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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.297 by root, Thu Jul 5 08:10:30 2007 UTC vs.
Revision 1.588 by root, Thu Nov 1 13:02:52 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
34		68
35	# configure various modules to our taste	69	# configure various modules to our taste
36	#	70	#
37	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		79
41	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
42		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
58		95
59	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
61		100
62	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
67	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
73		124
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
79	our $NOW;	143	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		144
82	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
93		148
94	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		151
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
100		164
101	binmode STDOUT;	165	binmode STDOUT;
102	binmode STDERR;	166	binmode STDERR;
103		167
104	# read virtual server time, if available	168	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
109	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
110		176
111	mkdir $_	177	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		179
114	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
115		181
116	sub cf::map::normalise;	182	sub cf::map::normalise;
117		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
118	#############################################################################	188	#############################################################################
119		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
120	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
121		202
122	=over 4	203	=over 4
123		204
124	=item $cf::UPTIME	205	=item $cf::UPTIME
125		206
126	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
127		223
128	=item $cf::RUNTIME	224	=item $cf::RUNTIME
129		225
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	227	every server tick.
…		…
137	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
140	database environment.	236	database environment.
141		237
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	238	=item $cf::LOADAVG
151		239
152	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
157		245
158	The raw value load value from the last tick.	246	The raw value load value from the last tick.
159		247
160	=item %cf::CFG	248	=item %cf::CFG
161		249
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	251	from wherever your confdir points to.
164		252
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		254
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
171	=back	288	=back
172		289
173	=cut	290	=cut
174		291
175	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	299	my $msg = join "", @_;
178		300
179	$msg .= "\n"	301	$msg .= "\n"
180	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
181		303
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		305
184	utf8::encode $msg;
185	LOG llevError, $msg;	306	LOG llevWarn, $msg;
186	};	307	};
187	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
188		322
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	333	for my $pkg (qw(
200	cf::global cf::attachable	334	cf::global cf::attachable
201	cf::object cf::object::player	335	cf::object cf::object::player
202	cf::client cf::player	336	cf::client cf::player
203	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
204	cf::map cf::party cf::region	339	cf::party cf::region
205	)) {	340	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	342	}
209		343
210	$Event::DIED = sub {	344	$EV::DIED = sub {
211	warn "error in event callback: @_";	345	warn "error in event callback: $@";
212	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
213		352
214	#############################################################################	353	#############################################################################
215		354
216	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
217		356
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	378	$d
240	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
241	}	380	}
242		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		441
251	=cut	442	=cut
252		443
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		445
255	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
257		510
258	=item cf::lock_wait $string	511	=item cf::lock_wait $string
259		512
260	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
261		514
262	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
263		516
264	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
267	returned.	520	returned.
268		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
269	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
271		527
272	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
273		529
274	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
275		531
276	=cut	532	=cut
277		533
278	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
279		535
280	sub lock_wait($) {	536	sub lock_wait($) {
281	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	538	}
289		539
290	sub lock_acquire($) {	540	sub lock_acquire($) {
291	my ($key) = @_;	541	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	542	}
303		543
304	sub lock_active($) {	544	sub lock_active($) {
305	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	546	}
309		547
310	sub freeze_mainloop {	548	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
312		550
313	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
315	};	621	}
316	$TICK_WATCHER->stop;	622	};
317	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
318	}	637	}
319		638
320	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
321		640
322	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		646
328	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
329		648
330	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
331		650
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	654	acceptable.
336		655
337	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	661	=cut
343		662
344	sub sync_job(&) {	663	sub sync_job(&) {
345	my ($job) = @_;	664	my ($job) = @_;
346		665
347	if ($Coro::current == $Coro::main) {	666	if (in_main) {
348	my $time = Event::time;	667	my $time = AE::time;
349		668
350	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
352		671
353	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	673
355	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
356		675
357	my $busy = 1;	676	my $busy = 1;
358	my @res;	677	my @res;
359		678
360	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	681	@res = eval { $job->() };
362	warn $@ if $@;	682	error $@ if $@;
363	undef $busy;	683	undef $busy;
364	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
365		685
366	while ($busy) {	686	while ($busy) {
367	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
368	}	691	}
		692	}
369		693
370	$time = Event::time - $time;	694	my $time = AE::time - $time;
371		695
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
376		697
377	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
378	} else {	699	} else {
379	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
380		701
…		…
400	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
401		722
402	$coro	723	$coro
403	}	724	}
404		725
405	=item fork_call { }, $args	726	=item fork_call { }, @args
406		727
407	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
411		732
412	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
413		738
414	sub fork_call(&@) {	739	sub fork_call(&@) {
415	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
416		741
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		745
422	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
423	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
424		750
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	752	}
427		753
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
447	}	790	}
448		791
449	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
450		793
451	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
454		797
455	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
458	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
459		827
460	our $DB;	828	our $DB;
461		829
462	sub db_init {	830	sub db_init {
463	unless ($DB) {	831	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	832	}
478		833
479	sub db_get($$) {	834	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
481		836
482	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
483	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
484		841
485	$! ? ()	842	$! ? ()
486	: $data	843	: $data
487	}
488	}	844	}
489		845
490	sub db_put($$$) {	846	sub db_put($$$) {
491	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		876
521	my @data;	877	my @data;
522	my $md5;	878	my $md5;
523		879
524	for (0 .. $#$src) {	880	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	882	}
528		883
529	# if processing is expensive, check	884	# if processing is expensive, check
530	# checksum first	885	# checksum first
531	if (1) {	886	if (1) {
532	$md5 =	887	$md5 =
533	join "\x00",	888	join "\x00",
534	$processversion,	889	$processversion,
535	map {	890	map {
536	Coro::cede;	891	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	893	} 0.. $#$src;
539		894
540		895
541	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		903
549	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	905	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
552		907
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		909
555	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
558		913
…		…
568		923
569	=cut	924	=cut
570		925
571	sub datalog($@) {	926	sub datalog($@) {
572	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	929	}
575		930
576	=back	931	=back
577		932
578	=cut	933	=cut
579		934
580	#############################################################################	935	#############################################################################
581		936
582	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
583		938
584	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
587		942
588	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	945	Deliantra).
