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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 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;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98
56	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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	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;
59	our $NOW;	139	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		140
62	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
63	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
64
65	our %CFG;
66
67	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;
69
70	our %PLAYER; # all users
71	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		144
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
		160
82	binmode STDOUT;	161	binmode STDOUT;
83	binmode STDERR;	162	binmode STDERR;
84		163
85	# read virtual server time, if available	164	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
90	}	169	}
91		170
92	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	172
94	mkdir cf::localdir . "/" . cf::tmpdir;	173	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		175
99	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
100		177
101	sub cf::map::normalise;	178	sub cf::map::normalise;
102		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
103	#############################################################################	184	#############################################################################
104		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
105	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
106		198
107	=over 4	199	=over 4
108		200
109	=item $cf::UPTIME	201	=item $cf::UPTIME
110		202
111	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.
112		219
113	=item $cf::RUNTIME	220	=item $cf::RUNTIME
114		221
115	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
116	every server tick.	223	every server tick.
117		224
118	=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
119		228
120	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		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
123	=item $cf::NOW	240	=item $cf::LOAD
124		241
125	The time of the last (current) server tick.	242	The raw value load value from the last tick.
126
127	=item $cf::TICK
128
129	The interval between server ticks, in seconds.
130		243
131	=item %cf::CFG	244	=item %cf::CFG
132		245
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	247	from wherever your confdir points to.
135		248
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		250
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
140	processing has been done. Call C<< ->wait >> on them to maximise the	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$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.
142		283
143	=back	284	=back
144		285
145	=cut	286	=cut
146		287
147	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	295	my $msg = join "", @_;
150	utf8::encode $msg;
151		296
152	$msg .= "\n"	297	$msg .= "\n"
153	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
154		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
155	LOG llevError, $msg;	302	LOG llevWarn, $msg;
156	};	303	};
157	}	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	};
158		318
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		326
166	# 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
167	# within the Safe compartment.	328	# within the Safe compartment.
168	for my $pkg (qw(	329	for my $pkg (qw(
169	cf::global cf::attachable	330	cf::global cf::attachable
170	cf::object cf::object::player	331	cf::object cf::object::player
171	cf::client cf::player	332	cf::client cf::player
172	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
173	cf::map cf::party cf::region	335	cf::party cf::region
174	)) {	336	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	338	}
178		339
179	$Event::DIED = sub {	340	$EV::DIED = sub {
180	warn "error in event callback: @_";	341	warn "error in event callback: $@";
181	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
182		350
183	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
184		352
185	=over 4	353	=over 4
186		354
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	374	$d
207	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
208	}	376	}
209		377
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
211		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
212	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
213		431
214	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
215		433
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
224		435
225	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
226		437
227	=cut	438	=cut
228		439
229	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
231	JSON::Syck::Dump $_[0]	442	sub encode_json($) { $json_coder->encode ($_[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	}
232	}	505	}
233		506
234	=item cf::lock_wait $string	507	=item cf::lock_wait $string
235		508
236	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
237		510
238	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
239		512
240	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
243	returned.	516	returned.
244		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
245	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
247		523
248	=cut	524	=item $locked = cf::lock_active $string
249		525
250	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
251		531
252	sub lock_wait($) {	532	sub lock_wait($) {
253	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	534	}
261		535
262	sub lock_acquire($) {	536	sub lock_acquire($) {
263	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
264		539
265	# wait, to be sure we are not locked	540	sub lock_active($) {
266	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	542	}
275		543
276	sub freeze_mainloop {	544	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
278		546
279	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
280	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
281	};	617	}
282	$TICK_WATCHER->stop;	618	};
283	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
284	}	633	}
285		634
286	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
287		636
288	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		642
294	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
295		644
296	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
297		646
298	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
301		651
302	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
305	fast or be very important.	655	fast or be very important.
…		…
307	=cut	657	=cut
308		658
309	sub sync_job(&) {	659	sub sync_job(&) {
310	my ($job) = @_;	660	my ($job) = @_;
311		661
312	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
313	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
315		667
316	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	669
318	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
319		671
320	my $busy = 1;	672	my $busy = 1;
321	my @res;	673	my @res;
322		674
323	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	677	@res = eval { $job->() };
325	warn $@ if $@;	678	error $@ if $@;
326	undef $busy;	679	undef $busy;
327	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
328		681
329	while ($busy) {	682	while ($busy) {
330	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
331	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
332		693
333	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
334	} else {	695	} else {
335	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
336		697
…		…
356	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
357		718
358	$coro	719	$coro
359	}	720	}
360		721
361	sub write_runtime {	722	=item fork_call { }, @args
362	my $guard = cf::lock_acquire "write_runtime";
363		723
364	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.
