	$Coro::current->{desc} = "runtime saver";
3753	write_runtime_sync	4340	write_runtime_sync
3754	or warn "ERROR: unable to write runtime file: $!";	4341	or error "ERROR: unable to write runtime file: $!";
3755	};	4342	};
3756	}	4343	}
3757		4344
3758	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3759	$sig->send;	4346	$sig->send;
3760	}	4347	}
3761	while (my $sig = shift @WAIT_FOR_TICK) {	4348	$WAIT_FOR_TICK->broadcast;
3762	$sig->send;
3763	}
3764		4349
3765	$LOAD = ($NOW - $TICK_START) / $TICK;	4350	$LOAD = ($NOW - $TICK_START) / $TICK;
3766	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3767		4352
3768	if (0) {	4353	if (0) {
3769	if ($NEXT_TICK) {	4354	if ($NEXT_TICK) {
3770	my $jitter = $TICK_START - $NEXT_TICK;	4355	my $jitter = $TICK_START - $NEXT_TICK;
3771	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3772	warn "jitter $JITTER\n";#d#	4357	debug "jitter $JITTER\n";#d#
3773	}	4358	}
3774	}	4359	}
3775	}	4360	}
3776		4361
3777	{	4362	{
3778	# configure BDB	4363	# configure BDB
		4364	info "initialising database";
3779		4365
3780	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
3781	BDB::max_poll_reqs $TICK * 0.1;	4367	BDB::max_poll_reqs $TICK * 0.1;
3782	$AnyEvent::BDB::WATCHER->priority (1);	4368	#$AnyEvent::BDB::WATCHER->priority (1);
3783		4369
3784	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
3785	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
3786	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3787	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3812	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3813	};	4399	};
3814	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3815	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3816	};	4402	};
		4403
		4404	info "database initialised";
3817	}	4405	}
3818		4406
3819	{	4407	{
3820	# configure IO::AIO	4408	# configure IO::AIO
3821		4409
		4410	info "initialising aio";
3822	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
3823	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
3824	undef $AnyEvent::AIO::WATCHER;	4413	undef $AnyEvent::AIO::WATCHER;
		4414	info "aio initialised";
3825	}	4415	}
3826		4416
3827	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
3828		4419
3829	sub _log_backtrace {	4420	sub _log_backtrace {
3830	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
3831		4422
3832	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
3833		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3834	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
3835	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
3836	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
3837	async {	4433	async {
3838	$Coro::current->{desc} = "abt $msg";	4434	$Coro::current->{desc} = "abt $msg";
3839		4435
3840	my @bt = fork_call {	4436	my @bt = fork_call {
3841	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
…		…
3852	}	4448	}
3853		4449
3854	@funcs	4450	@funcs
3855	};	4451	};
3856		4452
3857	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3858	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
3859	--$_log_backtrace;	4456	--$_log_backtrace;
3860	};	4457	};
3861	} else {	4458	} else {
3862	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
3863	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3864	}	4461	}
3865	}	4462	}
3866		4463
3867	# load additional modules	4464	# load additional modules
3868	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
3869		4467
3870	END { cf::emergency_save }	4468	END { cf::emergency_save }
3871		4469
3872	1	4470	1
3873		4471

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