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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.444 by root, Mon Sep 8 11:27:25 2008 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
98		125
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	128	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		130
104	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	134	our $DB_ENV;
108		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
109	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		140
111	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
113	our $NOW;	144	our $NOW;
114		145
115	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	155	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
126		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
127	binmode STDOUT;	166	binmode STDOUT;
128	binmode STDERR;	167	binmode STDERR;
129		168
130	# read virtual server time, if available	169	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
135	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
136		177
137	mkdir $_	178	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		180
140	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
141		182
142	sub cf::map::normalise;	183	sub cf::map::normalise;
143		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
144	#############################################################################	189	#############################################################################
145		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
146	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
147		203
148	=over 4	204	=over 4
149		205
150	=item $cf::UPTIME	206	=item $cf::UPTIME
151		207
152	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.
153		224
154	=item $cf::RUNTIME	225	=item $cf::RUNTIME
155		226
156	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
157	every server tick.	228	every server tick.
158		229
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		233
163	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
166	database environment.	237	database environment.
167		238
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	239	=item $cf::LOADAVG
177		240
178	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
189	from wherever your confdir points to.	252	from wherever your confdir points to.
190		253
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		255
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
194	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
196		277
197	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
198		279
199	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
200	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
201	that call.	282	that call.
202		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
203	=back	290	=back
204		291
205	=cut	292	=cut
206		293
207	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	301	my $msg = join "", @_;
210		302
211	$msg .= "\n"	303	$msg .= "\n"
212	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
213		305
214	$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;
215		307
216	LOG llevError, $msg;	308	LOG llevWarn, $msg;
217	};	309	};
218	}
219		310
220	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
222		313
223	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	318	return;#d#
226	}#d#	319	}#d#
227		320
228	# kill coroutine otherwise	321	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	322	Coro::terminate
231	};	323	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		324
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	342	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	344	}
255		345
256	$EV::DIED = sub {	346	$EV::DIED = sub {
257	warn "error in event callback: @_";	347	warn "error in event callback: $@";
258	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
259		354
260	#############################################################################	355	#############################################################################
261		356
262	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
263		358
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	380	$d
286	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
287	}	382	}
288		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
289	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
290		437
291	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
292		439
293	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		447
301	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	513	=item cf::lock_wait $string
305		514
306	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
307		516
308	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
309		518
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
313	returned.	522	returned.
314		523
315	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
316	deadlocked coro.	525	deadlocked coro.
…		…
322		531
323	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.
324		533
325	=cut	534	=cut
326		535
327	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		537
330	sub lock_wait($) {	538	sub lock_wait($) {
331	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	540	}
344		541
345	sub lock_acquire($) {	542	sub lock_acquire($) {
346	my ($key) = @_;	543	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	544	}
360		545
361	sub lock_active($) {	546	sub lock_active($) {
362	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	548	}
366		549
367	sub freeze_mainloop {	550	sub freeze_mainloop {
368	tick_inhibit_inc;	551	tick_inhibit_inc;
369		552
370	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
371	}	554	}
372		555
373	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
374		557
375	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
376	get spread over timer.	559	get spread over time.
377		560
378	=cut	561	=cut
379		562
380	sub periodic($$) {	563	sub periodic($$) {
381	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
386	}	569	}
387		570
388	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
389		572
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
393		580
394	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
395	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
396		583
397	Useful for short background jobs.	584	Useful for short background jobs.
398		585
399	=cut	586	=cut
400		587
401	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
403		591
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
407		595
408	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
409		598
410	while () {	599	while () {
411	next_job:	600	next_job:
		601
412	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	603
414	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	608	$job->[2]->send;
418	Coro::cede;	609	Coro::cede;
419	goto next_job;	610	goto next_job;
420	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	613	}
422	}	614	}
423		615
424	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
427	$signal->wait;
428	} else {	619	} else {
		620	$busy = 0;
429	Coro::schedule;	621	Coro::schedule;
430	}	622	}
431	}	623	}
432	};	624	};
433		625
434	sub get_slot($;$$) {	626	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
436		628
437	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
438		630
439	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
440	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
441		634
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
470	=cut	663	=cut
471		664
472	sub sync_job(&) {	665	sub sync_job(&) {
473	my ($job) = @_;	666	my ($job) = @_;
474		667
475	if ($Coro::current == $Coro::main) {	668	if (in_main) {
476	my $time = EV::time;	669	my $time = AE::time;
477		670
478	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
480		673
481	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
482		675
483	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
484		677
485	my $busy = 1;	678	my $busy = 1;
486	my @res;	679	my @res;
487		680
488	(async {	681	(async {
489	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	683	@res = eval { $job->() };
491	warn $@ if $@;	684	error $@ if $@;
492	undef $busy;	685	undef $busy;
493	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
494		687
495	while ($busy) {	688	while ($busy) {
496	if (Coro::nready) {	689	if (Coro::nready) {
…		…
498	} else {	691	} else {
499	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
500	}	693	}
501	}	694	}
502		695
503	my $time = EV::time - $time;	696	my $time = AE::time - $time;
504		697
505	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
506		699
507	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
508	} else {	701	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
531		724
532	$coro	725	$coro
533	}	726	}
534		727
535	=item fork_call { }, $args	728	=item fork_call { }, @args
536		729
537	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
541		734
542	=cut	735	=cut
543		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
544	sub fork_call(&@) {	741	sub fork_call(&@) {
545	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
546		743
547	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)
550
551	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
552	reset_signals;	745	cf::post_fork;
553	&$cb	746	&$cb
554	}, @args;	747	} @args;
555		748
556	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	)
557	}	761	}
558		762
559	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
560		764
561	=cut	765	=cut
…		…
598	within each server.	802	within each server.
