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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.382 by root, Thu Oct 11 00:34:31 2007 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
32	use IO::AIO 2.51 ();	63	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
57	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
60		97
61	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
63		102
64	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
65	our $DATADIR = datadir;	105	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
69	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
75		126
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	129	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		131
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	135	our $DB_ENV;
89		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
90	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		141
92	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
		145	our $NOW;
94		146
95	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
98		150
99	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		153
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
105		166
106	binmode STDOUT;	167	binmode STDOUT;
107	binmode STDERR;	168	binmode STDERR;
108		169
109	# read virtual server time, if available	170	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
114	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
115		178
116	mkdir $_	179	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		181
119	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
120		183
121	sub cf::map::normalise;	184	sub cf::map::normalise;
122		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
123	#############################################################################	190	#############################################################################
124		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
125	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
126		204
127	=over 4	205	=over 4
128		206
129	=item $cf::UPTIME	207	=item $cf::UPTIME
130		208
131	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
132		225
133	=item $cf::RUNTIME	226	=item $cf::RUNTIME
134		227
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	229	every server tick.
137		230
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		234
142	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
145	database environment.	238	database environment.
146		239
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	240	=item $cf::LOADAVG
156		241
157	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
162		247
163	The raw value load value from the last tick.	248	The raw value load value from the last tick.
164		249
165	=item %cf::CFG	250	=item %cf::CFG
166		251
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	253	from wherever your confdir points to.
169		254
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		256
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
175		278
176	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
177		280
178	This array contains the results of the last C<invoke ()> call. When	281	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	283	that call.
181		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
		290
182	=back	291	=back
183		292
184	=cut	293	=cut
185		294
186	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	302	my $msg = join "", @_;
189		303
190	$msg .= "\n"	304	$msg .= "\n"
191	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
192		306
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		308
195	LOG llevError, $msg;	309	LOG llevWarn, $msg;
196	};	310	};
197	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
198		325
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	336	for my $pkg (qw(
210	cf::global cf::attachable	337	cf::global cf::attachable
211	cf::object cf::object::player	338	cf::object cf::object::player
212	cf::client cf::player	339	cf::client cf::player
213	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
214	cf::map cf::party cf::region	342	cf::party cf::region
215	)) {	343	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	345	}
219		346
220	$Event::DIED = sub {	347	$EV::DIED = sub {
221	warn "error in event callback: @_";	348	warn "error in event callback: $@";
222	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
223		355
224	#############################################################################	356	#############################################################################
225		357
226	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
227		359
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	381	$d
250	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
251	}	383	}
252		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
253	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
254		438
255	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
256		440
257	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
258		442
259	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
260		444
261	=cut	445	=cut
262		446
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		448
265	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
267		527
268	=item cf::lock_wait $string	528	=item cf::lock_wait $string
269		529
270	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
271		531
272	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
273		533
274	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
277	returned.	537	returned.
278		538
279	Locks are *not* recursive, locking from the same coro twice results in a	539	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	540	deadlocked coro.
…		…
286		546
287	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
288		548
289	=cut	549	=cut
290		550
291	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		552
294	sub lock_wait($) {	553	sub lock_wait($) {
295	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	555	}
308		556
309	sub lock_acquire($) {	557	sub lock_acquire($) {
310	my ($key) = @_;	558	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	559	}
324		560
325	sub lock_active($) {	561	sub lock_active($) {
326	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	563	}
330		564
331	sub freeze_mainloop {	565	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
333		567
334	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	569	}
336	};	570
337	$TICK_WATCHER->stop;	571	=item cf::periodic $interval, $cb
338	$guard	572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
339	}	584	}
340		585
341	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
342		587
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
346		595
347	The optional C<$name> can be used to identify the job to run. It might be	596	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
349		598
350	Useful for short background jobs.	599	Useful for short background jobs.
351		600
352	=cut	601	=cut
353		602
354	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
356		606
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
360		610
361	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
362		613
363	while () {	614	while () {
364	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
365	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	620
367	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	625	$job->[2]->send;
371	Coro::cede;
372	goto next_job;	626	goto next_job;
373	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	629	}
375	}	630	}
376		631
377	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
379	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;
381	} else {	634	} else {
		635	$busy = 0;
382	Coro::schedule;	636	Coro::schedule;
383	}	637	}
384	}	638	}
385	};	639	};
386		640
387	sub get_slot($;$$) {	641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
388	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
389		645
390	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
391	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
392		649
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
406		663
407	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
408		665
409	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
410		667
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	671	acceptable.
415		672
416	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	678	=cut
422		679
423	sub sync_job(&) {	680	sub sync_job(&) {
424	my ($job) = @_;	681	my ($job) = @_;
425		682
426	if ($Coro::current == $Coro::main) {	683	if (in_main) {
427	my $time = Event::time;	684	my $time = AE::time;
428		685
429	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
431		688
432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
433		690
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
437		692
438	my $busy = 1;	693	my $busy = 1;
439	my @res;	694	my @res;
440		695
441	(async {	696	(async {
442	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	698	@res = eval { $job->() };
444	warn $@ if $@;	699	error $@ if $@;
445	undef $busy;	700	undef $busy;
446	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
447		702
448	while ($busy) {	703	while ($busy) {
449	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
450	}	708	}
		709	}
451		710
452	$time = Event::time - $time;	711	my $time = AE::time - $time;
453		712
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
458		714
459	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
460	} else {	716	} else {
461	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
462		718
…		…
482	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
483		739
484	$coro	740	$coro
485	}	741	}
486		742
487	=item fork_call { }, $args	743	=item fork_call { }, @args
488		744
489	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
493		749
494	=cut	750	=cut
		751
		752	sub post_fork {
		753	reset_signals;
		754	}
495		755
496	sub fork_call(&@) {	756	sub fork_call(&@) {
497	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
498		758
499	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)
502
503	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
504	reset_signals;	760	cf::post_fork;
505	&$cb	761	&$cb
506	}, @args;	762	} @args;
507		763
508	wantarray ? @res : $res[-1]	764	wantarray ? @res : $res[-1]
		765	}
		766
		767	sub objinfo {
		768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
509	}	803	}
510		804
511	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
512		806
513	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
523	within each server.	817	within each server.