365		728
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	729	=cut
367	or return;
368		730
369	my $value = $cf::RUNTIME + 90 + 10;	731	sub post_fork {
370	# 10 is the runtime save interval, for a monotonic clock	732	reset_signals;
371	# 60 allows for the watchdog to kill the server.	733	}
372		734
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	735	sub fork_call(&@) {
374	and return;	736	my ($cb, @args) = @_;
375		737
376	# always fsync - this file is important	738	# we seemingly have to make a local copy of the whole thing,
377	aio_fsync $fh	739	# otherwise perl prematurely frees the stuff :/
378	and return;	740	# TODO: investigate and fix (likely this will be rather laborious)
379		741
380	close $fh	742	my @res = Coro::Util::fork_eval {
381	or return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
382		746
383	aio_rename "$runtime~", $runtime	747	wantarray ? @res : $res[-1]
384	and return;	748	}
385		749
		750	sub objinfo {
386	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"
		914	}
		915
		916	=item cf::datalog type => key => value, ...
		917
		918	Log a datalog packet of the given type with the given key-value pairs.
		919
		920	=cut
		921
		922	sub datalog($@) {
		923	my ($type, %kv) = @_;
		924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	925	}
388		926
389	=back	927	=back
390		928
391	=cut	929	=cut
392		930
393	#############################################################################	931	#############################################################################
394		932
395	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
396		934
397	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
398	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")
399	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
400		938
401	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>
402	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
403	crossfire+).	941	Deliantra).
404		942
405	=over 4	943	=over 4
406		944
407	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
408		946
…		…
452	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
453		991
454	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
456		994
457	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		997
460	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
461		999
462	=over 4	1000	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
572		1110
573	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1115
578	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
580		1118
581	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
586		1124
587	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1127
590	} elsif (ref $type) {	1128	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
592		1130
593	} else {	1131	} else {
594	shift @arg;	1132	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
596	}	1134	}
597	}	1135	}
598	}	1136	}
599		1137
600	sub _object_attach {	1138	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
611	}	1149	}
612		1150
613	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
614	} else {	1152	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1154	}
617		1155
618	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
619	}	1157	}
620		1158
…		…
622	if (ref $_[0]) {	1160	if (ref $_[0]) {
623	_object_attach @_;	1161	_object_attach @_;
624	} else {	1162	} else {
625	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
626	}	1164	}
		1165	_recalc_want;
627	};	1166	};
628		1167
629	# all those should be optimised	1168	# all those should be optimised
630	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1174	reattach ($obj);
636	} else {	1175	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
638	}	1177	}
		1178	_recalc_want;
639	};	1179	};
640		1180
641	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
643		1183
…		…
658	";	1198	";
659	die if $@;	1199	die if $@;
660	}	1200	}
661		1201
662	our $override;	1202	our $override;
663	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?
664		1204
665	sub override {	1205	sub override {
666	$override = 1;	1206	$override = 1;
667	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
668	}	1208	}
669		1209
670	sub do_invoke {	1210	sub do_invoke {
671	my $event = shift;	1211	my $event = shift;
672	my $callbacks = shift;	1212	my $callbacks = shift;
673		1213
674	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
675		1215
676	local $override;	1216	local $override;
677		1217
678	for (@$callbacks) {	1218	for (@$callbacks) {
679	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
680		1220
681	if ($@) {	1221	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1223	override;
685	}	1224	}
686		1225
687	return 1 if $override;	1226	return 1 if $override;
688	}	1227	}
689		1228
690	0	1229	0
691	}	1230	}
692		1231
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1233
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1235
697	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
698		1237
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1241
703	=back	1242	=back
704		1243
705	=cut	1244	=cut
706		1245
707	#############################################################################	1246	#############################################################################
708	# 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, $ob2
		1289	}
709		1290
710	sub reattach {	1291	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1293	my ($obj) = @_;
713		1294
		1295	# no longer needed after getting rid of delete_package?
714	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
715		1297
716	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
717		1299
718	@$registry = ();	1300	@$registry = ();
719		1301
…		…
724	for (@$attach) {	1306	for (@$attach) {
725	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
727	}	1309	}
728	} else {	1310	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1312	}
731	}	1313	}
732	}	1314	}
733		1315
734	cf::attachable->attach (	1316	cf::attachable->attach (
735	prio => -1000000,	1317	prio => -1000000,
736	on_instantiate => sub {	1318	on_instantiate => sub {
737	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
738		1320
739	$data = from_json $data;	1321	$data = decode_json $data;
740		1322
741	for (@$data) {	1323	for (@$data) {
742	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
743		1325
744	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1342	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
762		1344
763	sync_job {	1345	sync_job {
764	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
767		1351
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1359	aio_close $fh;
773		1360
774	if (@$objs) {	1361	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1370	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
782	}	1372	}
783	} else {	1373	} else {
784	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
785	}	1375	}
786		1376
787	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1381	} else {
789	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
790	}	1383	}
791	} else {	1384	} else {
792	aio_unlink $filename;	1385	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
794	}	1387	}
795	}	1388	};
796	}	1389	}
797		1390
798	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
800		1393
…		…
812	or return;	1405	or return;
813		1406
814	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
816	or return;	1409	or return;
		1410
817	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
818	}	1413	}
819		1414
		1415	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
822	return ($data, $av);	1420	($data, $av)
823	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
824		1428
825	#############################################################################	1429	#############################################################################
826	# command handling &c	1430	# command handling &c
827		1431
828	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1446	}
843		1447
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1449
846	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.
