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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.300 by root, Tue Jul 10 06:44:29 2007 UTC vs.
Revision 1.587 by root, Wed Oct 31 19:09:47 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
413		734
414	sub _store_scalar {	735	sub post_fork {
415	open my $fh, ">", \my $buf	736	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	737	}
422		738
423	sub fork_call(&@) {	739	sub fork_call(&@) {
424	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
425		741
426	# 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,
427	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		745
431	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
432	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
433		750
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	752	}
436	$res = Coro::Storable::thaw $res;
437		753
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	790	}
466		791
467	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
468		793
469	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
472		797
473	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
474	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).
475		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
476	=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	}
477		827
478	our $DB;	828	our $DB;
479		829
480	sub db_init {	830	sub db_init {
481	unless ($DB) {	831	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	832	}
496		833
497	sub db_get($$) {	834	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
499		836
500	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
501	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
502		841
503	$! ? ()	842	$! ? ()
504	: $data	843	: $data
505	}
506	}	844	}
507		845
508	sub db_put($$$) {	846	sub db_put($$$) {
509	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
538		876
539	my @data;	877	my @data;
540	my $md5;	878	my $md5;
541		879
542	for (0 .. $#$src) {	880	for (0 .. $#$src) {
543	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
544	or Carp::croak "$src->[$_]: $!";
545	}	882	}
546		883
547	# if processing is expensive, check	884	# if processing is expensive, check
548	# checksum first	885	# checksum first
549	if (1) {	886	if (1) {
550	$md5 =	887	$md5 =
551	join "\x00",	888	join "\x00",
552	$processversion,	889	$processversion,
553	map {	890	map {
554	Coro::cede;	891	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	893	} 0.. $#$src;
557		894
558		895
559	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		903
567	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	905	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
570		907
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		909
573	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
576		913
…		…
586		923
587	=cut	924	=cut
588		925
589	sub datalog($@) {	926	sub datalog($@) {
590	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	929	}
593		930
594	=back	931	=back
595		932
596	=cut	933	=cut
597		934
598	#############################################################################	935	#############################################################################
599		936
600	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
601		938
602	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
603	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")
604	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
605		942
606	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>
607	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
608	Crossfire TRT).	945	Deliantra).
609		946
610	=over 4	947	=over 4
611		948
612	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
613		950
…		…
657	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
658		995
659	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
660	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
661		998
662	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		1001
665	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
666		1003
667	=over 4	1004	=over 4
…		…
791		1128
792	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1131
795	} elsif (ref $type) {	1132	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
797		1134
798	} else {	1135	} else {
799	shift @arg;	1136	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
801	}	1138	}
802	}	1139	}
803	}	1140	}
804		1141
805	sub _object_attach {	1142	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
816	}	1153	}
817		1154
818	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
819	} else {	1156	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1158	}
822		1159
823	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
824	}	1161	}
825		1162
…		…
865	";	1202	";
866	die if $@;	1203	die if $@;
867	}	1204	}
868		1205
869	our $override;	1206	our $override;
870	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?
871		1208
872	sub override {	1209	sub override {
873	$override = 1;	1210	$override = 1;
874	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
875	}	1212	}
876		1213
877	sub do_invoke {	1214	sub do_invoke {
878	my $event = shift;	1215	my $event = shift;
879	my $callbacks = shift;	1216	my $callbacks = shift;
880		1217
881	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
882		1219
883	local $override;	1220	local $override;
884		1221
885	for (@$callbacks) {	1222	for (@$callbacks) {
886	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
887		1224
888	if ($@) {	1225	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1227	override;
892	}	1228	}
893		1229
894	return 1 if $override;	1230	return 1 if $override;
895	}	1231	}
896		1232
897	0	1233	0
898	}	1234	}
899		1235
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1237
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1239
904	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
905		1241
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1245
910	=back	1246	=back
911		1247
912	=cut	1248	=cut
913		1249
914	#############################################################################	1250	#############################################################################
915	# 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	}
916		1294
917	sub reattach {	1295	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1297	my ($obj) = @_;
920		1298
		1299	# no longer needed after getting rid of delete_package?
