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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 2012 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 Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$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		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		135
92	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
		139	our $NOW;
94		140
95	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
98		144
99	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		147
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
105		160
106	binmode STDOUT;	161	binmode STDOUT;
107	binmode STDERR;	162	binmode STDERR;
108		163
109	# read virtual server time, if available	164	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
114	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
115		172
116	mkdir $_	173	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		175
119	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
120		177
121	sub cf::map::normalise;	178	sub cf::map::normalise;
122		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
123	#############################################################################	184	#############################################################################
124		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
125	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
126		198
127	=over 4	199	=over 4
128		200
129	=item $cf::UPTIME	201	=item $cf::UPTIME
130		202
131	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
132		219
133	=item $cf::RUNTIME	220	=item $cf::RUNTIME
134		221
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	223	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
145	database environment.	232	database environment.
146		233
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	234	=item $cf::LOADAVG
156		235
157	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
162		241
163	The raw value load value from the last tick.	242	The raw value load value from the last tick.
164		243
165	=item %cf::CFG	244	=item %cf::CFG
166		245
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	247	from wherever your confdir points to.
169		248
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		250
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
176	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
177		273
178	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	276	that call.
181		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
182	=back	284	=back
183		285
184	=cut	286	=cut
185		287
186	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	295	my $msg = join "", @_;
189		296
190	$msg .= "\n"	297	$msg .= "\n"
191	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
192		299
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		301
195	LOG llevError, $msg;	302	LOG llevWarn, $msg;
196	};	303	};
197	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
198		318
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	329	for my $pkg (qw(
210	cf::global cf::attachable	330	cf::global cf::attachable
211	cf::object cf::object::player	331	cf::object cf::object::player
212	cf::client cf::player	332	cf::client cf::player
213	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
214	cf::map cf::party cf::region	335	cf::party cf::region
215	)) {	336	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	338	}
219		339
220	$Event::DIED = sub {	340	$EV::DIED = sub {
221	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
222	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
223		348
224	#############################################################################	349	#############################################################################
225		350
226	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
227		352
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	374	$d
250	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
251	}	376	}
252		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
253	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
254		431
255	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
256		433
257	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
258		435
259	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
260		437
261	=cut	438	=cut
262		439
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		441
265	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
267		506
268	=item cf::lock_wait $string	507	=item cf::lock_wait $string
269		508
270	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
271		510
272	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
273		512
274	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
277	returned.	516	returned.
278		517
279	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	519	deadlocked coro.
…		…
286		525
287	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
288		527
289	=cut	528	=cut
290		529
291	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		531
294	sub lock_wait($) {	532	sub lock_wait($) {
295	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	534	}
308		535
309	sub lock_acquire($) {	536	sub lock_acquire($) {
310	my ($key) = @_;	537	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	538	}
324		539
325	sub lock_active($) {	540	sub lock_active($) {
326	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	542	}
330		543
331	sub freeze_mainloop {	544	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
333		546
334	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	548	}
336	};	549
337	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
338	$guard	551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
339	}	563	}
340		564
341	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
342		566
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
346		574
347	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
349		577
350	Useful for short background jobs.	578	Useful for short background jobs.
351		579
352	=cut	580	=cut
353		581
354	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
356		585
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
360		589
361	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
362		592
363	while () {	593	while () {
364	next_job:	594	next_job:
		595
365	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	597
367	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	602	$job->[2]->send;
371	Coro::cede;	603	Coro::cede;
372	goto next_job;	604	goto next_job;
373	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	607	}
375	}	608	}
376		609
377	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	613	} else {
		614	$busy = 0;
382	Coro::schedule;	615	Coro::schedule;
383	}	616	}
384	}	617	}
385	};	618	};
386		619
387	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
388	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
389		624
390	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
391	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
392		628
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
406		642
407	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
408		644
409	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
410		646
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	650	acceptable.
415		651
416	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	657	=cut
422		658
423	sub sync_job(&) {	659	sub sync_job(&) {
424	my ($job) = @_;	660	my ($job) = @_;
425		661
426	if ($Coro::current == $Coro::main) {	662	if (in_main) {
427	my $time = Event::time;	663	my $time = AE::time;
428		664
429	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
431		667
432	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
433		669
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
437		671
438	my $busy = 1;	672	my $busy = 1;
439	my @res;	673	my @res;
440		674
441	(async {	675	(async {
442	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	677	@res = eval { $job->() };
444	warn $@ if $@;	678	error $@ if $@;
445	undef $busy;	679	undef $busy;
446	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
447		681
448	while ($busy) {	682	while ($busy) {
449	if (Coro::nready) {	683	if (Coro::nready) {
450	Coro::cede_notself;	684	Coro::cede_notself;
451	} else {	685	} else {
452	Event::one_event;	686	EV::loop EV::LOOP_ONESHOT;
453	}	687	}
454	}	688	}
455		689
456	$time = Event::time - $time;	690	my $time = AE::time - $time;
457		691
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
462		693
463	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
464	} else {	695	} else {
465	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
466		697
…		…
486	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
487		718
488	$coro	719	$coro
489	}	720	}
490		721
491	=item fork_call { }, $args	722	=item fork_call { }, @args
492		723
493	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
497		728
498	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
499		734
500	sub fork_call(&@) {	735	sub fork_call(&@) {
501	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
502		737
503	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
506		741
507	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
508	reset_signals;	743	cf::post_fork;
509	&$cb	744	&$cb
510	}, @args;	745	} @args;
511		746
512	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
513	}	786	}
514		787
515	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
516		789
517	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
527	within each server.	800	within each server.
