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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.441 by root, Sat Aug 30 05:19:03 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 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
98		125
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	128	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		130
104	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	134	our $DB_ENV;
108		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
109	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		140
111	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
113	our $NOW;	144	our $NOW;
114		145
115	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	155	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
126		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
127	binmode STDOUT;	166	binmode STDOUT;
128	binmode STDERR;	167	binmode STDERR;
129		168
130	# read virtual server time, if available	169	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
135	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
136		177
137	mkdir $_	178	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		180
140	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
141		182
142	sub cf::map::normalise;	183	sub cf::map::normalise;
143		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
144	#############################################################################	189	#############################################################################
145		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
146	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
147		203
148	=over 4	204	=over 4
149		205
150	=item $cf::UPTIME	206	=item $cf::UPTIME
151		207
152	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
153		224
154	=item $cf::RUNTIME	225	=item $cf::RUNTIME
155		226
156	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
157	every server tick.	228	every server tick.
158		229
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		233
163	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
166	database environment.	237	database environment.
167		238
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	239	=item $cf::LOADAVG
177		240
178	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
189	from wherever your confdir points to.	252	from wherever your confdir points to.
190		253
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		255
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
194	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
196		277
197	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
198		279
199	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	282	that call.
202		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
203	=back	290	=back
204		291
205	=cut	292	=cut
206		293
207	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
208	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
209	my $msg = join "", @_;	301	my $msg = join "", @_;
210		302
211	$msg .= "\n"	303	$msg .= "\n"
212	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
213		305
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		307
216	LOG llevError, $msg;	308	LOG llevWarn, $msg;
217	};	309	};
218	}
219		310
220	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
222		313
223	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	318	return;#d#
226	}#d#	319	}#d#
227		320
228	# kill coroutine otherwise	321	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	322	Coro::terminate
231	};	323	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		324
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	342	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	344	}
255		345
256	$EV::DIED = sub {	346	$EV::DIED = sub {
257	warn "error in event callback: @_";	347	warn "error in event callback: $@";
258	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
259		354
260	#############################################################################	355	#############################################################################
261		356
262	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
263		358
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	380	$d
286	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
287	}	382	}
288		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
289	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
290		437
291	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
292		439
293	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		447
301	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
303		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
304	=item cf::lock_wait $string	513	=item cf::lock_wait $string
305		514
306	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
307		516
308	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
309		518
310	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
313	returned.	522	returned.
314		523
315	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	525	deadlocked coro.
…		…
322		531
323	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
324		533
325	=cut	534	=cut
326		535
327	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		537
330	sub lock_wait($) {	538	sub lock_wait($) {
331	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	540	}
344		541
345	sub lock_acquire($) {	542	sub lock_acquire($) {
346	my ($key) = @_;	543	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	544	}
360		545
361	sub lock_active($) {	546	sub lock_active($) {
362	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	548	}
366		549
367	sub freeze_mainloop {	550	sub freeze_mainloop {
368	tick_inhibit_inc;	551	tick_inhibit_inc;
369		552
370	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
371	}	554	}
372		555
373	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
374		557
375	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	559	get spread over time.
377		560
378	=cut	561	=cut
379		562
380	sub periodic($$) {	563	sub periodic($$) {
381	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
386	}	569	}
387		570
388	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
389		572
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
393		580
394	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
395	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
396		583
397	Useful for short background jobs.	584	Useful for short background jobs.
398		585
399	=cut	586	=cut
400		587
401	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
403		591
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
407		595
408	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
409		598
410	while () {	599	while () {
411	next_job:	600	next_job:
		601
412	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	603
414	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	608	$job->[2]->send;
418	Coro::cede;	609	Coro::cede;
419	goto next_job;	610	goto next_job;
420	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	613	}
422	}	614	}
423		615
424	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
427	$signal->wait;
428	} else {	619	} else {
		620	$busy = 0;
429	Coro::schedule;	621	Coro::schedule;
430	}	622	}
431	}	623	}
432	};	624	};
433		625
434	sub get_slot($;$$) {	626	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
436		628
437	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
438		630
439	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
440	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
441		634
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
470	=cut	663	=cut
471		664
472	sub sync_job(&) {	665	sub sync_job(&) {
473	my ($job) = @_;	666	my ($job) = @_;
474		667
475	if ($Coro::current == $Coro::main) {	668	if (in_main) {
476	my $time = EV::time;	669	my $time = AE::time;
477		670
478	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
480		673
481	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
482		675
483	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
484		677
485	my $busy = 1;	678	my $busy = 1;
486	my @res;	679	my @res;
487		680
488	(async {	681	(async {
489	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	683	@res = eval { $job->() };
491	warn $@ if $@;	684	error $@ if $@;
492	undef $busy;	685	undef $busy;
493	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
494		687
495	while ($busy) {	688	while ($busy) {
496	if (Coro::nready) {	689	if (Coro::nready) {
…		…
498	} else {	691	} else {
499	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
500	}	693	}
501	}	694	}
502		695
503	my $time = EV::time - $time;	696	my $time = AE::time - $time;
504		697
505	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
506		699
507	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
508	} else {	701	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
531		724
532	$coro	725	$coro
533	}	726	}
534		727
535	=item fork_call { }, $args	728	=item fork_call { }, @args
536		729
537	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
541		734
542	=cut	735	=cut
543		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
544	sub fork_call(&@) {	741	sub fork_call(&@) {
545	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
546		743
547	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
550		747
551	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
552	reset_signals;	749	cf::post_fork;
553	&$cb	750	&$cb
554	}, @args;	751	} @args;
555		752
556	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	)
557	}	765	}
558		766
559	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
560		768
561	=cut	769	=cut
…		…
598	within each server.	806	within each server.