921	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
922		1301
923	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
924		1303
925	@$registry = ();	1304	@$registry = ();
926		1305
…		…
931	for (@$attach) {	1310	for (@$attach) {
932	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
934	}	1313	}
935	} else {	1314	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1316	}
938	}	1317	}
939	}	1318	}
940		1319
941	cf::attachable->attach (	1320	cf::attachable->attach (
942	prio => -1000000,	1321	prio => -1000000,
943	on_instantiate => sub {	1322	on_instantiate => sub {
944	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
945		1324
946	$data = from_json $data;	1325	$data = decode_json $data;
947		1326
948	for (@$data) {	1327	for (@$data) {
949	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
950		1329
951	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1346	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
969		1348
970	sync_job {	1349	sync_job {
971	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
974		1355
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1363	aio_close $fh;
980		1364
981	if (@$objs) {	1365	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1374	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
989	}	1376	}
990	} else {	1377	} else {
991	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
992	}	1379	}
993		1380
994	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1385	} else {
996	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
997	}	1387	}
998	} else {	1388	} else {
999	aio_unlink $filename;	1389	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1001	}	1391	}
1002	}	1392	};
1003	}	1393	}
1004		1394
1005	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1007		1397
…		…
1019	or return;	1409	or return;
1020		1410
1021	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1413	or return;
		1414
1024	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1025	}	1417	}
1026		1418
		1419	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1029	return ($data, $av);	1424	($data, $av)
1030	}	1425	}
1031		1426
1032	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1033		1428
1034	=over 4	1429	=over 4
…		…
1088	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1089		1484
1090	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1091	}	1486	}
1092		1487
		1488	use File::Glob ();
		1489
1093	cf::player->attach (	1490	cf::player->attach (
1094	on_command => sub {	1491	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1096		1493
1097	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1098	or return;	1495	or return;
1099		1496
…		…
1107	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1108		1505
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1507
1111	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1117	} else {	1520	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1522	}
1120		1523
1121	cf::override;	1524	cf::override;
1122	},	1525	},
1123	);	1526	);
1124		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
1125	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1126	cf::sync_job {	1557	cf::sync_job {
1127	my %todo;	1558	my %todo;
1128		1559
1129	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1561	next unless -r $path;
…		…
1148		1579
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1582
1152	$ext{source} =	1583	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1155	. $source	1586	. $source
1156	. "\n};\n1";	1587	. "\n};\n1";
1157		1588
1158	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1159	}	1590	}
1160		1591
		1592	my $pass = 0;
1161	my %done;	1593	my %done;
1162	while (%todo) {	1594	while (%todo) {
1163	my $progress;	1595	my $progress;
1164		1596
		1597	++$pass;
		1598
		1599	ext:
1165	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1602	next ext
1168	unless exists $done{$_};	1603	unless exists $done{$_};
1169	}	1604	}
1170		1605
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1607
1173	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 $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1178	warn $msg;	1624
1179	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1626	delete $todo{$k};
1181	}	1627	} else {
1182		1628	$done{$k} = delete $todo{$k};
1183	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1184	}	1634	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1635	}
1190		1636
1191	skip:	1637	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	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	}
1194	}	1647	}
1195	};	1648	};
1196	}	1649	}
1197		1650
1198	#############################################################################	1651	#############################################################################
1199		1652
1200	=back	1653	=back
1201		1654
1202	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1203		1656
1204	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1205		1658
1206	=cut	1659	=cut
1207		1660
1208	package cf::player;	1661	package cf::player;
1209		1662
1210	use Coro::AIO;	1663	use Coro::AIO;
1211		1664
1212	=head3 cf::player	1665	=head3 cf::player
1213		1666
1214	=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	}
1215		1682
1216	=item cf::player::find $login	1683	=item cf::player::find $login
1217		1684
1218	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1219		1686
…		…
1238		1705
1239	sub exists($) {	1706	sub exists($) {
1240	my ($login) = @_;	1707	my ($login) = @_;
1241		1708
1242	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1244	}	1711	}
1245		1712
1246	sub find($) {	1713	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1715	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1726
1260	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1263	}	1736	}
1264	}	1737	}
1265	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1266		1752
1267	sub save($) {	1753	sub save($) {
1268	my ($pl) = @_;	1754	my ($pl) = @_;
1269		1755
1270	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1276		1762
1277	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1279		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
1280	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1281	Coro::cede;	1772	cf::cede_to_tick;
1282	}	1773	}
1283		1774
1284	sub new($) {	1775	sub new($) {
1285	my ($login) = @_;	1776	my ($login) = @_;
1286		1777
…		…
1292	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1293		1784
1294	$self	1785	$self
1295	}	1786	}
1296		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
1297	=item $pl->quit_character	1798	=item $pl->quit_character
1298		1799
1299	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1301		1802
…		…
1305	my ($pl) = @_;	1806	my ($pl) = @_;
1306		1807
1307	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1308		1809
1309	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1310	$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
1311		1812
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1315	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1316		1821
1317	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1354	or return [];	1859	or return [];
1355		1860
1356	my @logins;	1861	my @logins;
1357		1862
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1362		1873
1363	utf8::decode $login;	1874	utf8::decode $login;
1364	push @logins, $login;	1875	push @logins, $login;
1365	}	1876	}
1366		1877
1367	\@logins	1878	\@logins
1368	}	1879	}
1369		1880
1370	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1371		1884
1372	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1373	player. May block.	1886	player. May block.
1374		1887
1375	=cut	1888	=cut
…		…
1393	}	1906	}
1394		1907
1395	\@paths	1908	\@paths
1396	}	1909	}
1397		1910
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1912
1400	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1401		1914
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	warn $_;#d#
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1450		1916
1451	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1452		1918
1453	=cut	1919	=cut
1454		1920
1455	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1456	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1457		1923
