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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.447 by root, Fri Sep 19 01:39:45 2008 UTC vs.
Revision 1.618 by root, Mon Aug 10 18:48:41 2015 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		117
100	our %RESOURCE;	118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
101		125
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	128	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		130
107	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	134	our $DB_ENV;
111		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
112	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		140
114	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
116	our $NOW;	144	our $NOW;
117		145
118	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		152
125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
126	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	155	our $JITTER; # average jitter
128	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
129		165
130	binmode STDOUT;	166	binmode STDOUT;
131	binmode STDERR;	167	binmode STDERR;
132		168
133	# read virtual server time, if available	169	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
138	}	174	}
139		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
140	mkdir $_	178	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		180
143	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
144		182
145	sub cf::map::normalise;	183	sub cf::map::normalise;
146		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
147	#############################################################################	189	#############################################################################
148		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
149	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
150		203
151	=over 4	204	=over 4
152		205
153	=item $cf::UPTIME	206	=item $cf::UPTIME
154		207
155	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
156		224
157	=item $cf::RUNTIME	225	=item $cf::RUNTIME
158		226
159	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
160	every server tick.	228	every server tick.
161		229
162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
165		233
166	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
169	database environment.	237	database environment.
170		238
171	=item $cf::NOW
172
173	The time of the last (current) server tick.
174
175	=item $cf::TICK
176
177	The interval between server ticks, in seconds.
178
179	=item $cf::LOADAVG	239	=item $cf::LOADAVG
180		240
181	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
192	from wherever your confdir points to.	252	from wherever your confdir points to.
193		253
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		255
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
197	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
199		277
200	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
201		279
202	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	282	that call.
205		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
206	=back	290	=back
207		291
208	=cut	292	=cut
209		293
210	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	301	my $msg = join "", @_;
213		302
214	$msg .= "\n"	303	$msg .= "\n"
215	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
216		305
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		307
219	LOG llevError, $msg;	308	LOG llevWarn, $msg;
220	};	309	};
221	}
222		310
223	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
225		313
226	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	318	return;#d#
229	}#d#	319	}#d#
230		320
231	# kill coroutine otherwise	321	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	322	Coro::terminate
234	};	323	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		324
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	342	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	344	}
258		345
259	$EV::DIED = sub {	346	$EV::DIED = sub {
260	warn "error in event callback: @_";	347	warn "error in event callback: $@";
261	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
262		354
263	#############################################################################	355	#############################################################################
264		356
265	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
266		358
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	380	$d
289	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
290	}	382	}
291		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
292	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
293		437
294	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
295		439
296	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		447
304	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
306		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
307	=item cf::lock_wait $string	513	=item cf::lock_wait $string
308		514
309	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
310		516
311	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
312		518
313	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
316	returned.	522	returned.
317		523
318	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	525	deadlocked coro.
…		…
325		531
326	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
327		533
328	=cut	534	=cut
329		535
330	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		537
333	sub lock_wait($) {	538	sub lock_wait($) {
334	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	540	}
347		541
348	sub lock_acquire($) {	542	sub lock_acquire($) {
349	my ($key) = @_;	543	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	544	}
363		545
364	sub lock_active($) {	546	sub lock_active($) {
365	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	548	}
369		549
370	sub freeze_mainloop {	550	sub freeze_mainloop {
371	tick_inhibit_inc;	551	tick_inhibit_inc;
372		552
373	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
374	}	554	}
375		555
376	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
377		557
378	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	559	get spread over time.
