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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 1.604 by root, Thu Nov 15 07:08:08 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
98		125
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	128	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		130
104	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	134	our $DB_ENV;
108		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
109	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		140
111	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
113	our $NOW;	144	our $NOW;
114		145
115	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	155	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
126		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
127	binmode STDOUT;	166	binmode STDOUT;
128	binmode STDERR;	167	binmode STDERR;
129		168
130	# read virtual server time, if available	169	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
135	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
136		177
137	mkdir $_	178	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		180
140	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
141		182
142	sub cf::map::normalise;	183	sub cf::map::normalise;
143		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
144	#############################################################################	189	#############################################################################
145		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
146	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
147		203
148	=over 4	204	=over 4
149		205
150	=item $cf::UPTIME	206	=item $cf::UPTIME
151		207
152	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
153		224
154	=item $cf::RUNTIME	225	=item $cf::RUNTIME
155		226
156	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
157	every server tick.	228	every server tick.
158		229
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		233
163	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
166	database environment.	237	database environment.
167		238
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	239	=item $cf::LOADAVG
177		240
178	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
189	from wherever your confdir points to.	252	from wherever your confdir points to.
190		253
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		255
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
194	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
196		277
197	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
198		279
199	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	282	that call.
202		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
203	=back	290	=back
204		291
205	=cut	292	=cut
206		293
207	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
208	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
209	my $msg = join "", @_;	301	my $msg = join "", @_;
210		302
211	$msg .= "\n"	303	$msg .= "\n"
212	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
213		305
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		307
216	LOG llevError, $msg;	308	LOG llevWarn, $msg;
217	};	309	};
218	}
219		310
220	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
222		313
223	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	318	return;#d#
226	}#d#	319	}#d#
227		320
228	# kill coroutine otherwise	321	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	322	Coro::terminate
231	};	323	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		324
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	342	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	344	}
255		345
256	$EV::DIED = sub {	346	$EV::DIED = sub {
257	warn "error in event callback: @_";	347	warn "error in event callback: $@";
258	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
259		354
260	#############################################################################	355	#############################################################################
261		356
262	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
263		358
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	380	$d
286	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
287	}	382	}
288		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
289	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
290		437
291	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
292		439
293	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		447
301	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
303		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
304	=item cf::lock_wait $string	513	=item cf::lock_wait $string
305		514
306	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
307		516
308	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
309		518
310	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
313	returned.	522	returned.
314		523
315	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	525	deadlocked coro.
…		…
322		531
323	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
324		533
325	=cut	534	=cut
326		535
327	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		537
330	sub lock_wait($) {	538	sub lock_wait($) {
331	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	540	}
344		541
345	sub lock_acquire($) {	542	sub lock_acquire($) {
346	my ($key) = @_;	543	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	544	}
360		545
361	sub lock_active($) {	546	sub lock_active($) {
362	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	548	}
366		549
367	sub freeze_mainloop {	550	sub freeze_mainloop {
368	tick_inhibit_inc;	551	tick_inhibit_inc;
369		552
370	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
371	}	554	}
372		555
373	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
374		557
375	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	559	get spread over time.
377		560
378	=cut	561	=cut
379		562
380	sub periodic($$) {	563	sub periodic($$) {
381	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
386	}	569	}
387		570
388	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
389		572
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
393		580
394	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
395	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
396		583
397	Useful for short background jobs.	584	Useful for short background jobs.
398		585
399	=cut	586	=cut
400		587
401	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
403		591
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
407		595
408	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
409		598
410	while () {	599	while () {
411	next_job:	600	next_job:
		601
412	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	603
414	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	608	$job->[2]->send;
418	Coro::cede;	609	Coro::cede;
419	goto next_job;	610	goto next_job;
420	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	613	}
422	}	614	}
423		615
424	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
427	$signal->wait;
428	} else {	619	} else {
		620	$busy = 0;
429	Coro::schedule;	621	Coro::schedule;
430	}	622	}
431	}	623	}
432	};	624	};
433		625
434	sub get_slot($;$$) {	626	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
436		628
437	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
438		630
439	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
440	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
441		634
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
470	=cut	663	=cut
471		664
472	sub sync_job(&) {	665	sub sync_job(&) {
473	my ($job) = @_;	666	my ($job) = @_;
474		667
475	if ($Coro::current == $Coro::main) {	668	if (in_main) {
476	my $time = EV::time;	669	my $time = AE::time;
477		670
478	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
480		673
481	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
482		675
483	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
484		677
485	my $busy = 1;	678	my $busy = 1;
486	my @res;	679	my @res;
487		680
488	(async {	681	(async {
489	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	683	@res = eval { $job->() };
491	warn $@ if $@;	684	error $@ if $@;
492	undef $busy;	685	undef $busy;
493	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
494		687
495	while ($busy) {	688	while ($busy) {
496	if (Coro::nready) {	689	if (Coro::nready) {
…		…
498	} else {	691	} else {
499	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
500	}	693	}
501	}	694	}
502		695
503	my $time = EV::time - $time;	696	my $time = AE::time - $time;
504		697
505	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
506		699
507	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
508	} else {	701	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
531		724
532	$coro	725	$coro
533	}	726	}
534		727
535	=item fork_call { }, $args	728	=item fork_call { }, @args
536		729
537	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
541		734
542	=cut	735	=cut
543		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
544	sub fork_call(&@) {	741	sub fork_call(&@) {
545	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
546		743
547	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)
550
551	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
552	reset_signals;	745	cf::post_fork;
553	&$cb	746	&$cb
554	}, @args;	747	} @args;
555		748
556	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
557	}	761	}
558		762
559	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
560		764
561	=cut	765	=cut
…		…
598	within each server.	802	within each server.