1458	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}	1925	}
1461		1926
1462	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1463		1928
1464	Sends an ext event to the client.	1929	Sends an ext event to the client.
1465		1930
1466	=cut	1931	=cut
1467		1932
1468	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1470		1935
1471	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1472	}	1937	}
1473		1938
1474	=head3 cf::region	1939	=head3 cf::region
1475		1940
1476	=over 4	1941	=over 4
…		…
1486	=cut	1951	=cut
1487		1952
1488	sub find_by_path($) {	1953	sub find_by_path($) {
1489	my ($path) = @_;	1954	my ($path) = @_;
1490		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1491	my ($match, $specificity);	1958	my ($match, $specificity);
1492		1959
1493	for my $region (list) {	1960	for my $region (list) {
1494	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1495	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1496	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1497	}	1964	}
1498	}	1965	}
1499		1966
…		…
1520	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1522		1989
1523	sub generate_random_map {	1990	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1526	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1996	}
1540		1997
1541	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1542		1999
1543	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
…		…
1548		2005
1549	sub register {	2006	sub register {
1550	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	2008	my $pkg = caller;
1552		2009
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		2011
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2013	}
1558		2014
1559	# also paths starting with '/'	2015	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2017
1562	sub thawer_merge {	2018	sub thawer_merge {
1563	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1564		2020
1565	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1570	}	2026	}
1571		2027
1572	sub normalise {	2028	sub normalise {
1573	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1574		2030
1575	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1576		2032
1577	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1578		2034
1579	# map plan:	2035	# map plan:
1580	#	2036	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2052	$path = "$base/$path";
1597	}	2053	}
1598		2054
1599	for ($path) {	2055	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1603	}	2058	}
1604		2059
1605	$path	2060	$path
…		…
1619	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1620	return $self;	2075	return $self;
1621	}	2076	}
1622	}	2077	}
1623		2078
1624	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2080	()
1626	}	2081	}
1627		2082
		2083	# may re-bless or do other evil things
1628	sub init {	2084	sub init {
1629	my ($self) = @_;	2085	my ($self) = @_;
1630		2086
1631	$self	2087	$self
1632	}	2088	}
…		…
1651		2107
1652	# the temporary/swap location	2108	# the temporary/swap location
1653	sub save_path {	2109	sub save_path {
1654	my ($self) = @_;	2110	my ($self) = @_;
1655		2111
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1658	}	2114	}
1659		2115
1660	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1661	sub uniq_path {	2117	sub uniq_path {
1662	my ($self) = @_;	2118	my ($self) = @_;
1663		2119
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2122	}
1676		2123
1677	sub decay_objects {	2124	sub decay_objects {
1678	my ($self) = @_;	2125	my ($self) = @_;
1679		2126
…		…
1692		2139
1693	sub load_header_from($) {	2140	sub load_header_from($) {
1694	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1695		2142
1696	utf8::encode $path;	2143	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2145	or return;
1702		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1703	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1704		2154
1705	1	2155	1
1706	}	2156	}
1707		2157
		2158	# used to laod the header of an original map
1708	sub load_header_orig {	2159	sub load_header_orig {
1709	my ($self) = @_;	2160	my ($self) = @_;
1710		2161
1711	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1712	}	2163	}
1713		2164
		2165	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2166	sub load_header_temp {
1715	my ($self) = @_;	2167	my ($self) = @_;
1716		2168
1717	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1718	}	2170	}
1719		2171
		2172	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2173	sub prepare_temp {
1721	my ($self) = @_;	2174	my ($self) = @_;
1722		2175
1723	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1725	# safety	2178	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2181	}
1729		2182
		2183	# called after loading the header from an original map
1730	sub prepare_orig {	2184	sub prepare_orig {
1731	my ($self) = @_;	2185	my ($self) = @_;
1732		2186
1733	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2212
1759	sub find;	2213	sub find;
1760	sub find {	2214	sub find {
1761	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1762		2216
		2217	cf::cede_to_tick;
		2218
1763	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1764		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2223
1767	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1770	or return;	2226	or return;
1771		2227
1772	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1773		2229
…		…
1775	or return;	2231	or return;
1776		2232
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1780	$map->reset;	2238	$map->reset;
1781	undef $guard;
1782	return find $path;	2239	return find $path;
1783	}	2240	}
1784		2241
1785	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1786	}	2243	}
1787	}	2244	}
1788		2245
1789	sub pre_load { }	2246	sub pre_load { }
1790	sub post_load { }	2247	#sub post_load { } # XS
1791		2248
1792	sub load {	2249	sub load {
1793	my ($self) = @_;	2250	my ($self) = @_;
1794		2251
1795	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1796		2253
1797	my $path = $self->{path};	2254	my $path = $self->{path};
1798		2255
1799	{	2256	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1801		2258
		2259	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2261
1806	$self->alloc;	2262	$self->alloc;
1807		2263
1808	$self->pre_load;	2264	$self->pre_load;
1809	Coro::cede;	2265	cf::cede_to_tick;
1810		2266
1811	$self->_load_objects ($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)
1812	or return;	2271	or return;
1813		2272
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1815	if delete $self->{load_original};	2274	if delete $self->{load_original};
1816		2275
1817	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2277	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2280	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1822	}	2285	}
1823	}
1824		2286
1825	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;
1826	# now do the right thing for maps	2296	# now do the right thing for maps
1827	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2299	unless $self->difficulty;
1830	Coro::cede;	2300	cf::cede_to_tick;
1831		2301
1832	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2303	$self->decay_objects;
1834	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1835	$self->update_buttons;	2305	$self->update_buttons;
1836	Coro::cede;	2306	cf::cede_to_tick;
1837	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2308	}
1841		2309
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1843	}	2312	}
1844		2313
1845	$self->post_load;	2314	$self->post_load;
1846	}
1847		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2322	sub customise_for {
1849	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1850		2324
1851	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2326	if $self->per_player;
…		…
1855	# if $self->per_party;	2329	# if $self->per_party;
1856		2330
1857	$self	2331	$self
1858	}	2332	}
1859		2333
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2334	sub find_sync {
1885	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1886		2336
1887	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, $origin
1888	}	2342	}
1889		2343
1890	sub do_load_sync {	2344	sub do_load_sync {
1891	my ($map) = @_;	2345	my ($map) = @_;
1892		2346
1893	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;
1894	}	2352	}
1895		2353
1896	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1898		2356
1899	sub find_async {	2357	sub find_async {
1900	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1901		2359
1902	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1903		2361
1904	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1906	}	2364	}
1907		2365
1908	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1909	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1910	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	my $map = find $path	2373	if (my $map = find $k) {
1913	or next;
1914	$map->load;	2374	$map->load if $v;
		2375	}
1915		2376
1916	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1917	}	2378	}
1918	}	2379	}
1919	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1920	};	2381	};
1921	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1922		2383
1923	()	2384	()
1924	}	2385	}
1925		2386
		2387	# common code, used by both ->save and ->swapout
1926	sub save {	2388	sub _save {
1927	my ($self) = @_;	2389	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2390
1931	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1932		2392
1933	return unless $self->dirty;	2393	return unless $self->dirty;
1934		2394
…		…
1940	return if $self->{deny_save};	2400	return if $self->{deny_save};
1941		2401
1942	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1943		2403
1944	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1946	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1947		2410
1948	if ($uniq) {	2411	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2414	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2416	}
1954	}	2417	}
1955		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1956	sub swap_out {	2427	sub swap_out {
1957	my ($self) = @_;	2428	my ($self) = @_;
1958		2429
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1964	return if $self->players;	2434	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		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
1968	$self->clear;	2445	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2446	}
1971		2447
1972	sub reset_at {	2448	sub reset_at {
1973	my ($self) = @_;	2449	my ($self) = @_;
1974		2450
…		…
1992		2468
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2470
1995	return if $self->players;	2471	return if $self->players;
1996		2472
1997	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1998		2474
