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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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 $guard = cf::lock_acquire "write_runtime";
373		723
374	my $runtime = "$LOCALDIR/runtime";	724	Executes the given code block with the given arguments in a seperate
		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.
375		728
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
377	or return;
378		730
379	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
381	# 60 allows for the watchdog to kill the server.	733	}
382		734
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
384	and return;	736	my ($cb, @args) = @_;
385		737
386	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
388	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
389		741
390	close $fh	742	my @res = Coro::Util::fork_eval {
391	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
392		746
393	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
394	and return;	748	}
395		749
		750	sub objinfo {
396	1	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 $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		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 $data;
		911	}
		912
		913	db_get cache => "$id/data"
397	}	914	}
398		915
399	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
400		917
401	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.
402		919
403	=cut	920	=cut
404		921
405	sub datalog($@) {	922	sub datalog($@) {
406	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	925	}
409		926
410	=back	927	=back
411		928
412	=cut	929	=cut
413		930
414	#############################################################################	931	#############################################################################
415		932
416	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
417		934
418	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
419	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")
420	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
421		938
422	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>
423	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
424	crossfire+).	941	Deliantra).
425		942
426	=over 4	943	=over 4
427		944
428	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
429		946
…		…
473	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
474		991
475	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
477		994
478	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		997
481	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
482		999
483	=over 4	1000	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
593		1110
594	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1115
599	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
601		1118
602	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
607		1124
608	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1127
611	} elsif (ref $type) {	1128	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
613		1130
614	} else {	1131	} else {
615	shift @arg;	1132	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
617	}	1134	}
618	}	1135	}
619	}	1136	}
620		1137
621	sub _object_attach {	1138	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
632	}	1149	}
633		1150
634	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
635	} else {	1152	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1154	}
638		1155
639	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
640	}	1157	}
641		1158
…		…
643	if (ref $_[0]) {	1160	if (ref $_[0]) {
644	_object_attach @_;	1161	_object_attach @_;
645	} else {	1162	} else {
646	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
647	}	1164	}
		1165	_recalc_want;
648	};	1166	};
649		1167
650	# all those should be optimised	1168	# all those should be optimised
651	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1174	reattach ($obj);
657	} else {	1175	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
659	}	1177	}
		1178	_recalc_want;
660	};	1179	};
661		1180
662	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
664		1183
…		…
679	";	1198	";
680	die if $@;	1199	die if $@;
681	}	1200	}
682		1201
683	our $override;	1202	our $override;
684	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?
685		1204
686	sub override {	1205	sub override {
687	$override = 1;	1206	$override = 1;
688	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
689	}	1208	}
690		1209
691	sub do_invoke {	1210	sub do_invoke {
692	my $event = shift;	1211	my $event = shift;
693	my $callbacks = shift;	1212	my $callbacks = shift;
694		1213
695	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
696		1215
697	local $override;	1216	local $override;
698		1217
699	for (@$callbacks) {	1218	for (@$callbacks) {
700	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
701		1220
702	if ($@) {	1221	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1223	override;
706	}	1224	}
707		1225
708	return 1 if $override;	1226	return 1 if $override;
709	}	1227	}
710		1228
711	0	1229	0
712	}	1230	}
713		1231
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1233
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1235
718	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
719		1237
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1241
724	=back	1242	=back
725		1243
726	=cut	1244	=cut
727		1245
728	#############################################################################	1246	#############################################################################
729	# 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, $ob2
		1289	}
730		1290
731	sub reattach {	1291	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1293	my ($obj) = @_;
734		1294
		1295	# no longer needed after getting rid of delete_package?
