ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 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 Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	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;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	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;
64	our $NOW;	139	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		140
67	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		144
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
84	binmode STDOUT;	161	binmode STDOUT;
85	binmode STDERR;	162	binmode STDERR;
86		163
87	# read virtual server time, if available	164	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
92	}	169	}
93		170
94	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	172
96	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		175
101	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
102		177
103	sub cf::map::normalise;	178	sub cf::map::normalise;
104		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
105	#############################################################################	184	#############################################################################
106		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
107	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
108		198
109	=over 4	199	=over 4
110		200
111	=item $cf::UPTIME	201	=item $cf::UPTIME
112		202
113	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.
114		219
115	=item $cf::RUNTIME	220	=item $cf::RUNTIME
116		221
117	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
118	every server tick.	223	every server tick.
119		224
120	=item $cf::LIBDIR	225	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		226	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		227	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		228
122	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		231	unique-items directory, player file directory, random maps directory and
		232	database environment.
124		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
125	=item $cf::NOW	240	=item $cf::LOAD
126		241
127	The time of the last (current) server tick.	242	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		243
133	=item %cf::CFG	244	=item %cf::CFG
134		245
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	247	from wherever your confdir points to.
137		248
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		250
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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
144	=back	284	=back
145		285
146	=cut	286	=cut
147		287
148	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	295	my $msg = join "", @_;
151	utf8::encode $msg;
152		296
153	$msg .= "\n"	297	$msg .= "\n"
154	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
155		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
156	LOG llevError, $msg;	302	LOG llevWarn, $msg;
157	};	303	};
158	}	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	};
159		318
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		326
167	# 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
168	# within the Safe compartment.	328	# within the Safe compartment.
169	for my $pkg (qw(	329	for my $pkg (qw(
170	cf::global cf::attachable	330	cf::global cf::attachable
171	cf::object cf::object::player	331	cf::object cf::object::player
172	cf::client cf::player	332	cf::client cf::player
173	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
174	cf::map cf::party cf::region	335	cf::party cf::region
175	)) {	336	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	338	}
179		339
180	$Event::DIED = sub {	340	$EV::DIED = sub {
181	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
182	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
183		350
184	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
185		352
186	=over 4	353	=over 4
187		354
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	374	$d
208	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
209	}	376	}
210		377
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
212		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
213	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
214		431
215	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
216		433
217	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
218		435
219	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
220		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
221	=item cf::lock_wait $string	507	=item cf::lock_wait $string
222		508
223	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
224		510
225	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
226		512
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
230	returned.	516	returned.
231		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
232	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
233	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
234		523
235	=cut	524	=item $locked = cf::lock_active $string
236		525
237	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
238		531
239	sub lock_wait($) {	532	sub lock_wait($) {
240	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	534	}
248		535
249	sub lock_acquire($) {	536	sub lock_acquire($) {
250	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
251		539
252	# wait, to be sure we are not locked	540	sub lock_active($) {
253	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	542	}
262		543
263	sub freeze_mainloop {	544	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
265		546
266	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
267	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
268	};	617	}
269	$TICK_WATCHER->stop;	618	};
270	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
271	}	633	}
272		634
273	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
274		636
275	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		642
281	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
282		644
283	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
284		646
285	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
288		651
289	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
292	fast or be very important.	655	fast or be very important.
…		…
294	=cut	657	=cut
295		658
296	sub sync_job(&) {	659	sub sync_job(&) {
297	my ($job) = @_;	660	my ($job) = @_;
298		661
299	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
300	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
302		667
303	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	669
305	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
306		671
307	my $busy = 1;	672	my $busy = 1;
308	my @res;	673	my @res;
309		674
310	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	677	@res = eval { $job->() };
312	warn $@ if $@;	678	error $@ if $@;
313	undef $busy;	679	undef $busy;
314	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
315		681
316	while ($busy) {	682	while ($busy) {
317	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
318	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
319		693
320	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
321	} else {	695	} else {
322	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
323		697
…		…
343	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
344		718
345	$coro	719	$coro
346	}	720	}
347		721
348	sub write_runtime {	722	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		723
351	my $runtime = cf::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.
352		728
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
354	or return;
355		730
356	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
358	# 60 allows for the watchdog to kill the server.	733	}
359		734
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
361	and return;	736	my ($cb, @args) = @_;
362		737
363	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
365	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
366		741
367	close $fh	742	my @res = Coro::Util::fork_eval {
368	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
369		746
370	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
371	and return;	748	}
372		749
		750	sub objinfo {
373	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"
374	}	914	}
375		915
376	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
377		917
378	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.
379		919
380	=cut	920	=cut
381		921
382	sub datalog($@) {	922	sub datalog($@) {
383	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	925	}
386		926
387	=back	927	=back
388		928
389	=cut	929	=cut
390		930
391	#############################################################################	931	#############################################################################
392		932
393	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
394		934
395	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
396	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")
397	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
398		938
399	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>
400	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
401	crossfire+).	941	Deliantra).