380		560
381	=cut	561	=cut
382		562
383	sub periodic($$) {	563	sub periodic($$) {
384	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
389	}	569	}
390		570
391	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
392		572
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
396		580
397	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
399		583
400	Useful for short background jobs.	584	Useful for short background jobs.
401		585
402	=cut	586	=cut
403		587
404	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
406		591
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
410		595
411	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
412		598
413	while () {	599	while () {
414	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
415	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	605
417	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	610	$job->[2]->send;
421	Coro::cede;
422	goto next_job;	611	goto next_job;
423	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	614	}
425	}	615	}
426		616
427	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
429	push @cf::WAIT_FOR_TICK, $signal;
430	$signal->wait;
431	} else {	619	} else {
		620	$busy = 0;
432	Coro::schedule;	621	Coro::schedule;
433	}	622	}
434	}	623	}
435	};	624	};
436		625
437	sub get_slot($;$$) {	626	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
439		628
440	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
441		630
442	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
443	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
444		634
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
473	=cut	663	=cut
474		664
475	sub sync_job(&) {	665	sub sync_job(&) {
476	my ($job) = @_;	666	my ($job) = @_;
477		667
478	if ($Coro::current == $Coro::main) {	668	if (in_main) {
479	my $time = EV::time;	669	my $time = AE::time;
480		670
481	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
483		673
484	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
485		675
486	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
487		677
488	my $busy = 1;	678	my $busy = 1;
489	my @res;	679	my @res;
490		680
491	(async {	681	(async {
492	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	683	@res = eval { $job->() };
494	warn $@ if $@;	684	error $@ if $@;
495	undef $busy;	685	undef $busy;
496	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
497		687
498	while ($busy) {	688	while ($busy) {
499	if (Coro::nready) {	689	if (Coro::nready) {
500	Coro::cede_notself;	690	Coro::cede_notself;
501	} else {	691	} else {
502	EV::loop EV::LOOP_ONESHOT;	692	EV::run EV::RUN_ONCE;
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
…		…
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 $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1383	}	1676	}
1384	};	1677	};
1385	}	1678	}
1386		1679
1387	#############################################################################	1680	#############################################################################
…		…
1441		1734
1442	sub exists($) {	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
…		…
1626		1939
1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1941
1629	Expand deliantra pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1630		1943
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
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
1647	=cut	1948	=cut
…		…
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",
…		…
2433	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2434		2743
2435	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2436	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2437		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2438	=cut	2772	=cut
2439		2773
2440	sub cf::object::player::may {	2774	sub cf::object::player::may {
2441	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2442		2776
2443	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2444	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2445	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2446	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2447	}	2781	}
2448		2782
2449	=item $player_object->enter_link	2783	=item $player_object->enter_link
2450		2784
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2786
2453	The player should be reasonably safe there for short amounts of time (e.g.	2787	The player should be reasonably safe there for short amounts of time (e.g.
2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455	though, as the palyer cannot control the character while it is on the link	2789	though, as the player cannot control the character while it is on the link
2456	map.	2790	map.
2457		2791
2458	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2459		2799
2460	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2461		2801
2462	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2463	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2481	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2822	my ($self) = @_;
2483		2823
2484	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2485		2825
		2826	++$self->{_link_recursion};
		2827
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2829
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2490		2832
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2834	}
2493		2835
2494	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2496		2838
…		…
2513	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2515		2857
2516	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2519		2861
2520	$map->load;	2862	$map->load;
2521	$map->load_neighbours;
2522		2863
2523	return unless $self->contr->active;	2864	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2865
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2529	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2530		2873
		2874	}
		2875
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2877
2533	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
…		…
2543		2888
2544	our $GOTOGEN;	2889	our $GOTOGEN;
2545		2890
2546	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2547	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
2548		2899
2549	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2902
2552	$self->enter_link;	2903	$self->enter_link;
…		…
2572	($path, $x, $y) = (undef, undef, undef);	2923	($path, $x, $y) = (undef, undef, undef);
2573	}	2924	}
2574	}	2925	}
2575		2926
2576	my $map = eval {	2927	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2578		2929
2579	if ($map) {	2930	if ($map) {
2580	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2933	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2935	}
2585		2936
2586	$map	2937	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2597	}	2948	}
2598		2949
2599	$done->() if $done;	2950	$done->($self) if $done;
2600	})->prio (1);	2951	})->prio (1);
2601	}	2952	}
2602		2953
2603	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2604		2955
…		…
2672	$Coro::current->{desc} = "enter_exit";	3023	$Coro::current->{desc} = "enter_exit";
2673		3024
2674	unless (eval {	3025	unless (eval {
2675	$self->deactivate_recursive; # just to be sure	3026	$self->deactivate_recursive; # just to be sure
2676		3027
2677	# random map handling
2678	{
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	prepare_random_map $exit
2682	if $exit->slaying eq "/!";
2683	}
2684
2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
2686	my $x = $exit->stats->hp;	3029	my $x = $exit->stats->hp;
2687	my $y = $exit->stats->sp;	3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
2688		3054
2689	$self->goto ($map, $x, $y);	3055	$self->goto ($map, $x, $y);
2690		3056
2691	# if exit is damned, update players death & WoR home-position	3057	# if exit is damned, update players death & WoR home-position
2692	$self->contr->savebed ($map, $x, $y)	3058	$self->contr->savebed ($map, $x, $y)
…		…
2697	$self->message ("Something went wrong deep within the deliantra server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2699	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2701		3067
2702	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	3069	$self->leave_link;
2704	}	3070	}
2705	})->prio (1);	3071	})->prio (1);
2706	}	3072	}
2707		3073
2708	=head3 cf::client	3074	=head3 cf::client
2709		3075
2710	=over 4	3076	=over 4
2711		3077
2712	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2713		3079
2714	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2715	should not be used under normal circumstances.	3081	them as required.
