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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.292 by root, Tue Jul 3 00:54:57 2007 UTC vs.
Revision 1.590 by root, Sun Nov 4 02:20:11 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	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	$_
1420	}
1421
1422	sub hintmode {
1423	$_[0]{hintmode} = $_[1] if @_ > 1;
1424	$_[0]{hintmode}
1425	}
1426
1427	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1428		1916
1429	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1430		1918
1431	=cut	1919	=cut
1432		1920
1433	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1434	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1435		1923
1436	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1437	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1438	}	1925	}
1439		1926
1440	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1441		1928
1442	Sends an ext event to the client.	1929	Sends an ext event to the client.
1443		1930
1444	=cut	1931	=cut
1445		1932
1446	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1447	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1448		1935
1449	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1450	}	1937	}
1451		1938
1452	=head3 cf::region	1939	=head3 cf::region
1453		1940
1454	=over 4	1941	=over 4
…		…
1464	=cut	1951	=cut
1465		1952
1466	sub find_by_path($) {	1953	sub find_by_path($) {
1467	my ($path) = @_;	1954	my ($path) = @_;
1468		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1469	my ($match, $specificity);	1958	my ($match, $specificity);
1470		1959
1471	for my $region (list) {	1960	for my $region (list) {
1472	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1473	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1474	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1475	}	1964	}
1476	}	1965	}
1477		1966
…		…
1498	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1499	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1500		1989
1501	sub generate_random_map {	1990	sub generate_random_map {
1502	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1503	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1504	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1505	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1506	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1507	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1508	$rmp->{exit_on_final_map},
1509	$rmp->{xsize}, $rmp->{ysize},
1510	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1511	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1512	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1513	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1514	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1515	(cf::region::find $rmp->{region}), $rmp->{custom}
1516	)
1517	}	1996	}
1518		1997
1519	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1520		1999
1521	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
…		…
1526		2005
1527	sub register {	2006	sub register {
1528	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1529	my $pkg = caller;	2008	my $pkg = caller;
1530		2009
1531	no strict;
1532	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1533		2011
1534	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1535	}	2013	}
1536		2014
1537	# also paths starting with '/'	2015	# also paths starting with '/'
1538	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1539		2017
1540	sub thawer_merge {	2018	sub thawer_merge {
1541	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1542		2020
1543	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1548	}	2026	}
1549		2027
1550	sub normalise {	2028	sub normalise {
1551	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1552		2030
1553	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1554		2032
1555	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1556		2034
1557	# map plan:	2035	# map plan:
1558	#	2036	#
…		…
1573	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1574	$path = "$base/$path";	2052	$path = "$base/$path";
1575	}	2053	}
1576		2054
1577	for ($path) {	2055	for ($path) {
1578	redo if s{//}{/};
1579	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1580	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1581	}	2058	}
1582		2059
1583	$path	2060	$path
…		…
1597	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1598	return $self;	2075	return $self;
1599	}	2076	}
1600	}	2077	}
1601		2078
1602	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1603	()	2080	()
1604	}	2081	}
1605		2082
		2083	# may re-bless or do other evil things
1606	sub init {	2084	sub init {
1607	my ($self) = @_;	2085	my ($self) = @_;
1608		2086
1609	$self	2087	$self
1610	}	2088	}
…		…
1629		2107
1630	# the temporary/swap location	2108	# the temporary/swap location
1631	sub save_path {	2109	sub save_path {
1632	my ($self) = @_;	2110	my ($self) = @_;
1633		2111
1634	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1635	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1636	}	2114	}
1637		2115
1638	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1639	sub uniq_path {	2117	sub uniq_path {
1640	my ($self) = @_;	2118	my ($self) = @_;
1641		2119
1642	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1643	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1644	}
1645
1646	# and all this just because we cannot iterate over
1647	# all maps in C++...
1648	sub change_all_map_light {
1649	my ($change) = @_;
1650
1651	$_->change_map_light ($change)
1652	for grep $_->outdoor, values %cf::MAP;
1653	}	2122	}
1654		2123
1655	sub decay_objects {	2124	sub decay_objects {
1656	my ($self) = @_;	2125	my ($self) = @_;
1657		2126
…		…
1670		2139
1671	sub load_header_from($) {	2140	sub load_header_from($) {
1672	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1673		2142
1674	utf8::encode $path;	2143	utf8::encode $path;
1675	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1676	# or return;
1677
1678	$self->_load_header ($path)
1679	or return;	2145	or return;
1680		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1681	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1682		2154
1683	1	2155	1
1684	}	2156	}
1685		2157
		2158	# used to laod the header of an original map
1686	sub load_header_orig {	2159	sub load_header_orig {
1687	my ($self) = @_;	2160	my ($self) = @_;
1688		2161
1689	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1690	}	2163	}
1691		2164
		2165	# used to laod the header of an instantiated map
1692	sub load_header_temp {	2166	sub load_header_temp {
1693	my ($self) = @_;	2167	my ($self) = @_;
1694		2168
1695	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1696	}	2170	}
1697		2171
		2172	# called after loading the header from an instantiated map
1698	sub prepare_temp {	2173	sub prepare_temp {
1699	my ($self) = @_;	2174	my ($self) = @_;
1700		2175
1701	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1702	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1703	# safety	2178	# safety
1704	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1705	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1706	}	2181	}
1707		2182
		2183	# called after loading the header from an original map
1708	sub prepare_orig {	2184	sub prepare_orig {
1709	my ($self) = @_;	2185	my ($self) = @_;
1710		2186
1711	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1712	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1736		2212
1737	sub find;	2213	sub find;
1738	sub find {	2214	sub find {
1739	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1740		2216
		2217	cf::cede_to_tick;
		2218
1741	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1742		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1743	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1744		2223
1745	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1746	my $guard = cf::lock_acquire "map_find:$path";
1747	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1748	or return;	2226	or return;
1749		2227
1750	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1751		2229
…		…
1753	or return;	2231	or return;
1754		2232
1755	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1756	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1757	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1758	$map->reset;	2238	$map->reset;
1759	undef $guard;
1760	return find $path;	2239	return find $path;
1761	}	2240	}
1762		2241
1763	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1764	}	2243	}
1765	}	2244	}
1766		2245
1767	sub pre_load { }	2246	sub pre_load { }
1768	sub post_load { }	2247	#sub post_load { } # XS
1769		2248
1770	sub load {	2249	sub load {
1771	my ($self) = @_;	2250	my ($self) = @_;
1772		2251
1773	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1774		2253
1775	my $path = $self->{path};	2254	my $path = $self->{path};
1776		2255
1777	{	2256	{
1778	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1779		2258
		2259	return unless $self->valid;
1780	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1781
1782	$self->in_memory (cf::MAP_LOADING);
1783		2261
1784	$self->alloc;	2262	$self->alloc;
1785		2263
1786	$self->pre_load;	2264	$self->pre_load;
1787	Coro::cede;	2265	cf::cede_to_tick;
1788		2266
1789	$self->_load_objects ($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)
1790	or return;	2271	or return;
1791		2272
1792	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1793	if delete $self->{load_original};	2274	if delete $self->{load_original};
1794		2275
1795	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1796	utf8::encode $uniq;	2277	utf8::encode $uniq;