599		803
600	=cut	804	=cut
601		805
602	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
603	my ($name) = @_;	810	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
605		812
606	eval {	813	eval {
607	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
617	}	824	}
618		825
619	our $DB;	826	our $DB;
620		827
621	sub db_init {	828	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	829	$DB ||= db_table "db";
624	};
625	}	830	}
626		831
627	sub db_get($$) {	832	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
629		834
630	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
631	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
632		839
633	$! ? ()	840	$! ? ()
634	: $data	841	: $data
635	}
636	}	842	}
637		843
638	sub db_put($$$) {	844	sub db_put($$$) {
639	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		874
669	my @data;	875	my @data;
670	my $md5;	876	my $md5;
671		877
672	for (0 .. $#$src) {	878	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	880	}
676		881
677	# if processing is expensive, check	882	# if processing is expensive, check
678	# checksum first	883	# checksum first
679	if (1) {	884	if (1) {
…		…
692		897
693	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
694	}	899	}
695	}	900	}
696		901
697	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
698	my $data = $process->(\@data);	903	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
700		905
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		907
703	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
706		911
…		…
716		921
717	=cut	922	=cut
718		923
719	sub datalog($@) {	924	sub datalog($@) {
720	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	927	}
723		928
724	=back	929	=back
725		930
726	=cut	931	=cut
727		932
728	#############################################################################	933	#############################################################################
729		934
730	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
731		936
732	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
735		940
736	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
788		993
789	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
791		996
792	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
794		999
795	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
796		1001
797	=over 4	1002	=over 4
…		…
921		1126
922	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1129
925	} elsif (ref $type) {	1130	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
927		1132
928	} else {	1133	} else {
929	shift @arg;	1134	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
931	}	1136	}
932	}	1137	}
933	}	1138	}
934		1139
935	sub _object_attach {	1140	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
946	}	1151	}
947		1152
948	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
949	} else {	1154	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1156	}
952		1157
953	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
954	}	1159	}
955		1160
…		…
1014		1219
1015	for (@$callbacks) {	1220	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1017		1222
1018	if ($@) {	1223	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1225	override;
1022	}	1226	}
1023		1227
1024	return 1 if $override;	1228	return 1 if $override;
1025	}	1229	}
…		…
1104	for (@$attach) {	1308	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1107	}	1311	}
1108	} else {	1312	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1314	}
1111	}	1315	}
1112	}	1316	}
1113		1317
1114	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1142		1346
1143	sync_job {	1347	sync_job {
1144	if (length $$rdata) {	1348	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1148		1353
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1153	aio_close $fh;	1361	aio_close $fh;
1154		1362
1155	if (@$objs) {	1363	if (@$objs) {
1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1157	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1160	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1161	aio_close $fh;	1372	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1374	}
1164	} else {	1375	} else {
1165	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1166	}	1377	}
1167		1378
1168	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1383	} else {
1170	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1171	}	1385	}
1172	} else {	1386	} else {
1173	aio_unlink $filename;	1387	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1175	}	1389	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1414	$av = $st->{objs};
1201	}	1415	}
1202		1416
1203	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1206		1421
1207	($data, $av)	1422	($data, $av)
1208	}	1423	}
1209		1424
1210	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1214	=cut	1429	=cut
1215		1430
1216	#############################################################################	1431	#############################################################################
1217	# command handling &c	1432	# command handling &c
1218		1433
1219	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1220		1435
1221	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
1222	$name.	1437	$name.
1223		1438
1224	=cut	1439	=cut
…		…
1230	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1231		1446
1232	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1233	}	1448	}
1234		1449
1235	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1236		1451
1237	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1238	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1239	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1240	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1241	has logged in successfully.	1456	has logged in successfully.
1242		1457
1243	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1244	called.
1245		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1246	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1247		1466
1248	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1249	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1250	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1251	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1252	log-in.	1471	log-in.
1253		1472
1254	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1255	called.
1256		1474
1257	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1258		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1259	sub register_extcmd {	1482	sub register_extcmd($$) {
1260	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1261		1484
1262	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1263	}	1486	}
1264		1487
1265	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1266	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1267		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1268	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1269	}	1498	}
1270		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1271	cf::player->attach (	1508	cf::player->attach (
1272	on_command => sub {	1509	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1274		1511
1275	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1276	or return;	1513	or return;
1277		1514
…		…
1285	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1286		1523
1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1288		1525
1289	if (ref $msg) {	1526	if (ref $msg) {
1290	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1291	"ARRAY" eq ref $msg
1292	? @$msg
1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294		1528
1295	my @reply;
1296
1297	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
1298	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1299	}	1547	}
1300		1548
1301	$pl->ext_reply ($reply, @reply)
1302	if $reply;
1303
1304	} else {	1549	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1551	}
1307		1552
1308	cf::override;	1553	cf::override;
1309	},	1554	},
1310	);	1555	);
1311		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1579	}
		1580
1312	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1313	cf::sync_job {	1586	cf::sync_job {
1314	my %todo;	1587	my %todo;
1315		1588
1316	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1590	next unless -r $path;
…		…
1335		1608
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1611
1339	$ext{source} =	1612	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1342	. $source	1615	. $source
1343	. "\n};\n1";	1616	. "\n};\n1";
1344		1617
1345	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1346	}	1619	}
1347		1620
		1621	my $pass = 0;
1348	my %done;	1622	my %done;
1349	while (%todo) {	1623	while (%todo) {
1350	my $progress;	1624	my $progress;
1351		1625
		1626	++$pass;
		1627
		1628	ext:
1352	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1631	next ext
1355	unless exists $done{$_};	1632	unless exists $done{$_};
1356	}	1633	}
1357		1634
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1636
1360	unless (eval $v->{source}) {	1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1650
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1652	if exists $v->{meta}{mandatory};
1368		1653
1369	warn $msg;	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1370	}	1663	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1664	}
1376		1665
1377	skip:	1666	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1380	}	1676	}
1381	};	1677	};
1382	}	1678	}
1383		1679
1384	#############################################################################	1680	#############################################################################
1385		1681
1386	=back	1682	=back
1387		1683
1388	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1389		1685
1390	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1391		1687
1392	=cut	1688	=cut
1393		1689
1394	package cf::player;	1690	package cf::player;
1395		1691
…		…
1438		1734
1439	sub exists($) {	1735	sub exists($) {
1440	my ($login) = @_;	1736	my ($login) = @_;
1441		1737
1442	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1444	}	1740	}
1445		1741
1446	sub find($) {	1742	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1744	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1469	}	1765	}
1470	}	1766	}
1471	}	1767	}
1472		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1473	sub save($) {	1782	sub save($) {
1474	my ($pl) = @_;	1783	my ($pl) = @_;
1475		1784
1476	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1477		1786
…		…
1482		1791
1483	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1485		1794
1486	cf::get_slot 0.01;	1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1487		1799
1488	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1801	cf::cede_to_tick;
1490	}	1802	}
1491		1803
…		…
1523	my ($pl) = @_;	1835	my ($pl) = @_;
1524		1836
1525	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1526		1838
1527	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1841
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1843	$pl->deactivate;
		1844
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1535	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1536		1850
1537	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1593	\@logins	1907	\@logins
1594	}	1908	}
1595		1909
1596	=item $player->maps	1910	=item $player->maps
1597		1911
		1912	=item cf::player::maps $login
		1913
1598	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1599	player. May block.	1915	player. May block.