599		807
600	=cut	808	=cut
601		809
602	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
603	my ($name) = @_;	814	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
605		816
606	eval {	817	eval {
607	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
617	}	828	}
618		829
619	our $DB;	830	our $DB;
620		831
621	sub db_init {	832	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	833	$DB ||= db_table "db";
624	};
625	}	834	}
626		835
627	sub db_get($$) {	836	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
629		838
630	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
631	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
632		843
633	$! ? ()	844	$! ? ()
634	: $data	845	: $data
635	}
636	}	846	}
637		847
638	sub db_put($$$) {	848	sub db_put($$$) {
639	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		878
669	my @data;	879	my @data;
670	my $md5;	880	my $md5;
671		881
672	for (0 .. $#$src) {	882	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	884	}
676		885
677	# if processing is expensive, check	886	# if processing is expensive, check
678	# checksum first	887	# checksum first
679	if (1) {	888	if (1) {
…		…
692		901
693	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
694	}	903	}
695	}	904	}
696		905
697	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
698	my $data = $process->(\@data);	907	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
700		909
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		911
703	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
706		915
…		…
716		925
717	=cut	926	=cut
718		927
719	sub datalog($@) {	928	sub datalog($@) {
720	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	931	}
723		932
724	=back	933	=back
725		934
726	=cut	935	=cut
727		936
728	#############################################################################	937	#############################################################################
729		938
730	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
731		940
732	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
733	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")
734	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
735		944
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
788		997
789	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
791		1000
792	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
794		1003
795	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
796		1005
797	=over 4	1006	=over 4
…		…
921		1130
922	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1133
925	} elsif (ref $type) {	1134	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
927		1136
928	} else {	1137	} else {
929	shift @arg;	1138	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
931	}	1140	}
932	}	1141	}
933	}	1142	}
934		1143
935	sub _object_attach {	1144	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
946	}	1155	}
947		1156
948	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
949	} else {	1158	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1160	}
952		1161
953	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
954	}	1163	}
955		1164
…		…
1014		1223
1015	for (@$callbacks) {	1224	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1017		1226
1018	if ($@) {	1227	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1229	override;
1022	}	1230	}
1023		1231
1024	return 1 if $override;	1232	return 1 if $override;
1025	}	1233	}
…		…
1104	for (@$attach) {	1312	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1107	}	1315	}
1108	} else {	1316	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1318	}
1111	}	1319	}
1112	}	1320	}
1113		1321
1114	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1142		1350
1143	sync_job {	1351	sync_job {
1144	if (length $$rdata) {	1352	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1148		1357
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1365	aio_close $fh;
1154		1366
1155	if (@$objs) {	1367	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1376	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1378	}
1164	} else {	1379	} else {
1165	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1166	}	1381	}
1167		1382
1168	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1387	} else {
1170	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1171	}	1389	}
1172	} else {	1390	} else {
1173	aio_unlink $filename;	1391	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1175	}	1393	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1418	$av = $st->{objs};
1201	}	1419	}
1202		1420
1203	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1206		1425
1207	($data, $av)	1426	($data, $av)
1208	}	1427	}
1209		1428
1210	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1214	=cut	1433	=cut
1215		1434
1216	#############################################################################	1435	#############################################################################
1217	# command handling &c	1436	# command handling &c
1218		1437
1219	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1220		1439
1221	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
1222	$name.	1441	$name.
1223		1442
1224	=cut	1443	=cut
…		…
1230	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1231		1450
1232	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1233	}	1452	}
1234		1453
1235	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1236		1455
1237	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1238	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
1239	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
1240	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
1241	has logged in successfully.	1460	has logged in successfully.
1242		1461
1243	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1244	called.
1245		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
1246	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1247		1470
1248	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1249	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1250	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1251	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1252	log-in.	1475	log-in.
1253		1476
1254	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1255	called.
1256		1478
1257	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1258		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1259	sub register_extcmd {	1486	sub register_extcmd($$) {
1260	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1261		1488
1262	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1263	}	1490	}
1264		1491
1265	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1266	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1267		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1268	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1269	}	1502	}
1270		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1271	cf::player->attach (	1512	cf::player->attach (
1272	on_command => sub {	1513	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1274		1515
1275	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1276	or return;	1517	or return;
1277		1518
…		…
1285	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1286		1527
1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1288		1529
1289	if (ref $msg) {	1530	if (ref $msg) {
1290	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1291	"ARRAY" eq ref $msg
1292	? @$msg
1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294		1532
1295	my @reply;
1296
1297	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}) {
1298	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1299	}	1551	}
1300		1552
1301	$pl->ext_reply ($reply, @reply)
1302	if $reply;
1303
1304	} else {	1553	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1555	}
1307		1556
1308	cf::override;	1557	cf::override;
1309	},	1558	},
1310	);	1559	);
1311		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
1312	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1313	cf::sync_job {	1590	cf::sync_job {
1314	my %todo;	1591	my %todo;
1315		1592
1316	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1594	next unless -r $path;
…		…
1335		1612
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1615
1339	$ext{source} =	1616	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1342	. $source	1619	. $source
1343	. "\n};\n1";	1620	. "\n};\n1";
1344		1621
1345	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1346	}	1623	}
1347		1624
		1625	my $pass = 0;
1348	my %done;	1626	my %done;
1349	while (%todo) {	1627	while (%todo) {
1350	my $progress;	1628	my $progress;
1351		1629
		1630	++$pass;
		1631
		1632	ext:
1352	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1635	next ext
1355	unless exists $done{$_};	1636	unless exists $done{$_};
1356	}	1637	}
1357		1638
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1640
1360	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 $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1654
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1656	if exists $v->{meta}{mandatory};
1368		1657
1369	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;
1370	}	1667	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1668	}
1376		1669
1377	skip:	1670	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1380	}	1680	}
1381	};	1681	};
1382	}	1682	}
1383		1683
1384	#############################################################################	1684	#############################################################################
1385		1685
1386	=back	1686	=back
1387		1687
1388	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1389		1689
1390	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1391		1691
1392	=cut	1692	=cut
1393		1693
1394	package cf::player;	1694	package cf::player;
1395		1695
…		…
1438		1738
1439	sub exists($) {	1739	sub exists($) {
1440	my ($login) = @_;	1740	my ($login) = @_;
1441		1741
1442	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1444	}	1744	}
1445		1745
1446	sub find($) {	1746	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1748	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1469	}	1769	}
1470	}	1770	}
1471	}	1771	}
1472		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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
1473	sub save($) {	1786	sub save($) {
1474	my ($pl) = @_;	1787	my ($pl) = @_;
1475		1788
1476	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1477		1790
…		…
1482		1795
1483	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1485		1798
1486	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];
1487		1803
1488	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1805	cf::cede_to_tick;
1490	}	1806	}
1491		1807
…		…
1523	my ($pl) = @_;	1839	my ($pl) = @_;
1524		1840
1525	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1526		1842
1527	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1528	$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
1529		1845
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1847	$pl->deactivate;
		1848
1532	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;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1535	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1536		1854
1537	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1593	\@logins	1911	\@logins
1594	}	1912	}
1595		1913
1596	=item $player->maps	1914	=item $player->maps
1597		1915
		1916	=item cf::player::maps $login
		1917
1598	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1599	player. May block.	1919	player. May block.