402		942
403	=over 4	943	=over 4
404		944
405	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
406		946
…		…
450	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
451		991
452	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
454		994
455	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		997
458	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
459		999
460	=over 4	1000	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
570		1110
571	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1115
576	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
578		1118
579	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
584		1124
585	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1127
588	} elsif (ref $type) {	1128	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
590		1130
591	} else {	1131	} else {
592	shift @arg;	1132	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
594	}	1134	}
595	}	1135	}
596	}	1136	}
597		1137
598	sub _object_attach {	1138	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
609	}	1149	}
610		1150
611	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
612	} else {	1152	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1154	}
615		1155
616	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
617	}	1157	}
618		1158
…		…
620	if (ref $_[0]) {	1160	if (ref $_[0]) {
621	_object_attach @_;	1161	_object_attach @_;
622	} else {	1162	} else {
623	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
624	}	1164	}
		1165	_recalc_want;
625	};	1166	};
626		1167
627	# all those should be optimised	1168	# all those should be optimised
628	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1174	reattach ($obj);
634	} else {	1175	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
636	}	1177	}
		1178	_recalc_want;
637	};	1179	};
638		1180
639	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
641		1183
…		…
656	";	1198	";
657	die if $@;	1199	die if $@;
658	}	1200	}
659		1201
660	our $override;	1202	our $override;
661	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?
662		1204
663	sub override {	1205	sub override {
664	$override = 1;	1206	$override = 1;
665	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
666	}	1208	}
667		1209
668	sub do_invoke {	1210	sub do_invoke {
669	my $event = shift;	1211	my $event = shift;
670	my $callbacks = shift;	1212	my $callbacks = shift;
671		1213
672	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
673		1215
674	local $override;	1216	local $override;
675		1217
676	for (@$callbacks) {	1218	for (@$callbacks) {
677	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
678		1220
679	if ($@) {	1221	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1223	override;
683	}	1224	}
684		1225
685	return 1 if $override;	1226	return 1 if $override;
686	}	1227	}
687		1228
688	0	1229	0
689	}	1230	}
690		1231
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1233
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1235
695	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
696		1237
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1241
701	=back	1242	=back
702		1243
703	=cut	1244	=cut
704		1245
705	#############################################################################	1246	#############################################################################
706	# 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, $ob2
		1289	}
707		1290
708	sub reattach {	1291	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1293	my ($obj) = @_;
711		1294
		1295	# no longer needed after getting rid of delete_package?
712	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
713		1297
714	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
715		1299
716	@$registry = ();	1300	@$registry = ();
717		1301
…		…
722	for (@$attach) {	1306	for (@$attach) {
723	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
725	}	1309	}
726	} else {	1310	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1312	}
729	}	1313	}
730	}	1314	}
731		1315
732	cf::attachable->attach (	1316	cf::attachable->attach (
733	prio => -1000000,	1317	prio => -1000000,
734	on_instantiate => sub {	1318	on_instantiate => sub {
735	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
736		1320
737	$data = from_json $data;	1321	$data = decode_json $data;
738		1322
739	for (@$data) {	1323	for (@$data) {
740	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
741		1325
742	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1342	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
760		1344
761	sync_job {	1345	sync_job {
762	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
765		1351
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1359	aio_close $fh;
771		1360
772	if (@$objs) {	1361	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1370	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
780	}	1372	}
781	} else {	1373	} else {
782	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
783	}	1375	}
784		1376
785	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1381	} else {
787	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
788	}	1383	}
789	} else {	1384	} else {
790	aio_unlink $filename;	1385	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
792	}	1387	}
793	}	1388	};
794	}	1389	}
795		1390
796	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
798		1393
…		…
810	or return;	1405	or return;
811		1406
812	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
814	or return;	1409	or return;
		1410
815	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
816	}	1413	}
817		1414
		1415	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
820	return ($data, $av);	1420	($data, $av)
821	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
822		1428
823	#############################################################################	1429	#############################################################################
824	# command handling &c	1430	# command handling &c
825		1431
826	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1446	}
841		1447
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1449
844	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.
845		1455
846	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
847	called.	1457	called.