1600		1916
1601	=cut	1917	=cut
1602		1918
…		…
1619	}	1935	}
1620		1936
1621	\@paths	1937	\@paths
1622	}	1938	}
1623		1939
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1941
1626	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1627
1628	=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		1943
1729	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1730		1945
1731	Sends an ext event to the client.	1946	Sends an ext event to the client.
1732		1947
…		…
1752		1967
1753	=cut	1968	=cut
1754		1969
1755	sub find_by_path($) {	1970	sub find_by_path($) {
1756	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1757		1974
1758	my ($match, $specificity);	1975	my ($match, $specificity);
1759		1976
1760	for my $region (list) {	1977	for my $region (list) {
1761	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1790	sub generate_random_map {	2007	sub generate_random_map {
1791	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1792		2009
1793	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1794		2011
1795	# mit "rum" bekleckern, nicht
1796	$self->_create_random_map (	2012	$self->_create_random_map ($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}), $rmp->{custom}
1808	)
1809	}	2013	}
1810		2014
1811	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1812		2016
1813	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1818		2022
1819	sub register {	2023	sub register {
1820	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1821	my $pkg = caller;	2025	my $pkg = caller;
1822		2026
1823	no strict;
1824	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1825		2028
1826	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1827	}	2030	}
1828		2031
1829	# also paths starting with '/'	2032	# also paths starting with '/'
1830	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1831		2034
1832	sub thawer_merge {	2035	sub thawer_merge {
1833	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1834		2037
1835	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1840	}	2043	}
1841		2044
1842	sub normalise {	2045	sub normalise {
1843	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1844		2047
1845	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1846		2049
1847	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1848		2051
1849	# map plan:	2052	# map plan:
1850	#	2053	#
…		…
1865	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1866	$path = "$base/$path";	2069	$path = "$base/$path";
1867	}	2070	}
1868		2071
1869	for ($path) {	2072	for ($path) {
1870	redo if s{//}{/};
1871	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1872	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1873	}	2075	}
1874		2076
1875	$path	2077	$path
…		…
1889	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1890	return $self;	2092	return $self;
1891	}	2093	}
1892	}	2094	}
1893		2095
1894	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1895	()	2097	()
1896	}	2098	}
1897		2099
		2100	# may re-bless or do other evil things
1898	sub init {	2101	sub init {
1899	my ($self) = @_;	2102	my ($self) = @_;
1900		2103
1901	$self	2104	$self
1902	}	2105	}
…		…
1933		2136
1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1936	}	2139	}
1937		2140
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 $_->outdoor, values %cf::MAP;
1945	}
1946
1947	sub decay_objects {	2141	sub decay_objects {
1948	my ($self) = @_;	2142	my ($self) = @_;
1949		2143
1950	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1951		2145
…		…
1976	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1977		2171
1978	1	2172	1
1979	}	2173	}
1980		2174
		2175	# used to laod the header of an original map
1981	sub load_header_orig {	2176	sub load_header_orig {
1982	my ($self) = @_;	2177	my ($self) = @_;
1983		2178
1984	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1985	}	2180	}
1986		2181
		2182	# used to laod the header of an instantiated map
1987	sub load_header_temp {	2183	sub load_header_temp {
1988	my ($self) = @_;	2184	my ($self) = @_;
1989		2185
1990	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1991	}	2187	}
1992		2188
		2189	# called after loading the header from an instantiated map
1993	sub prepare_temp {	2190	sub prepare_temp {
1994	my ($self) = @_;	2191	my ($self) = @_;
1995		2192
1996	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1997	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1998	# safety	2195	# safety
1999	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
2000	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
2001	}	2198	}
2002		2199
		2200	# called after loading the header from an original map
2003	sub prepare_orig {	2201	sub prepare_orig {
2004	my ($self) = @_;	2202	my ($self) = @_;
2005		2203
2006	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2007	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2031		2229
2032	sub find;	2230	sub find;
2033	sub find {	2231	sub find {
2034	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2035		2233
		2234	cf::cede_to_tick;
		2235
2036	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2037		2237
2038	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2040		2240
2041	$cf::MAP{$path} || do {	2241	$cf::MAP{$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	2242	my $map = new_from_path cf::map $path
2046	or return;	2243	or return;
2047		2244
2048	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2049		2246
…		…
2061		2258
2062	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2063	}	2260	}
2064	}	2261	}
2065		2262
2066	sub pre_load { }	2263	sub pre_load { }
2067	sub post_load { }	2264	#sub post_load { } # XS
2068		2265
2069	sub load {	2266	sub load {
2070	my ($self) = @_;	2267	my ($self) = @_;
2071		2268
2072	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2075		2272
2076	{	2273	{
2077	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2078		2275
2079	return unless $self->valid;	2276	return unless $self->valid;
2080	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2081
2082	$self->in_memory (cf::MAP_LOADING);
2083		2278
2084	$self->alloc;	2279	$self->alloc;
2085		2280
2086	$self->pre_load;	2281	$self->pre_load;
2087	cf::cede_to_tick;	2282	cf::cede_to_tick;
2088		2283
		2284	if (exists $self->{load_path}) {
2089	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2090	$f->skip_block;	2286	$f->skip_block;