599		803
600	=cut	804	=cut
601		805
602	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
603	my ($name) = @_;	810	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
605		812
606	eval {	813	eval {
607	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
617	}	824	}
618		825
619	our $DB;	826	our $DB;
620		827
621	sub db_init {	828	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	829	$DB ||= db_table "db";
624	};
625	}	830	}
626		831
627	sub db_get($$) {	832	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
629		834
630	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
631	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
632		839
633	$! ? ()	840	$! ? ()
634	: $data	841	: $data
635	}
636	}	842	}
637		843
638	sub db_put($$$) {	844	sub db_put($$$) {
639	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		874
669	my @data;	875	my @data;
670	my $md5;	876	my $md5;
671		877
672	for (0 .. $#$src) {	878	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	880	}
676		881
677	# if processing is expensive, check	882	# if processing is expensive, check
678	# checksum first	883	# checksum first
679	if (1) {	884	if (1) {
…		…
692		897
693	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
694	}	899	}
695	}	900	}
696		901
697	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
698	my $data = $process->(\@data);	903	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
700		905
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		907
703	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
706		911
…		…
716		921
717	=cut	922	=cut
718		923
719	sub datalog($@) {	924	sub datalog($@) {
720	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	927	}
723		928
724	=back	929	=back
725		930
726	=cut	931	=cut
727		932
728	#############################################################################	933	#############################################################################
729		934
730	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
731		936
732	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
735		940
736	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
788		993
789	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
791		996
792	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
794		999
795	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
796		1001
797	=over 4	1002	=over 4
…		…
921		1126
922	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1129
925	} elsif (ref $type) {	1130	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
927		1132
928	} else {	1133	} else {
929	shift @arg;	1134	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
931	}	1136	}
932	}	1137	}
933	}	1138	}
934		1139
935	sub _object_attach {	1140	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
946	}	1151	}
947		1152
948	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
949	} else {	1154	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1156	}
952		1157
953	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
954	}	1159	}
955		1160
…		…
1014		1219
1015	for (@$callbacks) {	1220	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1017		1222
1018	if ($@) {	1223	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1225	override;
1022	}	1226	}
1023		1227
1024	return 1 if $override;	1228	return 1 if $override;
1025	}	1229	}
…		…
1104	for (@$attach) {	1308	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1107	}	1311	}
1108	} else {	1312	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1314	}
1111	}	1315	}
1112	}	1316	}
1113		1317
1114	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1142		1346
1143	sync_job {	1347	sync_job {
1144	if (length $$rdata) {	1348	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1148		1353
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1361	aio_close $fh;
1154		1362
1155	if (@$objs) {	1363	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1372	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1374	}
1164	} else {	1375	} else {
1165	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1166	}	1377	}
1167		1378
1168	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1383	} else {
1170	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1171	}	1385	}
1172	} else {	1386	} else {
1173	aio_unlink $filename;	1387	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1175	}	1389	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1414	$av = $st->{objs};
1201	}	1415	}
1202		1416
1203	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1206		1421
1207	($data, $av)	1422	($data, $av)
1208	}	1423	}
1209		1424
1210	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1214	=cut	1429	=cut
1215		1430
1216	#############################################################################	1431	#############################################################################
1217	# command handling &c	1432	# command handling &c
1218		1433
1219	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1220		1435
1221	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
1222	$name.	1437	$name.
1223		1438
1224	=cut	1439	=cut
…		…
1230	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1231		1446
1232	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1233	}	1448	}
1234		1449
1235	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1236		1451
1237	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1238	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
1239	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
1240	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
1241	has logged in successfully.	1456	has logged in successfully.
1242		1457
1243	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1244	called.
1245		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
1246	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1247		1466
1248	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1249	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
1250	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
1251	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
1252	log-in.	1471	log-in.
1253		1472
1254	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1255	called.
1256		1474
1257	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1258		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1259	sub register_extcmd {	1482	sub register_extcmd($$) {
1260	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1261		1484
1262	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1263	}	1486	}
1264		1487
1265	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1266	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1267		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1268	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1269	}	1498	}
1270		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1271	cf::player->attach (	1508	cf::player->attach (
1272	on_command => sub {	1509	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1274		1511
1275	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1276	or return;	1513	or return;
1277		1514
…		…
1285	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1286		1523
1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1288		1525
1289	if (ref $msg) {	1526	if (ref $msg) {
1290	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1291	"ARRAY" eq ref $msg
1292	? @$msg
1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294		1528
1295	my @reply;
1296
1297	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}) {
1298	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1299	}	1547	}
1300		1548
1301	$pl->ext_reply ($reply, @reply)
1302	if $reply;
1303
1304	} else {	1549	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1551	}
1307		1552
1308	cf::override;	1553	cf::override;
1309	},	1554	},
1310	);	1555	);
1311		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
1312	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1313	cf::sync_job {	1586	cf::sync_job {
1314	my %todo;	1587	my %todo;
1315		1588
1316	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1590	next unless -r $path;
…		…
1335		1608
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1611
1339	$ext{source} =	1612	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1342	. $source	1615	. $source
1343	. "\n};\n1";	1616	. "\n};\n1";
1344		1617
1345	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1346	}	1619	}
1347		1620
		1621	my $pass = 0;
1348	my %done;	1622	my %done;
1349	while (%todo) {	1623	while (%todo) {
1350	my $progress;	1624	my $progress;
1351		1625
		1626	++$pass;
		1627
		1628	ext:
1352	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1631	next ext
1355	unless exists $done{$_};	1632	unless exists $done{$_};
1356	}	1633	}
1357		1634
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1636
1360	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 $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1650
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1652	if exists $v->{meta}{mandatory};
1368		1653
1369	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;
1370	}	1663	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1664	}
1376		1665
1377	skip:	1666	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1380	}	1676	}
1381	};	1677	};
1382	}	1678	}
1383		1679
1384	#############################################################################	1680	#############################################################################
1385		1681
1386	=back	1682	=back
1387		1683
1388	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1389		1685
1390	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1391		1687
1392	=cut	1688	=cut
1393		1689
1394	package cf::player;	1690	package cf::player;
1395		1691
…		…
1438		1734
1439	sub exists($) {	1735	sub exists($) {
1440	my ($login) = @_;	1736	my ($login) = @_;
1441		1737
1442	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1444	}	1740	}
1445		1741
1446	sub find($) {	1742	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1744	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1469	}	1765	}
1470	}	1766	}
1471	}	1767	}
1472		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1473	sub save($) {	1782	sub save($) {
1474	my ($pl) = @_;	1783	my ($pl) = @_;
1475		1784
1476	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1477		1786
…		…
1482		1791
1483	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1485		1794
1486	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];
1487		1799
1488	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1801	cf::cede_to_tick;
1490	}	1802	}
1491		1803
…		…
1525	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1526		1838
1527	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1528	$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
1529		1841
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1843	$pl->deactivate;
		1844
1532	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;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1535	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1536		1850
1537	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1593	\@logins	1907	\@logins
1594	}	1908	}
1595		1909
1596	=item $player->maps	1910	=item $player->maps
1597		1911
		1912	=item cf::player::maps $login
		1913
1598	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1599	player. May block.	1915	player. May block.
1600		1916
1601	=cut	1917	=cut
1602		1918
…		…
1619	}	1935	}
1620		1936
1621	\@paths	1937	\@paths
1622	}	1938	}
1623		1939
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1941
1626	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1627
1628	=item $player->ext_reply ($msgid, @msg)
1629
1630	Sends an ext reply to the player.
1631
1632	=cut
1633
1634	sub ext_reply($$@) {
1635	my ($self, $id, @msg) = @_;
1636
1637	$self->ns->ext_reply ($id, @msg)