848		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
849	=cut	1470	=cut
850		1471
851	sub register_extcmd {	1472	sub register_extcmd {
852	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
853		1474
854	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
855	}	1476	}
856		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
857	cf::player->attach (	1486	cf::player->attach (
858	on_command => sub {	1487	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
860		1489
861	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
862	or return;	1491	or return;
863		1492
…		…
868	cf::override;	1497	cf::override;
869	},	1498	},
870	on_extcmd => sub {	1499	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
872		1501
873	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1503
875	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
881	} else {	1516	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1518	}
884		1519
885	cf::override;	1520	cf::override;
886	},	1521	},
887	);	1522	);
888		1523
		1524	# "readahead" all extensions
889	sub load_extension {	1525	sub cache_extensions {
890	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
891		1527
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1531	}
917	die $@;
918	}	1532	};
919		1533
920	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;
921	}	1546	}
922		1547
923	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
924	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1557	next unless -r $path;
926	eval {	1558
927	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 $active;
		1630	}
928	1	1631	}
929	} or warn "$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	}
930	}	1644	};
931	}	1645	}
932		1646
933	#############################################################################	1647	#############################################################################
934		1648
		1649	=back
		1650
935	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
936		1652
937	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
938		1654
939	=cut	1655	=cut
940		1656
941	package cf::player;	1657	package cf::player;
942		1658
…		…
944		1660
945	=head3 cf::player	1661	=head3 cf::player
946		1662
947	=over 4	1663	=over 4
948		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	}
		1678
949	=item cf::player::find $login	1679	=item cf::player::find $login
950		1680
951	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
952		1682
953	=cut	1683	=cut
954		1684
955	sub playerdir($) {	1685	sub playerdir($) {
956	cf::localdir	1686	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1688	}
962		1689
963	sub path($) {	1690	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1701
975	sub exists($) {	1702	sub exists($) {
976	my ($login) = @_;	1703	my ($login) = @_;
977		1704
978	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
980	}	1707	}
981		1708
982	sub find($) {	1709	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1711	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
995		1722
996	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
999	}	1732	}
1000	}	1733	}
1001	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1002		1748
1003	sub save($) {	1749	sub save($) {
1004	my ($pl) = @_;	1750	my ($pl) = @_;
1005		1751
1006	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1012		1758
1013	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1015		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
1016	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1017	Coro::cede;	1768	cf::cede_to_tick;
1018	}	1769	}
1019		1770
1020	sub new($) {	1771	sub new($) {
1021	my ($login) = @_;	1772	my ($login) = @_;
1022		1773
…		…
1028	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1029		1780
1030	$self	1781	$self
1031	}	1782	}
1032		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
1033	=item $pl->quit_character	1794	=item $pl->quit_character
1034		1795
1035	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1037		1798
…		…
1041	my ($pl) = @_;	1802	my ($pl) = @_;
1042		1803
1043	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1044		1805
1045	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1046	$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
1047		1808
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1051	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1052		1817
1053	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1085		1850
1086	=cut	1851	=cut
1087		1852
1088	sub list_logins {	1853	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1855	or return [];
1091		1856
1092	my @logins;	1857	my @logins;
1093		1858
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1098		1869
1099	utf8::decode $login;	1870	utf8::decode $login;
1100	push @logins, $login;	1871	push @logins, $login;
1101	}	1872	}
1102		1873
1103	\@logins	1874	\@logins
1104	}	1875	}
1105		1876
1106	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1107		1880
1108	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1109	player. May block.	1882	player. May block.
1110		1883
1111	=cut	1884	=cut
…		…
1129	}	1902	}
1130		1903
1131	\@paths	1904	\@paths
1132	}	1905	}
1133		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1134	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1135		1912
