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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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",
…		…
2678	"c/examine" => {	3088	"c/examine" => {
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",
		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",
2683	},	3099	},
2684	"c/book" => {	3100	"c/book" => {
2685	id => "infobox",	3101	id => "infobox",
2686	title => "Book",	3102	title => "Book",
2687	reply => undef,	3103	reply => undef,
…		…
2691	id => "infobox",	3107	id => "infobox",
2692	title => "Look",	3108	title => "Look",
2693	reply => undef,	3109	reply => undef,
2694	tooltip => "What you saw there",	3110	tooltip => "What you saw there",
2695	},	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" => $CHAT_CHANNEL,
2696	);	3186	);
2697		3187
2698	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3190
2701	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2702		3193
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3195
2705	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2708		3199
2709	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3201	$channel = $channel->{id};
2713		3202
2714	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3208	}
2721		3209
2722	$channel = $channel->{id};	3210	$channel = $channel->{id};
2723	}	3211	}
2724		3212
2725	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2726		3214
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3215	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2731		3218
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3222	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3223
2746	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3225	}
2760		3226
2761	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2762		3228
2763	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2766		3232
2767	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2769		3235
2770	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}	3241	}
2776	}	3242	}
2777		3243
2778	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2779		3245
…		…
2782	=cut	3248	=cut
2783		3249
2784	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2786		3252
2787	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}
2794	}	3256	}
2795		3257
2796	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2797		3259
2798	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2853	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2854		3316
2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856		3318
2857	if (ref $msg) {	3319	if (ref $msg) {
2858	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2859	"ARRAY" eq ref $msg
2860	? @$msg
2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862		3321
2863	my @reply;	3322	my @reply;
2864		3323
2865	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2866	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2868		3327
2869	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2870	if $reply;	3329	if $reply;
2871		3330
2872	} else {	3331	} else {
2873	warn "client " . ($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";
2874	}	3333	}
2875		3334
2876	cf::override;	3335	cf::override;
2877	},	3336	},
2878	);	3337	);
…		…
2898		3357
2899	$coro	3358	$coro
2900	}	3359	}
2901		3360
2902	cf::client->attach (	3361	cf::client->attach (
2903	on_destroy => sub {	3362	on_client_destroy => sub {
2904	my ($ns) = @_;	3363	my ($ns) = @_;
2905		3364
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3366	},
2908	);	3367	);
…		…
2924	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2925		3384
2926	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2927		3386
2928	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2931	sort time	3390	sort time
2932	));	3391	));
2933		3392
2934	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2937		3396
2938	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2939		3398
2940	cf::object	3399	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2943		3403
2944	cf::object::player	3404	cf::object::player
2945	player	3405	player
2946		3406
2947	cf::player	3407	cf::player
…		…
2952		3412
2953	=cut	3413	=cut
2954		3414
2955	for (	3415	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2962	) {	3422	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3425	for @funs;
2967	}	3426	}
2968		3427
…		…
2983		3442
2984	my $qcode = $code;	3443	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2987		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2988	local $_;	3450	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3451
2991	my $eval =	3452	my $eval =
2992	"do {\n"	3453	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3456	. $code
2996	. "\n}"	3457	. "\n}"
2997	;	3458	;
2998		3459
		3460	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
3002		3469
3003	if ($@) {	3470	if ($@) {
3004	warn "$@";	3471	warn "$@",
3005	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
3007	}	3474	}
3008		3475
3009	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3010	}	3477	}
3011		3478
…		…
3025	=cut	3492	=cut
3026		3493
3027	sub register_script_function {	3494	sub register_script_function {
3028	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3029		3496
3030	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3032	}	3499	}
3033		3500
3034	=back	3501	=back
3035		3502
3036	=cut	3503	=cut
3037		3504
3038	#############################################################################	3505	#############################################################################
3039	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3040		3509
3041	sub load_facedata($) {	3510	sub load_facedata($) {
3042	my ($path) = @_;	3511	my ($path) = @_;
3043		3512
3044	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3045	# for this (global event?)	3514	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3047		3516
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3518
3050	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3051		3520
3052	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3522
3058	$facedata->{version} == 2	3523	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3060		3525
3061	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3062	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3063	type => FT_RSRC,	3529	type => FT_RSRC,
