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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 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 Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
77	our $NOW;	139	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		140
80	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	142	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	143	our $LINK_MAP; # the special {link} map, which is always available
91		144
92	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		147
		148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
		151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
95	binmode STDOUT;	161	binmode STDOUT;
96	binmode STDERR;	162	binmode STDERR;
97		163
98	# read virtual server time, if available	164	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
103	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
104		172
105	mkdir $_	173	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		175
108	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
109		177
110	sub cf::map::normalise;	178	sub cf::map::normalise;
111		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
112	#############################################################################	184	#############################################################################
113		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
114	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
115		198
116	=over 4	199	=over 4
117		200
118	=item $cf::UPTIME	201	=item $cf::UPTIME
119		202
120	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
121		219
122	=item $cf::RUNTIME	220	=item $cf::RUNTIME
123		221
124	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
125	every server tick.	223	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
134	database environment.	232	database environment.
135		233
		234	=item $cf::LOADAVG
		235
		236	The current CPU load on the server (alpha-smoothed), as a value between 0
		237	(none) and 1 (overloaded), indicating how much time is spent on processing
		238	objects per tick. Healthy values are < 0.5.
		239
136	=item $cf::NOW	240	=item $cf::LOAD
137		241
138	The time of the last (current) server tick.	242	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		243
144	=item %cf::CFG	244	=item %cf::CFG
145		245
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	247	from wherever your confdir points to.
148		248
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		250
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
155	=back	284	=back
156		285
157	=cut	286	=cut
158		287
159	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	295	my $msg = join "", @_;
162		296
163	$msg .= "\n"	297	$msg .= "\n"
164	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
165		299
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		301
168	utf8::encode $msg;
169	LOG llevError, $msg;	302	LOG llevWarn, $msg;
170	};	303	};
171	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
172		318
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		326
180	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	328	# within the Safe compartment.
182	for my $pkg (qw(	329	for my $pkg (qw(
183	cf::global cf::attachable	330	cf::global cf::attachable
184	cf::object cf::object::player	331	cf::object cf::object::player
185	cf::client cf::player	332	cf::client cf::player
186	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
187	cf::map cf::party cf::region	335	cf::party cf::region
188	)) {	336	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	338	}
192		339
193	$Event::DIED = sub {	340	$EV::DIED = sub {
194	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
195	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
196		350
197	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
198		352
199	=over 4	353	=over 4
200		354
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	374	$d
221	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
222	}	376	}
223		377
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
225		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
226	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
227		431
228	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
229		433
230	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
231		435
232	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
233		437
		438	=cut
		439
		440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		441
		442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
234	=item cf::lock_wait $string	507	=item cf::lock_wait $string
235		508
236	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
237		510
238	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
239		512
240	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
243	returned.	516	returned.
244		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
245	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
247		523
248	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
249		525
250	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
251		527
252	=cut	528	=cut
253		529
254	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
255		531
256	sub lock_wait($) {	532	sub lock_wait($) {
257	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	534	}
265		535
266	sub lock_acquire($) {	536	sub lock_acquire($) {
267	my ($key) = @_;	537	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	538	}
279		539
280	sub lock_active($) {	540	sub lock_active($) {
281	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	542	}
285		543
286	sub freeze_mainloop {	544	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
288		546
289	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
291	};	617	}
292	$TICK_WATCHER->stop;	618	};
293	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
294	}	633	}
295		634
296	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
297		636
298	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		642
304	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
305		644
306	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
307		646
308	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
311		651
312	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
315	fast or be very important.	655	fast or be very important.