591		946
592	=over 4	947	=over 4
593		948
594	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
595		950
…		…
639	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
640		995
641	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
643		998
644	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
646		1001
647	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
648		1003
649	=over 4	1004	=over 4
…		…
773		1128
774	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1131
777	} elsif (ref $type) {	1132	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
779		1134
780	} else {	1135	} else {
781	shift @arg;	1136	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
783	}	1138	}
784	}	1139	}
785	}	1140	}
786		1141
787	sub _object_attach {	1142	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
798	}	1153	}
799		1154
800	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
801	} else {	1156	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1158	}
804		1159
805	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
806	}	1161	}
807		1162
…		…
847	";	1202	";
848	die if $@;	1203	die if $@;
849	}	1204	}
850		1205
851	our $override;	1206	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1208
854	sub override {	1209	sub override {
855	$override = 1;	1210	$override = 1;
856	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
857	}	1212	}
858		1213
859	sub do_invoke {	1214	sub do_invoke {
860	my $event = shift;	1215	my $event = shift;
861	my $callbacks = shift;	1216	my $callbacks = shift;
862		1217
863	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
864		1219
865	local $override;	1220	local $override;
866		1221
867	for (@$callbacks) {	1222	for (@$callbacks) {
868	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
869		1224
870	if ($@) {	1225	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1227	override;
874	}	1228	}
875		1229
876	return 1 if $override;	1230	return 1 if $override;
877	}	1231	}
878		1232
879	0	1233	0
880	}	1234	}
881		1235
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1237
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1239
886	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
887		1241
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1245
892	=back	1246	=back
893		1247
894	=cut	1248	=cut
895		1249
896	#############################################################################	1250	#############################################################################
897	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
898		1294
899	sub reattach {	1295	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1297	my ($obj) = @_;
902		1298
		1299	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1301
905	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
906		1303
907	@$registry = ();	1304	@$registry = ();
908		1305
…		…
913	for (@$attach) {	1310	for (@$attach) {
914	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
916	}	1313	}
917	} else {	1314	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1316	}
920	}	1317	}
921	}	1318	}
922		1319
923	cf::attachable->attach (	1320	cf::attachable->attach (
924	prio => -1000000,	1321	prio => -1000000,
925	on_instantiate => sub {	1322	on_instantiate => sub {
926	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
927		1324
928	$data = from_json $data;	1325	$data = decode_json $data;
929		1326
930	for (@$data) {	1327	for (@$data) {
931	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
932		1329
933	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1346	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
951		1348
952	sync_job {	1349	sync_job {
953	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
956		1355
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
961	close $fh;	1363	aio_close $fh;
962		1364
963	if (@$objs) {	1365	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
969	close $fh;	1374	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
971	}	1376	}
972	} else {	1377	} else {
973	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
974	}	1379	}
975		1380
976	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1385	} else {
978	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
979	}	1387	}
980	} else {	1388	} else {
981	aio_unlink $filename;	1389	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
983	}	1391	}
984	}	1392	};
985	}	1393	}
986		1394
987	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
989		1397
…		…
1001	or return;	1409	or return;
1002		1410
1003	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1413	or return;
		1414
1006	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1007	}	1417	}
1008		1418
		1419	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1011	return ($data, $av);	1424	($data, $av)
1012	}	1425	}
1013		1426
1014	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1015		1428
1016	=over 4	1429	=over 4
…		…
1070	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1071		1484
1072	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1073	}	1486	}
1074		1487
		1488	use File::Glob ();
		1489
1075	cf::player->attach (	1490	cf::player->attach (
1076	on_command => sub {	1491	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1078		1493
1079	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1080	or return;	1495	or return;
1081		1496
…		…
1089	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1090		1505
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1507
1093	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1099	} else {	1520	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1522	}
1102		1523
1103	cf::override;	1524	cf::override;
1104	},	1525	},
1105	);	1526	);
1106		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1107	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1108	cf::sync_job {	1557	cf::sync_job {
1109	my %todo;	1558	my %todo;
1110		1559
1111	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1561	next unless -r $path;
…		…
1130		1579
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1582
1134	$ext{source} =	1583	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1137	. $source	1586	. $source
1138	. "\n};\n1";	1587	. "\n};\n1";
1139		1588
1140	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1141	}	1590	}
1142		1591
		1592	my $pass = 0;
1143	my %done;	1593	my %done;
1144	while (%todo) {	1594	while (%todo) {
1145	my $progress;	1595	my $progress;
1146		1596
		1597	++$pass;
		1598
		1599	ext:
1147	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1602	next ext
1150	unless exists $done{$_};	1603	unless exists $done{$_};
1151	}	1604	}
1152		1605
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1607
1155	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1160	warn $msg;	1624
1161	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1626	delete $todo{$k};
1163	}	1627	} else {
1164		1628	$done{$k} = delete $todo{$k};
1165	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1166	}	1634	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1635	}
1172		1636
1173	skip:	1637	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1176	}	1647	}
1177	};	1648	};
1178	}	1649	}
1179		1650
1180	#############################################################################	1651	#############################################################################
1181		1652
1182	=back	1653	=back
1183		1654
1184	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1185		1656
1186	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1187		1658
1188	=cut	1659	=cut
1189		1660
1190	package cf::player;	1661	package cf::player;
1191		1662
1192	use Coro::AIO;	1663	use Coro::AIO;
1193		1664
1194	=head3 cf::player	1665	=head3 cf::player
1195		1666
1196	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1197		1682
1198	=item cf::player::find $login	1683	=item cf::player::find $login
1199		1684
1200	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1201		1686