1797	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1798	$self->clear_unique_items;	2280	$self->clear_unique_items;
1799	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1800	}	2285	}
1801	}
1802		2286
1803	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;
1804	# now do the right thing for maps	2296	# now do the right thing for maps
1805	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1806	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1807	unless $self->difficulty;	2299	unless $self->difficulty;
1808	Coro::cede;	2300	cf::cede_to_tick;
1809		2301
1810	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1811	$self->decay_objects;	2303	$self->decay_objects;
1812	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1813	$self->update_buttons;	2305	$self->update_buttons;
1814	Coro::cede;	2306	cf::cede_to_tick;
1815	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1816	Coro::cede;
1817	$self->activate;
1818	}	2308	}
1819		2309
1820	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1821	}	2312	}
1822		2313
1823	$self->post_load;	2314	$self->post_load;
1824	}
1825		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1826	sub customise_for {	2322	sub customise_for {
1827	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1828		2324
1829	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1830	if $self->per_player;	2326	if $self->per_player;
…		…
1833	# if $self->per_party;	2329	# if $self->per_party;
1834		2330
1835	$self	2331	$self
1836	}	2332	}
1837		2333
1838	# find and load all maps in the 3x3 area around a map
1839	sub load_diag {
1840	my ($map) = @_;
1841
1842	my @diag; # diagonal neighbours
1843
1844	for (0 .. 3) {
1845	my $neigh = $map->tile_path ($_)
1846	or next;
1847	$neigh = find $neigh, $map
1848	or next;
1849	$neigh->load;
1850
1851	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1852	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1853	}
1854
1855	for (@diag) {
1856	my $neigh = find @$_
1857	or next;
1858	$neigh->load;
1859	}
1860	}
1861
1862	sub find_sync {	2334	sub find_sync {
1863	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1864		2336
1865	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, $origin
1866	}	2342	}
1867		2343
1868	sub do_load_sync {	2344	sub do_load_sync {
1869	my ($map) = @_;	2345	my ($map) = @_;
1870		2346
1871	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;
1872	}	2352	}
1873		2353
1874	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1875	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1876		2356
1877	sub find_async {	2357	sub find_async {
1878	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1879		2359
1880	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1881		2361
1882	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1883	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1884	}	2364	}
1885		2365
1886	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1887	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1888	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1889	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1890	my $map = find $path	2373	if (my $map = find $k) {
1891	or next;
1892	$map->load;	2374	$map->load if $v;
		2375	}
1893		2376
1894	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1895	}	2378	}
1896	}	2379	}
1897	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1898	};	2381	};
1899	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1900		2383
1901	()	2384	()
1902	}	2385	}
1903		2386
		2387	# common code, used by both ->save and ->swapout
1904	sub save {	2388	sub _save {
1905	my ($self) = @_;	2389	my ($self) = @_;
1906
1907	my $lock = cf::lock_acquire "map_data:" . $self->path;
1908		2390
1909	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1910		2392
1911	return unless $self->dirty;	2393	return unless $self->dirty;
1912		2394
…		…
1918	return if $self->{deny_save};	2400	return if $self->{deny_save};
1919		2401
1920	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1921		2403
1922	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1923	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1924	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1925		2410
1926	if ($uniq) {	2411	if ($uniq) {
1927	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1928	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1929	} else {	2414	} else {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1931	}	2416	}
1932	}	2417	}
1933		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1934	sub swap_out {	2427	sub swap_out {
1935	my ($self) = @_;	2428	my ($self) = @_;
1936		2429
1937	# save first because save cedes
1938	$self->save;
1939
1940	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1941		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1942	return if $self->players;	2434	return if $self->players;
1943	return if $self->in_memory != cf::MAP_IN_MEMORY;
1944	return if $self->{deny_save};
1945		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
1946	$self->clear;	2445	$self->clear;
1947	$self->in_memory (cf::MAP_SWAPPED);
1948	}	2446	}
1949		2447
1950	sub reset_at {	2448	sub reset_at {
1951	my ($self) = @_;	2449	my ($self) = @_;
1952		2450
…		…
1970		2468
1971	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1972		2470
1973	return if $self->players;	2471	return if $self->players;
1974		2472
1975	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1976		2474
1977	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1978		2476
1979	# need to save uniques path	2477	# need to save uniques path
1980	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1981	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1982		2480
…		…
1984	if $uniq;	2482	if $uniq;
1985	}	2483	}
1986		2484
1987	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
1988		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
1989	$self->clear;	2489	$self->clear;
1990
1991	$_->clear_links_to ($self) for values %cf::MAP;
1992		2490
1993	$self->unlink_save;	2491	$self->unlink_save;
1994	$self->destroy;	2492	$self->destroy;
1995	}	2493	}
1996		2494
1997	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
1998		2496
1999	sub nuke {	2497	sub nuke {
2000	my ($self) = @_;	2498	my ($self) = @_;
2001		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2002	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2003		2504
2004	$self->unlink_save;	2505	$self->unlink_save;
2005		2506
2006	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2007	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2008	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2009	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2010	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2011		2512
2012	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2013		2515
2014	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2015	}	2517	}
2016		2518
2017	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2059		2561
2060	sub unique_maps() {	2562	sub unique_maps() {
2061	[	2563	[
2062	map {	2564	map {
2063	utf8::decode $_;	2565	utf8::decode $_;
2064	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2065	? normalise $_	2569	: normalise $_
2066	: ()
2067	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2068	]	2571	]
2069	}	2572	}
2070		2573
2071	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	}
2072		2605
2073	=back	2606	=back
2074		2607
2075	=head3 cf::object	2608	=head3 cf::object
2076		2609
…		…
2080		2613
2081	=over 4	2614	=over 4
2082		2615
2083	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2084		2617
2085	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.
2086		2620
2087	=cut	2621	=cut
2088		2622
2089	sub inv_recursive_;	2623	sub inv_recursive_;
2090	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2093		2627
2094	sub inv_recursive {	2628	sub inv_recursive {
2095	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2096	}	2630	}
2097		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
2098	package cf;	2660	package cf;
2099		2661
2100	=back	2662	=back
2101		2663
2102	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2108	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>
2109	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
2110	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2111		2673
2112	=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	};
2113		2689
2114	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2115	# with dialog boxes.	2691	# with dialog boxes.
2116	#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
2117	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2124		2700
2125	} else {	2701	} else {
2126	my $pl = $self->contr;	2702	my $pl = $self->contr;
2127		2703
2128	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2129	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2130	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2131	$diag->{id},
2132	msgtype => "reply",
2133	msg => $diag->{pl}->expand_cfpod ($msg),
2134	add_topics => []
2135	);
2136		2707
2137	} else {	2708	} else {
2138	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2139	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2140	}	2711	}
2141	}	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 (@_);
2142	}	2723	}
2143		2724
2144	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2145		2726
2146	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2159		2740
2160	=item $player_object->enter_link	2741	=item $player_object->enter_link
2161		2742
2162	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}>).