524		818
525	=cut	819	=cut
526		820
527	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
528	my ($name) = @_;	825	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
530		827
531	eval {	828	eval {
532	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
542	}	839	}
543		840
544	our $DB;	841	our $DB;
545		842
546	sub db_init {	843	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	844	$DB ||= db_table "db";
549	};
550	}	845	}
551		846
552	sub db_get($$) {	847	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
554		849
555	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
556	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
557		854
558	$! ? ()	855	$! ? ()
559	: $data	856	: $data
560	}
561	}	857	}
562		858
563	sub db_put($$$) {	859	sub db_put($$$) {
564	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		889
594	my @data;	890	my @data;
595	my $md5;	891	my $md5;
596		892
597	for (0 .. $#$src) {	893	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	895	}
601		896
602	# if processing is expensive, check	897	# if processing is expensive, check
603	# checksum first	898	# checksum first
604	if (1) {	899	if (1) {
…		…
617		912
618	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
619	}	914	}
620	}	915	}
621		916
622	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
623	my $data = $process->(\@data);	918	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
625		920
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		922
628	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
631		926
…		…
641		936
642	=cut	937	=cut
643		938
644	sub datalog($@) {	939	sub datalog($@) {
645	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	942	}
648		943
649	=back	944	=back
650		945
651	=cut	946	=cut
652		947
653	#############################################################################	948	#############################################################################
654		949
655	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
656		951
657	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
660		955
661	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	958	Deliantra).
664		959
665	=over 4	960	=over 4
666		961
667	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
668		963
…		…
712	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
713		1008
714	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
716		1011
717	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
719		1014
720	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
721		1016
722	=over 4	1017	=over 4
…		…
846		1141
847	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1144
850	} elsif (ref $type) {	1145	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
852		1147
853	} else {	1148	} else {
854	shift @arg;	1149	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
856	}	1151	}
857	}	1152	}
858	}	1153	}
859		1154
860	sub _object_attach {	1155	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
871	}	1166	}
872		1167
873	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
874	} else {	1169	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1171	}
877		1172
878	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
879	}	1174	}
880		1175
…		…
939		1234
940	for (@$callbacks) {	1235	for (@$callbacks) {
941	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
942		1237
943	if ($@) {	1238	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1240	override;
947	}	1241	}
948		1242
949	return 1 if $override;	1243	return 1 if $override;
950	}	1244	}
951		1245
952	0	1246	0
953	}	1247	}
954		1248
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1250
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1252
959	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
960		1254
…		…
966		1260
967	=cut	1261	=cut
968		1262
969	#############################################################################	1263	#############################################################################
970	# object support	1264	# object support
971	#
972		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
973	sub _can_merge {	1299	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1300	my ($ob1, $ob2) = @_;
975		1301
976	local $Storable::canonical = 1;	1302	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1303
980	$fob1 eq $fob2	1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
981	}	1306	}
982		1307
983	sub reattach {	1308	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1310	my ($obj) = @_;
986		1311
		1312	# no longer needed after getting rid of delete_package?
987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
988		1314
989	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
990		1316
991	@$registry = ();	1317	@$registry = ();
992		1318
…		…
997	for (@$attach) {	1323	for (@$attach) {
998	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
999	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1000	}	1326	}
1001	} else {	1327	} else {
1002	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1003	}	1329	}
1004	}	1330	}
1005	}	1331	}
1006		1332
1007	cf::attachable->attach (	1333	cf::attachable->attach (
1008	prio => -1000000,	1334	prio => -1000000,
1009	on_instantiate => sub {	1335	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
1011		1337
1012	$data = from_json $data;	1338	$data = decode_json $data;
1013		1339
1014	for (@$data) {	1340	for (@$data) {
1015	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
1016		1342
1017	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
1034	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1035		1361
1036	sync_job {	1362	sync_job {
1037	if (length $$rdata) {	1363	if (length $$rdata) {
1038	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1041		1368
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
1046	close $fh;	1376	aio_close $fh;
1047		1377
1048	if (@$objs) {	1378	if (@$objs) {
1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
1054	close $fh;	1387	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1389	}
1057	} else {	1390	} else {
1058	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1059	}	1392	}
1060		1393
1061	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1398	} else {
1063	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1064	}	1400	}
1065	} else {	1401	} else {
1066	aio_unlink $filename;	1402	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1068	}	1404	}
…		…
1087		1423
1088	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1426	or return;
1091		1427
1092	my $st = eval { Coro::Storable::thaw $av }	1428	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1429	$av = $st->{objs};
1095	}	1430	}
1096		1431
1097	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1100		1436
1101	($data, $av)	1437	($data, $av)
1102	}	1438	}
1103		1439
1104	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1108	=cut	1444	=cut
1109		1445
1110	#############################################################################	1446	#############################################################################
1111	# command handling &c	1447	# command handling &c
1112		1448
1113	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1114		1450
1115	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1116	$name.	1452	$name.
1117		1453
1118	=cut	1454	=cut
…		…
1124	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1125		1461
1126	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1127	}	1463	}
1128		1464
1129	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1130		1466
1131	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1132	extcmd packet. Ext commands will be processed in the order they are	1468	extcmd packet. Ext commands will be processed in the order they are
1133	received by the server, like other user commands. The first argument is	1469	received by the server, like other user commands. The first argument is
1134	the logged-in player. Ext commands can only be processed after a player	1470	the logged-in player. Ext commands can only be processed after a player
1135	has logged in successfully.	1471	has logged in successfully.
1136		1472
1137	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1138	called.
1139		1474
		1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
1140	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1141		1481
1142	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1143	exticmd packet. Exti commands are processed by the server as soon as they	1483	exticmd packet. Exti commands are processed by the server as soon as they
1144	are received, i.e. out of order w.r.t. other commands. The first argument	1484	are received, i.e. out of order w.r.t. other commands. The first argument
1145	is a client socket. Exti commands can be received anytime, even before	1485	is a client socket. Exti commands can be received anytime, even before
1146	log-in.	1486	log-in.
1147		1487
1148	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1149	called.