847		1455
848	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
849	called.	1457	called.
850		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
851	=cut	1470	=cut
852		1471
853	sub register_extcmd {	1472	sub register_extcmd {
854	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
855		1474
856	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
857	}	1476	}
858		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
859	cf::player->attach (	1486	cf::player->attach (
860	on_command => sub {	1487	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
862		1489
863	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
864	or return;	1491	or return;
865		1492
…		…
870	cf::override;	1497	cf::override;
871	},	1498	},
872	on_extcmd => sub {	1499	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
874		1501
875	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1503
877	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
883	} else {	1516	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1518	}
886		1519
887	cf::override;	1520	cf::override;
888	},	1521	},
889	);	1522	);
890		1523
		1524	# "readahead" all extensions
891	sub load_extension {	1525	sub cache_extensions {
892	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
893		1527
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1531	}
919	die $@;
920	}	1532	};
921		1533
922	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;
923	}	1546	}
924		1547
925	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
926	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1557	next unless -r $path;
928	eval {	1558
929	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 $active;
		1630	}
930	1	1631	}
931	} or warn "$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	}
932	}	1644	};
933	}	1645	}
934		1646
935	#############################################################################	1647	#############################################################################
936		1648
		1649	=back
		1650
937	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
938		1652
939	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
940		1654
941	=cut	1655	=cut
942		1656
943	package cf::player;	1657	package cf::player;
944		1658
…		…
946		1660
947	=head3 cf::player	1661	=head3 cf::player
948		1662
949	=over 4	1663	=over 4
950		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
951	=item cf::player::find $login	1679	=item cf::player::find $login
952		1680
953	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
954		1682
955	=cut	1683	=cut
956		1684
957	sub playerdir($) {	1685	sub playerdir($) {
958	cf::localdir	1686	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1688	}
964		1689
965	sub path($) {	1690	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1692
968	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
969	}	1694	}
970		1695
971	sub find_active($) {	1696	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
976		1701
977	sub exists($) {	1702	sub exists($) {
978	my ($login) = @_;	1703	my ($login) = @_;
979		1704
980	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
982	}	1707	}
983		1708
984	sub find($) {	1709	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1711	my $login = $_[0];
987		1712
988	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
989		1714
990	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1716	# rename old playerfiles to new ones
		1717	#TODO: remove when no longer required
		1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1721	aio_unlink +(playerdir $login) . "/$login.pl";
		1722
		1723	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
994	}	1732	}
995	}	1733	}
996	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
997		1748
998	sub save($) {	1749	sub save($) {
999	my ($pl) = @_;	1750	my ($pl) = @_;
1000		1751
1001	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1007		1758
1008	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1010		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
1011	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1012	Coro::cede;	1768	cf::cede_to_tick;
1013	}	1769	}
1014		1770
1015	sub new($) {	1771	sub new($) {
1016	my ($login) = @_;	1772	my ($login) = @_;
1017		1773
…		…
1023	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1024		1780
1025	$self	1781	$self
1026	}	1782	}
1027		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
1028	=item $pl->quit_character	1794	=item $pl->quit_character
1029		1795
1030	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1032		1798
…		…
1036	my ($pl) = @_;	1802	my ($pl) = @_;
1037		1803
1038	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1039		1805
1040	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1041	$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
1042		1808
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1046	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1047		1817
1048	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1849	while and may block, so not sync_job-capable, ever.
1080		1850
1081	=cut	1851	=cut
1082		1852
1083	sub list_logins {	1853	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1854	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1855	or return [];
1086		1856
1087	my @logins;	1857	my @logins;
1088		1858
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1093		1869
1094	utf8::decode $login;	1870	utf8::decode $login;
1095	push @logins, $login;	1871	push @logins, $login;
1096	}	1872	}
1097		1873
1098	\@logins	1874	\@logins
1099	}	1875	}
1100		1876
1101	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1102		1880
1103	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1104	player. May block.	1882	player. May block.
