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Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC vs.
Revision 1.599 by root, Sun Nov 11 04:29:11 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
39	use Coro::AnyEvent;	45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61		67
62	# configure various modules to our taste	68	# configure various modules to our taste
63	#	69	#
64	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		78
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		81
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
71		85
72	our %COMMAND = ();	86	our %COMMAND = ();
73	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
74		88
75	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
80		96
81	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
83		101
84	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
85	our $DATADIR = datadir;	104	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
89	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
95	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
96		125
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	128	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		130
102	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	134	our $DB_ENV;
106		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
107	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		140
109	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
111	our $NOW;	144	our $NOW;
112		145
113	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	155	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
124		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
125	binmode STDOUT;	166	binmode STDOUT;
126	binmode STDERR;	167	binmode STDERR;
127		168
128	# read virtual server time, if available	169	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
133	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
134		177
135	mkdir $_	178	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		180
138	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
139		182
140	sub cf::map::normalise;	183	sub cf::map::normalise;
141		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
142	#############################################################################	189	#############################################################################
143		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
144	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
145		203
146	=over 4	204	=over 4
147		205
148	=item $cf::UPTIME	206	=item $cf::UPTIME
149		207
150	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
151		224
152	=item $cf::RUNTIME	225	=item $cf::RUNTIME
153		226
154	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
155	every server tick.	228	every server tick.
156		229
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		233
161	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
164	database environment.	237	database environment.
165		238
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	239	=item $cf::LOADAVG
175		240
176	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
187	from wherever your confdir points to.	252	from wherever your confdir points to.
188		253
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		255
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
192	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
194		277
195	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
196		279
197	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	282	that call.
200		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
201	=back	290	=back
202		291
203	=cut	292	=cut
204		293
205	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
206	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
207	my $msg = join "", @_;	301	my $msg = join "", @_;
208		302
209	$msg .= "\n"	303	$msg .= "\n"
210	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
211		305
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		307
214	LOG llevError, $msg;	308	LOG llevWarn, $msg;
215	};	309	};
216	}
217		310
218	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
220		313
221	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	318	return;#d#
224	}#d#	319	}#d#
225		320
226	# kill coroutine otherwise	321	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	322	Coro::terminate
229	};	323	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		324
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	335	for my $pkg (qw(
244	cf::global cf::attachable	336	cf::global cf::attachable
245	cf::object cf::object::player	337	cf::object cf::object::player
246	cf::client cf::player	338	cf::client cf::player
247	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
248	cf::map cf::party cf::region	341	cf::party cf::region
249	)) {	342	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	344	}
253		345
254	$EV::DIED = sub {	346	$EV::DIED = sub {
255	warn "error in event callback: @_";	347	warn "error in event callback: $@";
256	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
257		354
258	#############################################################################	355	#############################################################################
259		356
260	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
261		358
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	380	$d
284	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
285	}	382	}
286		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
287	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
288		437
289	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
290		439
291	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		447
299	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
301		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
302	=item cf::lock_wait $string	513	=item cf::lock_wait $string
303		514
304	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
305		516
306	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
307		518
308	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
309	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,
310	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
311	returned.	522	returned.
312		523
313	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
314	deadlocked coro.	525	deadlocked coro.
…		…
320		531
321	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.
322		533
323	=cut	534	=cut
324		535
325	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		537
328	sub lock_wait($) {	538	sub lock_wait($) {
329	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	540	}
342		541
343	sub lock_acquire($) {	542	sub lock_acquire($) {
344	my ($key) = @_;	543	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	544	}
358		545
359	sub lock_active($) {	546	sub lock_active($) {
360	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	548	}
364		549
365	sub freeze_mainloop {	550	sub freeze_mainloop {
366	tick_inhibit_inc;	551	tick_inhibit_inc;
367		552
368	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
369	}	554	}
370		555
371	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
372		557
373	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
374	get spread over timer.	559	get spread over time.