…		…
317	=cut	657	=cut
318		658
319	sub sync_job(&) {	659	sub sync_job(&) {
320	my ($job) = @_;	660	my ($job) = @_;
321		661
322	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
323	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
325		667
326	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	669
328	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
329		671
330	my $busy = 1;	672	my $busy = 1;
331	my @res;	673	my @res;
332		674
333	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	677	@res = eval { $job->() };
335	warn $@ if $@;	678	error $@ if $@;
336	undef $busy;	679	undef $busy;
337	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
338		681
339	while ($busy) {	682	while ($busy) {
340	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
341	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
342		693
343	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
344	} else {	695	} else {
345	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
346		697
…		…
366	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
367		718
368	$coro	719	$coro
369	}	720	}
370		721
371	sub write_runtime {	722	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		723
374	# first touch the runtime file to show we are still running:	724	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
376		728
377	warn "touching runtime...\n";#d#	729	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	730
379	utime undef, undef, $fh;	731	sub post_fork {
		732	reset_signals;
		733	}
		734
		735	sub fork_call(&@) {
		736	my ($cb, @args) = @_;
		737
		738	# we seemingly have to make a local copy of the whole thing,
		739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
		741
		742	my @res = Coro::Util::fork_eval {
		743	cf::post_fork;
		744	&$cb
		745	} @args;
		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
380	}	818	};
		819	cf::cleanup "db_open(db): $@" if $@;
381		820
382	my $guard = cf::lock_acquire "write_runtime";	821	$db
		822	}
383		823
384	warn "starting to write runtime...\n";#d#	824	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		825
388	my $value = $cf::RUNTIME + 90 + 10;	826	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	827	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	828	}
391		829
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	830	sub db_get($$) {
393	and return;	831	my $key = "$_[0]/$_[1]";
394		832
395	# always fsync - this file is important	833	cf::error "db_get called from main context"
396	aio_fsync $fh	834	if $Coro::current == $Coro::main;
397	and return;
398		835
399	# touch it again to show we are up-to-date	836	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		837
402	close $fh	838	$! ? ()
403	or return;	839	: $data
		840	}
404		841
405	aio_rename "$runtime~", $runtime	842	sub db_put($$$) {
406	and return;	843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
407		846
408	warn "... done writing runtime.\n";#d#	847	=item cf::cache $id => [$paths...], $processversion => $process
409		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
410	1	911	}
		912
		913	db_get cache => "$id/data"
411	}	914	}
412		915
413	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
414		917
415	Log a datalog packet of the given type with the given key-value pairs.	918	Log a datalog packet of the given type with the given key-value pairs.
416		919
417	=cut	920	=cut
418		921
419	sub datalog($@) {	922	sub datalog($@) {
420	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	925	}
423		926
424	=back	927	=back
425		928
426	=cut	929	=cut
427		930
428	#############################################################################	931	#############################################################################
429		932
430	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
431		934
432	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
433	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
434	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
435		938
436	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
437	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
438	crossfire+).	941	Deliantra).
439		942
440	=over 4	943	=over 4
441		944
442	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
443		946
…		…
487	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
488		991
489	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
490	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
491		994
492	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
493	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
494		997
495	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
496		999
497	=over 4	1000	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
607		1110
608	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1115
613	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
615		1118
616	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
621		1124
622	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1127
625	} elsif (ref $type) {	1128	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
627		1130
628	} else {	1131	} else {
629	shift @arg;	1132	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
631	}	1134	}
632	}	1135	}
633	}	1136	}
634		1137
635	sub _object_attach {	1138	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
646	}	1149	}
647		1150
648	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
649	} else {	1152	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1154	}
652		1155
653	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
654	}	1157	}
655		1158
…		…
657	if (ref $_[0]) {	1160	if (ref $_[0]) {
658	_object_attach @_;	1161	_object_attach @_;
659	} else {	1162	} else {
660	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
661	}	1164	}
		1165	_recalc_want;
662	};	1166	};
663		1167
664	# all those should be optimised	1168	# all those should be optimised
665	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1174	reattach ($obj);
671	} else {	1175	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
673	}	1177	}
		1178	_recalc_want;
674	};	1179	};
675		1180
676	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
678		1183
…		…
693	";	1198	";
694	die if $@;	1199	die if $@;
695	}	1200	}
696		1201
697	our $override;	1202	our $override;
698	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
699		1204
700	sub override {	1205	sub override {
701	$override = 1;	1206	$override = 1;
702	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
703	}	1208	}
704		1209
705	sub do_invoke {	1210	sub do_invoke {
706	my $event = shift;	1211	my $event = shift;
707	my $callbacks = shift;	1212	my $callbacks = shift;
708		1213
709	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
710		1215
711	local $override;	1216	local $override;
712		1217
713	for (@$callbacks) {	1218	for (@$callbacks) {
714	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
715		1220
716	if ($@) {	1221	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1223	override;
720	}	1224	}
721		1225
722	return 1 if $override;	1226	return 1 if $override;
723	}	1227	}
724		1228
725	0	1229	0
726	}	1230	}
727		1231
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1233
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1235
732	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
733		1237
734	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
735	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
736	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1241
738	=back	1242	=back
739		1243
740	=cut	1244	=cut
741		1245
742	#############################################################################	1246	#############################################################################
743	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
744		1290
745	sub reattach {	1291	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1293	my ($obj) = @_;
748		1294
		1295	# no longer needed after getting rid of delete_package?
