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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.363 by root, Mon Sep 10 17:24:36 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 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 3.64 ();	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 2.32 ();	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;	132	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	135	our $DB_ENV;
88		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
89	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
90		141
91	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
		145	our $NOW;
93		146
94	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
95	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
96	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
97		150
98	# 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 ∕
99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100		153
101	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)
102	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
103	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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
104		166
105	binmode STDOUT;	167	binmode STDOUT;
106	binmode STDERR;	168	binmode STDERR;
107		169
108	# read virtual server time, if available	170	# read virtual server time, if available
109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
110	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
111	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
112	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
113	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
114		178
115	mkdir $_	179	mkdir $_
116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
117		181
118	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
119		183
120	sub cf::map::normalise;	184	sub cf::map::normalise;
121		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
122	#############################################################################	190	#############################################################################
123		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
124	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
125		204
126	=over 4	205	=over 4
127		206
128	=item $cf::UPTIME	207	=item $cf::UPTIME
129		208
130	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.
131		225
132	=item $cf::RUNTIME	226	=item $cf::RUNTIME
133		227
134	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
135	every server tick.	229	every server tick.
136		230
137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
140		234
141	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
144	database environment.	238	database environment.
145		239
146	=item $cf::NOW
147
148	The time of the last (current) server tick.
149
150	=item $cf::TICK
151
152	The interval between server ticks, in seconds.
153
154	=item $cf::LOADAVG	240	=item $cf::LOADAVG
155		241
156	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
157	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
158	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
161		247
162	The raw value load value from the last tick.	248	The raw value load value from the last tick.
163		249
164	=item %cf::CFG	250	=item %cf::CFG
165		251
166	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
167	from wherever your confdir points to.	253	from wherever your confdir points to.
168		254
169	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
170		256
171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
172	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
174		278
175	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
176		280
177	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
178	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
179	that call.	283	that call.
180		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
181	=back	291	=back
182		292
183	=cut	293	=cut
184		294
185	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
186	*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 {
187	my $msg = join "", @_;	302	my $msg = join "", @_;
188		303
189	$msg .= "\n"	304	$msg .= "\n"
190	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
191		306
192	$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;
193		308
194	LOG llevError, $msg;	309	LOG llevWarn, $msg;
195	};	310	};
196	}	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	};
197		325
198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
208	for my $pkg (qw(	336	for my $pkg (qw(
209	cf::global cf::attachable	337	cf::global cf::attachable
210	cf::object cf::object::player	338	cf::object cf::object::player
211	cf::client cf::player	339	cf::client cf::player
212	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
213	cf::map cf::party cf::region	342	cf::party cf::region
214	)) {	343	)) {
215	no strict 'refs';
216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
217	}	345	}
218		346
219	$Event::DIED = sub {	347	$EV::DIED = sub {
220	warn "error in event callback: @_";	348	warn "error in event callback: $@";
221	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
222		355
223	#############################################################################	356	#############################################################################
224		357
225	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
226		359
…		…
247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
248	$d	381	$d
249	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
250	}	383	}
251		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
252	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
253		438
254	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
255		440
256	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
257		442
258	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
259		444
260	=cut	445	=cut
261		446
262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263		448
264	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
265	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	}
266		527
267	=item cf::lock_wait $string	528	=item cf::lock_wait $string
268		529
269	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
270		531
271	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
272		533
273	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
274	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,
275	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
276	returned.	537	returned.
277		538
278	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
279	deadlocked coro.	540	deadlocked coro.
…		…
285		546
286	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.
287		548
288	=cut	549	=cut
289		550
290	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
291	our %LOCKER;#d#
292		552
293	sub lock_wait($) {	553	sub lock_wait($) {
294	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
295
296	if ($LOCKER{$key} == $Coro::current) {#d#
297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298	return;#d#
299	}#d#
300
301	# wait for lock, if any
302	while ($LOCK{$key}) {
303	push @{ $LOCK{$key} }, $Coro::current;
304	Coro::schedule;
305	}
306	}	555	}
307		556
308	sub lock_acquire($) {	557	sub lock_acquire($) {
309	my ($key) = @_;	558	$LOCKS->guard ($_[0])
310
311	# wait, to be sure we are not locked
312	lock_wait $key;
313
314	$LOCK{$key} = [];
315	$LOCKER{$key} = $Coro::current;#d#
316
317	Coro::guard {
318	delete $LOCKER{$key};#d#
319	# wake up all waiters, to be on the safe side
320	$_->ready for @{ delete $LOCK{$key} };
321	}
322	}	559	}
323		560
324	sub lock_active($) {	561	sub lock_active($) {
325	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
326
327	! ! $LOCK{$key}
328	}	563	}
329		564
330	sub freeze_mainloop {	565	sub freeze_mainloop {
331	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
332		567
333	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
334	$TICK_WATCHER->start;	569	}
335	};	570
336	$TICK_WATCHER->stop;	571	=item cf::periodic $interval, $cb
337	$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
338	}	584	}
339		585
340	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
341		587
342	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
343	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
344	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.
345		595
346	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
347	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
348		598
349	Useful for short background jobs.	599	Useful for short background jobs.
350		600
351	=cut	601	=cut
352		602
353	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
354	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
355		606
356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
357	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
358	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
359		613
360	while () {	614	while () {
361	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
362	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
363	if ($avail > 0.01) {	620
364	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
365	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
366	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
367	$job->[2]->send;	625	$job->[2]->send;
368	Coro::cede;
369	goto next_job;	626	goto next_job;
370	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
371	}	629	}
372	}	630	}
373		631
374	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
375	# we do not use wait_For_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
376	push @cf::WAIT_FOR_TICK, $signal;
377	$signal->wait;
378	} else {	634	} else {
		635	$busy = 0;
379	Coro::schedule;	636	Coro::schedule;
380	}	637	}
381	}	638	}
382	};	639	};
383		640
384	sub get_slot($;$$) {	641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
385	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
386		645
387	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
388	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
389		649
390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
392	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
403		663
404	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
405		665
406	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
407		667
408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
409	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
410	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
411	acceptable.	671	acceptable.