375		560
376	=cut	561	=cut
377		562
378	sub periodic($$) {	563	sub periodic($$) {
379	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
384	}	569	}
385		570
386	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
387		572
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
391		580
392	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
393	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
394		583
395	Useful for short background jobs.	584	Useful for short background jobs.
396		585
397	=cut	586	=cut
398		587
399	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
401		591
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
405		595
406	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
407		598
408	while () {	599	while () {
409	next_job:	600	next_job:
		601
410	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	603
412	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	608	$job->[2]->send;
416	Coro::cede;	609	Coro::cede;
417	goto next_job;	610	goto next_job;
418	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	613	}
420	}	614	}
421		615
422	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
423	# 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
424	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
425	$signal->wait;
426	} else {	619	} else {
		620	$busy = 0;
427	Coro::schedule;	621	Coro::schedule;
428	}	622	}
429	}	623	}
430	};	624	};
431		625
432	sub get_slot($;$$) {	626	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
434		628
435	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
436		630
437	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
438	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
439		634
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
468	=cut	663	=cut
469		664
470	sub sync_job(&) {	665	sub sync_job(&) {
471	my ($job) = @_;	666	my ($job) = @_;
472		667
473	if ($Coro::current == $Coro::main) {	668	if (in_main) {
474	my $time = EV::time;	669	my $time = AE::time;
475		670
476	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
478		673
479	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
480		675
481	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
482		677
483	my $busy = 1;	678	my $busy = 1;
484	my @res;	679	my @res;
485		680
486	(async {	681	(async {
487	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	683	@res = eval { $job->() };
489	warn $@ if $@;	684	error $@ if $@;
490	undef $busy;	685	undef $busy;
491	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
492		687
493	while ($busy) {	688	while ($busy) {
494	if (Coro::nready) {	689	if (Coro::nready) {
…		…
496	} else {	691	} else {
497	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
498	}	693	}
499	}	694	}
500		695
501	my $time = EV::time - $time;	696	my $time = AE::time - $time;
502		697
503	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
504		699
505	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
506	} else {	701	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
529		724
530	$coro	725	$coro
531	}	726	}
532		727
533	=item fork_call { }, $args	728	=item fork_call { }, @args
534		729
535	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
539		734
540	=cut	735	=cut
541		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
542	sub fork_call(&@) {	741	sub fork_call(&@) {
543	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
544		743
545	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
548		747
549	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
550	reset_signals;	749	cf::post_fork;
551	&$cb	750	&$cb
552	}, @args;	751	} @args;
553		752
554	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
555	}	765	}
556		766
557	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
558		768
559	=cut	769	=cut
…		…
596	within each server.	806	within each server.
597		807
598	=cut	808	=cut
599		809
600	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
601	my ($name) = @_;	814	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
603		816
604	eval {	817	eval {
605	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
615	}	828	}
616		829
617	our $DB;	830	our $DB;
618		831
619	sub db_init {	832	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	833	$DB ||= db_table "db";
622	};
623	}	834	}
624		835
625	sub db_get($$) {	836	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
627		838
628	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
629	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
630		843
631	$! ? ()	844	$! ? ()
632	: $data	845	: $data
633	}
634	}	846	}
635		847
636	sub db_put($$$) {	848	sub db_put($$$) {
637	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		878
667	my @data;	879	my @data;
668	my $md5;	880	my $md5;
669		881
670	for (0 .. $#$src) {	882	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	884	}
674		885
675	# if processing is expensive, check	886	# if processing is expensive, check
676	# checksum first	887	# checksum first
677	if (1) {	888	if (1) {
…		…
690		901
691	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
692	}	903	}
693	}	904	}
694		905
695	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
696	my $data = $process->(\@data);	907	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
698		909
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		911
701	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
704		915
…		…
714		925
715	=cut	926	=cut
716		927
717	sub datalog($@) {	928	sub datalog($@) {
718	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	931	}
721		932
722	=back	933	=back
723		934
724	=cut	935	=cut
725		936
726	#############################################################################	937	#############################################################################
727		938
728	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
729		940
730	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
733		944
734	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
786		997
787	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
789		1000
790	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
792		1003
793	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
794		1005
795	=over 4	1006	=over 4
…		…
919		1130
920	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1133
923	} elsif (ref $type) {	1134	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
925		1136
926	} else {	1137	} else {
927	shift @arg;	1138	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
929	}	1140	}
930	}	1141	}
931	}	1142	}
932		1143
933	sub _object_attach {	1144	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
944	}	1155	}
945		1156
946	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
947	} else {	1158	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1160	}
950		1161
951	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
952	}	1163	}
953		1164
…		…
1012		1223
1013	for (@$callbacks) {	1224	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1015		1226
1016	if ($@) {	1227	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1229	override;
1020	}	1230	}
1021		1231
1022	return 1 if $override;	1232	return 1 if $override;
1023	}	1233	}
…		…
1086		1296
1087	sub reattach {	1297	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1299	my ($obj) = @_;
1090		1300
		1301	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1303
1093	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1094		1305
1095	@$registry = ();	1306	@$registry = ();
1096		1307
…		…
1101	for (@$attach) {	1312	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1104	}	1315	}
1105	} else {	1316	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1318	}
1108	}	1319	}
1109	}	1320	}
1110		1321
1111	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1139		1350
1140	sync_job {	1351	sync_job {
1141	if (length $$rdata) {	1352	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1145		1357
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
1150	aio_close $fh;	1365	aio_close $fh;
1151		1366
1152	if (@$objs) {	1367	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
1158	aio_close $fh;	1376	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1378	}
1161	} else {	1379	} else {
1162	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1163	}	1381	}
1164		1382
1165	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1387	} else {
1167	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1168	}	1389	}
1169	} else {	1390	} else {
1170	aio_unlink $filename;	1391	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1172	}	1393	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1418	$av = $st->{objs};
1198	}	1419	}
1199		1420
1200	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1203		1425
1204	($data, $av)	1426	($data, $av)
1205	}	1427	}
1206		1428
1207	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1433	=cut
1212		1434
1213	#############################################################################	1435	#############################################################################
1214	# command handling &c	1436	# command handling &c
1215		1437
1216	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1217		1439
1218	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1219	$name.	1441	$name.
1220		1442
1221	=cut	1443	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1228		1450
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1452	}
1231		1453
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1455
1234	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1235	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1236	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1237	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1238	has logged in successfully.	1460	has logged in successfully.
1239		1461
1240	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1241	called.
1242		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1470
1245	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1246	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1247	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1248	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1249	log-in.	1475	log-in.
1250		1476
1251	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1252	called.