2716		3082
2717	=cut	3083	=cut
2718		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2719	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2720	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2721		3089
2722	utf8::encode $text;	3090	# try lzf for large packets
2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2724	}	3101	}
2725		3102
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		3104
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2729	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2730	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2731	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2732		3109
2733	=cut	3110	=cut
2734		3111
2735	# non-persistent channels (usually the info channel)	3112	# non-persistent channels (usually the info channel)
2736	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2737	"c/identify" => {	3120	"c/identify" => {
2738	id => "infobox",	3121	id => "infobox",
2739	title => "Identify",	3122	title => "Identify",
2740	reply => undef,	3123	reply => undef,
2741	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3126	"c/examine" => {
2744	id => "infobox",	3127	id => "infobox",
2745	title => "Examine",	3128	title => "Examine",
2746	reply => undef,	3129	reply => undef,
2747	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
		3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
2748	},	3137	},
2749	"c/book" => {	3138	"c/book" => {
2750	id => "infobox",	3139	id => "infobox",
2751	title => "Book",	3140	title => "Book",
2752	reply => undef,	3141	reply => undef,
…		…
2768	id => "infobox",	3157	id => "infobox",
2769	title => "Body Parts",	3158	title => "Body Parts",
2770	reply => undef,	3159	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3160	tooltip => "Shows which body parts you posess and are available",
2772	},	3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
2773	"c/uptime" => {	3198	"c/uptime" => {
2774	id => "infobox",	3199	id => "infobox",
2775	title => "Uptime",	3200	title => "Uptime",
2776	reply => undef,	3201	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3202	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3211	id => "party",
2787	title => "Party",	3212	title => "Party",
2788	reply => "gsay ",	3213	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3214	tooltip => "Messages and chat related to your party",
2790	},	3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
2791	);	3230	);
2792		3231
2793	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3234
…		…
2800		3239
2801	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2802	if ($CHANNEL{$channel}) {	3241	if ($CHANNEL{$channel}) {
2803	$channel = $CHANNEL{$channel};	3242	$channel = $CHANNEL{$channel};
2804		3243
2805	$self->ext_msg (channel_info => $channel)	3244	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807
2808	$channel = $channel->{id};	3245	$channel = $channel->{id};
2809		3246
2810	} elsif (ref $channel) {	3247	} elsif (ref $channel) {
2811	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2812	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2813	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2814	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816	}	3252	}
2817		3253
2818	$channel = $channel->{id};	3254	$channel = $channel->{id};
2819	}	3255	}
2820		3256
2821	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2822		3258
2823	if ($self->can_msg) {
2824	# default colour, mask it out	3259	# default colour, mask it out
2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2826	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2827		3262
2828	my $pkt = "msg "	3263	my $pkt = "msg "
2829	. $self->{json_coder}->encode (	3264	. $self->{json_coder}->encode (
2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2831	);	3266	);
2832		3267
2833	# try lzf for large packets
2834	$pkt = "lzf " . Compress::LZF::compress $pkt
2835	if 1024 <= length $pkt and $self->{can_lzf};
2836
2837	# split very large packets
2838	if (8192 < length $pkt and $self->{can_lzf}) {
2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2840	$pkt = "frag";
2841	}
2842
2843	$self->send_packet ($pkt);	3268	$self->send_big_packet ($pkt);
2844	} else {
2845	if ($color >= 0) {
2846	# replace some tags by gcfclient-compatible ones
2847	for ($msg) {
2848	1 while
2849	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2850	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2851	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2852	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2853	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2854	}
2855
2856	$color &= cf::NDI_COLOR_MASK;
2857
2858	utf8::encode $msg;
2859
2860	if (0 && $msg =~ /\[/) {
2861	# COMMAND/INFO
2862	$self->send_packet ("drawextinfo $color 10 8 $msg")
2863	} else {
2864	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2865	$self->send_packet ("drawinfo $color $msg")
2866	}
2867	}
2868	}
2869	}	3269	}
2870		3270
2871	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2872		3272
2873	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2875	=cut	3275	=cut
2876		3276
2877	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2878	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2879		3279
2880	if ($self->extcmd == 2) {
2881	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2882	} elsif ($self->extcmd == 1) { # TODO: remove
2883	push @msg, msgtype => "event_$type";
2884	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2885	}
2886	}
2887
2888	=item $client->ext_reply ($msgid, @msg)