528		801
529	=cut	802	=cut
530		803
531	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
532	my ($name) = @_;	808	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
534		810
535	eval {	811	eval {
536	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
546	}	822	}
547		823
548	our $DB;	824	our $DB;
549		825
550	sub db_init {	826	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	827	$DB ||= db_table "db";
553	};
554	}	828	}
555		829
556	sub db_get($$) {	830	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
558		832
559	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
560	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
561		837
562	$! ? ()	838	$! ? ()
563	: $data	839	: $data
564	}
565	}	840	}
566		841
567	sub db_put($$$) {	842	sub db_put($$$) {
568	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		872
598	my @data;	873	my @data;
599	my $md5;	874	my $md5;
600		875
601	for (0 .. $#$src) {	876	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	878	}
605		879
606	# if processing is expensive, check	880	# if processing is expensive, check
607	# checksum first	881	# checksum first
608	if (1) {	882	if (1) {
…		…
625		899
626	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	901	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
629		903
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		905
632	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
635		909
…		…
645		919
646	=cut	920	=cut
647		921
648	sub datalog($@) {	922	sub datalog($@) {
649	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	925	}
652		926
653	=back	927	=back
654		928
655	=cut	929	=cut
656		930
657	#############################################################################	931	#############################################################################
658		932
659	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
660		934
661	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
664		938
665	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	941	Deliantra).
668		942
669	=over 4	943	=over 4
670		944
671	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
672		946
…		…
716	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
717		991
718	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
720		994
721	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
723		997
724	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
725		999
726	=over 4	1000	=over 4
…		…
850		1124
851	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1127
854	} elsif (ref $type) {	1128	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
856		1130
857	} else {	1131	} else {
858	shift @arg;	1132	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
860	}	1134	}
861	}	1135	}
862	}	1136	}
863		1137
864	sub _object_attach {	1138	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
875	}	1149	}
876		1150
877	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
878	} else {	1152	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1154	}
881		1155
882	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
883	}	1157	}
884		1158
…		…
943		1217
944	for (@$callbacks) {	1218	for (@$callbacks) {
945	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
946		1220
947	if ($@) {	1221	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1223	override;
951	}	1224	}
952		1225
953	return 1 if $override;	1226	return 1 if $override;
954	}	1227	}
955		1228
956	0	1229	0
957	}	1230	}
958		1231
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1233
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1235
963	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
964		1237
…		…
1017		1290
1018	sub reattach {	1291	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1293	my ($obj) = @_;
1021		1294
		1295	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1297
1024	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1025		1299
1026	@$registry = ();	1300	@$registry = ();
1027		1301
…		…
1032	for (@$attach) {	1306	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1035	}	1309	}
1036	} else {	1310	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1312	}
1039	}	1313	}
1040	}	1314	}
1041		1315
1042	cf::attachable->attach (	1316	cf::attachable->attach (
1043	prio => -1000000,	1317	prio => -1000000,
1044	on_instantiate => sub {	1318	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
1046		1320
1047	$data = from_json $data;	1321	$data = decode_json $data;
1048		1322
1049	for (@$data) {	1323	for (@$data) {
1050	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
1051		1325
1052	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1070		1344
1071	sync_job {	1345	sync_job {
1072	if (length $$rdata) {	1346	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1076		1351
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1081	close $fh;	1359	aio_close $fh;
1082		1360
1083	if (@$objs) {	1361	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1089	close $fh;	1370	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1372	}
1092	} else {	1373	} else {
1093	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1094	}	1375	}
1095		1376
1096	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1381	} else {
1098	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1099	}	1383	}
1100	} else {	1384	} else {
1101	aio_unlink $filename;	1385	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1103	}	1387	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1411	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1412	$av = $st->{objs};
1129	}	1413	}
1130		1414
1131	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1134		1419
1135	($data, $av)	1420	($data, $av)
1136	}	1421	}
1137		1422
1138	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1195		1480
1196	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1197	}	1482	}
1198		1483
		1484	use File::Glob ();
		1485
1199	cf::player->attach (	1486	cf::player->attach (
1200	on_command => sub {	1487	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1202		1489
1203	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1204	or return;	1491	or return;
1205		1492
…		…
1213	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1214		1501
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1503
1217	if (ref $msg) {	1504	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1506
1223	my @reply;	1507	my @reply;
1224		1508
1225	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1228		1512
1229	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1514	if $reply;
1231		1515
1232	} else {	1516	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1518	}
1235		1519
1236	cf::override;	1520	cf::override;
1237	},	1521	},
1238	);	1522	);
1239		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1240	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1241	cf::sync_job {	1553	cf::sync_job {
1242	my %todo;	1554	my %todo;
1243		1555
1244	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1557	next unless -r $path;
…		…
1263		1575
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1578
1267	$ext{source} =	1579	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1270	. $source	1582	. $source
1271	. "\n};\n1";	1583	. "\n};\n1";
1272		1584
1273	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1274	}	1586	}
1275		1587
		1588	my $pass = 0;
1276	my %done;	1589	my %done;
1277	while (%todo) {	1590	while (%todo) {
1278	my $progress;	1591	my $progress;
1279		1592
		1593	++$pass;
		1594
		1595	ext:
1280	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1598	next ext
1283	unless exists $done{$_};	1599	unless exists $done{$_};
1284	}	1600	}
1285		1601
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1603
1288	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1293	warn $msg;	1620
1294	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1622	delete $todo{$k};
1296	}	1623	} else {
1297		1624	$done{$k} = delete $todo{$k};
1298	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1299	}	1630	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1631	}
1305		1632
1306	skip:	1633	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1309	}	1643	}
1310	};	1644	};
1311	}	1645	}
1312		1646
1313	#############################################################################	1647	#############################################################################
1314		1648
1315	=back	1649	=back
1316		1650
1317	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1318		1652
1319	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1320		1654
1321	=cut	1655	=cut
1322		1656
1323	package cf::player;	1657	package cf::player;
1324		1658
…		…
1367		1701
1368	sub exists($) {	1702	sub exists($) {
1369	my ($login) = @_;	1703	my ($login) = @_;
1370		1704
1371	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1373	}	1707	}
1374		1708
1375	sub find($) {	1709	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1711	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1724	or return;
1391		1725
1392	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1393	or return;	1727	or return;
		1728
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1397	}	1732	}
1398	}	1733	}
1399	}	1734	}
1400		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1401	sub save($) {	1749	sub save($) {
1402	my ($pl) = @_;	1750	my ($pl) = @_;
1403		1751
1404	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1405		1753
…		…
1408		1756
1409	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1410		1758
1411	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1766
1414	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1768	cf::cede_to_tick;
1416	}	1769	}
1417		1770
…		…
1449	my ($pl) = @_;	1802	my ($pl) = @_;
1450		1803
1451	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1452		1805
1453	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1808
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1459	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1460		1817
1461	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1501		1858
1502	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1503	my $path = path $login;	1860	my $path = path $login;
1504		1861
1505	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1868	}
1511		1869
…		…
1515		1873
1516	\@logins	1874	\@logins
1517	}	1875	}
1518		1876
1519	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1520		1880
1521	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1522	player. May block.	1882	player. May block.