1136	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1137		1914
1138	=cut	1915	=cut
1139		1916
1140	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1142		1919
1143	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1921	}
1147		1922
1148	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1149		1924
1150	Sends an ext event to the client.	1925	Sends an ext event to the client.
1151		1926
1152	=cut	1927	=cut
1153		1928
1154	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1156		1931
1157	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1158	}	1933	}
1159		1934
1160	=head3 cf::region	1935	=head3 cf::region
1161		1936
1162	=over 4	1937	=over 4
…		…
1165		1940
1166	package cf::region;	1941	package cf::region;
1167		1942
1168	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1169		1944
1170	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1171		1946
1172	=cut	1947	=cut
1173		1948
1174	sub find_by_path($) {	1949	sub find_by_path($) {
1175	my ($path) = @_;	1950	my ($path) = @_;
1176		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1177	my ($match, $specificity);	1954	my ($match, $specificity);
1178		1955
1179	for my $region (list) {	1956	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1183	}	1960	}
1184	}	1961	}
1185		1962
…		…
1206	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1208		1985
1209	sub generate_random_map {	1986	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1212	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1992	}
1226		1993
1227	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1228		1995
1229	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
…		…
1234		2001
1235	sub register {	2002	sub register {
1236	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	2004	my $pkg = caller;
1238		2005
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		2007
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	2009	}
1244		2010
1245	# also paths starting with '/'	2011	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		2013
1248	sub thawer_merge {	2014	sub thawer_merge {
1249	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1250		2016
1251	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1252	local $self->{path};	2018	local $self->{path};
1253	local $self->{load_path};	2019	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		2020
1257	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1258	}	2022	}
1259		2023
1260	sub normalise {	2024	sub normalise {
1261	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1262		2026
1263	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1264		2028
1265	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1266		2030
1267	# map plan:	2031	# map plan:
1268	#	2032	#
…		…
1283	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	2048	$path = "$base/$path";
1285	}	2049	}
1286		2050
1287	for ($path) {	2051	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1291	}	2054	}
1292		2055
1293	$path	2056	$path
…		…
1307	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1308	return $self;	2071	return $self;
1309	}	2072	}
1310	}	2073	}
1311		2074
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2076	()
1314	}	2077	}
1315		2078
		2079	# may re-bless or do other evil things
1316	sub init {	2080	sub init {
1317	my ($self) = @_;	2081	my ($self) = @_;
1318		2082
1319	$self	2083	$self
1320	}	2084	}
…		…
1332		2096
1333	# the original (read-only) location	2097	# the original (read-only) location
1334	sub load_path {	2098	sub load_path {
1335	my ($self) = @_;	2099	my ($self) = @_;
1336		2100
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1338	}	2102	}
1339		2103
1340	# the temporary/swap location	2104	# the temporary/swap location
1341	sub save_path {	2105	sub save_path {
1342	my ($self) = @_;	2106	my ($self) = @_;
1343		2107
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1346	}	2110	}
1347		2111
1348	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1349	sub uniq_path {	2113	sub uniq_path {
1350	my ($self) = @_;	2114	my ($self) = @_;
1351		2115
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1354	}	2118	}
1355		2119
1356	# and all this just because we cannot iterate over	2120	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2121	my ($self) = @_;
1360		2122
1361	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1363	}	2126	}
1364		2127
1365	sub unlink_save {	2128	sub unlink_save {
1366	my ($self) = @_;	2129	my ($self) = @_;
1367		2130
…		…
1372		2135
1373	sub load_header_from($) {	2136	sub load_header_from($) {
1374	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1375		2138
1376	utf8::encode $path;	2139	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2141	or return;
1382		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1383	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1384		2150
1385	1	2151	1
1386	}	2152	}
1387		2153
		2154	# used to laod the header of an original map
1388	sub load_header_orig {	2155	sub load_header_orig {
1389	my ($self) = @_;	2156	my ($self) = @_;
1390		2157
1391	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1392	}	2159	}
1393		2160
		2161	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2162	sub load_header_temp {
1395	my ($self) = @_;	2163	my ($self) = @_;
1396		2164
1397	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1398	}	2166	}
1399		2167
		2168	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2169	sub prepare_temp {
1401	my ($self) = @_;	2170	my ($self) = @_;
1402		2171
1403	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1405	# safety	2174	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2177	}
1409		2178
		2179	# called after loading the header from an original map
1410	sub prepare_orig {	2180	sub prepare_orig {
1411	my ($self) = @_;	2181	my ($self) = @_;
1412		2182
1413	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2195	$self->load_header_orig
1426	or return;	2196	or return;
1427	$self->prepare_orig;	2197	$self->prepare_orig;
1428	}	2198	}
1429		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1430	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2204	unless $self->default_region;
1432		2205
1433	1	2206	1
1434	}	2207	}
1435		2208
1436	sub find;	2209	sub find;
1437	sub find {	2210	sub find {
1438	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1439		2212
		2213	cf::cede_to_tick;
		2214
1440	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1441		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2219
1444	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1447	or return;	2222	or return;
1448		2223
1449	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1450		2225
1451	$map->load_header	2226	$map->load_header
1452	or return;	2227	or return;
1453		2228
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1457	$map->reset;	2234	$map->reset;
1458	undef $guard;
1459	return find $path;	2235	return find $path;
1460	}	2236	}
1461		2237
1462	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1463	}	2239	}
1464	}	2240	}
1465		2241
1466	sub pre_load { }	2242	sub pre_load { }
1467	sub post_load { }	2243	#sub post_load { } # XS
1468		2244
1469	sub load {	2245	sub load {
1470	my ($self) = @_;	2246	my ($self) = @_;
1471		2247
1472	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1473		2249
1474	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1476		2254
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1478		2257
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2258	$self->alloc;
1482		2259
1483	$self->pre_load;	2260	$self->pre_load;
1484	Coro::cede;	2261	cf::cede_to_tick;
1485		2262
1486	$self->_load_objects ($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)
1487	or return;	2267	or return;