2889
2890	Sends an ext reply to the client.
2891
2892	=cut
2893
2894	sub cf::client::ext_reply($$@) {
2895	my ($self, $id, @msg) = @_;
2896
2897	if ($self->extcmd == 2) {
2898	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2899	} elsif ($self->extcmd == 1) {
2900	#TODO: version 1, remove
2901	unshift @msg, msgtype => "reply", msgid => $id;
2902	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2903	}
2904	}	3281	}
2905		3282
2906	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2907		3284
2908	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2928		3305
2929	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2930	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2931		3308
2932	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2933	}	3349	}
2934		3350
2935	cf::client->attach (	3351	cf::client->attach (
2936	on_connect => sub {	3352	on_connect => sub {
2937	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2963	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2964		3380
2965	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2966		3382
2967	if (ref $msg) {	3383	if (ref $msg) {
2968	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2969	"ARRAY" eq ref $msg
2970	? @$msg
2971	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2972		3385
2973	my @reply;
2974
2975	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
2976	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2977	}	3404	}
2978
2979	$ns->ext_reply ($reply, @reply)
2980	if $reply;
2981
2982	} else {	3405	} else {
2983	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2984	}	3407	}
2985		3408
2986	cf::override;	3409	cf::override;
2987	},	3410	},
2988	);	3411	);
…		…
3008		3431
3009	$coro	3432	$coro
3010	}	3433	}
3011		3434
3012	cf::client->attach (	3435	cf::client->attach (
3013	on_destroy => sub {	3436	on_client_destroy => sub {
3014	my ($ns) = @_;	3437	my ($ns) = @_;
3015		3438
3016	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3017	},	3440	},
3018	);	3441	);
…		…
3034	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
3035		3458
3036	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
3037		3460
3038	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
3039	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
3040	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
3041	sort time	3464	sort time
3042	));	3465	));
3043		3466
3044	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
3048	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
3049		3472
3050	cf::object	3473	cf::object
3051	contr pay_amount pay_player map x y force_find force_add destroy	3474	contr pay_amount pay_player map x y force_find force_add destroy
3052	insert remove name archname title slaying race decrease split	3475	insert remove name archname title slaying race decrease split
		3476	value
3053		3477
3054	cf::object::player	3478	cf::object::player
3055	player	3479	player
3056		3480
3057	cf::player	3481	cf::player
…		…
3063	=cut	3487	=cut
3064		3488
3065	for (	3489	for (
3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3067	insert remove inv nrof name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
3068	decrease split destroy change_exp)],	3492	decrease split destroy change_exp value msg lore send_msg)],
3069	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
3070	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
3071	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
3072	) {	3496	) {
3073	no strict 'refs';
3074	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
3075	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3076	for @funs;	3499	for @funs;
3077	}	3500	}
3078		3501
…		…
3093		3516
3094	my $qcode = $code;	3517	my $qcode = $code;
3095	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3096	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
3097		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
3098	local $_;	3524	local $_;
3099	local @safe::cf::_safe_eval_args = values %vars;
3100		3525
3101	my $eval =	3526	my $eval =
3102	"do {\n"	3527	"do {\n"
3103	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3104	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
3105	. $code	3530	. $code
3106	. "\n}"	3531	. "\n}"
3107	;	3532	;
3108		3533
		3534	if ($CFG{safe_eval}) {
3109	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
3110	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3111	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
3112		3543
3113	if ($@) {	3544	if ($@) {
3114	warn "$@";	3545	warn "$@",
3115	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
3116	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
3117	}	3548	}
3118		3549
3119	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
3120	}	3551	}
3121		3552
…		…
3135	=cut	3566	=cut
3136		3567
3137	sub register_script_function {	3568	sub register_script_function {
3138	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
3139		3570
3140	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
3141	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
3142	}	3573	}
3143		3574
3144	=back	3575	=back
3145		3576
3146	=cut	3577	=cut
3147		3578
3148	#############################################################################	3579	#############################################################################
3149	# the server's init and main functions	3580	# the server's init and main functions
3150		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
3151	sub load_facedata($) {	3659	sub load_facedata($) {
3152	my ($path) = @_;	3660	my ($path) = @_;
3153		3661
3154	# HACK to clear player env face cache, we need some signal framework
3155	# for this (global event?)