1523		1883
1524	=cut	1884	=cut
…		…
1542	}	1902	}
1543		1903
1544	\@paths	1904	\@paths
1545	}	1905	}
1546		1906
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1908
1549	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1910
1598	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1599		1912
1600	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1601		1914
…		…
1633		1946
1634	=cut	1947	=cut
1635		1948
1636	sub find_by_path($) {	1949	sub find_by_path($) {
1637	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1638		1953
1639	my ($match, $specificity);	1954	my ($match, $specificity);
1640		1955
1641	for my $region (list) {	1956	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1670		1985
1671	sub generate_random_map {	1986	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1674	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	1992	}
1688		1993
1689	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1690		1995
1691	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1696		2001
1697	sub register {	2002	sub register {
1698	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	2004	my $pkg = caller;
1700		2005
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		2007
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	2009	}
1706		2010
1707	# also paths starting with '/'	2011	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		2013
1710	sub thawer_merge {	2014	sub thawer_merge {
1711	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1712		2016
1713	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1718	}	2022	}
1719		2023
1720	sub normalise {	2024	sub normalise {
1721	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1722		2026
1723	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1724		2028
1725	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1726		2030
1727	# map plan:	2031	# map plan:
1728	#	2032	#
…		…
1743	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	2048	$path = "$base/$path";
1745	}	2049	}
1746		2050
1747	for ($path) {	2051	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1751	}	2054	}
1752		2055
1753	$path	2056	$path
…		…
1767	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1768	return $self;	2071	return $self;
1769	}	2072	}
1770	}	2073	}
1771		2074
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2076	()
1774	}	2077	}
1775		2078
		2079	# may re-bless or do other evil things
1776	sub init {	2080	sub init {
1777	my ($self) = @_;	2081	my ($self) = @_;
1778		2082
1779	$self	2083	$self
1780	}	2084	}
…		…
1799		2103
1800	# the temporary/swap location	2104	# the temporary/swap location
1801	sub save_path {	2105	sub save_path {
1802	my ($self) = @_;	2106	my ($self) = @_;
1803		2107
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1806	}	2110	}
1807		2111
1808	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1809	sub uniq_path {	2113	sub uniq_path {
1810	my ($self) = @_;	2114	my ($self) = @_;
1811		2115
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2118	}
1824		2119
1825	sub decay_objects {	2120	sub decay_objects {
1826	my ($self) = @_;	2121	my ($self) = @_;
1827		2122
…		…
1854	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1855		2150
1856	1	2151	1
1857	}	2152	}
1858		2153
		2154	# used to laod the header of an original map
1859	sub load_header_orig {	2155	sub load_header_orig {
1860	my ($self) = @_;	2156	my ($self) = @_;
1861		2157
1862	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1863	}	2159	}
1864		2160
		2161	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2162	sub load_header_temp {
1866	my ($self) = @_;	2163	my ($self) = @_;
1867		2164
1868	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1869	}	2166	}
1870		2167
		2168	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2169	sub prepare_temp {
1872	my ($self) = @_;	2170	my ($self) = @_;
1873		2171
1874	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1876	# safety	2174	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2177	}
1880		2178
		2179	# called after loading the header from an original map
1881	sub prepare_orig {	2180	sub prepare_orig {
1882	my ($self) = @_;	2181	my ($self) = @_;
1883		2182
1884	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2208
1910	sub find;	2209	sub find;
1911	sub find {	2210	sub find {
1912	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1913		2212
		2213	cf::cede_to_tick;
		2214
1914	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1915		2216
1916	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2219
1919	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1924	or return;	2222	or return;
1925		2223
1926	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1927		2225
…		…
1929	or return;	2227	or return;
1930		2228
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1934	undef $guard1;	2233	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2234	$map->reset;
1937	return find $path;	2235	return find $path;
1938	}	2236	}
1939		2237
1940	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1941	}	2239	}
1942	}	2240	}
1943		2241
1944	sub pre_load { }	2242	sub pre_load { }
1945	sub post_load { }	2243	#sub post_load { } # XS
1946		2244
1947	sub load {	2245	sub load {
1948	my ($self) = @_;	2246	my ($self) = @_;
1949		2247
1950	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2251
1954	{	2252	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1956		2254
1957	return unless $self->valid;	2255	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2257
1962	$self->alloc;	2258	$self->alloc;
1963		2259
1964	$self->pre_load;	2260	$self->pre_load;
1965	cf::cede_to_tick;	2261	cf::cede_to_tick;
1966		2262
		2263	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2265	$f->skip_block;
1969	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
1970	or return;	2267	or return;
1971		2268
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1973	if delete $self->{load_original};	2270	if delete $self->{load_original};
1974		2271
1975	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2273	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2276	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
1982	}	2280	}
1983	}	2281	}
1984	}
1985		2282
1986	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
1987		2290
1988	cf::cede_to_tick;	2291	cf::cede_to_tick;
1989	# now do the right thing for maps	2292	# now do the right thing for maps
1990	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2299	$self->decay_objects;
1997	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1998	$self->update_buttons;	2301	$self->update_buttons;
1999	cf::cede_to_tick;	2302	cf::cede_to_tick;
2000	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2304	}
2004		2305
2005	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2308	}
2010		2309
2011	$self->post_load;	2310	$self->post_load;
2012	}
2013		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2318	sub customise_for {
2015	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2016		2320
2017	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2322	if $self->per_player;
…		…
2021	# if $self->per_party;	2325	# if $self->per_party;
2022		2326
2023	$self	2327	$self
2024	}	2328	}
2025		2329
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2330	sub find_sync {
2053	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2054		2332
2055	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2056	}	2338	}
2057		2339
2058	sub do_load_sync {	2340	sub do_load_sync {
2059	my ($map) = @_;	2341	my ($map) = @_;
2060		2342
		2343	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2063		2346
2064	cf::sync_job { $map->load };	2347	$map->load;
2065	}	2348	}
2066		2349
2067	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2069		2352
2070	sub find_async {	2353	sub find_async {
2071	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2072		2355
2073	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2074		2357
2075	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2077	}	2360	}
2078		2361
2079	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2080		2363
2081	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2096		2379
2097	()	2380	()
2098	}	2381	}
2099		2382
		2383	# common code, used by both ->save and ->swapout
2100	sub save {	2384	sub _save {
2101	my ($self) = @_;	2385	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2386
2105	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2106		2388
2107	return unless $self->dirty;	2389	return unless $self->dirty;
2108		2390
…		…
2117		2399
2118	cf::async {	2400	cf::async {