1150		1489
1151	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1152		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1153	sub register_extcmd {	1497	sub register_extcmd($$) {
1154	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1155		1499
1156	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1157	}	1501	}
1158		1502
1159	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1160	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1161		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1162	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1163	}	1513	}
1164		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1165	cf::player->attach (	1523	cf::player->attach (
1166	on_command => sub {	1524	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1168		1526
1169	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1170	or return;	1528	or return;
1171		1529
…		…
1179	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1180		1538
1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1182		1540
1183	if (ref $msg) {	1541	if (ref $msg) {
1184	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1185	"ARRAY" eq ref $msg
1186	? @$msg
1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188		1543
1189	my @reply;
1190
1191	if (my $cb = $EXTCMD{$type}) {	1544	if (my $cb = $EXTACMD{$type}) {
		1545	$cb->(
		1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
1192	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1193	}	1562	}
1194		1563
1195	$pl->ext_reply ($reply, @reply)
1196	if $reply;
1197
1198	} else {	1564	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1566	}
1201		1567
1202	cf::override;	1568	cf::override;
1203	},	1569	},
1204	);	1570	);
1205		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1206	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1207	cf::sync_job {	1601	cf::sync_job {
1208	my %todo;	1602	my %todo;
1209		1603
1210	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1605	next unless -r $path;
…		…
1229		1623
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1626
1233	$ext{source} =	1627	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1236	. $source	1630	. $source
1237	. "\n};\n1";	1631	. "\n};\n1";
1238		1632
1239	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1240	}	1634	}
1241		1635
		1636	my $pass = 0;
1242	my %done;	1637	my %done;
1243	while (%todo) {	1638	while (%todo) {
1244	my $progress;	1639	my $progress;
1245		1640
		1641	++$pass;
		1642
		1643	ext:
1246	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1646	next ext
1249	unless exists $done{$_};	1647	unless exists $done{$_};
1250	}	1648	}
1251		1649
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1651
1254	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1259	warn $msg;	1668
1260	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1670	delete $todo{$k};
1262	}	1671	} else {
1263		1672	$done{$k} = delete $todo{$k};
1264	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1265	}	1678	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1679	}
1271		1680
1272	skip:	1681	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1275	}	1691	}
1276	};	1692	};
1277	}	1693	}
1278		1694
1279	#############################################################################	1695	#############################################################################
1280		1696
1281	=back	1697	=back
1282		1698
1283	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1284		1700
1285	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1286		1702
1287	=cut	1703	=cut
1288		1704
1289	package cf::player;	1705	package cf::player;
1290		1706
…		…
1333		1749
1334	sub exists($) {	1750	sub exists($) {
1335	my ($login) = @_;	1751	my ($login) = @_;
1336		1752
1337	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1339	}	1755	}
1340		1756
1341	sub find($) {	1757	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1759	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1771	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1772	or return;
1357		1773
1358	my $pl = cf::player::load_pl $f	1774	my $pl = cf::player::load_pl $f
1359	or return;	1775	or return;
		1776
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1777	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1778	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1363	}	1780	}
1364	}	1781	}
1365	}	1782	}
1366		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
		1796
1367	sub save($) {	1797	sub save($) {
1368	my ($pl) = @_;	1798	my ($pl) = @_;
1369		1799
1370	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1371		1801
…		…
1374		1804
1375	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1376		1806
1377	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1379		1814
1380	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1816	cf::cede_to_tick;
1382	}	1817	}
1383		1818
…		…
1415	my ($pl) = @_;	1850	my ($pl) = @_;
1416		1851
1417	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1418		1853
1419	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1420	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1421		1856
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1423	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1425	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1426		1865
1427	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1429	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1467		1906
1468	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
1469	my $path = path $login;	1908	my $path = path $login;
1470		1909
1471	# a .pst is a dead give-away for a valid player	1910	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1916	}
1477		1917
…		…
1481		1921
1482	\@logins	1922	\@logins
1483	}	1923	}
1484		1924
1485	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1486		1928
1487	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1488	player. May block.	1930	player. May block.
1489		1931
1490	=cut	1932	=cut
…		…
1508	}	1950	}
1509		1951
1510	\@paths	1952	\@paths
1511	}	1953	}
1512		1954
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1956
1515	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563
1564	=item $player->ext_reply ($msgid, @msg)
1565
1566	Sends an ext reply to the player.
1567
1568	=cut
1569
1570	sub ext_reply($$@) {
1571	my ($self, $id, @msg) = @_;
1572
1573	$self->ns->ext_reply ($id, @msg)