412		672
413	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
414	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
…		…
418	=cut	678	=cut
419		679
420	sub sync_job(&) {	680	sub sync_job(&) {
421	my ($job) = @_;	681	my ($job) = @_;
422		682
423	if ($Coro::current == $Coro::main) {	683	if (in_main) {
424	my $time = Event::time;	684	my $time = AE::time;
425		685
426	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
427	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
428		688
429	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
430	# (but this is cancel-safe)	690
431	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
432		692
433	my $busy = 1;	693	my $busy = 1;
434	my @res;	694	my @res;
435		695
436	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
437	@res = eval { $job->() };	698	@res = eval { $job->() };
438	warn $@ if $@;	699	error $@ if $@;
439	undef $busy;	700	undef $busy;
440	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
441		702
442	while ($busy) {	703	while ($busy) {
443	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
444	}	708	}
		709	}
445		710
446	$time = Event::time - $time;	711	my $time = AE::time - $time;
447		712
448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
450
451	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
452		714
453	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
454	} else {	716	} else {
455	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
456		718
…		…
476	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
477		739
478	$coro	740	$coro
479	}	741	}
480		742
481	=item fork_call { }, $args	743	=item fork_call { }, @args
482		744
483	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
484	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
485	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
486	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
487		749
488	=cut	750	=cut
		751
		752	sub post_fork {
		753	reset_signals;
		754	}
489		755
490	sub fork_call(&@) {	756	sub fork_call(&@) {
491	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
492		758
493	# we seemingly have to make a local copy of the whole thing,
494	# otherwise perl prematurely frees the stuff :/
495	# TODO: investigate and fix (likely this will be rather laborious)
496
497	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
498	reset_signals;	760	cf::post_fork;
499	&$cb	761	&$cb
500	}, @args;	762	} @args;
501		763
502	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
503	}	803	}
504		804
505	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
506		806
507	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
517	within each server.	817	within each server.
518		818
519	=cut	819	=cut
520		820
521	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
522	my ($name) = @_;	825	my ($name) = @_;
523	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
524		827
525	eval {	828	eval {
526	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
536	}	839	}
537		840
538	our $DB;	841	our $DB;
539		842
540	sub db_init {	843	sub db_init {
541	cf::sync_job {
542	$DB ||= db_table "db";	844	$DB ||= db_table "db";
543	};
544	}	845	}
545		846
546	sub db_get($$) {	847	sub db_get($$) {
547	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
548		849
549	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
550	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
551		854
552	$! ? ()	855	$! ? ()
553	: $data	856	: $data
554	}
555	}	857	}
556		858
557	sub db_put($$$) {	859	sub db_put($$$) {
558	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
587		889
588	my @data;	890	my @data;
589	my $md5;	891	my $md5;
590		892
591	for (0 .. $#$src) {	893	for (0 .. $#$src) {
592	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
593	or Carp::croak "$src->[$_]: $!";
594	}	895	}
595		896
596	# if processing is expensive, check	897	# if processing is expensive, check
597	# checksum first	898	# checksum first
598	if (1) {	899	if (1) {
…		…
611		912
612	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
613	}	914	}
614	}	915	}
615		916
616	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
617	my $data = $process->(\@data);	918	my $data = $process->(\@data);
618	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
619		920
620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
621		922
622	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
623	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
624	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
625		926
…		…
635		936
636	=cut	937	=cut
637		938
638	sub datalog($@) {	939	sub datalog($@) {
639	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
641	}	942	}
642		943
643	=back	944	=back
644		945
645	=cut	946	=cut
646		947
647	#############################################################################	948	#############################################################################
648		949
649	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
650		951
651	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
652	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")
653	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
654		955
655	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>
656	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
657	Crossfire TRT).	958	Deliantra).
658		959
659	=over 4	960	=over 4
660		961
661	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
662		963
…		…
706	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
707		1008
708	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
709	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
710		1011
711	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
712	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.
713		1014
714	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
715		1016
716	=over 4	1017	=over 4
…		…
840		1141
841	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
842	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
843		1144
844	} elsif (ref $type) {	1145	} elsif (ref $type) {
845	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
846		1147
847	} else {	1148	} else {
848	shift @arg;	1149	shift @arg;
849	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
850	}	1151	}
851	}	1152	}
852	}	1153	}
853		1154
854	sub _object_attach {	1155	sub _object_attach {
…		…
864	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
865	}	1166	}
866		1167
867	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
868	} else {	1169	} else {
869	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
870	}	1171	}
871		1172
872	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
873	}	1174	}
874		1175
…		…
933		1234
934	for (@$callbacks) {	1235	for (@$callbacks) {
935	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
936		1237
937	if ($@) {	1238	if ($@) {
938	warn "$@";
939	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
940	override;	1240	override;
941	}	1241	}
942		1242
943	return 1 if $override;	1243	return 1 if $override;
944	}	1244	}
945		1245
946	0	1246	0
947	}	1247	}
948		1248
949	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
950		1250
951	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
952		1252
953	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
954		1254
…		…
960		1260
961	=cut	1261	=cut
962		1262
963	#############################################################################	1263	#############################################################################
964	# object support	1264	# object support
965	#
966		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#
967	sub _can_merge {	1299	sub _can_merge {
968	my ($ob1, $ob2) = @_;	1300	my ($ob1, $ob2) = @_;
969		1301
970	local $Storable::canonical = 1;	1302	++$SLOW_MERGES;#d#
971	my $fob1 = Storable::freeze $ob1;
972	my $fob2 = Storable::freeze $ob2;
973		1303
974	$fob1 eq $fob2	1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
975	}	1306	}
976		1307
977	sub reattach {	1308	sub reattach {
978	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
979	my ($obj) = @_;	1310	my ($obj) = @_;
980		1311
		1312	# no longer needed after getting rid of delete_package?