735	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
736		1297
737	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
738		1299
739	@$registry = ();	1300	@$registry = ();
740		1301
…		…
745	for (@$attach) {	1306	for (@$attach) {
746	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
748	}	1309	}
749	} else {	1310	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1312	}
752	}	1313	}
753	}	1314	}
754		1315
755	cf::attachable->attach (	1316	cf::attachable->attach (
756	prio => -1000000,	1317	prio => -1000000,
757	on_instantiate => sub {	1318	on_instantiate => sub {
758	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
759		1320
760	$data = from_json $data;	1321	$data = decode_json $data;
761		1322
762	for (@$data) {	1323	for (@$data) {
763	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
764		1325
765	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1342	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
783		1344
784	sync_job {	1345	sync_job {
785	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
788		1351
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	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	}
793	close $fh;	1359	aio_close $fh;
794		1360
795	if (@$objs) {	1361	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
800	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	}
801	close $fh;	1370	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
803	}	1372	}
804	} else {	1373	} else {
805	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
806	}	1375	}
807		1376
808	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1381	} else {
810	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
811	}	1383	}
812	} else {	1384	} else {
813	aio_unlink $filename;	1385	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
815	}	1387	}
816	}	1388	};
817	}	1389	}
818		1390
819	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
821		1393
…		…
833	or return;	1405	or return;
834		1406
835	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
837	or return;	1409	or return;
		1410
838	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
839	}	1413	}
840		1414
		1415	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
843	return ($data, $av);	1420	($data, $av)
844	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
845		1428
846	#############################################################################	1429	#############################################################################
847	# command handling &c	1430	# command handling &c
848		1431
849	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1446	}
864		1447
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1449
867	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.
868		1455
869	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
870	called.	1457	called.
871		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
872	=cut	1470	=cut
873		1471
874	sub register_extcmd {	1472	sub register_extcmd {
875	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
876		1474
877	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
878	}	1476	}
879		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
880	cf::player->attach (	1486	cf::player->attach (
881	on_command => sub {	1487	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
883		1489
884	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
885	or return;	1491	or return;
886		1492
…		…
891	cf::override;	1497	cf::override;
892	},	1498	},
893	on_extcmd => sub {	1499	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
895		1501
896	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1503
898	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
904	} else {	1516	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1518	}
907		1519
908	cf::override;	1520	cf::override;
909	},	1521	},
910	);	1522	);
911		1523
		1524	# "readahead" all extensions
912	sub load_extension {	1525	sub cache_extensions {
913	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
914		1527
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1531	}
940	die $@;
941	}	1532	};
942		1533
943	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;
944	}	1546	}
945		1547
946	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
947	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1557	next unless -r $path;
949	eval {	1558
950	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 $active;
		1630	}
951	1	1631	}
952	} or warn "$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	}
953	}	1644	};
954	}	1645	}
955		1646
956	#############################################################################	1647	#############################################################################
957		1648
		1649	=back
		1650
958	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
959		1652
960	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
961		1654
962	=cut	1655	=cut
963		1656
964	package cf::player;	1657	package cf::player;
965		1658
966	use Coro::AIO;	1659	use Coro::AIO;
967		1660
968	=head3 cf::player	1661	=head3 cf::player
969		1662
970	=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	}
971		1678
972	=item cf::player::find $login	1679	=item cf::player::find $login
973		1680
974	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
975		1682
…		…
994		1701
995	sub exists($) {	1702	sub exists($) {
996	my ($login) = @_;	1703	my ($login) = @_;
997		1704
998	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1000	}	1707	}
1001		1708
1002	sub find($) {	1709	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1711	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1722
1016	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1019	}	1732	}
1020	}	1733	}
1021	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1022		1748
1023	sub save($) {	1749	sub save($) {
1024	my ($pl) = @_;	1750	my ($pl) = @_;
1025		1751
1026	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1032		1758
1033	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1035		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
1036	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1037	Coro::cede;	1768	cf::cede_to_tick;
1038	}	1769	}
1039		1770
1040	sub new($) {	1771	sub new($) {
1041	my ($login) = @_;	1772	my ($login) = @_;
1042		1773
…		…
1048	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1049		1780
1050	$self	1781	$self
1051	}	1782	}
1052		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
1053	=item $pl->quit_character	1794	=item $pl->quit_character
1054		1795
1055	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1057		1798
…		…
1061	my ($pl) = @_;	1802	my ($pl) = @_;
1062		1803
1063	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1064		1805
1065	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1066	$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
1067		1808
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1071	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1072		1817
1073	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1110	or return [];	1855	or return [];
1111		1856
1112	my @logins;	1857	my @logins;
1113		1858
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1118		1869
1119	utf8::decode $login;	1870	utf8::decode $login;
1120	push @logins, $login;	1871	push @logins, $login;
1121	}	1872	}
1122		1873
1123	\@logins	1874	\@logins
1124	}	1875	}
1125		1876
1126	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1127		1880
1128	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1129	player. May block.	1882	player. May block.