1999	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
2000		2476
2001	# need to save uniques path	2477	# need to save uniques path
2002	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2480
…		…
2006	if $uniq;	2482	if $uniq;
2007	}	2483	}
2008		2484
2009	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2010		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2489	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2490
2015	$self->unlink_save;	2491	$self->unlink_save;
2016	$self->destroy;	2492	$self->destroy;
2017	}	2493	}
2018		2494
2019	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2020		2496
2021	sub nuke {	2497	sub nuke {
2022	my ($self) = @_;	2498	my ($self) = @_;
2023		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2024	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2025		2504
2026	$self->unlink_save;	2505	$self->unlink_save;
2027		2506
2028	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2512
2034	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2035		2515
2036	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2037	}	2517	}
2038		2518
2039	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2081		2561
2082	sub unique_maps() {	2562	sub unique_maps() {
2083	[	2563	[
2084	map {	2564	map {
2085	utf8::decode $_;	2565	utf8::decode $_;
2086	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2087	? normalise $_	2569	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2571	]
2091	}	2572	}
2092		2573
2093	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	}
2094		2605
2095	=back	2606	=back
2096		2607
2097	=head3 cf::object	2608	=head3 cf::object
2098		2609
…		…
2102		2613
2103	=over 4	2614	=over 4
2104		2615
2105	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2106		2617
2107	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.
2108		2620
2109	=cut	2621	=cut
2110		2622
2111	sub inv_recursive_;	2623	sub inv_recursive_;
2112	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2115		2627
2116	sub inv_recursive {	2628	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2118	}	2630	}
2119		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
2120	package cf;	2660	package cf;
2121		2661
2122	=back	2662	=back
2123		2663
2124	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2130	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>
2131	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
2132	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2133		2673
2134	=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	};
2135		2689
2136	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2691	# with dialog boxes.
2138	#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
2139	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2146		2700
2147	} else {	2701	} else {
2148	my $pl = $self->contr;	2702	my $pl = $self->contr;
2149		2703
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2707
2159	} else {	2708	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2711	}
2163	}	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 (@_);
2164	}	2723	}
2165		2724
2166	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2167		2726
2168	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2181		2740
2182	=item $player_object->enter_link	2741	=item $player_object->enter_link
2183		2742
2184	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}>).
2185		2744
2186	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.
2187	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.
2188		2749
2189	Will never block.	2750	Will never block.
2190		2751
2191	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2192		2753
…		…
2212	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2774	my ($self) = @_;
2214		2775
2215	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2216		2777
		2778	++$self->{_link_recursion};
		2779
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2781
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2221		2784
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2786	}
2224		2787
2225	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2227		2790
…		…
2244	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2246		2809
2247	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2250		2813
2251	$map->load;	2814	$map->load;
2252	$map->load_diag;
2253		2815
2254	return unless $self->contr->active;	2816	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2817
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2259	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2260		2825
		2826	}
		2827
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2829
2263	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
2264	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2265	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
2266	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 >>.
2267		2838
2268	=cut	2839	=cut
2269		2840
2270	our $GOTOGEN;	2841	our $GOTOGEN;
2271		2842
2272	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2273	my ($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	}
2274		2851
2275	# 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
2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2277		2854
2278	$self->enter_link;	2855	$self->enter_link;
2279		2856
2280	(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
2281	my $map = eval {	2879	my $map = eval {
2282	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2283		2881
2284	if ($map) {	2882	if ($map) {
2285	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2286	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2287	} else {	2885	} else {
2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2289	}	2887	}
2290		2888
2291	$map	2889	$map
2292	};	2890	};
2293		2891
…		…
2298		2896
2299	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2300	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2301	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2302	}	2900	}
		2901
		2902	$done->($self) if $done;
2303	})->prio (1);	2903	})->prio (1);
2304	}	2904	}
2305		2905
2306	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2307		2907
…		…
2327	}	2927	}
2328		2928
2329	sub prepare_random_map {	2929	sub prepare_random_map {
2330	my ($exit) = @_;	2930	my ($exit) = @_;
2331		2931
2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
2333
2334	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2335	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2336	# that depends on the exit object	2934	# that depends on the exit object
2337		2935
2338	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2340	if ($exit->map) {	2938	if ($exit->map) {
2341	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2342	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2343	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2344	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2345	}	2945	}
2346		2946
2347	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2348		2948
2349	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2350	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2351	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2352		2952
2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2354	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2355	undef $fh;	2955	undef $fh;
2356	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2357		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2358	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2359	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2360	}	2964	}
2361	}	2965	}
2362		2966
2363	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2364	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2365		2969
2366	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2367		2971
2368	if ($exit->slaying eq "/!") {
2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
2370	# the problem is that $exit might not survive long enough
2371	# so it needs to be done right now, right here
2372	cf::sync_job { prepare_random_map $exit };
2373	}
2374
2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2376	my $hp = $exit->stats->hp;
2377	my $sp = $exit->stats->sp;
2378
2379	$self->enter_link;	2972	$self->enter_link;
2380		2973
2381	# if exit is damned, update players death & WoR home-position
2382	$self->contr->savebed ($slaying, $hp, $sp)
2383	if $exit->flag (FLAG_DAMNED);
2384
2385	(async {	2974	(async {
2386	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2387	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
2388	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2389		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
2390	1;	3013	1
2391	}) {	3014	}) {
2392	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2393	. "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. "
2394	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2395	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2396		3019
2397	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2398	$self->leave_link;	3021	$self->leave_link;
2399	}	3022	}
2400	})->prio (1);	3023	})->prio (1);
2401	}	3024	}
2402		3025
…		…
2416		3039
2417	utf8::encode $text;	3040	utf8::encode $text;
2418	$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);
2419	}	3042	}
2420		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
2421	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2422		3070
2423	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2424	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2425	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2426	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2427		3075
2428	=cut	3076	=cut
2429		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" => $CHAT_CHANNEL,
		3190	);
		3191
2430	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2431	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2432		3194
2433	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
2434		3216
2435	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2436		3218
2437	if ($self->can_msg) {	3219	# default colour, mask it out
2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2439	} else {	3221	if $color & cf::NDI_DEF;
2440	# replace some tags by gcfclient-compatible ones
2441	for ($msg) {
2442	1 while
2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448	}
2449		3222
2450	if ($color >= 0) {	3223	my $pkt = "msg "
2451	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2452	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2453	} else {	3226	);
2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455	$self->send_packet ("drawinfo $color $msg")
2456	}
2457	}
2458	}
2459	}
2460		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2461	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2462		3232