981	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
982		1314
983	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
984		1316
985	@$registry = ();	1317	@$registry = ();
986		1318
…		…
991	for (@$attach) {	1323	for (@$attach) {
992	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
993	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
994	}	1326	}
995	} else {	1327	} else {
996	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
997	}	1329	}
998	}	1330	}
999	}	1331	}
1000		1332
1001	cf::attachable->attach (	1333	cf::attachable->attach (
1002	prio => -1000000,	1334	prio => -1000000,
1003	on_instantiate => sub {	1335	on_instantiate => sub {
1004	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
1005		1337
1006	$data = from_json $data;	1338	$data = decode_json $data;
1007		1339
1008	for (@$data) {	1340	for (@$data) {
1009	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
1010		1342
1011	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
1025	);	1357	);
1026		1358
1027	sub object_freezer_save {	1359	sub object_freezer_save {
1028	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1029		1361
1030	my $guard = cf::lock_acquire "io";
1031
1032	sync_job {	1362	sync_job {
1033	if (length $$rdata) {	1363	if (length $$rdata) {
1034	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1035	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1036	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1037		1368
1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1039	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1041	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	}
1042	close $fh;	1376	aio_close $fh;
1043		1377
1044	if (@$objs) {	1378	if (@$objs) {
1045	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) {
1046	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
1047	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1048	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1049	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	}
1050	close $fh;	1387	aio_close $fh;
1051	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1052	}	1389	}
1053	} else {	1390	} else {
1054	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1055	}	1392	}
1056		1393
1057	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1058	} else {	1398	} else {
1059	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1060	}	1400	}
1061	} else {	1401	} else {
1062	aio_unlink $filename;	1402	aio_unlink $filename;
1063	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1064	}	1404	}
1065	};	1405	};
1066
1067	undef $guard;
1068	}	1406	}
1069		1407
1070	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
1071	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
1072		1410
…		…
1077		1415
1078	sub object_thawer_load {	1416	sub object_thawer_load {
1079	my ($filename) = @_;	1417	my ($filename) = @_;
1080		1418
1081	my ($data, $av);	1419	my ($data, $av);
1082
1083	my $guard = cf::lock_acquire "io";
1084		1420
1085	(aio_load $filename, $data) >= 0	1421	(aio_load $filename, $data) >= 0
1086	or return;	1422	or return;
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	undef $guard;
1093	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1094	}	1430	}
1095		1431
1096	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1097	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1098	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1099		1436
1100	($data, $av)	1437	($data, $av)
1101	}	1438	}
1102		1439
1103	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1107	=cut	1444	=cut
1108		1445
1109	#############################################################################	1446	#############################################################################
1110	# command handling &c	1447	# command handling &c
1111		1448
1112	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1113		1450
1114	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
1115	$name.	1452	$name.
1116		1453
1117	=cut	1454	=cut
…		…
1123	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1124		1461
1125	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1126	}	1463	}
1127		1464
1128	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1129		1466
1130	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1131	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
1132	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
1133	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
1134	has logged in successfully.	1471	has logged in successfully.
1135		1472
1136	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1137	called.
1138		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
1139	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1140		1481
1141	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1142	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
1143	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
1144	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
1145	log-in.	1486	log-in.
1146		1487
1147	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1148	called.
1149		1489
1150	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1151		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
1152	sub register_extcmd {	1497	sub register_extcmd($$) {
1153	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1154		1499
1155	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1156	}	1501	}
1157		1502
1158	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1159	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1160		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1161	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1162	}	1513	}
1163		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1164	cf::player->attach (	1523	cf::player->attach (
1165	on_command => sub {	1524	on_unknown_command => sub {
1166	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1167		1526
1168	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1169	or return;	1528	or return;
1170		1529
…		…
1178	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1179		1538
1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1181		1540
1182	if (ref $msg) {	1541	if (ref $msg) {
1183	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1184	"ARRAY" eq ref $msg
1185	? @$msg
1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1187		1543
1188	my @reply;
1189
1190	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}) {
1191	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1192	}	1562	}
1193		1563
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196
1197	} else {	1564	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1566	}
1200		1567
1201	cf::override;	1568	cf::override;
1202	},	1569	},
1203	);	1570	);
1204		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
1205	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1206	cf::sync_job {	1601	cf::sync_job {
1207	my %todo;	1602	my %todo;
1208		1603
1209	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1605	next unless -r $path;
…		…
1228		1623
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1626
1232	$ext{source} =	1627	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1235	. $source	1630	. $source
1236	. "\n};\n1";	1631	. "\n};\n1";
1237		1632
1238	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1239	}	1634	}
1240		1635
		1636	my $pass = 0;
1241	my %done;	1637	my %done;
1242	while (%todo) {	1638	while (%todo) {
1243	my $progress;	1639	my $progress;
1244		1640
		1641	++$pass;
		1642
		1643	ext:
1245	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1646	next ext
1248	unless exists $done{$_};	1647	unless exists $done{$_};
1249	}	1648	}
1250		1649
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1651
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1258	warn $msg;	1668
1259	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1670	delete $todo{$k};
1261	}	1671	} else {
1262		1672	$done{$k} = delete $todo{$k};
1263	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1264	}	1678	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1679	}
1270		1680
1271	skip:	1681	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1274	}	1691	}
1275	};	1692	};
1276	}	1693	}
1277		1694
1278	#############################################################################	1695	#############################################################################
1279		1696
1280	=back	1697	=back
1281		1698
1282	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1283		1700
1284	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1285		1702
1286	=cut	1703	=cut
1287		1704
1288	package cf::player;	1705	package cf::player;
1289		1706
…		…
1332		1749
1333	sub exists($) {	1750	sub exists($) {
1334	my ($login) = @_;	1751	my ($login) = @_;
1335		1752
1336	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1337	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1338	}	1755	}
1339		1756
1340	sub find($) {	1757	sub find($) {
1341	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1342	my $login = $_[0];	1759	my $login = $_[0];
…		…
1352	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1353		1770
1354	my $f = new_from_file cf::object::thawer path $login	1771	my $f = new_from_file cf::object::thawer path $login
1355	or return;	1772	or return;
1356		1773
1357	$f->next;
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 {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
2048	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2049	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2050	if (my $map = find $k) {	2405	if (my $map = find $k) {