1600		1920
1601	=cut	1921	=cut
1602		1922
…		…
1619	}	1939	}
1620		1940
1621	\@paths	1941	\@paths
1622	}	1942	}
1623		1943
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1945
1626	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	use re 'eval';
1631
1632	my $group;
1633	my $interior; $interior = qr{
1634	# match a pod interior sequence sans C<< >>
1635	(?:
1636	\ (.*?)\ (?{ $group = $^N })
1637	| < (??{$interior}) >
1638	)
1639	}x;
1640
1641	sub expand_cfpod {
1642	my ($self, $pod) = @_;
1643
1644	my $xml;
1645
1646	while () {
1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648	$group = $1;
1649
1650	$group =~ s/&/&amp;/g;
1651	$group =~ s/</&lt;/g;
1652
1653	$xml .= $group;
1654	} elsif ($pod =~ m%\G
1655	([BCGHITU])
1656	<
1657	(?:
1658	([^<>]*) (?{ $group = $^N })
1659	| < $interior >
1660	)
1661	>
1662	%gcsx
1663	) {
1664	my ($code, $data) = ($1, $group);
1665
1666	if ($code eq "B") {
1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668	} elsif ($code eq "I") {
1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670	} elsif ($code eq "U") {
1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672	} elsif ($code eq "C") {
1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674	} elsif ($code eq "T") {
1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676	} elsif ($code eq "G") {
1677	my ($male, $female) = split /\|/, $data;
1678	$data = $self->gender ? $female : $male;
1679	$xml .= expand_cfpod ($self, $data);
1680	} elsif ($code eq "H") {
1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683	"")
1684	[$self->{hintmode}];
1685	} else {
1686	$xml .= "error processing '$code($data)' directive";
1687	}
1688	} else {
1689	if ($pod =~ /\G(.+)/) {
1690	warn "parse error while expanding $pod (at $1)";
1691	}
1692	last;
1693	}
1694	}
1695
1696	for ($xml) {
1697	# create single paragraphs (very hackish)
1698	s/(?<=\S)\n(?=\w)/ /g;
1699
1700	# compress some whitespace
1701	s/\s+\n/\n/g; # ws line-ends
1702	s/\n\n+/\n/g; # double lines
1703	s/^\n+//; # beginning lines
1704	s/\n+$//; # ending lines
1705	}
1706
1707	$xml
1708	}
1709
1710	no re 'eval';
1711
1712	sub hintmode {
1713	$_[0]{hintmode} = $_[1] if @_ > 1;
1714	$_[0]{hintmode}
1715	}
1716
1717	=item $player->ext_reply ($msgid, @msg)
1718
1719	Sends an ext reply to the player.
1720
1721	=cut
1722
1723	sub ext_reply($$@) {
1724	my ($self, $id, @msg) = @_;
1725
1726	$self->ns->ext_reply ($id, @msg)
1727	}
1728		1947
1729	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1730		1949
1731	Sends an ext event to the client.	1950	Sends an ext event to the client.
1732		1951
…		…
1752		1971
1753	=cut	1972	=cut
1754		1973
1755	sub find_by_path($) {	1974	sub find_by_path($) {
1756	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1757		1978
1758	my ($match, $specificity);	1979	my ($match, $specificity);
1759		1980
1760	for my $region (list) {	1981	for my $region (list) {
1761	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1790	sub generate_random_map {	2011	sub generate_random_map {
1791	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1792		2013
1793	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
1794		2015
1795	# mit "rum" bekleckern, nicht
1796	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1800	$rmp->{exit_on_final_map},
1801	$rmp->{xsize}, $rmp->{ysize},
1802	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1803	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1804	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1805	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1806	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1807	(cf::region::find $rmp->{region}), $rmp->{custom}
1808	)
1809	}	2017	}
1810		2018
1811	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1812		2020
1813	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
…		…
1818		2026
1819	sub register {	2027	sub register {
1820	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1821	my $pkg = caller;	2029	my $pkg = caller;
1822		2030
1823	no strict;
1824	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1825		2032
1826	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1827	}	2034	}
1828		2035
1829	# also paths starting with '/'	2036	# also paths starting with '/'
1830	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1831		2038
1832	sub thawer_merge {	2039	sub thawer_merge {
1833	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1834		2041
1835	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1840	}	2047	}
1841		2048
1842	sub normalise {	2049	sub normalise {
1843	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1844		2051
1845	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1846		2053
1847	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1848		2055
1849	# map plan:	2056	# map plan:
1850	#	2057	#
…		…
1865	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1866	$path = "$base/$path";	2073	$path = "$base/$path";
1867	}	2074	}
1868		2075
1869	for ($path) {	2076	for ($path) {
1870	redo if s{//}{/};
1871	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1872	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1873	}	2079	}
1874		2080
1875	$path	2081	$path
…		…
1889	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1890	return $self;	2096	return $self;
1891	}	2097	}
1892	}	2098	}
1893		2099
1894	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1895	()	2101	()
1896	}	2102	}
1897		2103
		2104	# may re-bless or do other evil things
1898	sub init {	2105	sub init {
1899	my ($self) = @_;	2106	my ($self) = @_;
1900		2107
1901	$self	2108	$self
1902	}	2109	}
…		…
1933		2140
1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1936	}	2143	}
1937		2144
1938	# and all this just because we cannot iterate over
1939	# all maps in C++...
1940	sub change_all_map_light {
1941	my ($change) = @_;
1942
1943	$_->change_map_light ($change)
1944	for grep $_->outdoor, values %cf::MAP;
1945	}
1946
1947	sub decay_objects {	2145	sub decay_objects {
1948	my ($self) = @_;	2146	my ($self) = @_;
1949		2147
1950	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1951		2149
…		…
1976	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1977		2175
1978	1	2176	1
1979	}	2177	}
1980		2178
		2179	# used to laod the header of an original map
1981	sub load_header_orig {	2180	sub load_header_orig {
1982	my ($self) = @_;	2181	my ($self) = @_;
1983		2182
1984	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1985	}	2184	}
1986		2185
		2186	# used to laod the header of an instantiated map
1987	sub load_header_temp {	2187	sub load_header_temp {
1988	my ($self) = @_;	2188	my ($self) = @_;
1989		2189
1990	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1991	}	2191	}
1992		2192
		2193	# called after loading the header from an instantiated map
1993	sub prepare_temp {	2194	sub prepare_temp {
1994	my ($self) = @_;	2195	my ($self) = @_;
1995		2196
1996	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1997	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1998	# safety	2199	# safety
1999	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
2000	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
2001	}	2202	}
2002		2203
		2204	# called after loading the header from an original map
2003	sub prepare_orig {	2205	sub prepare_orig {
2004	my ($self) = @_;	2206	my ($self) = @_;
2005		2207
2006	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2007	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2031		2233
2032	sub find;	2234	sub find;
2033	sub find {	2235	sub find {
2034	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2035		2237
		2238	cf::cede_to_tick;
		2239
2036	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2037		2241
2038	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2040		2244
2041	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2043	my $guard2 = cf::lock_acquire "map_find:$path";
2044
2045	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2046	or return;	2247	or return;
2047		2248
2048	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2049		2250
…		…
2061		2262
2062	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2063	}	2264	}
2064	}	2265	}
2065		2266
2066	sub pre_load { }	2267	sub pre_load { }
2067	sub post_load { }	2268	#sub post_load { } # XS