1638	}
1639		1943
1640	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1641		1945
1642	Sends an ext event to the client.	1946	Sends an ext event to the client.
1643		1947
…		…
1663		1967
1664	=cut	1968	=cut
1665		1969
1666	sub find_by_path($) {	1970	sub find_by_path($) {
1667	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1668		1974
1669	my ($match, $specificity);	1975	my ($match, $specificity);
1670		1976
1671	for my $region (list) {	1977	for my $region (list) {
1672	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1701	sub generate_random_map {	2007	sub generate_random_map {
1702	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1703		2009
1704	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
1705		2011
1706	# mit "rum" bekleckern, nicht
1707	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1708	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1709	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1710	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1711	$rmp->{exit_on_final_map},
1712	$rmp->{xsize}, $rmp->{ysize},
1713	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1714	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1715	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1716	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1717	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1718	(cf::region::find $rmp->{region}), $rmp->{custom}
1719	)
1720	}	2013	}
1721		2014
1722	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1723		2016
1724	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
…		…
1729		2022
1730	sub register {	2023	sub register {
1731	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1732	my $pkg = caller;	2025	my $pkg = caller;
1733		2026
1734	no strict;
1735	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1736		2028
1737	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1738	}	2030	}
1739		2031
1740	# also paths starting with '/'	2032	# also paths starting with '/'
1741	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1742		2034
1743	sub thawer_merge {	2035	sub thawer_merge {
1744	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1745		2037
1746	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1751	}	2043	}
1752		2044
1753	sub normalise {	2045	sub normalise {
1754	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1755		2047
1756	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1757		2049
1758	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1759		2051
1760	# map plan:	2052	# map plan:
1761	#	2053	#
…		…
1776	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1777	$path = "$base/$path";	2069	$path = "$base/$path";
1778	}	2070	}
1779		2071
1780	for ($path) {	2072	for ($path) {
1781	redo if s{//}{/};
1782	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1783	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1784	}	2075	}
1785		2076
1786	$path	2077	$path
…		…
1800	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1801	return $self;	2092	return $self;
1802	}	2093	}
1803	}	2094	}
1804		2095
1805	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1806	()	2097	()
1807	}	2098	}
1808		2099
		2100	# may re-bless or do other evil things
1809	sub init {	2101	sub init {
1810	my ($self) = @_;	2102	my ($self) = @_;
1811		2103
1812	$self	2104	$self
1813	}	2105	}
…		…
1844		2136
1845	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1846	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1847	}	2139	}
1848		2140
1849	# and all this just because we cannot iterate over
1850	# all maps in C++...
1851	sub change_all_map_light {
1852	my ($change) = @_;
1853
1854	$_->change_map_light ($change)
1855	for grep $_->outdoor, values %cf::MAP;
1856	}
1857
1858	sub decay_objects {	2141	sub decay_objects {
1859	my ($self) = @_;	2142	my ($self) = @_;
1860		2143
1861	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1862		2145
…		…
1887	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1888		2171
1889	1	2172	1
1890	}	2173	}
1891		2174
		2175	# used to laod the header of an original map
1892	sub load_header_orig {	2176	sub load_header_orig {
1893	my ($self) = @_;	2177	my ($self) = @_;
1894		2178
1895	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1896	}	2180	}
1897		2181
		2182	# used to laod the header of an instantiated map
1898	sub load_header_temp {	2183	sub load_header_temp {
1899	my ($self) = @_;	2184	my ($self) = @_;
1900		2185
1901	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1902	}	2187	}
1903		2188
		2189	# called after loading the header from an instantiated map
1904	sub prepare_temp {	2190	sub prepare_temp {
1905	my ($self) = @_;	2191	my ($self) = @_;
1906		2192
1907	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1908	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1909	# safety	2195	# safety
1910	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1911	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1912	}	2198	}
1913		2199
		2200	# called after loading the header from an original map
1914	sub prepare_orig {	2201	sub prepare_orig {
1915	my ($self) = @_;	2202	my ($self) = @_;
1916		2203
1917	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1918	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1942		2229
1943	sub find;	2230	sub find;
1944	sub find {	2231	sub find {
1945	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1946		2233
		2234	cf::cede_to_tick;
		2235
1947	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1948		2237
1949	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1950	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1951		2240
1952	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1953	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1954	my $guard2 = cf::lock_acquire "map_find:$path";
1955
1956	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1957	or return;	2243	or return;
1958		2244
1959	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1960		2246
…		…
1972		2258
1973	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1974	}	2260	}
1975	}	2261	}
1976		2262
1977	sub pre_load { }	2263	sub pre_load { }
1978	sub post_load { }	2264	#sub post_load { } # XS
1979		2265
1980	sub load {	2266	sub load {
1981	my ($self) = @_;	2267	my ($self) = @_;
1982		2268
1983	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1986		2272
1987	{	2273	{
1988	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1989		2275
1990	return unless $self->valid;	2276	return unless $self->valid;
1991	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1992
1993	$self->in_memory (cf::MAP_LOADING);
1994		2278
1995	$self->alloc;	2279	$self->alloc;
1996		2280
1997	$self->pre_load;	2281	$self->pre_load;
1998	cf::cede_to_tick;	2282	cf::cede_to_tick;
1999		2283
		2284	if (exists $self->{load_path}) {
2000	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2001	$f->skip_block;	2286	$f->skip_block;
2002	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2003	or return;	2288	or return;
2004		2289
2005	$self->post_load_original	2290	$self->post_load_original
2006	if delete $self->{load_original};	2291	if delete $self->{load_original};
2007		2292
2008	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2009	utf8::encode $uniq;	2294	utf8::encode $uniq;
2010	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2011	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2012	$self->clear_unique_items;	2297	$self->clear_unique_items;
2013	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2014	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2015	}	2301	}
2016	}	2302	}
2017	}
2018		2303
2019	$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);
2020		2311
2021	cf::cede_to_tick;	2312	cf::cede_to_tick;
2022	# now do the right thing for maps	2313	# now do the right thing for maps
2023	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2024	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2028	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2029	$self->decay_objects;	2320	$self->decay_objects;
2030	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2031	$self->update_buttons;	2322	$self->update_buttons;
2032	cf::cede_to_tick;	2323	cf::cede_to_tick;
2033	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2034	cf::cede_to_tick;
2035	$self->activate;
2036	}	2325	}
2037		2326
2038	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2039	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2040
2041	$self->in_memory (cf::MAP_ACTIVE);
2042	}	2329	}
2043		2330
2044	$self->post_load;	2331	$self->post_load;
2045	}
2046		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2047	sub customise_for {	2339	sub customise_for {
2048	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2049		2341
2050	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2051	if $self->per_player;	2343	if $self->per_player;
…		…
2054	# if $self->per_party;	2346	# if $self->per_party;
2055		2347
2056	$self	2348	$self
2057	}	2349	}
2058		2350
2059	# find and load all maps in the 3x3 area around a map
2060	sub load_neighbours {
2061	my ($map) = @_;
2062
2063	my @neigh; # diagonal neighbours
2064
2065	for (0 .. 3) {
2066	my $neigh = $map->tile_path ($_)
2067	or next;
2068	$neigh = find $neigh, $map
2069	or next;
2070	$neigh->load;
2071
2072	push @neigh,
2073	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2074	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2075	}
2076
2077	for (grep defined $_->[0], @neigh) {
2078	my ($path, $origin) = @$_;
2079	my $neigh = find $path, $origin
2080	or next;
2081	$neigh->load;
2082	}
2083	}
2084
2085	sub find_sync {	2351	sub find_sync {
2086	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2087		2353
2088	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, $origin
2089	}	2359	}
2090		2360