1253		1478
1254	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1256	sub register_extcmd {	1486	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1258		1488
1259	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1260	}	1490	}
1261		1491
1262	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1264		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1265	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1266	}	1502	}
1267		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1268	cf::player->attach (	1512	cf::player->attach (
1269	on_command => sub {	1513	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1271		1515
1272	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1273	or return;	1517	or return;
1274		1518
…		…
1282	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1283		1527
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1529
1286	if (ref $msg) {	1530	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1532
1292	my @reply;
1293
1294	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1295	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1296	}	1551	}
1297		1552
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1553	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1555	}
1304		1556
1305	cf::override;	1557	cf::override;
1306	},	1558	},
1307	);	1559	);
1308		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1309	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1310	cf::sync_job {	1590	cf::sync_job {
1311	my %todo;	1591	my %todo;
1312		1592
1313	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1594	next unless -r $path;
…		…
1332		1612
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1615
1336	$ext{source} =	1616	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1339	. $source	1619	. $source
1340	. "\n};\n1";	1620	. "\n};\n1";
1341		1621
1342	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1343	}	1623	}
1344		1624
		1625	my $pass = 0;
1345	my %done;	1626	my %done;
1346	while (%todo) {	1627	while (%todo) {
1347	my $progress;	1628	my $progress;
1348		1629
		1630	++$pass;
		1631
		1632	ext:
1349	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1635	next ext
1352	unless exists $done{$_};	1636	unless exists $done{$_};
1353	}	1637	}
1354		1638
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1640
1357	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1654
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1656	if exists $v->{meta}{mandatory};
1365		1657
1366	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1367	}	1667	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1668	}
1373		1669
1374	skip:	1670	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1377	}	1680	}
1378	};	1681	};
1379	}	1682	}
1380		1683
1381	#############################################################################	1684	#############################################################################
1382		1685
1383	=back	1686	=back
1384		1687
1385	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1386		1689
1387	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1388		1691
1389	=cut	1692	=cut
1390		1693
1391	package cf::player;	1694	package cf::player;
1392		1695
…		…
1435		1738
1436	sub exists($) {	1739	sub exists($) {
1437	my ($login) = @_;	1740	my ($login) = @_;
1438		1741
1439	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1441	}	1744	}
1442		1745
1443	sub find($) {	1746	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1748	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1466	}	1769	}
1467	}	1770	}
1468	}	1771	}
1469		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1470	sub save($) {	1786	sub save($) {
1471	my ($pl) = @_;	1787	my ($pl) = @_;
1472		1788
1473	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1474		1790
…		…
1479		1795
1480	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1482		1798
1483	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1803
1485	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1805	cf::cede_to_tick;
1487	}	1806	}
1488		1807
…		…
1520	my ($pl) = @_;	1839	my ($pl) = @_;
1521		1840
1522	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1523		1842
1524	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1845
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1847	$pl->deactivate;
		1848
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1532	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1533		1854
1534	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1590	\@logins	1911	\@logins
1591	}	1912	}
1592		1913
1593	=item $player->maps	1914	=item $player->maps
1594		1915
		1916	=item cf::player::maps $login
		1917
1595	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1596	player. May block.	1919	player. May block.
1597		1920
1598	=cut	1921	=cut
1599		1922
…		…
1616	}	1939	}
1617		1940
1618	\@paths	1941	\@paths
1619	}	1942	}
1620		1943
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1945
1623	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1947
1726	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1727		1949
1728	Sends an ext event to the client.	1950	Sends an ext event to the client.
1729		1951
…		…
1749		1971
1750	=cut	1972	=cut
1751		1973
1752	sub find_by_path($) {	1974	sub find_by_path($) {
1753	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1754		1978
1755	my ($match, $specificity);	1979	my ($match, $specificity);
1756		1980
1757	for my $region (list) {	1981	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2011	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1789		2013
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		2015
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2017	}
1807		2018
1808	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1809		2020
1810	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1815		2026
1816	sub register {	2027	sub register {
1817	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2029	my $pkg = caller;
1819		2030
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2032
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2034	}
1825		2035
1826	# also paths starting with '/'	2036	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2038
1829	sub thawer_merge {	2039	sub thawer_merge {
1830	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1831		2041
1832	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1837	}	2047	}
1838		2048
1839	sub normalise {	2049	sub normalise {
1840	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1841		2051
1842	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1843		2053
1844	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1845		2055
1846	# map plan:	2056	# map plan:
1847	#	2057	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2073	$path = "$base/$path";
1864	}	2074	}
1865		2075
1866	for ($path) {	2076	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1870	}	2079	}
1871		2080
1872	$path	2081	$path
…		…
1886	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1887	return $self;	2096	return $self;
1888	}	2097	}
1889	}	2098	}
1890		2099
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2101	()
1893	}	2102	}
1894		2103
		2104	# may re-bless or do other evil things
1895	sub init {	2105	sub init {
1896	my ($self) = @_;	2106	my ($self) = @_;
1897		2107
1898	$self	2108	$self
1899	}	2109	}
…		…
1930		2140
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1933	}	2143	}
1934		2144
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2145	sub decay_objects {
1945	my ($self) = @_;	2146	my ($self) = @_;
1946		2147
1947	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1948		2149
…		…
1973	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1974		2175
1975	1	2176	1
1976	}	2177	}
1977		2178
		2179	# used to laod the header of an original map
1978	sub load_header_orig {	2180	sub load_header_orig {
1979	my ($self) = @_;	2181	my ($self) = @_;
1980		2182
1981	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1982	}	2184	}
1983		2185