2068		2269
2069	sub load {	2270	sub load {
2070	my ($self) = @_;	2271	my ($self) = @_;
2071		2272
2072	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2075		2276
2076	{	2277	{
2077	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2078		2279
2079	return unless $self->valid;	2280	return unless $self->valid;
2080	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2081
2082	$self->in_memory (cf::MAP_LOADING);
2083		2282
2084	$self->alloc;	2283	$self->alloc;
2085		2284
2086	$self->pre_load;	2285	$self->pre_load;
2087	cf::cede_to_tick;	2286	cf::cede_to_tick;
2088		2287
		2288	if (exists $self->{load_path}) {
2089	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2090	$f->skip_block;	2290	$f->skip_block;
2091	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2092	or return;	2292	or return;
2093		2293
2094	$self->post_load_original	2294	$self->post_load_original
2095	if delete $self->{load_original};	2295	if delete $self->{load_original};
2096		2296
2097	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2098	utf8::encode $uniq;	2298	utf8::encode $uniq;
2099	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2100	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2101	$self->clear_unique_items;	2301	$self->clear_unique_items;
2102	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2103	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2104	}	2305	}
2105	}	2306	}
2106	}
2107		2307
2108	$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);
2109		2315
2110	cf::cede_to_tick;	2316	cf::cede_to_tick;
2111	# now do the right thing for maps	2317	# now do the right thing for maps
2112	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2113	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2117	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2118	$self->decay_objects;	2324	$self->decay_objects;
2119	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2120	$self->update_buttons;	2326	$self->update_buttons;
2121	cf::cede_to_tick;	2327	cf::cede_to_tick;
2122	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2123	cf::cede_to_tick;
2124	$self->activate;
2125	}	2329	}
2126		2330
2127	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2128	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2129
2130	$self->in_memory (cf::MAP_ACTIVE);
2131	}	2333	}
2132		2334
2133	$self->post_load;	2335	$self->post_load;
2134	}
2135		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2136	sub customise_for {	2343	sub customise_for {
2137	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2138		2345
2139	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2140	if $self->per_player;	2347	if $self->per_player;
…		…
2143	# if $self->per_party;	2350	# if $self->per_party;
2144		2351
2145	$self	2352	$self
2146	}	2353	}
2147		2354
2148	# find and load all maps in the 3x3 area around a map
2149	sub load_neighbours {
2150	my ($map) = @_;
2151
2152	my @neigh; # diagonal neighbours
2153
2154	for (0 .. 3) {
2155	my $neigh = $map->tile_path ($_)
2156	or next;
2157	$neigh = find $neigh, $map
2158	or next;
2159	$neigh->load;
2160
2161	push @neigh,
2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2164	}
2165
2166	for (grep defined $_->[0], @neigh) {
2167	my ($path, $origin) = @$_;
2168	my $neigh = find $path, $origin
2169	or next;
2170	$neigh->load;
2171	}
2172	}
2173
2174	sub find_sync {	2355	sub find_sync {
2175	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2176		2357
2177	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, $origin
2178	}	2363	}
2179		2364
2180	sub do_load_sync {	2365	sub do_load_sync {
2181	my ($map) = @_;	2366	my ($map) = @_;
2182		2367
		2368	# it's a bug to call this from the main context
2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2184	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2185		2371
2186	cf::sync_job { $map->load };	2372	$map->load;
2187	}	2373	}
2188		2374
2189	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2190	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2191		2377
2192	sub find_async {	2378	sub find_async {
2193	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2194		2380
2195	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2196		2382
2197	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2199	}	2385	}
2200		2386
2201	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2202		2388
2203	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2217	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2218		2404
2219	()	2405	()
2220	}	2406	}
2221		2407
		2408	# common code, used by both ->save and ->swapout
2222	sub save {	2409	sub _save {
2223	my ($self) = @_;	2410	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226		2411
2227	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2228		2413
2229	return unless $self->dirty;	2414	return unless $self->dirty;
2230		2415
…		…
2250	} else {	2435	} else {
2251	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2252	}	2437	}
2253	}	2438	}
2254		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2255	sub swap_out {	2448	sub swap_out {
2256	my ($self) = @_;	2449	my ($self) = @_;
2257		2450
2258	# save first because save cedes
2259	$self->save;
2260
2261	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2262		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2263	return if $self->players;	2455	return if $self->players;
2264	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
2265	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2266		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
2267	$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};
2268		2507
2269	$self->deactivate;	2508	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;	2510	$self->clear;
2272	}
2273
2274	sub reset_at {
2275	my ($self) = @_;
2276
2277	# TODO: safety, remove and allow resettable per-player maps
2278	return 1e99 if $self->{deny_reset};
2279
2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2282
2283	$time + $to
2284	}
2285
2286	sub should_reset {
2287	my ($self) = @_;
2288
2289	$self->reset_at <= $cf::RUNTIME
2290	}
2291
2292	sub reset {
2293	my ($self) = @_;
2294
2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
2296
2297	return if $self->players;
2298
2299	warn "resetting map ", $self->path;
2300
2301	$self->in_memory (cf::MAP_SWAPPED);
2302
2303	# need to save uniques path
2304	unless ($self->{deny_save}) {
2305	my $uniq = $self->uniq_path; utf8::encode $uniq;
2306
2307	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2308	if $uniq;
2309	}
2310
2311	delete $cf::MAP{$self->path};
2312
2313	$self->deactivate;
2314	$_->clear_links_to ($self) for values %cf::MAP;
2315	$self->clear;
2316		2511
2317	$self->unlink_save;	2512	$self->unlink_save;
2318	$self->destroy;	2513	$self->destroy;
2319	}	2514	}
2320		2515
…		…
2328		2523
2329	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2330		2525
2331	$self->unlink_save;	2526	$self->unlink_save;
2332		2527
2333	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2334	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2335	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2336	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2338		2533
…		…
2395	: normalise $_	2590	: normalise $_
2396	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2397	]	2592	]
2398	}	2593	}
2399		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
2400	=back	2627	=back
2401		2628
2402	=head3 cf::object	2629	=head3 cf::object
2403		2630
2404	=cut	2631	=cut
…		…
2469		2696
2470	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2471	id => "say",	2698	id => "say",
2472	title => "Map",	2699	title => "Map",
2473	reply => "say ",	2700	reply => "say ",
2474	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.",
2475	};	2702	};
2476		2703
2477	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2478	id => "chat",	2705	id => "chat",
2479	title => "Chat",	2706	title => "Chat",
…		…
2534		2761
2535	=item $player_object->enter_link	2762	=item $player_object->enter_link
2536		2763
2537	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}>).
2538		2765
2539	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.
2540	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.