1105		1883
1106	=cut	1884	=cut
…		…
1124	}	1902	}
1125		1903
1126	\@paths	1904	\@paths
1127	}	1905	}
1128		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1130		1912
1131	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1132		1914
1133	=cut	1915	=cut
1134		1916
1135	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1137		1919
1138	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1921	}
1142		1922
1143	package cf;	1923	=item $player->ext_msg ($type, @msg)
		1924
		1925	Sends an ext event to the client.
		1926
		1927	=cut
		1928
		1929	sub ext_msg($$@) {
		1930	my ($self, $type, @msg) = @_;
		1931
		1932	$self->ns->ext_msg ($type, @msg);
		1933	}
		1934
		1935	=head3 cf::region
		1936
		1937	=over 4
		1938
		1939	=cut
		1940
		1941	package cf::region;
		1942
		1943	=item cf::region::find_by_path $path
		1944
		1945	Tries to decuce the likely region for a map knowing only its path.
		1946
		1947	=cut
		1948
		1949	sub find_by_path($) {
		1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
		1954	my ($match, $specificity);
		1955
		1956	for my $region (list) {
		1957	if ($region->{match} && $path =~ $region->{match}) {
		1958	($match, $specificity) = ($region, $region->specificity)
		1959	if $region->specificity > $specificity;
		1960	}
		1961	}
		1962
		1963	$match
		1964	}
1144		1965
1145	=back	1966	=back
1146
1147		1967
1148	=head3 cf::map	1968	=head3 cf::map
1149		1969
1150	=over 4	1970	=over 4
1151		1971
…		…
1163	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1165		1985
1166	sub generate_random_map {	1986	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1169	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	1992	}
1183		1993
1184	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1185		1995
1186	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
…		…
1191		2001
1192	sub register {	2002	sub register {
1193	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	2004	my $pkg = caller;
1195		2005
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		2007
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	2009	}
1201		2010
1202	# also paths starting with '/'	2011	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		2013
1205	sub thawer_merge {	2014	sub thawer_merge {
1206	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1207		2016
1208	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1209	local $self->{path};	2018	local $self->{path};
1210	local $self->{load_path};	2019	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		2020
1214	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1215	}	2022	}
1216		2023
1217	sub normalise {	2024	sub normalise {
1218	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1219		2026
1220	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1221		2028
1222	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1223		2030
1224	# map plan:	2031	# map plan:
1225	#	2032	#
…		…
1240	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	2048	$path = "$base/$path";
1242	}	2049	}
1243		2050
1244	for ($path) {	2051	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1248	}	2054	}
1249		2055
1250	$path	2056	$path
…		…
1264	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1265	return $self;	2071	return $self;
1266	}	2072	}
1267	}	2073	}
1268		2074
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	2076	()
1271	}	2077	}
1272		2078
		2079	# may re-bless or do other evil things
1273	sub init {	2080	sub init {
1274	my ($self) = @_;	2081	my ($self) = @_;
1275		2082
1276	$self	2083	$self
1277	}	2084	}
…		…
1289		2096
1290	# the original (read-only) location	2097	# the original (read-only) location
1291	sub load_path {	2098	sub load_path {
1292	my ($self) = @_;	2099	my ($self) = @_;
1293		2100
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2101	"$MAPDIR/$self->{path}.map"
1295	}	2102	}
1296		2103
1297	# the temporary/swap location	2104	# the temporary/swap location
1298	sub save_path {	2105	sub save_path {
1299	my ($self) = @_;	2106	my ($self) = @_;
1300		2107
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2109	"$TMPDIR/$path.map"
1303	}	2110	}
1304		2111
1305	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1306	sub uniq_path {	2113	sub uniq_path {
1307	my ($self) = @_;	2114	my ($self) = @_;
1308		2115
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2117	"$UNIQUEDIR/$path"
1311	}	2118	}
1312		2119
1313	# and all this just because we cannot iterate over	2120	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2121	my ($self) = @_;
1317		2122
1318	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1320	}	2126	}
1321		2127
1322	sub unlink_save {	2128	sub unlink_save {
1323	my ($self) = @_;	2129	my ($self) = @_;
1324		2130
…		…
1329		2135
1330	sub load_header_from($) {	2136	sub load_header_from($) {
1331	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1332		2138
1333	utf8::encode $path;	2139	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2141	or return;
1339		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1340	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1341		2150
1342	1	2151	1
1343	}	2152	}
1344		2153
		2154	# used to laod the header of an original map
1345	sub load_header_orig {	2155	sub load_header_orig {
1346	my ($self) = @_;	2156	my ($self) = @_;
1347		2157
1348	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1349	}	2159	}
1350		2160
		2161	# used to laod the header of an instantiated map
1351	sub load_header_temp {	2162	sub load_header_temp {
1352	my ($self) = @_;	2163	my ($self) = @_;
1353		2164
1354	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1355	}	2166	}
1356		2167
		2168	# called after loading the header from an instantiated map
1357	sub prepare_temp {	2169	sub prepare_temp {
1358	my ($self) = @_;	2170	my ($self) = @_;
1359		2171
1360	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1361	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1362	# safety	2174	# safety
1363	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1364	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1365	}	2177	}
1366		2178
		2179	# called after loading the header from an original map
1367	sub prepare_orig {	2180	sub prepare_orig {
1368	my ($self) = @_;	2181	my ($self) = @_;
1369		2182
1370	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1371	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1382	$self->load_header_orig	2195	$self->load_header_orig
1383	or return;	2196	or return;
1384	$self->prepare_orig;	2197	$self->prepare_orig;
1385	}	2198	}
1386		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
		2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
1387	1	2206	1
1388	}	2207	}
1389		2208
1390	sub find;	2209	sub find;
1391	sub find {	2210	sub find {