2091	sub do_load_sync {	2361	sub do_load_sync {
2092	my ($map) = @_;	2362	my ($map) = @_;
2093		2363
		2364	# it's a bug to call this from the main context
2094	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2095	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2096		2367
2097	cf::sync_job { $map->load };	2368	$map->load;
2098	}	2369	}
2099		2370
2100	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2101	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2102		2373
2103	sub find_async {	2374	sub find_async {
2104	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2105		2376
2106	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2107		2378
2108	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2109	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2110	}	2381	}
2111		2382
2112	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2113		2384
2114	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2128	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2129		2400
2130	()	2401	()
2131	}	2402	}
2132		2403
		2404	# common code, used by both ->save and ->swapout
2133	sub save {	2405	sub _save {
2134	my ($self) = @_;	2406	my ($self) = @_;
2135
2136	my $lock = cf::lock_acquire "map_data:$self->{path}";
2137		2407
2138	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2139		2409
2140	return unless $self->dirty;	2410	return unless $self->dirty;
2141		2411
…		…
2161	} else {	2431	} else {
2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2163	}	2433	}
2164	}	2434	}
2165		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2166	sub swap_out {	2444	sub swap_out {
2167	my ($self) = @_;	2445	my ($self) = @_;
2168		2446
2169	# save first because save cedes
2170	$self->save;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2174	return if $self->players;	2451	return if $self->players;
2175	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
2176	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2177		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
2178	$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};
2179		2503
2180	$self->deactivate;	2504	$self->deactivate;
2181	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2182	$self->clear;	2506	$self->clear;
2183	}
2184
2185	sub reset_at {
2186	my ($self) = @_;
2187
2188	# TODO: safety, remove and allow resettable per-player maps
2189	return 1e99 if $self->{deny_reset};
2190
2191	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2192	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2193
2194	$time + $to
2195	}
2196
2197	sub should_reset {
2198	my ($self) = @_;
2199
2200	$self->reset_at <= $cf::RUNTIME
2201	}
2202
2203	sub reset {
2204	my ($self) = @_;
2205
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207
2208	return if $self->players;
2209
2210	warn "resetting map ", $self->path;
2211
2212	$self->in_memory (cf::MAP_SWAPPED);
2213
2214	# need to save uniques path
2215	unless ($self->{deny_save}) {
2216	my $uniq = $self->uniq_path; utf8::encode $uniq;
2217
2218	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2219	if $uniq;
2220	}
2221
2222	delete $cf::MAP{$self->path};
2223
2224	$self->deactivate;
2225	$_->clear_links_to ($self) for values %cf::MAP;
2226	$self->clear;
2227		2507
2228	$self->unlink_save;	2508	$self->unlink_save;
2229	$self->destroy;	2509	$self->destroy;
2230	}	2510	}
2231		2511
…		…
2239		2519
2240	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2241		2521
2242	$self->unlink_save;	2522	$self->unlink_save;
2243		2523
2244	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2245	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2246	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2247	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2248	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2249		2529
…		…
2306	: normalise $_	2586	: normalise $_
2307	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2308	]	2588	]
2309	}	2589	}
2310		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
2311	=back	2623	=back
2312		2624
2313	=head3 cf::object	2625	=head3 cf::object
2314		2626
2315	=cut	2627	=cut
…		…
2338		2650
2339	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.
2340		2652
2341	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2342		2654
2343	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,
2344	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2345		2657
2346	=cut	2658	=cut
2347		2659
2348	sub deref {	2660	sub deref {
…		…
2380		2692
2381	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2382	id => "say",	2694	id => "say",
2383	title => "Map",	2695	title => "Map",
2384	reply => "say ",	2696	reply => "say ",
2385	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.",
2386	};	2698	};
2387		2699
2388	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2389	id => "chat",	2701	id => "chat",
2390	title => "Chat",	2702	title => "Chat",
…		…
2445		2757
2446	=item $player_object->enter_link	2758	=item $player_object->enter_link
2447		2759
2448	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2449		2761
2450	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2451	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2452		2766
2453	Will never block.	2767	Will never block.
2454		2768
2455	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2456		2770
…		…
2476	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2477	my ($self) = @_;	2791	my ($self) = @_;
2478		2792
2479	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2480		2794
		2795	++$self->{_link_recursion};
		2796
2481	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2482		2798
2483	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2484	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2485		2801
2486	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2487	}	2803	}
2488		2804
2489	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2490	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2491		2807
…		…
2508	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2509	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2510		2826
2511	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2512	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2513	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2514		2830
2515	$map->load;	2831	$map->load;
2516	$map->load_neighbours;
2517		2832
2518	return unless $self->contr->active;	2833	return unless $self->contr->active;
2519	$self->activate_recursive;
2520		2834
2521	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2522	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2523	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2524		2842
		2843	}
		2844
2525	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2526		2846
2527	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2528	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2529	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2530	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
…		…
2537		2857
2538	our $GOTOGEN;	2858	our $GOTOGEN;
2539		2859
2540	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2541	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2542		2868
2543	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2544	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2545		2871
2546	$self->enter_link;	2872	$self->enter_link;
…		…
2566	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2567	}	2893	}
2568	}	2894	}
2569		2895
2570	my $map = eval {	2896	my $map = eval {
2571	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2572		2898
2573	if ($map) {	2899	if ($map) {
2574	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2575	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2576	} else {	2902	} else {
2577	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578	}	2904	}
2579		2905
2580	$map	2906	$map
…		…
2588	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2589	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2590	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2591	}	2917	}
2592		2918
2593	$done->() if $done;	2919	$done->($self) if $done;
2594	})->prio (1);	2920	})->prio (1);
2595	}	2921	}
2596		2922
2597	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2598		2924
…		…
2666	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2667		2993
2668	unless (eval {	2994	unless (eval {
2669	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2670		2996
2671	# random map handling
2672	{
2673	my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675	prepare_random_map $exit
2676	if $exit->slaying eq "/!";
2677	}
2678
2679	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2680	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2681	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2682		3023
2683	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2684		3025
2685	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2686	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2687	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2688		3029
2689	1	3030	1
2690	}) {	3031	}) {
2691	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2692	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2693	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2694	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2695		3036
2696	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2697	$self->leave_link;	3038	$self->leave_link;
2698	}	3039	}
2699	})->prio (1);	3040	})->prio (1);
2700	}	3041	}
2701		3042
2702	=head3 cf::client	3043	=head3 cf::client
2703		3044
2704	=over 4	3045	=over 4
2705		3046
2706	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2707		3048
2708	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2709	should not be used under normal circumstances.	3050	them as required.