3156	%ext::player_env::MUSIC_FACE_CACHE = ();
3157
3158	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3159		3663
3160	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
3161		3665
3162	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
3163	0 < aio_load $path, $facedata
3164	or die "$path: $!";
3165
3166	$facedata = Coro::Storable::thaw $facedata;
3167		3667
3168	$facedata->{version} == 2	3668	$facedata->{version} == 2
3169	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3170		3670
3171	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3172	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3173	type => FT_RSRC,	3673
3174	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3175	};	3675
3176	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
3177		3679
3178	{	3680	{
3179	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
3180		3682
3181	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3183		3686
3184	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
3185	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
3186	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3188		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3189	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
3190	}	3694	}
3191		3695
3192	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
3193	next unless $info->{smooth};	3697	next unless $info->{smooth};
3194		3698
…		…
3197		3701
3198	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
3199	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3201	} else {	3705	} else {
3202	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3203	}	3707	}
3204
3205	cf::cede_to_tick;
3206	}	3708	}
3207	}	3709	}
3208		3710
3209	{	3711	{
3210	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3211		3713
3212	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3213	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3214	cf::cede_to_tick;
3215	}	3716	}
3216		3717
3217	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3218	}	3719	}
3219		3720
3220	{	3721	{
3221	# TODO: for gcfclient pleasure, we should give resources
3222	# that gcfclient doesn't grok a >10000 face index.
3223	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3224		3723
3225	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
3226	if (defined $info->{type}) {	3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3228	my $data;
3229		3728
3230	if ($info->{type} & 1) {
3231	# prepend meta info
3232
3233	my $meta = $enc->encode ({
3234	name => $name,
3235	%{ $info->{meta} || {} },
3236	});
3237
3238	$data = pack "(w/a*)*", $meta, $info->{data};
3239	} else {
3240	$data = $info->{data};
3241	}
3242
3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3244	cf::face::set_type $idx, $info->{type};	3729	cf::face::set_type $idx, $type;
		3730	cf::face::set_csum $idx, 0, $info->{hash};
		3731	$cf::face::SIZE[0][$idx] = $info->{size};
		3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3734	$cf::face::HASH{$info->{hash}} = $idx;
3245	} else {	3735	} else {
3246	$RESOURCE{$name} = $info;	3736	# $RESOURCE{$name} = $info; # unused
3247	}	3737	}
3248
3249	cf::cede_to_tick;
3250	}	3738	}
3251	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
3252		3750
3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3254		3752
		3753	aio_close $fh if $fh; # close old facedata
		3754
3255	1	3755	1
3256	}	3756	}
3257
3258	cf::global->attach (on_resource_update => sub {
3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3261
3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3263	my $sound = $soundconf->{compat}[$_]
3264	or next;
3265
3266	my $face = cf::face::find "sound/$sound->[1]";
3267	cf::sound::set $sound->[0] => $face;
3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3269	}
3270
3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
3272	my $face = cf::face::find "sound/$v";
3273	cf::sound::set $k => $face;
3274	}
3275	}
3276	});
3277		3757
3278	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
3279	my ($ns, $want) = @_;	3759	my ($ns, $want) = @_;
3280		3760
3281	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
…		…
3289	my $status = load_resource_file_ $_[0];	3769	my $status = load_resource_file_ $_[0];
3290	get_slot 0.1, 100;	3770	get_slot 0.1, 100;
3291	cf::arch::commit_load;	3771	cf::arch::commit_load;
3292		3772
3293	$status	3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
3294	}	3788	}
3295		3789
3296	sub reload_regions {	3790	sub reload_regions {
3297	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3298	# for this (global event?)	3792	# for this (global event?)