2091	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2092	or return;	2288	or return;
2093		2289
2094	$self->post_load_original	2290	$self->post_load_original
2095	if delete $self->{load_original};	2291	if delete $self->{load_original};
2096		2292
2097	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2098	utf8::encode $uniq;	2294	utf8::encode $uniq;
2099	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2100	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2101	$self->clear_unique_items;	2297	$self->clear_unique_items;
2102	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2103	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2104	}	2301	}
2105	}	2302	}
2106	}
2107		2303
2108	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
2109		2311
2110	cf::cede_to_tick;	2312	cf::cede_to_tick;
2111	# now do the right thing for maps	2313	# now do the right thing for maps
2112	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2113	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2117	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2118	$self->decay_objects;	2320	$self->decay_objects;
2119	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2120	$self->update_buttons;	2322	$self->update_buttons;
2121	cf::cede_to_tick;	2323	cf::cede_to_tick;
2122	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2123	cf::cede_to_tick;
2124	$self->activate;
2125	}	2325	}
2126		2326
2127	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2128	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2129
2130	$self->in_memory (cf::MAP_ACTIVE);
2131	}	2329	}
2132		2330
2133	$self->post_load;	2331	$self->post_load;
2134	}
2135		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2136	sub customise_for {	2339	sub customise_for {
2137	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2138		2341
2139	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2140	if $self->per_player;	2343	if $self->per_player;
…		…
2143	# if $self->per_party;	2346	# if $self->per_party;
2144		2347
2145	$self	2348	$self
2146	}	2349	}
2147		2350
2148	# find and load all maps in the 3x3 area around a map
2149	sub load_neighbours {
2150	my ($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	$neigh->load;
2171	}
2172	}
2173
2174	sub find_sync {	2351	sub find_sync {
2175	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2176		2353
2177	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
2178	}	2359	}
2179		2360
2180	sub do_load_sync {	2361	sub do_load_sync {
2181	my ($map) = @_;	2362	my ($map) = @_;
2182		2363
		2364	# it's a bug to call this from the main context
2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2184	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2185		2367
2186	cf::sync_job { $map->load };	2368	$map->load;
2187	}	2369	}
2188		2370
2189	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2190	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2191		2373
2192	sub find_async {	2374	sub find_async {
2193	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2194		2376
2195	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2196		2378
2197	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2199	}	2381	}
2200		2382
2201	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2202		2384
2203	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2217	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2218		2400
2219	()	2401	()
2220	}	2402	}
2221		2403
		2404	# common code, used by both ->save and ->swapout
2222	sub save {	2405	sub _save {
2223	my ($self) = @_;	2406	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226		2407
2227	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2228		2409
2229	return unless $self->dirty;	2410	return unless $self->dirty;
2230		2411
…		…
2250	} else {	2431	} else {
2251	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2252	}	2433	}
2253	}	2434	}
2254		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2255	sub swap_out {	2444	sub swap_out {
2256	my ($self) = @_;	2445	my ($self) = @_;
2257		2446
2258	# save first because save cedes
2259	$self->save;
2260
2261	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2262		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2263	return if $self->players;	2451	return if $self->players;
2264	return if $self->in_memory != cf::MAP_ACTIVE;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2265	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2266		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2267	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2268		2503
2269	$self->deactivate;	2504	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;	2506	$self->clear;
2272	}
2273
2274	sub reset_at {
2275	my ($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		2507
2317	$self->unlink_save;	2508	$self->unlink_save;
2318	$self->destroy;	2509	$self->destroy;
2319	}	2510	}
2320		2511
…		…
2328		2519
2329	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2330		2521
2331	$self->unlink_save;	2522	$self->unlink_save;
2332		2523
2333	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2334	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2335	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2336	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2338		2529
…		…
2395	: normalise $_	2586	: normalise $_
2396	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2397	]	2588	]
2398	}	2589	}
2399		2590
		2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
		2622
2400	=back	2623	=back
2401		2624
2402	=head3 cf::object	2625	=head3 cf::object
2403		2626
2404	=cut	2627	=cut
…		…
2427		2650
2428	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2429		2652
2430	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2431		2654
2432	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2433	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2434		2657
2435	=cut	2658	=cut
2436		2659
2437	sub deref {	2660	sub deref {
…		…
2469		2692
2470	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2471	id => "say",	2694	id => "say",
2472	title => "Map",	2695	title => "Map",
2473	reply => "say ",	2696	reply => "say ",
2474	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2475	};	2698	};
2476		2699
2477	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2478	id => "chat",	2701	id => "chat",