1392	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1393		2212
		2213	cf::cede_to_tick;
		2214
1394	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1395		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2219
1398	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1401	or return;	2222	or return;
1402		2223
1403	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1404		2225
1405	$map->load_header	2226	$map->load_header
1406	or return;	2227	or return;
1407		2228
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1411	$map->reset;	2234	$map->reset;
1412	undef $guard;
1413	return find $path;	2235	return find $path;
1414	}	2236	}
1415		2237
1416	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1417	}	2239	}
1418	}	2240	}
1419		2241
1420	sub pre_load { }	2242	sub pre_load { }
1421	sub post_load { }	2243	#sub post_load { } # XS
1422		2244
1423	sub load {	2245	sub load {
1424	my ($self) = @_;	2246	my ($self) = @_;
1425		2247
1426	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1427		2249
1428	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1430		2254
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1432		2257
1433	$self->in_memory (cf::MAP_LOADING);
1434
1435	$self->alloc;	2258	$self->alloc;
1436		2259
1437	$self->pre_load;	2260	$self->pre_load;
		2261	cf::cede_to_tick;
1438		2262
1439	$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)
1440	or return;	2267	or return;
1441		2268
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1443	if delete $self->{load_original};	2270	if delete $self->{load_original};
1444		2271
1445	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2273	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2276	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1450	}	2281	}
1451	}
1452		2282
1453	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1454		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1455	# now do the right thing for maps	2292	# now do the right thing for maps
1456	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2295	unless $self->difficulty;
1466	Coro::cede;	2296	cf::cede_to_tick;
1467	$self->activate;	2297
		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);
1468	}	2308	}
1469		2309
1470	$self->post_load;	2310	$self->post_load;
1471		2311
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2312	1
1473	}	2313	}
1474		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
1475	sub customise_for {	2318	sub customise_for {
1476	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1477		2320
1478	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2322	if $self->per_player;
1480		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1481	$self	2327	$self
1482	}
1483
1484	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {
1486	my ($map) = @_;
1487
1488	my @diag; # diagonal neighbours
1489
1490	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)
1492	or next;
1493	$neigh = find $neigh, $map
1494	or next;
1495	$neigh->load;
1496
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}
1500
1501	for (@diag) {
1502	my $neigh = find @$_
1503	or next;
1504	$neigh->load;
1505	}
1506	}	2328	}
1507		2329
1508	sub find_sync {	2330	sub find_sync {
1509	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1510		2332
1511	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
1512	}	2338	}
1513		2339
1514	sub do_load_sync {	2340	sub do_load_sync {
1515	my ($map) = @_;	2341	my ($map) = @_;
1516		2342
1517	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;
1518	}	2348	}
1519		2349
1520	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1522		2352
1523	sub find_async {	2353	sub find_async {
1524	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1525		2355
1526	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1527		2357
1528	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1530	}	2360	}
1531		2361
1532	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1533	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1534	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2369	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2370	$map->load if $v;
		2371	}
1539		2372
1540	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1541	}	2374	}
1542	}	2375	}
1543	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1544	};	2377	};
1545	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1546		2379
1547	()	2380	()
1548	}	2381	}
1549		2382
		2383	# common code, used by both ->save and ->swapout
1550	sub save {	2384	sub _save {
1551	my ($self) = @_;	2385	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2386
1555	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1556		2388
1557	return unless $self->dirty;	2389	return unless $self->dirty;
1558		2390
…		…
1564	return if $self->{deny_save};	2396	return if $self->{deny_save};
1565		2397
1566	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1567		2399
1568	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1570	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1571		2406
1572	if ($uniq) {	2407	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2410	} else {
1576	$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);
1577	}	2412	}
1578	}	2413	}
1579		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1580	sub swap_out {	2423	sub swap_out {
1581	my ($self) = @_;	2424	my ($self) = @_;
1582		2425
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1588	return if $self->players;	2430	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		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
1592	$self->clear;	2441	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2442	}
1595		2443
1596	sub reset_at {	2444	sub reset_at {
1597	my ($self) = @_;	2445	my ($self) = @_;
1598		2446
1599	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1602		2449
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2452
…		…
1616	my ($self) = @_;	2463	my ($self) = @_;
1617		2464
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2466
1620	return if $self->players;	2467	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2468
1623	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1624		2470
1625	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1626		2472
1627	# need to save uniques path	2473	# need to save uniques path
1628	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1629	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1630		2476
…		…
1632	if $uniq;	2478	if $uniq;
1633	}	2479	}
1634		2480
1635	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1636		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2485	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2486
1641	$self->unlink_save;	2487	$self->unlink_save;
1642	$self->destroy;	2488	$self->destroy;
1643	}	2489	}
1644		2490