2119	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2121	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2122		2406
2123	if ($uniq) {	2407	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2410	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2412	}
2129	}	2413	}
2130		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2131	sub swap_out {	2423	sub swap_out {
2132	my ($self) = @_;	2424	my ($self) = @_;
2133		2425
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2139	return if $self->players;	2430	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2142		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2143	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2144		2482
2145	$self->deactivate;	2483	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2485	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2486
2193	$self->unlink_save;	2487	$self->unlink_save;
2194	$self->destroy;	2488	$self->destroy;
2195	}	2489	}
2196		2490
…		…
2204		2498
2205	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2206		2500
2207	$self->unlink_save;	2501	$self->unlink_save;
2208		2502
2209	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2508
…		…
2263		2557
2264	sub unique_maps() {	2558	sub unique_maps() {
2265	[	2559	[
2266	map {	2560	map {
2267	utf8::decode $_;	2561	utf8::decode $_;
2268	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2269	? normalise $_	2565	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2567	]
2273	}	2568	}
2274		2569
2275	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2276		2601
2277	=back	2602	=back
2278		2603
2279	=head3 cf::object	2604	=head3 cf::object
2280		2605
…		…
2284		2609
2285	=over 4	2610	=over 4
2286		2611
2287	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2288		2613
2289	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2290		2616
2291	=cut	2617	=cut
2292		2618
2293	sub inv_recursive_;	2619	sub inv_recursive_;
2294	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2300	}	2626	}
2301		2627
2302	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2303		2629
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2631
2306	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2307		2633
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2343		2669
2344	=cut	2670	=cut
2345		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2346	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2687	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2703
2364	} else {	2704	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2707	}
2368	}	2708	}
2369	}	2709	}
2370		2710
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2736
2397	=item $player_object->enter_link	2737	=item $player_object->enter_link
2398		2738
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2740
2401	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2403		2745
2404	Will never block.	2746	Will never block.
2405		2747
2406	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2407		2749
…		…
2427	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2770	my ($self) = @_;
2429		2771
2430	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2431		2773
		2774	++$self->{_link_recursion};
		2775
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2777
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2436		2780
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2782	}
2439		2783
2440	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2442		2786
…		…
2459	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2461		2805
2462	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2465		2809
2466	$map->load;	2810	$map->load;
2467	$map->load_neighbours;
2468		2811
2469	return unless $self->contr->active;	2812	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2813
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2474	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2475		2821
		2822	}
		2823
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2825
2478	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2830	be called at the end of this process.
2483		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2484	=cut	2835	=cut
2485		2836
2486	our $GOTOGEN;	2837	our $GOTOGEN;
2487		2838
2488	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2490		2847
2491	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2850
2494	$self->enter_link;	2851	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2515	}	2872	}
2516	}	2873	}
2517		2874
2518	my $map = eval {	2875	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2877
2521	if ($map) {	2878	if ($map) {
2522	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2881	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2883	}
2527		2884
2528	$map	2885	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2539	}	2896	}
2540		2897
2541	$done->() if $done;	2898	$done->($self) if $done;
2542	})->prio (1);	2899	})->prio (1);
2543	}	2900	}
2544		2901
2545	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2546		2903
…		…
2566	}	2923	}
2567		2924
2568	sub prepare_random_map {	2925	sub prepare_random_map {
2569	my ($exit) = @_;	2926	my ($exit) = @_;
2570		2927
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2930	# that depends on the exit object
2576		2931
2577	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2934	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2584	}	2941	}
2585		2942
2586	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2587		2944
2588	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2591		2948
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2951	undef $fh;
2595	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2596		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2599	}	2960	}
2600	}	2961	}
2601		2962
2602	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2604		2965
2605	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2606		2967
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2968	$self->enter_link;
2619		2969
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2970	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2626		2972
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2629	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2630		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2631	1;	3009	1
2632	}) {	3010	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2637		3015
2638	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	3017	$self->leave_link;
2640	}	3018	}
2641	})->prio (1);	3019	})->prio (1);
2642	}	3020	}
2643		3021
…		…
2655	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2657		3035
2658	utf8::encode $text;	3036	utf8::encode $text;
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2660	}	3063	}
2661		3064
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3066
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2668		3071
2669	=cut	3072	=cut
2670		3073
		3074	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2672	"c/identify" => {	3082	"c/identify" => {
2673	id => "infobox",	3083	id => "infobox",
2674	title => "Identify",	3084	title => "Identify",
2675	reply => undef,	3085	reply => undef,
2676	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2679	id => "infobox",	3089	id => "infobox",
2680	title => "Examine",	3090	title => "Examine",
2681	reply => undef,	3091	reply => undef,
2682	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
2683	},	3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
2684	"c/lookat" => {	3106	"c/lookat" => {
2685	id => "infobox",	3107	id => "infobox",
2686	title => "Look",	3108	title => "Look",
2687	reply => undef,	3109	reply => undef,
2688	tooltip => "What you saw there",	3110	tooltip => "What you saw there",
2689	},	3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2690	);	3186	);
2691		3187
2692	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2693	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2694		3190
2695	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2696		3193
2697	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2698		3195
2699	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2700	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2701	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2702		3199
2703	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2704	if $self->can_msg;
2705
2706	$channel = $channel->{id};	3201	$channel = $channel->{id};
2707		3202
2708	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2709	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2710	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2711	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2712	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2713	if $self->can_msg;