2051	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2052	}	2407	}
2053		2408
2054	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2055	}	2410	}
2056	}	2411	}
…		…
2059	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2060		2415
2061	()	2416	()
2062	}	2417	}
2063		2418
		2419	# common code, used by both ->save and ->swapout
2064	sub save {	2420	sub _save {
2065	my ($self) = @_;	2421	my ($self) = @_;
2066
2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
2068		2422
2069	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2070		2424
2071	return unless $self->dirty;	2425	return unless $self->dirty;
2072		2426
…		…
2078	return if $self->{deny_save};	2432	return if $self->{deny_save};
2079		2433
2080	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
2081		2435
2082	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
2083	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
2084	};	2439	};
		2440
		2441	cf::get_slot 0.02;
2085		2442
2086	if ($uniq) {	2443	if ($uniq) {
2087	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2088	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2089	} else {	2446	} else {
2090	$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);
2091	}	2448	}
2092	}	2449	}
2093		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2094	sub swap_out {	2459	sub swap_out {
2095	my ($self) = @_;	2460	my ($self) = @_;
2096		2461
2097	# save first because save cedes
2098	$self->save;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2102	return if $self->players;	2466	return if $self->players;
2103	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
2104	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2105		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
2106	$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};
2107		2518
2108	$self->deactivate;	2519	$self->deactivate;
2109	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2110	$self->clear;	2521	$self->clear;
2111	}
2112
2113	sub reset_at {
2114	my ($self) = @_;
2115
2116	# TODO: safety, remove and allow resettable per-player maps
2117	return 1e99 if $self->{deny_reset};
2118
2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2121
2122	$time + $to
2123	}
2124
2125	sub should_reset {
2126	my ($self) = @_;
2127
2128	$self->reset_at <= $cf::RUNTIME
2129	}
2130
2131	sub reset {
2132	my ($self) = @_;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135
2136	return if $self->players;
2137
2138	warn "resetting map ", $self->path;
2139
2140	$self->in_memory (cf::MAP_SWAPPED);
2141
2142	# need to save uniques path
2143	unless ($self->{deny_save}) {
2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
2145
2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2147	if $uniq;
2148	}
2149
2150	delete $cf::MAP{$self->path};
2151
2152	$self->deactivate;
2153	$_->clear_links_to ($self) for values %cf::MAP;
2154	$self->clear;
2155		2522
2156	$self->unlink_save;	2523	$self->unlink_save;
2157	$self->destroy;	2524	$self->destroy;
2158	}	2525	}
2159		2526
…		…
2167		2534
2168	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2169		2536
2170	$self->unlink_save;	2537	$self->unlink_save;
2171		2538
2172	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2173	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2174	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2175	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2177		2544
…		…
2226		2593
2227	sub unique_maps() {	2594	sub unique_maps() {
2228	[	2595	[
2229	map {	2596	map {
2230	utf8::decode $_;	2597	utf8::decode $_;
2231	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2232	? normalise $_	2601	: normalise $_
2233	: ()
2234	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2235	]	2603	]
2236	}	2604	}
2237		2605
2238	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	}
2239		2637
2240	=back	2638	=back
2241		2639
2242	=head3 cf::object	2640	=head3 cf::object
2243		2641
…		…
2247		2645
2248	=over 4	2646	=over 4
2249		2647
2250	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2251		2649
2252	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.
2253		2652
2254	=cut	2653	=cut
2255		2654
2256	sub inv_recursive_;	2655	sub inv_recursive_;
2257	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2262	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2263	}	2662	}
2264		2663
2265	=item $ref = $ob->ref	2664	=item $ref = $ob->ref
2266		2665
2267	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.
2268		2667
2269	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2270		2669
2271	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,
2272	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2273		2672
2274	=cut	2673	=cut
2275		2674
2276	sub deref {	2675	sub deref {
2277	my ($ref) = @_;	2676	my ($ref) = @_;
2278		2677
2279	# temporary compatibility#TODO#remove
2280	$ref =~ s{^<}{player/<};
2281
2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2283	my ($uuid, $name) = ($1, $2);	2679	my ($uuid, $name) = ($1, $2);
2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2285	or return;	2681	or return;
2286	$pl->ob->uuid eq $uuid	2682	$pl->ob->uuid eq $uuid
2287	or return;	2683	or return;
…		…
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, $done) = @_;
2456		2908
		2909	if ($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	}
		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;
2461		2919
2462	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
2463	my $map = eval {	2942	my $map = eval {
2464	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2465		2944
2466	if ($map) {	2945	if ($map) {
2467	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2468	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2469	} else {	2948	} else {
2470	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2471	}	2950	}
2472		2951
2473	$map	2952	$map
2474	};	2953	};
2475		2954
…		…
2481	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2482	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2483	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2484	}	2963	}
2485		2964
2486	$done->() if $done;	2965	$done->($self) if $done;
2487	})->prio (1);	2966	})->prio (1);
2488	}	2967	}
2489		2968
2490	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2491		2970
…		…
2511	}	2990	}
2512		2991
2513	sub prepare_random_map {	2992	sub prepare_random_map {
2514	my ($exit) = @_;	2993	my ($exit) = @_;
2515		2994
2516	my $guard = cf::lock_acquire "exit_prepare:$exit";
2517
2518	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2519	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2520	# that depends on the exit object	2997	# that depends on the exit object
2521		2998
2522	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2524	if ($exit->map) {	3001	if ($exit->map) {
2525	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2526	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2527	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2528	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2529	}	3008	}
2530		3009
2531	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2532		3011
2533	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2534	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2535	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2536		3015
2537	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2538	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2539	undef $fh;	3018	undef $fh;
2540	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2541		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2542	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2543	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2544	}	3027	}
2545	}	3028	}
2546		3029
2547	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2548	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2549		3032
2550	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2551		3034
2552	if ($exit->slaying eq "/!") {
2553	#TODO: this should de-fi-ni-te-ly not be a sync-job
2554	# the problem is that $exit might not survive long enough
2555	# so it needs to be done right now, right here
2556	cf::sync_job { prepare_random_map $exit };
2557	}
2558
2559	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2560	my $hp = $exit->stats->hp;
2561	my $sp = $exit->stats->sp;
2562
2563	$self->enter_link;	3035	$self->enter_link;
2564		3036
2565	# if exit is damned, update players death & WoR home-position
2566	$self->contr->savebed ($slaying, $hp, $sp)
2567	if $exit->flag (FLAG_DAMNED);
2568
2569	(async {	3037	(async {
2570	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2571	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
2572	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2573		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
2574	1;	3076	1
2575	}) {	3077	}) {
2576	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2577	. "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. "
2578	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2579	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2580		3082
2581	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2582	$self->leave_link;	3084	$self->leave_link;
2583	}	3085	}
2584	})->prio (1);	3086	})->prio (1);
2585	}	3087	}
2586		3088
2587	=head3 cf::client	3089	=head3 cf::client
2588		3090
2589	=over 4	3091	=over 4
2590		3092
2591	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2592		3094
2593	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2594	should not be used under normal circumstances.	3096	them as required.