1488		2268
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1490	if delete $self->{load_original};	2270	if delete $self->{load_original};
1491		2271
1492	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2273	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2276	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1497	}	2281	}
1498	}
1499		2282
1500	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;
1501	# now do the right thing for maps	2292	# now do the right thing for maps
1502	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2295	unless $self->difficulty;
1513	Coro::cede;	2296	cf::cede_to_tick;
1514	$self->activate;	2297
1515	Coro::cede;	2298	unless ($self->{deny_activate}) {
		2299	$self->decay_objects;
		2300	$self->fix_auto_apply;
		2301	$self->update_buttons;
		2302	cf::cede_to_tick;
		2303	#$self->activate; # no longer activate maps automatically
		2304	}
		2305
		2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1516	}	2308	}
1517		2309
1518	$self->post_load;	2310	$self->post_load;
1519	Coro::cede;
1520		2311
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1522	}	2313	}
1523		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2318	sub customise_for {
1525	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1526		2320
1527	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2322	if $self->per_player;
1529		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1530	$self	2327	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($map) = @_;
1536
1537	my @diag; # diagonal neighbours
1538
1539	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)
1541	or next;
1542	$neigh = find $neigh, $map
1543	or next;
1544	$neigh->load;
1545
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}
1549
1550	for (@diag) {
1551	my $neigh = find @$_
1552	or next;
1553	$neigh->load;
1554	}
1555	}	2328	}
1556		2329
1557	sub find_sync {	2330	sub find_sync {
1558	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1559		2332
1560	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, $origin
1561	}	2338	}
1562		2339
1563	sub do_load_sync {	2340	sub do_load_sync {
1564	my ($map) = @_;	2341	my ($map) = @_;
1565		2342
1566	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;
1567	}	2348	}
1568		2349
1569	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1571		2352
1572	sub find_async {	2353	sub find_async {
1573	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1574		2355
1575	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1576		2357
1577	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1579	}	2360	}
1580		2361
1581	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1582	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1583	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2369	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2370	$map->load if $v;
		2371	}
1588		2372
1589	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1590	}	2374	}
1591	}	2375	}
1592	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1593	};	2377	};
1594	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1595		2379
1596	()	2380	()
1597	}	2381	}
1598		2382
		2383	# common code, used by both ->save and ->swapout
1599	sub save {	2384	sub _save {
1600	my ($self) = @_;	2385	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2386
1604	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1605		2388
1606	return unless $self->dirty;	2389	return unless $self->dirty;
1607		2390
…		…
1613	return if $self->{deny_save};	2396	return if $self->{deny_save};
1614		2397
1615	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1616		2399
1617	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1619	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1620		2406
1621	if ($uniq) {	2407	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2410	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2412	}
1627	}	2413	}
1628		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1629	sub swap_out {	2423	sub swap_out {
1630	my ($self) = @_;	2424	my ($self) = @_;
1631		2425
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1637	return if $self->players;	2430	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		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
1641	$self->clear;	2441	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2442	}
1644		2443
1645	sub reset_at {	2444	sub reset_at {
1646	my ($self) = @_;	2445	my ($self) = @_;
1647		2446
1648	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1651		2449
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2452
…		…
1665	my ($self) = @_;	2463	my ($self) = @_;
1666		2464
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2466
1669	return if $self->players;	2467	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2468
1672	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1673		2470
1674	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1675		2472
1676	# need to save uniques path	2473	# need to save uniques path
1677	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2476
…		…
1681	if $uniq;	2478	if $uniq;
1682	}	2479	}
1683		2480
1684	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1685		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2485	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2486
1690	$self->unlink_save;	2487	$self->unlink_save;
1691	$self->destroy;	2488	$self->destroy;
1692	}	2489	}
1693		2490
1694	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1695		2492
1696	sub nuke {	2493	sub nuke {
1697	my ($self) = @_;	2494	my ($self) = @_;
1698		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1699	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1700		2500
1701	$self->unlink_save;	2501	$self->unlink_save;
1702		2502
1703	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2508
1709	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1710		2511
1711	$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	]
1712	}	2549	}
1713		2550
1714	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1715		2552
1716	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2554	instantiated unique items. May block.
1718		2555
1719	=cut	2556	=cut
1720		2557
1721	sub unique_maps() {	2558	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1723	or return;	2560	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2561	utf8::decode $_;
1729	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2564	? ()
1732	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2567	]
1734
1735	\@paths
1736	}	2568	}
1737		2569
1738	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	}
1739		2601
1740	=back	2602	=back
1741		2603
1742	=head3 cf::object	2604	=head3 cf::object
1743		2605
…		…
1747		2609
1748	=over 4	2610	=over 4
1749		2611
1750	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1751		2613
1752	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.
1753		2616
1754	=cut	2617	=cut
1755		2618
1756	sub inv_recursive_;	2619	sub inv_recursive_;
1757	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1760		2623
1761	sub inv_recursive {	2624	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1763	}	2626	}
1764		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
1765	package cf;	2656	package cf;
1766		2657
1767	=back	2658	=back
1768		2659
1769	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1775	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>
1776	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
1777	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1778		2669
1779	=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	};
1780		2685
1781	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2687	# with dialog boxes.