		2186	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2187	sub load_header_temp {
1985	my ($self) = @_;	2188	my ($self) = @_;
1986		2189
1987	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1988	}	2191	}
1989		2192
		2193	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2194	sub prepare_temp {
1991	my ($self) = @_;	2195	my ($self) = @_;
1992		2196
1993	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1995	# safety	2199	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2202	}
1999		2203
		2204	# called after loading the header from an original map
2000	sub prepare_orig {	2205	sub prepare_orig {
2001	my ($self) = @_;	2206	my ($self) = @_;
2002		2207
2003	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2233
2029	sub find;	2234	sub find;
2030	sub find {	2235	sub find {
2031	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2032		2237
		2238	cf::cede_to_tick;
		2239
2033	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2034		2241
2035	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2244
2038	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2043	or return;	2247	or return;
2044		2248
2045	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2046		2250
…		…
2058		2262
2059	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2060	}	2264	}
2061	}	2265	}
2062		2266
2063	sub pre_load { }	2267	sub pre_load { }
2064	sub post_load { }	2268	#sub post_load { } # XS
2065		2269
2066	sub load {	2270	sub load {
2067	my ($self) = @_;	2271	my ($self) = @_;
2068		2272
2069	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2276
2073	{	2277	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2075		2279
2076	return unless $self->valid;	2280	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2282
2081	$self->alloc;	2283	$self->alloc;
2082		2284
2083	$self->pre_load;	2285	$self->pre_load;
2084	cf::cede_to_tick;	2286	cf::cede_to_tick;
2085		2287
		2288	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2290	$f->skip_block;
2088	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2089	or return;	2292	or return;
2090		2293
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2092	if delete $self->{load_original};	2295	if delete $self->{load_original};
2093		2296
2094	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2298	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2301	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2101	}	2305	}
2102	}	2306	}
2103	}
2104		2307
2105	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2106		2315
2107	cf::cede_to_tick;	2316	cf::cede_to_tick;
2108	# now do the right thing for maps	2317	# now do the right thing for maps
2109	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2324	$self->decay_objects;
2116	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2117	$self->update_buttons;	2326	$self->update_buttons;
2118	cf::cede_to_tick;	2327	cf::cede_to_tick;
2119	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2329	}
2123		2330
2124	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2333	}
2129		2334
2130	$self->post_load;	2335	$self->post_load;
2131	}
2132		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2343	sub customise_for {
2134	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2135		2345
2136	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2347	if $self->per_player;
…		…
2140	# if $self->per_party;	2350	# if $self->per_party;
2141		2351
2142	$self	2352	$self
2143	}	2353	}
2144		2354
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2355	sub find_sync {
2172	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2173		2357
2174	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2175	}	2363	}
2176		2364
2177	sub do_load_sync {	2365	sub do_load_sync {
2178	my ($map) = @_;	2366	my ($map) = @_;
2179		2367
		2368	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2182		2371
2183	cf::sync_job { $map->load };	2372	$map->load;
2184	}	2373	}
2185		2374
2186	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2188		2377
2189	sub find_async {	2378	sub find_async {
2190	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2191		2380
2192	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2193		2382
2194	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2196	}	2385	}
2197		2386
2198	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2199		2388
2200	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2214	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2215		2404
2216	()	2405	()
2217	}	2406	}
2218		2407
		2408	# common code, used by both ->save and ->swapout
2219	sub save {	2409	sub _save {
2220	my ($self) = @_;	2410	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2411
2224	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2225		2413
2226	return unless $self->dirty;	2414	return unless $self->dirty;
2227		2415
…		…
2247	} else {	2435	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2437	}
2250	}	2438	}
2251		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2252	sub swap_out {	2448	sub swap_out {
2253	my ($self) = @_;	2449	my ($self) = @_;
2254		2450
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2260	return if $self->players;	2455	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2262	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2263		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2264	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2265		2507
2266	$self->deactivate;	2508	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2510	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2511
2314	$self->unlink_save;	2512	$self->unlink_save;
2315	$self->destroy;	2513	$self->destroy;
2316	}	2514	}
2317		2515
…		…
2325		2523
2326	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2327		2525
2328	$self->unlink_save;	2526	$self->unlink_save;
2329		2527
2330	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2533
…		…
2392	: normalise $_	2590	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2592	]
2395	}	2593	}
2396		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2397	=back	2627	=back
2398		2628
2399	=head3 cf::object	2629	=head3 cf::object
2400		2630
2401	=cut	2631	=cut
…		…
2466		2696
2467	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2468	id => "say",	2698	id => "say",
2469	title => "Map",	2699	title => "Map",
2470	reply => "say ",	2700	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2702	};
2473		2703
2474	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2475	id => "chat",	2705	id => "chat",
2476	title => "Chat",	2706	title => "Chat",
…		…
2531		2761
2532	=item $player_object->enter_link	2762	=item $player_object->enter_link
2533		2763
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2765
2536	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2538		2770
2539	Will never block.	2771	Will never block.
2540		2772
2541	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2542		2774
…		…
2562	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2795	my ($self) = @_;
2564		2796
2565	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2566		2798
		2799	++$self->{_link_recursion};
		2800
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2802
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2571		2805
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2807	}
2574		2808
2575	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2577		2811
…		…
2594	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2596		2830
2597	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2600		2834
2601	$map->load;	2835	$map->load;
2602	$map->load_neighbours;
2603		2836
2604	return unless $self->contr->active;	2837	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2838
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2609	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2610		2846
		2847	}
		2848
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2850
2613	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2855	be called at the end of this process.