2463	Sends an ext event to the client.	3233	Sends an ext event to the client.
2464		3234
2465	=cut	3235	=cut
2466		3236
2467	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2468	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2469		3239
		3240	if ($self->extcmd == 2) {
		3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3242	} elsif ($self->extcmd == 1) { # TODO: remove
2470	$msg{msgtype} = "event_$type";	3243	push @msg, msgtype => "event_$type";
2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3245	}
		3246	}
		3247
		3248	=item $client->ext_reply ($msgid, @msg)
		3249
		3250	Sends an ext reply to the client.
		3251
		3252	=cut
		3253
		3254	sub cf::client::ext_reply($$@) {
		3255	my ($self, $id, @msg) = @_;
		3256
		3257	return unless $self->extcmd == 2;
		3258
		3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2472	}	3260	}
2473		3261
2474	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2475		3263
2476	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2531	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2532		3320
2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2534		3322
2535	if (ref $msg) {	3323	if (ref $msg) {
		3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3325
		3326	my @reply;
		3327
2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTICMD{$type}) {
2537	if (my %reply = $cb->($ns, $msg)) {	3329	@reply = $cb->($ns, @payload);
2538	$reply{msgid} = $msg->{msgid};
2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2540	}
2541	}	3330	}
		3331
		3332	$ns->ext_reply ($reply, @reply)
		3333	if $reply;
		3334
2542	} else {	3335	} else {
2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2544	}	3337	}
2545		3338
2546	cf::override;	3339	cf::override;
2547	},	3340	},
2548	);	3341	);
…		…
2568		3361
2569	$coro	3362	$coro
2570	}	3363	}
2571		3364
2572	cf::client->attach (	3365	cf::client->attach (
2573	on_destroy => sub {	3366	on_client_destroy => sub {
2574	my ($ns) = @_;	3367	my ($ns) = @_;
2575		3368
2576	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2577	},	3370	},
2578	);	3371	);
…		…
2593	our $safe = new Safe "safe";	3386	our $safe = new Safe "safe";
2594	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2595		3388
2596	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2597		3390
2598	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3391	$safe->permit_only (Opcode::opset qw(
		3392	:base_core :base_mem :base_orig :base_math :base_loop
		3393	grepstart grepwhile mapstart mapwhile
		3394	sort time
		3395	));
2599		3396
2600	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
2601		3398
2602	=pod	3399	=pod
2603		3400
2604	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2605		3402
2606	cf::object	3403	cf::object
2607	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2608	insert remove	3405	insert remove name archname title slaying race decrease split
		3406	value
2609		3407
2610	cf::object::player	3408	cf::object::player
2611	player	3409	player
2612		3410
2613	cf::player	3411	cf::player
…		…
2618		3416
2619	=cut	3417	=cut
2620		3418
2621	for (	3419	for (
2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2623	insert remove)],	3421	insert remove inv nrof name archname title slaying race
		3422	decrease split destroy change_exp value msg lore send_msg)],
2624	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2625	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2626	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2627	) {	3426	) {
2628	no strict 'refs';
2629	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2630	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2631	for @funs;	3429	for @funs;
2632	}	3430	}
2633		3431
…		…
2648		3446
2649	my $qcode = $code;	3447	my $qcode = $code;
2650	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2651	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2652		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2653	local $_;	3454	local $_;
2654	local @safe::cf::_safe_eval_args = values %vars;
2655		3455
2656	my $eval =	3456	my $eval =
2657	"do {\n"	3457	"do {\n"
2658	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2659	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2660	. $code	3460	. $code
2661	. "\n}"	3461	. "\n}"
2662	;	3462	;
2663		3463
		3464	if ($CFG{safe_eval}) {
2664	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2665	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2666	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2667		3473
2668	if ($@) {	3474	if ($@) {
2669	warn "$@";	3475	warn "$@",
2670	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2671	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2672	}	3478	}
2673		3479
2674	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2675	}	3481	}
2676		3482
…		…
2690	=cut	3496	=cut
2691		3497
2692	sub register_script_function {	3498	sub register_script_function {
2693	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2694		3500
2695	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2696	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2697	}	3503	}
2698		3504
2699	=back	3505	=back
2700		3506
2701	=cut	3507	=cut
2702		3508
2703	#############################################################################	3509	#############################################################################
2704	# the server's init and main functions	3510	# the server's init and main functions
2705		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
		3513
2706	sub load_facedata($) {	3514	sub load_facedata($) {
2707	my ($path) = @_;	3515	my ($path) = @_;
2708		3516
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3522
2709	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2710		3524
2711	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2712	0 < aio_load $path, $facedata
2713	or die "$path: $!";
2714
2715	$facedata = Coro::Storable::thaw $facedata;
2716		3526
2717	$facedata->{version} == 2	3527	$facedata->{version} == 2
2718	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
2719		3529
		3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3532	$facedata->{resource}{"res/exp_table"} = {
		3533	type => FT_RSRC,
		3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
		3536	};
		3537	cf::cede_to_tick;
		3538
2720	{	3539	{
2721	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
2722		3541
2723	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
2725	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3546	cf::face::set_visibility $idx, $info->{visibility};
		3547	cf::face::set_magicmap $idx, $info->{magicmap};
2726	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2727	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2728	Coro::cede;	3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
		3552
		3553	cf::cede_to_tick;
2729	}	3554	}
2730		3555
2731	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
2732	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
2733	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
2734	or next;	3560	or next;
		3561
2735	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
		3563	cf::face::set_smooth $idx, $smooth;
2736	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2737	} else {	3565	} else {
2738	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
2739	}	3567	}
2740	Coro::cede;	3568
		3569	cf::cede_to_tick;
2741	}	3570	}
2742	}	3571	}
2743		3572
2744	{	3573	{
2745	my $anims = $facedata->{animinfo};	3574	my $anims = $facedata->{animinfo};
2746		3575
2747	while (my ($anim, $info) = each %$anims) {	3576	while (my ($anim, $info) = each %$anims) {
2748	cf::anim::set $anim, $info->{frames}, $info->{facings};	3577	cf::anim::set $anim, $info->{frames}, $info->{facings};
2749	Coro::cede;	3578	cf::cede_to_tick;
2750	}	3579	}
2751		3580
2752	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
2753	}	3582	}
2754		3583
		3584	{
		3585	my $res = $facedata->{resource};
		3586
		3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
		3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3591
		3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
		3596	} else {
		3597	# $RESOURCE{$name} = $info; # unused
		3598	}
		3599
		3600	cf::cede_to_tick;
		3601	}
		3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3605
2755	1	3606	1
2756	}	3607	}
2757		3608
		3609	register_exticmd fx_want => sub {
		3610	my ($ns, $want) = @_;
		3611
		3612	while (my ($k, $v) = each %$want) {
		3613	$ns->fx_want ($k, $v);
		3614	}
		3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
		3626
2758	sub reload_regions {	3627	sub reload_regions {
		3628	# HACK to clear player env face cache, we need some signal framework
		3629	# for this (global event?)
		3630	%ext::player_env::MUSIC_FACE_CACHE = ();
		3631
2759	load_resource_file "$MAPDIR/regions"	3632	load_resource_file "$MAPDIR/regions"
2760	or die "unable to load regions file\n";	3633	or die "unable to load regions file\n";
		3634
		3635	for (cf::region::list) {
		3636	$_->{match} = qr/$_->{match}/
		3637	if exists $_->{match};
		3638	}
2761	}	3639	}
2762		3640
2763	sub reload_facedata {	3641	sub reload_facedata {
2764	load_facedata "$DATADIR/facedata"	3642	load_facedata "$DATADIR/facedata"
2765	or die "unable to load facedata\n";	3643	or die "unable to load facedata\n";
2766	}	3644	}
2767		3645
2768	sub reload_archetypes {	3646	sub reload_archetypes {
2769	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
2770	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
2771	#d# NEED to laod twice to resolve forward references
2772	# this really needs to be done in an extra post-pass
2773	# (which needs to be synchronous, so solve it differently)
2774	load_resource_file "$DATADIR/archetypes"
2775	or die "unable to load archetypes\n";
2776	}	3649	}
2777		3650
2778	sub reload_treasures {	3651	sub reload_treasures {
2779	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
2780	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
2781	}	3654	}
2782		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
2783	sub reload_resources {	3676	sub reload_resources {
2784	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
2785		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
2786	reload_regions;	3684	reload_regions;
2787	reload_facedata;
2788	#reload_archetypes;#d#
2789	reload_archetypes;
2790	reload_treasures;	3685	reload_treasures;
2791		3686
2792	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
2793	}	3688	}
2794		3689
2795	sub init {	3690	sub reload_config {
2796	reload_resources;	3691	trace "reloading config file...\n";
2797	}
2798		3692
2799	sub cfg_load {	3693	my $config = load_file "$CONFDIR/config";
2800	open my $fh, "<:utf8", "$CONFDIR/config"	3694	utf8::decode $config;
2801	or return;	3695	*CFG = decode_yaml $config;
2802		3696
2803	local $/;
2804	*CFG = YAML::Syck::Load <$fh>;
2805
2806	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2807		3698
2808	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2809	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2810		3701
2811	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
2815	};	3706	};
2816	warn $@ if $@;	3707	warn $@ if $@;
2817	}	3708	}
2818	}	3709	}
2819		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
2820	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
2821	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
2822	local $Coro::idle = sub {	3750	$Coro::idle = sub {
2823	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2824	(async {	3752	(async {
2825	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
2826	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
2827	};	3756	};
2828		3757
2829	cfg_load;	3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
		3770	reload_config;
2830	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
2831	load_extensions;	3781	load_extensions;
2832		3782
2833	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
2834	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
2835	}	3800	}
2836		3801
2837	#############################################################################	3802	#############################################################################
2838	# initialisation and cleanup	3803	# initialisation and cleanup
2839		3804
2840	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
2841	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
2842	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
2843	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2844	reentrant => 0,
2845	data => WF_AUTOCANCEL,
2846	signal => $signal,
2847	prio => 0,
2848	cb => sub {
2849	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
2850	},
2851	);	3811	};
2852	}	3812	}
2853	}	3813	}
2854		3814
2855	sub write_runtime {	3815	sub write_runtime_sync {
2856	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
2857		3817
2858	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
2859	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
2860		3820
2861	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2862		3822
2863	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
2864		3824
2865	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2866	or return;	3826	or return;
2867		3827
2868	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
2869	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
2870	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
2880	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
2881		3841
2882	close $fh	3842	close $fh
2883	or return;	3843	or return;
2884		3844
2885	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2886	and return;	3846	and return;
2887		3847
2888	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2889		3849
2890	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
2891	}	3901	}
2892		3902
2893	sub emergency_save() {	3903	sub emergency_save() {
2894	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
2895		3905
2896	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
2897		3912
2898	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
2899	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
2900	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
2901	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
2902	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
2903	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
2904	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
2905	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2906	$pl->save;	3924	$pl->save;
2907	}	3925	}
2908	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
2909		3927
2910	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
2911	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
2912	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
2913	$map->valid or next;	3933	$map->valid or next;
2914	$map->save;	3934	$map->save;
2915	}	3935	}
2916	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
2917		3937
2918	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
2919	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
2920	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
2921	};	3966	};
2922		3967
2923	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
2924	}	3969	}
2925		3970
2926	sub post_cleanup {	3971	sub post_cleanup {
2927	my ($make_core) = @_;	3972	my ($make_core) = @_;
2928		3973
		3974	IO::AIO::flush;
		3975
2929	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
2930	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
2931	}	4006	}
2932		4007
2933	sub do_reload_perl() {	4008	sub do_reload_perl() {
2934	# can/must only be called in main	4009	# can/must only be called in main
2935	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
2936	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
2937	return;	4012	return;
2938	}	4013	}
2939		4014
2940	warn "reloading...";	4015	return if $RELOAD++;
2941		4016
2942	warn "entering sync_job";	4017	my $t1 = AE::time;
2943		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
2944	cf::sync_job {	4025	cf::sync_job {
2945	cf::write_runtime; # external watchdog should not bark
2946	cf::emergency_save;	4026	#cf::emergency_save;
2947	cf::write_runtime; # external watchdog should not bark
2948		4027
2949	warn "syncing database to disk";
2950	BDB::db_env_txn_checkpoint $DB_ENV;
2951
2952	# if anything goes wrong in here, we should simply crash as we already saved
2953
2954	warn "cancelling all WF_AUTOCANCEL watchers";
2955	for (Event::all_watchers) {
2956	$_->cancel if $_->data & WF_AUTOCANCEL;
2957	}
2958
2959	warn "flushing outstanding aio requests";
2960	for (;;) {
2961	BDB::flush;
2962	IO::AIO::flush;
2963	Coro::cede;
2964	last unless IO::AIO::nreqs || BDB::nreqs;
2965	warn "iterate...";
2966	}
2967
2968	++$RELOAD;
2969
2970	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
2971	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
2972	%EXT_CORO = ();	4030	%EXT_CORO = ();
2973		4031
2974	warn "removing commands";	4032	trace "perl_reload: removing commands";
2975	%COMMAND = ();	4033	%COMMAND = ();
2976		4034
2977	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
2978	%EXTCMD = ();	4036	%EXTCMD = ();
2979	%EXTICMD = ();	4037	%EXTICMD = ();
2980		4038
2981	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
2982	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
2983	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
2984		4042
2985	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
2986	eval {	4044	eval {
2987	$cb->($pkg);	4045	$cb->($pkg);
2988	1	4046	1
2989	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
2990	}	4052	}
2991		4053
2992	warn "... nuking $pkg";
2993	Symbol::delete_package $pkg;
2994	}
2995
2996	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2997	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
2998	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2999		4057
3000	warn "... unloading $k";	4058	trace "... unloading $k";
3001	delete $INC{$k};	4059	delete $INC{$k};
3002		4060
3003	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3004	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3005		4063
3006	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3007	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3008	}	4069	}
3009		4070
3010	Symbol::delete_package $k;
3011	}
3012
3013	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3014	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3015	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3016		4074
3017	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3018	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3019	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3020		4078
3021	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3022	# and global variables created in xs	4080	# and global variables created in xs
3023	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3024		4082
3025	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3026		4084
3027	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3028	require cf;	4086	require cf;
3029	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3030		4088
3031	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3032	cf::cfg_load;	4090	cf::reload_config;
3033		4091
3034	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3035	cf::load_extensions;	4093	cf::load_extensions;
3036		4094
		4095	if ($REATTACH_ON_RELOAD) {
3037	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3038	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3039	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3040	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3041	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3042	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3043		4103
3044	warn "leaving sync_job";	4104	cf::_post_init 1;
3045		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3046	1	4108	1
3047	} or do {	4109	} or do {
3048	warn $@;	4110	error $@;
3049	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3050	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3051	};	4115	}
3052		4116
3053	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3054	};	4119	};
3055		4120
3056	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3057		4122
3058	sub reload_perl() {	4123	sub reload_perl() {
3059	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3060	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3061		4126
3062	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3063	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3064	after => 0,	4129
3065	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3066	cb => sub {
3067	do_reload_perl;	4131	do_reload_perl;
3068	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3069	},	4133	};
3070	);	4134	};
3071	}	4135	}
3072		4136
3073	register_command "reload" => sub {	4137	register_command "reload" => sub {
3074	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3075		4139
3076	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3077	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3078	async { reload_perl };	4144	reload_perl;
		4145	};
3079	}	4146	}
3080	};	4147	};
3081		4148
3082	unshift @INC, $LIBDIR;	4149	#############################################################################
3083		4150
3084	my $bug_warning = 0;	4151	my $bug_warning = 0;
3085		4152
3086	our @WAIT_FOR_TICK;
3087	our @WAIT_FOR_TICK_BEGIN;
3088
3089	sub wait_for_tick {	4153	sub wait_for_tick() {
3090	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3091	return if $Coro::current == $Coro::main;
3092		4155
3093	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3094	push @WAIT_FOR_TICK, $signal;
3095	$signal->wait;
3096	}	4157	}
3097		4158
3098	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3099	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3100	return if $Coro::current == $Coro::main;
3101		4161
3102	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3103	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3104	$signal->wait;	4164	$signal->wait;
3105	}	4165	}
3106		4166
3107	my $min = 1e6;#d#	4167	sub tick {
3108	my $avg = 10;
3109	$TICK_WATCHER = Event->timer (
3110	reentrant => 0,
3111	parked => 1,
3112	prio => 0,
3113	at => $NEXT_TICK || $TICK,
3114	data => WF_AUTOCANCEL,
3115	cb => sub {
3116	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3117	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3118	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3119	return;	4171	return;
3120	}	4172	}
3121		4173
3122	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3123		4175
3124	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3125		4177
3126	0 && sync_job {#d#	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3127	for(1..10) {	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3128	my $t = Event::time;	4180	Coro::async_pool {
3129	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4181	$Coro::current->{desc} = "runtime saver";
3130	or die;	4182	write_runtime_sync
3131		4183	or error "ERROR: unable to write runtime file: $!";
3132	$map->width (50);
3133	$map->height (50);
3134	$map->alloc;
3135	$map->_load_objects ("/tmp/x.map", 1);
3136	my $t = Event::time - $t;
3137
3138	#next unless $t < 0.0013;#d#
3139	if ($t < $min) {
3140	$min = $t;
3141	}
3142	$avg = $avg * 0.99 + $t * 0.01;
3143	}
3144	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3145	exit 0;
3146	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3147	};	4184	};
		4185	}
3148		4186
3149	$RUNTIME += $TICK;
3150	$NEXT_TICK += $TICK;
3151
3152	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3153	$NEXT_RUNTIME_WRITE = $NOW + 10;
3154	Coro::async_pool {
3155	write_runtime
3156	or warn "ERROR: unable to write runtime file: $!";
3157	};
3158	}
3159
3160	# my $AFTER = Event::time;
3161	# warn $AFTER - $NOW;#d#
3162
3163	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3164	$sig->send;	4188	$sig->send;
3165	}	4189	}
3166	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3167	$sig->send;
3168	}
3169		4191
3170	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3171
3172	# if we are delayed by four ticks or more, skip them all
3173	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3174
3175	$TICK_WATCHER->at ($NEXT_TICK);
3176	$TICK_WATCHER->start;
3177
3178	$LOAD = ($NOW - $tick_start) / $TICK;
3179	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3180		4194
3181	_post_tick;	4195	if (0) {
3182		4196	if ($NEXT_TICK) {
3183		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3184	},	4201	}
3185	);	4202	}
3186		4203
3187	{	4204	{
3188	BDB::max_poll_time $TICK * 0.1;	4205	# configure BDB
3189	$BDB_POLL_WATCHER = Event->io (	4206
3190	reentrant => 0,
3191	fd => BDB::poll_fileno,
3192	poll => 'r',
3193	prio => 0,
3194	data => WF_AUTOCANCEL,
3195	cb => \&BDB::poll_cb,
3196	);
3197	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3198		4208	BDB::max_poll_reqs $TICK * 0.1;
3199	BDB::set_sync_prepare {	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3200	my $status;
3201	my $current = $Coro::current;
3202	(
3203	sub {
3204	$status = $!;
3205	$current->ready; undef $current;
3206	},
3207	sub {
3208	Coro::schedule while defined $current;
3209	$! = $status;
3210	},
3211	)
3212	};
3213		4210
3214	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3215	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
		4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3216		4218
3217	cf::sync_job {	4219	cf::sync_job {
3218	eval {	4220	eval {
3219	BDB::db_env_open	4221	BDB::db_env_open
3220	$DB_ENV,	4222	$DB_ENV,
…		…
3222	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4224	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3223	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4225	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3224	0666;	4226	0666;
3225		4227
3226	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4228	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3227
3228	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3229	$DB_ENV->set_lk_detect;
3230	};	4229	};
3231		4230
3232	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3233	};	4232	};
3234	}	4233	}
		4234
		4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4237	};
		4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4240	};
		4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4243	};
3235	}	4244	}
3236		4245
3237	{	4246	{
		4247	# configure IO::AIO
		4248
3238	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3239
3240	undef $Coro::AIO::WATCHER;
3241	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3242	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3243	reentrant => 0,
3244	data => WF_AUTOCANCEL,
3245	fd => IO::AIO::poll_fileno,
3246	poll => 'r',
3247	prio => 6,
3248	cb => \&IO::AIO::poll_cb,
3249	);
3250	}	4252	}
3251		4253
3252	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3253		4256
3254	sub _log_backtrace {	4257	sub _log_backtrace {
3255	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3256		4259
3257	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3258		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3259	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3260	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3261	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3262	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3263	my @bt = fork_call {	4273	my @bt = fork_call {
3264	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3265	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3266	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3267	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3275	}	4285	}
3276		4286
3277	@funcs	4287	@funcs
3278	};	4288	};
3279		4289
3280	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3281	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3282	--$_log_backtrace;	4293	--$_log_backtrace;
3283	};	4294	};
3284	} else {	4295	} else {
3285	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3286	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3287	}	4298	}
3288	}	4299	}
3289		4300
3290	# load additional modules	4301	# load additional modules
3291	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3292		4304
3293	END { cf::emergency_save }	4305	END { cf::emergency_save }
3294		4306
3295	1	4307	1
3296		4308

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