749	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
750		1297
751	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
752		1299
753	@$registry = ();	1300	@$registry = ();
754		1301
…		…
759	for (@$attach) {	1306	for (@$attach) {
760	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
762	}	1309	}
763	} else {	1310	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1312	}
766	}	1313	}
767	}	1314	}
768		1315
769	cf::attachable->attach (	1316	cf::attachable->attach (
770	prio => -1000000,	1317	prio => -1000000,
771	on_instantiate => sub {	1318	on_instantiate => sub {
772	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
773		1320
774	$data = from_json $data;	1321	$data = decode_json $data;
775		1322
776	for (@$data) {	1323	for (@$data) {
777	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
778		1325
779	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1342	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
797		1344
798	sync_job {	1345	sync_job {
799	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
802		1351
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
807	close $fh;	1359	aio_close $fh;
808		1360
809	if (@$objs) {	1361	if (@$objs) {
810	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
811	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
815	close $fh;	1370	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
817	}	1372	}
818	} else {	1373	} else {
819	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
820	}	1375	}
821		1376
822	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1381	} else {
824	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
825	}	1383	}
826	} else {	1384	} else {
827	aio_unlink $filename;	1385	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
829	}	1387	}
830	}	1388	};
831	}	1389	}
832		1390
833	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
835		1393
…		…
847	or return;	1405	or return;
848		1406
849	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
851	or return;	1409	or return;
		1410
852	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
853	}	1413	}
854		1414
		1415	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
857	return ($data, $av);	1420	($data, $av)
858	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
859		1428
860	#############################################################################	1429	#############################################################################
861	# command handling &c	1430	# command handling &c
862		1431
863	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1446	}
878		1447
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1449
881	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
882		1455
883	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
884	called.	1457	called.
885		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
886	=cut	1470	=cut
887		1471
888	sub register_extcmd {	1472	sub register_extcmd {
889	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
890		1474
891	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
892	}	1476	}
893		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
894	cf::player->attach (	1486	cf::player->attach (
895	on_command => sub {	1487	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
897		1489
898	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
899	or return;	1491	or return;
900		1492
…		…
905	cf::override;	1497	cf::override;
906	},	1498	},
907	on_extcmd => sub {	1499	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
909		1501
910	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1503
912	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
918	} else {	1516	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1518	}
921		1519
922	cf::override;	1520	cf::override;
923	},	1521	},
924	);	1522	);
925		1523
		1524	# "readahead" all extensions
926	sub load_extension {	1525	sub cache_extensions {
927	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
928		1527
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1531	}
954	die $@;
955	}	1532	};
956		1533
957	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
958	}	1546	}
959		1547
960	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
961	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1557	next unless -r $path;
963	eval {	1558
964	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
965	1	1631	}
966	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
967	}	1644	};
968	}	1645	}
969		1646
970	#############################################################################	1647	#############################################################################
971		1648
		1649	=back
		1650
972	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
973		1652
974	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
975		1654
976	=cut	1655	=cut
977		1656
978	package cf::player;	1657	package cf::player;
979		1658
980	use Coro::AIO;	1659	use Coro::AIO;
981		1660
982	=head3 cf::player	1661	=head3 cf::player
983		1662
984	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
985		1678
986	=item cf::player::find $login	1679	=item cf::player::find $login
987		1680
988	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
989		1682
…		…
1008		1701
1009	sub exists($) {	1702	sub exists($) {
1010	my ($login) = @_;	1703	my ($login) = @_;
1011		1704
1012	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1014	}	1707	}
1015		1708
1016	sub find($) {	1709	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1711	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1722
1030	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1033	}	1732	}
1034	}	1733	}
1035	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1036		1748
1037	sub save($) {	1749	sub save($) {
1038	my ($pl) = @_;	1750	my ($pl) = @_;
1039		1751
1040	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1046		1758
1047	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1049		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1050	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1051	Coro::cede;	1768	cf::cede_to_tick;
1052	}	1769	}
1053		1770
1054	sub new($) {	1771	sub new($) {
1055	my ($login) = @_;	1772	my ($login) = @_;
1056		1773
…		…
1062	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1063		1780
1064	$self	1781	$self
1065	}	1782	}
1066		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1067	=item $pl->quit_character	1794	=item $pl->quit_character
1068		1795
1069	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1071		1798
…		…
1075	my ($pl) = @_;	1802	my ($pl) = @_;
1076		1803
1077	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1078		1805
1079	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1808
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1085	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1086		1817
1087	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1124	or return [];	1855	or return [];
1125		1856
1126	my @logins;	1857	my @logins;
1127		1858
1128	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1132		1869
1133	utf8::decode $login;	1870	utf8::decode $login;
1134	push @logins, $login;	1871	push @logins, $login;
1135	}	1872	}
1136		1873
1137	\@logins	1874	\@logins
1138	}	1875	}
1139		1876
1140	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1141		1880
1142	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1143	player. May block.	1882	player. May block.