…		…
1220		1705
1221	sub exists($) {	1706	sub exists($) {
1222	my ($login) = @_;	1707	my ($login) = @_;
1223		1708
1224	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1226	}	1711	}
1227		1712
1228	sub find($) {	1713	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1715	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1726
1242	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1245	}	1736	}
1246	}	1737	}
1247	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1248		1752
1249	sub save($) {	1753	sub save($) {
1250	my ($pl) = @_;	1754	my ($pl) = @_;
1251		1755
1252	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1258		1762
1259	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1261		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1262	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1263	Coro::cede;	1772	cf::cede_to_tick;
1264	}	1773	}
1265		1774
1266	sub new($) {	1775	sub new($) {
1267	my ($login) = @_;	1776	my ($login) = @_;
1268		1777
…		…
1274	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1275		1784
1276	$self	1785	$self
1277	}	1786	}
1278		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1279	=item $pl->quit_character	1798	=item $pl->quit_character
1280		1799
1281	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1283		1802
…		…
1287	my ($pl) = @_;	1806	my ($pl) = @_;
1288		1807
1289	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1290		1809
1291	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1812
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1297	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1298		1821
1299	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1336	or return [];	1859	or return [];
1337		1860
1338	my @logins;	1861	my @logins;
1339		1862
1340	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1344		1873
1345	utf8::decode $login;	1874	utf8::decode $login;
1346	push @logins, $login;	1875	push @logins, $login;
1347	}	1876	}
1348		1877
1349	\@logins	1878	\@logins
1350	}	1879	}
1351		1880
1352	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1353		1884
1354	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1355	player. May block.	1886	player. May block.
1356		1887
1357	=cut	1888	=cut
…		…
1375	}	1906	}
1376		1907
1377	\@paths	1908	\@paths
1378	}	1909	}
1379		1910
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1912
1382	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1383		1914
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1431		1916
1432	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1433		1918
1434	=cut	1919	=cut
1435		1920
1436	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1437	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1438		1923
1439	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}	1925	}
1442		1926
1443	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1444		1928
1445	Sends an ext event to the client.	1929	Sends an ext event to the client.
1446		1930
1447	=cut	1931	=cut
1448		1932
1449	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1451		1935
1452	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1453	}	1937	}
1454		1938
1455	=head3 cf::region	1939	=head3 cf::region
1456		1940
1457	=over 4	1941	=over 4
…		…
1467	=cut	1951	=cut
1468		1952
1469	sub find_by_path($) {	1953	sub find_by_path($) {
1470	my ($path) = @_;	1954	my ($path) = @_;
1471		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1472	my ($match, $specificity);	1958	my ($match, $specificity);
1473		1959
1474	for my $region (list) {	1960	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1478	}	1964	}
1479	}	1965	}
1480		1966
…		…
1501	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1503		1989
1504	sub generate_random_map {	1990	sub generate_random_map {
1505	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1507	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	1996	}
1521		1997
1522	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1523		1999
1524	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1529		2005
1530	sub register {	2006	sub register {
1531	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2008	my $pkg = caller;
1533		2009
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2011
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2013	}
1539		2014
1540	# also paths starting with '/'	2015	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2017
1543	sub thawer_merge {	2018	sub thawer_merge {
1544	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1545		2020
1546	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1551	}	2026	}
1552		2027
1553	sub normalise {	2028	sub normalise {
1554	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1555		2030
1556	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1557		2032
1558	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1559		2034
1560	# map plan:	2035	# map plan:
1561	#	2036	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2052	$path = "$base/$path";
1578	}	2053	}
1579		2054
1580	for ($path) {	2055	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1584	}	2058	}
1585		2059
1586	$path	2060	$path
…		…
1600	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1601	return $self;	2075	return $self;
1602	}	2076	}
1603	}	2077	}
1604		2078
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2080	()
1607	}	2081	}
1608		2082
		2083	# may re-bless or do other evil things
1609	sub init {	2084	sub init {
1610	my ($self) = @_;	2085	my ($self) = @_;
1611		2086
1612	$self	2087	$self
1613	}	2088	}
…		…
1632		2107
1633	# the temporary/swap location	2108	# the temporary/swap location
1634	sub save_path {	2109	sub save_path {
1635	my ($self) = @_;	2110	my ($self) = @_;
1636		2111
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1639	}	2114	}
1640		2115
1641	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1642	sub uniq_path {	2117	sub uniq_path {
1643	my ($self) = @_;	2118	my ($self) = @_;
1644		2119
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2122	}
1657		2123
1658	sub decay_objects {	2124	sub decay_objects {
1659	my ($self) = @_;	2125	my ($self) = @_;
1660		2126
…		…
1673		2139
1674	sub load_header_from($) {	2140	sub load_header_from($) {
1675	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1676		2142
1677	utf8::encode $path;	2143	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2145	or return;
1683		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1684	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1685		2154
1686	1	2155	1
1687	}	2156	}
1688		2157
		2158	# used to laod the header of an original map
1689	sub load_header_orig {	2159	sub load_header_orig {
1690	my ($self) = @_;	2160	my ($self) = @_;
1691		2161
1692	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1693	}	2163	}
1694		2164
		2165	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2166	sub load_header_temp {
1696	my ($self) = @_;	2167	my ($self) = @_;
1697		2168
1698	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1699	}	2170	}
1700		2171
		2172	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2173	sub prepare_temp {
1702	my ($self) = @_;	2174	my ($self) = @_;
1703		2175
1704	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1706	# safety	2178	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2181	}
1710		2182
		2183	# called after loading the header from an original map
1711	sub prepare_orig {	2184	sub prepare_orig {
1712	my ($self) = @_;	2185	my ($self) = @_;
1713		2186
1714	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2212
1740	sub find;	2213	sub find;
1741	sub find {	2214	sub find {
1742	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1743		2216
		2217	cf::cede_to_tick;
		2218
1744	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1745		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2223
1748	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1751	or return;	2226	or return;