2163		2744
2164	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.
2165	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.
2166		2749
2167	Will never block.	2750	Will never block.
2168		2751
2169	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2170		2753
…		…
2190	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2191	my ($self) = @_;	2774	my ($self) = @_;
2192		2775
2193	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2194		2777
		2778	++$self->{_link_recursion};
		2779
2195	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2196		2781
2197	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2198	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2199		2784
2200	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2201	}	2786	}
2202		2787
2203	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2204	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2205		2790
…		…
2222	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2223	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2224		2809
2225	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2226	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2227	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2228		2813
2229	$map->load;	2814	$map->load;
2230	$map->load_diag;
2231		2815
2232	return unless $self->contr->active;	2816	return unless $self->contr->active;
2233	$self->activate_recursive;
2234		2817
2235	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2236	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2237	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2238		2825
		2826	}
		2827
2239	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2240		2829
2241	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
2242	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2243	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
2244	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 >>.
2245		2838
2246	=cut	2839	=cut
2247		2840
2248	our $GOTOGEN;	2841	our $GOTOGEN;
2249		2842
2250	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2251	my ($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	}
2252		2851
2253	# 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
2254	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2255		2854
2256	$self->enter_link;	2855	$self->enter_link;
2257		2856
2258	(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
2259	my $map = eval {	2879	my $map = eval {
2260	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2261		2881
2262	if ($map) {	2882	if ($map) {
2263	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2264	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2265	} else {	2885	} else {
2266	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2267	}	2887	}
2268		2888
2269	$map	2889	$map
2270	};	2890	};
2271		2891
…		…
2276		2896
2277	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2278	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2279	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2280	}	2900	}
		2901
		2902	$done->($self) if $done;
2281	})->prio (1);	2903	})->prio (1);
2282	}	2904	}
2283		2905
2284	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2285		2907
…		…
2305	}	2927	}
2306		2928
2307	sub prepare_random_map {	2929	sub prepare_random_map {
2308	my ($exit) = @_;	2930	my ($exit) = @_;
2309		2931
2310	my $guard = cf::lock_acquire "exit_prepare:$exit";
2311
2312	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2313	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2314	# that depends on the exit object	2934	# that depends on the exit object
2315		2935
2316	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2318	if ($exit->map) {	2938	if ($exit->map) {
2319	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2320	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2321	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2322	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2323	}	2945	}
2324		2946
2325	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2326		2948
2327	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2328	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2329	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2330		2952
2331	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2332	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2333	undef $fh;	2955	undef $fh;
2334	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2335		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2336	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2337	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2338	}	2964	}
2339	}	2965	}
2340		2966
2341	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2342	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2343		2969
2344	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2345		2971
2346	if ($exit->slaying eq "/!") {
2347	#TODO: this should de-fi-ni-te-ly not be a sync-job
2348	# the problem is that $exit might not survive long enough
2349	# so it needs to be done right now, right here
2350	cf::sync_job { prepare_random_map $exit };
2351	}
2352
2353	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2354	my $hp = $exit->stats->hp;
2355	my $sp = $exit->stats->sp;
2356
2357	$self->enter_link;	2972	$self->enter_link;
2358		2973
2359	(async {	2974	(async {
2360	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2361	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
2362	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2363		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
2364	1;	3013	1
2365	}) {	3014	}) {
2366	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2367	. "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. "
2368	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2369	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2370		3019
2371	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2372	$self->leave_link;	3021	$self->leave_link;
2373	}	3022	}
2374	})->prio (1);	3023	})->prio (1);
2375	}	3024	}
2376		3025
…		…
2390		3039
2391	utf8::encode $text;	3040	utf8::encode $text;
2392	$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);
2393	}	3042	}
2394		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
2395	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2396		3070
2397	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2398	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2399	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2400	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2401		3075
2402	=cut	3076	=cut
2403		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" => $CHAT_CHANNEL,
		3190	);
		3191
2404	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2405	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2406		3194
2407	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2408		3197
2409	if ($self->can_msg) {	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2410	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2411	} else {
2412	# replace some tags by gcfclient-compatible ones
2413	for ($msg) {
2414	1 while
2415	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2416	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2417	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2418	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2419	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2420	}
2421		3199
2422	if ($color >= 0) {	3200	# check predefined channels, for the benefit of C
2423	if (0 && $msg =~ /\[/) {	3201	if ($CHANNEL{$channel}) {
2424	$self->send_packet ("drawextinfo $color 4 0 $msg")	3202	$channel = $CHANNEL{$channel};
2425	} else {	3203
2426	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3204	$self->ext_msg (channel_info => $channel);
2427	$self->send_packet ("drawinfo $color $msg")	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);
2428	}	3212	}
2429	}
2430	}
2431	}
2432		3213
		3214	$channel = $channel->{id};
		3215	}
		3216
		3217	return unless @extra || length $msg;
		3218
		3219	# default colour, mask it out
		3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3221	if $color & cf::NDI_DEF;
		3222
		3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
		3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3226	);
		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2433	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2434		3232