2710		3051
2711	=cut	3052	=cut
2712		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2713	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2714	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2715		3058
2716	utf8::encode $text;	3059	# try lzf for large packets
2717	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
2718	}	3070	}
2719		3071
2720	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2721		3073
2722	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2723	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2724	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2725	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2726		3078
2727	=cut	3079	=cut
2728		3080
2729	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2730	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2731	"c/identify" => {	3089	"c/identify" => {
2732	id => "infobox",	3090	id => "infobox",
2733	title => "Identify",	3091	title => "Identify",
2734	reply => undef,	3092	reply => undef,
2735	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2737	"c/examine" => {	3095	"c/examine" => {
2738	id => "infobox",	3096	id => "infobox",
2739	title => "Examine",	3097	title => "Examine",
2740	reply => undef,	3098	reply => undef,
2741	tooltip => "Signs and other items you examined",	3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
2742	},	3106	},
2743	"c/book" => {	3107	"c/book" => {
2744	id => "infobox",	3108	id => "infobox",
2745	title => "Book",	3109	title => "Book",
2746	reply => undef,	3110	reply => undef,
…		…
2762	id => "infobox",	3126	id => "infobox",
2763	title => "Body Parts",	3127	title => "Body Parts",
2764	reply => undef,	3128	reply => undef,
2765	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2766	},	3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
2767	"c/uptime" => {	3167	"c/uptime" => {
2768	id => "infobox",	3168	id => "infobox",
2769	title => "Uptime",	3169	title => "Uptime",
2770	reply => undef,	3170	reply => undef,
2771	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2780	id => "party",	3180	id => "party",
2781	title => "Party",	3181	title => "Party",
2782	reply => "gsay ",	3182	reply => "gsay ",
2783	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2784	},	3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
2785	);	3199	);
2786		3200
2787	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2788	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2789		3203
2790	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2791		3206
2792	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2793		3208
2794	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2795	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2796	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2797		3212
2798	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800
2801	$channel = $channel->{id};	3214	$channel = $channel->{id};
2802		3215
2803	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2804	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2805	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2806	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2807	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2808	if $self->can_msg;
2809	}	3221	}
2810		3222
2811	$channel = $channel->{id};	3223	$channel = $channel->{id};
2812	}	3224	}
2813		3225
2814	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2815		3227
2816	if ($self->can_msg) {
2817	# default colour, mask it out	3228	# default colour, mask it out
2818	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2820		3231
2821	my $pkt = "msg "	3232	my $pkt = "msg "
2822	. $self->{json_coder}->encode (	3233	. $self->{json_coder}->encode (
2823	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824	);	3235	);
2825		3236
2826	# try lzf for large packets
2827	$pkt = "lzf " . Compress::LZF::compress $pkt
2828	if 1024 <= length $pkt and $self->{can_lzf};
2829
2830	# split very large packets
2831	if (8192 < length $pkt and $self->{can_lzf}) {
2832	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833	$pkt = "frag";
2834	}
2835
2836	$self->send_packet ($pkt);	3237	$self->send_big_packet ($pkt);
2837	} else {
2838	if ($color >= 0) {
2839	# replace some tags by gcfclient-compatible ones
2840	for ($msg) {
2841	1 while
2842	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847	}
2848
2849	$color &= cf::NDI_COLOR_MASK;
2850
2851	utf8::encode $msg;
2852
2853	if (0 && $msg =~ /\[/) {
2854	# COMMAND/INFO
2855	$self->send_packet ("drawextinfo $color 10 8 $msg")
2856	} else {
2857	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858	$self->send_packet ("drawinfo $color $msg")
2859	}
2860	}
2861	}
2862	}	3238	}
2863		3239
2864	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2865		3241
2866	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2868	=cut	3244	=cut
2869		3245
2870	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2871	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2872		3248
2873	if ($self->extcmd == 2) {
2874	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875	} elsif ($self->extcmd == 1) { # TODO: remove
2876	push @msg, msgtype => "event_$type";
2877	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878	}
2879	}
2880
2881	=item $client->ext_reply ($msgid, @msg)
2882
2883	Sends an ext reply to the client.
2884
2885	=cut
2886
2887	sub cf::client::ext_reply($$@) {
2888	my ($self, $id, @msg) = @_;
2889
2890	if ($self->extcmd == 2) {
2891	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892	} elsif ($self->extcmd == 1) {
2893	#TODO: version 1, remove
2894	unshift @msg, msgtype => "reply", msgid => $id;
2895	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896	}
2897	}	3250	}
2898		3251
2899	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2900		3253
2901	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
2921		3274
2922	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2923	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
2924		3277
2925	1	3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2926	}	3317	}
2927		3318
2928	cf::client->attach (	3319	cf::client->attach (
2929	on_connect => sub {	3320	on_connect => sub {
2930	my ($ns) = @_;	3321	my ($ns) = @_;
…		…
2956	my ($ns, $buf) = @_;	3347	my ($ns, $buf) = @_;
2957		3348
2958	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959		3350
2960	if (ref $msg) {	3351	if (ref $msg) {
2961	my ($type, $reply, @payload) =	3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2962	"ARRAY" eq ref $msg
2963	? @$msg
2964	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965		3353
2966	my @reply;
2967
2968	if (my $cb = $EXTICMD{$type}) {	3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
2969	@reply = $cb->($ns, @payload);	3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
2970	}	3372	}
2971
2972	$ns->ext_reply ($reply, @reply)
2973	if $reply;
2974
2975	} else {	3373	} else {
2976	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977	}	3375	}
2978		3376
2979	cf::override;	3377	cf::override;
2980	},	3378	},
2981	);	3379	);
…		…
3001		3399
3002	$coro	3400	$coro
3003	}	3401	}
3004		3402
3005	cf::client->attach (	3403	cf::client->attach (
3006	on_destroy => sub {	3404	on_client_destroy => sub {
3007	my ($ns) = @_;	3405	my ($ns) = @_;
3008		3406
3009	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3010	},	3408	},
3011	);	3409	);
…		…
3027	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
3028		3426
3029	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
3030		3428
3031	$safe->permit_only (Opcode::opset qw(	3429	$safe->permit_only (Opcode::opset qw(
3032	:base_core :base_mem :base_orig :base_math	3430	:base_core :base_mem :base_orig :base_math :base_loop
3033	grepstart grepwhile mapstart mapwhile	3431	grepstart grepwhile mapstart mapwhile
3034	sort time	3432	sort time
3035	));	3433	));
3036		3434
3037	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
…		…
3041	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
3042		3440
3043	cf::object	3441	cf::object
3044	contr pay_amount pay_player map x y force_find force_add destroy	3442	contr pay_amount pay_player map x y force_find force_add destroy
3045	insert remove name archname title slaying race decrease split	3443	insert remove name archname title slaying race decrease split
		3444	value
3046		3445
3047	cf::object::player	3446	cf::object::player
3048	player	3447	player
3049		3448
3050	cf::player	3449	cf::player
…		…
3056	=cut	3455	=cut
3057		3456
3058	for (	3457	for (
3059	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060	insert remove inv nrof name archname title slaying race	3459	insert remove inv nrof name archname title slaying race
3061	decrease split destroy change_exp)],	3460	decrease split destroy change_exp value msg lore send_msg)],
3062	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
3063	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
3064	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
3065	) {	3464	) {
3066	no strict 'refs';
3067	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
3068	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3069	for @funs;	3467	for @funs;
3070	}	3468	}
3071		3469
…		…
3086		3484
3087	my $qcode = $code;	3485	my $qcode = $code;
3088	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3089	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
3090		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
3091	local $_;	3492	local $_;
3092	local @safe::cf::_safe_eval_args = values %vars;
3093		3493
3094	my $eval =	3494	my $eval =
3095	"do {\n"	3495	"do {\n"
3096	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3097	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
3098	. $code	3498	. $code
3099	. "\n}"	3499	. "\n}"
3100	;	3500	;
3101		3501
		3502	if ($CFG{safe_eval}) {
3102	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
3103	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3104	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
3105		3511
3106	if ($@) {	3512	if ($@) {
3107	warn "$@";	3513	warn "$@",
3108	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
3109	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
3110	}	3516	}
3111		3517
3112	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
3113	}	3519	}
3114		3520
…		…
3128	=cut	3534	=cut
3129		3535
3130	sub register_script_function {	3536	sub register_script_function {
3131	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
3132		3538
3133	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
3134	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
3135	}	3541	}
3136		3542
3137	=back	3543	=back
3138		3544
3139	=cut	3545	=cut
3140		3546
3141	#############################################################################	3547	#############################################################################
3142	# the server's init and main functions	3548	# the server's init and main functions
3143		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
3144	sub load_facedata($) {	3627	sub load_facedata($) {
3145	my ($path) = @_;	3628	my ($path) = @_;
3146		3629
3147	# HACK to clear player env face cache, we need some signal framework
3148	# for this (global event?)