2595		3097
2596	=cut	3098	=cut
2597		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2598	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2599	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2600		3104
2601	utf8::encode $text;	3105	# try lzf for large packets
2602	$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);
2603	}	3116	}
2604		3117
2605	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2606		3119
2607	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2608	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2609	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2610	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2611		3124
2612	=cut	3125	=cut
2613		3126
		3127	# non-persistent channels (usually the info channel)
2614	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	},
2615	"c/identify" => {	3135	"c/identify" => {
2616	id => "identify",	3136	id => "infobox",
2617	title => "Identify",	3137	title => "Identify",
2618	reply => undef,	3138	reply => undef,
2619	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
2620	},	3140	},
2621	"c/examine" => {	3141	"c/examine" => {
2622	id => "examine",	3142	id => "infobox",
2623	title => "Examine",	3143	title => "Examine",
2624	reply => undef,	3144	reply => undef,
2625	tooltip => "Signs and other items you examined",	3145	tooltip => "Signs and other items you examined",
2626	},	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	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		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 possess 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" => $CHAT_CHANNEL,
2627	);	3245	);
2628		3246
2629	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2630	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2631		3249
2632	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2633		3252
2634	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2635		3254
2636	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2637	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
2638		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
2639	if (ref $channel) {	3262	} elsif (ref $channel) {
2640	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2641	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2642	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2643	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2644	if $self->can_msg;
2645	}	3267	}
2646		3268
2647	$channel = $channel->{id};	3269	$channel = $channel->{id};
2648	}	3270	}
2649		3271
2650	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2651		3273
2652	if ($self->can_msg) {
2653	# default colour, mask it out	3274	# default colour, mask it out
2654	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2655	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2656		3277
2657	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2658	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2659	} else {	3281	);
2660	if ($color >= 0) {
2661	# replace some tags by gcfclient-compatible ones
2662	for ($msg) {
2663	1 while
2664	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2665	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2666	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2667	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2668	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2669	}
2670		3282
2671	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2672
2673	utf8::encode $msg;
2674
2675	if (0 && $msg =~ /\[/) {
2676	# COMMAND/INFO
2677	$self->send_packet ("drawextinfo $color 10 8 $msg")
2678	} else {
2679	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2680	$self->send_packet ("drawinfo $color $msg")
2681	}
2682	}
2683	}
2684	}	3284	}
2685		3285
2686	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2687		3287
2688	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2690	=cut	3290	=cut
2691		3291
2692	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2693	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2694		3294
2695	if ($self->extcmd == 2) {
2696	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2697	} elsif ($self->extcmd == 1) { # TODO: remove
2698	push @msg, msgtype => "event_$type";
2699	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2700	}
2701	}
2702
2703	=item $client->ext_reply ($msgid, @msg)
2704
2705	Sends an ext reply to the client.
2706
2707	=cut
2708
2709	sub cf::client::ext_reply($$@) {
2710	my ($self, $id, @msg) = @_;
2711
2712	if ($self->extcmd == 2) {
2713	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2714	} elsif ($self->extcmd == 1) {
2715	#TODO: version 1, remove
2716	unshift @msg, msgtype => "reply", msgid => $id;
2717	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2718	}
2719	}	3296	}
2720		3297
2721	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2722		3299
2723	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2743		3320
2744	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2745	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2746		3323
2747	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;
2748	}	3364	}
2749		3365
2750	cf::client->attach (	3366	cf::client->attach (
2751	on_connect => sub {	3367	on_connect => sub {
2752	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2778	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2779		3395
2780	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2781		3397
2782	if (ref $msg) {	3398	if (ref $msg) {
2783	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2784	"ARRAY" eq ref $msg
2785	? @$msg
2786	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2787		3400
2788	my @reply;
2789
2790	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}) {
2791	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2792	}	3419	}
2793
2794	$ns->ext_reply ($reply, @reply)
2795	if $reply;
2796
2797	} else {	3420	} else {
2798	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";
2799	}	3422	}
2800		3423
2801	cf::override;	3424	cf::override;
2802	},	3425	},
2803	);	3426	);
…		…
2823		3446
2824	$coro	3447	$coro
2825	}	3448	}
2826		3449
2827	cf::client->attach (	3450	cf::client->attach (
2828	on_destroy => sub {	3451	on_client_destroy => sub {
2829	my ($ns) = @_;	3452	my ($ns) = @_;
2830		3453
2831	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2832	},	3455	},
2833	);	3456	);
…		…
2849	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2850		3473
2851	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2852		3475
2853	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
2854	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
2855	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
2856	sort time	3479	sort time
2857	));	3480	));
2858		3481
2859	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
2861	=pod	3484	=pod
2862		3485
2863	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2864		3487
2865	cf::object	3488	cf::object
2866	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
2867	insert remove name archname title slaying race decrease_ob_nr	3490	insert remove name archname title slaying race decrease split
		3491	value
2868		3492
2869	cf::object::player	3493	cf::object::player
2870	player	3494	player
2871		3495
2872	cf::player	3496	cf::player
…		…
2877		3501
2878	=cut	3502	=cut
2879		3503
2880	for (	3504	for (
2881	["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
2882	insert remove inv name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
2883	decrease_ob_nr)],	3507	decrease split destroy change_exp value msg lore send_msg)],
2884	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2885	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2886	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2887	) {	3511	) {
2888	no strict 'refs';
2889	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2890	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2891	for @funs;	3514	for @funs;
2892	}	3515	}
2893		3516
…		…
2908		3531
2909	my $qcode = $code;	3532	my $qcode = $code;
2910	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2911	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2912		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2913	local $_;	3539	local $_;
2914	local @safe::cf::_safe_eval_args = values %vars;
2915		3540
2916	my $eval =	3541	my $eval =
2917	"do {\n"	3542	"do {\n"
2918	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2919	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2920	. $code	3545	. $code
2921	. "\n}"	3546	. "\n}"
2922	;	3547	;
2923		3548
		3549	if ($CFG{safe_eval}) {
2924	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2925	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2926	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	}
2927		3558
2928	if ($@) {	3559	if ($@) {
2929	warn "$@";	3560	warn "$@",
2930	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2931	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2932	}	3563	}
2933		3564
2934	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2935	}	3566	}
2936		3567
…		…
2950	=cut	3581	=cut
2951		3582
2952	sub register_script_function {	3583	sub register_script_function {
2953	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2954		3585
2955	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2956	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2957	}	3588	}
2958		3589
2959	=back	3590	=back
2960		3591
2961	=cut	3592	=cut
2962		3593
2963	#############################################################################	3594	#############################################################################
2964	# the server's init and main functions	3595	# the server's init and main functions
2965		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2966	sub load_facedata($) {	3674	sub load_facedata($) {
2967	my ($path) = @_;	3675	my ($path) = @_;
2968		3676
2969	# HACK to clear player env face cache, we need some signal framework
2970	# for this (global event?)