2714	}	3208	}
2715		3209
2716	$channel = $channel->{id};	3210	$channel = $channel->{id};
2717	}	3211	}
2718		3212
2719	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2720		3214
2721	if ($self->can_msg) {
2722	# default colour, mask it out	3215	# default colour, mask it out
2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2724	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2725		3218
2726	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2728	} else {	3222	);
2729	if ($color >= 0) {
2730	# replace some tags by gcfclient-compatible ones
2731	for ($msg) {
2732	1 while
2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2738	}
2739		3223
2740	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2741
2742	utf8::encode $msg;
2743
2744	if (0 && $msg =~ /\[/) {
2745	# COMMAND/INFO
2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
2747	} else {
2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2749	$self->send_packet ("drawinfo $color $msg")
2750	}
2751	}
2752	}
2753	}	3225	}
2754		3226
2755	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2756		3228
2757	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2760		3232
2761	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2762	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2763		3235
2764	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2766	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2767	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2769	}	3241	}
2770	}	3242	}
2771		3243
2772	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2773		3245
…		…
2776	=cut	3248	=cut
2777		3249
2778	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2779	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2780		3252
2781	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2783	} elsif ($self->extcmd == 1) {
2784	#TODO: version 1, remove
2785	unshift @msg, msgtype => "reply", msgid => $id;
2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2787	}
2788	}	3256	}
2789		3257
2790	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2791		3259
2792	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2847	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2848		3316
2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2850		3318
2851	if (ref $msg) {	3319	if (ref $msg) {
2852	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2853	"ARRAY" eq ref $msg
2854	? @$msg
2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2856		3321
2857	my @reply;	3322	my @reply;
2858		3323
2859	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2860	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2862		3327
2863	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2864	if $reply;	3329	if $reply;
2865		3330
2866	} else {	3331	} else {
2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2868	}	3333	}
2869		3334
2870	cf::override;	3335	cf::override;
2871	},	3336	},
2872	);	3337	);
…		…
2892		3357
2893	$coro	3358	$coro
2894	}	3359	}
2895		3360
2896	cf::client->attach (	3361	cf::client->attach (
2897	on_destroy => sub {	3362	on_client_destroy => sub {
2898	my ($ns) = @_;	3363	my ($ns) = @_;
2899		3364
2900	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2901	},	3366	},
2902	);	3367	);
…		…
2918	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2919		3384
2920	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2921		3386
2922	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2923	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2924	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2925	sort time	3390	sort time
2926	));	3391	));
2927		3392
2928	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2931		3396
2932	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2933		3398
2934	cf::object	3399	cf::object
2935	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
2936	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2937		3403
2938	cf::object::player	3404	cf::object::player
2939	player	3405	player
2940		3406
2941	cf::player	3407	cf::player
…		…
2946		3412
2947	=cut	3413	=cut
2948		3414
2949	for (	3415	for (
2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2951	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2952	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2953	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2954	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2955	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2956	) {	3422	) {
2957	no strict 'refs';
2958	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2959	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2960	for @funs;	3425	for @funs;
2961	}	3426	}
2962		3427
…		…
2977		3442
2978	my $qcode = $code;	3443	my $qcode = $code;
2979	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2980	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2981		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2982	local $_;	3450	local $_;
2983	local @safe::cf::_safe_eval_args = values %vars;
2984		3451
2985	my $eval =	3452	my $eval =
2986	"do {\n"	3453	"do {\n"
2987	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2988	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2989	. $code	3456	. $code
2990	. "\n}"	3457	. "\n}"
2991	;	3458	;
2992		3459
		3460	if ($CFG{safe_eval}) {
2993	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2994	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2995	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2996		3469
2997	if ($@) {	3470	if ($@) {
2998	warn "$@";	3471	warn "$@",
2999	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3000	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3001	}	3474	}
3002		3475
3003	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3004	}	3477	}
3005		3478
…		…
3019	=cut	3492	=cut
3020		3493
3021	sub register_script_function {	3494	sub register_script_function {
3022	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3023		3496
3024	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3025	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3026	}	3499	}
3027		3500
3028	=back	3501	=back
3029		3502
3030	=cut	3503	=cut
…		…
3039	# for this (global event?)	3512	# for this (global event?)
3040	%ext::player_env::MUSIC_FACE_CACHE = ();	3513	%ext::player_env::MUSIC_FACE_CACHE = ();
3041		3514
3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3043		3516
3044	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
3045		3518
3046	my $facedata;	3519	my $facedata = decode_storable load_file $path;
3047	0 < aio_load $path, $facedata
3048	or die "$path: $!";
3049
3050	$facedata = Coro::Storable::thaw $facedata;
3051		3520
3052	$facedata->{version} == 2	3521	$facedata->{version} == 2
3053	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
3054		3523
3055	# patch in the exptable	3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3056	$facedata->{resource}{"res/exp_table"} = {	3526	$facedata->{resource}{"res/exp_table"} = {
3057	type => FT_RSRC,	3527	type => FT_RSRC,
3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
3059	};	3530	};
3060	cf::cede_to_tick;	3531	cf::cede_to_tick;
3061		3532
3062	{	3533	{
3063	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
3064		3535
3065	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
3067	cf::face::set_visibility $idx, $info->{visibility};	3539	cf::face::set_visibility $idx, $info->{visibility};
3068	cf::face::set_magicmap $idx, $info->{magicmap};	3540	cf::face::set_magicmap $idx, $info->{magicmap};
3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3071		3544
3072	cf::cede_to_tick;	3545	cf::cede_to_tick;
3073	}	3546	}
3074		3547
3075	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
3076	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
3077	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
3078	or next;	3552	or next;
		3553
3079	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
3080	cf::face::set_smooth $idx, $smooth;	3555	cf::face::set_smooth $idx, $smooth;
3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3082	} else {	3557	} else {
3083	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
3084	}	3559	}
3085		3560
3086	cf::cede_to_tick;	3561	cf::cede_to_tick;
3087	}	3562	}
3088	}	3563	}
…		…
3097		3572
3098	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
3099	}	3574	}
3100		3575
3101	{	3576	{
3102	# TODO: for gcfclient pleasure, we should give resources
3103	# that gcfclient doesn't grok a >10000 face index.