1144		1883
1145	=cut	1884	=cut
…		…
1163	}	1902	}
1164		1903
1165	\@paths	1904	\@paths
1166	}	1905	}
1167		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1168	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1169		1912
1170	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1171		1914
1172	=cut	1915	=cut
1173		1916
1174	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1176		1919
1177	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1921	}
1181		1922
1182	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1183		1924
1184	Sends an ext event to the client.	1925	Sends an ext event to the client.
1185		1926
1186	=cut	1927	=cut
1187		1928
1188	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1190		1931
1191	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1192	}	1933	}
1193		1934
1194	=head3 cf::region	1935	=head3 cf::region
1195		1936
1196	=over 4	1937	=over 4
…		…
1199		1940
1200	package cf::region;	1941	package cf::region;
1201		1942
1202	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1203		1944
1204	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1205		1946
1206	=cut	1947	=cut
1207		1948
1208	sub find_by_path($) {	1949	sub find_by_path($) {
1209	my ($path) = @_;	1950	my ($path) = @_;
1210		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1211	my ($match, $specificity);	1954	my ($match, $specificity);
1212		1955
1213	for my $region (list) {	1956	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1217	}	1960	}
1218	}	1961	}
1219		1962
…		…
1240	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1242		1985
1243	sub generate_random_map {	1986	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1246	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1992	}
1260		1993
1261	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1262		1995
1263	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1268		2001
1269	sub register {	2002	sub register {
1270	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	2004	my $pkg = caller;
1272		2005
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		2007
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	2009	}
1278		2010
1279	# also paths starting with '/'	2011	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		2013
1282	sub thawer_merge {	2014	sub thawer_merge {
1283	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1284		2016
1285	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1286	local $self->{path};	2018	local $self->{path};
1287	local $self->{load_path};	2019	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		2020
1291	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1292	}	2022	}
1293		2023
1294	sub normalise {	2024	sub normalise {
1295	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1296		2026
1297	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1298		2028
1299	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1300		2030
1301	# map plan:	2031	# map plan:
1302	#	2032	#
…		…
1317	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	2048	$path = "$base/$path";
1319	}	2049	}
1320		2050
1321	for ($path) {	2051	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1325	}	2054	}
1326		2055
1327	$path	2056	$path
…		…
1341	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1342	return $self;	2071	return $self;
1343	}	2072	}
1344	}	2073	}
1345		2074
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	2076	()
1348	}	2077	}
1349		2078
		2079	# may re-bless or do other evil things
1350	sub init {	2080	sub init {
1351	my ($self) = @_;	2081	my ($self) = @_;
1352		2082
1353	$self	2083	$self
1354	}	2084	}
…		…
1373		2103
1374	# the temporary/swap location	2104	# the temporary/swap location
1375	sub save_path {	2105	sub save_path {
1376	my ($self) = @_;	2106	my ($self) = @_;
1377		2107
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1380	}	2110	}
1381		2111
1382	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1383	sub uniq_path {	2113	sub uniq_path {
1384	my ($self) = @_;	2114	my ($self) = @_;
1385		2115
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1388	}	2118	}
1389		2119
1390	# and all this just because we cannot iterate over	2120	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	2121	my ($self) = @_;
1394		2122
1395	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1397	}	2126	}
1398		2127
1399	sub unlink_save {	2128	sub unlink_save {
1400	my ($self) = @_;	2129	my ($self) = @_;
1401		2130
…		…
1406		2135
1407	sub load_header_from($) {	2136	sub load_header_from($) {
1408	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1409		2138
1410	utf8::encode $path;	2139	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2141	or return;
1416		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1417	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1418		2150
1419	1	2151	1
1420	}	2152	}
1421		2153
		2154	# used to laod the header of an original map
1422	sub load_header_orig {	2155	sub load_header_orig {
1423	my ($self) = @_;	2156	my ($self) = @_;
1424		2157
1425	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1426	}	2159	}
1427		2160
		2161	# used to laod the header of an instantiated map
1428	sub load_header_temp {	2162	sub load_header_temp {
1429	my ($self) = @_;	2163	my ($self) = @_;
1430		2164
1431	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1432	}	2166	}
1433		2167
		2168	# called after loading the header from an instantiated map
1434	sub prepare_temp {	2169	sub prepare_temp {
1435	my ($self) = @_;	2170	my ($self) = @_;
1436		2171
1437	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1438	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1439	# safety	2174	# safety
1440	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1441	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1442	}	2177	}
1443		2178
		2179	# called after loading the header from an original map
1444	sub prepare_orig {	2180	sub prepare_orig {
1445	my ($self) = @_;	2181	my ($self) = @_;
1446		2182
1447	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1448	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1459	$self->load_header_orig	2195	$self->load_header_orig
1460	or return;	2196	or return;
1461	$self->prepare_orig;	2197	$self->prepare_orig;
1462	}	2198	}
1463		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1464	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2204	unless $self->default_region;
1466		2205
1467	1	2206	1
1468	}	2207	}
1469		2208
1470	sub find;	2209	sub find;
1471	sub find {	2210	sub find {
1472	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1473		2212
		2213	cf::cede_to_tick;
		2214
1474	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1475		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2219
1478	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1481	or return;	2222	or return;
1482		2223
1483	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1484		2225
1485	$map->load_header	2226	$map->load_header
1486	or return;	2227	or return;
1487		2228
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1491	$map->reset;	2234	$map->reset;
1492	undef $guard;