1130		1883
1131	=cut	1884	=cut
…		…
1149	}	1902	}
1150		1903
1151	\@paths	1904	\@paths
1152	}	1905	}
1153		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1154	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1155		1912
1156	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1157		1914
1158	=cut	1915	=cut
1159		1916
1160	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1162		1919
1163	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1921	}
1167		1922
1168	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1169		1924
1170	Sends an ext event to the client.	1925	Sends an ext event to the client.
1171		1926
1172	=cut	1927	=cut
1173		1928
1174	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1176		1931
1177	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1178	}	1933	}
1179		1934
1180	=head3 cf::region	1935	=head3 cf::region
1181		1936
1182	=over 4	1937	=over 4
…		…
1185		1940
1186	package cf::region;	1941	package cf::region;
1187		1942
1188	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1189		1944
1190	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1191		1946
1192	=cut	1947	=cut
1193		1948
1194	sub find_by_path($) {	1949	sub find_by_path($) {
1195	my ($path) = @_;	1950	my ($path) = @_;
1196		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1197	my ($match, $specificity);	1954	my ($match, $specificity);
1198		1955
1199	for my $region (list) {	1956	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1203	}	1960	}
1204	}	1961	}
1205		1962
…		…
1226	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1228		1985
1229	sub generate_random_map {	1986	sub generate_random_map {
1230	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1232	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	1992	}
1246		1993
1247	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1248		1995
1249	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
…		…
1254		2001
1255	sub register {	2002	sub register {
1256	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	2004	my $pkg = caller;
1258		2005
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		2007
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	2009	}
1264		2010
1265	# also paths starting with '/'	2011	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		2013
1268	sub thawer_merge {	2014	sub thawer_merge {
1269	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1270		2016
1271	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1272	local $self->{path};	2018	local $self->{path};
1273	local $self->{load_path};	2019	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		2020
1277	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1278	}	2022	}
1279		2023
1280	sub normalise {	2024	sub normalise {
1281	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1282		2026
1283	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1284		2028
1285	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1286		2030
1287	# map plan:	2031	# map plan:
1288	#	2032	#
…		…
1303	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	2048	$path = "$base/$path";
1305	}	2049	}
1306		2050
1307	for ($path) {	2051	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1311	}	2054	}
1312		2055
1313	$path	2056	$path
…		…
1327	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1328	return $self;	2071	return $self;
1329	}	2072	}
1330	}	2073	}
1331		2074
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2076	()
1334	}	2077	}
1335		2078
		2079	# may re-bless or do other evil things
1336	sub init {	2080	sub init {
1337	my ($self) = @_;	2081	my ($self) = @_;
1338		2082
1339	$self	2083	$self
1340	}	2084	}
…		…
1359		2103
1360	# the temporary/swap location	2104	# the temporary/swap location
1361	sub save_path {	2105	sub save_path {
1362	my ($self) = @_;	2106	my ($self) = @_;
1363		2107
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1366	}	2110	}
1367		2111
1368	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1369	sub uniq_path {	2113	sub uniq_path {
1370	my ($self) = @_;	2114	my ($self) = @_;
1371		2115
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1374	}	2118	}
1375		2119
1376	# and all this just because we cannot iterate over	2120	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2121	my ($self) = @_;
1380		2122
1381	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1383	}	2126	}
1384		2127
1385	sub unlink_save {	2128	sub unlink_save {
1386	my ($self) = @_;	2129	my ($self) = @_;
1387		2130
…		…
1392		2135
1393	sub load_header_from($) {	2136	sub load_header_from($) {
1394	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1395		2138
1396	utf8::encode $path;	2139	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2141	or return;
1402		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1403	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1404		2150
1405	1	2151	1
1406	}	2152	}
1407		2153
		2154	# used to laod the header of an original map
1408	sub load_header_orig {	2155	sub load_header_orig {
1409	my ($self) = @_;	2156	my ($self) = @_;
1410		2157
1411	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1412	}	2159	}
1413		2160
		2161	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2162	sub load_header_temp {
1415	my ($self) = @_;	2163	my ($self) = @_;
1416		2164
1417	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1418	}	2166	}
1419		2167
		2168	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2169	sub prepare_temp {
1421	my ($self) = @_;	2170	my ($self) = @_;
1422		2171
1423	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1425	# safety	2174	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2177	}
1429		2178
		2179	# called after loading the header from an original map
1430	sub prepare_orig {	2180	sub prepare_orig {
1431	my ($self) = @_;	2181	my ($self) = @_;
1432		2182
1433	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2195	$self->load_header_orig
1446	or return;	2196	or return;
1447	$self->prepare_orig;	2197	$self->prepare_orig;
1448	}	2198	}
1449		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1450	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2204	unless $self->default_region;
1452		2205
1453	1	2206	1
1454	}	2207	}
1455		2208
1456	sub find;	2209	sub find;
1457	sub find {	2210	sub find {
1458	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1459		2212
		2213	cf::cede_to_tick;
		2214
1460	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1461		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2219
1464	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1467	or return;	2222	or return;
1468		2223
1469	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1470		2225
1471	$map->load_header	2226	$map->load_header
1472	or return;	2227	or return;
1473		2228
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1477	$map->reset;	2234	$map->reset;
1478	undef $guard;
1479	return find $path;	2235	return find $path;
1480	}	2236	}
1481		2237