3104	my $res = $facedata->{resource};	3577	my $res = $facedata->{resource};
3105		3578
3106	my $soundconf = delete $res->{"res/sound.conf"};
3107
3108	while (my ($name, $info) = each %$res) {	3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3110	my $data;
3111		3583
3112	if ($info->{type} & 1) {	3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3113	# prepend meta info	3585	cf::face::set_type $idx, $type;
3114		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3115	my $meta = $enc->encode ({
3116	name => $name,
3117	%{ $info->{meta} || {} },
3118	});
3119
3120	$data = pack "(w/a*)*", $meta, $info->{data};
3121	} else {	3587	} else {
3122	$data = $info->{data};	3588	# $RESOURCE{$name} = $info; # unused
3123	}	3589	}
3124		3590
3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3126	cf::face::set_type $idx, $info->{type};
3127
3128	cf::cede_to_tick;	3591	cf::cede_to_tick;
3129	}	3592	}
3130
3131	if ($soundconf) {
3132	$soundconf = $enc->decode (delete $soundconf->{data});
3133
3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3135	my $sound = $soundconf->{compat}[$_]
3136	or next;
3137
3138	my $face = cf::face::find "sound/$sound->[1]";
3139	cf::sound::set $sound->[0] => $face;
3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3141	}
3142
3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
3144	my $face = cf::face::find "sound/$v";
3145	cf::sound::set $k => $face;
3146	}
3147	}
3148	}	3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3149		3596
3150	1	3597	1
3151	}	3598	}
3152		3599
3153	register_exticmd fx_want => sub {	3600	register_exticmd fx_want => sub {
…		…
3155		3602
3156	while (my ($k, $v) = each %$want) {	3603	while (my ($k, $v) = each %$want) {
3157	$ns->fx_want ($k, $v);	3604	$ns->fx_want ($k, $v);
3158	}	3605	}
3159	};	3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
3160		3617
3161	sub reload_regions {	3618	sub reload_regions {
3162	# HACK to clear player env face cache, we need some signal framework	3619	# HACK to clear player env face cache, we need some signal framework
3163	# for this (global event?)	3620	# for this (global event?)
3164	%ext::player_env::MUSIC_FACE_CACHE = ();	3621	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3178	}	3635	}
3179		3636
3180	sub reload_archetypes {	3637	sub reload_archetypes {
3181	load_resource_file "$DATADIR/archetypes"	3638	load_resource_file "$DATADIR/archetypes"
3182	or die "unable to load archetypes\n";	3639	or die "unable to load archetypes\n";
3183	#d# NEED to laod twice to resolve forward references
3184	# this really needs to be done in an extra post-pass
3185	# (which needs to be synchronous, so solve it differently)
3186	load_resource_file "$DATADIR/archetypes"
3187	or die "unable to load archetypes\n";
3188	}	3640	}
3189		3641
3190	sub reload_treasures {	3642	sub reload_treasures {
3191	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
3192	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
3193	}	3645	}
3194		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
3195	sub reload_resources {	3667	sub reload_resources {
3196	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
3197		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
3198	reload_regions;	3675	reload_regions;
3199	reload_facedata;
3200	#reload_archetypes;#d#
3201	reload_archetypes;
3202	reload_treasures;	3676	reload_treasures;
3203		3677
3204	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
3205	}
3206
3207	sub init {
3208	reload_resources;
3209	}	3679	}
3210		3680
3211	sub reload_config {	3681	sub reload_config {
3212	open my $fh, "<:utf8", "$CONFDIR/config"	3682	trace "reloading config file...\n";
3213	or return;
3214		3683
3215	local $/;	3684	my $config = load_file "$CONFDIR/config";
3216	*CFG = YAML::Syck::Load <$fh>;	3685	utf8::decode $config;
		3686	*CFG = decode_yaml $config;
3217		3687
3218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3219		3689
3220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3222		3692
3223	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
3227	};	3697	};
3228	warn $@ if $@;	3698	warn $@ if $@;
3229	}	3699	}
3230	}	3700	}
3231		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
3232	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
3233	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
3234	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3236	(async {	3743	(async {
3237	$Coro::current->{desc} = "IDLE BUG HANDLER";	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
3238	Event::one_event;	3745	EV::loop EV::LOOP_ONESHOT;
3239	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
3240	};	3747	};
3241		3748
		3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
3242	reload_config;	3761	reload_config;
3243	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
3244	load_extensions;	3772	load_extensions;
3245		3773
3246	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
3247	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
3248	}	3791	}
3249		3792
3250	#############################################################################	3793	#############################################################################
3251	# initialisation and cleanup	3794	# initialisation and cleanup
3252		3795
3253	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
3254	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
3255	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
3256	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3257	reentrant => 0,
3258	data => WF_AUTOCANCEL,
3259	signal => $signal,
3260	prio => 0,
3261	cb => sub {
3262	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
3263	},
3264	);	3802	};
3265	}	3803	}
3266	}	3804	}
3267		3805
3268	sub write_runtime {	3806	sub write_runtime_sync {
3269	my $runtime = "$LOCALDIR/runtime";	3807	my $t0 = AE::time;
3270		3808
3271	# first touch the runtime file to show we are still running:	3809	# first touch the runtime file to show we are still running:
3272	# the fsync below can take a very very long time.	3810	# the fsync below can take a very very long time.