1574	}
1575		1958
1576	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1577		1960
1578	Sends an ext event to the client.	1961	Sends an ext event to the client.
1579		1962
…		…
1599		1982
1600	=cut	1983	=cut
1601		1984
1602	sub find_by_path($) {	1985	sub find_by_path($) {
1603	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1604		1989
1605	my ($match, $specificity);	1990	my ($match, $specificity);
1606		1991
1607	for my $region (list) {	1992	for my $region (list) {
1608	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1634	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1636		2021
1637	sub generate_random_map {	2022	sub generate_random_map {
1638	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1639	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1640	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1644	$rmp->{exit_on_final_map},
1645	$rmp->{xsize}, $rmp->{ysize},
1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1651	(cf::region::find $rmp->{region}), $rmp->{custom}
1652	)
1653	}	2028	}
1654		2029
1655	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1656		2031
1657	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1662		2037
1663	sub register {	2038	sub register {
1664	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1665	my $pkg = caller;	2040	my $pkg = caller;
1666		2041
1667	no strict;
1668	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1669		2043
1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1671	}	2045	}
1672		2046
1673	# also paths starting with '/'	2047	# also paths starting with '/'
1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1675		2049
1676	sub thawer_merge {	2050	sub thawer_merge {
1677	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1678		2052
1679	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1684	}	2058	}
1685		2059
1686	sub normalise {	2060	sub normalise {
1687	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1688		2062
1689	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1690		2064
1691	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1692		2066
1693	# map plan:	2067	# map plan:
1694	#	2068	#
…		…
1709	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1710	$path = "$base/$path";	2084	$path = "$base/$path";
1711	}	2085	}
1712		2086
1713	for ($path) {	2087	for ($path) {
1714	redo if s{//}{/};
1715	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1716	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1717	}	2090	}
1718		2091
1719	$path	2092	$path
…		…
1733	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1734	return $self;	2107	return $self;
1735	}	2108	}
1736	}	2109	}
1737		2110
1738	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1739	()	2112	()
1740	}	2113	}
1741		2114
		2115	# may re-bless or do other evil things
1742	sub init {	2116	sub init {
1743	my ($self) = @_;	2117	my ($self) = @_;
1744		2118
1745	$self	2119	$self
1746	}	2120	}
…		…
1765		2139
1766	# the temporary/swap location	2140	# the temporary/swap location
1767	sub save_path {	2141	sub save_path {
1768	my ($self) = @_;	2142	my ($self) = @_;
1769		2143
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1772	}	2146	}
1773		2147
1774	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1775	sub uniq_path {	2149	sub uniq_path {
1776	my ($self) = @_;	2150	my ($self) = @_;
1777		2151
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	2154	}
1790		2155
1791	sub decay_objects {	2156	sub decay_objects {
1792	my ($self) = @_;	2157	my ($self) = @_;
1793		2158
…		…
1820	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1821		2186
1822	1	2187	1
1823	}	2188	}
1824		2189
		2190	# used to laod the header of an original map
1825	sub load_header_orig {	2191	sub load_header_orig {
1826	my ($self) = @_;	2192	my ($self) = @_;
1827		2193
1828	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1829	}	2195	}
1830		2196
		2197	# used to laod the header of an instantiated map
1831	sub load_header_temp {	2198	sub load_header_temp {
1832	my ($self) = @_;	2199	my ($self) = @_;
1833		2200
1834	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1835	}	2202	}
1836		2203
		2204	# called after loading the header from an instantiated map
1837	sub prepare_temp {	2205	sub prepare_temp {
1838	my ($self) = @_;	2206	my ($self) = @_;
1839		2207
1840	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1841	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1842	# safety	2210	# safety
1843	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1844	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1845	}	2213	}
1846		2214
		2215	# called after loading the header from an original map
1847	sub prepare_orig {	2216	sub prepare_orig {
1848	my ($self) = @_;	2217	my ($self) = @_;
1849		2218
1850	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1851	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1875		2244
1876	sub find;	2245	sub find;
1877	sub find {	2246	sub find {
1878	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1879		2248
		2249	cf::cede_to_tick;
		2250
1880	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1881		2252
1882	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1884		2255
1885	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1890	or return;	2258	or return;
1891		2259
1892	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1893		2261
…		…
1895	or return;	2263	or return;
1896		2264
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
1900	undef $guard1;	2269	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	2270	$map->reset;
1903	return find $path;	2271	return find $path;
1904	}	2272	}
1905		2273
1906	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1907	}	2275	}
1908	}	2276	}
1909		2277
1910	sub pre_load { }	2278	sub pre_load { }
1911	sub post_load { }	2279	#sub post_load { } # XS
1912		2280
1913	sub load {	2281	sub load {
1914	my ($self) = @_;	2282	my ($self) = @_;
1915		2283
1916	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1919		2287
1920	{	2288	{
1921	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1922		2290
1923	return unless $self->valid;	2291	return unless $self->valid;
1924	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1925
1926	$self->in_memory (cf::MAP_LOADING);
1927		2293
1928	$self->alloc;	2294	$self->alloc;
1929		2295
1930	$self->pre_load;	2296	$self->pre_load;
1931	cf::cede_to_tick;	2297	cf::cede_to_tick;
1932		2298
		2299	if (exists $self->{load_path}) {
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2301	$f->skip_block;
1935	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
1936	or return;	2303	or return;
1937		2304
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1939	if delete $self->{load_original};	2306	if delete $self->{load_original};
1940		2307
1941	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2309	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
1944	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1945	$self->clear_unique_items;	2312	$self->clear_unique_items;
1946	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
1947	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
1948	}	2316	}
1949	}	2317	}
1950	}
1951		2318
1952	$f->resolve_delayed_derefs;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
1953		2326
1954	cf::cede_to_tick;	2327	cf::cede_to_tick;
1955	# now do the right thing for maps	2328	# now do the right thing for maps
1956	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1957	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
1961	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2335	$self->decay_objects;
1963	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1964	$self->update_buttons;	2337	$self->update_buttons;
1965	cf::cede_to_tick;	2338	cf::cede_to_tick;
1966	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1967	cf::cede_to_tick;
1968	$self->activate;
1969	}	2340	}
1970		2341
1971	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
1973
1974	$self->in_memory (cf::MAP_IN_MEMORY);
1975	}	2344	}
1976		2345
1977	$self->post_load;	2346	$self->post_load;
1978	}
1979		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1980	sub customise_for {	2354	sub customise_for {
1981	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1982		2356
1983	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1984	if $self->per_player;	2358	if $self->per_player;
…		…
1987	# if $self->per_party;	2361	# if $self->per_party;
1988		2362
1989	$self	2363	$self
1990	}	2364	}
1991		2365
1992	# find and load all maps in the 3x3 area around a map
1993	sub load_neighbours {
1994	my ($map) = @_;
1995
1996	my @neigh; # diagonal neighbours
1997
1998	for (0 .. 3) {
1999	my $neigh = $map->tile_path ($_)
2000	or next;
2001	$neigh = find $neigh, $map
2002	or next;
2003	$neigh->load;
2004
2005	push @neigh,
2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2008	}
2009
2010	for (grep defined $_->[0], @neigh) {
2011	my ($path, $origin) = @$_;
2012	my $neigh = find $path, $origin
2013	or next;
2014	$neigh->load;
2015	}
2016	}
2017
2018	sub find_sync {	2366	sub find_sync {
2019	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2020		2368
2021	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
2022	}	2374	}
2023		2375
2024	sub do_load_sync {	2376	sub do_load_sync {
2025	my ($map) = @_;	2377	my ($map) = @_;
2026		2378
		2379	# it's a bug to call this from the main context
2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2028	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2029		2382
2030	cf::sync_job { $map->load };	2383	$map->load;
2031	}	2384	}
2032		2385
2033	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2034	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2035		2388