1482	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1483	}	2239	}
1484	}	2240	}
1485		2241
1486	sub pre_load { }	2242	sub pre_load { }
1487	sub post_load { }	2243	#sub post_load { } # XS
1488		2244
1489	sub load {	2245	sub load {
1490	my ($self) = @_;	2246	my ($self) = @_;
1491		2247
1492	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1493		2249
1494	my $path = $self->{path};	2250	my $path = $self->{path};
1495		2251
1496	{	2252	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1498		2254
		2255	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2257
1503	$self->alloc;	2258	$self->alloc;
1504		2259
1505	$self->pre_load;	2260	$self->pre_load;
1506	Coro::cede;	2261	cf::cede_to_tick;
1507		2262
1508	$self->_load_objects ($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)
1509	or return;	2267	or return;
1510		2268
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1512	if delete $self->{load_original};	2270	if delete $self->{load_original};
1513		2271
1514	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2273	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2276	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1519	}	2281	}
1520	}
1521		2282
1522	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;
1523	# now do the right thing for maps	2292	# now do the right thing for maps
1524	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2295	unless $self->difficulty;
1527	Coro::cede;	2296	cf::cede_to_tick;
1528		2297
1529	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2299	$self->decay_objects;
1531	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1532	$self->update_buttons;	2301	$self->update_buttons;
1533	Coro::cede;	2302	cf::cede_to_tick;
1534	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2304	}
1538		2305
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1540	}	2308	}
1541		2309
1542	$self->post_load;	2310	$self->post_load;
1543	}
1544		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2318	sub customise_for {
1546	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1547		2320
1548	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2322	if $self->per_player;
1550		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1551	$self	2327	$self
1552	}
1553
1554	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {
1556	my ($map) = @_;
1557
1558	my @diag; # diagonal neighbours
1559
1560	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)
1562	or next;
1563	$neigh = find $neigh, $map
1564	or next;
1565	$neigh->load;
1566
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}
1570
1571	for (@diag) {
1572	my $neigh = find @$_
1573	or next;
1574	$neigh->load;
1575	}
1576	}	2328	}
1577		2329
1578	sub find_sync {	2330	sub find_sync {
1579	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1580		2332
1581	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, $origin
1582	}	2338	}
1583		2339
1584	sub do_load_sync {	2340	sub do_load_sync {
1585	my ($map) = @_;	2341	my ($map) = @_;
1586		2342
1587	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;
1588	}	2348	}
1589		2349
1590	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1592		2352
1593	sub find_async {	2353	sub find_async {
1594	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1595		2355
1596	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1597		2357
1598	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1600	}	2360	}
1601		2361
1602	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1603	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1604	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2369	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2370	$map->load if $v;
		2371	}
1609		2372
1610	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1611	}	2374	}
1612	}	2375	}
1613	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1614	};	2377	};
1615	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1616		2379
1617	()	2380	()
1618	}	2381	}
1619		2382
		2383	# common code, used by both ->save and ->swapout
1620	sub save {	2384	sub _save {
1621	my ($self) = @_;	2385	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2386
1625	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1626		2388
1627	return unless $self->dirty;	2389	return unless $self->dirty;
1628		2390
…		…
1634	return if $self->{deny_save};	2396	return if $self->{deny_save};
1635		2397
1636	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1637		2399
1638	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1640	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1641		2406
1642	if ($uniq) {	2407	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2410	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2412	}
1648	}	2413	}
1649		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1650	sub swap_out {	2423	sub swap_out {
1651	my ($self) = @_;	2424	my ($self) = @_;
1652		2425
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1658	return if $self->players;	2430	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		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
1662	$self->clear;	2441	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2442	}
1665		2443
1666	sub reset_at {	2444	sub reset_at {
1667	my ($self) = @_;	2445	my ($self) = @_;
1668		2446
1669	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1672		2449
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2452
…		…
1686	my ($self) = @_;	2463	my ($self) = @_;
1687		2464
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2466
1690	return if $self->players;	2467	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2468
1693	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1694		2470
1695	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1696		2472
1697	# need to save uniques path	2473	# need to save uniques path
1698	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2476
…		…
1702	if $uniq;	2478	if $uniq;
1703	}	2479	}
1704		2480
1705	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1706		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2485	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2486
1711	$self->unlink_save;	2487	$self->unlink_save;
1712	$self->destroy;	2488	$self->destroy;
1713	}	2489	}
1714		2490
1715	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1716		2492
1717	sub nuke {	2493	sub nuke {
1718	my ($self) = @_;	2494	my ($self) = @_;
1719		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1720	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1721		2500
1722	$self->unlink_save;	2501	$self->unlink_save;
1723		2502
1724	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2508
1730	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1731		2511
1732	$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	]
1733	}	2549	}
1734		2550
1735	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1736		2552
1737	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2554	instantiated unique items. May block.