…		…
3306	if exists $_->{match};	3800	if exists $_->{match};
3307	}	3801	}
3308	}	3802	}
3309		3803
3310	sub reload_facedata {	3804	sub reload_facedata {
3311	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3312	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3313	}	3807	}
3314		3808
3315	sub reload_archetypes {	3809	sub reload_archetypes {
3316	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3317	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
		3812
		3813	cf::face::set
		3814	"res/skill_info" => FT_RSRC,
		3815	JSON::XS->new->utf8->canonical->encode (
		3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3318	}	3838	}
3319		3839
3320	sub reload_treasures {	3840	sub reload_treasures {
3321	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3322	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3323	}	3843	}
3324		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
3325	sub reload_resources {	3865	sub reload_resources {
3326	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3327		3867
		3868	reload_materials;
3328	reload_facedata;	3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
3329	reload_archetypes;	3872	reload_archetypes;
3330	reload_regions;	3873	reload_regions;
3331	reload_treasures;	3874	reload_treasures;
3332		3875
3333	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3334	}
3335
3336	sub init {
3337	my $guard = freeze_mainloop;
3338
3339	evthread_start IO::AIO::poll_fileno;
3340
3341	reload_resources;
3342	}	3877	}
3343		3878
3344	sub reload_config {	3879	sub reload_config {
3345	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3346	or return;
3347		3881
3348	local $/;	3882	my $config = load_file "$CONFDIR/config";
3349	*CFG = YAML::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3350		3885
3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3352		3887
3353	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3355		3890
3356	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3379		3914
3380	seek $fh, 0, 0;	3915	seek $fh, 0, 0;
3381	print $fh $$;	3916	print $fh $$;
3382	}	3917	}
3383		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3384	sub main {	3928	sub main {
3385	atomic;	3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3386		3937
3387	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3388	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3390	(async {	3941	(async {
3391	$Coro::current->{desc} = "IDLE BUG HANDLER";	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
3392	EV::loop EV::LOOP_ONESHOT;	3943	EV::run EV::RUN_ONCE;
3393	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3394	};	3945	};
3395		3946
3396	{	3947	evthread_start IO::AIO::poll_fileno;
3397	my $guard = freeze_mainloop;	3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3398	reload_config;	3961	reload_config;
3399	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3400	load_extensions;	3971	load_extensions;
3401		3972
3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3403	}
3404
3405	utime time, time, $RUNTIMEFILE;	3973	utime time, time, $RUNTIMEFILE;
3406		3974
3407	# no (long-running) fork's whatsoever before this point(!)	3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3409		3978
3410	EV::loop;	3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3411	}	3990	}
3412		3991
3413	#############################################################################	3992	#############################################################################
3414	# initialisation and cleanup	3993	# initialisation and cleanup
3415		3994
3416	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3417	BEGIN {	3996	BEGIN {
3418	our %SIGWATCHER = ();	3997	our %SIGWATCHER = ();
3419	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3420	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3421	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3422	};	4001	};
3423	}	4002	}
3424	}	4003	}
3425		4004
3426	sub write_runtime_sync {	4005	sub write_runtime_sync {
		4006	my $t0 = AE::time;
		4007
3427	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3428	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3429		4010
3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3431		4012
3432	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3433		4014
3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3435	or return;	4016	or return;
3436		4017
3437	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3438	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3439	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3452	or return;	4033	or return;
3453		4034
3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3455	and return;	4036	and return;
3456		4037
3457	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3458		4039
3459	1	4040	1
3460	}	4041	}
3461		4042
3462	our $uuid_lock;	4043	our $uuid_lock;
…		…
3471	my $uuid = "$LOCALDIR/uuid";	4052	my $uuid = "$LOCALDIR/uuid";
3472		4053
3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3474	or return;	4055	or return;
3475		4056
3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
3477	$uuid_skip = 0;	4065	$uuid_skip = 0;
3478		4066
3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3480	and return;	4068	and return;
3481		4069
…		…
3487	or return;	4075	or return;
3488		4076
3489	aio_rename "$uuid~", $uuid	4077	aio_rename "$uuid~", $uuid
3490	and return;	4078	and return;
3491		4079
3492	warn "uuid file written ($value).\n";	4080	trace "uuid file written ($value).\n";
3493		4081
3494	1	4082	1
3495		4083
3496	}	4084	}
3497		4085
…		…
3503	}	4091	}
3504		4092
3505	sub emergency_save() {	4093	sub emergency_save() {
3506	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3507		4095
3508	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3509		4102