2971	%ext::player_env::MUSIC_FACE_CACHE = ();
2972
2973	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2974		3678
2975	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2976		3680
2977	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2978	0 < aio_load $path, $facedata
2979	or die "$path: $!";
2980
2981	$facedata = Coro::Storable::thaw $facedata;
2982		3682
2983	$facedata->{version} == 2	3683	$facedata->{version} == 2
2984	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2985		3685
2986	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2987	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2988	type => FT_RSRC,	3688
2989	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
2990	};	3690
2991	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2992		3694
2993	{	3695	{
2994	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2995		3697
2996	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2997	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2998	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
2999	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3000	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};
3001	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};
3002		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3003	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3004	}	3709	}
3005		3710
3006	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3007	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
3008	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
3009	or next;	3715	or next;
		3716
3010	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3011	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3012	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3013	} else {	3720	} else {
3014	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3015	}	3722	}
3016
3017	cf::cede_to_tick;
3018	}	3723	}
3019	}	3724	}
3020		3725
3021	{	3726	{
3022	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3023		3728
3024	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3025	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3026	cf::cede_to_tick;
3027	}	3731	}
3028		3732
3029	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3030	}	3734	}
3031		3735
3032	{	3736	{
3033	# TODO: for gcfclient pleasure, we should give resources
3034	# that gcfclient doesn't grok a >10000 face index.
3035	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3036		3738
3037	my $soundconf = delete $res->{"res/sound.conf"};
3038
3039	while (my ($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
3040	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3041	my $data;
3042		3743
3043	if ($info->{type} & 1) {	3744	cf::face::set_type $idx, $type;
3044	# prepend meta info	3745	cf::face::set_csum $idx, 0, $info->{hash};
3045		3746	$cf::face::SIZE[0][$idx] = $info->{size};
3046	my $meta = $enc->encode ({	3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
3047	name => $name,	3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3048	%{ $info->{meta} || {} },	3749	$cf::face::HASH{$info->{hash}} = $idx;
3049	});
3050
3051	$data = pack "(w/a*)*", $meta, $info->{data};
3052	} else {	3750	} else {
3053	$data = $info->{data};	3751	# $RESOURCE{$name} = $info; # unused
3054	}	3752	}
3055
3056	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3057	cf::face::set_type $idx, $info->{type};
3058
3059	cf::cede_to_tick;
3060	}
3061
3062	if ($soundconf) {
3063	$soundconf = $enc->decode (delete $soundconf->{data});
3064
3065	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3066	my $sound = $soundconf->{compat}[$_]
3067	or next;
3068
3069	my $face = cf::face::find "sound/$sound->[1]";
3070	cf::sound::set $sound->[0] => $face;
3071	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3072	}	3753	}
3073
3074	while (my ($k, $v) = each %{$soundconf->{event}}) {
3075	my $face = cf::face::find "sound/$v";
3076	cf::sound::set $k => $face;
3077	}
3078	}
3079	}	3754	}
		3755
		3756	($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 $fh; # close old facedata
3080		3769
3081	1	3770	1
3082	}	3771	}
3083		3772
3084	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
…		…
3086		3775
3087	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
3088	$ns->fx_want ($k, $v);	3777	$ns->fx_want ($k, $v);
3089	}	3778	}
3090	};	3779	};
		3780
		3781	sub load_resource_file($) {
		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	}
3091		3804
3092	sub reload_regions {	3805	sub reload_regions {
3093	# 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
3094	# for this (global event?)	3807	# for this (global event?)