1752		2227
1753	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1754		2229
…		…
1756	or return;	2231	or return;
1757		2232
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1761	$map->reset;	2238	$map->reset;
1762	undef $guard;
1763	return find $path;	2239	return find $path;
1764	}	2240	}
1765		2241
1766	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1767	}	2243	}
1768	}	2244	}
1769		2245
1770	sub pre_load { }	2246	sub pre_load { }
1771	sub post_load { }	2247	#sub post_load { } # XS
1772		2248
1773	sub load {	2249	sub load {
1774	my ($self) = @_;	2250	my ($self) = @_;
1775		2251
1776	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1777		2253
1778	my $path = $self->{path};	2254	my $path = $self->{path};
1779		2255
1780	{	2256	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1782		2258
		2259	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2261
1787	$self->alloc;	2262	$self->alloc;
1788		2263
1789	$self->pre_load;	2264	$self->pre_load;
1790	Coro::cede;	2265	cf::cede_to_tick;
1791		2266
1792	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1793	or return;	2271	or return;
1794		2272
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1796	if delete $self->{load_original};	2274	if delete $self->{load_original};
1797		2275
1798	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2277	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2280	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1803	}	2285	}
1804	}
1805		2286
1806	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1807	# now do the right thing for maps	2296	# now do the right thing for maps
1808	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2299	unless $self->difficulty;
1811	Coro::cede;	2300	cf::cede_to_tick;
1812		2301
1813	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2303	$self->decay_objects;
1815	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1816	$self->update_buttons;	2305	$self->update_buttons;
1817	Coro::cede;	2306	cf::cede_to_tick;
1818	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2308	}
1822		2309
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1824	}	2312	}
1825		2313
1826	$self->post_load;	2314	$self->post_load;
1827	}
1828		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2322	sub customise_for {
1830	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1831		2324
1832	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2326	if $self->per_player;
…		…
1836	# if $self->per_party;	2329	# if $self->per_party;
1837		2330
1838	$self	2331	$self
1839	}	2332	}
1840		2333
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2334	sub find_sync {
1866	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1867		2336
1868	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1869	}	2342	}
1870		2343
1871	sub do_load_sync {	2344	sub do_load_sync {
1872	my ($map) = @_;	2345	my ($map) = @_;
1873		2346
1874	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1875	}	2352	}
1876		2353
1877	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1879		2356
1880	sub find_async {	2357	sub find_async {
1881	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1882		2359
1883	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1884		2361
1885	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1887	}	2364	}
1888		2365
1889	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1890	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1891	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2373	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2374	$map->load if $v;
		2375	}
1896		2376
1897	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1898	}	2378	}
1899	}	2379	}
1900	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1901	};	2381	};
1902	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1903		2383
1904	()	2384	()
1905	}	2385	}
1906		2386
		2387	# common code, used by both ->save and ->swapout
1907	sub save {	2388	sub _save {
1908	my ($self) = @_;	2389	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2390
1912	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1913		2392
1914	return unless $self->dirty;	2393	return unless $self->dirty;
1915		2394
…		…
1921	return if $self->{deny_save};	2400	return if $self->{deny_save};
1922		2401
1923	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1924		2403
1925	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1927	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1928		2410
1929	if ($uniq) {	2411	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2414	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2416	}
1935	}	2417	}
1936		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1937	sub swap_out {	2427	sub swap_out {
1938	my ($self) = @_;	2428	my ($self) = @_;
1939		2429
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1945	return if $self->players;	2434	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1949	$self->clear;	2445	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2446	}
1952		2447
1953	sub reset_at {	2448	sub reset_at {
1954	my ($self) = @_;	2449	my ($self) = @_;
1955		2450
…		…
1973		2468
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2470
1976	return if $self->players;	2471	return if $self->players;
1977		2472
1978	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1979		2474
1980	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1981		2476
1982	# need to save uniques path	2477	# need to save uniques path
1983	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2480
…		…
1987	if $uniq;	2482	if $uniq;
1988	}	2483	}
1989		2484
1990	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1991		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2489	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2490
1996	$self->unlink_save;	2491	$self->unlink_save;
1997	$self->destroy;	2492	$self->destroy;
1998	}	2493	}
1999		2494
2000	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2001		2496
2002	sub nuke {	2497	sub nuke {
2003	my ($self) = @_;	2498	my ($self) = @_;
2004		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2005	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2006		2504
2007	$self->unlink_save;	2505	$self->unlink_save;
2008		2506
2009	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2512
2015	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2016		2515
2017	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2018	}	2517	}
2019		2518
2020	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2062		2561
2063	sub unique_maps() {	2562	sub unique_maps() {
2064	[	2563	[
2065	map {	2564	map {
2066	utf8::decode $_;	2565	utf8::decode $_;
2067	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2068	? normalise $_	2569	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2571	]
2072	}	2572	}
2073		2573
2074	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2075		2605
2076	=back	2606	=back
2077		2607
2078	=head3 cf::object	2608	=head3 cf::object
2079		2609
…		…
2083		2613
2084	=over 4	2614	=over 4
2085		2615
2086	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2087		2617
2088	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2089		2620
2090	=cut	2621	=cut
2091		2622
2092	sub inv_recursive_;	2623	sub inv_recursive_;
2093	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2096		2627
2097	sub inv_recursive {	2628	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2099	}	2630	}
2100		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2101	package cf;	2660	package cf;
2102		2661
2103	=back	2662	=back
2104		2663
2105	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2114		2673
2115	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2116		2689
2117	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2691	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2127		2700
2128	} else {	2701	} else {
2129	my $pl = $self->contr;	2702	my $pl = $self->contr;