3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3065	};	3532	};
3066	cf::cede_to_tick;	3533	cf::cede_to_tick;
3067		3534
3068	{	3535	{
3069	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3070		3537
3071	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
3073	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3077		3547
3078	cf::cede_to_tick;	3548	cf::cede_to_tick;
3079	}	3549	}
3080		3550
3081	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
3083	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
3084	or next;	3555	or next;
		3556
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3560	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3562	}
3091		3563
3092	cf::cede_to_tick;	3564	cf::cede_to_tick;
3093	}	3565	}
3094	}	3566	}
…		…
3103		3575
3104	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3105	}	3577	}
3106		3578
3107	{	3579	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3111		3581
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3586
3118	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3119	# prepend meta info	3588	cf::face::set_type $idx, $type;
3120		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3121	my $meta = $enc->encode ({	3590	$FACEHASH{$info->{hash}} = $idx;#d#
3122	name => $name,
3123	%{ $info->{meta} || {} },
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3591	} else {
3128	$data = $info->{data};	3592	# $RESOURCE{$name} = $info; # unused
3129	}	3593	}
3130		3594
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3595	cf::cede_to_tick;
3135	}	3596	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3600
3156	1	3601	1
3157	}	3602	}
3158		3603
3159	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
…		…
3161		3606
3162	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
3164	}	3609	}
3165	};	3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
3166		3621
3167	sub reload_regions {	3622	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3623	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3624	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3625	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3639	}
3185		3640
3186	sub reload_archetypes {	3641	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3644	}
3195		3645
3196	sub reload_treasures {	3646	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3199	}	3649	}
3200		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3201	sub reload_resources {	3671	sub reload_resources {
3202	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3203		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
3204	reload_regions;	3679	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3680	reload_treasures;
3209		3681
3210	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3683	}
3216		3684
3217	sub reload_config {	3685	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3219	or return;
3220		3687
3221	local $/;	3688	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3223		3691
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3693
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3228		3696
3229	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3233	};	3701	};
3234	warn $@ if $@;	3702	warn $@ if $@;
3235	}	3703	}
3236	}	3704	}
3237		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3238	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
3239	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3747	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3749	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3246	};	3751	};
3247		3752
		3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
3248	reload_config;	3765	reload_config;
3249	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
3250	load_extensions;	3776	load_extensions;
3251		3777
3252	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3254	}	3795	}
3255		3796
3256	#############################################################################	3797	#############################################################################
3257	# initialisation and cleanup	3798	# initialisation and cleanup
3258		3799
3259	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3260	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3269	},
3270	);	3806	};
3271	}	3807	}
3272	}	3808	}
3273		3809
3274	sub write_runtime {	3810	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3276		3812
3277	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3279		3815
3280	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3817
3282	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3283		3819
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	3821	or return;
3286		3822
3287	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3300		3836
3301	close $fh	3837	close $fh
3302	or return;	3838	or return;
3303		3839
3304	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3841	and return;
3306		3842
3307	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		3844
3309	1	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
3310	}	3896	}
3311		3897
3312	sub emergency_save() {	3898	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3314		3900
3315	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3316		3907
3317	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3318	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3917	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3919	$pl->save;
3327	}	3920	}
3328	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3329		3922
3330	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3928	$map->valid or next;
3334	$map->save;	3929	$map->save;
3335	}	3930	}
3336	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3337		3932
3338	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3341	};	3961	};
3342		3962
3343	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3344	}	3964	}
3345		3965
3346	sub post_cleanup {	3966	sub post_cleanup {
3347	my ($make_core) = @_;	3967	my ($make_core) = @_;
3348		3968
		3969	IO::AIO::flush;
		3970
3349	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3351	}	4001	}
3352		4002
3353	sub do_reload_perl() {	4003	sub do_reload_perl() {
3354	# can/must only be called in main	4004	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3356	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3357	return;	4007	return;
3358	}	4008	}
3359		4009