3149	%ext::player_env::MUSIC_FACE_CACHE = ();
3150
3151	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3152		3631
3153	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
3154		3633
3155	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
3156	0 < aio_load $path, $facedata
3157	or die "$path: $!";
3158
3159	$facedata = Coro::Storable::thaw $facedata;
3160		3635
3161	$facedata->{version} == 2	3636	$facedata->{version} == 2
3162	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3163		3638
3164	# patch in the exptable	3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3165	$facedata->{resource}{"res/exp_table"} = {	3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3166	type => FT_RSRC,	3641
3167	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3168	};	3643
3169	cf::cede_to_tick;	3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
3170		3647
3171	{	3648	{
3172	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
3173		3650
3174	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
3175	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3176		3654
3177	cf::face::set_visibility $idx, $info->{visibility};	3655	cf::face::set_visibility $idx, $info->{visibility};
3178	cf::face::set_magicmap $idx, $info->{magicmap};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
3179	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3180	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3181		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3182	cf::cede_to_tick;	3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
3183	}	3662	}
3184		3663
3185	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
3186	next unless $info->{smooth};	3665	next unless $info->{smooth};
3187		3666
…		…
3190		3669
3191	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
3192	cf::face::set_smooth $idx, $smooth;	3671	cf::face::set_smooth $idx, $smooth;
3193	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3194	} else {	3673	} else {
3195	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
3196	}	3675	}
3197
3198	cf::cede_to_tick;
3199	}	3676	}
3200	}	3677	}
3201		3678
3202	{	3679	{
3203	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
3204		3681
3205	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
3206	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
3207	cf::cede_to_tick;
3208	}	3684	}
3209		3685
3210	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
3211	}	3687	}
3212		3688
3213	{	3689	{
3214	# TODO: for gcfclient pleasure, we should give resources
3215	# that gcfclient doesn't grok a >10000 face index.
3216	my $res = $facedata->{resource};	3690	my $res = $facedata->{resource};
3217		3691
3218	while (my ($name, $info) = each %$res) {	3692	while (my ($name, $info) = each %$res) {
3219	if (defined $info->{type}) {	3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
3220	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221	my $data;
3222		3696
3223	if ($info->{type} & 1) {
3224	# prepend meta info
3225
3226	my $meta = $enc->encode ({
3227	name => $name,
3228	%{ $info->{meta} || {} },
3229	});
3230
3231	$data = pack "(w/a*)*", $meta, $info->{data};
3232	} else {
3233	$data = $info->{data};
3234	}
3235
3236	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237	cf::face::set_type $idx, $info->{type};	3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
3238	} else {	3703	} else {
3239	$RESOURCE{$name} = $info;	3704	# $RESOURCE{$name} = $info; # unused
3240	}	3705	}
3241
3242	cf::cede_to_tick;
3243	}	3706	}
3244	}	3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
3245		3718
3246	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
3248	1	3723	1
3249	}	3724	}
3250
3251	cf::global->attach (on_resource_update => sub {
3252	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256	my $sound = $soundconf->{compat}[$_]
3257	or next;
3258
3259	my $face = cf::face::find "sound/$sound->[1]";
3260	cf::sound::set $sound->[0] => $face;
3261	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262	}
3263
3264	while (my ($k, $v) = each %{$soundconf->{event}}) {
3265	my $face = cf::face::find "sound/$v";
3266	cf::sound::set $k => $face;
3267	}
3268	}
3269	});
3270		3725
3271	register_exticmd fx_want => sub {	3726	register_exticmd fx_want => sub {
3272	my ($ns, $want) = @_;	3727	my ($ns, $want) = @_;
3273		3728
3274	while (my ($k, $v) = each %$want) {	3729	while (my ($k, $v) = each %$want) {
…		…
3282	my $status = load_resource_file_ $_[0];	3737	my $status = load_resource_file_ $_[0];
3283	get_slot 0.1, 100;	3738	get_slot 0.1, 100;
3284	cf::arch::commit_load;	3739	cf::arch::commit_load;
3285		3740
3286	$status	3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
3287	}	3756	}
3288		3757
3289	sub reload_regions {	3758	sub reload_regions {
3290	# HACK to clear player env face cache, we need some signal framework	3759	# HACK to clear player env face cache, we need some signal framework
3291	# for this (global event?)	3760	# for this (global event?)
…		…
3299	if exists $_->{match};	3768	if exists $_->{match};
3300	}	3769	}
3301	}	3770	}
3302		3771
3303	sub reload_facedata {	3772	sub reload_facedata {
3304	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
3305	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
3306	}	3775	}
3307		3776
3308	sub reload_archetypes {	3777	sub reload_archetypes {
3309	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
3310	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
3311	}	3792	}
3312		3793
3313	sub reload_treasures {	3794	sub reload_treasures {
3314	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
3315	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
3316	}	3797	}
3317		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
3318	sub reload_resources {	3819	sub reload_resources {
3319	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
3320		3821
		3822	reload_materials;
3321	reload_facedata;	3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
3322	reload_archetypes;	3826	reload_archetypes;
3323	reload_regions;	3827	reload_regions;
3324	reload_treasures;	3828	reload_treasures;
3325		3829
3326	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
3327	}
3328
3329	sub init {
3330	my $guard = freeze_mainloop;
3331
3332	evthread_start IO::AIO::poll_fileno;
3333
3334	reload_resources;
3335	}	3831	}
3336		3832
3337	sub reload_config {	3833	sub reload_config {
3338	open my $fh, "<:utf8", "$CONFDIR/config"	3834	trace "reloading config file...\n";
3339	or return;
3340		3835
3341	local $/;	3836	my $config = load_file "$CONFDIR/config";
3342	*CFG = YAML::Load <$fh>;	3837	utf8::decode $config;
		3838	*CFG = decode_yaml $config;
3343		3839
3344	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3345		3841
3346	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3347	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3348		3844
3349	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
3353	};	3849	};
3354	warn $@ if $@;	3850	warn $@ if $@;
3355	}	3851	}
3356	}	3852	}
3357		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
3358	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
3359	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
3360	local $Coro::idle = sub {	3893	$Coro::idle = sub {
3361	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3362	(async {	3895	(async {
3363	$Coro::current->{desc} = "IDLE BUG HANDLER";	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
3364	EV::loop EV::LOOP_ONESHOT;	3897	EV::loop EV::LOOP_ONESHOT;
3365	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
3366	};	3899	};
3367		3900
3368	{	3901	evthread_start IO::AIO::poll_fileno;
3369	my $guard = freeze_mainloop;	3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
		3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
3370	reload_config;	3915	reload_config;
3371	db_init;	3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
3372	load_extensions;	3925	load_extensions;
3373		3926
3374	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3927	utime time, time, $RUNTIMEFILE;
		3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
3375	}	3934	};
3376		3935
3377	EV::loop;	3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
3378	}	3944	}
3379		3945
3380	#############################################################################	3946	#############################################################################
3381	# initialisation and cleanup	3947	# initialisation and cleanup
3382		3948
3383	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
3384	BEGIN {	3950	BEGIN {
3385	our %SIGWATCHER = ();	3951	our %SIGWATCHER = ();
3386	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
3387	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3388	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
3389	};	3955	};
3390	}	3956	}
3391	}	3957	}
3392		3958
3393	sub write_runtime_sync {	3959	sub write_runtime_sync {
3394	my $runtime = "$LOCALDIR/runtime";	3960	my $t0 = AE::time;
3395		3961
3396	# first touch the runtime file to show we are still running:	3962	# first touch the runtime file to show we are still running:
3397	# the fsync below can take a very very long time.	3963	# the fsync below can take a very very long time.