1739		2555
1740	=cut	2556	=cut
1741		2557
1742	sub unique_maps() {	2558	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2559	[
1744	or return;	2560	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2561	utf8::decode $_;
1750	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2564	? ()
1753	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2567	]
1755
1756	\@paths
1757	}	2568	}
1758		2569
1759	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	}
1760		2601
1761	=back	2602	=back
1762		2603
1763	=head3 cf::object	2604	=head3 cf::object
1764		2605
…		…
1768		2609
1769	=over 4	2610	=over 4
1770		2611
1771	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1772		2613
1773	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.
1774		2616
1775	=cut	2617	=cut
1776		2618
1777	sub inv_recursive_;	2619	sub inv_recursive_;
1778	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1781		2623
1782	sub inv_recursive {	2624	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1784	}	2626	}
1785		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
1786	package cf;	2656	package cf;
1787		2657
1788	=back	2658	=back
1789		2659
1790	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1796	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>
1797	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
1798	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1799		2669
1800	=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	};
1801		2685
1802	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2687	# with dialog boxes.
1804	#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
1805	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1807		2691
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2693
1810	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1815	}	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 (@_);
1816	}	2719	}
1817		2720
1818	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1819		2722
1820	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1833		2736
1834	=item $player_object->enter_link	2737	=item $player_object->enter_link
1835		2738
1836	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}>).
1837		2740
1838	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.
1839	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.
1840		2745
1841	Will never block.	2746	Will never block.
1842		2747
1843	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1844		2749
…		…
1864	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2770	my ($self) = @_;
1866		2771
1867	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1868		2773
		2774	++$self->{_link_recursion};
		2775
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2777
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1873		2780
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2782	}
1876		2783
1877	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1879		2788
1880	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1881		2790
1882	unless ($map) {	2791	unless ($map) {
1883	# restore original map position	2792	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1896		2805
1897	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1900		2809
1901	$map->load;	2810	$map->load;
1902	$map->load_diag;
1903		2811
1904	return unless $self->contr->active;	2812	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2813
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1909	}	2816	# entering was successful
1910		2817	delete $self->{_link_recursion};
1911	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2819	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2820	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2821
1925	# try to abort aborted map switching on player login :)	2822	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2823
1943	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		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
1945	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1946		2838
1947	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1948	my ($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;
1949		2850
1950	$self->enter_link;	2851	$self->enter_link;
1951		2852
1952	(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
1953	my $map = eval {	2875	my $map = eval {
1954	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1955	$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
1956	$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 $@;
1957	} or	2891	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1961	})->prio (1);	2899	})->prio (1);
1962	}	2900	}
1963		2901
1964	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1965		2903
…		…
1985	}	2923	}
1986		2924
1987	sub prepare_random_map {	2925	sub prepare_random_map {
1988	my ($exit) = @_;	2926	my ($exit) = @_;
1989		2927
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2930	# that depends on the exit object
1995		2931
1996	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2934	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2003	}	2941	}
2004		2942
2005	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2006		2944
2007	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2010		2948
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2951	undef $fh;
2014	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2015		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2018	}	2960	}
2019	}	2961	}
2020		2962
2021	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2023		2965
2024	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2025		2967
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2968	$self->enter_link;
2038		2969
2039	(async {	2970	(async {
2040	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2041	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
2042	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2043		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
2044	1;	3009	1
2045	}) {	3010	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "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. "
2048	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2050		3015
2051	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	3017	$self->leave_link;
2053	}	3018	}
2054	})->prio (1);	3019	})->prio (1);
2055	}	3020	}
2056		3021
…		…
2070		3035
2071	utf8::encode $text;	3036	utf8::encode $text;
2072	$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);