2479	title => "Chat",	2702	title => "Chat",
…		…
2534		2757
2535	=item $player_object->enter_link	2758	=item $player_object->enter_link
2536		2759
2537	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
2538		2761
2539	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
2540	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
2541		2766
2542	Will never block.	2767	Will never block.
2543		2768
2544	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2545		2770
…		…
2565	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2566	my ($self) = @_;	2791	my ($self) = @_;
2567		2792
2568	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2569		2794
		2795	++$self->{_link_recursion};
		2796
2570	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2571		2798
2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2573	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2574		2801
2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2576	}	2803	}
2577		2804
2578	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2579	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2580		2807
…		…
2597	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2598	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2599		2826
2600	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2601	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2602	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2603		2830
2604	$map->load;	2831	$map->load;
2605	$map->load_neighbours;
2606		2832
2607	return unless $self->contr->active;	2833	return unless $self->contr->active;
2608	$self->activate_recursive;
2609		2834
2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2612	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2613		2842
		2843	}
		2844
2614	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2615		2846
2616	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2617	her, loading and preparing them map, calling the provided $check callback	2848	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	2849	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	2850	the new (success) or old (failed) map position. In either case, $done will
…		…
2626		2857
2627	our $GOTOGEN;	2858	our $GOTOGEN;
2628		2859
2629	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2630	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
2631		2868
2632	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2634		2871
2635	$self->enter_link;	2872	$self->enter_link;
…		…
2655	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2656	}	2893	}
2657	}	2894	}
2658		2895
2659	my $map = eval {	2896	my $map = eval {
2660	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2661		2898
2662	if ($map) {	2899	if ($map) {
2663	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2664	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2665	} else {	2902	} else {
2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2667	}	2904	}
2668		2905
2669	$map	2906	$map
…		…
2677	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2678	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2679	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2680	}	2917	}
2681		2918
2682	$done->() if $done;	2919	$done->($self) if $done;
2683	})->prio (1);	2920	})->prio (1);
2684	}	2921	}
2685		2922
2686	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2687		2924
…		…
2755	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2756		2993
2757	unless (eval {	2994	unless (eval {
2758	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2759		2996
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;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2769	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2770	my $y = $exit->stats->sp;	2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
2771		3023
2772	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2773		3025
2774	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2775	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2776	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2777		3029
2778	1	3030	1
2779	}) {	3031	}) {
2780	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2781	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2782	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2783	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2784		3036
2785	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2786	$self->leave_link;	3038	$self->leave_link;
2787	}	3039	}
2788	})->prio (1);	3040	})->prio (1);
2789	}	3041	}
2790		3042
…		…
2802	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2803	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2804		3056
2805	utf8::encode $text;	3057	utf8::encode $text;
2806	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2807	}	3084	}
2808		3085
2809	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2810		3087
2811	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2815		3092
2816	=cut	3093	=cut
2817		3094
2818	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2819	our %CHANNEL = (	3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
2820	"c/identify" => {	3103	"c/identify" => {
2821	id => "infobox",	3104	id => "infobox",
2822	title => "Identify",	3105	title => "Identify",
2823	reply => undef,	3106	reply => undef,
2824	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2826	"c/examine" => {	3109	"c/examine" => {
2827	id => "infobox",	3110	id => "infobox",
2828	title => "Examine",	3111	title => "Examine",
2829	reply => undef,	3112	reply => undef,
2830	tooltip => "Signs and other items you examined",	3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
2831	},	3120	},
2832	"c/book" => {	3121	"c/book" => {
2833	id => "infobox",	3122	id => "infobox",
2834	title => "Book",	3123	title => "Book",
2835	reply => undef,	3124	reply => undef,
…		…
2851	id => "infobox",	3140	id => "infobox",
2852	title => "Body Parts",	3141	title => "Body Parts",
2853	reply => undef,	3142	reply => undef,
2854	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2855	},	3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
2856	"c/uptime" => {	3181	"c/uptime" => {
2857	id => "infobox",	3182	id => "infobox",
2858	title => "Uptime",	3183	title => "Uptime",
2859	reply => undef,	3184	reply => undef,
2860	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2869	id => "party",	3194	id => "party",
2870	title => "Party",	3195	title => "Party",
2871	reply => "gsay ",	3196	reply => "gsay ",
2872	tooltip => "Messages and chat related to your party",	3197	tooltip => "Messages and chat related to your party",
2873	},	3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
2874	);	3213	);
2875		3214
2876	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2877	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2878		3217
2879	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2880		3220
2881	$color &= cf::NDI_CLIENT_MASK; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2882		3222
2883	# check predefined channels, for the benefit of C	3223	# check predefined channels, for the benefit of C
2884	if ($CHANNEL{$channel}) {	3224	if ($CHANNEL{$channel}) {
2885	$channel = $CHANNEL{$channel};	3225	$channel = $CHANNEL{$channel};
2886		3226
2887	$self->ext_msg (channel_info => $channel)	3227	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889
2890	$channel = $channel->{id};	3228	$channel = $channel->{id};
2891		3229
2892	} elsif (ref $channel) {	3230	} elsif (ref $channel) {
2893	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2894	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2895	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2896	$self->ext_msg (channel_info => $channel)	3234	$self->ext_msg (channel_info => $channel);
2897	if $self->can_msg;
2898	}	3235	}
2899		3236
2900	$channel = $channel->{id};	3237	$channel = $channel->{id};
2901	}	3238	}
2902		3239
2903	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2904		3241
2905	if ($self->can_msg) {
2906	# default colour, mask it out	3242	# default colour, mask it out
2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908	if $color & cf::NDI_DEF;	3244	if $color & cf::NDI_DEF;
2909		3245
2910	$self->send_packet ("msg " . $self->{json_coder}->encode (	3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912	} else {	3249	);
2913	if ($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		3250
2924	$color &= cf::NDI_COLOR_MASK;	3251	$self->send_big_packet ($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	}	3252	}
2938		3253
2939	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2940		3255
2941	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2943	=cut	3258	=cut
2944		3259
2945	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2946	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2947		3262
2948	if ($self->extcmd == 2) {
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$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	}	3264	}