3398		3964
3399	IO::AIO::aio_utime $runtime, undef, undef;	3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3400		3966
3401	my $guard = cf::lock_acquire "write_runtime";	3967	my $guard = cf::lock_acquire "write_runtime";
3402		3968
3403	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3404	or return;	3970	or return;
3405		3971
3406	my $value = $cf::RUNTIME + 90 + 10;	3972	my $value = $cf::RUNTIME + 90 + 10;
3407	# 10 is the runtime save interval, for a monotonic clock	3973	# 10 is the runtime save interval, for a monotonic clock
3408	# 60 allows for the watchdog to kill the server.	3974	# 60 allows for the watchdog to kill the server.
…		…
3418	aio_utime $fh, undef, undef;	3984	aio_utime $fh, undef, undef;
3419		3985
3420	close $fh	3986	close $fh
3421	or return;	3987	or return;
3422		3988
3423	aio_rename "$runtime~", $runtime	3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3424	and return;	3990	and return;
3425		3991
3426	warn "runtime file written.\n";	3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3427		3993
3428	1	3994	1
3429	}	3995	}
3430		3996
3431	our $uuid_lock;	3997	our $uuid_lock;
…		…
3440	my $uuid = "$LOCALDIR/uuid";	4006	my $uuid = "$LOCALDIR/uuid";
3441		4007
3442	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443	or return;	4009	or return;
3444		4010
3445	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
3446	$uuid_skip = 0;	4019	$uuid_skip = 0;
3447		4020
3448	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3449	and return;	4022	and return;
3450		4023
…		…
3456	or return;	4029	or return;
3457		4030
3458	aio_rename "$uuid~", $uuid	4031	aio_rename "$uuid~", $uuid
3459	and return;	4032	and return;
3460		4033
3461	warn "uuid file written ($value).\n";	4034	trace "uuid file written ($value).\n";
3462		4035
3463	1	4036	1
3464		4037
3465	}	4038	}
3466		4039
…		…
3472	}	4045	}
3473		4046
3474	sub emergency_save() {	4047	sub emergency_save() {
3475	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
3476		4049
3477	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
3478		4056
3479	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
3480	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
3481	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
3482	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
3483	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
3484	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
3485	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
3486	$pl->valid or next;	4066	$pl->valid or next;
3487	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3488	$pl->save;	4068	$pl->save;
3489	}	4069	}
3490	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
3491		4071
3492	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
3493	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
3494	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
3495	$map->valid or next;	4077	$map->valid or next;
3496	$map->save;	4078	$map->save;
3497	}	4079	}
3498	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
3499		4081
3500	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
3501	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
3502	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
3503		4087
3504	warn "begin write uuid\n";	4088	info "emergency_perl_save: begin write uuid\n";
3505	write_uuid_sync 1;	4089	write_uuid_sync 1;
3506	warn "end write uuid\n";	4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
3507	};	4110	};
3508		4111
3509	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
3510	}	4113	}
3511		4114
3512	sub post_cleanup {	4115	sub post_cleanup {
3513	my ($make_core) = @_;	4116	my ($make_core) = @_;
3514		4117
		4118	IO::AIO::flush;
		4119
3515	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
3516	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
3517	}	4125	}
3518		4126
3519	# a safer delete_package, copied from Symbol	4127	# a safer delete_package, copied from Symbol
3520	sub clear_package($) {	4128	sub clear_package($) {
3521	my $pkg = shift;	4129	my $pkg = shift;
…		…
3537	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538	for my $name (keys %$leaf_symtab) {	4146	for my $name (keys %$leaf_symtab) {
3539	_gv_clear *{"$pkg$name"};	4147	_gv_clear *{"$pkg$name"};
3540	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541	}	4149	}
3542	warn "cleared package #$pkg\n";#d#
3543	}	4150	}
3544
3545	our $RELOAD; # how many times to reload
3546		4151
3547	sub do_reload_perl() {	4152	sub do_reload_perl() {
3548	# can/must only be called in main	4153	# can/must only be called in main
3549	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
3550	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
3551	return;	4156	return;
3552	}	4157	}
3553		4158
3554	return if $RELOAD++;	4159	return if $RELOAD++;
3555		4160
		4161	my $t1 = AE::time;
		4162
3556	while ($RELOAD) {	4163	while ($RELOAD) {
3557	warn "reloading...";	4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
3558		4166
3559	warn "entering sync_job";	4167	trace "perl_reload: entering sync_job";
3560		4168
3561	cf::sync_job {	4169	cf::sync_job {
3562	cf::write_runtime_sync; # external watchdog should not bark
3563	cf::emergency_save;	4170	#cf::emergency_save;
3564	cf::write_runtime_sync; # external watchdog should not bark
3565		4171
3566	warn "syncing database to disk";
3567	BDB::db_env_txn_checkpoint $DB_ENV;
3568
3569	# if anything goes wrong in here, we should simply crash as we already saved
3570
3571	warn "flushing outstanding aio requests";
3572	while (IO::AIO::nreqs || BDB::nreqs) {
3573	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3574	}
3575
3576	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
3577	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
3578	%EXT_CORO = ();	4174	%EXT_CORO = ();
3579		4175
3580	warn "removing commands";	4176	trace "perl_reload: removing commands";
3581	%COMMAND = ();	4177	%COMMAND = ();
3582		4178
3583	warn "removing ext/exti commands";	4179	trace "perl_reload: removing ext/exti commands";
3584	%EXTCMD = ();	4180	%EXTCMD = ();
3585	%EXTICMD = ();	4181	%EXTICMD = ();
3586		4182
3587	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
3588	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
3589	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
3590		4186
3591	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
3592	eval {	4188	eval {
3593	$cb->($pkg);	4189	$cb->($pkg);
3594	1	4190	1
3595	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
3596	}	4192	}
3597		4193
3598	warn "... clearing $pkg";	4194	trace "... clearing $pkg";
3599	clear_package $pkg;	4195	clear_package $pkg;
3600	}	4196	}
3601		4197
3602	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3603	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
3604	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605		4201
3606	warn "... unloading $k";	4202	trace "... unloading $k";
3607	delete $INC{$k};	4203	delete $INC{$k};
3608		4204
3609	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
3610	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
3611		4207
…		…
3614	}	4210	}
3615		4211
3616	clear_package $k;	4212	clear_package $k;
3617	}	4213	}
3618		4214
3619	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
3620	clear_package "safe::$_"	4216	clear_package "safe::$_"
3621	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3622		4218
3623	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
3624	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