1783	#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
1784	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1786		2691
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2693
1789	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1794	}	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 (@_);
1795	}	2719	}
1796		2720
1797	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1798		2722
1799	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1812		2736
1813	=item $player_object->enter_link	2737	=item $player_object->enter_link
1814		2738
1815	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}>).
1816		2740
1817	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.
1818	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.
1819		2745
1820	Will never block.	2746	Will never block.
1821		2747
1822	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1823		2749
…		…
1843	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2770	my ($self) = @_;
1845		2771
1846	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1847		2773
		2774	++$self->{_link_recursion};
		2775
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2777
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1852		2780
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2782	}
1855		2783
1856	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1858		2788
1859	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1860		2790
1861	unless ($map) {	2791	unless ($map) {
1862	# restore original map position	2792	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1875		2805
1876	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1879		2809
1880	$map->load;	2810	$map->load;
1881	$map->load_diag;
1882		2811
1883	return unless $self->contr->active;	2812	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2813
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1888	}	2816	# entering was successful
1889		2817	delete $self->{_link_recursion};
1890	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2819	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2820	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2821
1904	# try to abort aborted map switching on player login :)	2822	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2823
1922	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		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
1924	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1925		2838
1926	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1927	my ($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;
1928		2850
1929	$self->enter_link;	2851	$self->enter_link;
1930		2852
1931	(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
1932	my $map = eval {	2875	my $map = eval {
1933	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2891	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1940	})->prio (1);	2899	})->prio (1);
1941	}	2900	}
1942		2901
1943	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1944		2903
…		…
1964	}	2923	}
1965		2924
1966	sub prepare_random_map {	2925	sub prepare_random_map {
1967	my ($exit) = @_;	2926	my ($exit) = @_;
1968		2927
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2930	# that depends on the exit object
1974		2931
1975	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2934	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1982	}	2941	}
1983		2942
1984	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1985		2944
1986	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1989		2948
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2951	undef $fh;
1993	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1994		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1997	}	2960	}
1998	}	2961	}
1999		2962
2000	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2002		2965
2003	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2004		2967
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2968	$self->enter_link;
2017		2969
2018	(async {	2970	(async {
2019	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2020	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
2021	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2022		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
2023	1;	3009	1
2024	}) {	3010	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "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. "
2027	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2029		3015
2030	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	3017	$self->leave_link;
2032	}	3018	}
2033	})->prio (1);	3019	})->prio (1);
2034	}	3020	}
2035		3021
…		…
2049		3035
2050	utf8::encode $text;	3036	utf8::encode $text;
2051	$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);
2052	}	3038	}
2053		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
2054	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2055		3228
2056	Sends an exti event to the client.	3229	Sends an ext event to the client.
2057		3230
2058	=cut	3231	=cut
2059		3232
2060	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2062		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2064	$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]));
2065	}	3256	}
2066		3257
2067	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2068		3259
2069	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		3263
2073	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
2074	reliable at some point in the future.	3265	become reliable at some point in the future.
2075		3266
2076	=cut	3267	=cut
2077		3268
2078	sub cf::client::query {	3269	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3278	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3280
2090	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2092	}	3285	}
2093		3286
2094	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	},
2095	on_reply => sub {	3293	on_reply => sub {
2096	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2097		3295
2098	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2099	# get handled first	3297	# get handled first
…		…
2111	} else {	3309	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3311	}
2114	}	3312	}
2115	},	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	},
2116	);	3337	);
2117		3338
2118	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2119		3340
2120	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3357
2137	$coro	3358	$coro
2138	}	3359	}
2139		3360
2140	cf::client->attach (	3361	cf::client->attach (
2141	on_destroy => sub {	3362	on_client_destroy => sub {
2142	my ($ns) = @_;	3363	my ($ns) = @_;
2143		3364
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3366	},
2146	);	3367	);
…		…
2161	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2163		3384
2164	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2165		3386
2166	$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	));
2167		3392
2168	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2169		3394
2170	=pod	3395	=pod
2171		3396
2172	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2173		3398
2174	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
2175	cf::object::player player	3404	cf::object::player
2176	cf::player peaceful	3405	player
2177	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2178		3412
2179	=cut	3413	=cut
2180		3414