2541		2770
2542	Will never block.	2771	Will never block.
2543		2772
2544	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2545		2774
…		…
2565	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2566	my ($self) = @_;	2795	my ($self) = @_;
2567		2796
2568	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2569		2798
		2799	++$self->{_link_recursion};
		2800
2570	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2571		2802
2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2573	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2574		2805
2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2576	}	2807	}
2577		2808
2578	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2579	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2580		2811
…		…
2597	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2598	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2599		2830
2600	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2601	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2602	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2603		2834
2604	$map->load;	2835	$map->load;
2605	$map->load_neighbours;
2606		2836
2607	return unless $self->contr->active;	2837	return unless $self->contr->active;
2608	$self->activate_recursive;
2609		2838
2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2612	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2613		2846
		2847	}
		2848
2614	=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)]])
2615		2850
2616	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
2617	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2618	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
2619	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
…		…
2626		2861
2627	our $GOTOGEN;	2862	our $GOTOGEN;
2628		2863
2629	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2630	my ($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	}
2631		2872
2632	# 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
2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2634		2875
2635	$self->enter_link;	2876	$self->enter_link;
…		…
2655	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2656	}	2897	}
2657	}	2898	}
2658		2899
2659	my $map = eval {	2900	my $map = eval {
2660	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2661		2902
2662	if ($map) {	2903	if ($map) {
2663	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2664	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2665	} else {	2906	} else {
2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2667	}	2908	}
2668		2909
2669	$map	2910	$map
…		…
2677	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2678	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2679	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2680	}	2921	}
2681		2922
2682	$done->() if $done;	2923	$done->($self) if $done;
2683	})->prio (1);	2924	})->prio (1);
2684	}	2925	}
2685		2926
2686	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2687		2928
…		…
2755	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2756		2997
2757	unless (eval {	2998	unless (eval {
2758	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2759		3000
2760	# random map handling
2761	{
2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
2763
2764	prepare_random_map $exit
2765	if $exit->slaying eq "/!";
2766	}
2767
2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2769	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2770	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	}
2771		3027
2772	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2773		3029
2774	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2775	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2776	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2777		3033
2778	1	3034	1
2779	}) {	3035	}) {
2780	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2781	. "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. "
2782	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2783	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2784		3040
2785	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2786	$self->leave_link;	3042	$self->leave_link;
2787	}	3043	}
2788	})->prio (1);	3044	})->prio (1);
2789	}	3045	}
2790		3046
…		…
2802	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2803	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2804		3060
2805	utf8::encode $text;	3061	utf8::encode $text;
2806	$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);
2807	}	3088	}
2808		3089
2809	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2810		3091
2811	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
…		…
2815		3096
2816	=cut	3097	=cut
2817		3098
2818	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2819	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	},
2820	"c/identify" => {	3107	"c/identify" => {
2821	id => "infobox",	3108	id => "infobox",
2822	title => "Identify",	3109	title => "Identify",
2823	reply => undef,	3110	reply => undef,
2824	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2826	"c/examine" => {	3113	"c/examine" => {
2827	id => "infobox",	3114	id => "infobox",
2828	title => "Examine",	3115	title => "Examine",
2829	reply => undef,	3116	reply => undef,
2830	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",
2831	},	3124	},
2832	"c/book" => {	3125	"c/book" => {
2833	id => "infobox",	3126	id => "infobox",
2834	title => "Book",	3127	title => "Book",
2835	reply => undef,	3128	reply => undef,
…		…
2851	id => "infobox",	3144	id => "infobox",
2852	title => "Body Parts",	3145	title => "Body Parts",
2853	reply => undef,	3146	reply => undef,
2854	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2855	},	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	},
2856	"c/uptime" => {	3185	"c/uptime" => {
2857	id => "infobox",	3186	id => "infobox",
2858	title => "Uptime",	3187	title => "Uptime",
2859	reply => undef,	3188	reply => undef,
2860	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2869	id => "party",	3198	id => "party",
2870	title => "Party",	3199	title => "Party",
2871	reply => "gsay ",	3200	reply => "gsay ",
2872	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2873	},	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" => $CHAT_CHANNEL,
2874	);	3211	);
2875		3212
2876	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2877	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2878		3215
2879	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2880		3218
2881	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2882		3220
2883	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2884	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2885	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2886		3224
2887	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889
2890	$channel = $channel->{id};	3226	$channel = $channel->{id};
2891		3227
2892	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2893	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2894	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2895	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2896	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2897	if $self->can_msg;
2898	}	3233	}
2899		3234
2900	$channel = $channel->{id};	3235	$channel = $channel->{id};
2901	}	3236	}
2902		3237
2903	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2904		3239
2905	if ($self->can_msg) {
2906	# default colour, mask it out	3240	# default colour, mask it out
2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2909		3243
2910	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912	} else {	3247	);
2913	if ($color >= 0) {
2914	# replace some tags by gcfclient-compatible ones
2915	for ($msg) {
2916	1 while
2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2922	}
2923		3248
2924	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2925
2926	utf8::encode $msg;
2927
2928	if (0 && $msg =~ /\[/) {
2929	# COMMAND/INFO
2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
2931	} else {
2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2933	$self->send_packet ("drawinfo $color $msg")
2934	}
2935	}
2936	}
2937	}	3250	}
2938		3251
2939	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2940		3253
2941	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2943	=cut	3256	=cut
2944		3257
2945	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2946	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2947		3260
2948	if ($self->extcmd == 2) {
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2950	} elsif ($self->extcmd == 1) { # TODO: remove
2951	push @msg, msgtype => "event_$type";
2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2953	}
2954	}
2955
2956	=item $client->ext_reply ($msgid, @msg)
2957
2958	Sends an ext reply to the client.
2959
2960	=cut
2961
2962	sub cf::client::ext_reply($$@) {
2963	my ($self, $id, @msg) = @_;
2964
2965	if ($self->extcmd == 2) {
2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2967	} elsif ($self->extcmd == 1) {
2968	#TODO: version 1, remove
2969	unshift @msg, msgtype => "reply", msgid => $id;
2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2971	}
2972	}	3262	}
2973		3263
2974	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2975		3265
2976	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3031	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3032		3322
3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3034		3324
3035	if (ref $msg) {	3325	if (ref $msg) {
3036	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3037	"ARRAY" eq ref $msg
3038	? @$msg
3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3040		3327
3041	my @reply;
3042
3043	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}) {
3044	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3045	}	3346	}
3046
3047	$ns->ext_reply ($reply, @reply)
3048	if $reply;
3049
3050	} else {	3347	} else {
3051	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";
3052	}	3349	}
3053		3350
3054	cf::override;	3351	cf::override;
3055	},	3352	},
3056	);	3353	);
…		…
3076		3373
3077	$coro	3374	$coro
3078	}	3375	}
3079		3376
3080	cf::client->attach (	3377	cf::client->attach (
3081	on_destroy => sub {	3378	on_client_destroy => sub {
3082	my ($ns) = @_;	3379	my ($ns) = @_;
3083		3380
3084	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3085	},	3382	},
3086	);	3383	);
…		…
3102	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3103		3400
3104	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3105		3402
3106	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3107	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3108	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3109	sort time	3406	sort time
3110	));	3407	));
3111		3408
3112	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3116	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3117		3414
3118	cf::object	3415	cf::object
3119	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
3120	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3121		3419
3122	cf::object::player	3420	cf::object::player
3123	player	3421	player
3124		3422
3125	cf::player	3423	cf::player
…		…
3131	=cut	3429	=cut
3132		3430
3133	for (	3431	for (
3134	["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
3135	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3136	decrease split destroy change_exp)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3137	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3138	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3139	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3140	) {	3438	) {
3141	no strict 'refs';
3142	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3143	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3144	for @funs;	3441	for @funs;
3145	}	3442	}
3146		3443
…		…
3161		3458
3162	my $qcode = $code;	3459	my $qcode = $code;
3163	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3164	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3165		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3166	local $_;	3466	local $_;
3167	local @safe::cf::_safe_eval_args = values %vars;
3168		3467
3169	my $eval =	3468	my $eval =
3170	"do {\n"	3469	"do {\n"
3171	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3172	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3173	. $code	3472	. $code
3174	. "\n}"	3473	. "\n}"
3175	;	3474	;
3176		3475
		3476	if ($CFG{safe_eval}) {
3177	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3178	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3179	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	}
3180		3485
3181	if ($@) {	3486	if ($@) {
3182	warn "$@";	3487	warn "$@",
3183	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3184	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3185	}	3490	}
3186		3491
3187	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3188	}	3493	}
3189		3494
…		…
3203	=cut	3508	=cut
3204		3509
3205	sub register_script_function {	3510	sub register_script_function {
3206	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3207		3512
3208	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3209	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3210	}	3515	}
3211		3516
3212	=back	3517	=back
3213		3518
3214	=cut	3519	=cut
3215		3520
3216	#############################################################################	3521	#############################################################################
3217	# the server's init and main functions	3522	# the server's init and main functions
3218		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
3219	sub load_facedata($) {	3596	sub load_facedata($) {
3220	my ($path) = @_;	3597	my ($path) = @_;
3221		3598
3222	# HACK to clear player env face cache, we need some signal framework
3223	# for this (global event?)