2618		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2619	=cut	2860	=cut
2620		2861
2621	our $GOTOGEN;	2862	our $GOTOGEN;
2622		2863
2623	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2625		2872
2626	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2875
2629	$self->enter_link;	2876	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2650	}	2897	}
2651	}	2898	}
2652		2899
2653	my $map = eval {	2900	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2902
2656	if ($map) {	2903	if ($map) {
2657	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2906	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2908	}
2662		2909
2663	$map	2910	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2674	}	2921	}
2675		2922
2676	$done->() if $done;	2923	$done->($self) if $done;
2677	})->prio (1);	2924	})->prio (1);
2678	}	2925	}
2679		2926
2680	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2681		2928
…		…
2749	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2750		2997
2751	unless (eval {	2998	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2753		3000
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
2765		3027
2766	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2767		3029
2768	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2771		3033
2772	1	3034	1
2773	}) {	3035	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3040
2779	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3042	$self->leave_link;
2781	}	3043	}
2782	})->prio (1);	3044	})->prio (1);
2783	}	3045	}
2784		3046
…		…
2796	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2797	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2798		3060
2799	utf8::encode $text;	3061	utf8::encode $text;
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2801	}	3088	}
2802		3089
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3091
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2809		3096
2810	=cut	3097	=cut
2811		3098
2812	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2814	"c/identify" => {	3107	"c/identify" => {
2815	id => "infobox",	3108	id => "infobox",
2816	title => "Identify",	3109	title => "Identify",
2817	reply => undef,	3110	reply => undef,
2818	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3113	"c/examine" => {
2821	id => "infobox",	3114	id => "infobox",
2822	title => "Examine",	3115	title => "Examine",
2823	reply => undef,	3116	reply => undef,
2824	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3124	},
2826	"c/book" => {	3125	"c/book" => {
2827	id => "infobox",	3126	id => "infobox",
2828	title => "Book",	3127	title => "Book",
2829	reply => undef,	3128	reply => undef,
…		…
2845	id => "infobox",	3144	id => "infobox",
2846	title => "Body Parts",	3145	title => "Body Parts",
2847	reply => undef,	3146	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2849	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2850	"c/uptime" => {	3185	"c/uptime" => {
2851	id => "infobox",	3186	id => "infobox",
2852	title => "Uptime",	3187	title => "Uptime",
2853	reply => undef,	3188	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3198	id => "party",
2864	title => "Party",	3199	title => "Party",
2865	reply => "gsay ",	3200	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2867	},	3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2868	);	3211	);
2869		3212
2870	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3215
2873	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2874		3218
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3220
2877	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2880		3224
2881	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3226	$channel = $channel->{id};
2885		3227
2886	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3233	}
2893		3234
2894	$channel = $channel->{id};	3235	$channel = $channel->{id};
2895	}	3236	}
2896		3237
2897	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2898		3239
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3240	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2903		3243
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3247	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3248
2918	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3250	}
2932		3251
2933	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2934		3253
2935	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2937	=cut	3256	=cut
2938		3257
2939	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2941		3260
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}
2949
2950	=item $client->ext_reply ($msgid, @msg)
2951
2952	Sends an ext reply to the client.
2953
2954	=cut
2955
2956	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;
2958
2959	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}
2966	}	3262	}
2967		3263
2968	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2969		3265
2970	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3025	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3026		3322
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3324
3029	if (ref $msg) {	3325	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3031	"ARRAY" eq ref $msg
3032	? @$msg
3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034		3327
3035	my @reply;
3036
3037	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3038	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3039	}	3346	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3347	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3349	}
3047		3350
3048	cf::override;	3351	cf::override;
3049	},	3352	},
3050	);	3353	);
…		…
3070		3373
3071	$coro	3374	$coro
3072	}	3375	}
3073		3376
3074	cf::client->attach (	3377	cf::client->attach (
3075	on_destroy => sub {	3378	on_client_destroy => sub {
3076	my ($ns) = @_;	3379	my ($ns) = @_;
3077		3380
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3382	},
3080	);	3383	);
…		…
3096	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3097		3400
3098	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3099		3402
3100	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3103	sort time	3406	sort time
3104	));	3407	));
3105		3408
3106	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3111		3414
3112	cf::object	3415	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3115		3419
3116	cf::object::player	3420	cf::object::player
3117	player	3421	player
3118		3422
3119	cf::player	3423	cf::player
…		…
3125	=cut	3429	=cut
3126		3430
3127	for (	3431	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3134	) {	3438	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3441	for @funs;
3139	}	3442	}
3140		3443
…		…
3155		3458
3156	my $qcode = $code;	3459	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3159		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3160	local $_;	3466	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3467
3163	my $eval =	3468	my $eval =
3164	"do {\n"	3469	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3472	. $code
3168	. "\n}"	3473	. "\n}"
3169	;	3474	;
3170		3475
		3476	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3174		3485
3175	if ($@) {	3486	if ($@) {
3176	warn "$@";	3487	warn "$@",
3177	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3179	}	3490	}
3180		3491
3181	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3182	}	3493	}
3183		3494
…		…
3197	=cut	3508	=cut
3198		3509
3199	sub register_script_function {	3510	sub register_script_function {
3200	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3201		3512
3202	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3204	}	3515	}
3205		3516
3206	=back	3517	=back
3207		3518
3208	=cut	3519	=cut
3209		3520
3210	#############################################################################	3521	#############################################################################
3211	# the server's init and main functions	3522	# the server's init and main functions
3212		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525	our @FACEDATA; # dynamically-created facedata
		3526
		3527	# internal api, not fianlised
		3528	sub set_face {
		3529	my ($name, $type, $data) = @_;
		3530
		3531	my $idx = cf::face::find $name;
		3532
		3533	if ($idx) {
		3534	delete $FACEHASH{cf::face::get_chksum $idx};
		3535	} else {
		3536	$idx = cf::face::alloc $name;
		3537	}
		3538
		3539	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3540
		3541	cf::face::set_type $idx, $type;
		3542	cf::face::set_data $idx, 0, (length $data), 0, $hash;
		3543	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3544
		3545	# we need to destroy the SV itself, not just overwrite,
		3546	# as a running ix might hold a reference to it.