2181	for (	3415	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2186	) {	3422	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3425	for @funs;
2191	}	3426	}
2192		3427
…		…
2207		3442
2208	my $qcode = $code;	3443	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2211		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2212	local $_;	3450	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3451
2215	my $eval =	3452	my $eval =
2216	"do {\n"	3453	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3456	. $code
2220	. "\n}"	3457	. "\n}"
2221	;	3458	;
2222		3459
		3460	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	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	}
2226		3469
2227	if ($@) {	3470	if ($@) {
2228	warn "$@";	3471	warn "$@",
2229	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2231	}	3474	}
2232		3475
2233	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2234	}	3477	}
2235		3478
…		…
2249	=cut	3492	=cut
2250		3493
2251	sub register_script_function {	3494	sub register_script_function {
2252	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2253		3496
2254	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2256	}	3499	}
2257		3500
2258	=back	3501	=back
2259		3502
2260	=cut	3503	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3504
2334	#############################################################################	3505	#############################################################################
2335	# the server's init and main functions	3506	# the server's init and main functions
2336		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2337	sub load_facedata {	3510	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3511	my ($path) = @_;
2339		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
2340	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2341		3520
2342	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3522
2348	$facedata->{version} == 2	3523	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3535	{
2352	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2353		3537
2354	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	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;
2360	}	3549	}
2361		3550
2362	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
2364	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
2365	or next;	3555	or next;
		3556
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3560	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3562	}
2371	Coro::cede;	3563
		3564	cf::cede_to_tick;
2372	}	3565	}
2373	}	3566	}
2374		3567
2375	{	3568	{
2376	my $anims = $facedata->{animinfo};	3569	my $anims = $facedata->{animinfo};
2377		3570
2378	while (my ($anim, $info) = each %$anims) {	3571	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3573	cf::cede_to_tick;
2381	}	3574	}
2382		3575
2383	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
2384	}	3577	}
2385		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
2386	1	3601	1
2387	}	3602	}
2388		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
		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
		3627	load_resource_file "$MAPDIR/regions"
		3628	or die "unable to load regions file\n";
		3629
		3630	for (cf::region::list) {
		3631	$_->{match} = qr/$_->{match}/
		3632	if exists $_->{match};
		3633	}
		3634	}
		3635
		3636	sub reload_facedata {
		3637	load_facedata "$DATADIR/facedata"
		3638	or die "unable to load facedata\n";
		3639	}
		3640
		3641	sub reload_archetypes {
		3642	load_resource_file "$DATADIR/archetypes"
		3643	or die "unable to load archetypes\n";
		3644	}
		3645
		3646	sub reload_treasures {
		3647	load_resource_file "$DATADIR/treasures"
		3648	or die "unable to load treasurelists\n";
		3649	}
		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
2389	sub reload_resources {	3671	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3672	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3673
		3674	reload_exp_table;
		3675	reload_materials;
2392	load_facedata	3676	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3677	reload_sound;
2394	}	3678	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3679	reload_regions;
2398	}	3680	reload_treasures;
2399		3681
2400	sub cfg_load {	3682	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3683	}
2402	or return;
2403		3684
2404	local $/;	3685	sub reload_config {
2405	*CFG = YAML::Syck::Load <$fh>;	3686	trace "reloading config file...\n";
2406		3687
		3688	my $config = load_file "$CONFDIR/config";
		3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
		3691
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3693
2409	$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};
2410	$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};
2411		3696
2412	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2416	};	3701	};
2417	warn $@ if $@;	3702	warn $@ if $@;
2418	}	3703	}
2419	}	3704	}
2420		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
2421	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
2422	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2424	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#
2425	(async {	3747	(async {
2426	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2428	};	3751	};
2429		3752
2430	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;
2431	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
2432	load_extensions;	3776	load_extensions;
2433		3777
2434	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2435	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;
2436	}	3795	}
2437		3796
2438	#############################################################################	3797	#############################################################################
2439	# initialisation and cleanup	3798	# initialisation and cleanup
2440		3799
2441	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2442	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2451	},
2452	);	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
2453	}	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 };
2454	}	3896	}
2455		3897
2456	sub emergency_save() {	3898	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2458		3900
2459	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;
2460		3907
2461	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2462	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3919	$pl->save;
2470	}	3920	}
2471	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2472		3922
2473	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";
2474	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3928	$map->valid or next;
2477	$map->save;	3929	$map->save;
2478	}	3930	}
2479	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
2480		3932
2481	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";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
2483	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
2484	};	3961	};
2485		3962
2486	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2487	}	3964	}
2488		3965
2489	sub post_cleanup {	3966	sub post_cleanup {
2490	my ($make_core) = @_;	3967	my ($make_core) = @_;
2491		3968
		3969	IO::AIO::flush;
		3970
2492	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3972	if $make_core;
2494	}
2495		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	}
		4001	}