3224	%ext::player_env::MUSIC_FACE_CACHE = ();
3225
3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3599	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3227		3600
3228	warn "loading facedata from $path\n";	3601	trace "loading facedata from $path\n";
3229		3602
3230	my $facedata;	3603	my $facedata = decode_storable load_file "$path/faceinfo";
3231	0 < aio_load $path, $facedata
3232	or die "$path: $!";
3233
3234	$facedata = Coro::Storable::thaw $facedata;
3235		3604
3236	$facedata->{version} == 2	3605	$facedata->{version} == 2
3237	or cf::cleanup "$path: version mismatch, cannot proceed.";	3606	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3238		3607
3239	# patch in the exptable	3608	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3240	$facedata->{resource}{"res/exp_table"} = {	3609	or cf::cleanup "$path/facedata: $!, cnanot proceed.";
3241	type => FT_RSRC,	3610
3242	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
3243	};	3612
3244	cf::cede_to_tick;	3613	# BEGIN ATOMIC
		3614	# from here on, everything must be atomic - no thread switch allowed
		3615	my $t1 = EV::time;
3245		3616
3246	{	3617	{
3247	my $faces = $facedata->{faceinfo};	3618	my $faces = $facedata->{faceinfo};
3248		3619
3249	while (my ($face, $info) = each %$faces) {	3620	for my $face (sort keys %$faces) {
		3621	my $info = $faces->{$face};
3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3622	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251		3623
3252	cf::face::set_visibility $idx, $info->{visibility};	3624	cf::face::set_visibility $idx, $info->{visibility};
3253	cf::face::set_magicmap $idx, $info->{magicmap};	3625	cf::face::set_magicmap $idx, $info->{magicmap};
3254	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};
3255	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};
3256		3628	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3257	cf::cede_to_tick;	3629	$FACEHASH{$info->{hash64}} = $idx;#d#
3258	}	3630	}
3259		3631
3260	while (my ($face, $info) = each %$faces) {	3632	while (my ($face, $info) = each %$faces) {
3261	next unless $info->{smooth};	3633	next unless $info->{smooth};
3262		3634
…		…
3265		3637
3266	if (my $smooth = cf::face::find $info->{smooth}) {	3638	if (my $smooth = cf::face::find $info->{smooth}) {
3267	cf::face::set_smooth $idx, $smooth;	3639	cf::face::set_smooth $idx, $smooth;
3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3640	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3269	} else {	3641	} else {
3270	warn "smooth face '$info->{smooth}' not found for face '$face'";	3642	error "smooth face '$info->{smooth}' not found for face '$face'";
3271	}	3643	}
3272
3273	cf::cede_to_tick;
3274	}	3644	}
3275	}	3645	}
3276		3646
3277	{	3647	{
3278	my $anims = $facedata->{animinfo};	3648	my $anims = $facedata->{animinfo};
3279		3649
3280	while (my ($anim, $info) = each %$anims) {	3650	while (my ($anim, $info) = each %$anims) {
3281	cf::anim::set $anim, $info->{frames}, $info->{facings};	3651	cf::anim::set $anim, $info->{frames}, $info->{facings};
3282	cf::cede_to_tick;
3283	}	3652	}
3284		3653
3285	cf::anim::invalidate_all; # d'oh	3654	cf::anim::invalidate_all; # d'oh
3286	}	3655	}
3287		3656
3288	{	3657	{
3289	# TODO: for gcfclient pleasure, we should give resources
3290	# that gcfclient doesn't grok a >10000 face index.
3291	my $res = $facedata->{resource};	3658	my $res = $facedata->{resource};
3292		3659
3293	while (my ($name, $info) = each %$res) {	3660	while (my ($name, $info) = each %$res) {
3294	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
3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3663	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296	my $data;
3297		3664
3298	if ($info->{type} & 1) {
3299	# prepend meta info
3300
3301	my $meta = $enc->encode ({
3302	name => $name,
3303	%{ $info->{meta} || {} },
3304	});
3305
3306	$data = pack "(w/a*)*", $meta, $info->{data};
3307	} else {
3308	$data = $info->{data};
3309	}
3310
3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3312	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#
3313	} else {	3669	} else {
3314	$RESOURCE{$name} = $info;	3670	# $RESOURCE{$name} = $info; # unused
3315	}	3671	}
3316
3317	cf::cede_to_tick;
3318	}	3672	}
3319	}	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;
3320		3684
3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3685	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3322		3686
		3687	aio_close $fh if $fh; # close old facedata
		3688
3323	1	3689	1
3324	}	3690	}
3325
3326	cf::global->attach (on_resource_update => sub {
3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3329
3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3331	my $sound = $soundconf->{compat}[$_]
3332	or next;
3333
3334	my $face = cf::face::find "sound/$sound->[1]";
3335	cf::sound::set $sound->[0] => $face;
3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3337	}
3338
3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
3340	my $face = cf::face::find "sound/$v";
3341	cf::sound::set $k => $face;
3342	}
3343	}
3344	});
3345		3691
3346	register_exticmd fx_want => sub {	3692	register_exticmd fx_want => sub {
3347	my ($ns, $want) = @_;	3693	my ($ns, $want) = @_;
3348		3694
3349	while (my ($k, $v) = each %$want) {	3695	while (my ($k, $v) = each %$want) {
…		…
3357	my $status = load_resource_file_ $_[0];	3703	my $status = load_resource_file_ $_[0];
3358	get_slot 0.1, 100;	3704	get_slot 0.1, 100;
3359	cf::arch::commit_load;	3705	cf::arch::commit_load;
3360		3706
3361	$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;
3362	}	3721	}
3363		3722
3364	sub reload_regions {	3723	sub reload_regions {
3365	# 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
3366	# for this (global event?)	3725	# for this (global event?)