		3547	# delete achieves that.
		3548	delete $FACEDATA[$idx];
		3549	$FACEDATA[$idx] = $data;
		3550	$FACEHASH{$hash} = $idx;#d#
		3551
		3552	$idx
		3553	}
		3554
		3555	our $FACEDATA; # facedata filehandle
		3556
		3557	sub _face_get_data($$$$) {
		3558	my ($idx, $size, $fofs, $cb) = @_;
		3559
		3560	if (defined $FACEDATA[$idx]) {
		3561	$cb->($FACEDATA[$idx]);
		3562	} elsif ($fofs) {
		3563	my $buf;
		3564	IO::AIO::aio_read $FACEDATA, $fofs, $size, $buf, 0, sub {
		3565	if ($_[0] == $size) {
		3566	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3567	$cb->($buf);
		3568	} else {
		3569	cf::error "INTERNAL ERROR: unable to read facedata for face $idx ($size, $fofs), ignoring request.";
		3570	}
		3571	};
		3572	} else {
		3573	cf::error "requested facedata for unknown face $idx ($size, $fofs), ignoring.";
		3574	}
		3575	}
		3576
		3577	# rather ineffient
		3578	sub cf::face::get_data($;$) {
		3579	my ($idx, $faceset) = @_;
		3580
		3581	my $size = cf::face::get_size $idx, $faceset;
		3582	my $fofs = cf::face::get_fofs $idx, $faceset;
		3583
		3584	_face_get_data $idx, $size, $fofs, Coro::rouse_cb;
		3585	Coro::rouse_wait
		3586	}
		3587
		3588	sub cf::face::ix {
		3589	my ($ns, $idx, $pri, $size, $fofs) = @_;
		3590
		3591	_face_get_data $idx, $size, $fofs, sub {
		3592	$ns->ix_send ($idx, $pri, $_[0]);
		3593	};
		3594	}
		3595
3213	sub load_facedata($) {	3596	sub load_facedata($) {
3214	my ($path) = @_;	3597	my ($path) = @_;
3215		3598
3216	# HACK to clear player env face cache, we need some signal framework
3217	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3600
3222	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3223		3602
3224	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3604
3230	$facedata->{version} == 2	3605	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3232		3607
3233	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3234	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3235	type => FT_RSRC,	3610
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3611	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3237	};	3612
3238	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3239		3616
3240	{	3617	{
3241	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3242		3619
3243	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3623
3246	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3626	cf::face::set_data $idx, 0, $info->{size32}, $info->{fofs32}, $info->{hash32};
3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3627	cf::face::set_data $idx, 1, $info->{size64}, $info->{fofs64}, $info->{hash64};
3250		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3251	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3252	}	3630	}
3253		3631
3254	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3255	next unless $info->{smooth};	3633	next unless $info->{smooth};
3256		3634
…		…
3259		3637
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3641	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3643	}
3266
3267	cf::cede_to_tick;
3268	}	3644	}
3269	}	3645	}
3270		3646
3271	{	3647	{
3272	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3273		3649
3274	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3275	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3276	cf::cede_to_tick;
3277	}	3652	}
3278		3653
3279	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3280	}	3655	}
3281		3656
3282	{	3657	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3286		3659
3287	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3661	if (defined (my $type = $info->{type})) {
		3662	# TODO: different hash - must free and use new index, or cache ixface data queue
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3664
3292	if ($info->{type} & 1) {
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	3665	cf::face::set_type $idx, $type;
		3666	cf::face::set_data $idx, 0, $info->{size}, $info->{fofs}, $info->{hash};
		3667	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3668	$FACEHASH{$info->{hash}} = $idx;#d#
3307	} else {	3669	} else {
3308	$RESOURCE{$name} = $info;	3670	# $RESOURCE{$name} = $info; # unused
3309	}	3671	}
3310
3311	cf::cede_to_tick;
3312	}	3672	}
3313	}	3673	}
		3674
		3675	($fh, $FACEDATA) = ($FACEDATA, $fh);
		3676
		3677	# HACK to clear player env face cache, we need some signal framework
		3678	# for this (global event?)