2973		3265
2974	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2975		3267
2976	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
3031	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
3032		3324
3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3034		3326
3035	if (ref $msg) {	3327	if (ref $msg) {
3036	my ($type, $reply, @payload) =	3328	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		3329
3041	my @reply;
3042
3043	if (my $cb = $EXTICMD{$type}) {	3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
3044	@reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
3045	}	3348	}
3046
3047	$ns->ext_reply ($reply, @reply)
3048	if $reply;
3049
3050	} else {	3349	} else {
3051	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3052	}	3351	}
3053		3352
3054	cf::override;	3353	cf::override;
3055	},	3354	},
3056	);	3355	);
…		…
3076		3375
3077	$coro	3376	$coro
3078	}	3377	}
3079		3378
3080	cf::client->attach (	3379	cf::client->attach (
3081	on_destroy => sub {	3380	on_client_destroy => sub {
3082	my ($ns) = @_;	3381	my ($ns) = @_;
3083		3382
3084	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3085	},	3384	},
3086	);	3385	);
…		…
3102	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
3103		3402
3104	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
3105		3404
3106	$safe->permit_only (Opcode::opset qw(	3405	$safe->permit_only (Opcode::opset qw(
3107	:base_core :base_mem :base_orig :base_math	3406	:base_core :base_mem :base_orig :base_math :base_loop
3108	grepstart grepwhile mapstart mapwhile	3407	grepstart grepwhile mapstart mapwhile
3109	sort time	3408	sort time
3110	));	3409	));
3111		3410
3112	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
…		…
3116	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
3117		3416
3118	cf::object	3417	cf::object
3119	contr pay_amount pay_player map x y force_find force_add destroy	3418	contr pay_amount pay_player map x y force_find force_add destroy
3120	insert remove name archname title slaying race decrease split	3419	insert remove name archname title slaying race decrease split
		3420	value
3121		3421
3122	cf::object::player	3422	cf::object::player
3123	player	3423	player
3124		3424
3125	cf::player	3425	cf::player
…		…
3131	=cut	3431	=cut
3132		3432
3133	for (	3433	for (
3134	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3434	["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	3435	insert remove inv nrof name archname title slaying race
3136	decrease split destroy change_exp)],	3436	decrease split destroy change_exp value msg lore send_msg)],
3137	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
3138	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
3139	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
3140	) {	3440	) {
3141	no strict 'refs';
3142	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
3143	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3144	for @funs;	3443	for @funs;
3145	}	3444	}
3146		3445
…		…
3161		3460
3162	my $qcode = $code;	3461	my $qcode = $code;
3163	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3164	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
3165		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
3166	local $_;	3468	local $_;
3167	local @safe::cf::_safe_eval_args = values %vars;
3168		3469
3169	my $eval =	3470	my $eval =
3170	"do {\n"	3471	"do {\n"
3171	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3172	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
3173	. $code	3474	. $code
3174	. "\n}"	3475	. "\n}"
3175	;	3476	;
3176		3477
		3478	if ($CFG{safe_eval}) {
3177	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
3178	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3179	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
3180		3487
3181	if ($@) {	3488	if ($@) {
3182	warn "$@";	3489	warn "$@",
3183	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
3184	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
3185	}	3492	}
3186		3493
3187	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
3188	}	3495	}
3189		3496
…		…
3203	=cut	3510	=cut
3204		3511
3205	sub register_script_function {	3512	sub register_script_function {
3206	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
3207		3514
3208	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
3209	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
3210	}	3517	}
3211		3518
3212	=back	3519	=back
3213		3520
3214	=cut	3521	=cut
3215		3522
3216	#############################################################################	3523	#############################################################################
3217	# the server's init and main functions	3524	# the server's init and main functions
3218		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_chksum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
3219	sub load_facedata($) {	3603	sub load_facedata($) {
3220	my ($path) = @_;	3604	my ($path) = @_;
3221		3605
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;	3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3227		3607
3228	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
3229		3609
3230	my $facedata;	3610	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		3611
3236	$facedata->{version} == 2	3612	$facedata->{version} == 2
3237	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3238		3614
3239	# patch in the exptable	3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3240	$facedata->{resource}{"res/exp_table"} = {	3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3241	type => FT_RSRC,	3617
3242	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3243	};	3619
3244	cf::cede_to_tick;	3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
3245		3623
3246	{	3624	{
3247	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
3248		3626
3249	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251		3630
3252	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
3253	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
3254	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3255	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3256		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3257	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
3258	}	3638	}
3259		3639
3260	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
3261	next unless $info->{smooth};	3641	next unless $info->{smooth};
3262		3642
…		…
3265		3645
3266	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
3267	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3269	} else {	3649	} else {
3270	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
3271	}	3651	}
3272
3273	cf::cede_to_tick;
3274	}	3652	}
3275	}	3653	}
3276		3654
3277	{	3655	{
3278	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
3279		3657
3280	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
3281	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
3282	cf::cede_to_tick;
3283	}	3660	}
3284		3661
3285	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
3286	}	3663	}
3287		3664
3288	{	3665	{
3289	# TODO: for gcfclient pleasure, we should give resources
3290	# that gcfclient doesn't grok a >10000 face index.
3291	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
3292		3667
3293	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
3294	if (defined $info->{type}) {	3669	if (defined (my $type = $info->{type})) {
		3670	# 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;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296	my $data;
3297		3672
3298	if ($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};	3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
3313	} else {	3679	} else {
3314	$RESOURCE{$name} = $info;	3680	# $RESOURCE{$name} = $info; # unused
3315	}	3681	}
3316
3317	cf::cede_to_tick;
3318	}	3682	}
3319	}	3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
3320		3694
3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3322		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
3323	1	3699	1
3324	}	3700	}
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 => $face;
3342	}
3343	}
3344	});
3345		3701
3346	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
3347	my ($ns, $want) = @_;	3703	my ($ns, $want) = @_;
3348		3704
3349	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
…		…
3357	my $status = load_resource_file_ $_[0];	3713	my $status = load_resource_file_ $_[0];
3358	get_slot 0.1, 100;	3714	get_slot 0.1, 100;
3359	cf::arch::commit_load;	3715	cf::arch::commit_load;
3360		3716
3361	$status	3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
3362	}	3732	}
3363		3733
3364	sub reload_regions {	3734	sub reload_regions {
3365	# HACK to clear player env face cache, we need some signal framework	3735	# HACK to clear player env face cache, we need some signal framework
3366	# for this (global event?)	3736	# for this (global event?)