3510	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3511	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3512	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3513	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3514	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3515	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3516	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3517	$pl->valid or next;	4112	$pl->valid or next;
3518	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3519	$pl->save;	4114	$pl->save;
3520	}	4115	}
3521	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3522		4117
3523	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3524	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3525	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3526	$map->valid or next;	4123	$map->valid or next;
3527	$map->save;	4124	$map->save;
3528	}	4125	}
3529	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3530		4127
3531	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3532	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3533	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
3534		4133
3535	warn "begin write uuid\n";	4134	info "emergency_perl_save: begin write uuid\n";
3536	write_uuid_sync 1;	4135	write_uuid_sync 1;
3537	warn "end write uuid\n";	4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3538	};	4156	};
3539		4157
3540	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3541	}	4159	}
3542		4160
3543	sub post_cleanup {	4161	sub post_cleanup {
3544	my ($make_core) = @_;	4162	my ($make_core) = @_;
3545		4163
		4164	IO::AIO::flush;
		4165
3546	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3547	if $make_core;	4167	if $make_core;
3548		4168
3549	my $fh = pidfile;	4169	my $fh = pidfile;
3550	unlink $PIDFILE if <$fh> == $$;	4170	unlink $PIDFILE if <$fh> == $$;
3551	}	4171	}
…		…
3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3572	for my $name (keys %$leaf_symtab) {	4192	for my $name (keys %$leaf_symtab) {
3573	_gv_clear *{"$pkg$name"};	4193	_gv_clear *{"$pkg$name"};
3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3575	}	4195	}
3576	warn "cleared package #$pkg\n";#d#
3577	}	4196	}
3578
3579	our $RELOAD; # how many times to reload
3580		4197
3581	sub do_reload_perl() {	4198	sub do_reload_perl() {
3582	# can/must only be called in main	4199	# can/must only be called in main
3583	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3584	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3585	return;	4202	return;
3586	}	4203	}
3587		4204
3588	return if $RELOAD++;	4205	return if $RELOAD++;
3589		4206
		4207	my $t1 = AE::time;
		4208
3590	while ($RELOAD) {	4209	while ($RELOAD) {
3591	warn "reloading...";	4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
3592		4212
3593	warn "entering sync_job";	4213	trace "perl_reload: entering sync_job";
3594		4214
3595	cf::sync_job {	4215	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4216	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4217
3600	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;
3602
3603	# if anything goes wrong in here, we should simply crash as we already saved
3604
3605	warn "flushing outstanding aio requests";
3606	while (IO::AIO::nreqs || BDB::nreqs) {
3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3608	}
3609
3610	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3611	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3612	%EXT_CORO = ();	4220	%EXT_CORO = ();
3613		4221
3614	warn "removing commands";	4222	trace "perl_reload: removing commands";
3615	%COMMAND = ();	4223	%COMMAND = ();
3616		4224
3617	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3618	%EXTCMD = ();	4226	%EXTCMD = ();
3619	%EXTICMD = ();	4227	%EXTICMD = ();
3620		4228
3621	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3622	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3623	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3624		4232
3625	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3626	eval {	4234	eval {
3627	$cb->($pkg);	4235	$cb->($pkg);
3628	1	4236	1
3629	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
3630	}	4238	}
3631		4239
3632	warn "... clearing $pkg";	4240	trace "... clearing $pkg";
3633	clear_package $pkg;	4241	clear_package $pkg;
3634	}	4242	}
3635		4243
3636	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3637	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3639		4247
3640	warn "... unloading $k";	4248	trace "... unloading $k";
3641	delete $INC{$k};	4249	delete $INC{$k};
3642		4250
3643	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3644	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3645		4253
…		…
3648	}	4256	}
3649		4257
3650	clear_package $k;	4258	clear_package $k;
3651	}	4259	}
3652		4260
3653	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3654	clear_package "safe::$_"	4262	clear_package "safe::$_"
3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3656		4264
3657	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3658	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3659	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3660		4268
3661	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3662	# and global variables created in xs	4270	# and global variables created in xs
3663	#clear_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3664		4272
3665	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3666		4274
3667	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3668	require cf;	4276	require cf;
3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3670		4278
3671	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3672	cf::reload_config;	4280	cf::reload_config;
3673		4281
3674	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3675	cf::load_extensions;	4283	cf::load_extensions;
3676		4284
		4285	if ($REATTACH_ON_RELOAD) {