2130		2703
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2707
2140	} else {	2708	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2711	}
2144	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2145	}	2723	}
2146		2724
2147	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2148		2726
2149	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2162		2740
2163	=item $player_object->enter_link	2741	=item $player_object->enter_link
2164		2742
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2744
2167	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2169		2749
2170	Will never block.	2750	Will never block.
2171		2751
2172	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2173		2753
…		…
2193	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2774	my ($self) = @_;
2195		2775
2196	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2197		2777
		2778	++$self->{_link_recursion};
		2779
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2781
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2202		2784
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2786	}
2205		2787
2206	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2208		2790
…		…
2225	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2227		2809
2228	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2231		2813
2232	$map->load;	2814	$map->load;
2233	$map->load_diag;
2234		2815
2235	return unless $self->contr->active;	2816	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2817
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2240	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2241		2825
		2826	}
		2827
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2829
2244	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
2248		2838
2249	=cut	2839	=cut
2250		2840
2251	our $GOTOGEN;	2841	our $GOTOGEN;
2252		2842
2253	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2255		2851
2256	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2854
2259	$self->enter_link;	2855	$self->enter_link;
2260		2856
2261	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2262	my $map = eval {	2879	my $map = eval {
2263	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2881
2265	if ($map) {	2882	if ($map) {
2266	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2885	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2887	}
2271		2888
2272	$map	2889	$map
2273	};	2890	};
2274		2891
…		…
2279		2896
2280	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2283	}	2900	}
		2901
		2902	$done->($self) if $done;
2284	})->prio (1);	2903	})->prio (1);
2285	}	2904	}
2286		2905
2287	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2288		2907
…		…
2308	}	2927	}
2309		2928
2310	sub prepare_random_map {	2929	sub prepare_random_map {
2311	my ($exit) = @_;	2930	my ($exit) = @_;
2312		2931
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2934	# that depends on the exit object
2318		2935
2319	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2938	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2326	}	2945	}
2327		2946
2328	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2329		2948
2330	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2333		2952
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2955	undef $fh;
2337	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2338		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2341	}	2964	}
2342	}	2965	}
2343		2966
2344	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2346		2969
2347	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2348		2971
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2972	$self->enter_link;
2361		2973
2362	# if exit is damned, update players death & WoR home-position
2363	$self->contr->savebed ($slaying, $hp, $sp)
2364	if $exit->flag (FLAG_DAMNED);
2365
2366	(async {	2974	(async {
2367	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2368	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2369	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2370		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2371	1;	3013	1
2372	}) {	3014	}) {
2373	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2374	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2375	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2376	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2377		3019
2378	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2379	$self->leave_link;	3021	$self->leave_link;
2380	}	3022	}
2381	})->prio (1);	3023	})->prio (1);
2382	}	3024	}
2383		3025
…		…
2397		3039
2398	utf8::encode $text;	3040	utf8::encode $text;
2399	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2400	}	3042	}
2401		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
2402	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2403		3070
2404	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2405	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2406	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2407	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2408		3075
2409	=cut	3076	=cut
2410		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
2411	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2412	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2413		3194
2414	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
2415		3216
2416	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2417		3218
2418	if ($self->can_msg) {	3219	# default colour, mask it out
2419	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2420	} else {	3221	if $color & cf::NDI_DEF;
2421	# replace some tags by gcfclient-compatible ones
2422	for ($msg) {
2423	1 while
2424	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2425	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2426	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2427	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2428	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2429	}
2430		3222
2431	if ($color >= 0) {	3223	my $pkt = "msg "
2432	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2433	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2434	} else {	3226	);
2435	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2436	$self->send_packet ("drawinfo $color $msg")
2437	}
2438	}
2439	}
2440	}
2441		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2442	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2443		3232