2036	sub find_async {	2389	sub find_async {
2037	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2038		2391
2039	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2040		2393
2041	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
2043	}	2396	}
2044		2397
2045	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2046		2399
2047	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2048	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2049		2402
2050	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2051	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2052	if (my $map = find $k) {	2405	if (my $map = find $k) {
2053	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2054	}	2407	}
2055		2408
2056	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2057	}	2410	}
2058	}	2411	}
…		…
2061	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2062		2415
2063	()	2416	()
2064	}	2417	}
2065		2418
		2419	# common code, used by both ->save and ->swapout
2066	sub save {	2420	sub _save {
2067	my ($self) = @_;	2421	my ($self) = @_;
2068
2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
2070		2422
2071	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2072		2424
2073	return unless $self->dirty;	2425	return unless $self->dirty;
2074		2426
…		…
2083		2435
2084	cf::async {	2436	cf::async {
2085	$Coro::current->{desc} = "map player save";	2437	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
2087	};	2439	};
		2440
		2441	cf::get_slot 0.02;
2088		2442
2089	if ($uniq) {	2443	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2446	} else {
2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2094	}	2448	}
2095	}	2449	}
2096		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2097	sub swap_out {	2459	sub swap_out {
2098	my ($self) = @_;	2460	my ($self) = @_;
2099		2461
2100	# save first because save cedes
2101	$self->save;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2105	return if $self->players;	2466	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
		2477	$self->clear;
		2478	}
		2479
		2480	sub reset_at {
		2481	my ($self) = @_;
		2482
		2483	# TODO: safety, remove and allow resettable per-player maps
2107	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2108		2485
		2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2488
		2489	$time + $to
		2490	}
		2491
		2492	sub should_reset {
		2493	my ($self) = @_;
		2494
		2495	$self->reset_at <= $cf::RUNTIME
		2496	}
		2497
		2498	sub reset {
		2499	my ($self) = @_;
		2500
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
		2503	return if $self->players;
		2504
		2505	cf::trace "resetting map ", $self->path, "\n";
		2506
2109	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
		2508
		2509	# need to save uniques path
		2510	unless ($self->{deny_save}) {
		2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2512
		2513	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2514	if $uniq;
		2515	}
		2516
		2517	delete $cf::MAP{$self->path};
2110		2518
2111	$self->deactivate;	2519	$self->deactivate;
2112	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2113	$self->clear;	2521	$self->clear;
2114	}
2115
2116	sub reset_at {
2117	my ($self) = @_;
2118
2119	# TODO: safety, remove and allow resettable per-player maps
2120	return 1e99 if $self->{deny_reset};
2121
2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2124
2125	$time + $to
2126	}
2127
2128	sub should_reset {
2129	my ($self) = @_;
2130
2131	$self->reset_at <= $cf::RUNTIME
2132	}
2133
2134	sub reset {
2135	my ($self) = @_;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138
2139	return if $self->players;
2140
2141	warn "resetting map ", $self->path;
2142
2143	$self->in_memory (cf::MAP_SWAPPED);
2144
2145	# need to save uniques path
2146	unless ($self->{deny_save}) {
2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
2148
2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2150	if $uniq;
2151	}
2152
2153	delete $cf::MAP{$self->path};
2154
2155	$self->deactivate;
2156	$_->clear_links_to ($self) for values %cf::MAP;
2157	$self->clear;
2158		2522
2159	$self->unlink_save;	2523	$self->unlink_save;
2160	$self->destroy;	2524	$self->destroy;
2161	}	2525	}
2162		2526
…		…
2170		2534
2171	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2172		2536
2173	$self->unlink_save;	2537	$self->unlink_save;
2174		2538
2175	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2176	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2177	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2178	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2180		2544
…		…
2229		2593
2230	sub unique_maps() {	2594	sub unique_maps() {
2231	[	2595	[
2232	map {	2596	map {
2233	utf8::decode $_;	2597	utf8::decode $_;
2234	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2235	? normalise $_	2601	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2603	]
2239	}	2604	}
2240		2605
2241	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
2242		2637
2243	=back	2638	=back
2244		2639
2245	=head3 cf::object	2640	=head3 cf::object
2246		2641
…		…
2250		2645
2251	=over 4	2646	=over 4
2252		2647
2253	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2254		2649
2255	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
2256		2652
2257	=cut	2653	=cut
2258		2654
2259	sub inv_recursive_;	2655	sub inv_recursive_;
2260	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2266	}	2662	}
2267		2663
2268	=item $ref = $ob->ref	2664	=item $ref = $ob->ref
2269		2665
2270	creates and returns a persistent reference to an objetc that can be stored as a string.	2666	Creates and returns a persistent reference to an object that can be stored as a string.
2271		2667
2272	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2273		2669
2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2275	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2276		2672
2277	=cut	2673	=cut
2278		2674
2279	sub deref {	2675	sub deref {
…		…
2307	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
2308	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2309		2705
2310	=cut	2706	=cut
2311		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
		2721
2312	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2723	# with dialog boxes.
2314	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
2315	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2726	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2739
2330	} else {	2740	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2743	}
2334	}	2744	}
2335	}	2745	}
2336		2746
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2347	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2348		2758
2349	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2350	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2351		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2352	=cut	2787	=cut
2353		2788
2354	sub cf::object::player::may {	2789	sub cf::object::player::may {
2355	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2356		2791
2357	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2358	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2359	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2360	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2361	}	2796	}
2362		2797
2363	=item $player_object->enter_link	2798	=item $player_object->enter_link
2364		2799
2365	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2366		2801
2367	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2368	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2369		2806
2370	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2371		2814
2372	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2373		2816
2374	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2375	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2393	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2394	my ($self) = @_;	2837	my ($self) = @_;
2395		2838
2396	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2397		2840
		2841	++$self->{_link_recursion};
		2842
2398	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2399		2844
2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2401	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2402		2847
2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2404	}	2849	}
2405		2850
2406	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2407	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2408		2853
…		…
2425	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2426	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2427		2872
2428	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2429	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2430	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2431		2876
2432	$map->load;	2877	$map->load;
2433	$map->load_neighbours;
2434		2878
2435	return unless $self->contr->active;	2879	return unless $self->contr->active;
2436	$self->activate_recursive;
2437		2880
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2440	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2441		2888
		2889	}
		2890
2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2443		2892
2444	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2445	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2446	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2447	the new (success) or old (failed) map position. In either case, $done will	2896	the new (success) or old (failed) map position. In either case, $done will
2448	be called at the end of this process.	2897	be called at the end of this process.