		3679	%ext::player_env::MUSIC_FACE_CACHE = ();
		3680
		3681	# END ATOMIC
		3682
		3683	cf::debug "facedata atomic update time ", EV::time - $t1;
3314		3684
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
3317	1	3689	1
3318	}	3690	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3691
3340	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3693	my ($ns, $want) = @_;
3342		3694
3343	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3703	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3704	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3705	cf::arch::commit_load;
3354		3706
3355	$status	3707	$status
		3708	}
		3709
		3710	sub reload_exp_table {
		3711	_reload_exp_table;
		3712
		3713	set_face "res/exp_table" => FT_RSRC,
		3714	JSON::XS->new->utf8->canonical->encode (
		3715	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3716	);
		3717	}
		3718
		3719	sub reload_materials {
		3720	_reload_materials;
3356	}	3721	}
3357		3722
3358	sub reload_regions {	3723	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3724	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3725	# for this (global event?)
…		…
3368	if exists $_->{match};	3733	if exists $_->{match};
3369	}	3734	}
3370	}	3735	}
3371		3736
3372	sub reload_facedata {	3737	sub reload_facedata {
3373	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3374	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3375	}	3740	}
3376		3741
3377	sub reload_archetypes {	3742	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3744	or die "unable to load archetypes\n";
		3745
		3746	set_face "res/skill_info" => FT_RSRC,
		3747	JSON::XS->new->utf8->canonical->encode (
		3748	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3749	);
		3750	set_face "res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3380	}	3754	}
3381		3755
3382	sub reload_treasures {	3756	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3385	}	3759	}
3386		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3387	sub reload_resources {	3781	sub reload_resources {
3388	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3389		3783
		3784	reload_materials;
3390	reload_facedata;	3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
3391	reload_archetypes;	3788	reload_archetypes;
3392	reload_regions;	3789	reload_regions;
3393	reload_treasures;	3790	reload_treasures;
3394		3791
3395	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	evthread_start IO::AIO::poll_fileno;
3402
3403	reload_resources;
3404	}	3793	}
3405		3794
3406	sub reload_config {	3795	sub reload_config {
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3408	or return;
3409		3797
3410	local $/;	3798	my $config = load_file "$CONFDIR/config";
3411	*CFG = YAML::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3412		3801
3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3414		3803
3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3417		3806
3418	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3422	};	3811	};
3423	warn $@ if $@;	3812	warn $@ if $@;
3424	}	3813	}
3425	}	3814	}
3426		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3427	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3428	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431	(async {	3857	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3859	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3435	};	3861	};
3436		3862
3437	{	3863	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3439	reload_config;	3877	reload_config;
3440	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3441	load_extensions;	3887	load_extensions;
3442		3888
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3889	utime time, time, $RUNTIMEFILE;
		3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
3444	}	3896	};
3445		3897
3446	EV::loop;	3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3447	}	3906	}
3448		3907
3449	#############################################################################	3908	#############################################################################
3450	# initialisation and cleanup	3909	# initialisation and cleanup
3451		3910
3452	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3453	BEGIN {	3912	BEGIN {
3454	our %SIGWATCHER = ();	3913	our %SIGWATCHER = ();
3455	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3457	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3458	};	3917	};
3459	}	3918	}
3460	}	3919	}
3461		3920
3462	sub write_runtime_sync {	3921	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3464		3923
3465	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3467		3926
3468	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3928
3470	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3471		3930
3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3473	or return;	3932	or return;
3474		3933
3475	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3488		3947
3489	close $fh	3948	close $fh
3490	or return;	3949	or return;
3491		3950
3492	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	3952	and return;
3494		3953
3495	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3496		3955
3497	1	3956	1
3498	}	3957	}
3499		3958
3500	our $uuid_lock;	3959	our $uuid_lock;
…		…
3509	my $uuid = "$LOCALDIR/uuid";	3968	my $uuid = "$LOCALDIR/uuid";
3510		3969
3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512	or return;	3971	or return;
3513		3972
3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
3515	$uuid_skip = 0;	3981	$uuid_skip = 0;
3516		3982
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	3984	and return;
3519		3985
…		…
3525	or return;	3991	or return;
3526		3992
3527	aio_rename "$uuid~", $uuid	3993	aio_rename "$uuid~", $uuid
3528	and return;	3994	and return;
3529		3995
3530	warn "uuid file written ($value).\n";	3996	trace "uuid file written ($value).\n";
3531		3997
3532	1	3998	1
3533		3999
3534	}	4000	}
3535		4001
…		…
3541	}	4007	}
3542		4008
3543	sub emergency_save() {	4009	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3545		4011
3546	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3547		4018
3548	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3549	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	4028	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	4030	$pl->save;
3558	}	4031	}
3559	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3560		4033
3561	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	4039	$map->valid or next;
3565	$map->save;	4040	$map->save;
3566	}	4041	}
3567	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3568		4043
3569	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
3572		4049
3573	warn "begin write uuid\n";	4050	info "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	4051	write_uuid_sync 1;
3575	warn "end write uuid\n";	4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3576	};	4072	};
3577		4073
3578	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3579	}	4075	}
3580		4076
3581	sub post_cleanup {	4077	sub post_cleanup {
3582	my ($make_core) = @_;	4078	my ($make_core) = @_;
3583		4079
		4080	IO::AIO::flush;
		4081
3584	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3585	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3586	}	4112	}
3587		4113
3588	sub do_reload_perl() {	4114	sub do_reload_perl() {
3589	# can/must only be called in main	4115	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3591	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3592	return;	4118	return;