3273		3811
3274	IO::AIO::aio_utime $runtime, undef, undef;	3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3275		3813
3276	my $guard = cf::lock_acquire "write_runtime";	3814	my $guard = cf::lock_acquire "write_runtime";
3277		3815
3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3279	or return;	3817	or return;
3280		3818
3281	my $value = $cf::RUNTIME + 90 + 10;	3819	my $value = $cf::RUNTIME + 90 + 10;
3282	# 10 is the runtime save interval, for a monotonic clock	3820	# 10 is the runtime save interval, for a monotonic clock
3283	# 60 allows for the watchdog to kill the server.	3821	# 60 allows for the watchdog to kill the server.
…		…
3293	aio_utime $fh, undef, undef;	3831	aio_utime $fh, undef, undef;
3294		3832
3295	close $fh	3833	close $fh
3296	or return;	3834	or return;
3297		3835
3298	aio_rename "$runtime~", $runtime	3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3299	and return;	3837	and return;
3300		3838
3301	warn "runtime file written.\n";	3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3302		3840
3303	1	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
3304	}	3892	}
3305		3893
3306	sub emergency_save() {	3894	sub emergency_save() {
3307	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
3308		3896
3309	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
3310		3903
3311	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
3312	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
3313	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
3314	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
3315	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
3316	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
3317	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
3318	$pl->valid or next;	3913	$pl->valid or next;
3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3320	$pl->save;	3915	$pl->save;
3321	}	3916	}
3322	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
3323		3918
3324	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
3325	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
3326	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
3327	$map->valid or next;	3924	$map->valid or next;
3328	$map->save;	3925	$map->save;
3329	}	3926	}
3330	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
3331		3928
3332	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
3333	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
3334	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
3335	};	3957	};
3336		3958
3337	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
3338	}	3960	}
3339		3961
3340	sub post_cleanup {	3962	sub post_cleanup {
3341	my ($make_core) = @_;	3963	my ($make_core) = @_;
3342		3964
		3965	IO::AIO::flush;
		3966
3343	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
3344	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
3345	}	3997	}
3346		3998
3347	sub do_reload_perl() {	3999	sub do_reload_perl() {
3348	# can/must only be called in main	4000	# can/must only be called in main
3349	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
3350	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
3351	return;	4003	return;
3352	}	4004	}
3353		4005
3354	warn "reloading...";	4006	return if $RELOAD++;
3355		4007
3356	warn "entering sync_job";	4008	my $t1 = AE::time;
3357		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
3358	cf::sync_job {	4016	cf::sync_job {
3359	cf::write_runtime; # external watchdog should not bark
3360	cf::emergency_save;	4017	#cf::emergency_save;
3361	cf::write_runtime; # external watchdog should not bark
3362		4018
3363	warn "syncing database to disk";
3364	BDB::db_env_txn_checkpoint $DB_ENV;
3365
3366	# if anything goes wrong in here, we should simply crash as we already saved
3367
3368	warn "cancelling all WF_AUTOCANCEL watchers";
3369	for (Event::all_watchers) {
3370	$_->cancel if $_->data & WF_AUTOCANCEL;
3371	}
3372
3373	warn "flushing outstanding aio requests";
3374	for (;;) {
3375	BDB::flush;
3376	IO::AIO::flush;
3377	Coro::cede_notself;
3378	last unless IO::AIO::nreqs || BDB::nreqs;
3379	warn "iterate...";
3380	}
3381
3382	++$RELOAD;
3383
3384	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
3385	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
3386	%EXT_CORO = ();	4021	%EXT_CORO = ();
3387		4022
3388	warn "removing commands";	4023	trace "perl_reload: removing commands";
3389	%COMMAND = ();	4024	%COMMAND = ();
3390		4025
3391	warn "removing ext/exti commands";	4026	trace "perl_reload: removing ext/exti commands";
3392	%EXTCMD = ();	4027	%EXTCMD = ();
3393	%EXTICMD = ();	4028	%EXTICMD = ();
3394		4029
3395	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
3396	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
3397	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
3398		4033
3399	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
3400	eval {	4035	eval {
3401	$cb->($pkg);	4036	$cb->($pkg);
3402	1	4037	1
3403	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
3404	}	4043	}
3405		4044
3406	warn "... nuking $pkg";
3407	Symbol::delete_package $pkg;
3408	}
3409
3410	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3411	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
3412	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3413		4048
3414	warn "... unloading $k";	4049	trace "... unloading $k";
3415	delete $INC{$k};	4050	delete $INC{$k};
3416		4051
3417	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
3418	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
3419		4054
3420	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
3421	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
3422	}	4060	}
3423		4061
3424	Symbol::delete_package $k;
3425	}
3426
3427	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
3428	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3430		4065
3431	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
3432	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
3433	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3434		4069
3435	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
3436	# and global variables created in xs	4071	# and global variables created in xs
3437	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
3438		4073
3439	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
3440		4075
3441	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
3442	require cf;	4077	require cf;
3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
3444		4079
3445	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
3446	cf::reload_config;	4081	cf::reload_config;
3447		4082
3448	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
3449	cf::load_extensions;	4084	cf::load_extensions;
3450		4085
		4086	if ($REATTACH_ON_RELOAD) {
3451	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
3452	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
3453	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
3454	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
3455	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
3456	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
3457		4094
3458	warn "leaving sync_job";	4095	cf::_post_init 1;
3459		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
3460	1	4099	1
3461	} or do {	4100	} or do {
3462	warn $@;	4101	error $@;
3463	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
3464	exit 1;	4103	};
		4104
		4105	--$RELOAD;
3465	};	4106	}