2449		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
2450	=cut	2902	=cut
2451		2903
2452	our $GOTOGEN;	2904	our $GOTOGEN;
2453		2905
2454	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2455	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
2456		2914
2457	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2459		2917
2460	$self->enter_link;	2918	$self->enter_link;
…		…
2480	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2481	}	2939	}
2482	}	2940	}
2483		2941
2484	my $map = eval {	2942	my $map = eval {
2485	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2486		2944
2487	if ($map) {	2945	if ($map) {
2488	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2489	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2490	} else {	2948	} else {
2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2492	}	2950	}
2493		2951
2494	$map	2952	$map
…		…
2502	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2503	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2504	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2505	}	2963	}
2506		2964
2507	$done->() if $done;	2965	$done->($self) if $done;
2508	})->prio (1);	2966	})->prio (1);
2509	}	2967	}
2510		2968
2511	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2512		2970
…		…
2532	}	2990	}
2533		2991
2534	sub prepare_random_map {	2992	sub prepare_random_map {
2535	my ($exit) = @_;	2993	my ($exit) = @_;
2536		2994
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2997	# that depends on the exit object
2542		2998
2543	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	3001	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2550	}	3008	}
2551		3009
2552	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2553		3011
2554	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2557		3015
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	3018	undef $fh;
2561	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2562		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2565	}	3027	}
2566	}	3028	}
2567		3029
2568	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2570		3032
2571	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2572		3034
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	3035	$self->enter_link;
2585		3036
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	3037	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	3038	$Coro::current->{desc} = "enter_exit";
2592		3039
2593	$self->deactivate_recursive; # just to be sure
2594	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2595	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2596		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2597	1;	3076	1
2598	}) {	3077	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2601	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2603		3082
2604	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2605	$self->leave_link;	3084	$self->leave_link;
2606	}	3085	}
2607	})->prio (1);	3086	})->prio (1);
2608	}	3087	}
2609		3088
2610	=head3 cf::client	3089	=head3 cf::client
2611		3090
2612	=over 4	3091	=over 4
2613		3092
2614	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2615		3094
2616	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2617	should not be used under normal circumstances.	3096	them as required.
2618		3097
2619	=cut	3098	=cut
2620		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2621	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2622	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2623		3104
2624	utf8::encode $text;	3105	# try lzf for large packets
2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
2626	}	3116	}
2627		3117
2628	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2629		3119
2630	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2631	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2634		3124
2635	=cut	3125	=cut
2636		3126
		3127	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
2638	"c/identify" => {	3135	"c/identify" => {
2639	id => "infobox",	3136	id => "infobox",
2640	title => "Identify",	3137	title => "Identify",
2641	reply => undef,	3138	reply => undef,
2642	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2645	id => "infobox",	3142	id => "infobox",
2646	title => "Examine",	3143	title => "Examine",
2647	reply => undef,	3144	reply => undef,
2648	tooltip => "Signs and other items you examined",	3145	tooltip => "Signs and other items you examined",
2649	},	3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
2650	"c/lookat" => {	3159	"c/lookat" => {
2651	id => "infobox",	3160	id => "infobox",
2652	title => "Look",	3161	title => "Look",
2653	reply => undef,	3162	reply => undef,
2654	tooltip => "What you saw there",	3163	tooltip => "What you saw there",
2655	},	3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you posess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
2656	);	3245	);
2657		3246
2658	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2660		3249
2661	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2662		3252
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		3254
2665	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2668		3258
2669	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	3260	$channel = $channel->{id};
2673		3261
2674	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	3267	}
2681		3268
2682	$channel = $channel->{id};	3269	$channel = $channel->{id};
2683	}	3270	}
2684		3271
2685	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2686		3273
2687	if ($self->can_msg) {
2688	# default colour, mask it out	3274	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2691		3277
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	3281	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		3282
2706	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2707
2708	utf8::encode $msg;
2709
2710	if (0 && $msg =~ /\[/) {
2711	# COMMAND/INFO
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}
2719	}	3284	}
2720		3285
2721	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2722		3287
2723	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2725	=cut	3290	=cut
2726		3291
2727	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2728	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2729		3294
2730	if ($self->extcmd == 2) {
2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2732	} elsif ($self->extcmd == 1) { # TODO: remove
2733	push @msg, msgtype => "event_$type";
2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2735	}
2736	}
2737
2738	=item $client->ext_reply ($msgid, @msg)
2739
2740	Sends an ext reply to the client.
2741
2742	=cut
2743
2744	sub cf::client::ext_reply($$@) {
2745	my ($self, $id, @msg) = @_;
2746
2747	if ($self->extcmd == 2) {
2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2749	} elsif ($self->extcmd == 1) {
2750	#TODO: version 1, remove
2751	unshift @msg, msgtype => "reply", msgid => $id;
2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2753	}
2754	}	3296	}
2755		3297
2756	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2757		3299
2758	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2778		3320
2779	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2780	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2781		3323
2782	1	3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2783	}	3364	}
2784		3365
2785	cf::client->attach (	3366	cf::client->attach (
2786	on_connect => sub {	3367	on_connect => sub {
2787	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2813	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2814		3395
2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2816		3397
2817	if (ref $msg) {	3398	if (ref $msg) {
2818	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2819	"ARRAY" eq ref $msg
2820	? @$msg
2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2822		3400
2823	my @reply;
2824
2825	if (my $cb = $EXTICMD{$type}) {	3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
2826	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2827	}	3419	}
2828
2829	$ns->ext_reply ($reply, @reply)
2830	if $reply;
2831
2832	} else {	3420	} else {
2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2834	}	3422	}
2835		3423
2836	cf::override;	3424	cf::override;
2837	},	3425	},
2838	);	3426	);
…		…
2858		3446
2859	$coro	3447	$coro
2860	}	3448	}
2861		3449
2862	cf::client->attach (	3450	cf::client->attach (
2863	on_destroy => sub {	3451	on_client_destroy => sub {
2864	my ($ns) = @_;	3452	my ($ns) = @_;
2865		3453
2866	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2867	},	3455	},
2868	);	3456	);
…		…
2884	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2885		3473
2886	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2887		3475
2888	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
2889	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
2890	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
2891	sort time	3479	sort time
2892	));	3480	));
2893		3481
2894	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
2896	=pod	3484	=pod
2897		3485
2898	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2899		3487
2900	cf::object	3488	cf::object
2901	contr pay_amount pay_player map x y force_find force_add	3489	contr pay_amount pay_player map x y force_find force_add destroy