1493	return find $path;	2235	return find $path;
1494	}	2236	}
1495		2237
1496	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1497	}	2239	}
1498	}	2240	}
1499		2241
1500	sub pre_load { }	2242	sub pre_load { }
1501	sub post_load { }	2243	#sub post_load { } # XS
1502		2244
1503	sub load {	2245	sub load {
1504	my ($self) = @_;	2246	my ($self) = @_;
1505		2247
1506	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1507		2249
1508	my $path = $self->{path};	2250	my $path = $self->{path};
1509		2251
1510	{	2252	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1512		2254
		2255	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1514
1515	$self->in_memory (cf::MAP_LOADING);
1516		2257
1517	$self->alloc;	2258	$self->alloc;
1518		2259
1519	$self->pre_load;	2260	$self->pre_load;
1520	Coro::cede;	2261	cf::cede_to_tick;
1521		2262
1522	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1523	or return;	2267	or return;
1524		2268
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1526	if delete $self->{load_original};	2270	if delete $self->{load_original};
1527		2271
1528	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2273	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2276	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1533	}	2281	}
1534	}
1535		2282
1536	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1537	# now do the right thing for maps	2292	# now do the right thing for maps
1538	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2295	unless $self->difficulty;
1541	Coro::cede;	2296	cf::cede_to_tick;
1542		2297
1543	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2299	$self->decay_objects;
1545	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1546	$self->update_buttons;	2301	$self->update_buttons;
1547	Coro::cede;	2302	cf::cede_to_tick;
1548	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1549	Coro::cede;
1550	$self->activate;
1551	}	2304	}
1552		2305
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1554	}	2308	}
1555		2309
1556	$self->post_load;	2310	$self->post_load;
1557	}
1558		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2318	sub customise_for {
1560	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1561		2320
1562	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2322	if $self->per_player;
1564		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1565	$self	2327	$self
1566	}
1567
1568	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {
1570	my ($map) = @_;
1571
1572	my @diag; # diagonal neighbours
1573
1574	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)
1576	or next;
1577	$neigh = find $neigh, $map
1578	or next;
1579	$neigh->load;
1580
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}
1584
1585	for (@diag) {
1586	my $neigh = find @$_
1587	or next;
1588	$neigh->load;
1589	}
1590	}	2328	}
1591		2329
1592	sub find_sync {	2330	sub find_sync {
1593	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1594		2332
1595	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1596	}	2338	}
1597		2339
1598	sub do_load_sync {	2340	sub do_load_sync {
1599	my ($map) = @_;	2341	my ($map) = @_;
1600		2342
1601	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1602	}	2348	}
1603		2349
1604	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1606		2352
1607	sub find_async {	2353	sub find_async {
1608	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1609		2355
1610	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1611		2357
1612	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1614	}	2360	}
1615		2361
1616	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1617	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1618	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2369	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2370	$map->load if $v;
		2371	}
1623		2372
1624	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1625	}	2374	}
1626	}	2375	}
1627	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1628	};	2377	};
1629	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1630		2379
1631	()	2380	()
1632	}	2381	}
1633		2382
		2383	# common code, used by both ->save and ->swapout
1634	sub save {	2384	sub _save {
1635	my ($self) = @_;	2385	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2386
1639	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1640		2388
1641	return unless $self->dirty;	2389	return unless $self->dirty;
1642		2390
…		…
1648	return if $self->{deny_save};	2396	return if $self->{deny_save};
1649		2397
1650	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1651		2399
1652	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1654	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1655		2406
1656	if ($uniq) {	2407	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2410	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2412	}
1662	}	2413	}
1663		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1664	sub swap_out {	2423	sub swap_out {
1665	my ($self) = @_;	2424	my ($self) = @_;
1666		2425
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1672	return if $self->players;	2430	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1676	$self->clear;	2441	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2442	}
1679		2443
1680	sub reset_at {	2444	sub reset_at {
1681	my ($self) = @_;	2445	my ($self) = @_;
1682		2446
1683	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1686		2449
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2452
…		…
1700	my ($self) = @_;	2463	my ($self) = @_;
1701		2464
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2466
1704	return if $self->players;	2467	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2468
1707	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1708		2470
1709	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1710		2472
1711	# need to save uniques path	2473	# need to save uniques path
1712	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1713	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1714		2476
…		…
1716	if $uniq;	2478	if $uniq;
1717	}	2479	}
1718		2480
1719	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1720		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2485	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2486
1725	$self->unlink_save;	2487	$self->unlink_save;
1726	$self->destroy;	2488	$self->destroy;
1727	}	2489	}
1728		2490
1729	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1730		2492
1731	sub nuke {	2493	sub nuke {
1732	my ($self) = @_;	2494	my ($self) = @_;
1733		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1734	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1735		2500
1736	$self->unlink_save;	2501	$self->unlink_save;
1737		2502
1738	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2508
1744	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1745		2511
1746	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1747	}	2549	}
1748		2550
1749	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1750		2552
1751	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2554	instantiated unique items. May block.