2444	Sends an ext event to the client.	3233	Sends an ext event to the client.
2445		3234
2446	=cut	3235	=cut
2447		3236
2448	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2449	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2450		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2451	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2452	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2453	}	3260	}
2454		3261
2455	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2456		3263
2457	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2512	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2513		3320
2514	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2515		3322
2516	if (ref $msg) {	3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
2517	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTICMD{$type}) {
2518	if (my %reply = $cb->($ns, $msg)) {	3329	@reply = $cb->($ns, @payload);
2519	$reply{msgid} = $msg->{msgid};
2520	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2521	}
2522	}	3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
2523	} else {	3335	} else {
2524	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2525	}	3337	}
2526		3338
2527	cf::override;	3339	cf::override;
2528	},	3340	},
2529	);	3341	);
…		…
2549		3361
2550	$coro	3362	$coro
2551	}	3363	}
2552		3364
2553	cf::client->attach (	3365	cf::client->attach (
2554	on_destroy => sub {	3366	on_client_destroy => sub {
2555	my ($ns) = @_;	3367	my ($ns) = @_;
2556		3368
2557	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2558	},	3370	},
2559	);	3371	);
…		…
2574	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2575	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2576		3388
2577	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2578		3390
2579	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2580		3396
2581	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2582		3398
2583	=pod	3399	=pod
2584		3400
2585	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2586		3402
2587	cf::object	3403	cf::object
2588	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2589	insert remove	3405	insert remove name archname title slaying race decrease split
		3406	value
2590		3407
2591	cf::object::player	3408	cf::object::player
2592	player	3409	player
2593		3410
2594	cf::player	3411	cf::player
…		…
2599		3416
2600	=cut	3417	=cut
2601		3418
2602	for (	3419	for (
2603	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2604	insert remove)],	3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2605	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2606	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2607	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2608	) {	3426	) {
2609	no strict 'refs';
2610	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2611	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2612	for @funs;	3429	for @funs;
2613	}	3430	}
2614		3431
…		…
2629		3446
2630	my $qcode = $code;	3447	my $qcode = $code;
2631	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2632	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2633		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2634	local $_;	3454	local $_;
2635	local @safe::cf::_safe_eval_args = values %vars;
2636		3455
2637	my $eval =	3456	my $eval =
2638	"do {\n"	3457	"do {\n"
2639	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2640	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2641	. $code	3460	. $code
2642	. "\n}"	3461	. "\n}"
2643	;	3462	;
2644		3463
		3464	if ($CFG{safe_eval}) {
2645	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2646	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2647	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2648		3473
2649	if ($@) {	3474	if ($@) {
2650	warn "$@";	3475	warn "$@",
2651	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2652	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2653	}	3478	}
2654		3479
2655	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2656	}	3481	}
2657		3482
…		…
2671	=cut	3496	=cut
2672		3497
2673	sub register_script_function {	3498	sub register_script_function {
2674	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2675		3500
2676	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2677	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2678	}	3503	}
2679		3504
2680	=back	3505	=back
2681		3506
2682	=cut	3507	=cut
2683		3508
2684	#############################################################################	3509	#############################################################################
2685	# the server's init and main functions	3510	# the server's init and main functions
2686		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2687	sub load_facedata($) {	3514	sub load_facedata($) {
2688	my ($path) = @_;	3515	my ($path) = @_;
2689		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2690	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2691		3524
2692	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2693	0 < aio_load $path, $facedata
2694	or die "$path: $!";
2695
2696	$facedata = Coro::Storable::thaw $facedata;
2697		3526
2698	$facedata->{version} == 2	3527	$facedata->{version} == 2
2699	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2700		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (cf::face::mangle_chksum Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2701	{	3539	{
2702	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2703		3541
2704	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2705	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2706	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2707	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2708	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2709	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
		3552
		3553	cf::cede_to_tick;
2710	}	3554	}
2711		3555
2712	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2713	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2714	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2715	or next;	3560	or next;
		3561
2716	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
2717	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2718	} else {	3565	} else {
2719	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2720	}	3567	}
2721	Coro::cede;	3568
		3569	cf::cede_to_tick;
2722	}	3570	}
2723	}	3571	}
2724		3572
2725	{	3573	{
2726	my $anims = $facedata->{animinfo};	3574	my $anims = $facedata->{animinfo};
2727		3575
2728	while (my ($anim, $info) = each %$anims) {	3576	while (my ($anim, $info) = each %$anims) {
2729	cf::anim::set $anim, $info->{frames}, $info->{facings};	3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
2730	Coro::cede;	3578	cf::cede_to_tick;
2731	}	3579	}
2732		3580
2733	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2734	}	3582	}
2735		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
2736	1	3606	1
2737	}	3607	}
2738		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2739	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2740	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2741	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
2742	}	3639	}
2743		3640
2744	sub reload_facedata {	3641	sub reload_facedata {
2745	load_facedata "$DATADIR/facedata"	3642	load_facedata "$DATADIR/facedata"
2746	or die "unable to load facedata\n";	3643	or die "unable to load facedata\n";
2747	}	3644	}
2748		3645
2749	sub reload_archetypes {	3646	sub reload_archetypes {
2750	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
2751	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
2752	#d# NEED to laod twice to resolve forward references
2753	# this really needs to be done in an extra post-pass
2754	# (which needs to be synchronous, so solve it differently)
2755	load_resource_file "$DATADIR/archetypes"
2756	or die "unable to load archetypes\n";
2757	}	3649	}
2758		3650
2759	sub reload_treasures {	3651	sub reload_treasures {
2760	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2761	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2762	}	3654	}
2763		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2764	sub reload_resources {	3676	sub reload_resources {
2765	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2766		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2767	reload_regions;	3684	reload_regions;
2768	reload_facedata;
2769	#reload_archetypes;#d#
2770	reload_archetypes;
2771	reload_treasures;	3685	reload_treasures;
2772		3686
2773	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2774	}	3688	}
2775		3689
2776	sub init {	3690	sub reload_config {