2435	Sends an ext event to the client.	3233	Sends an ext event to the client.
2436		3234
2437	=cut	3235	=cut
2438		3236
2439	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2440	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2441		3239
2442	$msg{msgtype} = "event_$type";
2443	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2444	}	3253	}
2445		3254
2446	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2447		3256
2448	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
2503	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
2504		3313
2505	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2506		3315
2507	if (ref $msg) {	3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
2508	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3321	if (my $cb = $EXTICMD{$type}) {
2509	if (my %reply = $cb->($ns, $msg)) {	3322	@reply = $cb->($ns, @payload);
2510	$reply{msgid} = $msg->{msgid};
2511	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2512	}
2513	}	3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
2514	} else {	3328	} else {
2515	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2516	}	3330	}
2517		3331
2518	cf::override;	3332	cf::override;
2519	},	3333	},
2520	);	3334	);
…		…
2540		3354
2541	$coro	3355	$coro
2542	}	3356	}
2543		3357
2544	cf::client->attach (	3358	cf::client->attach (
2545	on_destroy => sub {	3359	on_client_destroy => sub {
2546	my ($ns) = @_;	3360	my ($ns) = @_;
2547		3361
2548	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2549	},	3363	},
2550	);	3364	);
…		…
2565	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2566	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2567		3381
2568	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2569		3383
2570	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2571		3389
2572	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2573		3391
2574	=pod	3392	=pod
2575		3393
2576	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2577		3395
2578	cf::object contr pay_amount pay_player map	3396	cf::object
		3397	contr pay_amount pay_player map x y force_find force_add destroy
		3398	insert remove name archname title slaying race decrease split
		3399	value
		3400
2579	cf::object::player player	3401	cf::object::player
2580	cf::player peaceful	3402	player
2581	cf::map trigger	3403
		3404	cf::player
		3405	peaceful
		3406
		3407	cf::map
		3408	trigger
2582		3409
2583	=cut	3410	=cut
2584		3411
2585	for (	3412	for (
2586	["cf::object" => qw(contr pay_amount pay_player map)],	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2587	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2588	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2589	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2590	) {	3419	) {
2591	no strict 'refs';
2592	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2593	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2594	for @funs;	3422	for @funs;
2595	}	3423	}
2596		3424
…		…
2611		3439
2612	my $qcode = $code;	3440	my $qcode = $code;
2613	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2614	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2615		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2616	local $_;	3447	local $_;
2617	local @safe::cf::_safe_eval_args = values %vars;
2618		3448
2619	my $eval =	3449	my $eval =
2620	"do {\n"	3450	"do {\n"
2621	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2622	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2623	. $code	3453	. $code
2624	. "\n}"	3454	. "\n}"
2625	;	3455	;
2626		3456
		3457	if ($CFG{safe_eval}) {
2627	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2628	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2629	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2630		3466
2631	if ($@) {	3467	if ($@) {
2632	warn "$@";	3468	warn "$@",
2633	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2634	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2635	}	3471	}
2636		3472
2637	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2638	}	3474	}
2639		3475
…		…
2653	=cut	3489	=cut
2654		3490
2655	sub register_script_function {	3491	sub register_script_function {
2656	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2657		3493
2658	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2659	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2660	}	3496	}
2661		3497
2662	=back	3498	=back
2663		3499
2664	=cut	3500	=cut
2665		3501
2666	#############################################################################	3502	#############################################################################
2667	# the server's init and main functions	3503	# the server's init and main functions
2668		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2669	sub load_facedata($) {	3529	sub load_facedata($) {
2670	my ($path) = @_;	3530	my ($path) = @_;
2671		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2672	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2673		3539
2674	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2675	0 < aio_load $path, $facedata
2676	or die "$path: $!";
2677
2678	$facedata = Coro::Storable::thaw $facedata;
2679		3541
2680	$facedata->{version} == 2	3542	$facedata->{version} == 2
2681	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2682		3544
		3545	cf::cede_to_tick;
		3546
2683	{	3547	{
2684	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2685		3549
2686	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2687	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2688	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2689	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2690	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2691	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2692	}	3562	}
2693		3563
2694	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2695	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2696	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2697	or next;	3568	or next;
		3569
2698	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2699	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2700	} else {	3573	} else {
2701	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2702	}	3575	}
2703	Coro::cede;	3576
		3577	cf::cede_to_tick;
2704	}	3578	}
2705	}	3579	}
2706		3580
2707	{	3581	{
2708	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2709		3583
2710	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2711	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2712	Coro::cede;	3586	cf::cede_to_tick;
2713	}	3587	}
2714		3588
2715	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2716	}	3590	}
2717		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2718	1	3614	1
2719	}	3615	}
2720		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2721	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2722	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2723	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2724	}	3660	}
2725		3661
2726	sub reload_facedata {	3662	sub reload_facedata {
2727	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2728	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2729	}	3665	}
2730		3666
2731	sub reload_archetypes {	3667	sub reload_archetypes {
2732	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2733	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
2734	#d# NEED to laod twice to resolve forward references	3670
2735	# this really needs to be done in an extra post-pass	3671	add_face "res/skill_info" => FT_RSRC,
2736	# (which needs to be synchronous, so solve it differently)	3672	JSON::XS->new->utf8->canonical->encode (
2737	load_resource_file "$DATADIR/archetypes"	3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2738	or die "unable to load archetypes\n";	3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2739	}	3679	}
2740		3680
2741	sub reload_treasures {	3681	sub reload_treasures {
2742	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2743	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2744	}	3684	}
2745		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
2746	sub reload_resources {	3706	sub reload_resources {
2747	warn "reloading resource files...\n";	3707	trace "reloading resource files...\n";
2748		3708
		3709	reload_materials;
		3710	reload_facedata;
		3711	reload_exp_table;
		3712	reload_sound;
		3713	reload_archetypes;
2749	reload_regions;	3714	reload_regions;
2750	reload_facedata;
2751	#reload_archetypes;#d#
2752	reload_archetypes;
2753	reload_treasures;	3715	reload_treasures;
2754		3716
2755	warn "finished reloading resource files\n";	3717	trace "finished reloading resource files\n";
2756	}	3718	}
2757		3719
2758	sub init {	3720	sub reload_config {
2759	reload_resources;	3721	trace "reloading config file...\n";
2760	}
2761		3722
2762	sub cfg_load {	3723	my $config = load_file "$CONFDIR/config";
2763	open my $fh, "<:utf8", "$CONFDIR/config"	3724	utf8::decode $config;
2764	or return;	3725	*CFG = decode_yaml $config;
2765		3726
2766	local $/;
2767	*CFG = YAML::Syck::Load <$fh>;
2768
2769	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3727	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2770		3728
2771	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3729	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2772	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3730	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2773		3731
2774	if (exists $CFG{mlockall}) {	3732	if (exists $CFG{mlockall}) {
…		…
2778	};	3736	};
2779	warn $@ if $@;	3737	warn $@ if $@;
2780	}	3738	}
2781	}	3739	}
2782		3740
		3741	sub pidfile() {
		3742	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3743	or die "$PIDFILE: $!";
		3744	flock $fh, &Fcntl::LOCK_EX
		3745	or die "$PIDFILE: flock: $!";
		3746	$fh
		3747	}
		3748
		3749	# make sure only one server instance is running at any one time
		3750	sub atomic {
		3751	my $fh = pidfile;
		3752
		3753	my $pid = <$fh>;
		3754	kill 9, $pid if $pid > 0;
		3755
		3756	seek $fh, 0, 0;
		3757	print $fh $$;
		3758	}
		3759
		3760	sub main_loop {
		3761	trace "EV::loop starting\n";
		3762	if (1) {
		3763	EV::loop;
		3764	}
		3765	trace "EV::loop returned\n";
		3766	goto &main_loop unless $REALLY_UNLOOP;
		3767	}
		3768
2783	sub main {	3769	sub main {
		3770	cf::init_globals; # initialise logging
		3771
		3772	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3773	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3774	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3775	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3776
		3777	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3778
2784	# we must not ever block the main coroutine	3779	# we must not ever block the main coroutine
2785	local $Coro::idle = sub {	3780	$Coro::idle = sub {
2786	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3781	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2787	(async {	3782	(async {
2788	Event::one_event;	3783	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3784	EV::loop EV::LOOP_ONESHOT;
2789	})->prio (Coro::PRIO_MAX);	3785	})->prio (Coro::PRIO_MAX);
2790	};	3786	};
2791		3787
2792	cfg_load;	3788	evthread_start IO::AIO::poll_fileno;
		3789
		3790	cf::sync_job {
		3791	cf::incloader::init ();
		3792
		3793	cf::init_anim;
		3794	cf::init_attackmess;
		3795	cf::init_dynamic;
		3796
		3797	cf::load_settings;
		3798
		3799	reload_resources;
		3800	reload_config;
2793	db_init;	3801	db_init;
		3802
		3803	cf::init_uuid;
		3804	cf::init_signals;
		3805	cf::init_skills;
		3806
		3807	cf::init_beforeplay;
		3808
		3809	atomic;
		3810
2794	load_extensions;	3811	load_extensions;
2795		3812
2796	$TICK_WATCHER->start;	3813	utime time, time, $RUNTIMEFILE;
2797	Event::loop;	3814
		3815	# no (long-running) fork's whatsoever before this point(!)