1753		2555
1754	=cut	2556	=cut
1755		2557
1756	sub unique_maps() {	2558	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2559	[
1758	or return;	2560	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2561	utf8::decode $_;
1764	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2564	? ()
1767	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2567	]
1769
1770	\@paths
1771	}	2568	}
1772		2569
1773	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1774		2601
1775	=back	2602	=back
1776		2603
1777	=head3 cf::object	2604	=head3 cf::object
1778		2605
…		…
1782		2609
1783	=over 4	2610	=over 4
1784		2611
1785	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1786		2613
1787	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1788		2616
1789	=cut	2617	=cut
1790		2618
1791	sub inv_recursive_;	2619	sub inv_recursive_;
1792	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1795		2623
1796	sub inv_recursive {	2624	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1798	}	2626	}
1799		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1800	package cf;	2656	package cf;
1801		2657
1802	=back	2658	=back
1803		2659
1804	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1813		2669
1814	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1815		2685
1816	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2687	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1821		2691
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2693
1824	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1826	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1829	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1830	}	2719	}
1831		2720
1832	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1833		2722
1834	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1847		2736
1848	=item $player_object->enter_link	2737	=item $player_object->enter_link
1849		2738
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2740
1852	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1854		2745
1855	Will never block.	2746	Will never block.
1856		2747
1857	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1858		2749
…		…
1878	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2770	my ($self) = @_;
1880		2771
1881	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1882		2773
		2774	++$self->{_link_recursion};
		2775
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2777
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1887		2780
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2782	}
1890		2783
1891	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1893		2788
1894	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1895		2790
1896	unless ($map) {	2791	unless ($map) {
1897	# restore original map position	2792	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1910		2805
1911	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1914		2809
1915	$map->load;	2810	$map->load;
1916	$map->load_diag;
1917		2811
1918	return unless $self->contr->active;	2812	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2813
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1923	}	2816	# entering was successful
1924		2817	delete $self->{_link_recursion};
1925	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2819	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2820	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2821
1939	# try to abort aborted map switching on player login :)	2822	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2823
1957	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
1959	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1960		2838
1961	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
		2847
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2850
1964	$self->enter_link;	2851	$self->enter_link;
1965		2852
1966	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1967	my $map = eval {	2875	my $map = eval {
1968	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1970	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2891	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1975	})->prio (1);	2899	})->prio (1);
1976	}	2900	}
1977		2901
1978	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1979		2903
…		…
1999	}	2923	}
2000		2924
2001	sub prepare_random_map {	2925	sub prepare_random_map {
2002	my ($exit) = @_;	2926	my ($exit) = @_;
2003		2927
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2930	# that depends on the exit object
2009		2931
2010	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2934	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2017	}	2941	}
2018		2942
2019	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2020		2944
2021	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2024		2948
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2951	undef $fh;
2028	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2029		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2032	}	2960	}
2033	}	2961	}
2034		2962
2035	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2037		2965
2038	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2039		2967
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2968	$self->enter_link;
2052		2969
2053	(async {	2970	(async {
2054	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2055	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2056	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2057		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2058	1;	3009	1
2059	}) {	3010	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2064		3015
2065	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	3017	$self->leave_link;
2067	}	3018	}
2068	})->prio (1);	3019	})->prio (1);
2069	}	3020	}
2070		3021
…		…
2084		3035
2085	utf8::encode $text;	3036	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	3038	}
2088		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2089	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2090		3228
2091	Sends an exti event to the client.	3229	Sends an ext event to the client.
2092		3230
2093	=cut	3231	=cut
2094		3232
2095	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2097		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2100	}	3256	}
2101		3257
2102	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2103		3259
2104	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3263
2108	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3265	become reliable at some point in the future.
2110		3266
2111	=cut	3267	=cut
2112		3268
2113	sub cf::client::query {	3269	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3278	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3280
2125	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2127	}	3285	}
2128		3286
2129	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2130	on_reply => sub {	3293	on_reply => sub {
2131	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2132		3295
2133	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2134	# get handled first	3297	# get handled first
…		…
2146	} else {	3309	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3311	}
2149	}	3312	}
2150	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2151	);	3337	);
2152		3338
2153	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2154		3340
2155	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3357
2172	$coro	3358	$coro
2173	}	3359	}
2174		3360
2175	cf::client->attach (	3361	cf::client->attach (
2176	on_destroy => sub {	3362	on_client_destroy => sub {
2177	my ($ns) = @_;	3363	my ($ns) = @_;
2178		3364
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3366	},
2181	);	3367	);
…		…
2196	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2198		3384
2199	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2200		3386
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2202		3392
2203	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2204		3394
2205	=pod	3395	=pod
2206		3396
2207	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2208		3398
2209	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2210	cf::object::player player	3404	cf::object::player
2211	cf::player peaceful	3405	player
2212	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2213		3412
2214	=cut	3413	=cut
2215		3414
2216	for (	3415	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2221	) {	3422	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3425	for @funs;
2226	}	3426	}
2227		3427
…		…
2242		3442
2243	my $qcode = $code;	3443	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2246		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2247	local $_;	3450	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3451
2250	my $eval =	3452	my $eval =
2251	"do {\n"	3453	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3456	. $code
2255	. "\n}"	3457	. "\n}"
2256	;	3458	;
2257		3459
		3460	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2261		3469
2262	if ($@) {	3470	if ($@) {
2263	warn "$@";	3471	warn "$@",
2264	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2266	}	3474	}
2267		3475
2268	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2269	}	3477	}
2270		3478
…		…
2284	=cut	3492	=cut
2285		3493
2286	sub register_script_function {	3494	sub register_script_function {
2287	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2288		3496
2289	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2291	}	3499	}
2292		3500
2293	=back	3501	=back
2294		3502
2295	=cut	3503	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3504
2471	#############################################################################	3505	#############################################################################
2472	# the server's init and main functions	3506	# the server's init and main functions
2473		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2474	sub load_facedata($) {	3510	sub load_facedata($) {
2475	my ($path) = @_;	3511	my ($path) = @_;
2476		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2477	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2478		3520
2479	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2480	0 < aio_load $path, $facedata
2481	or die "$path: $!";
2482
2483	$facedata = Coro::Storable::thaw $facedata;
2484		3522
2485	$facedata->{version} == 2	3523	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2488	{	3535	{
2489	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2490		3537
2491	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
2497	}	3550	}
2498		3551
2499	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2501	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
2502	or next;	3556	or next;
		3557
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3561	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3563	}
2508	Coro::cede;	3564
		3565	cf::cede_to_tick;
2509	}	3566	}
2510	}	3567	}
2511		3568
2512	{	3569	{
2513	my $anims = $facedata->{animinfo};	3570	my $anims = $facedata->{animinfo};
2514		3571
2515	while (my ($anim, $info) = each %$anims) {	3572	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3574	cf::cede_to_tick;
2518	}	3575	}
2519		3576
2520	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
2521	}	3578	}
2522		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
2523	1	3602	1
2524	}	3603	}
2525		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
2526	sub reload_regions {	3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
2527	load_resource_file "$MAPDIR/regions"	3628	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
2529	}	3635	}
2530		3636
2531	sub reload_facedata {	3637	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3638	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3639	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3647	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
2544	}	3650	}
2545		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
2546	sub reload_resources {	3672	sub reload_resources {
2547	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
2548		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
2549	reload_regions;	3680	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3681	reload_treasures;
2553		3682
2554	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
2555	}	3684	}
2556		3685
2557	sub init {	3686	sub reload_config {
2558	reload_resources;	3687	trace "reloading config file...\n";
2559	}
2560		3688
2561	sub cfg_load {	3689	my $config = load_file "$CONFDIR/config";
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3690	utf8::decode $config;
2563	or return;	3691	*CFG = decode_yaml $config;
2564		3692
2565	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;
2567
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3694
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3697
2573	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2577	};	3702	};
2578	warn $@ if $@;	3703	warn $@ if $@;
2579	}	3704	}
2580	}	3705	}
2581		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2582	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2583	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3748	(async {
2587	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2589	};	3752	};
2590		3753
2591	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2592	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2593	load_extensions;	3777	load_extensions;
2594		3778
2595	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2597	}	3796	}
2598		3797
2599	#############################################################################	3798	#############################################################################
2600	# initialisation and cleanup	3799	# initialisation and cleanup
2601		3800
2602	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2603	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2612	},
2613	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2614	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2615	}	3897	}
2616		3898
2617	sub emergency_save() {	3899	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2619		3901