1645	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1646		2492
1647	sub nuke {	2493	sub nuke {
1648	my ($self) = @_;	2494	my ($self) = @_;
1649		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1650	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1651		2500
1652	$self->unlink_save;	2501	$self->unlink_save;
1653		2502
1654	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2508
1660	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1661		2511
1662	$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	]
1663	}	2549	}
1664		2550
1665	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1666		2552
1667	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2554	instantiated unique items. May block.
1669		2555
1670	=cut	2556	=cut
1671		2557
1672	sub unique_maps() {	2558	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2559	[
1674	or return;	2560	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2561	utf8::decode $_;
1680	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2564	? ()
1683	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2567	]
1685
1686	\@paths
1687	}	2568	}
1688		2569
1689	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	}
1690		2601
1691	=back	2602	=back
1692		2603
1693	=head3 cf::object	2604	=head3 cf::object
1694		2605
…		…
1698		2609
1699	=over 4	2610	=over 4
1700		2611
1701	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1702		2613
1703	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.
1704		2616
1705	=cut	2617	=cut
1706		2618
1707	sub inv_recursive_;	2619	sub inv_recursive_;
1708	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1711		2623
1712	sub inv_recursive {	2624	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1714	}	2626	}
1715		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
1716	package cf;	2656	package cf;
1717		2657
1718	=back	2658	=back
1719		2659
1720	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1729		2669
1730	=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	};
1731		2685
1732	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2687	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1737		2691
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2693
1740	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1745	}	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 (@_);
1746	}	2719	}
1747		2720
1748	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1749		2722
1750	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1763		2736
1764	=item $player_object->enter_link	2737	=item $player_object->enter_link
1765		2738
1766	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}>).
1767		2740
1768	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.
1769	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.
1770		2745
1771	Will never block.	2746	Will never block.
1772		2747
1773	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1774		2749
…		…
1794	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2770	my ($self) = @_;
1796		2771
1797	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1798		2773
		2774	++$self->{_link_recursion};
		2775
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2777
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1803		2780
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2782	}
1806		2783
1807	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1809		2788
1810	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1811		2790
1812	unless ($map) {	2791	unless ($map) {
1813	# restore original map position	2792	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1826		2805
1827	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1830		2809
1831	$map->load;	2810	$map->load;
1832	$map->load_diag;
1833		2811
1834	return unless $self->contr->active;	2812	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2813
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1839	}	2816	# entering was successful
1840		2817	delete $self->{_link_recursion};
1841	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2819	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2820	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2821
1855	# try to abort aborted map switching on player login :)	2822	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2823
1873	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		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
1875	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1876		2838
1877	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1878	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;
1879		2850
1880	$self->enter_link;	2851	$self->enter_link;
1881		2852
1882	(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
1883	my $map = eval {	2875	my $map = eval {
1884	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2891	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1891	})->prio (1);	2899	})->prio (1);
1892	}	2900	}
1893		2901
1894	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1895		2903
…		…
1915	}	2923	}
1916		2924
1917	sub prepare_random_map {	2925	sub prepare_random_map {
1918	my ($exit) = @_;	2926	my ($exit) = @_;
1919		2927
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2930	# that depends on the exit object
1925		2931
1926	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2934	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1933	}	2941	}
1934		2942
1935	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1936		2944
1937	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
1940		2948
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2951	undef $fh;
1944	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
1945		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1948	}	2960	}
1949	}	2961	}
1950		2962
1951	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
1953		2965
1954	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1955		2967
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2968	$self->enter_link;
1966		2969
1967	(async {	2970	(async {
1968	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1969	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
1970	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
1971		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
1972	1;	3009	1
1973	}) {	3010	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1978		3015
1979	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	3017	$self->leave_link;
1981	}	3018	}
1982	})->prio (1);	3019	})->prio (1);
1983	}	3020	}
1984		3021
…		…
1995		3032
1996	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1998		3035
1999	utf8::encode $text;	3036	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	3038	}
2002		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
		3227	=item $client->ext_msg ($type, @msg)