2902	insert remove name archname title slaying race decrease_ob_nr	3490	insert remove name archname title slaying race decrease split
		3491	value
2903		3492
2904	cf::object::player	3493	cf::object::player
2905	player	3494	player
2906		3495
2907	cf::player	3496	cf::player
…		…
2912		3501
2913	=cut	3502	=cut
2914		3503
2915	for (	3504	for (
2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2917	insert remove inv name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr)],	3507	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2922	) {	3511	) {
2923	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2926	for @funs;	3514	for @funs;
2927	}	3515	}
2928		3516
…		…
2943		3531
2944	my $qcode = $code;	3532	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2947		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2948	local $_;	3539	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;
2950		3540
2951	my $eval =	3541	my $eval =
2952	"do {\n"	3542	"do {\n"
2953	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2954	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2955	. $code	3545	. $code
2956	. "\n}"	3546	. "\n}"
2957	;	3547	;
2958		3548
		3549	if ($CFG{safe_eval}) {
2959	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2960	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2961	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2962		3558
2963	if ($@) {	3559	if ($@) {
2964	warn "$@";	3560	warn "$@",
2965	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2966	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2967	}	3563	}
2968		3564
2969	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2970	}	3566	}
2971		3567
…		…
2985	=cut	3581	=cut
2986		3582
2987	sub register_script_function {	3583	sub register_script_function {
2988	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2989		3585
2990	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2991	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2992	}	3588	}
2993		3589
2994	=back	3590	=back
2995		3591
2996	=cut	3592	=cut
2997		3593
2998	#############################################################################	3594	#############################################################################
2999	# the server's init and main functions	3595	# the server's init and main functions
3000		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3001	sub load_facedata($) {	3674	sub load_facedata($) {
3002	my ($path) = @_;	3675	my ($path) = @_;
3003		3676
3004	# HACK to clear player env face cache, we need some signal framework
3005	# for this (global event?)
3006	%ext::player_env::MUSIC_FACE_CACHE = ();
3007
3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3009		3678
3010	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3011		3680
3012	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3013	0 < aio_load $path, $facedata
3014	or die "$path: $!";
3015
3016	$facedata = Coro::Storable::thaw $facedata;
3017		3682
3018	$facedata->{version} == 2	3683	$facedata->{version} == 2
3019	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3020		3685
3021	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3022	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3023	type => FT_RSRC,	3688
3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3025	};	3690
3026	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3027		3694
3028	{	3695	{
3029	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3030		3697
3031	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
3033	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3037		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3038	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3039	}	3709	}
3040		3710
3041	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
3043	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
3044	or next;	3715	or next;
		3716
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3720	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3050	}	3722	}
3051
3052	cf::cede_to_tick;
3053	}	3723	}
3054	}	3724	}
3055		3725
3056	{	3726	{
3057	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3058		3728
3059	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3060	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3061	cf::cede_to_tick;
3062	}	3731	}
3063		3732
3064	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3065	}	3734	}
3066		3735
3067	{	3736	{
3068	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3071		3738
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;
3077		3743
3078	if ($info->{type} & 1) {	3744	cf::face::set_type $idx, $type;
3079	# prepend meta info	3745	cf::face::set_csum $idx, 0, $info->{hash};
3080		3746	$cf::face::SIZE[0][$idx] = $info->{size};
3081	my $meta = $enc->encode ({	3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
3082	name => $name,	3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3083	%{ $info->{meta} || {} },	3749	$cf::face::HASH{$info->{hash}} = $idx;
3084	});
3085
3086	$data = pack "(w/a*)*", $meta, $info->{data};
3087	} else {	3750	} else {
3088	$data = $info->{data};	3751	# $RESOURCE{$name} = $info; # unused
3089	}	3752	}
3090
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;
3095	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}	3753	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
3115		3769
3116	1	3770	1
3117	}	3771	}
3118		3772
3119	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
…		…
3121		3775
3122	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3777	$ns->fx_want ($k, $v);
3124	}	3778	}
3125	};	3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
3126		3804
3127	sub reload_regions {	3805	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3806	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3807	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3808	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3137	if exists $_->{match};	3815	if exists $_->{match};
3138	}	3816	}
3139	}	3817	}
3140		3818
3141	sub reload_facedata {	3819	sub reload_facedata {
3142	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3143	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3144	}	3822	}
3145		3823
3146	sub reload_archetypes {	3824	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references	3827
3150	# this really needs to be done in an extra post-pass	3828	cf::face::set
3151	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
3152	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
3153	or die "unable to load archetypes\n";	3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3154	}	3853	}
3155		3854
3156	sub reload_treasures {	3855	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3159	}	3858	}
3160		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
3161	sub reload_resources {	3880	sub reload_resources {
3162	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3163		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
3164	reload_regions;	3888	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3889	reload_treasures;
3169		3890
3170	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3892	}
3176		3893
3177	sub reload_config {	3894	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3179	or return;
3180		3896
3181	local $/;	3897	my $config = load_file "$CONFDIR/config";
3182	*CFG = YAML::Syck::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3183		3900
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3185		3902
3186	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3187	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3188		3905
3189	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3193	};	3910	};
3194	warn $@ if $@;	3911	warn $@ if $@;
3195	}	3912	}
3196	}	3913	}
3197		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
3198	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
3199	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3202	(async {	3956	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3958	EV::run EV::RUN_ONCE;
3205	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3206	};	3960	};
3207		3961
		3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
		3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
3208	reload_config;	3976	reload_config;
3209	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3210	load_extensions;	3986	load_extensions;
3211		3987
3212	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
3213	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
3214	}	4005	}
3215		4006
3216	#############################################################################	4007	#############################################################################
3217	# initialisation and cleanup	4008	# initialisation and cleanup
3218		4009
3219	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3220	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3229	},
3230	);	4016	};
3231	}	4017	}
3232	}	4018	}
3233		4019
3234	sub write_runtime {	4020	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3236		4022
3237	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3239		4025
3240	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		4027
3242	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3243		4029
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3245	or return;	4031	or return;
3246		4032
3247	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3260		4046