3466		4107
3467	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
3468	};	4110	};
3469		4111
3470	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
3471		4113
3472	sub reload_perl() {	4114	sub reload_perl() {
3473	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
3474	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
3475		4117
3476	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
3477	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
3478	after => 0,	4120
3479	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3480	cb => sub {
3481	do_reload_perl;	4122	do_reload_perl;
3482	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
3483	},	4124	};
3484	);	4125	};
3485	}	4126	}
3486		4127
3487	register_command "reload" => sub {	4128	register_command "reload" => sub {
3488	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
3489		4130
…		…
3494	reload_perl;	4135	reload_perl;
3495	};	4136	};
3496	}	4137	}
3497	};	4138	};
3498		4139
3499	unshift @INC, $LIBDIR;	4140	#############################################################################
3500		4141
3501	my $bug_warning = 0;	4142	my $bug_warning = 0;
3502		4143
3503	our @WAIT_FOR_TICK;
3504	our @WAIT_FOR_TICK_BEGIN;
3505
3506	sub wait_for_tick {	4144	sub wait_for_tick() {
3507	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3508	return if $Coro::current == $Coro::main;
3509		4146
3510	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
3511	push @WAIT_FOR_TICK, $signal;
3512	$signal->wait;
3513	}	4148	}
3514		4149
3515	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
3516	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3517	return if $Coro::current == $Coro::main;
3518		4152
3519	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
3520	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
3521	$signal->wait;	4155	$signal->wait;
3522	}	4156	}
3523		4157
3524	$TICK_WATCHER = Event->timer (	4158	sub tick {
3525	reentrant => 0,
3526	parked => 1,
3527	prio => 0,
3528	at => $NEXT_TICK || $TICK,
3529	data => WF_AUTOCANCEL,
3530	cb => sub {
3531	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3533	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
3534	return;	4162	return;
3535	}	4163	}
3536		4164
3537	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
3538		4166
3539	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3540		4168
3541	$RUNTIME += $TICK;
3542	$NEXT_TICK += $TICK;
3543
3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3545	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3546	Coro::async_pool {	4171	Coro::async_pool {
3547	$Coro::current->{desc} = "runtime saver";	4172	$Coro::current->{desc} = "runtime saver";
3548	write_runtime	4173	write_runtime_sync
3549	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
3550	};
3551	}	4175	};
		4176	}
3552		4177
3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3554	$sig->send;	4179	$sig->send;
3555	}	4180	}
3556	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
3557	$sig->send;
3558	}
3559		4182
3560	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
3561
3562	# if we are delayed by four ticks or more, skip them all
3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3564
3565	$TICK_WATCHER->at ($NEXT_TICK);
3566	$TICK_WATCHER->start;
3567
3568	$LOAD = ($NOW - $tick_start) / $TICK;
3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3570		4185
3571	_post_tick;	4186	if (0) {
		4187	if ($NEXT_TICK) {
		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
3572	},	4192	}
3573	);	4193	}
3574		4194
3575	{	4195	{
		4196	# configure BDB
		4197
3576	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
3577	BDB::max_poll_time $TICK * 0.1;	4199	BDB::max_poll_reqs $TICK * 0.1;
3578	$BDB_POLL_WATCHER = Event->io (	4200	#$AnyEvent::BDB::WATCHER->priority (1);
3579	reentrant => 0,
3580	fd => BDB::poll_fileno,
3581	poll => 'r',
3582	prio => 0,
3583	data => WF_AUTOCANCEL,
3584	cb => \&BDB::poll_cb,
3585	);
3586
3587	BDB::set_sync_prepare {
3588	my $status;
3589	my $current = $Coro::current;
3590	(
3591	sub {
3592	$status = $!;
3593	$current->ready; undef $current;
3594	},
3595	sub {
3596	Coro::schedule while defined $current;
3597	$! = $status;
3598	},
3599	)
3600	};
3601		4201
3602	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
3603	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3605	| BDB::LOG_AUTOREMOVE, 1);	4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3608		4209
3609	cf::sync_job {	4210	cf::sync_job {
3610	eval {	4211	eval {
…		…
3620		4221
3621	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
3622	};	4223	};
3623	}	4224	}
3624		4225
3625	$BDB_DEADLOCK_WATCHER = Event->timer (	4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3626	after => 3,
3627	interval => 1,
3628	hard => 1,
3629	prio => 0,
3630	data => WF_AUTOCANCEL,
3631	cb => sub {
3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3633	},
3634	);	4228	};
3635	$BDB_CHECKPOINT_WATCHER = Event->timer (	4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3636	after => 11,
3637	interval => 60,
3638	hard => 1,
3639	prio => 0,
3640	data => WF_AUTOCANCEL,
3641	cb => sub {
3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3643	},
3644	);	4231	};
3645	$BDB_TRICKLE_WATCHER = Event->timer (	4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3646	after => 5,
3647	interval => 10,
3648	hard => 1,
3649	prio => 0,
3650	data => WF_AUTOCANCEL,
3651	cb => sub {
3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3653	},
3654	);	4234	};
3655	}	4235	}
3656		4236
3657	{	4237	{
		4238	# configure IO::AIO
		4239
3658	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
3659
3660	undef $Coro::AIO::WATCHER;
3661	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
3662	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
3663	reentrant => 0,
3664	data => WF_AUTOCANCEL,
3665	fd => IO::AIO::poll_fileno,
3666	poll => 'r',
3667	prio => 0,
3668	cb => \&IO::AIO::poll_cb,
3669	);
3670	}	4243	}
3671		4244
3672	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
3673		4247
3674	sub _log_backtrace {	4248	sub _log_backtrace {
3675	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
3676		4250
3677	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
3678		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3679	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
3680	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
3681	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
3682	async {	4261	async {
3683	$Coro::current->{desc} = "abt $msg";	4262	$Coro::current->{desc} = "abt $msg";
3684		4263
3685	my @bt = fork_call {	4264	my @bt = fork_call {
3686	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
…		…
3697	}	4276	}
3698		4277
3699	@funcs	4278	@funcs
3700	};	4279	};
3701		4280
3702	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3703	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3704	--$_log_backtrace;	4284	--$_log_backtrace;
3705	};	4285	};
3706	} else {	4286	} else {
3707	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3708	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3709	}	4289	}
3710	}	4290	}
3711		4291
3712	# load additional modules	4292	# load additional modules
3713	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3714		4295
3715	END { cf::emergency_save }	4296	END { cf::emergency_save }
3716		4297
3717	1	4298	1
3718		4299

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