		3228
		3229	Sends an ext event to the client.
		3230
		3231	=cut
		3232
		3233	sub cf::client::ext_msg($$@) {
		3234	my ($self, $type, @msg) = @_;
		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
		3239	push @msg, msgtype => "event_$type";
		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]));
		3256	}
2003		3257
2004	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2005		3259
2006	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		3263
2010	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
2011	reliable at some point in the future.	3265	become reliable at some point in the future.
2012		3266
2013	=cut	3267	=cut
2014		3268
2015	sub cf::client::query {	3269	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3278	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3280
2027	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2029	}	3285	}
2030		3286
2031	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	},
2032	on_reply => sub {	3293	on_reply => sub {
2033	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2034		3295
2035	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2036	# get handled first	3297	# get handled first
…		…
2048	} else {	3309	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3311	}
2051	}	3312	}
2052	},	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	},
2053	);	3337	);
2054		3338
2055	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2056		3340
2057	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3357
2074	$coro	3358	$coro
2075	}	3359	}
2076		3360
2077	cf::client->attach (	3361	cf::client->attach (
2078	on_destroy => sub {	3362	on_client_destroy => sub {
2079	my ($ns) = @_;	3363	my ($ns) = @_;
2080		3364
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3366	},
2083	);	3367	);
…		…
2098	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2100		3384
2101	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2102		3386
2103	$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	));
2104		3392
2105	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2106		3394
2107	=pod	3395	=pod
2108		3396
2109	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2110		3398
2111	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
2112	cf::object::player player	3404	cf::object::player
2113	cf::player peaceful	3405	player
2114	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2115		3412
2116	=cut	3413	=cut
2117		3414
2118	for (	3415	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2123	) {	3422	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3425	for @funs;
2128	}	3426	}
2129		3427
…		…
2144		3442
2145	my $qcode = $code;	3443	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2148		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2149	local $_;	3450	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3451
2152	my $eval =	3452	my $eval =
2153	"do {\n"	3453	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3456	. $code
2157	. "\n}"	3457	. "\n}"
2158	;	3458	;
2159		3459
		3460	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	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	}
2163		3469
2164	if ($@) {	3470	if ($@) {
2165	warn "$@";	3471	warn "$@",
2166	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2168	}	3474	}
2169		3475
2170	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2171	}	3477	}
2172		3478
…		…
2186	=cut	3492	=cut
2187		3493
2188	sub register_script_function {	3494	sub register_script_function {
2189	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2190		3496
2191	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2193	}	3499	}
2194		3500
2195	=back	3501	=back
2196		3502
2197	=cut	3503	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3504
2271	#############################################################################	3505	#############################################################################
2272	# the server's init and main functions	3506	# the server's init and main functions
2273		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2274	sub load_faces {	3510	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3511	my ($path) = @_;
2276		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
2277	warn "loading faces from $path\n";	3519	trace "loading facedata from $path\n";
2278		3520
2279	my $faces;	3521	my $facedata = decode_storable load_file $path;
2280	0 < aio_load $path, $faces
2281	or die "$path: $!";
2282		3522
2283	Coro::cede;	3523	$facedata->{version} == 2
2284	$faces = Storable::thaw $faces;	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2285	Coro::cede;
2286		3525
2287	while (my ($face, $info) = each %$faces) {	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
		3535	{
		3536	my $faces = $facedata->{faceinfo};
		3537
		3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541
		3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2291	Coro::cede;	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
		3550	}
		3551
		3552	while (my ($face, $info) = each %$faces) {
		3553	next unless $info->{smooth};
		3554
		3555	my $idx = cf::face::find $face
		3556	or next;
		3557
		3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
		3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3561	} else {
		3562	error "smooth face '$info->{smooth}' not found for face '$face'";
		3563	}
		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
2292	}	3569	{
		3570	my $anims = $facedata->{animinfo};
		3571
		3572	while (my ($anim, $info) = each %$anims) {
		3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3574	cf::cede_to_tick;
		3575	}
		3576
		3577	cf::anim::invalidate_all; # d'oh
		3578	}
		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2293		3601
2294	1	3602	1
2295	}	3603	}
2296		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
		3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
		3628	load_resource_file "$MAPDIR/regions"
		3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
		3635	}
		3636
		3637	sub reload_facedata {
		3638	load_facedata "$DATADIR/facedata"
		3639	or die "unable to load facedata\n";
		3640	}
		3641
		3642	sub reload_archetypes {
		3643	load_resource_file "$DATADIR/archetypes"
		3644	or die "unable to load archetypes\n";
		3645	}
		3646
		3647	sub reload_treasures {
		3648	load_resource_file "$DATADIR/treasures"
		3649	or die "unable to load treasurelists\n";
		3650	}