…		…
3374	if exists $_->{match};	3744	if exists $_->{match};
3375	}	3745	}
3376	}	3746	}
3377		3747
3378	sub reload_facedata {	3748	sub reload_facedata {
3379	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
3380	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
3381	}	3751	}
3382		3752
3383	sub reload_archetypes {	3753	sub reload_archetypes {
3384	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
3385	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
		3756
		3757	cf::face::set
		3758	"res/skill_info" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
3386	}	3768	}
3387		3769
3388	sub reload_treasures {	3770	sub reload_treasures {
3389	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
3390	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
3391	}	3773	}
3392		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
3393	sub reload_resources {	3795	sub reload_resources {
3394	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
3395		3797
		3798	reload_materials;
3396	reload_facedata;	3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
3397	reload_archetypes;	3802	reload_archetypes;
3398	reload_regions;	3803	reload_regions;
3399	reload_treasures;	3804	reload_treasures;
3400		3805
3401	warn "finished reloading resource files\n";	3806	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	}	3807	}
3411		3808
3412	sub reload_config {	3809	sub reload_config {
3413	open my $fh, "<:utf8", "$CONFDIR/config"	3810	trace "reloading config file...\n";
3414	or return;
3415		3811
3416	local $/;	3812	my $config = load_file "$CONFDIR/config";
3417	*CFG = YAML::Load <$fh>;	3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
3418		3815
3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3420		3817
3421	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$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};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3423		3820
3424	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
3428	};	3825	};
3429	warn $@ if $@;	3826	warn $@ if $@;
3430	}	3827	}
3431	}	3828	}
3432		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
3433	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
3434	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
3435	local $Coro::idle = sub {	3869	$Coro::idle = sub {
3436	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3437	(async {	3871	(async {
3438	$Coro::current->{desc} = "IDLE BUG HANDLER";	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
3439	EV::loop EV::LOOP_ONESHOT;	3873	EV::loop EV::LOOP_ONESHOT;
3440	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
3441	};	3875	};
3442		3876
3443	{	3877	evthread_start IO::AIO::poll_fileno;
3444	my $guard = freeze_mainloop;	3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
		3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
3445	reload_config;	3891	reload_config;
3446	db_init;	3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
3447	load_extensions;	3901	load_extensions;
3448		3902
3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3903	utime time, time, $RUNTIMEFILE;
		3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
3450	}	3910	};
3451		3911
3452	EV::loop;	3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
3453	}	3920	}
3454		3921
3455	#############################################################################	3922	#############################################################################
3456	# initialisation and cleanup	3923	# initialisation and cleanup
3457		3924
3458	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
3459	BEGIN {	3926	BEGIN {
3460	our %SIGWATCHER = ();	3927	our %SIGWATCHER = ();
3461	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3463	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3464	};	3931	};
3465	}	3932	}
3466	}	3933	}
3467		3934
3468	sub write_runtime_sync {	3935	sub write_runtime_sync {
3469	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3470		3937
3471	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3472	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3473		3940
3474	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475		3942
3476	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3477		3944
3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3479	or return;	3946	or return;
3480		3947
3481	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3482	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3483	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3493	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3494		3961
3495	close $fh	3962	close $fh
3496	or return;	3963	or return;
3497		3964
3498	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499	and return;	3966	and return;
3500		3967
3501	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3502		3969
3503	1	3970	1
3504	}	3971	}
3505		3972
3506	our $uuid_lock;	3973	our $uuid_lock;
…		…
3515	my $uuid = "$LOCALDIR/uuid";	3982	my $uuid = "$LOCALDIR/uuid";
3516		3983
3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518	or return;	3985	or return;
3519		3986
3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
3521	$uuid_skip = 0;	3995	$uuid_skip = 0;
3522		3996
3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3524	and return;	3998	and return;
3525		3999
…		…
3531	or return;	4005	or return;
3532		4006
3533	aio_rename "$uuid~", $uuid	4007	aio_rename "$uuid~", $uuid
3534	and return;	4008	and return;
3535		4009
3536	warn "uuid file written ($value).\n";	4010	trace "uuid file written ($value).\n";
3537		4011
3538	1	4012	1
3539		4013
3540	}	4014	}
3541		4015
…		…
3547	}	4021	}
3548		4022
3549	sub emergency_save() {	4023	sub emergency_save() {
3550	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3551		4025
3552	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
3553		4032
3554	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3555	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3556	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3557	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3558	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3559	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3560	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3561	$pl->valid or next;	4042	$pl->valid or next;
3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563	$pl->save;	4044	$pl->save;
3564	}	4045	}
3565	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3566		4047
3567	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
3568	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3569	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3570	$map->valid or next;	4053	$map->valid or next;
3571	$map->save;	4054	$map->save;
3572	}	4055	}
3573	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3574		4057
3575	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
3576	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3577	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
3578		4063
3579	warn "begin write uuid\n";	4064	info "emergency_perl_save: begin write uuid\n";
3580	write_uuid_sync 1;	4065	write_uuid_sync 1;
3581	warn "end write uuid\n";	4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
3582	};	4086	};
3583		4087
3584	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3585	}	4089	}
3586		4090
3587	sub post_cleanup {	4091	sub post_cleanup {
3588	my ($make_core) = @_;	4092	my ($make_core) = @_;
3589		4093
		4094	IO::AIO::flush;
		4095
3590	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3591	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
3592	}	4101	}
3593		4102
3594	# a safer delete_package, copied from Symbol	4103	# a safer delete_package, copied from Symbol
3595	sub clear_package($) {	4104	sub clear_package($) {
3596	my $pkg = shift;	4105	my $pkg = shift;
…		…
3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613	for my $name (keys %$leaf_symtab) {	4122	for my $name (keys %$leaf_symtab) {
3614	_gv_clear *{"$pkg$name"};	4123	_gv_clear *{"$pkg$name"};
3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616	}	4125	}
3617	warn "cleared package #$pkg\n";#d#
3618	}	4126	}
3619
3620	our $RELOAD; # how many times to reload
3621		4127
3622	sub do_reload_perl() {	4128	sub do_reload_perl() {
3623	# can/must only be called in main	4129	# can/must only be called in main
3624	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3625	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3626	return;	4132	return;
3627	}	4133	}
3628		4134
3629	return if $RELOAD++;	4135	return if $RELOAD++;
3630		4136
		4137	my $t1 = AE::time;
		4138
3631	while ($RELOAD) {	4139	while ($RELOAD) {
3632	warn "reloading...";	4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
3633		4142
3634	warn "entering sync_job";	4143	trace "perl_reload: entering sync_job";
3635		4144
3636	cf::sync_job {	4145	cf::sync_job {
3637	cf::write_runtime_sync; # external watchdog should not bark
3638	cf::emergency_save;	4146	#cf::emergency_save;