3360	warn "reloading...";	4010	return if $RELOAD++;
3361		4011
3362	warn "entering sync_job";	4012	my $t1 = AE::time;
3363		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3364	cf::sync_job {	4020	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	4021	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		4022
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	4025	%EXT_CORO = ();
3393		4026
3394	warn "removing commands";	4027	trace "perl_reload: removing commands";
3395	%COMMAND = ();	4028	%COMMAND = ();
3396		4029
3397	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	4031	%EXTCMD = ();
3399	%EXTICMD = ();	4032	%EXTICMD = ();
3400		4033
3401	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3404		4037
3405	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3406	eval {	4039	eval {
3407	$cb->($pkg);	4040	$cb->($pkg);
3408	1	4041	1
3409	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3410	}	4047	}
3411		4048
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		4052
3420	warn "... unloading $k";	4053	trace "... unloading $k";
3421	delete $INC{$k};	4054	delete $INC{$k};
3422		4055
3423	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3425		4058
3426	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3428	}	4064	}
3429		4065
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		4069
3437	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4073
3441	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4075	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3444		4077
3445	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3446		4079
3447	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3448	require cf;	4081	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3450		4083
3451	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4085	cf::reload_config;
3453		4086
3454	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4088	cf::load_extensions;
3456		4089
		4090	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3463		4098
3464	warn "leaving sync_job";	4099	cf::_post_init 1;
3465		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3466	1	4103	1
3467	} or do {	4104	} or do {
3468	warn $@;	4105	error $@;
3469	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4107	};
		4108
		4109	--$RELOAD;
3471	};	4110	}
3472		4111
3473	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3474	};	4114	};
3475		4115
3476	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3477		4117
3478	sub reload_perl() {	4118	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3481		4121
3482	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4124
3485	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4126	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
3489	},	4128	};
3490	);	4129	};
3491	}	4130	}
3492		4131
3493	register_command "reload" => sub {	4132	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
3495		4134
…		…
3500	reload_perl;	4139	reload_perl;
3501	};	4140	};
3502	}	4141	}
3503	};	4142	};
3504		4143
3505	unshift @INC, $LIBDIR;	4144	#############################################################################
3506		4145
3507	my $bug_warning = 0;	4146	my $bug_warning = 0;
3508		4147
3509	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;
3511
3512	sub wait_for_tick {	4148	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4150
3516	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3517	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;
3519	}	4152	}
3520		4153
3521	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3523	return if $Coro::current == $Coro::main;
3524		4156
3525	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4159	$signal->wait;
3528	}	4160	}
3529		4161
3530	$TICK_WATCHER = Event->timer (	4162	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3540	return;	4166	return;
3541	}	4167	}
3542		4168
3543	$NOW = $tick_start = Event::time;	4169	cf::one_tick; # one server iteration
3544		4170
3545	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3546		4172
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4175	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4176	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4177	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4179	};
		4180	}
3558		4181
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4183	$sig->send;
3561	}	4184	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3563	$sig->send;
3564	}
3565		4186
3566	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4189
3577	_post_tick;	4190	if (0) {
		4191	if ($NEXT_TICK) {
		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
3578	},	4196	}
3579	);	4197	}
3580		4198
3581	{	4199	{
		4200	# configure BDB
		4201
3582	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4205
3608	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4213
3615	cf::sync_job {	4214	cf::sync_job {
3616	eval {	4215	eval {
…		…
3626		4225
3627	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4227	};
3629	}	4228	}
3630		4229
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	4232	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4235	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4238	};
3661	}	4239	}
3662		4240
3663	{	4241	{
		4242	# configure IO::AIO
		4243
3664	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4247	}
3677		4248
3678	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3679		4251
3680	sub _log_backtrace {	4252	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3682		4254
3683	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3684		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3688	async {	4265	async {
3689	$Coro::current->{desc} = "abt $msg";	4266	$Coro::current->{desc} = "abt $msg";
3690		4267
3691	my @bt = fork_call {	4268	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4280	}
3704		4281
3705	@funcs	4282	@funcs
3706	};	4283	};
3707		4284
3708	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4288	--$_log_backtrace;
3711	};	4289	};
3712	} else {	4290	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4293	}
3716	}	4294	}
3717		4295
3718	# load additional modules	4296	# load additional modules
3719	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3720		4299
3721	END { cf::emergency_save }	4300	END { cf::emergency_save }
3722		4301
3723	1	4302	1
3724		4303

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