3095	%ext::player_env::MUSIC_FACE_CACHE = ();	3808	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3102	if exists $_->{match};	3815	if exists $_->{match};
3103	}	3816	}
3104	}	3817	}
3105		3818
3106	sub reload_facedata {	3819	sub reload_facedata {
3107	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3108	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3109	}	3822	}
3110		3823
3111	sub reload_archetypes {	3824	sub reload_archetypes {
3112	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3113	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
3114	#d# NEED to laod twice to resolve forward references	3827
3115	# this really needs to be done in an extra post-pass	3828	cf::face::set
3116	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
3117	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
3118	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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3119	}	3853	}
3120		3854
3121	sub reload_treasures {	3855	sub reload_treasures {
3122	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3123	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3124	}	3858	}
3125		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
3126	sub reload_resources {	3880	sub reload_resources {
3127	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3128		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
3129	reload_regions;	3888	reload_regions;
3130	reload_facedata;
3131	#reload_archetypes;#d#
3132	reload_archetypes;
3133	reload_treasures;	3889	reload_treasures;
3134		3890
3135	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3136	}
3137
3138	sub init {
3139	reload_resources;
3140	}	3892	}
3141		3893
3142	sub reload_config {	3894	sub reload_config {
3143	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3144	or return;
3145		3896
3146	local $/;	3897	my $config = load_file "$CONFDIR/config";
3147	*CFG = YAML::Syck::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3148		3900
3149	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3150		3902
3151	$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};
3152	$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};
3153		3905
3154	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3158	};	3910	};
3159	warn $@ if $@;	3911	warn $@ if $@;
3160	}	3912	}
3161	}	3913	}
3162		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
3163	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
3164	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3165	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3166	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#
3167	(async {	3956	(async {
3168	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
3169	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3170	};	3960	};
3171		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;
3172	reload_config;	3976	reload_config;
3173	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3174	load_extensions;	3986	load_extensions;
3175		3987
3176	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
3177	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;
3178	}	4005	}
3179		4006
3180	#############################################################################	4007	#############################################################################
3181	# initialisation and cleanup	4008	# initialisation and cleanup
3182		4009
3183	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3184	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
3185	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3186	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3187	reentrant => 0,
3188	data => WF_AUTOCANCEL,
3189	signal => $signal,
3190	prio => 0,
3191	cb => sub {
3192	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3193	},
3194	);	4016	};
3195	}	4017	}
3196	}	4018	}
3197		4019
3198	sub write_runtime {	4020	sub write_runtime_sync {
3199	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3200		4022
3201	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3202	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3203		4025
3204	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3205		4027
3206	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3207		4029
3208	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3209	or return;	4031	or return;
3210		4032
3211	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3212	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3213	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3223	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3224		4046
3225	close $fh	4047	close $fh
3226	or return;	4048	or return;
3227		4049
3228	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3229	and return;	4051	and return;
3230		4052
3231	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3232		4054
3233	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 };
3234	}	4106	}
3235		4107
3236	sub emergency_save() {	4108	sub emergency_save() {
3237	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3238		4110
3239	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;
3240		4117
3241	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3242	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3243	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3244	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3245	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3246	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3247	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3248	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3249	$pl->save;	4129	$pl->save;
3250	}	4130	}
3251	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3252		4132
3253	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";
3254	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3255	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3256	$map->valid or next;	4138	$map->valid or next;
3257	$map->save;	4139	$map->save;
3258	}	4140	}
3259	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3260		4142
3261	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";
3262	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3263	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 $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3264	};	4171	};
3265		4172
3266	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3267	}	4174	}
3268		4175
3269	sub post_cleanup {	4176	sub post_cleanup {
3270	my ($make_core) = @_;	4177	my ($make_core) = @_;
3271		4178
		4179	IO::AIO::flush;
		4180
3272	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3273	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	}
3274	}	4211	}
3275		4212
3276	sub do_reload_perl() {	4213	sub do_reload_perl() {
3277	# can/must only be called in main	4214	# can/must only be called in main
3278	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3279	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3280	return;	4217	return;
3281	}	4218	}
3282		4219
3283	warn "reloading...";	4220	return if $RELOAD++;
3284		4221
3285	warn "entering sync_job";	4222	my $t1 = AE::time;
3286		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
3287	cf::sync_job {	4230	cf::sync_job {
3288	cf::write_runtime; # external watchdog should not bark
3289	cf::emergency_save;	4231	#cf::emergency_save;
3290	cf::write_runtime; # external watchdog should not bark
3291		4232
3292	warn "syncing database to disk";
3293	BDB::db_env_txn_checkpoint $DB_ENV;
3294
3295	# if anything goes wrong in here, we should simply crash as we already saved
3296
3297	warn "cancelling all WF_AUTOCANCEL watchers";
3298	for (Event::all_watchers) {
3299	$_->cancel if $_->data & WF_AUTOCANCEL;
3300	}
3301
3302	warn "flushing outstanding aio requests";
3303	for (;;) {
3304	BDB::flush;
3305	IO::AIO::flush;
3306	Coro::cede;
3307	last unless IO::AIO::nreqs || BDB::nreqs;
3308	warn "iterate...";
3309	}
3310
3311	++$RELOAD;
3312
3313	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3314	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3315	%EXT_CORO = ();	4235	%EXT_CORO = ();
3316		4236
3317	warn "removing commands";	4237	trace "perl_reload: removing commands";
3318	%COMMAND = ();	4238	%COMMAND = ();
3319		4239
3320	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3321	%EXTCMD = ();	4241	%EXTCMD = ();
3322	%EXTICMD = ();	4242	%EXTICMD = ();
3323		4243
3324	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3325	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3326	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3327		4247
3328	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3329	eval {	4249	eval {
3330	$cb->($pkg);	4250	$cb->($pkg);
3331	1	4251	1
3332	} 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;
3333	}	4257	}
3334		4258
3335	warn "... nuking $pkg";
3336	Symbol::delete_package $pkg;
3337	}
3338
3339	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3340	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3342		4262
3343	warn "... unloading $k";	4263	trace "... unloading $k";
3344	delete $INC{$k};	4264	delete $INC{$k};
3345		4265
3346	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3347	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3348		4268
3349	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3350	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3351	}	4274	}
3352		4275