3593	}	4119	}
3594		4120
3595	warn "reloading...";	4121	return if $RELOAD++;
3596		4122
3597	warn "entering sync_job";	4123	my $t1 = AE::time;
3598		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3599	cf::sync_job {	4131	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	4132	#cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark
3603		4133
3604	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;
3606
3607	# if anything goes wrong in here, we should simply crash as we already saved
3608
3609	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs || BDB::nreqs;
3615	warn "iterate...";
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();	4136	%EXT_CORO = ();
3623		4137
3624	warn "removing commands";	4138	trace "perl_reload: removing commands";
3625	%COMMAND = ();	4139	%COMMAND = ();
3626		4140
3627	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3628	%EXTCMD = ();	4142	%EXTCMD = ();
3629	%EXTICMD = ();	4143	%EXTICMD = ();
3630		4144
3631	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3634		4148
3635	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3636	eval {	4150	eval {
3637	$cb->($pkg);	4151	$cb->($pkg);
3638	1	4152	1
3639	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3640	}	4158	}
3641		4159
3642	warn "... nuking $pkg";
3643	Symbol::delete_package $pkg;
3644	}
3645
3646	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3647	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		4163
3650	warn "... unloading $k";	4164	trace "... unloading $k";
3651	delete $INC{$k};	4165	delete $INC{$k};
3652		4166
3653	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3655		4169
3656	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3657	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3658	}	4175	}
3659		4176
3660	Symbol::delete_package $k;
3661	}
3662
3663	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666		4180
3667	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		4184
3671	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3672	# and global variables created in xs	4186	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3674		4188
3675	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3676		4190
3677	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3678	require cf;	4192	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3680		4194
3681	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3682	cf::reload_config;	4196	cf::reload_config;
3683		4197
3684	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3685	cf::load_extensions;	4199	cf::load_extensions;
3686		4200
		4201	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3690	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3693		4209
3694	warn "leaving sync_job";	4210	cf::_post_init 1;
3695		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3696	1	4214	1
3697	} or do {	4215	} or do {
3698	warn $@;	4216	error $@;
3699	cf::cleanup "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
		4218	};
		4219
		4220	--$RELOAD;
3700	};	4221	}
3701		4222
3702	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3703	};	4225	};
3704		4226
3705	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3706		4228
3707	sub reload_perl() {	4229	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3710		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4237	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
		4239	};
3714	};	4240	};
3715	}	4241	}
3716		4242
3717	register_command "reload" => sub {	4243	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4250	reload_perl;
3725	};	4251	};
3726	}	4252	}
3727	};	4253	};
3728		4254
3729	unshift @INC, $LIBDIR;	4255	#############################################################################
3730		4256
3731	my $bug_warning = 0;	4257	my $bug_warning = 0;
3732		4258
3733	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;
3735
3736	sub wait_for_tick {	4259	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4261
3739	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3740	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;
3742	}	4263	}
3743		4264
3744	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4267
3747	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4270	$signal->wait;
3750	}	4271	}
…		…
3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3755	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3756	return;	4277	return;
3757	}	4278	}
3758		4279
3759	cf::server_tick; # one server iteration	4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3760		4283
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4286	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4288	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3767	};	4290	};
3768	}	4291	}
3769		4292
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4294	$sig->send;
3772	}	4295	}
3773	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3774	$sig->send;
3775	}
3776		4297
3777	$LOAD = ($NOW - $TICK_START) / $TICK;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779		4300
3780	if (0) {	4301	if (0) {
3781	if ($NEXT_TICK) {	4302	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4303	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4305	debug "jitter $JITTER\n";#d#
3785	}	4306	}
3786	}	4307	}
3787	}	4308	}
3788		4309
3789	{	4310	{
3790	# configure BDB	4311	# configure BDB
		4312	info "initialising database";
3791		4313
3792	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3795		4317
3796	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	| BDB::LOG_AUTOREMOVE, 1);	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		4325
3803	cf::sync_job {	4326	cf::sync_job {
3804	eval {	4327	eval {
…		…
3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824	};	4347	};
3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827	};	4350	};
		4351
		4352	info "database initialised";
3828	}	4353	}
3829		4354
3830	{	4355	{
3831	# configure IO::AIO	4356	# configure IO::AIO
3832		4357
		4358	info "initialising aio";
3833	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3834	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3835	undef $AnyEvent::AIO::WATCHER;	4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
3836	}	4363	}
3837		4364
3838	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3839		4367
3840	sub _log_backtrace {	4368	sub _log_backtrace {
3841	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3842		4370
3843	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3844		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3845	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3847	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3848	async {	4381	async {
3849	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3850		4383
3851	my @bt = fork_call {	4384	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	4396	}
3864		4397
3865	@funcs	4398	@funcs
3866	};	4399	};
3867		4400
3868	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	4404	--$_log_backtrace;
3871	};	4405	};
3872	} else {	4406	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3875	}	4409	}
3876	}	4410	}
3877		4411
3878	# load additional modules	4412	# load additional modules
3879	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3880		4415
3881	END { cf::emergency_save }	4416	END { cf::emergency_save }
3882		4417
3883	1	4418	1
3884		4419

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