2620	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2621		3908
2622	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2623	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3920	$pl->save;
2631	}	3921	}
2632	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2633		3923
2634	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3929	$map->valid or next;
2638	$map->save;	3930	$map->save;
2639	}	3931	}
2640	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2641		3933
2642	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3962	};
2646		3963
2647	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2648	}	3965	}
2649		3966
2650	sub post_cleanup {	3967	sub post_cleanup {
2651	my ($make_core) = @_;	3968	my ($make_core) = @_;
2652		3969
		3970	IO::AIO::flush;
		3971
2653	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
2655	}	4002	}
2656		4003
2657	sub do_reload_perl() {	4004	sub do_reload_perl() {
2658	# can/must only be called in main	4005	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2660	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2661	return;	4008	return;
2662	}	4009	}
2663		4010
2664	warn "reloading...";	4011	return if $RELOAD++;
2665		4012
2666	warn "entering sync_job";	4013	my $t1 = AE::time;
2667		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2668	cf::sync_job {	4021	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	4022	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		4023
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	4026	%EXT_CORO = ();
2697		4027
2698	warn "removing commands";	4028	trace "perl_reload: removing commands";
2699	%COMMAND = ();	4029	%COMMAND = ();
2700		4030
2701	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2703		4034
2704	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2707		4038
2708	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2709	eval {	4040	eval {
2710	$cb->($pkg);	4041	$cb->($pkg);
2711	1	4042	1
2712	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2713	}	4048	}
2714		4049
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		4053
2723	warn "... unloading $k";	4054	trace "... unloading $k";
2724	delete $INC{$k};	4055	delete $INC{$k};
2725		4056
2726	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2728		4059
2729	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2731	}	4065	}
2732		4066
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		4070
2740	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		4074
2744	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2745	# and global variables created in xs	4076	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2747		4078
2748	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2749		4080
2750	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2751	require cf;	4082	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2753		4084
2754	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	4086	cf::reload_config;
2756		4087
2757	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	4089	cf::load_extensions;
2759		4090
		4091	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2766		4099
2767	warn "leaving sync_job";	4100	cf::_post_init 1;
2768		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
2769	1	4104	1
2770	} or do {	4105	} or do {
2771	warn $@;	4106	error $@;
2772	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	4108	};
		4109
		4110	--$RELOAD;
2774	};	4111	}
2775		4112
2776	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
2777	};	4115	};
2778		4116
2779	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
2780		4118
2781	sub reload_perl() {	4119	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
2784		4122
2785	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4125
2788	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4127	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
2792	},	4129	};
2793	);	4130	};
2794	}	4131	}
2795		4132
2796	register_command "reload" => sub {	4133	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2798		4135
2799	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4140	reload_perl;
		4141	};
2802	}	4142	}
2803	};	4143	};
2804		4144
2805	unshift @INC, $LIBDIR;	4145	#############################################################################
2806		4146
2807	my $bug_warning = 0;	4147	my $bug_warning = 0;
2808		4148
2809	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;
2811
2812	sub wait_for_tick {	4149	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2814	return if $Coro::current == $Coro::main;
2815		4151
2816	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
2817	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;
2819	}	4153	}
2820		4154
2821	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2823	return if $Coro::current == $Coro::main;
2824		4157
2825	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4160	$signal->wait;
2828	}	4161	}
2829		4162
2830	$TICK_WATCHER = Event->timer (	4163	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2840	return;	4167	return;
2841	}	4168	}
2842		4169
2843	$NOW = Event::time;	4170	cf::one_tick; # one server iteration
2844		4171
2845	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2846		4173
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4178	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4180	};
		4181	}
2857		4182
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4184	$sig->send;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4185	}
2876	);	4186	$WAIT_FOR_TICK->broadcast;
		4187
		4188	$LOAD = ($NOW - $TICK_START) / $TICK;
		4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4190
		4191	if (0) {
		4192	if ($NEXT_TICK) {
		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
		4197	}
		4198	}
2877		4199
2878	{	4200	{
2879	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4202
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2889		4204	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4206
2905	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4214
2908	cf::sync_job {	4215	cf::sync_job {
2909	eval {	4216	eval {
2910	BDB::db_env_open	4217	BDB::db_env_open
2911	$DB_ENV,	4218	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4222	0666;
2916		4223
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4225	};
2922		4226
2923	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4228	};
2925	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2926	}	4240	}
2927		4241
2928	{	4242	{
		4243	# configure IO::AIO
		4244
2929	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4248	}
2942		4249
2943	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
2944		4252
2945	sub _log_backtrace {	4253	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
2947		4255
2948	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
2949		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
2953	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
2954	my @bt = fork_call {	4269	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
2966	}	4281	}
2967		4282
2968	@funcs	4283	@funcs
2969	};	4284	};
2970		4285
2971	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4289	--$_log_backtrace;
2974	};	4290	};
2975	} else {	4291	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4294	}
2979	}	4295	}
2980		4296
2981	# load additional modules	4297	# load additional modules
2982	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2983		4300
2984	END { cf::emergency_save }	4301	END { cf::emergency_save }
2985		4302
2986	1	4303	1
2987		4304

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