2777	reload_resources;	3691	trace "reloading config file...\n";
2778	}
2779		3692
2780	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2781	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2782	or return;	3695	*CFG = decode_yaml $config;
2783		3696
2784	local $/;
2785	*CFG = YAML::Syck::Load <$fh>;
2786
2787	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2788		3698
2789	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2790	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2791		3701
2792	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2796	};	3706	};
2797	warn $@ if $@;	3707	warn $@ if $@;
2798	}	3708	}
2799	}	3709	}
2800		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2801	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2802	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2803	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2804	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2805	(async {	3752	(async {
2806	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2807	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2808	};	3756	};
2809		3757
2810	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2811	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2812	load_extensions;	3781	load_extensions;
2813		3782
2814	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2815	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2816	}	3800	}
2817		3801
2818	#############################################################################	3802	#############################################################################
2819	# initialisation and cleanup	3803	# initialisation and cleanup
2820		3804
2821	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2822	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2823	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2824	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2825	reentrant => 0,
2826	data => WF_AUTOCANCEL,
2827	signal => $signal,
2828	prio => 0,
2829	cb => sub {
2830	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2831	},
2832	);	3811	};
2833	}	3812	}
2834	}	3813	}
2835		3814
2836	sub write_runtime {	3815	sub write_runtime_sync {
2837	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
2838		3817
2839	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
2840	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
2841		3820
2842	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2843		3822
2844	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
2845		3824
2846	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2847	or return;	3826	or return;
2848		3827
2849	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
2850	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
2851	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
2861	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
2862		3841
2863	close $fh	3842	close $fh
2864	or return;	3843	or return;
2865		3844
2866	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2867	and return;	3846	and return;
2868		3847
2869	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2870		3849
2871	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2872	}	3901	}
2873		3902
2874	sub emergency_save() {	3903	sub emergency_save() {
2875	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2876		3905
2877	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2878		3912
2879	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2880	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2881	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2882	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2883	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2884	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2885	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2886	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2887	$pl->save;	3924	$pl->save;
2888	}	3925	}
2889	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2890		3927
2891	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2892	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2893	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2894	$map->valid or next;	3933	$map->valid or next;
2895	$map->save;	3934	$map->save;
2896	}	3935	}
2897	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2898		3937
2899	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2900	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2901	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2902	};	3966	};
2903		3967
2904	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2905	}	3969	}
2906		3970
2907	sub post_cleanup {	3971	sub post_cleanup {
2908	my ($make_core) = @_;	3972	my ($make_core) = @_;
2909		3973
		3974	IO::AIO::flush;
		3975
2910	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2911	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
2912	}	4006	}
2913		4007
2914	sub do_reload_perl() {	4008	sub do_reload_perl() {
2915	# can/must only be called in main	4009	# can/must only be called in main
2916	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2917	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2918	return;	4012	return;
2919	}	4013	}
2920		4014
2921	warn "reloading...";	4015	return if $RELOAD++;
2922		4016
2923	warn "entering sync_job";	4017	my $t1 = AE::time;
2924		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2925	cf::sync_job {	4025	cf::sync_job {
2926	cf::write_runtime; # external watchdog should not bark
2927	cf::emergency_save;	4026	#cf::emergency_save;
2928	cf::write_runtime; # external watchdog should not bark
2929		4027
2930	warn "syncing database to disk";
2931	BDB::db_env_txn_checkpoint $DB_ENV;
2932
2933	# if anything goes wrong in here, we should simply crash as we already saved
2934
2935	warn "cancelling all WF_AUTOCANCEL watchers";
2936	for (Event::all_watchers) {
2937	$_->cancel if $_->data & WF_AUTOCANCEL;
2938	}
2939
2940	warn "flushing outstanding aio requests";
2941	for (;;) {
2942	BDB::flush;
2943	IO::AIO::flush;
2944	Coro::cede;
2945	last unless IO::AIO::nreqs || BDB::nreqs;
2946	warn "iterate...";
2947	}
2948
2949	++$RELOAD;
2950
2951	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2952	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2953	%EXT_CORO = ();	4030	%EXT_CORO = ();
2954		4031
2955	warn "removing commands";	4032	trace "perl_reload: removing commands";
2956	%COMMAND = ();	4033	%COMMAND = ();
2957		4034
2958	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
2959	%EXTCMD = ();	4036	%EXTCMD = ();
2960	%EXTICMD = ();	4037	%EXTICMD = ();
2961		4038
2962	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2963	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2964	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2965		4042
2966	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2967	eval {	4044	eval {
2968	$cb->($pkg);	4045	$cb->($pkg);
2969	1	4046	1
2970	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2971	}	4052	}
2972		4053
2973	warn "... nuking $pkg";
2974	Symbol::delete_package $pkg;
2975	}
2976
2977	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2978	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2979	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2980		4057
2981	warn "... unloading $k";	4058	trace "... unloading $k";
2982	delete $INC{$k};	4059	delete $INC{$k};
2983		4060
2984	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
2985	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
2986		4063
2987	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
2988	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
2989	}	4069	}
2990		4070
2991	Symbol::delete_package $k;
2992	}
2993
2994	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
2995	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
2996	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2997		4074
2998	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
2999	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3000	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3001		4078
3002	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3003	# and global variables created in xs	4080	# and global variables created in xs
3004	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3005		4082
3006	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3007		4084
3008	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3009	require cf;	4086	require cf;
3010	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3011		4088
3012	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3013	cf::cfg_load;	4090	cf::reload_config;
3014		4091