3261	close $fh	4047	close $fh
3262	or return;	4048	or return;
3263		4049
3264	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	4051	and return;
3266		4052
3267	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3268		4054
3269	1	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
3270	}	4106	}
3271		4107
3272	sub emergency_save() {	4108	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3274		4110
3275	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
3276		4117
3277	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3278	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	4127	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	4129	$pl->save;
3287	}	4130	}
3288	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3289		4132
3290	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	4138	$map->valid or next;
3294	$map->save;	4139	$map->save;
3295	}	4140	}
3296	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3297		4142
3298	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3301	};	4171	};
3302		4172
3303	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3304	}	4174	}
3305		4175
3306	sub post_cleanup {	4176	sub post_cleanup {
3307	my ($make_core) = @_;	4177	my ($make_core) = @_;
3308		4178
		4179	IO::AIO::flush;
		4180
3309	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3310	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
3311	}	4211	}
3312		4212
3313	sub do_reload_perl() {	4213	sub do_reload_perl() {
3314	# can/must only be called in main	4214	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3316	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3317	return;	4217	return;
3318	}	4218	}
3319		4219
3320	warn "reloading...";	4220	return if $RELOAD++;
3321		4221
3322	warn "entering sync_job";	4222	my $t1 = AE::time;
3323		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
3324	cf::sync_job {	4230	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark
3326	cf::emergency_save;	4231	#cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark
3328		4232
3329	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;
3331
3332	# if anything goes wrong in here, we should simply crash as we already saved
3333
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;
3345	warn "iterate...";
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();	4235	%EXT_CORO = ();
3353		4236
3354	warn "removing commands";	4237	trace "perl_reload: removing commands";
3355	%COMMAND = ();	4238	%COMMAND = ();
3356		4239
3357	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3358	%EXTCMD = ();	4241	%EXTCMD = ();
3359	%EXTICMD = ();	4242	%EXTICMD = ();
3360		4243
3361	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3364		4247
3365	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3366	eval {	4249	eval {
3367	$cb->($pkg);	4250	$cb->($pkg);
3368	1	4251	1
3369	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
3370	}	4257	}
3371		4258
3372	warn "... nuking $pkg";
3373	Symbol::delete_package $pkg;
3374	}
3375
3376	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3377	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		4262
3380	warn "... unloading $k";	4263	trace "... unloading $k";
3381	delete $INC{$k};	4264	delete $INC{$k};
3382		4265
3383	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3385		4268
3386	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3387	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3388	}	4274	}
3389		4275
3390	Symbol::delete_package $k;
3391	}
3392
3393	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3396		4279
3397	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		4283
3401	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3402	# and global variables created in xs	4285	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3404		4287
3405	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3406		4289
3407	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3408	require cf;	4291	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3410		4293
3411	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3412	cf::reload_config;	4295	cf::reload_config;
3413		4296
3414	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3415	cf::load_extensions;	4298	cf::load_extensions;
3416		4299
		4300	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3420	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3423		4308
3424	warn "leaving sync_job";	4309	cf::_post_init 1;
3425		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3426	1	4313	1
3427	} or do {	4314	} or do {
3428	warn $@;	4315	error $@;
3429	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3430	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3431	};	4320	}
3432		4321
3433	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3434	};	4324	};
3435		4325
3436	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3437		4327
3438	sub reload_perl() {	4328	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3441		4331
3442	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	4334
3445	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	4336	do_reload_perl;
3448	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3449	},	4338	};
3450	);	4339	};
3451	}	4340	}
3452		4341
3453	register_command "reload" => sub {	4342	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3455		4344
…		…
3460	reload_perl;	4349	reload_perl;
3461	};	4350	};
3462	}	4351	}
3463	};	4352	};
3464		4353
3465	unshift @INC, $LIBDIR;	4354	#############################################################################
3466		4355
3467	my $bug_warning = 0;	4356	my $bug_warning = 0;
3468		4357
3469	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;
3471
3472	sub wait_for_tick {	4358	sub wait_for_tick() {
3473	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3474	return if $Coro::current == $Coro::main;
3475		4360
3476	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3477	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;
3479	}	4362	}
3480		4363
3481	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3482	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3483	return if $Coro::current == $Coro::main;
3484		4366
3485	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	4369	$signal->wait;
3488	}	4370	}
3489		4371
3490	$TICK_WATCHER = Event->timer (	4372	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3500	return;	4376	return;
3501	}	4377	}
3502		4378
3503	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3504		4380
3505	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3506		4382
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	4385	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	4387	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3516	};
3517	}	4389	};
		4390	}
3518		4391
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	4393	$sig->send;
3521	}	4394	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3523	$sig->send;
3524	}
3525		4396
3526	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		4399
3537	_post_tick;	4400	if (0) {
		4401	if ($NEXT_TICK) {
		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3538	},	4406	}
3539	);	4407	}
3540		4408
3541	{	4409	{
		4410	# configure BDB
		4411	info "initialising database";
		4412
3542	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3543	BDB::max_poll_time $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		4416
3568	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| BDB::LOG_AUTOREMOVE, 1);	4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		4424
3575	cf::sync_job {	4425	cf::sync_job {
3576	eval {	4426	eval {
…		…
3586		4436
3587	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	4438	};
3589	}	4439	}
3590		4440
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3599	},
3600	);	4443	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	4446	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	4449	};
		4450
		4451	info "database initialised";
3621	}	4452	}
3622		4453
3623	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3624	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,	4461	info "aio initialised";
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	4462	}
3637		4463
3638	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3639		4466
3640	sub _log_backtrace {	4467	sub _log_backtrace {
3641	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3642		4469
3643	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3644		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3645	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3647	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3648	async {	4480	async {
3649	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3650		4482
3651	my @bt = fork_call {	4483	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	4495	}
3664		4496
3665	@funcs	4497	@funcs
3666	};	4498	};
3667		4499
3668	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	4503	--$_log_backtrace;
3671	};	4504	};
3672	} else {	4505	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3675	}	4508	}
3676	}	4509	}
3677		4510
3678	# load additional modules	4511	# load additional modules
3679	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3680		4514
3681	END { cf::emergency_save }	4515	END { cf::emergency_save }
3682		4516
3683	1	4517	1
3684		4518

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