3625	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3626		4222
3627	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
3628	# and global variables created in xs	4224	# and global variables created in xs
3629	#clear_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
3630		4226
3631	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
3632		4228
3633	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
3634	require cf;	4230	require cf;
3635	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
3636		4232
3637	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
3638	cf::reload_config;	4234	cf::reload_config;
3639		4235
3640	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
3641	cf::load_extensions;	4237	cf::load_extensions;
3642		4238
		4239	if ($REATTACH_ON_RELOAD) {
3643	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
3644	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
3645	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
3646	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
3647	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
3648	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
3649		4247
3650	warn "leaving sync_job";	4248	cf::_post_init 1;
		4249
		4250	trace "perl_reload: leaving sync_job";
3651		4251
3652	1	4252	1
3653	} or do {	4253	} or do {
3654	warn $@;	4254	error $@;
3655	cf::cleanup "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
3656	};	4256	};
3657		4257
3658	warn "reloaded";
3659	--$RELOAD;	4258	--$RELOAD;
3660	}	4259	}
		4260
		4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
3661	};	4263	};
3662		4264
3663	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
3664		4266
3665	sub reload_perl() {	4267	sub reload_perl() {
3666	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
3667	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
3668		4270
		4271	$RELOAD_WATCHER ||= cf::async {
		4272	Coro::AIO::aio_wait cache_extensions;
		4273
3669	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3670	do_reload_perl;	4275	do_reload_perl;
3671	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
		4277	};
3672	};	4278	};
3673	}	4279	}
3674		4280
3675	register_command "reload" => sub {	4281	register_command "reload" => sub {
3676	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
…		…
3682	reload_perl;	4288	reload_perl;
3683	};	4289	};
3684	}	4290	}
3685	};	4291	};
3686		4292
3687	unshift @INC, $LIBDIR;	4293	#############################################################################
3688		4294
3689	my $bug_warning = 0;	4295	my $bug_warning = 0;
3690		4296
3691	our @WAIT_FOR_TICK;
3692	our @WAIT_FOR_TICK_BEGIN;
3693
3694	sub wait_for_tick {	4297	sub wait_for_tick() {
3695	return if tick_inhibit || $Coro::current == $Coro::main;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3696		4299
3697	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
3698	push @WAIT_FOR_TICK, $signal;
3699	$signal->wait;
3700	}	4301	}
3701		4302
3702	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
3703	return if tick_inhibit || $Coro::current == $Coro::main;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3704		4305
3705	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
3706	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
3707	$signal->wait;	4308	$signal->wait;
3708	}	4309	}
…		…
3712	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3713	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
3714	return;	4315	return;
3715	}	4316	}
3716		4317
3717	cf::server_tick; # one server iteration	4318	cf::one_tick; # one server iteration
		4319
		4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3718		4321
3719	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3720	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3721	Coro::async_pool {	4324	Coro::async_pool {
3722	$Coro::current->{desc} = "runtime saver";	4325	$Coro::current->{desc} = "runtime saver";
3723	write_runtime_sync	4326	write_runtime_sync
3724	or warn "ERROR: unable to write runtime file: $!";	4327	or error "ERROR: unable to write runtime file: $!";
3725	};	4328	};
3726	}	4329	}
3727		4330
3728	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729	$sig->send;	4332	$sig->send;
3730	}	4333	}
3731	while (my $sig = shift @WAIT_FOR_TICK) {	4334	$WAIT_FOR_TICK->broadcast;
3732	$sig->send;
3733	}
3734		4335
3735	$LOAD = ($NOW - $TICK_START) / $TICK;	4336	$LOAD = ($NOW - $TICK_START) / $TICK;
3736	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737		4338
3738	if (0) {	4339	if (0) {
3739	if ($NEXT_TICK) {	4340	if ($NEXT_TICK) {
3740	my $jitter = $TICK_START - $NEXT_TICK;	4341	my $jitter = $TICK_START - $NEXT_TICK;
3741	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742	warn "jitter $JITTER\n";#d#	4343	debug "jitter $JITTER\n";#d#
3743	}	4344	}
3744	}	4345	}
3745	}	4346	}
3746		4347
3747	{	4348	{
3748	# configure BDB	4349	# configure BDB
		4350	info "initialising database";
3749		4351
3750	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
3751	BDB::max_poll_reqs $TICK * 0.1;	4353	BDB::max_poll_reqs $TICK * 0.1;
3752	$AnyEvent::BDB::WATCHER->priority (1);	4354	#$AnyEvent::BDB::WATCHER->priority (1);
3753		4355
3754	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
3755	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
3756	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3782	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783	};	4385	};
3784	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786	};	4388	};
		4389
		4390	info "database initialised";
3787	}	4391	}
3788		4392
3789	{	4393	{
3790	# configure IO::AIO	4394	# configure IO::AIO
3791		4395
		4396	info "initialising aio";
3792	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
3793	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
3794	undef $AnyEvent::AIO::WATCHER;	4399	undef $AnyEvent::AIO::WATCHER;
		4400	info "aio initialised";
3795	}	4401	}
3796		4402
3797	my $_log_backtrace;	4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
3798		4405
3799	sub _log_backtrace {	4406	sub _log_backtrace {
3800	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
3801		4408
3802	$msg =~ s/\n//;	4409	$msg =~ s/\n$//;
3803		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3804	# limit the # of concurrent backtraces	4414	# limit the # of concurrent backtraces
3805	if ($_log_backtrace < 2) {	4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
3806	++$_log_backtrace;	4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
3807	async {	4419	async {
3808	$Coro::current->{desc} = "abt $msg";	4420	$Coro::current->{desc} = "abt $msg";
3809		4421
3810	my @bt = fork_call {	4422	my @bt = fork_call {
3811	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
…		…
3822	}	4434	}
3823		4435
3824	@funcs	4436	@funcs
3825	};	4437	};
3826		4438
3827	LOG llevInfo, "[ABT] $msg\n";	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3828	LOG llevInfo, "[ABT] $_\n" for @bt;	4441	LOG llevInfo, "[ABT] $_\n" for @bt;
3829	--$_log_backtrace;	4442	--$_log_backtrace;
3830	};	4443	};
3831	} else {	4444	} else {
3832	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
3833	LOG llevInfo, "[ABT] [suppressed]\n";	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3834	}	4447	}
3835	}	4448	}
3836		4449
3837	# load additional modules	4450	# load additional modules
3838	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
3839		4453
3840	END { cf::emergency_save }	4454	END { cf::emergency_save }
3841		4455
3842	1	4456	1
3843		4457

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