…		…
3374	if exists $_->{match};	3733	if exists $_->{match};
3375	}	3734	}
3376	}	3735	}
3377		3736
3378	sub reload_facedata {	3737	sub reload_facedata {
3379	load_facedata "$DATADIR/facedata"	3738	load_facedata $DATADIR
3380	or die "unable to load facedata\n";	3739	or die "unable to load facedata\n";
3381	}	3740	}
3382		3741
3383	sub reload_archetypes {	3742	sub reload_archetypes {
3384	load_resource_file "$DATADIR/archetypes"	3743	load_resource_file "$DATADIR/archetypes"
3385	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	);
3386	}	3754	}
3387		3755
3388	sub reload_treasures {	3756	sub reload_treasures {
3389	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3390	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3391	}	3759	}
3392		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
3393	sub reload_resources {	3781	sub reload_resources {
3394	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3395		3783
		3784	reload_materials;
3396	reload_facedata;	3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
3397	reload_archetypes;	3788	reload_archetypes;
3398	reload_regions;	3789	reload_regions;
3399	reload_treasures;	3790	reload_treasures;
3400		3791
3401	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3402	}
3403
3404	sub init {
3405	my $guard = freeze_mainloop;
3406
3407	evthread_start IO::AIO::poll_fileno;
3408
3409	reload_resources;
3410	}	3793	}
3411		3794
3412	sub reload_config {	3795	sub reload_config {
3413	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3414	or return;
3415		3797
3416	local $/;	3798	my $config = load_file "$CONFDIR/config";
3417	*CFG = YAML::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3418		3801
3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3420		3803
3421	$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};
3422	$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};
3423		3806
3424	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3428	};	3811	};
3429	warn $@ if $@;	3812	warn $@ if $@;
3430	}	3813	}
3431	}	3814	}
3432		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
3433	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
3434	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3435	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3436	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#
3437	(async {	3857	(async {
3438	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3439	EV::loop EV::LOOP_ONESHOT;	3859	EV::loop EV::LOOP_ONESHOT;
3440	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3441	};	3861	};
3442		3862
3443	{	3863	evthread_start IO::AIO::poll_fileno;
3444	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;
3445	reload_config;	3877	reload_config;
3446	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3447	load_extensions;	3887	load_extensions;
3448		3888
3449	$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;
3450	}	3896	};
3451		3897
3452	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;
3453	}	3906	}
3454		3907
3455	#############################################################################	3908	#############################################################################
3456	# initialisation and cleanup	3909	# initialisation and cleanup
3457		3910
3458	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3459	BEGIN {	3912	BEGIN {
3460	our %SIGWATCHER = ();	3913	our %SIGWATCHER = ();
3461	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3463	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3464	};	3917	};
3465	}	3918	}
3466	}	3919	}
3467		3920
3468	sub write_runtime_sync {	3921	sub write_runtime_sync {
3469	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3470		3923
3471	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3472	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3473		3926
3474	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475		3928
3476	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3477		3930
3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3479	or return;	3932	or return;
3480		3933
3481	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3482	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3483	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3493	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3494		3947
3495	close $fh	3948	close $fh
3496	or return;	3949	or return;
3497		3950
3498	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499	and return;	3952	and return;
3500		3953
3501	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3502		3955
3503	1	3956	1
3504	}	3957	}
3505		3958
3506	our $uuid_lock;	3959	our $uuid_lock;
…		…
3515	my $uuid = "$LOCALDIR/uuid";	3968	my $uuid = "$LOCALDIR/uuid";
3516		3969
3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518	or return;	3971	or return;
3519		3972
3520	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;
3521	$uuid_skip = 0;	3981	$uuid_skip = 0;
3522		3982
3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3524	and return;	3984	and return;
3525		3985
…		…
3531	or return;	3991	or return;
3532		3992
3533	aio_rename "$uuid~", $uuid	3993	aio_rename "$uuid~", $uuid
3534	and return;	3994	and return;
3535		3995
3536	warn "uuid file written ($value).\n";	3996	trace "uuid file written ($value).\n";
3537		3997
3538	1	3998	1
3539		3999
3540	}	4000	}
3541		4001
…		…
3547	}	4007	}
3548		4008
3549	sub emergency_save() {	4009	sub emergency_save() {
3550	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3551		4011
3552	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;
3553		4018
3554	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3555	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3556	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3557	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3558	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3559	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3560	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3561	$pl->valid or next;	4028	$pl->valid or next;
3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563	$pl->save;	4030	$pl->save;
3564	}	4031	}
3565	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3566		4033
3567	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";
3568	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3569	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3570	$map->valid or next;	4039	$map->valid or next;
3571	$map->save;	4040	$map->save;
3572	}	4041	}
3573	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3574		4043
3575	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";
3576	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3577	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
3578		4049
3579	warn "begin write uuid\n";	4050	info "emergency_perl_save: begin write uuid\n";
3580	write_uuid_sync 1;	4051	write_uuid_sync 1;
3581	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 $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3582	};	4072	};
3583		4073
3584	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3585	}	4075	}
3586		4076
3587	sub post_cleanup {	4077	sub post_cleanup {
3588	my ($make_core) = @_;	4078	my ($make_core) = @_;
3589		4079
		4080	IO::AIO::flush;
		4081
3590	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3591	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
3592	}	4087	}
3593		4088
3594	# a safer delete_package, copied from Symbol	4089	# a safer delete_package, copied from Symbol
3595	sub clear_package($) {	4090	sub clear_package($) {
3596	my $pkg = shift;	4091	my $pkg = shift;
…		…
3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613	for my $name (keys %$leaf_symtab) {	4108	for my $name (keys %$leaf_symtab) {
3614	_gv_clear *{"$pkg$name"};	4109	_gv_clear *{"$pkg$name"};
3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616	}	4111	}
3617	warn "cleared package #$pkg\n";#d#
3618	}	4112	}
3619
3620	our $RELOAD; # how many times to reload
3621		4113
3622	sub do_reload_perl() {	4114	sub do_reload_perl() {
3623	# can/must only be called in main	4115	# can/must only be called in main
3624	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3625	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3626	return;	4118	return;
3627	}	4119	}
3628		4120
3629	return if $RELOAD++;	4121	return if $RELOAD++;
3630		4122
		4123	my $t1 = AE::time;
		4124
3631	while ($RELOAD) {	4125	while ($RELOAD) {
3632	warn "reloading...";	4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
3633		4128
3634	warn "entering sync_job";	4129	trace "perl_reload: entering sync_job";
3635		4130
3636	cf::sync_job {	4131	cf::sync_job {
3637	cf::write_runtime_sync; # external watchdog should not bark
3638	cf::emergency_save;	4132	#cf::emergency_save;
3639	cf::write_runtime_sync; # external watchdog should not bark
3640		4133
3641	warn "syncing database to disk";