2073	}	3038	}
2074		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
2075	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2076		3228
2077	Sends an exti event to the client.	3229	Sends an ext event to the client.
2078		3230
2079	=cut	3231	=cut
2080		3232
2081	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2083		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2084	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2085	$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]));
2086	}	3256	}
2087		3257
2088	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2089		3259
2090	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2091	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>,
2092	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>.
2093		3263
2094	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
2095	reliable at some point in the future.	3265	become reliable at some point in the future.
2096		3266
2097	=cut	3267	=cut
2098		3268
2099	sub cf::client::query {	3269	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3278	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3280
2111	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2113	}	3285	}
2114		3286
2115	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	},
2116	on_reply => sub {	3293	on_reply => sub {
2117	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2118		3295
2119	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2120	# get handled first	3297	# get handled first
…		…
2132	} else {	3309	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3311	}
2135	}	3312	}
2136	},	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	},
2137	);	3337	);
2138		3338
2139	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2140		3340
2141	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3357
2158	$coro	3358	$coro
2159	}	3359	}
2160		3360
2161	cf::client->attach (	3361	cf::client->attach (
2162	on_destroy => sub {	3362	on_client_destroy => sub {
2163	my ($ns) = @_;	3363	my ($ns) = @_;
2164		3364
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3366	},
2167	);	3367	);
…		…
2182	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2184		3384
2185	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2186		3386
2187	$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	));
2188		3392
2189	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2190		3394
2191	=pod	3395	=pod
2192		3396
2193	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2194		3398
2195	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
2196	cf::object::player player	3404	cf::object::player
2197	cf::player peaceful	3405	player
2198	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2199		3412
2200	=cut	3413	=cut
2201		3414
2202	for (	3415	for (
2203	["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)],
2204	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2207	) {	3422	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3425	for @funs;
2212	}	3426	}
2213		3427
…		…
2228		3442
2229	my $qcode = $code;	3443	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2232		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2233	local $_;	3450	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3451
2236	my $eval =	3452	my $eval =
2237	"do {\n"	3453	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3456	. $code
2241	. "\n}"	3457	. "\n}"
2242	;	3458	;
2243		3459
		3460	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	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	}
2247		3469
2248	if ($@) {	3470	if ($@) {
2249	warn "$@";	3471	warn "$@",
2250	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2252	}	3474	}
2253		3475
2254	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2255	}	3477	}
2256		3478
…		…
2270	=cut	3492	=cut
2271		3493
2272	sub register_script_function {	3494	sub register_script_function {
2273	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2274		3496
2275	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2277	}	3499	}
2278		3500
2279	=back	3501	=back
2280		3502
2281	=cut	3503	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3504
2456	#############################################################################	3505	#############################################################################
2457	# the server's init and main functions	3506	# the server's init and main functions
2458		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2459	sub load_facedata($) {	3510	sub load_facedata($) {
2460	my ($path) = @_;	3511	my ($path) = @_;
2461		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
2462	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2463		3520
2464	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2465	0 < aio_load $path, $facedata
2466	or die "$path: $!";
2467
2468	$facedata = Coro::Storable::thaw $facedata;
2469		3522
2470	$facedata->{version} == 2	3523	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		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
2473	{	3535	{
2474	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2475		3537
2476	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
		3547
		3548	cf::cede_to_tick;
2482	}	3549	}
2483		3550
2484	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
2486	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
2487	or next;	3555	or next;
		3556
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3560	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3562	}
2493	Coro::cede;	3563
		3564	cf::cede_to_tick;
2494	}	3565	}
2495	}	3566	}
2496		3567
2497	{	3568	{
2498	my $anims = $facedata->{animinfo};	3569	my $anims = $facedata->{animinfo};
2499		3570
2500	while (my ($anim, $info) = each %$anims) {	3571	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3573	cf::cede_to_tick;
2503	}	3574	}
2504		3575
2505	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
2506	}	3577	}
2507		3578
		3579	{
		3580	my $res = $facedata->{resource};
		3581
		3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
		3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3586
		3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
		3591	} else {
		3592	# $RESOURCE{$name} = $info; # unused
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3600