3677	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3678	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3679	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3680	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3681	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3682	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3683		4293
3684	warn "leaving sync_job";	4294	cf::_post_init 1;
		4295
		4296	trace "perl_reload: leaving sync_job";
3685		4297
3686	1	4298	1
3687	} or do {	4299	} or do {
3688	warn $@;	4300	error $@;
3689	cf::cleanup "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3690	};	4302	};
3691		4303
3692	warn "reloaded";
3693	--$RELOAD;	4304	--$RELOAD;
3694	}	4305	}
		4306
		4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3695	};	4309	};
3696		4310
3697	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3698		4312
3699	sub reload_perl() {	4313	sub reload_perl() {
3700	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3701	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3702		4316
		4317	$RELOAD_WATCHER ||= cf::async {
		4318	Coro::AIO::aio_wait cache_extensions;
		4319
3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3704	do_reload_perl;	4321	do_reload_perl;
3705	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
		4323	};
3706	};	4324	};
3707	}	4325	}
3708		4326
3709	register_command "reload" => sub {	4327	register_command "reload" => sub {
3710	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
…		…
3716	reload_perl;	4334	reload_perl;
3717	};	4335	};
3718	}	4336	}
3719	};	4337	};
3720		4338
3721	unshift @INC, $LIBDIR;	4339	#############################################################################
3722		4340
3723	my $bug_warning = 0;	4341	my $bug_warning = 0;
3724		4342
3725	our @WAIT_FOR_TICK;
3726	our @WAIT_FOR_TICK_BEGIN;
3727
3728	sub wait_for_tick {	4343	sub wait_for_tick() {
3729	return if tick_inhibit || $Coro::current == $Coro::main;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3730		4345
3731	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3732	push @WAIT_FOR_TICK, $signal;
3733	$signal->wait;
3734	}	4347	}
3735		4348
3736	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4351
3739	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3740	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3741	$signal->wait;	4354	$signal->wait;
3742	}	4355	}
…		…
3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3747	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3748	return;	4361	return;
3749	}	4362	}
3750		4363
3751	cf::server_tick; # one server iteration	4364	cf::one_tick; # one server iteration
		4365
		4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3752		4367
3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3755	Coro::async_pool {	4370	Coro::async_pool {
3756	$Coro::current->{desc} = "runtime saver";	4371	$Coro::current->{desc} = "runtime saver";
3757	write_runtime_sync	4372	write_runtime_sync
3758	or warn "ERROR: unable to write runtime file: $!";	4373	or error "ERROR: unable to write runtime file: $!";
3759	};	4374	};
3760	}	4375	}
3761		4376
3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3763	$sig->send;	4378	$sig->send;
3764	}	4379	}
3765	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3766	$sig->send;
3767	}
3768		4381
3769	$LOAD = ($NOW - $TICK_START) / $TICK;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3771		4384
3772	if (0) {	4385	if (0) {
3773	if ($NEXT_TICK) {	4386	if ($NEXT_TICK) {
3774	my $jitter = $TICK_START - $NEXT_TICK;	4387	my $jitter = $TICK_START - $NEXT_TICK;
3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3776	warn "jitter $JITTER\n";#d#	4389	debug "jitter $JITTER\n";#d#
3777	}	4390	}
3778	}	4391	}
3779	}	4392	}
3780		4393
3781	{	4394	{
3782	# configure BDB	4395	# configure BDB
		4396	info "initialising database";
3783		4397
3784	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3785	BDB::max_poll_reqs $TICK * 0.1;	4399	BDB::max_poll_reqs $TICK * 0.1;
3786	$AnyEvent::BDB::WATCHER->priority (1);	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3787		4401
3788	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3789	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3817	};	4431	};
3818	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3820	};	4434	};
		4435
		4436	info "database initialised";
3821	}	4437	}
3822		4438
3823	{	4439	{
3824	# configure IO::AIO	4440	# configure IO::AIO
3825		4441
		4442	info "initialising aio";
3826	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3827	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3828	undef $AnyEvent::AIO::WATCHER;	4445	undef $AnyEvent::AIO::WATCHER;
		4446	info "aio initialised";
3829	}	4447	}
3830		4448
3831	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3832		4451
3833	sub _log_backtrace {	4452	sub _log_backtrace {
3834	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3835		4454
3836	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3837		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3838	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3839	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3840	++$_log_backtrace;	4463	++$_log_backtrace;
3841	my $perl_bt = Carp::longmess $msg;	4464	my $perl_bt = Carp::longmess $msg;
3842	async {	4465	async {
3843	$Coro::current->{desc} = "abt $msg";	4466	$Coro::current->{desc} = "abt $msg";
3844		4467
…		…
3864	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3865	--$_log_backtrace;	4488	--$_log_backtrace;
3866	};	4489	};
3867	} else {	4490	} else {
3868	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3869	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3870	}	4493	}
3871	}	4494	}
3872		4495
3873	# load additional modules	4496	# load additional modules
3874	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3875		4499
3876	END { cf::emergency_save }	4500	END { cf::emergency_save }
3877		4501
3878	1	4502	1
3879		4503

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