		3816	use POSIX ();
		3817	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3818
		3819	cf::_post_init 0;
		3820	};
		3821
		3822	cf::object::thawer::errors_are_fatal 0;
		3823	info "parse errors in files are no longer fatal from this point on.\n";
		3824
		3825	AE::postpone {
		3826	undef &main; # free gobs of memory :)
		3827	};
		3828
		3829	goto &main_loop;
2798	}	3830	}
2799		3831
2800	#############################################################################	3832	#############################################################################
2801	# initialisation and cleanup	3833	# initialisation and cleanup
2802		3834
2803	# install some emergency cleanup handlers	3835	# install some emergency cleanup handlers
2804	BEGIN {	3836	BEGIN {
		3837	our %SIGWATCHER = ();
2805	for my $signal (qw(INT HUP TERM)) {	3838	for my $signal (qw(INT HUP TERM)) {
2806	Event->signal (	3839	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2807	reentrant => 0,
2808	data => WF_AUTOCANCEL,
2809	signal => $signal,
2810	prio => 0,
2811	cb => sub {
2812	cf::cleanup "SIG$signal";	3840	cf::cleanup "SIG$signal";
2813	},
2814	);	3841	};
2815	}	3842	}
2816	}	3843	}
2817		3844
2818	sub write_runtime {	3845	sub write_runtime_sync {
2819	my $runtime = "$LOCALDIR/runtime";	3846	my $t0 = AE::time;
2820		3847
2821	# first touch the runtime file to show we are still running:	3848	# first touch the runtime file to show we are still running:
2822	# the fsync below can take a very very long time.	3849	# the fsync below can take a very very long time.
2823		3850
2824	IO::AIO::aio_utime $runtime, undef, undef;	3851	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2825		3852
2826	my $guard = cf::lock_acquire "write_runtime";	3853	my $guard = cf::lock_acquire "write_runtime";
2827		3854
2828	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3855	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2829	or return;	3856	or return;
2830		3857
2831	my $value = $cf::RUNTIME + 90 + 10;	3858	my $value = $cf::RUNTIME + 90 + 10;
2832	# 10 is the runtime save interval, for a monotonic clock	3859	# 10 is the runtime save interval, for a monotonic clock
2833	# 60 allows for the watchdog to kill the server.	3860	# 60 allows for the watchdog to kill the server.
…		…
2843	aio_utime $fh, undef, undef;	3870	aio_utime $fh, undef, undef;
2844		3871
2845	close $fh	3872	close $fh
2846	or return;	3873	or return;
2847		3874
2848	aio_rename "$runtime~", $runtime	3875	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2849	and return;	3876	and return;
2850		3877
2851	warn "runtime file written.\n";	3878	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2852		3879
2853	1	3880	1
		3881	}
		3882
		3883	our $uuid_lock;
		3884	our $uuid_skip;
		3885
		3886	sub write_uuid_sync($) {
		3887	$uuid_skip ||= $_[0];
		3888
		3889	return if $uuid_lock;
		3890	local $uuid_lock = 1;
		3891
		3892	my $uuid = "$LOCALDIR/uuid";
		3893
		3894	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3895	or return;
		3896
		3897	my $value = uuid_seq uuid_cur;
		3898
		3899	unless ($value) {
		3900	info "cowardly refusing to write zero uuid value!\n";
		3901	return;
		3902	}
		3903
		3904	my $value = uuid_str $value + $uuid_skip;
		3905	$uuid_skip = 0;
		3906
		3907	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3908	and return;
		3909
		3910	# always fsync - this file is important
		3911	aio_fsync $fh
		3912	and return;
		3913
		3914	close $fh
		3915	or return;
		3916
		3917	aio_rename "$uuid~", $uuid
		3918	and return;
		3919
		3920	trace "uuid file written ($value).\n";
		3921
		3922	1
		3923
		3924	}
		3925
		3926	sub write_uuid($$) {
		3927	my ($skip, $sync) = @_;
		3928
		3929	$sync ? write_uuid_sync $skip
		3930	: async { write_uuid_sync $skip };
2854	}	3931	}
2855		3932
2856	sub emergency_save() {	3933	sub emergency_save() {
2857	my $freeze_guard = cf::freeze_mainloop;	3934	my $freeze_guard = cf::freeze_mainloop;
2858		3935
2859	warn "enter emergency perl save\n";	3936	info "emergency_perl_save: enter\n";
		3937
		3938	# this is a trade-off: we want to be very quick here, so
		3939	# save all maps without fsync, and later call a global sync
		3940	# (which in turn might be very very slow)
		3941	local $USE_FSYNC = 0;
2860		3942
2861	cf::sync_job {	3943	cf::sync_job {
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
2862	# use a peculiar iteration method to avoid tripping on perl	3946	# use a peculiar iteration method to avoid tripping on perl
2863	# refcount bugs in for. also avoids problems with players	3947	# refcount bugs in for. also avoids problems with players
2864	# and maps saved/destroyed asynchronously.	3948	# and maps saved/destroyed asynchronously.