2508	1	3601	1
2509	}	3602	}
2510		3603
		3604	register_exticmd fx_want => sub {
		3605	my ($ns, $want) = @_;
		3606
		3607	while (my ($k, $v) = each %$want) {
		3608	$ns->fx_want ($k, $v);
		3609	}
		3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
2511	sub reload_regions {	3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
2512	load_resource_file "$MAPDIR/regions"	3627	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3628	or die "unable to load regions file\n";
		3629
		3630	for (cf::region::list) {
		3631	$_->{match} = qr/$_->{match}/
		3632	if exists $_->{match};
		3633	}
2514	}	3634	}
2515		3635
2516	sub reload_facedata {	3636	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3637	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3638	or die "unable to load facedata\n";
…		…
2526	sub reload_treasures {	3646	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
2529	}	3649	}
2530		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
2531	sub reload_resources {	3671	sub reload_resources {
2532	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
2533		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
2534	reload_regions;	3679	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3680	reload_treasures;
2538		3681
2539	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
2540	}	3683	}
2541		3684
2542	sub init {	3685	sub reload_config {
2543	reload_resources;	3686	trace "reloading config file...\n";
2544	}
2545		3687
2546	sub cfg_load {	3688	my $config = load_file "$CONFDIR/config";
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3689	utf8::decode $config;
2548	or return;	3690	*CFG = decode_yaml $config;
2549		3691
2550	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;
2552
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3693
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557		3696
2558	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2562	};	3701	};
2563	warn $@ if $@;	3702	warn $@ if $@;
2564	}	3703	}
2565	}	3704	}
2566		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
2567	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2568	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3747	(async {
2572	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2574	};	3751	};
2575		3752
2576	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
2577	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2578	load_extensions;	3776	load_extensions;
2579		3777
2580	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2582	}	3795	}
2583		3796
2584	#############################################################################	3797	#############################################################################
2585	# initialisation and cleanup	3798	# initialisation and cleanup
2586		3799
2587	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2588	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2597	},
2598	);	3806	};
		3807	}
		3808	}
		3809
		3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
		3813	# first touch the runtime file to show we are still running:
		3814	# the fsync below can take a very very long time.
		3815
		3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3817
		3818	my $guard = cf::lock_acquire "write_runtime";
		3819
		3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3821	or return;
		3822
		3823	my $value = $cf::RUNTIME + 90 + 10;
		3824	# 10 is the runtime save interval, for a monotonic clock
		3825	# 60 allows for the watchdog to kill the server.
		3826
		3827	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3828	and return;
		3829
		3830	# always fsync - this file is important
		3831	aio_fsync $fh
		3832	and return;
		3833
		3834	# touch it again to show we are up-to-date
		3835	aio_utime $fh, undef, undef;
		3836
		3837	close $fh
		3838	or return;
		3839
		3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3841	and return;
		3842
		3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3844
2599	}	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
2600	}	3896	}
2601		3897
2602	sub emergency_save() {	3898	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2604		3900
2605	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
2606		3907
2607	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2608	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3919	$pl->save;
2616	}	3920	}
2617	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2618		3922
2619	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3928	$map->valid or next;
2623	$map->save;	3929	$map->save;
2624	}	3930	}
2625	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
2626		3932
2627	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
2630	};	3961	};
2631		3962
2632	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2633	}	3964	}
2634		3965
2635	sub post_cleanup {	3966	sub post_cleanup {
2636	my ($make_core) = @_;	3967	my ($make_core) = @_;
2637		3968
		3969	IO::AIO::flush;
		3970
2638	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
2640	}	4001	}
2641		4002
2642	sub do_reload_perl() {	4003	sub do_reload_perl() {
2643	# can/must only be called in main	4004	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2645	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2646	return;	4007	return;
2647	}	4008	}
2648		4009
2649	warn "reloading...";	4010	return if $RELOAD++;
2650		4011
2651	warn "entering sync_job";	4012	my $t1 = AE::time;
2652		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
2653	cf::sync_job {	4020	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	4021	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		4022
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	4025	%EXT_CORO = ();
2682		4026
2683	warn "removing commands";	4027	trace "perl_reload: removing commands";
2684	%COMMAND = ();	4028	%COMMAND = ();
2685		4029
2686	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2687	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2688		4033
2689	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2692		4037
2693	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2694	eval {	4039	eval {
2695	$cb->($pkg);	4040	$cb->($pkg);
2696	1	4041	1
2697	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
2698	}	4047	}
2699		4048
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		4052
2708	warn "... unloading $k";	4053	trace "... unloading $k";
2709	delete $INC{$k};	4054	delete $INC{$k};
2710		4055
2711	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2713		4058
2714	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2716	}	4064	}
2717		4065
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		4069
2725	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		4073
2729	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2730	# and global variables created in xs	4075	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2732		4077
2733	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2734		4079
2735	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2736	require cf;	4081	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2738		4083
2739	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2740	cf::cfg_load;	4085	cf::reload_config;
2741		4086
2742	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2743	cf::load_extensions;	4088	cf::load_extensions;
2744		4089
		4090	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2748	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
2751		4098
2752	warn "leaving sync_job";	4099	cf::_post_init 1;
2753		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
2754	1	4103	1
2755	} or do {	4104	} or do {
2756	warn $@;	4105	error $@;
2757	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
2758	exit 1;	4107	};
		4108
		4109	--$RELOAD;
2759	};	4110	}
2760		4111
2761	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
2762	};	4114	};
2763		4115
2764	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
2765		4117
2766	sub reload_perl() {	4118	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
2769		4121
2770	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4124
2773	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4126	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
2777	},	4128	};
2778	);	4129	};
2779	}	4130	}
2780		4131
2781	register_command "reload" => sub {	4132	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2783		4134
2784	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
		4137	async {
		4138	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4139	reload_perl;
		4140	};
2787	}	4141	}
2788	};	4142	};
2789		4143
2790	unshift @INC, $LIBDIR;	4144	#############################################################################
2791		4145
2792	my $bug_warning = 0;	4146	my $bug_warning = 0;
2793		4147
2794	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;
2796
2797	sub wait_for_tick {	4148	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2799	return if $Coro::current == $Coro::main;
2800		4150
2801	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
2802	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;
2804	}	4152	}
2805		4153
2806	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2808	return if $Coro::current == $Coro::main;
2809		4156
2810	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4159	$signal->wait;
2813	}	4160	}
2814		4161
2815	$TICK_WATCHER = Event->timer (	4162	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2825	return;	4166	return;
2826	}	4167	}
2827		4168
2828	$NOW = Event::time;	4169	cf::one_tick; # one server iteration
2829		4170
2830	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2831		4172
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4177	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4179	};
		4180	}
2842		4181
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4183	$sig->send;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4184	}
2861	);	4185	$WAIT_FOR_TICK->broadcast;
		4186
		4187	$LOAD = ($NOW - $TICK_START) / $TICK;
		4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4189
		4190	if (0) {
		4191	if ($NEXT_TICK) {
		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
		4196	}
		4197	}
2862		4198
2863	{	4199	{
2864	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4201
2866	reentrant => 0,
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2874		4203	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4205
2890	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4213
2893	cf::sync_job {	4214	cf::sync_job {
2894	eval {	4215	eval {
2895	BDB::db_env_open	4216	BDB::db_env_open
2896	$DB_ENV,	4217	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4221	0666;
2901		4222
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4224	};
2907		4225
2908	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4227	};
2910	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
2911	}	4239	}
2912		4240
2913	{	4241	{
		4242	# configure IO::AIO
		4243
2914	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	4247	}
		4248
		4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
2927		4251
2928	sub _log_backtrace {	4252	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
2930		4254
		4255	$msg =~ s/\n$//;
		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4260	# limit the # of concurrent backtraces
		4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
		4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
2931	async {	4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
2932	my @bt = fork_call {	4268	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
		4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	4272	or die "addr2line: $!";
2936		4273
2937	my @funcs;	4274	my @funcs;
2938	my @res = <$fh>;	4275	my @res = <$fh>;
2939	chomp for @res;	4276	chomp for @res;
2940	while (@res) {	4277	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	4278	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	4279	push @funcs, "[$func] $line";
		4280	}
		4281
		4282	@funcs
2943	}	4283	};
2944		4284
2945	@funcs	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4287	LOG llevInfo, "[ABT] $_\n" for @bt;
		4288	--$_log_backtrace;
2946	};	4289	};
2947		4290	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2952	};	4293	}
2953	}	4294	}
2954		4295
2955	# load additional modules	4296	# load additional modules
2956	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
2957		4299
2958	END { cf::emergency_save }	4300	END { cf::emergency_save }
2959		4301
2960	1	4302	1
2961		4303

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