3353	Symbol::delete_package $k;
3354	}
3355
3356	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3357	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3358	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);
3359		4279
3360	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3361	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3362	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3363		4283
3364	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3365	# and global variables created in xs	4285	# and global variables created in xs
3366	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3367		4287
3368	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3369		4289
3370	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3371	require cf;	4291	require cf;
3372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3373		4293
3374	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3375	cf::reload_config;	4295	cf::reload_config;
3376		4296
3377	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3378	cf::load_extensions;	4298	cf::load_extensions;
3379		4299
		4300	if ($REATTACH_ON_RELOAD) {
3380	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3381	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3382	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3383	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3384	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3385	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3386		4308
3387	warn "leaving sync_job";	4309	cf::_post_init 1;
3388		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3389	1	4313	1
3390	} or do {	4314	} or do {
3391	warn $@;	4315	error $@;
3392	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3393	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3394	};	4320	}
3395		4321
3396	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3397	};	4324	};
3398		4325
3399	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3400		4327
3401	sub reload_perl() {	4328	sub reload_perl() {
3402	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3403	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3404		4331
3405	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3406	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3407	after => 0,	4334
3408	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3409	cb => sub {
3410	do_reload_perl;	4336	do_reload_perl;
3411	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3412	},	4338	};
3413	);	4339	};
3414	}	4340	}
3415		4341
3416	register_command "reload" => sub {	4342	register_command "reload" => sub {
3417	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3418		4344
3419	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
3420	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
3421	async { reload_perl };	4349	reload_perl;
		4350	};
3422	}	4351	}
3423	};	4352	};
3424		4353
3425	unshift @INC, $LIBDIR;	4354	#############################################################################
3426		4355
3427	my $bug_warning = 0;	4356	my $bug_warning = 0;
3428		4357
3429	our @WAIT_FOR_TICK;
3430	our @WAIT_FOR_TICK_BEGIN;
3431
3432	sub wait_for_tick {	4358	sub wait_for_tick() {
3433	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3434	return if $Coro::current == $Coro::main;
3435		4360
3436	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3437	push @WAIT_FOR_TICK, $signal;
3438	$signal->wait;
3439	}	4362	}
3440		4363
3441	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3442	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3443	return if $Coro::current == $Coro::main;
3444		4366
3445	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3446	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3447	$signal->wait;	4369	$signal->wait;
3448	}	4370	}
3449		4371
3450	my $min = 1e6;#d#	4372	sub tick {
3451	my $avg = 10;
3452	$TICK_WATCHER = Event->timer (
3453	reentrant => 0,
3454	parked => 1,
3455	prio => 0,
3456	at => $NEXT_TICK || $TICK,
3457	data => WF_AUTOCANCEL,
3458	cb => sub {
3459	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3460	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"
3461	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3462	return;	4376	return;
3463	}	4377	}
3464		4378
3465	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3466		4380
3467	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3468		4382
3469	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3470	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3471	my $t = Event::time;	4385	Coro::async_pool {
3472	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
3473	or die;	4387	write_runtime_sync
3474		4388	or error "ERROR: unable to write runtime file: $!";
3475	$map->width (50);
3476	$map->height (50);
3477	$map->alloc;
3478	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3479	my $t = Event::time - $t;
3480
3481	#next unless $t < 0.0013;#d#
3482	if ($t < $min) {
3483	$min = $t;
3484	}
3485	$avg = $avg * 0.99 + $t * 0.01;
3486	}
3487	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3488	exit 0;
3489	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3490	};	4389	};
		4390	}
3491		4391
3492	$RUNTIME += $TICK;
3493	$NEXT_TICK += $TICK;
3494
3495	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3496	$NEXT_RUNTIME_WRITE = $NOW + 10;
3497	Coro::async_pool {
3498	write_runtime
3499	or warn "ERROR: unable to write runtime file: $!";
3500	};
3501	}
3502
3503	# my $AFTER = Event::time;
3504	# warn $AFTER - $NOW;#d#
3505
3506	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3507	$sig->send;	4393	$sig->send;
3508	}	4394	}
3509	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3510	$sig->send;
3511	}
3512		4396
3513	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3514
3515	# if we are delayed by four ticks or more, skip them all
3516	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3517
3518	$TICK_WATCHER->at ($NEXT_TICK);
3519	$TICK_WATCHER->start;
3520
3521	$LOAD = ($NOW - $tick_start) / $TICK;
3522	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3523		4399
3524	_post_tick;	4400	if (0) {
3525		4401	if ($NEXT_TICK) {
3526		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3527	},	4406	}
3528	);	4407	}
3529		4408
3530	{	4409	{
		4410	# configure BDB
		4411	info "initialising database";
		4412
3531	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3532	BDB::max_poll_time $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3533	$BDB_POLL_WATCHER = Event->io (	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3534	reentrant => 0,
3535	fd => BDB::poll_fileno,
3536	poll => 'r',
3537	prio => 0,
3538	data => WF_AUTOCANCEL,
3539	cb => \&BDB::poll_cb,
3540	);
3541
3542	BDB::set_sync_prepare {
3543	my $status;
3544	my $current = $Coro::current;
3545	(
3546	sub {
3547	$status = $!;
3548	$current->ready; undef $current;
3549	},
3550	sub {
3551	Coro::schedule while defined $current;
3552	$! = $status;
3553	},
3554	)
3555	};
3556		4416
3557	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3558	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		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;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3559		4424
3560	cf::sync_job {	4425	cf::sync_job {
3561	eval {	4426	eval {
3562	BDB::db_env_open	4427	BDB::db_env_open
3563	$DB_ENV,	4428	$DB_ENV,
…		…
3565	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3566	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3567	0666;	4432	0666;
3568		4433
3569	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3570
3571	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3572	| BDB::LOG_AUTOREMOVE, 1);
3573	$DB_ENV->set_lk_detect;
3574	};	4435	};
3575		4436
3576	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3577	};	4438	};
3578	}	4439	}
3579		4440
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3581	after => 11,	4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3582	interval => 60,	4443	};
3583	hard => 1,	4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4446	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4449	};
		4450
		4451	info "database initialised";
3600	}	4452	}
3601		4453
3602	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3603	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,	4461	info "aio initialised";
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	4462	}
3616		4463
3617	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3618		4466
3619	sub _log_backtrace {	4467	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3621		4469
3622	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3623		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3627	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3628	my @bt = fork_call {	4483	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3640	}	4495	}
3641		4496
3642	@funcs	4497	@funcs
3643	};	4498	};
3644		4499
3645	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4503	--$_log_backtrace;
3648	};	4504	};
3649	} else {	4505	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4508	}
3653	}	4509	}
3654		4510
3655	# load additional modules	4511	# load additional modules
3656	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3657		4514
3658	END { cf::emergency_save }	4515	END { cf::emergency_save }
3659		4516
3660	1	4517	1
3661		4518

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