		4002
2496	sub reload() {	4003	sub do_reload_perl() {
2497	# can/must only be called in main	4004	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2499	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2500	return;	4007	return;
2501	}	4008	}
2502		4009
2503	warn "reloading...";	4010	return if $RELOAD++;
2504		4011
2505	warn "entering sync_job";	4012	my $t1 = AE::time;
2506		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
2507	cf::sync_job {	4020	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	4021	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		4022
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	4025	%EXT_CORO = ();
2536		4026
2537	warn "removing commands";	4027	trace "perl_reload: removing commands";
2538	%COMMAND = ();	4028	%COMMAND = ();
2539		4029
2540	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2541	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2542		4033
2543	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2546		4037
2547	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2548	eval {	4039	eval {
2549	$cb->($pkg);	4040	$cb->($pkg);
2550	1	4041	1
2551	} 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;
2552	}	4047	}
2553		4048
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		4052
2562	warn "... unloading $k";	4053	trace "... unloading $k";
2563	delete $INC{$k};	4054	delete $INC{$k};
2564		4055
2565	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2567		4058
2568	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2570	}	4064	}
2571		4065
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2577	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);
2578		4069
2579	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
		4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		4073
2582	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2583	# and global variables created in xs	4075	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2585		4077
2586	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2587		4079
2588	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2589	require cf;	4081	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2591		4083
2592	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2593	cf::cfg_load;	4085	cf::reload_config;
2594		4086
2595	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2596	cf::load_extensions;	4088	cf::load_extensions;
2597		4089
		4090	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2601	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
2604		4098
2605	warn "loading reloadable resources";	4099	cf::_post_init 1;
2606	reload_resources;
2607		4100
2608	warn "leaving sync_job";	4101	trace "perl_reload: leaving sync_job";
2609		4102
2610	1	4103	1
2611	} or do {	4104	} or do {
2612	warn $@;	4105	error $@;
2613	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
2614	exit 1;	4107	};
		4108
		4109	--$RELOAD;
		4110	}
		4111
		4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
		4114	};
		4115
		4116	our $RELOAD_WATCHER; # used only during reload
		4117
		4118	sub reload_perl() {
		4119	# doing reload synchronously and two reloads happen back-to-back,
		4120	# coro crashes during coro_state_free->destroy here.
		4121
		4122	$RELOAD_WATCHER ||= cf::async {
		4123	Coro::AIO::aio_wait cache_extensions;
		4124
		4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4126	do_reload_perl;
		4127	undef $RELOAD_WATCHER;
		4128	};
2615	};	4129	};
2616		4130	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4131
2622	register_command "reload" => sub {	4132	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2624		4134
2625	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
2627		4137	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4138	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4139	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4140	};
2640	}	4141	}
2641	};	4142	};
2642		4143
2643	unshift @INC, $LIBDIR;	4144	#############################################################################
2644		4145
2645	my $bug_warning = 0;	4146	my $bug_warning = 0;
2646		4147
2647	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;
2649
2650	sub wait_for_tick {	4148	sub wait_for_tick() {
2651	my $signal = new Coro::Signal;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2652	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;
2654	}
2655		4150
		4151	$WAIT_FOR_TICK->wait;
		4152	}
		4153
2656	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
		4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4156
2657	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	4159	$signal->wait;
2660	}	4160	}
2661		4161
2662	$TICK_WATCHER = Event->timer (	4162	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2672	return;	4166	return;
2673	}	4167	}
2674		4168
2675	$NOW = Event::time;	4169	cf::one_tick; # one server iteration
2676		4170
2677	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		4172
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	4177	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
2686	};
2687	}	4179	};
		4180	}
2688		4181
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	4183	$sig->send;
2691	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	4184	}
2705	);	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	}
2706		4198
2707	{	4199	{
2708	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	4201
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2718		4203	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		4205
2734	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2735	$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);
2736		4213
2737	cf::sync_job {	4214	cf::sync_job {
2738	eval {	4215	eval {
2739	BDB::db_env_open	4216	BDB::db_env_open
2740	$DB_ENV,	4217	$DB_ENV,
2741	$BDB_ENV_DIR,	4218	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	4221	0666;
2745		4222
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	4224	};
2751		4225
2752	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	4227	};
2754	}	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	};
2755	}	4239	}
2756		4240
2757	{	4241	{
		4242	# configure IO::AIO
		4243
2758	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	4247	}
		4248
		4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
		4251
		4252	sub _log_backtrace {
		4253	my ($msg, @addr) = @_;
		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;
		4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
		4268	my @bt = fork_call {
		4269	@addr = map { sprintf "%x", $_ } @addr;
		4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4272	or die "addr2line: $!";
		4273
		4274	my @funcs;
		4275	my @res = <$fh>;
		4276	chomp for @res;
		4277	while (@res) {
		4278	my ($func, $line) = splice @res, 0, 2, ();
		4279	push @funcs, "[$func] $line";
		4280	}
		4281
		4282	@funcs
		4283	};
		4284
		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;
		4289	};
		4290	} else {
		4291	LOG llevInfo, "[ABT] $msg\n";
		4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4293	}
		4294	}
		4295
		4296	# load additional modules
		4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
2771		4299
2772	END { cf::emergency_save }	4300	END { cf::emergency_save }
2773		4301
2774	1	4302	1
2775		4303

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines