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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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 ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	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;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
56		95
57	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
59		100
60	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
61	our $DATADIR = datadir;	103	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
65	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
70	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;
71		124
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	143	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		144
80	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
91		148
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		151
95	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)
96	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
97	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
98		164
99	binmode STDOUT;	165	binmode STDOUT;
100	binmode STDERR;	166	binmode STDERR;
101		167
102	# read virtual server time, if available	168	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
107	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
108		176
109	mkdir $_	177	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		179
112	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
113		181
114	sub cf::map::normalise;	182	sub cf::map::normalise;
115		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
116	#############################################################################	188	#############################################################################
117		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
118	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
119		202
120	=over 4	203	=over 4
121		204
122	=item $cf::UPTIME	205	=item $cf::UPTIME
123		206
124	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.
125		223
126	=item $cf::RUNTIME	224	=item $cf::RUNTIME
127		225
128	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
129	every server tick.	227	every server tick.
130		228
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		232
135	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
138	database environment.	236	database environment.
139		237
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	238	=item $cf::LOADAVG
149		239
150	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
155		245
156	The raw value load value from the last tick.	246	The raw value load value from the last tick.
157		247
158	=item %cf::CFG	248	=item %cf::CFG
159		249
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	251	from wherever your confdir points to.
162		252
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		254
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
169	=back	288	=back
170		289
171	=cut	290	=cut
172		291
173	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
174	*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 {
175	my $msg = join "", @_;	299	my $msg = join "", @_;
176		300
177	$msg .= "\n"	301	$msg .= "\n"
178	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
179		303
180	$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;
181		305
182	utf8::encode $msg;
183	LOG llevError, $msg;	306	LOG llevWarn, $msg;
184	};	307	};
185	}	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	};
186		322
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	333	for my $pkg (qw(
198	cf::global cf::attachable	334	cf::global cf::attachable
199	cf::object cf::object::player	335	cf::object cf::object::player
200	cf::client cf::player	336	cf::client cf::player
201	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
202	cf::map cf::party cf::region	339	cf::party cf::region
203	)) {	340	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	342	}
207		343
208	$Event::DIED = sub {	344	$EV::DIED = sub {
209	warn "error in event callback: @_";	345	warn "error in event callback: $@";
210	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
211		352
212	#############################################################################	353	#############################################################################
213		354
214	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
215		356
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	378	$d
238	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
239	}	380	}
240		381
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	382	=item $scalar = cf::load_file $path
242		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
		442	=cut
		443
		444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		445
		446	sub encode_json($) { $json_coder->encode ($_[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	}
		510
251	=item cf::lock_wait $string	511	=item cf::lock_wait $string
252		512
253	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
254		514
255	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
256		516
257	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
258	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,
259	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
260	returned.	520	returned.
261		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
262	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
263	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
264		527
265	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
266		529
267	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.
268		531
269	=cut	532	=cut
270		533
271	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
272		535
273	sub lock_wait($) {	536	sub lock_wait($) {
274	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	538	}
282		539
283	sub lock_acquire($) {	540	sub lock_acquire($) {
284	my ($key) = @_;	541	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	542	}
296		543
297	sub lock_active($) {	544	sub lock_active($) {
298	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	546	}
302		547
303	sub freeze_mainloop {	548	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
305		550
306	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
307	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
308	};	621	}
309	$TICK_WATCHER->stop;	622	};
310	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
311	}	637	}
312		638
313	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
314		640
315	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		646
321	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
322		648
323	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
324		650
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	654	acceptable.
329		655
330	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	661	=cut
336		662
337	sub sync_job(&) {	663	sub sync_job(&) {
338	my ($job) = @_;	664	my ($job) = @_;
339		665
340	if ($Coro::current == $Coro::main) {	666	if (in_main) {
341	my $time = Event::time;	667	my $time = AE::time;
342		668
343	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
345		671
346	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	673
348	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
349		675
350	my $busy = 1;	676	my $busy = 1;
351	my @res;	677	my @res;
352		678
353	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	681	@res = eval { $job->() };
355	warn $@ if $@;	682	error $@ if $@;
356	undef $busy;	683	undef $busy;
357	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
358		685
359	while ($busy) {	686	while ($busy) {
360	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
361	}	691	}
		692	}
362		693
363	$time = Event::time - $time;	694	my $time = AE::time - $time;
364		695
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
369		697
370	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
371	} else {	699	} else {
372	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
373		701
…		…
393	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
394		722
395	$coro	723	$coro
396	}	724	}
397		725
398	=item fork_call { }, $args	726	=item fork_call { }, @args
399		727
400	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
404		732
405	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
406		738
407	sub fork_call(&@) {	739	sub fork_call(&@) {
408	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
409		741
410	# 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,
411	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		745
415	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
416	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
417		750
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	752	}
420		753
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	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
440	}	790	}
441		791
442	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
443		793
444	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
447		797
448	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
449	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).
450		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
451	=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	}
452		827
453	our $DB;	828	our $DB;
454		829
455	sub db_init {	830	sub db_init {
456	unless ($DB) {	831	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	832	}
471		833
472	sub db_get($$) {	834	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
474		836
475	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
476	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
477		841
478	$! ? ()	842	$! ? ()
479	: $data	843	: $data
480	}
481	}	844	}
482		845
483	sub db_put($$$) {	846	sub db_put($$$) {
484	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		876
514	my @data;	877	my @data;
515	my $md5;	878	my $md5;
516		879
517	for (0 .. $#$src) {	880	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	882	}
521		883
522	# if processing is expensive, check	884	# if processing is expensive, check
523	# checksum first	885	# checksum first
524	if (1) {	886	if (1) {
525	$md5 =	887	$md5 =
526	join "\x00",	888	join "\x00",
527	$processversion,	889	$processversion,
528	map {	890	map {
529	Coro::cede;	891	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	893	} 0.. $#$src;
532		894
533		895
534	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		903
542	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	905	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
545		907
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		909
548	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
551		913
…		…
561		923
562	=cut	924	=cut
563		925
564	sub datalog($@) {	926	sub datalog($@) {
565	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	929	}
568		930
569	=back	931	=back
570		932
571	=cut	933	=cut
572		934
573	#############################################################################	935	#############################################################################
574		936
575	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
576		938
577	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
578	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")
579	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
580		942
581	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>
582	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
583	Crossfire TRT).	945	Deliantra).
584		946
585	=over 4	947	=over 4
586		948
587	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
588		950
…		…
632	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
633		995
634	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
635	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
636		998
637	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
638	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.
639		1001
640	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
641		1003
642	=over 4	1004	=over 4
…		…
766		1128
767	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1131
770	} elsif (ref $type) {	1132	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
772		1134
773	} else {	1135	} else {
774	shift @arg;	1136	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
776	}	1138	}
777	}	1139	}
778	}	1140	}
779		1141
780	sub _object_attach {	1142	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
791	}	1153	}
792		1154
793	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
794	} else {	1156	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1158	}
797		1159
798	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
799	}	1161	}
800		1162
…		…
840	";	1202	";
841	die if $@;	1203	die if $@;
842	}	1204	}
843		1205
844	our $override;	1206	our $override;
845	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?
846		1208
847	sub override {	1209	sub override {
848	$override = 1;	1210	$override = 1;
849	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
850	}	1212	}
851		1213
852	sub do_invoke {	1214	sub do_invoke {
853	my $event = shift;	1215	my $event = shift;
854	my $callbacks = shift;	1216	my $callbacks = shift;
855		1217
856	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
857		1219
858	local $override;	1220	local $override;
859		1221
860	for (@$callbacks) {	1222	for (@$callbacks) {
861	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
862		1224
863	if ($@) {	1225	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1227	override;
867	}	1228	}
868		1229
869	return 1 if $override;	1230	return 1 if $override;
870	}	1231	}
871		1232
872	0	1233	0
873	}	1234	}
874		1235
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1237
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1239
879	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
880		1241
881	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
882	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
883	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1245
885	=back	1246	=back
886		1247
887	=cut	1248	=cut
888		1249
889	#############################################################################	1250	#############################################################################
890	# 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	}
891		1294
892	sub reattach {	1295	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1297	my ($obj) = @_;
895		1298
		1299	# no longer needed after getting rid of delete_package?
896	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
897		1301
898	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
899		1303
900	@$registry = ();	1304	@$registry = ();
901		1305
…		…
906	for (@$attach) {	1310	for (@$attach) {
907	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
909	}	1313	}
910	} else {	1314	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1316	}
913	}	1317	}
914	}	1318	}
915		1319
916	cf::attachable->attach (	1320	cf::attachable->attach (
917	prio => -1000000,	1321	prio => -1000000,
918	on_instantiate => sub {	1322	on_instantiate => sub {
919	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
920		1324
921	$data = from_json $data;	1325	$data = decode_json $data;
922		1326
923	for (@$data) {	1327	for (@$data) {
924	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
925		1329
926	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1346	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
944		1348
945	sync_job {	1349	sync_job {
946	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
949		1355
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1363	aio_close $fh;
955		1364
956	if (@$objs) {	1365	if (@$objs) {
957	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) {
958	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
961	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	}
962	close $fh;	1374	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
964	}	1376	}
965	} else {	1377	} else {
966	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
967	}	1379	}
968		1380
969	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1385	} else {
971	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
972	}	1387	}
973	} else {	1388	} else {
974	aio_unlink $filename;	1389	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
976	}	1391	}
977	}	1392	};
978	}	1393	}
979		1394
980	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
982		1397
…		…
994	or return;	1409	or return;
995		1410
996	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
998	or return;	1413	or return;
		1414
999	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1000	}	1417	}
1001		1418
		1419	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1004	return ($data, $av);	1424	($data, $av)
1005	}	1425	}
1006		1426
1007	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1008		1428
1009	=over 4	1429	=over 4
…		…
1011	=cut	1431	=cut
1012		1432
1013	#############################################################################	1433	#############################################################################
1014	# command handling &c	1434	# command handling &c
1015		1435
1016	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1017		1437
1018	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1019	$name.	1439	$name.
1020		1440
1021	=cut	1441	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1028		1448
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1450	}
1031		1451
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1033		1453
1034	Register a callback fro execution when the client sends an extcmd packet.	1454	Register a callback for execution when the client sends an (synchronous)
		1455	extcmd packet. Ext commands will be processed in the order they are
		1456	received by the server, like other user commands. The first argument is
		1457	the logged-in player. Ext commands can only be processed after a player
		1458	has logged in successfully.
1035		1459
1036	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1037	called.	1461	called.
1038		1462
		1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
		1464
		1465	Register a callback for execution when the client sends an (asynchronous)
		1466	exticmd packet. Exti commands are processed by the server as soon as they
		1467	are received, i.e. out of order w.r.t. other commands. The first argument
		1468	is a client socket. Exti commands can be received anytime, even before
		1469	log-in.
		1470
		1471	If the callback returns something, it is sent back as if reply was being
		1472	called.
		1473
1039	=cut	1474	=cut
1040		1475
1041	sub register_extcmd {	1476	sub register_extcmd {
1042	my ($name, $cb) = @_;	1477	my ($name, $cb) = @_;
1043		1478
1044	$EXTCMD{$name} = $cb;	1479	$EXTCMD{$name} = $cb;
1045	}	1480	}
1046		1481
		1482	sub register_exticmd {
		1483	my ($name, $cb) = @_;
		1484
		1485	$EXTICMD{$name} = $cb;
		1486	}
		1487
		1488	use File::Glob ();
		1489
1047	cf::player->attach (	1490	cf::player->attach (
1048	on_command => sub {	1491	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1050		1493
1051	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1052	or return;	1495	or return;
1053		1496
…		…
1058	cf::override;	1501	cf::override;
1059	},	1502	},
1060	on_extcmd => sub {	1503	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1062		1505
1063	my $msg = eval { from_json $buf };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1507
1065	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1068	$pl->ext_reply ($msg->{msgid}, %reply);
1069	}
1070	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
1071	} else {	1520	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1522	}
1074		1523
1075	cf::override;	1524	cf::override;
1076	},	1525	},
1077	);	1526	);
1078		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
1079	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1080	cf::sync_job {	1557	cf::sync_job {
1081	my %todo;	1558	my %todo;
1082		1559
1083	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1561	next unless -r $path;
…		…
1102		1579
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1582
1106	$ext{source} =	1583	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1109	. $source	1586	. $source
1110	. "\n};\n1";	1587	. "\n};\n1";
1111		1588
1112	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1113	}	1590	}
1114		1591
		1592	my $pass = 0;
1115	my %done;	1593	my %done;
1116	while (%todo) {	1594	while (%todo) {
1117	my $progress;	1595	my $progress;
1118		1596
		1597	++$pass;
		1598
		1599	ext:
1119	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1602	next ext
1122	unless exists $done{$_};	1603	unless exists $done{$_};
1123	}	1604	}
1124		1605
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1607
1127	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 $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1132	warn $msg;	1624
1133	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1626	delete $todo{$k};
1135	}	1627	} else {
1136		1628	$done{$k} = delete $todo{$k};
1137	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1138	}	1634	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1635	}
1144		1636
1145	skip:	1637	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	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	}
1148	}	1647	}
1149	};	1648	};
1150	}	1649	}
1151		1650
1152	#############################################################################	1651	#############################################################################
1153		1652
1154	=back	1653	=back
1155		1654
1156	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1157		1656
1158	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1159		1658
1160	=cut	1659	=cut
1161		1660
1162	package cf::player;	1661	package cf::player;
1163		1662
1164	use Coro::AIO;	1663	use Coro::AIO;
1165		1664
1166	=head3 cf::player	1665	=head3 cf::player
1167		1666
1168	=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	}
1169		1682
1170	=item cf::player::find $login	1683	=item cf::player::find $login
1171		1684
1172	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1173		1686
…		…
1192		1705
1193	sub exists($) {	1706	sub exists($) {
1194	my ($login) = @_;	1707	my ($login) = @_;
1195		1708
1196	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1198	}	1711	}
1199		1712
1200	sub find($) {	1713	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1715	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1726
1214	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1215	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;
1216	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1217	}	1736	}
1218	}	1737	}
1219	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1220		1752
1221	sub save($) {	1753	sub save($) {
1222	my ($pl) = @_;	1754	my ($pl) = @_;
1223		1755
1224	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1230		1762
1231	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1233		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
1234	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1235	Coro::cede;	1772	cf::cede_to_tick;
1236	}	1773	}
1237		1774
1238	sub new($) {	1775	sub new($) {
1239	my ($login) = @_;	1776	my ($login) = @_;
1240		1777
…		…
1246	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1247		1784
1248	$self	1785	$self
1249	}	1786	}
1250		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
1251	=item $pl->quit_character	1798	=item $pl->quit_character
1252		1799
1253	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1255		1802
…		…
1259	my ($pl) = @_;	1806	my ($pl) = @_;
1260		1807
1261	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1262		1809
1263	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1264	$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
1265		1812
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1269	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1270		1821
1271	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1308	or return [];	1859	or return [];
1309		1860
1310	my @logins;	1861	my @logins;
1311		1862
1312	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") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1316		1873
1317	utf8::decode $login;	1874	utf8::decode $login;
1318	push @logins, $login;	1875	push @logins, $login;
1319	}	1876	}
1320		1877
1321	\@logins	1878	\@logins
1322	}	1879	}
1323		1880
1324	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1325		1884
1326	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1327	player. May block.	1886	player. May block.
1328		1887
1329	=cut	1888	=cut
…		…
1347	}	1906	}
1348		1907
1349	\@paths	1908	\@paths
1350	}	1909	}
1351		1910
1352	=item $player->ext_reply ($msgid, %msg)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1912
1354	Sends an ext reply to the player.	1913	Expand deliantra pod fragments into protocol xml.
1355		1914
1356	=cut
1357
1358	sub ext_reply($$%) {
1359	my ($self, $id, %msg) = @_;
1360
1361	$msg{msgid} = $id;
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}
1365
1366	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1367		1916
1368	Sends an ext event to the client.	1917	Sends an ext event to the client.
1369		1918
1370	=cut	1919	=cut
1371		1920
1372	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1374		1923
1375	$self->ns->ext_event ($type, %msg);	1924	$self->ns->ext_msg ($type, @msg);
1376	}	1925	}
1377		1926
1378	=head3 cf::region	1927	=head3 cf::region
1379		1928
1380	=over 4	1929	=over 4
…		…
1390	=cut	1939	=cut
1391		1940
1392	sub find_by_path($) {	1941	sub find_by_path($) {
1393	my ($path) = @_;	1942	my ($path) = @_;
1394		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
		1945
1395	my ($match, $specificity);	1946	my ($match, $specificity);
1396		1947
1397	for my $region (list) {	1948	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1949	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1950	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1951	if $region->specificity > $specificity;
1401	}	1952	}
1402	}	1953	}
1403		1954
…		…
1424	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1426		1977
1427	sub generate_random_map {	1978	sub generate_random_map {
1428	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1430	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	1984	}
1444		1985
1445	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1446		1987
1447	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1452		1993
1453	sub register {	1994	sub register {
1454	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	1996	my $pkg = caller;
1456		1997
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		1999
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2001	}
1462		2002
1463	# also paths starting with '/'	2003	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2005
1466	sub thawer_merge {	2006	sub thawer_merge {
1467	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1468		2008
1469	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1474	}	2014	}
1475		2015
1476	sub normalise {	2016	sub normalise {
1477	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1478		2018
1479	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1480		2020
1481	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1482		2022
1483	# map plan:	2023	# map plan:
1484	#	2024	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2040	$path = "$base/$path";
1501	}	2041	}
1502		2042
1503	for ($path) {	2043	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1507	}	2046	}
1508		2047
1509	$path	2048	$path
…		…
1523	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1524	return $self;	2063	return $self;
1525	}	2064	}
1526	}	2065	}
1527		2066
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2068	()
1530	}	2069	}
1531		2070
		2071	# may re-bless or do other evil things
1532	sub init {	2072	sub init {
1533	my ($self) = @_;	2073	my ($self) = @_;
1534		2074
1535	$self	2075	$self
1536	}	2076	}
…		…
1555		2095
1556	# the temporary/swap location	2096	# the temporary/swap location
1557	sub save_path {	2097	sub save_path {
1558	my ($self) = @_;	2098	my ($self) = @_;
1559		2099
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1562	}	2102	}
1563		2103
1564	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1565	sub uniq_path {	2105	sub uniq_path {
1566	my ($self) = @_;	2106	my ($self) = @_;
1567		2107
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2110	}
1580		2111
1581	sub decay_objects {	2112	sub decay_objects {
1582	my ($self) = @_;	2113	my ($self) = @_;
1583		2114
…		…
1596		2127
1597	sub load_header_from($) {	2128	sub load_header_from($) {
1598	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1599		2130
1600	utf8::encode $path;	2131	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2133	or return;
1606		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1607	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1608		2142
1609	1	2143	1
1610	}	2144	}
1611		2145
		2146	# used to laod the header of an original map
1612	sub load_header_orig {	2147	sub load_header_orig {
1613	my ($self) = @_;	2148	my ($self) = @_;
1614		2149
1615	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1616	}	2151	}
1617		2152
		2153	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2154	sub load_header_temp {
1619	my ($self) = @_;	2155	my ($self) = @_;
1620		2156
1621	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1622	}	2158	}
1623		2159
		2160	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2161	sub prepare_temp {
1625	my ($self) = @_;	2162	my ($self) = @_;
1626		2163
1627	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1629	# safety	2166	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2169	}
1633		2170
		2171	# called after loading the header from an original map
1634	sub prepare_orig {	2172	sub prepare_orig {
1635	my ($self) = @_;	2173	my ($self) = @_;
1636		2174
1637	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2200
1663	sub find;	2201	sub find;
1664	sub find {	2202	sub find {
1665	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1666		2204
		2205	cf::cede_to_tick;
		2206
1667	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1668		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2211
1671	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1674	or return;	2214	or return;
1675		2215
1676	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1677		2217
…		…
1679	or return;	2219	or return;
1680		2220
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1684	$map->reset;	2226	$map->reset;
1685	undef $guard;
1686	return find $path;	2227	return find $path;
1687	}	2228	}
1688		2229
1689	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1690	}	2231	}
1691	}	2232	}
1692		2233
1693	sub pre_load { }	2234	sub pre_load { }
1694	sub post_load { }	2235	#sub post_load { } # XS
1695		2236
1696	sub load {	2237	sub load {
1697	my ($self) = @_;	2238	my ($self) = @_;
1698		2239
1699	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1700		2241
1701	my $path = $self->{path};	2242	my $path = $self->{path};
1702		2243
1703	{	2244	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1705		2246
		2247	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2249
1710	$self->alloc;	2250	$self->alloc;
1711		2251
1712	$self->pre_load;	2252	$self->pre_load;
1713	Coro::cede;	2253	cf::cede_to_tick;
1714		2254
1715	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1716	or return;	2259	or return;
1717		2260
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1719	if delete $self->{load_original};	2262	if delete $self->{load_original};
1720		2263
1721	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2265	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2268	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1726	}	2273	}
1727	}
1728		2274
1729	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1730	# now do the right thing for maps	2284	# now do the right thing for maps
1731	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2287	unless $self->difficulty;
1734	Coro::cede;	2288	cf::cede_to_tick;
1735		2289
1736	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2291	$self->decay_objects;
1738	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
1739	$self->update_buttons;	2293	$self->update_buttons;
1740	Coro::cede;	2294	cf::cede_to_tick;
1741	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2296	}
1745		2297
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1747	}	2300	}
1748		2301
1749	$self->post_load;	2302	$self->post_load;
1750	}
1751		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2310	sub customise_for {
1753	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1754		2312
1755	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2314	if $self->per_player;
…		…
1759	# if $self->per_party;	2317	# if $self->per_party;
1760		2318
1761	$self	2319	$self
1762	}	2320	}
1763		2321
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2322	sub find_sync {
1789	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1790		2324
1791	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1792	}	2330	}
1793		2331
1794	sub do_load_sync {	2332	sub do_load_sync {
1795	my ($map) = @_;	2333	my ($map) = @_;
1796		2334
1797	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1798	}	2340	}
1799		2341
1800	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1802		2344
1803	sub find_async {	2345	sub find_async {
1804	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1805		2347
1806	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1807		2349
1808	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1810	}	2352	}
1811		2353
1812	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1813	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1814	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2361	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2362	$map->load if $v;
		2363	}
1819		2364
1820	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1821	}	2366	}
1822	}	2367	}
1823	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1824	};	2369	};
1825	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1826		2371
1827	()	2372	()
1828	}	2373	}
1829		2374
		2375	# common code, used by both ->save and ->swapout
1830	sub save {	2376	sub _save {
1831	my ($self) = @_;	2377	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2378
1835	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1836		2380
1837	return unless $self->dirty;	2381	return unless $self->dirty;
1838		2382
…		…
1844	return if $self->{deny_save};	2388	return if $self->{deny_save};
1845		2389
1846	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1847		2391
1848	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1850	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1851		2398
1852	if ($uniq) {	2399	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2402	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2404	}
1858	}	2405	}
1859		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1860	sub swap_out {	2415	sub swap_out {
1861	my ($self) = @_;	2416	my ($self) = @_;
1862		2417
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1868	return if $self->players;	2422	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1872	$self->clear;	2433	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2434	}
1875		2435
1876	sub reset_at {	2436	sub reset_at {
1877	my ($self) = @_;	2437	my ($self) = @_;
1878		2438
…		…
1896		2456
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2458
1899	return if $self->players;	2459	return if $self->players;
1900		2460
1901	warn "resetting map ", $self->path;	2461	cf::trace "resetting map ", $self->path, "\n";
1902		2462
1903	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
1904		2464
1905	# need to save uniques path	2465	# need to save uniques path
1906	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2468
…		…
1910	if $uniq;	2470	if $uniq;
1911	}	2471	}
1912		2472
1913	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
1914		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2477	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2478
1919	$self->unlink_save;	2479	$self->unlink_save;
1920	$self->destroy;	2480	$self->destroy;
1921	}	2481	}
1922		2482
1923	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
1924		2484
1925	sub nuke {	2485	sub nuke {
1926	my ($self) = @_;	2486	my ($self) = @_;
1927		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
1928	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
1929		2492
1930	$self->unlink_save;	2493	$self->unlink_save;
1931		2494
1932	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2500
1938	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
1939		2503
1940	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
1941	}	2505	}
1942		2506
1943	=item $maps = cf::map::tmp_maps	2507	=item $maps = cf::map::tmp_maps
…		…
1985		2549
1986	sub unique_maps() {	2550	sub unique_maps() {
1987	[	2551	[
1988	map {	2552	map {
1989	utf8::decode $_;	2553	utf8::decode $_;
1990	/\.map$/	2554	s/\.map$//; # TODO future compatibility hack
		2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2556	? ()
1991	? normalise $_	2557	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2559	]
1995	}	2560	}
1996		2561
1997	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
1998		2593
1999	=back	2594	=back
2000		2595
2001	=head3 cf::object	2596	=head3 cf::object
2002		2597
…		…
2006		2601
2007	=over 4	2602	=over 4
2008		2603
2009	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
2010		2605
2011	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
2012		2608
2013	=cut	2609	=cut
2014		2610
2015	sub inv_recursive_;	2611	sub inv_recursive_;
2016	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
2019		2615
2020	sub inv_recursive {	2616	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
2022	}	2618	}
2023		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
2024	package cf;	2648	package cf;
2025		2649
2026	=back	2650	=back
2027		2651
2028	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2037		2661
2038	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
2039		2677
2040	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2679	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
2050		2688
2051	} else {	2689	} else {
2052	my $pl = $self->contr;	2690	my $pl = $self->contr;
2053		2691
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2695
2060	} else {	2696	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2699	}
2064	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
2065	}	2711	}
2066		2712
2067	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
2068		2714
2069	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
2082		2728
2083	=item $player_object->enter_link	2729	=item $player_object->enter_link
2084		2730
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2732
2087	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2089		2737
2090	Will never block.	2738	Will never block.
2091		2739
2092	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2093		2741
…		…
2113	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2762	my ($self) = @_;
2115		2763
2116	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2117		2765
		2766	++$self->{_link_recursion};
		2767
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2769
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2122		2772
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2774	}
2125		2775
2126	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2128		2778
…		…
2145	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2147		2797
2148	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2151		2801
2152	$map->load;	2802	$map->load;
2153	$map->load_diag;
2154		2803
2155	return unless $self->contr->active;	2804	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2805
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2160	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2161		2813
		2814	}
		2815
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2817
2164	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2821	the new (success) or old (failed) map position. In either case, $done will
		2822	be called at the end of this process.
		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
2168		2826
2169	=cut	2827	=cut
2170		2828
2171	our $GOTOGEN;	2829	our $GOTOGEN;
2172		2830
2173	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2175		2839
2176	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2842
2179	$self->enter_link;	2843	$self->enter_link;
2180		2844
2181	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
2182	my $map = eval {	2867	my $map = eval {
2183	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2869
2185	if ($map) {	2870	if ($map) {
2186	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2873	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2875	}
2191		2876
2192	$map	2877	$map
2193	};	2878	};
2194		2879
…		…
2199		2884
2200	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2203	}	2888	}
		2889
		2890	$done->($self) if $done;
2204	})->prio (1);	2891	})->prio (1);
2205	}	2892	}
2206		2893
2207	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2208		2895
…		…
2228	}	2915	}
2229		2916
2230	sub prepare_random_map {	2917	sub prepare_random_map {
2231	my ($exit) = @_;	2918	my ($exit) = @_;
2232		2919
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2922	# that depends on the exit object
2238		2923
2239	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	2926	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2246	}	2933	}
2247		2934
2248	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2249		2936
2250	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2253		2940
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	2943	undef $fh;
2257	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2258		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2261	}	2952	}
2262	}	2953	}
2263		2954
2264	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2266		2957
2267	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2268		2959
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	2960	$self->enter_link;
2281		2961
2282	(async {	2962	(async {
2283	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
2284	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2285	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2286		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2287	1;	3001	1
2288	}) {	3002	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2293		3007
2294	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	3009	$self->leave_link;
2296	}	3010	}
2297	})->prio (1);	3011	})->prio (1);
2298	}	3012	}
2299		3013
…		…
2313		3027
2314	utf8::encode $text;	3028	utf8::encode $text;
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2316	}	3030	}
2317		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
		3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3058
		3059	Send a drawinfo or msg packet to the client, formatting the msg for the
		3060	client if neccessary. C<$type> should be a string identifying the type of
		3061	the message, with C<log> being the default. If C<$color> is negative, suppress
		3062	the message unless the client supports the msg packet.
		3063
		3064	=cut
		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
		3180	sub cf::client::send_msg {
		3181	my ($self, $channel, $msg, $color, @extra) = @_;
		3182
		3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
		3204
		3205	return unless @extra || length $msg;
		3206
		3207	# default colour, mask it out
		3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3209	if $color & cf::NDI_DEF;
		3210
		3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
		3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3214	);
		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
2318	=item $client->ext_event ($type, %msg)	3219	=item $client->ext_msg ($type, @msg)
2319		3220
2320	Sends an exti event to the client.	3221	Sends an ext event to the client.
2321		3222
2322	=cut	3223	=cut
2323		3224
2324	sub cf::client::ext_event($$%) {	3225	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3226	my ($self, $type, @msg) = @_;
2326		3227
2327	$msg{msgtype} = "event_$type";	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2328	$self->send_packet ("ext " . cf::to_json \%msg);
2329	}	3229	}
2330		3230
2331	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2332		3232
2333	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3234	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3235	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3236
2337	Queries can fail, so check the return code. Or don't, as queries will become	3237	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3238	become reliable at some point in the future.
2339		3239
2340	=cut	3240	=cut
2341		3241
2342	sub cf::client::query {	3242	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3243	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3251	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3252	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3253
2354	$self->send_packet ($self->{query_queue}[0][0])	3254	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3255	if @{ $self->{query_queue} } == 1;
		3256
		3257	1
2356	}	3258	}
2357		3259
2358	cf::client->attach (	3260	cf::client->attach (
		3261	on_connect => sub {
		3262	my ($ns) = @_;
		3263
		3264	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3265	},
2359	on_reply => sub {	3266	on_reply => sub {
2360	my ($ns, $msg) = @_;	3267	my ($ns, $msg) = @_;
2361		3268
2362	# this weird shuffling is so that direct followup queries	3269	# this weird shuffling is so that direct followup queries
2363	# get handled first	3270	# get handled first
…		…
2375	} else {	3282	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3283	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3284	}
2378	}	3285	}
2379	},	3286	},
		3287	on_exticmd => sub {
		3288	my ($ns, $buf) = @_;
		3289
		3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3291
		3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
		3297	if (my $cb = $EXTICMD{$type}) {
		3298	@reply = $cb->($ns, @payload);
		3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
		3304	} else {
		3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3306	}
		3307
		3308	cf::override;
		3309	},
2380	);	3310	);
2381		3311
2382	=item $client->async (\&cb)	3312	=item $client->async (\&cb)
2383		3313
2384	Create a new coroutine, running the specified callback. The coroutine will	3314	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3330
2401	$coro	3331	$coro
2402	}	3332	}
2403		3333
2404	cf::client->attach (	3334	cf::client->attach (
2405	on_destroy => sub {	3335	on_client_destroy => sub {
2406	my ($ns) = @_;	3336	my ($ns) = @_;
2407		3337
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3339	},
2410	);	3340	);
…		…
2425	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2427		3357
2428	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2429		3359
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2431		3365
2432	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2433		3367
2434	=pod	3368	=pod
2435		3369
2436	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2437		3371
2438	cf::object contr pay_amount pay_player map	3372	cf::object
		3373	contr pay_amount pay_player map x y force_find force_add destroy
		3374	insert remove name archname title slaying race decrease split
		3375	value
		3376
2439	cf::object::player player	3377	cf::object::player
2440	cf::player peaceful	3378	player
2441	cf::map trigger	3379
		3380	cf::player
		3381	peaceful
		3382
		3383	cf::map
		3384	trigger
2442		3385
2443	=cut	3386	=cut
2444		3387
2445	for (	3388	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2450	) {	3395	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3398	for @funs;
2455	}	3399	}
2456		3400
…		…
2471		3415
2472	my $qcode = $code;	3416	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2475		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2476	local $_;	3423	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3424
2479	my $eval =	3425	my $eval =
2480	"do {\n"	3426	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3429	. $code
2484	. "\n}"	3430	. "\n}"
2485	;	3431	;
2486		3432
		3433	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2490		3442
2491	if ($@) {	3443	if ($@) {
2492	warn "$@";	3444	warn "$@",
2493	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2495	}	3447	}
2496		3448
2497	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2498	}	3450	}
2499		3451
…		…
2513	=cut	3465	=cut
2514		3466
2515	sub register_script_function {	3467	sub register_script_function {
2516	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2517		3469
2518	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2520	}	3472	}
2521		3473
2522	=back	3474	=back
2523		3475
2524	=cut	3476	=cut
2525		3477
2526	#############################################################################	3478	#############################################################################
2527	# the server's init and main functions	3479	# the server's init and main functions
2528		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2529	sub load_facedata($) {	3505	sub load_facedata($) {
2530	my ($path) = @_;	3506	my ($path) = @_;
2531		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2532	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2533		3515
2534	my $facedata;	3516	my $facedata = decode_storable load_file $path;
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3517
2540	$facedata->{version} == 2	3518	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2542		3520
		3521	cf::cede_to_tick;
		3522
2543	{	3523	{
2544	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
2545		3525
2546	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3530	cf::face::set_visibility $idx, $info->{visibility};
		3531	cf::face::set_magicmap $idx, $info->{magicmap};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2551	Coro::cede;	3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
		3536
		3537	cf::cede_to_tick;
2552	}	3538	}
2553		3539
2554	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2556	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
2557	or next;	3544	or next;
		3545
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
		3547	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3549	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3551	}
2563	Coro::cede;	3552
		3553	cf::cede_to_tick;
2564	}	3554	}
2565	}	3555	}
2566		3556
2567	{	3557	{
2568	my $anims = $facedata->{animinfo};	3558	my $anims = $facedata->{animinfo};
2569		3559
2570	while (my ($anim, $info) = each %$anims) {	3560	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3561	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;	3562	cf::cede_to_tick;
2573	}	3563	}
2574		3564
2575	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
2576	}	3566	}
2577		3567
		3568	{
		3569	my $res = $facedata->{resource};
		3570
		3571	while (my ($name, $info) = each %$res) {
		3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
		3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3575
		3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
		3580	} else {
		3581	# $RESOURCE{$name} = $info; # unused
		3582	}
		3583
		3584	cf::cede_to_tick;
		3585	}
		3586	}
		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
2578	1	3590	1
2579	}	3591	}
2580		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
2581	sub reload_regions {	3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
2582	load_resource_file "$MAPDIR/regions"	3629	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3630	or die "unable to load regions file\n";
		3631
		3632	for (cf::region::list) {
		3633	$_->{match} = qr/$_->{match}/
		3634	if exists $_->{match};
		3635	}
2584	}	3636	}
2585		3637
2586	sub reload_facedata {	3638	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3639	load_facedata "$DATADIR/facedata"
2588	or die "unable to load facedata\n";	3640	or die "unable to load facedata\n";
2589	}	3641	}
2590		3642
2591	sub reload_archetypes {	3643	sub reload_archetypes {
2592	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
2593	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
2594	}	3655	}
2595		3656
2596	sub reload_treasures {	3657	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
2599	}	3660	}
2600		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
2601	sub reload_resources {	3744	sub reload_resources {
2602	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
2603		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
2604	reload_regions;	3752	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
2609		3755
2610	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
2611	}	3757	}
2612		3758
2613	sub init {	3759	sub reload_config {
2614	reload_resources;	3760	trace "reloading config file...\n";
2615	}
2616		3761
2617	sub cfg_load {	3762	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3763	utf8::decode $config;
2619	or return;	3764	*CFG = decode_yaml $config;
2620		3765
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3767
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3770
2629	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2633	};	3775	};
2634	warn $@ if $@;	3776	warn $@ if $@;
2635	}	3777	}
2636	}	3778	}
2637		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2638	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2639	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3821	(async {
2643	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2644	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2645	};	3825	};
2646		3826
2647	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2648	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2649	load_extensions;	3851	load_extensions;
2650		3852
2651	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2653	}	3870	}
2654		3871
2655	#############################################################################	3872	#############################################################################
2656	# initialisation and cleanup	3873	# initialisation and cleanup
2657		3874
2658	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2659	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2668	},
2669	);	3881	};
2670	}	3882	}
2671	}	3883	}
2672		3884
2673	sub write_runtime {	3885	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
2675		3887
2676	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
2678		3890
2679	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		3892
2681	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
2682		3894
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	3896	or return;
2685		3897
2686	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
2699		3911
2700	close $fh	3912	close $fh
2701	or return;	3913	or return;
2702		3914
2703	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	3916	and return;
2705		3917
2706	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		3919
2708	1	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2709	}	3971	}
2710		3972
2711	sub emergency_save() {	3973	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2713		3975
2714	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2715		3982
2716	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2717	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	3994	$pl->save;
2725	}	3995	}
2726	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2727		3997
2728	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	4003	$map->valid or next;
2732	$map->save;	4004	$map->save;
2733	}	4005	}
2734	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2735		4007
2736	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2739	};	4036	};
2740		4037
2741	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2742	}	4039	}
2743		4040
2744	sub post_cleanup {	4041	sub post_cleanup {
2745	my ($make_core) = @_;	4042	my ($make_core) = @_;
2746		4043
		4044	IO::AIO::flush;
		4045
2747	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
2749	}	4076	}
2750		4077
2751	sub do_reload_perl() {	4078	sub do_reload_perl() {
2752	# can/must only be called in main	4079	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2754	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2755	return;	4082	return;
2756	}	4083	}
2757		4084
2758	warn "reloading...";	4085	return if $RELOAD++;
2759		4086
2760	warn "entering sync_job";	4087	my $t1 = AE::time;
2761		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2762	cf::sync_job {	4095	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	4096	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		4097
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4100	%EXT_CORO = ();
2791		4101
2792	warn "removing commands";	4102	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4103	%COMMAND = ();
2794		4104
2795	warn "removing ext commands";	4105	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4106	%EXTCMD = ();
		4107	%EXTICMD = ();
2797		4108
2798	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
2801		4112
2802	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4114	eval {
2804	$cb->($pkg);	4115	$cb->($pkg);
2805	1	4116	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
2807	}	4122	}
2808		4123
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4127
2817	warn "... unloading $k";	4128	trace "... unloading $k";
2818	delete $INC{$k};	4129	delete $INC{$k};
2819		4130
2820	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
2822		4133
2823	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
2825	}	4139	}
2826		4140
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4144
2834	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4148
2838	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4150	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
2841		4152
2842	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
2843		4154
2844	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
2845	require cf;	4156	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
2847		4158
2848	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4160	cf::reload_config;
2850		4161
2851	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4163	cf::load_extensions;
2853		4164
		4165	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
2860		4173
2861	warn "leaving sync_job";	4174	cf::_post_init 1;
2862		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
2863	1	4178	1
2864	} or do {	4179	} or do {
2865	warn $@;	4180	error $@;
2866	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4182	};
		4183
		4184	--$RELOAD;
2868	};	4185	}
2869		4186
2870	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
2871	};	4189	};
2872		4190
2873	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
2874		4192
2875	sub reload_perl() {	4193	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
2878		4196
2879	$RELOAD_WATCHER ||= Event->timer (	4197	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4198	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4199
2882	data => WF_AUTOCANCEL,	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4201	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
2886	},	4203	};
2887	);	4204	};
2888	}	4205	}
2889		4206
2890	register_command "reload" => sub {	4207	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
2892		4209
2893	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
		4212	async {
		4213	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4214	reload_perl;
		4215	};
2896	}	4216	}
2897	};	4217	};
2898		4218
2899	unshift @INC, $LIBDIR;	4219	#############################################################################
2900		4220
2901	my $bug_warning = 0;	4221	my $bug_warning = 0;
2902		4222
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4223	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4225
2910	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4227	}
2914		4228
2915	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4231
2919	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4234	$signal->wait;
2922	}	4235	}
2923		4236
2924	my $min = 1e6;#d#	4237	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
2936	return;	4241	return;
2937	}	4242	}
2938		4243
2939	$NOW = $tick_start = Event::time;	4244	cf::one_tick; # one server iteration
2940		4245
2941	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4247
2943	0 && sync_job {#d#	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4250	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4251	$Coro::current->{desc} = "runtime saver";
2947	or die;	4252	write_runtime_sync
2948		4253	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4254	};
		4255	}
2965		4256
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4258	$sig->send;
2982	}	4259	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4261
2987	$NOW = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4264
2998	_post_tick;	4265	if (0) {
2999		4266	if ($NEXT_TICK) {
3000		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
3001	},	4271	}
3002	);	4272	}
3003		4273
3004	{	4274	{
3005	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
3007	reentrant => 0,	4277
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3015		4279	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4281
3031	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4289
3034	cf::sync_job {	4290	cf::sync_job {
3035	eval {	4291	eval {
3036	BDB::db_env_open	4292	BDB::db_env_open
3037	$DB_ENV,	4293	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4297	0666;
3042		4298
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4300	};
3048		4301
3049	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4303	};
3051	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
3052	}	4317	}
3053		4318
3054	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
3055	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,	4326	info "aio initialised";
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4327	}
3068		4328
3069	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3070		4331
3071	sub _log_backtrace {	4332	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3073		4334
3074	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3075		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3079	async {	4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
3080	my @bt = fork_call {	4348	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4352	or die "addr2line: $!";
…		…
3092	}	4360	}
3093		4361
3094	@funcs	4362	@funcs
3095	};	4363	};
3096		4364
3097	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4368	--$_log_backtrace;
3100	};	4369	};
3101	} else {	4370	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4373	}
3105	}	4374	}
3106		4375
3107	# load additional modules	4376	# load additional modules
3108	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3109		4379
3110	END { cf::emergency_save }	4380	END { cf::emergency_save }
3111		4381
3112	1	4382	1
3113		4383

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