3015	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3016	cf::load_extensions;	4093	cf::load_extensions;
3017		4094
		4095	if ($REATTACH_ON_RELOAD) {
3018	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3019	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3020	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3021	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3022	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3023	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3024		4103
3025	warn "leaving sync_job";	4104	cf::_post_init 1;
3026		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3027	1	4108	1
3028	} or do {	4109	} or do {
3029	warn $@;	4110	error $@;
3030	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3031	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3032	};	4115	}
3033		4116
3034	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3035	};	4119	};
3036		4120
3037	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3038		4122
3039	sub reload_perl() {	4123	sub reload_perl() {
3040	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3041	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3042		4126
3043	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3044	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3045	after => 0,	4129
3046	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3047	cb => sub {
3048	do_reload_perl;	4131	do_reload_perl;
3049	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3050	},	4133	};
3051	);	4134	};
3052	}	4135	}
3053		4136
3054	register_command "reload" => sub {	4137	register_command "reload" => sub {
3055	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3056		4139
3057	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3058	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3059	async { reload_perl };	4144	reload_perl;
		4145	};
3060	}	4146	}
3061	};	4147	};
3062		4148
3063	unshift @INC, $LIBDIR;	4149	#############################################################################
3064		4150
3065	my $bug_warning = 0;	4151	my $bug_warning = 0;
3066		4152
3067	our @WAIT_FOR_TICK;
3068	our @WAIT_FOR_TICK_BEGIN;
3069
3070	sub wait_for_tick {	4153	sub wait_for_tick() {
3071	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3072	return if $Coro::current == $Coro::main;
3073		4155
3074	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3075	push @WAIT_FOR_TICK, $signal;
3076	$signal->wait;
3077	}	4157	}
3078		4158
3079	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3080	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3081	return if $Coro::current == $Coro::main;
3082		4161
3083	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3084	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3085	$signal->wait;	4164	$signal->wait;
3086	}	4165	}
3087		4166
3088	my $min = 1e6;#d#	4167	sub tick {
3089	my $avg = 10;
3090	$TICK_WATCHER = Event->timer (
3091	reentrant => 0,
3092	parked => 1,
3093	prio => 0,
3094	at => $NEXT_TICK || $TICK,
3095	data => WF_AUTOCANCEL,
3096	cb => sub {
3097	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3098	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3099	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3100	return;	4171	return;
3101	}	4172	}
3102		4173
3103	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3104		4175
3105	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3106		4177
3107	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3108	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3109	my $t = Event::time;	4180	Coro::async_pool {
3110	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
3111	or die;	4182	write_runtime_sync
3112		4183	or error "ERROR: unable to write runtime file: $!";
3113	$map->width (50);
3114	$map->height (50);
3115	$map->alloc;
3116	$map->_load_objects ("/tmp/x.map", 1);
3117	my $t = Event::time - $t;
3118
3119	#next unless $t < 0.0013;#d#
3120	if ($t < $min) {
3121	$min = $t;
3122	}
3123	$avg = $avg * 0.99 + $t * 0.01;
3124	}
3125	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3126	exit 0;
3127	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3128	};	4184	};
		4185	}
3129		4186
3130	$RUNTIME += $TICK;
3131	$NEXT_TICK += $TICK;
3132
3133	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3134	$NEXT_RUNTIME_WRITE = $NOW + 10;
3135	Coro::async_pool {
3136	write_runtime
3137	or warn "ERROR: unable to write runtime file: $!";
3138	};
3139	}
3140
3141	# my $AFTER = Event::time;
3142	# warn $AFTER - $NOW;#d#
3143
3144	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3145	$sig->send;	4188	$sig->send;
3146	}	4189	}
3147	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3148	$sig->send;
3149	}
3150		4191
3151	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3152
3153	# if we are delayed by four ticks or more, skip them all
3154	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3155
3156	$TICK_WATCHER->at ($NEXT_TICK);
3157	$TICK_WATCHER->start;
3158
3159	$LOAD = ($NOW - $tick_start) / $TICK;
3160	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3161		4194
3162	_post_tick;	4195	if (0) {
3163		4196	if ($NEXT_TICK) {
3164		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3165	},	4201	}
3166	);	4202	}
3167		4203
3168	{	4204	{
3169	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
3170	$BDB_POLL_WATCHER = Event->io (	4206
3171	reentrant => 0,
3172	fd => BDB::poll_fileno,
3173	poll => 'r',
3174	prio => 0,
3175	data => WF_AUTOCANCEL,
3176	cb => \&BDB::poll_cb,
3177	);
3178	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3179		4208	BDB::max_poll_reqs $TICK * 0.1;
3180	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3181	my $status;
3182	my $current = $Coro::current;
3183	(
3184	sub {
3185	$status = $!;
3186	$current->ready; undef $current;
3187	},
3188	sub {
3189	Coro::schedule while defined $current;
3190	$! = $status;
3191	},
3192	)
3193	};
3194		4210
3195	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3196	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3197		4218
3198	cf::sync_job {	4219	cf::sync_job {
3199	eval {	4220	eval {
3200	BDB::db_env_open	4221	BDB::db_env_open
3201	$DB_ENV,	4222	$DB_ENV,
…		…
3203	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3204	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3205	0666;	4226	0666;
3206		4227
3207	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3208
3209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3210	$DB_ENV->set_lk_detect;
3211	};	4229	};
3212		4230
3213	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3214	};	4232	};
3215	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
3216	}	4244	}
3217		4245
3218	{	4246	{
		4247	# configure IO::AIO
		4248
3219	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3220
3221	undef $Coro::AIO::WATCHER;
3222	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3223	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3224	reentrant => 0,
3225	data => WF_AUTOCANCEL,
3226	fd => IO::AIO::poll_fileno,
3227	poll => 'r',
3228	prio => 6,
3229	cb => \&IO::AIO::poll_cb,
3230	);
3231	}	4252	}
3232		4253
3233	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3234		4256
3235	sub _log_backtrace {	4257	sub _log_backtrace {
3236	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3237		4259
3238	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3239		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3240	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3241	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3242	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3243	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3244	my @bt = fork_call {	4273	my @bt = fork_call {
3245	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3246	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3247	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3248	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3256	}	4285	}
3257		4286
3258	@funcs	4287	@funcs
3259	};	4288	};
3260		4289
3261	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3262	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3263	--$_log_backtrace;	4293	--$_log_backtrace;
3264	};	4294	};
3265	} else {	4295	} else {
3266	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3267	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3268	}	4298	}
3269	}	4299	}
3270		4300
3271	# load additional modules	4301	# load additional modules
3272	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3273		4304
3274	END { cf::emergency_save }	4305	END { cf::emergency_save }
3275		4306
3276	1	4307	1
3277		4308

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