3642	BDB::db_env_txn_checkpoint $DB_ENV;
3643
3644	# if anything goes wrong in here, we should simply crash as we already saved
3645
3646	warn "flushing outstanding aio requests";
3647	while (IO::AIO::nreqs || BDB::nreqs) {
3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3649	}
3650
3651	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3652	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3653	%EXT_CORO = ();	4136	%EXT_CORO = ();
3654		4137
3655	warn "removing commands";	4138	trace "perl_reload: removing commands";
3656	%COMMAND = ();	4139	%COMMAND = ();
3657		4140
3658	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3659	%EXTCMD = ();	4142	%EXTCMD = ();
3660	%EXTICMD = ();	4143	%EXTICMD = ();
3661		4144
3662	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3663	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3664	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3665		4148
3666	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3667	eval {	4150	eval {
3668	$cb->($pkg);	4151	$cb->($pkg);
3669	1	4152	1
3670	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
3671	}	4154	}
3672		4155
3673	warn "... clearing $pkg";	4156	trace "... clearing $pkg";
3674	clear_package $pkg;	4157	clear_package $pkg;
3675	}	4158	}
3676		4159
3677	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3678	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3680		4163
3681	warn "... unloading $k";	4164	trace "... unloading $k";
3682	delete $INC{$k};	4165	delete $INC{$k};
3683		4166
3684	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3685	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3686		4169
…		…
3689	}	4172	}
3690		4173
3691	clear_package $k;	4174	clear_package $k;
3692	}	4175	}
3693		4176
3694	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3695	clear_package "safe::$_"	4178	clear_package "safe::$_"
3696	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);
3697		4180
3698	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3699	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3700	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701		4184
3702	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3703	# and global variables created in xs	4186	# and global variables created in xs
3704	#clear_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3705		4188
3706	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3707		4190
3708	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3709	require cf;	4192	require cf;
3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3711		4194
3712	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3713	cf::reload_config;	4196	cf::reload_config;
3714		4197
3715	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3716	cf::load_extensions;	4199	cf::load_extensions;
3717		4200
		4201	if ($REATTACH_ON_RELOAD) {
3718	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3719	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3720	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3721	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3722	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3723	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3724		4209
3725	warn "leaving sync_job";	4210	cf::_post_init 1;
		4211
		4212	trace "perl_reload: leaving sync_job";
3726		4213
3727	1	4214	1
3728	} or do {	4215	} or do {
3729	warn $@;	4216	error $@;
3730	cf::cleanup "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
3731	};	4218	};
3732		4219
3733	warn "reloaded";
3734	--$RELOAD;	4220	--$RELOAD;
3735	}	4221	}
		4222
		4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3736	};	4225	};
3737		4226
3738	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3739		4228
3740	sub reload_perl() {	4229	sub reload_perl() {
3741	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3742	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3743		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3745	do_reload_perl;	4237	do_reload_perl;
3746	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
		4239	};
3747	};	4240	};
3748	}	4241	}
3749		4242
3750	register_command "reload" => sub {	4243	register_command "reload" => sub {
3751	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
…		…
3757	reload_perl;	4250	reload_perl;
3758	};	4251	};
3759	}	4252	}
3760	};	4253	};
3761		4254
3762	unshift @INC, $LIBDIR;	4255	#############################################################################
3763		4256
3764	my $bug_warning = 0;	4257	my $bug_warning = 0;
3765		4258
3766	our @WAIT_FOR_TICK;
3767	our @WAIT_FOR_TICK_BEGIN;
3768
3769	sub wait_for_tick {	4259	sub wait_for_tick() {
3770	return if tick_inhibit || $Coro::current == $Coro::main;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3771		4261
3772	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3773	push @WAIT_FOR_TICK, $signal;
3774	$signal->wait;
3775	}	4263	}
3776		4264
3777	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3778	return if tick_inhibit || $Coro::current == $Coro::main;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3779		4267
3780	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3781	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3782	$signal->wait;	4270	$signal->wait;
3783	}	4271	}
…		…
3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3788	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3789	return;	4277	return;
3790	}	4278	}
3791		4279
3792	cf::server_tick; # one server iteration	4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3793		4283
3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3795	$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.;
3796	Coro::async_pool {	4286	Coro::async_pool {
3797	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3798	write_runtime_sync	4288	write_runtime_sync
3799	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3800	};	4290	};
3801	}	4291	}
3802		4292
3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3804	$sig->send;	4294	$sig->send;
3805	}	4295	}
3806	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3807	$sig->send;
3808	}
3809		4297
3810	$LOAD = ($NOW - $TICK_START) / $TICK;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3812		4300
3813	if (0) {	4301	if (0) {
3814	if ($NEXT_TICK) {	4302	if ($NEXT_TICK) {
3815	my $jitter = $TICK_START - $NEXT_TICK;	4303	my $jitter = $TICK_START - $NEXT_TICK;
3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3817	warn "jitter $JITTER\n";#d#	4305	debug "jitter $JITTER\n";#d#
3818	}	4306	}
3819	}	4307	}
3820	}	4308	}
3821		4309
3822	{	4310	{
3823	# configure BDB	4311	# configure BDB
		4312	info "initialising database";
3824		4313
3825	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3826	BDB::max_poll_reqs $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3827	$AnyEvent::BDB::WATCHER->priority (1);	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3828		4317
3829	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3830	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3858	};	4347	};
3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3861	};	4350	};
		4351
		4352	info "database initialised";
3862	}	4353	}
3863		4354
3864	{	4355	{
3865	# configure IO::AIO	4356	# configure IO::AIO
3866		4357
		4358	info "initialising aio";
3867	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3868	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3869	undef $AnyEvent::AIO::WATCHER;	4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
3870	}	4363	}
3871		4364
3872	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3873		4367
3874	sub _log_backtrace {	4368	sub _log_backtrace {
3875	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3876		4370
3877	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3878		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3879	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3880	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3881	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3882	async {	4381	async {
3883	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3884		4383
3885	my @bt = fork_call {	4384	my @bt = fork_call {
3886	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3897	}	4396	}
3898		4397
3899	@funcs	4398	@funcs
3900	};	4399	};
3901		4400
3902	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3904	--$_log_backtrace;	4404	--$_log_backtrace;
3905	};	4405	};
3906	} else {	4406	} else {
3907	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3908	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3909	}	4409	}
3910	}	4410	}
3911		4411
3912	# load additional modules	4412	# load additional modules
3913	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3914		4415
3915	END { cf::emergency_save }	4416	END { cf::emergency_save }
3916		4417
3917	1	4418	1
3918		4419

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