2865	warn "begin emergency player save\n";	3949	info "emergency_perl_save: begin player save\n";
2866	for my $login (keys %cf::PLAYER) {	3950	for my $login (keys %cf::PLAYER) {
2867	my $pl = $cf::PLAYER{$login} or next;	3951	my $pl = $cf::PLAYER{$login} or next;
2868	$pl->valid or next;	3952	$pl->valid or next;
		3953	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2869	$pl->save;	3954	$pl->save;
2870	}	3955	}
2871	warn "end emergency player save\n";	3956	info "emergency_perl_save: end player save\n";
2872		3957
2873	warn "begin emergency map save\n";	3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	info "emergency_perl_save: begin map save\n";
2874	for my $path (keys %cf::MAP) {	3961	for my $path (keys %cf::MAP) {
2875	my $map = $cf::MAP{$path} or next;	3962	my $map = $cf::MAP{$path} or next;
2876	$map->valid or next;	3963	$map->valid or next;
2877	$map->save;	3964	$map->save;
2878	}	3965	}
2879	warn "end emergency map save\n";	3966	info "emergency_perl_save: end map save\n";
2880		3967
2881	warn "begin emergency database checkpoint\n";	3968	cf::write_runtime_sync; # external watchdog should not bark
		3969
		3970	info "emergency_perl_save: begin database checkpoint\n";
2882	BDB::db_env_txn_checkpoint $DB_ENV;	3971	BDB::db_env_txn_checkpoint $DB_ENV;
2883	warn "end emergency database checkpoint\n";	3972	info "emergency_perl_save: end database checkpoint\n";
		3973
		3974	info "emergency_perl_save: begin write uuid\n";
		3975	write_uuid_sync 1;
		3976	info "emergency_perl_save: end write uuid\n";
		3977
		3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	trace "emergency_perl_save: syncing database to disk";
		3981	BDB::db_env_txn_checkpoint $DB_ENV;
		3982
		3983	info "emergency_perl_save: starting sync\n";
		3984	IO::AIO::aio_sync sub {
		3985	info "emergency_perl_save: finished sync\n";
		3986	};
		3987
		3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	trace "emergency_perl_save: flushing outstanding aio requests";
		3991	while (IO::AIO::nreqs || BDB::nreqs) {
		3992	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3993	}
		3994
		3995	cf::write_runtime_sync; # external watchdog should not bark
2884	};	3996	};
2885		3997
2886	warn "leave emergency perl save\n";	3998	info "emergency_perl_save: leave\n";
2887	}	3999	}
2888		4000
2889	sub post_cleanup {	4001	sub post_cleanup {
2890	my ($make_core) = @_;	4002	my ($make_core) = @_;
2891		4003
		4004	IO::AIO::flush;
		4005
2892	warn Carp::longmess "post_cleanup backtrace"	4006	error Carp::longmess "post_cleanup backtrace"
2893	if $make_core;	4007	if $make_core;
		4008
		4009	my $fh = pidfile;
		4010	unlink $PIDFILE if <$fh> == $$;
		4011	}
		4012
		4013	# a safer delete_package, copied from Symbol
		4014	sub clear_package($) {
		4015	my $pkg = shift;
		4016
		4017	# expand to full symbol table name if needed
		4018	unless ($pkg =~ /^main::.*::$/) {
		4019	$pkg = "main$pkg" if $pkg =~ /^::/;
		4020	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4021	$pkg .= '::' unless $pkg =~ /::$/;
		4022	}
		4023
		4024	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4025	my $stem_symtab = *{$stem}{HASH};
		4026
		4027	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4028	or return;
		4029
		4030	# clear all symbols
		4031	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4032	for my $name (keys %$leaf_symtab) {
		4033	_gv_clear *{"$pkg$name"};
		4034	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4035	}
2894	}	4036	}
2895		4037
2896	sub do_reload_perl() {	4038	sub do_reload_perl() {
2897	# can/must only be called in main	4039	# can/must only be called in main
2898	if ($Coro::current != $Coro::main) {	4040	unless (in_main) {
2899	warn "can only reload from main coroutine";	4041	error "can only reload from main coroutine";
2900	return;	4042	return;
2901	}	4043	}
2902		4044
2903	warn "reloading...";	4045	return if $RELOAD++;
2904		4046
2905	warn "entering sync_job";	4047	my $t1 = AE::time;
2906		4048
		4049	while ($RELOAD) {
		4050	cf::get_slot 0.1, -1, "reload_perl";
		4051	info "perl_reload: reloading...";
		4052
		4053	trace "perl_reload: entering sync_job";
		4054
2907	cf::sync_job {	4055	cf::sync_job {
2908	cf::write_runtime; # external watchdog should not bark
2909	cf::emergency_save;	4056	#cf::emergency_save;
2910	cf::write_runtime; # external watchdog should not bark
2911		4057
2912	warn "syncing database to disk";
2913	BDB::db_env_txn_checkpoint $DB_ENV;
2914
2915	# if anything goes wrong in here, we should simply crash as we already saved
2916
2917	warn "cancelling all WF_AUTOCANCEL watchers";
2918	for (Event::all_watchers) {
2919	$_->cancel if $_->data & WF_AUTOCANCEL;
2920	}
2921
2922	warn "flushing outstanding aio requests";
2923	for (;;) {
2924	BDB::flush;
2925	IO::AIO::flush;
2926	Coro::cede;
2927	last unless IO::AIO::nreqs || BDB::nreqs;
2928	warn "iterate...";
2929	}
2930
2931	++$RELOAD;
2932
2933	warn "cancelling all extension coros";	4058	trace "perl_reload: cancelling all extension coros";
2934	$_->cancel for values %EXT_CORO;	4059	$_->cancel for values %EXT_CORO;
2935	%EXT_CORO = ();	4060	%EXT_CORO = ();
2936		4061
2937	warn "removing commands";	4062	trace "perl_reload: removing commands";
2938	%COMMAND = ();	4063	%COMMAND = ();
2939		4064
2940	warn "removing ext/exti commands";	4065	trace "perl_reload: removing ext/exti commands";
2941	%EXTCMD = ();	4066	%EXTCMD = ();
2942	%EXTICMD = ();	4067	%EXTICMD = ();
2943		4068
2944	warn "unloading/nuking all extensions";	4069	trace "perl_reload: unloading/nuking all extensions";
2945	for my $pkg (@EXTS) {	4070	for my $pkg (@EXTS) {
2946	warn "... unloading $pkg";	4071	trace "... unloading $pkg";
2947		4072
2948	if (my $cb = $pkg->can ("unload")) {	4073	if (my $cb = $pkg->can ("unload")) {
2949	eval {	4074	eval {
2950	$cb->($pkg);	4075	$cb->($pkg);
2951	1	4076	1
2952	} or warn "$pkg unloaded, but with errors: $@";	4077	} or error "$pkg unloaded, but with errors: $@";
		4078	}
		4079
		4080	trace "... clearing $pkg";
		4081	clear_package $pkg;
2953	}	4082	}
2954		4083
2955	warn "... nuking $pkg";
2956	Symbol::delete_package $pkg;
2957	}
2958
2959	warn "unloading all perl modules loaded from $LIBDIR";	4084	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2960	while (my ($k, $v) = each %INC) {	4085	while (my ($k, $v) = each %INC) {
2961	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4086	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2962		4087
2963	warn "... unloading $k";	4088	trace "... unloading $k";
2964	delete $INC{$k};	4089	delete $INC{$k};
2965		4090
2966	$k =~ s/\.pm$//;	4091	$k =~ s/\.pm$//;
2967	$k =~ s/\//::/g;	4092	$k =~ s/\//::/g;
2968		4093
2969	if (my $cb = $k->can ("unload_module")) {	4094	if (my $cb = $k->can ("unload_module")) {
2970	$cb->();	4095	$cb->();
		4096	}
		4097
		4098	clear_package $k;
2971	}	4099	}
2972		4100
2973	Symbol::delete_package $k;
2974	}
2975
2976	warn "getting rid of safe::, as good as possible";	4101	trace "perl_reload: getting rid of safe::, as good as possible";
2977	Symbol::delete_package "safe::$_"	4102	clear_package "safe::$_"
2978	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4103	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2979		4104
2980	warn "unloading cf.pm \"a bit\"";	4105	trace "perl_reload: unloading cf.pm \"a bit\"";
2981	delete $INC{"cf.pm"};	4106	delete $INC{"cf.pm"};
2982	delete $INC{"cf/pod.pm"};	4107	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2983		4108
2984	# don't, removes xs symbols, too,	4109	# don't, removes xs symbols, too,
2985	# and global variables created in xs	4110	# and global variables created in xs
2986	#Symbol::delete_package __PACKAGE__;	4111	#clear_package __PACKAGE__;
2987		4112
2988	warn "unload completed, starting to reload now";	4113	info "perl_reload: unload completed, starting to reload now";
2989		4114
2990	warn "reloading cf.pm";	4115	trace "perl_reload: reloading cf.pm";
2991	require cf;	4116	require cf;
2992	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4117	cf::_connect_to_perl_1;
2993		4118
2994	warn "loading config and database again";	4119	trace "perl_reload: loading config and database again";
2995	cf::cfg_load;	4120	cf::reload_config;
2996		4121
2997	warn "loading extensions";	4122	trace "perl_reload: loading extensions";
2998	cf::load_extensions;	4123	cf::load_extensions;
2999		4124
		4125	if ($REATTACH_ON_RELOAD) {
3000	warn "reattaching attachments to objects/players";	4126	trace "perl_reload: reattaching attachments to objects/players";
3001	_global_reattach; # objects, sockets	4127	_global_reattach; # objects, sockets
3002	warn "reattaching attachments to maps";	4128	trace "perl_reload: reattaching attachments to maps";
3003	reattach $_ for values %MAP;	4129	reattach $_ for values %MAP;
3004	warn "reattaching attachments to players";	4130	trace "perl_reload: reattaching attachments to players";
3005	reattach $_ for values %PLAYER;	4131	reattach $_ for values %PLAYER;
		4132	}
3006		4133
3007	warn "leaving sync_job";	4134	cf::_post_init 1;
3008		4135
		4136	trace "perl_reload: leaving sync_job";
		4137
3009	1	4138	1
3010	} or do {	4139	} or do {
3011	warn $@;	4140	error $@;
3012	warn "error while reloading, exiting.";	4141	cf::cleanup "perl_reload: error, exiting.";
3013	exit 1;	4142	};
		4143
		4144	--$RELOAD;
3014	};	4145	}
3015		4146
3016	warn "reloaded";	4147	$t1 = AE::time - $t1;
		4148	info "perl_reload: completed in ${t1}s\n";
3017	};	4149	};
3018		4150
3019	our $RELOAD_WATCHER; # used only during reload	4151	our $RELOAD_WATCHER; # used only during reload
3020		4152
3021	sub reload_perl() {	4153	sub reload_perl() {
3022	# doing reload synchronously and two reloads happen back-to-back,	4154	# doing reload synchronously and two reloads happen back-to-back,
3023	# coro crashes during coro_state_free->destroy here.	4155	# coro crashes during coro_state_free->destroy here.
3024		4156
3025	$RELOAD_WATCHER ||= Event->timer (	4157	$RELOAD_WATCHER ||= cf::async {
3026	reentrant => 0,	4158	Coro::AIO::aio_wait cache_extensions;
3027	after => 0,	4159
3028	data => WF_AUTOCANCEL,	4160	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3029	cb => sub {
3030	do_reload_perl;	4161	do_reload_perl;
3031	undef $RELOAD_WATCHER;	4162	undef $RELOAD_WATCHER;
3032	},	4163	};
3033	);	4164	};
3034	}	4165	}
3035		4166
3036	register_command "reload" => sub {	4167	register_command "reload" => sub {
3037	my ($who, $arg) = @_;	4168	my ($who, $arg) = @_;
3038		4169
3039	if ($who->flag (FLAG_WIZ)) {	4170	if ($who->flag (FLAG_WIZ)) {
3040	$who->message ("reloading server.");	4171	$who->message ("reloading server.");
		4172	async {
		4173	$Coro::current->{desc} = "perl_reload";
3041	async { reload_perl };	4174	reload_perl;
		4175	};
3042	}	4176	}
3043	};	4177	};
3044		4178
3045	unshift @INC, $LIBDIR;	4179	#############################################################################
3046		4180
3047	my $bug_warning = 0;	4181	my $bug_warning = 0;
3048		4182
3049	our @WAIT_FOR_TICK;
3050	our @WAIT_FOR_TICK_BEGIN;
3051
3052	sub wait_for_tick {	4183	sub wait_for_tick() {
3053	return unless $TICK_WATCHER->is_active;	4184	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3054	return if $Coro::current == $Coro::main;
3055		4185
3056	my $signal = new Coro::Signal;	4186	$WAIT_FOR_TICK->wait;
3057	push @WAIT_FOR_TICK, $signal;
3058	$signal->wait;
3059	}	4187	}
3060		4188
3061	sub wait_for_tick_begin {	4189	sub wait_for_tick_begin() {
3062	return unless $TICK_WATCHER->is_active;	4190	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3063	return if $Coro::current == $Coro::main;
3064		4191
3065	my $signal = new Coro::Signal;	4192	my $signal = new Coro::Signal;
3066	push @WAIT_FOR_TICK_BEGIN, $signal;	4193	push @WAIT_FOR_TICK_BEGIN, $signal;
3067	$signal->wait;	4194	$signal->wait;
3068	}	4195	}
3069		4196
3070	my $min = 1e6;#d#	4197	sub tick {
3071	my $avg = 10;
3072	$TICK_WATCHER = Event->timer (
3073	reentrant => 0,
3074	parked => 1,
3075	prio => 0,
3076	at => $NEXT_TICK || $TICK,
3077	data => WF_AUTOCANCEL,
3078	cb => sub {
3079	if ($Coro::current != $Coro::main) {	4198	if ($Coro::current != $Coro::main) {
3080	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4199	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3081	unless ++$bug_warning > 10;	4200	unless ++$bug_warning > 10;
3082	return;	4201	return;
3083	}	4202	}
3084		4203
3085	$NOW = $tick_start = Event::time;	4204	cf::one_tick; # one server iteration
3086		4205
3087	cf::server_tick; # one server iteration	4206	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3088		4207
3089	0 && sync_job {#d#	4208	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3090	for(1..10) {	4209	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3091	my $t = Event::time;	4210	Coro::async_pool {
3092	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4211	$Coro::current->{desc} = "runtime saver";
3093	or die;	4212	write_runtime_sync
3094		4213	or error "ERROR: unable to write runtime file: $!";
3095	$map->width (50);
3096	$map->height (50);
3097	$map->alloc;
3098	$map->_load_objects ("/tmp/x.map", 1);
3099	my $t = Event::time - $t;
3100
3101	#next unless $t < 0.0013;#d#
3102	if ($t < $min) {
3103	$min = $t;
3104	}
3105	$avg = $avg * 0.99 + $t * 0.01;
3106	}
3107	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3108	exit 0;
3109	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3110	};	4214	};
		4215	}
3111		4216
3112	$RUNTIME += $TICK;
3113	$NEXT_TICK += $TICK;
3114
3115	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3116	$NEXT_RUNTIME_WRITE = $NOW + 10;
3117	Coro::async_pool {
3118	write_runtime
3119	or warn "ERROR: unable to write runtime file: $!";
3120	};
3121	}
3122
3123	# my $AFTER = Event::time;
3124	# warn $AFTER - $NOW;#d#
3125
3126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4217	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3127	$sig->send;	4218	$sig->send;
3128	}	4219	}
3129	while (my $sig = shift @WAIT_FOR_TICK) {	4220	$WAIT_FOR_TICK->broadcast;
3130	$sig->send;
3131	}
3132		4221
3133	$NOW = Event::time;	4222	$LOAD = ($NOW - $TICK_START) / $TICK;
3134
3135	# if we are delayed by four ticks or more, skip them all
3136	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3137
3138	$TICK_WATCHER->at ($NEXT_TICK);
3139	$TICK_WATCHER->start;
3140
3141	$LOAD = ($NOW - $tick_start) / $TICK;
3142	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3143		4224
3144	_post_tick;	4225	if (0) {
3145		4226	if ($NEXT_TICK) {
3146		4227	my $jitter = $TICK_START - $NEXT_TICK;
		4228	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4229	debug "jitter $JITTER\n";#d#
		4230	}
3147	},	4231	}
3148	);	4232	}
3149		4233
3150	{	4234	{
3151	BDB::max_poll_time $TICK * 0.1;	4235	# configure BDB
3152	$BDB_POLL_WATCHER = Event->io (	4236
3153	reentrant => 0,
3154	fd => BDB::poll_fileno,
3155	poll => 'r',
3156	prio => 0,
3157	data => WF_AUTOCANCEL,
3158	cb => \&BDB::poll_cb,
3159	);
3160	BDB::min_parallel 8;	4237	BDB::min_parallel 16;
3161		4238	BDB::max_poll_reqs $TICK * 0.1;
3162	BDB::set_sync_prepare {	4239	#$AnyEvent::BDB::WATCHER->priority (1);
3163	my $status;
3164	my $current = $Coro::current;
3165	(
3166	sub {
3167	$status = $!;
3168	$current->ready; undef $current;
3169	},
3170	sub {
3171	Coro::schedule while defined $current;
3172	$! = $status;
3173	},
3174	)
3175	};
3176		4240
3177	unless ($DB_ENV) {	4241	unless ($DB_ENV) {
3178	$DB_ENV = BDB::db_env_create;	4242	$DB_ENV = BDB::db_env_create;
		4243	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4244	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4245	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4246	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4247	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3179		4248
3180	cf::sync_job {	4249	cf::sync_job {
3181	eval {	4250	eval {
3182	BDB::db_env_open	4251	BDB::db_env_open
3183	$DB_ENV,	4252	$DB_ENV,
…		…
3185	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4254	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3186	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4255	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3187	0666;	4256	0666;
3188		4257
3189	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4258	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3190
3191	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3192	$DB_ENV->set_lk_detect;
3193	};	4259	};
3194		4260
3195	cf::cleanup "db_env_open(db): $@" if $@;	4261	cf::cleanup "db_env_open(db): $@" if $@;
3196	};	4262	};
3197	}	4263	}
		4264
		4265	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4266	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4267	};
		4268	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4269	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4270	};
		4271	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4272	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4273	};
3198	}	4274	}
3199		4275
3200	{	4276	{
		4277	# configure IO::AIO
		4278
3201	IO::AIO::min_parallel 8;	4279	IO::AIO::min_parallel 8;
3202
3203	undef $Coro::AIO::WATCHER;
3204	IO::AIO::max_poll_time $TICK * 0.1;	4280	IO::AIO::max_poll_time $TICK * 0.1;
3205	$AIO_POLL_WATCHER = Event->io (	4281	undef $AnyEvent::AIO::WATCHER;
3206	reentrant => 0,
3207	data => WF_AUTOCANCEL,
3208	fd => IO::AIO::poll_fileno,
3209	poll => 'r',
3210	prio => 6,
3211	cb => \&IO::AIO::poll_cb,
3212	);
3213	}	4282	}
3214		4283
3215	my $_log_backtrace;	4284	our $_log_backtrace;
		4285	our $_log_backtrace_last;
3216		4286
3217	sub _log_backtrace {	4287	sub _log_backtrace {
3218	my ($msg, @addr) = @_;	4288	my ($msg, @addr) = @_;
3219		4289
3220	$msg =~ s/\n//;	4290	$msg =~ s/\n$//;
3221		4291
		4292	if ($_log_backtrace_last eq $msg) {
		4293	LOG llevInfo, "[ABT] $msg\n";
		4294	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3222	# limit the # of concurrent backtraces	4295	# limit the # of concurrent backtraces
3223	if ($_log_backtrace < 2) {	4296	} elsif ($_log_backtrace < 2) {
		4297	$_log_backtrace_last = $msg;
3224	++$_log_backtrace;	4298	++$_log_backtrace;
		4299	my $perl_bt = Carp::longmess $msg;
3225	async {	4300	async {
		4301	$Coro::current->{desc} = "abt $msg";
		4302
3226	my @bt = fork_call {	4303	my @bt = fork_call {
3227	@addr = map { sprintf "%x", $_ } @addr;	4304	@addr = map { sprintf "%x", $_ } @addr;
3228	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4305	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3229	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4306	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3230	or die "addr2line: $!";	4307	or die "addr2line: $!";
…		…
3238	}	4315	}
3239		4316
3240	@funcs	4317	@funcs
3241	};	4318	};
3242		4319
3243	LOG llevInfo, "[ABT] $msg\n";	4320	LOG llevInfo, "[ABT] $perl_bt\n";
		4321	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3244	LOG llevInfo, "[ABT] $_\n" for @bt;	4322	LOG llevInfo, "[ABT] $_\n" for @bt;
3245	--$_log_backtrace;	4323	--$_log_backtrace;
3246	};	4324	};
3247	} else {	4325	} else {
3248	LOG llevInfo, "[ABT] $msg\n";	4326	LOG llevInfo, "[ABT] $msg\n";
3249	LOG llevInfo, "[ABT] [suppressed]\n";	4327	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3250	}	4328	}
3251	}	4329	}
3252		4330
3253	# load additional modules	4331	# load additional modules
3254	use cf::pod;	4332	require "cf/$_.pm" for @EXTRA_MODULES;
		4333	cf::_connect_to_perl_2;
3255		4334
3256	END { cf::emergency_save }	4335	END { cf::emergency_save }
3257		4336
3258	1	4337	1
3259		4338

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