3639	cf::write_runtime_sync; # external watchdog should not bark
3640		4147
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";	4148	trace "perl_reload: cancelling all extension coros";
3652	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3653	%EXT_CORO = ();	4150	%EXT_CORO = ();
3654		4151
3655	warn "removing commands";	4152	trace "perl_reload: removing commands";
3656	%COMMAND = ();	4153	%COMMAND = ();
3657		4154
3658	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3659	%EXTCMD = ();	4156	%EXTCMD = ();
3660	%EXTICMD = ();	4157	%EXTICMD = ();
3661		4158
3662	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3663	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3664	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3665		4162
3666	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3667	eval {	4164	eval {
3668	$cb->($pkg);	4165	$cb->($pkg);
3669	1	4166	1
3670	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
3671	}	4168	}
3672		4169
3673	warn "... clearing $pkg";	4170	trace "... clearing $pkg";
3674	clear_package $pkg;	4171	clear_package $pkg;
3675	}	4172	}
3676		4173
3677	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3678	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3680		4177
3681	warn "... unloading $k";	4178	trace "... unloading $k";
3682	delete $INC{$k};	4179	delete $INC{$k};
3683		4180
3684	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3685	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3686		4183
…		…
3689	}	4186	}
3690		4187
3691	clear_package $k;	4188	clear_package $k;
3692	}	4189	}
3693		4190
3694	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3695	clear_package "safe::$_"	4192	clear_package "safe::$_"
3696	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3697		4194
3698	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3699	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3700	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701		4198
3702	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3703	# and global variables created in xs	4200	# and global variables created in xs
3704	#clear_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3705		4202
3706	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3707		4204
3708	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3709	require cf;	4206	require cf;
3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3711		4208
3712	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3713	cf::reload_config;	4210	cf::reload_config;
3714		4211
3715	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3716	cf::load_extensions;	4213	cf::load_extensions;
3717		4214
		4215	if ($REATTACH_ON_RELOAD) {
3718	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3719	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3720	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3721	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3722	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3723	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3724		4223
3725	warn "leaving sync_job";	4224	cf::_post_init 1;
		4225
		4226	trace "perl_reload: leaving sync_job";
3726		4227
3727	1	4228	1
3728	} or do {	4229	} or do {
3729	warn $@;	4230	error $@;
3730	cf::cleanup "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
3731	};	4232	};
3732		4233
3733	warn "reloaded";
3734	--$RELOAD;	4234	--$RELOAD;
3735	}	4235	}
		4236
		4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3736	};	4239	};
3737		4240
3738	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3739		4242
3740	sub reload_perl() {	4243	sub reload_perl() {
3741	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3742	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3743		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3745	do_reload_perl;	4251	do_reload_perl;
3746	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
		4253	};
3747	};	4254	};
3748	}	4255	}
3749		4256
3750	register_command "reload" => sub {	4257	register_command "reload" => sub {
3751	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
…		…
3757	reload_perl;	4264	reload_perl;
3758	};	4265	};
3759	}	4266	}
3760	};	4267	};
3761		4268
3762	unshift @INC, $LIBDIR;	4269	#############################################################################
3763		4270
3764	my $bug_warning = 0;	4271	my $bug_warning = 0;
3765		4272
3766	our @WAIT_FOR_TICK;
3767	our @WAIT_FOR_TICK_BEGIN;
3768
3769	sub wait_for_tick {	4273	sub wait_for_tick() {
3770	return if tick_inhibit || $Coro::current == $Coro::main;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3771		4275
3772	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3773	push @WAIT_FOR_TICK, $signal;
3774	$signal->wait;
3775	}	4277	}
3776		4278
3777	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3778	return if tick_inhibit || $Coro::current == $Coro::main;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3779		4281
3780	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3781	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3782	$signal->wait;	4284	$signal->wait;
3783	}	4285	}
…		…
3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3788	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3789	return;	4291	return;
3790	}	4292	}
3791		4293
3792	cf::server_tick; # one server iteration	4294	cf::one_tick; # one server iteration
		4295
		4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3793		4297
3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3795	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3796	Coro::async_pool {	4300	Coro::async_pool {
3797	$Coro::current->{desc} = "runtime saver";	4301	$Coro::current->{desc} = "runtime saver";
3798	write_runtime_sync	4302	write_runtime_sync
3799	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
3800	};	4304	};
3801	}	4305	}
3802		4306
3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3804	$sig->send;	4308	$sig->send;
3805	}	4309	}
3806	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3807	$sig->send;
3808	}
3809		4311
3810	$LOAD = ($NOW - $TICK_START) / $TICK;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3812		4314
3813	if (0) {	4315	if (0) {
3814	if ($NEXT_TICK) {	4316	if ($NEXT_TICK) {
3815	my $jitter = $TICK_START - $NEXT_TICK;	4317	my $jitter = $TICK_START - $NEXT_TICK;
3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3817	warn "jitter $JITTER\n";#d#	4319	debug "jitter $JITTER\n";#d#
3818	}	4320	}
3819	}	4321	}
3820	}	4322	}
3821		4323
3822	{	4324	{
3823	# configure BDB	4325	# configure BDB
		4326	info "initialising database";
3824		4327
3825	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3826	BDB::max_poll_reqs $TICK * 0.1;	4329	BDB::max_poll_reqs $TICK * 0.1;
3827	$AnyEvent::BDB::WATCHER->priority (1);	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3828		4331
3829	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3830	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3832	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4335	$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 { };	4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3858	};	4361	};
3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3861	};	4364	};
		4365
		4366	info "database initialised";
3862	}	4367	}
3863		4368
3864	{	4369	{
3865	# configure IO::AIO	4370	# configure IO::AIO
3866		4371
		4372	info "initialising aio";
3867	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3868	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3869	undef $AnyEvent::AIO::WATCHER;	4375	undef $AnyEvent::AIO::WATCHER;
		4376	info "aio initialised";
3870	}	4377	}
3871		4378
3872	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3873		4381
3874	sub _log_backtrace {	4382	sub _log_backtrace {
3875	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3876		4384
3877	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3878		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3879	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3880	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3881	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3882	async {	4395	async {
3883	$Coro::current->{desc} = "abt $msg";	4396	$Coro::current->{desc} = "abt $msg";
3884		4397
3885	my @bt = fork_call {	4398	my @bt = fork_call {
3886	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
…		…
3897	}	4410	}
3898		4411
3899	@funcs	4412	@funcs
3900	};	4413	};
3901		4414
3902	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3904	--$_log_backtrace;	4418	--$_log_backtrace;
3905	};	4419	};
3906	} else {	4420	} else {
3907	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3908	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3909	}	4423	}
3910	}	4424	}
3911		4425
3912	# load additional modules	4426	# load additional modules
3913	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3914		4429
3915	END { cf::emergency_save }	4430	END { cf::emergency_save }
3916		4431
3917	1	4432	1
3918		4433

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