		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
2297	sub reload_resources {	3672	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3673	trace "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3674
		3675	reload_exp_table;
		3676	reload_materials;
2300	load_faces	3677	reload_facedata;
2301	or die "unable to load faces\n";#d#	3678	reload_sound;
2302	}	3679	reload_archetypes;
2303
2304	sub init {
2305	reload_resources;	3680	reload_regions;
2306	}	3681	reload_treasures;
2307		3682
2308	sub cfg_load {	3683	trace "finished reloading resource files\n";
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3684	}
2310	or return;
2311		3685
2312	local $/;	3686	sub reload_config {
2313	*CFG = YAML::Syck::Load <$fh>;	3687	trace "reloading config file...\n";
2314		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2316		3694
2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2319		3697
2320	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2324	};	3702	};
2325	warn $@ if $@;	3703	warn $@ if $@;
2326	}	3704	}
2327	}	3705	}
2328		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2329	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2330	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2331	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2333	(async {	3748	(async {
2334	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2335	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2336	};	3752	};
2337		3753
2338	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2339	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2340	load_extensions;	3777	load_extensions;
2341		3778
2342	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2343	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2344	}	3796	}
2345		3797
2346	#############################################################################	3798	#############################################################################
2347	# initialisation and cleanup	3799	# initialisation and cleanup
2348		3800
2349	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2350	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2351	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2352	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2353	reentrant => 0,
2354	data => WF_AUTOCANCEL,
2355	signal => $signal,
2356	prio => 0,
2357	cb => sub {
2358	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2359	},
2360	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2361	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2362	}	3897	}
2363		3898
2364	sub emergency_save() {	3899	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2366		3901
2367	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2368		3908
2369	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2370	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2371	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2372	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2373	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2374	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2375	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2376	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2377	$pl->save;	3920	$pl->save;
2378	}	3921	}
2379	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2380		3923
2381	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2382	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2383	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2384	$map->valid or next;	3929	$map->valid or next;
2385	$map->save;	3930	$map->save;
2386	}	3931	}
2387	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2388		3933
2389	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2390	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2391	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2392	};	3962	};
2393		3963
2394	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2395	}	3965	}
2396		3966
2397	sub post_cleanup {	3967	sub post_cleanup {
2398	my ($make_core) = @_;	3968	my ($make_core) = @_;
2399		3969
		3970	IO::AIO::flush;
		3971
2400	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3973	if $make_core;
2402	}
2403		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2404	sub reload() {	4004	sub do_reload_perl() {
2405	# can/must only be called in main	4005	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2407	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2408	return;	4008	return;
2409	}	4009	}
2410		4010
2411	warn "reloading...";	4011	return if $RELOAD++;
2412		4012
2413	warn "entering sync_job";	4013	my $t1 = AE::time;
2414		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2415	cf::sync_job {	4021	cf::sync_job {
2416	cf::write_runtime; # external watchdog should not bark
2417	cf::emergency_save;	4022	#cf::emergency_save;
2418	cf::write_runtime; # external watchdog should not bark
2419		4023
2420	warn "syncing database to disk";
2421	BDB::db_env_txn_checkpoint $DB_ENV;
2422
2423	# if anything goes wrong in here, we should simply crash as we already saved
2424
2425	warn "cancelling all WF_AUTOCANCEL watchers";
2426	for (Event::all_watchers) {
2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2428	}
2429
2430	warn "flushing outstanding aio requests";
2431	for (;;) {
2432	BDB::flush;
2433	IO::AIO::flush;
2434	Coro::cede;
2435	last unless IO::AIO::nreqs || BDB::nreqs;
2436	warn "iterate...";
2437	}
2438
2439	++$RELOAD;
2440
2441	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2442	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2443	%EXT_CORO = ();	4026	%EXT_CORO = ();
2444		4027
2445	warn "removing commands";	4028	trace "perl_reload: removing commands";
2446	%COMMAND = ();	4029	%COMMAND = ();
2447		4030
2448	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2449	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2450		4034
2451	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2454		4038
2455	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2456	eval {	4040	eval {
2457	$cb->($pkg);	4041	$cb->($pkg);
2458	1	4042	1
2459	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2460	}	4048	}
2461		4049
2462	warn "... nuking $pkg";
2463	Symbol::delete_package $pkg;
2464	}
2465
2466	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2467	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2469		4053
2470	warn "... unloading $k";	4054	trace "... unloading $k";
2471	delete $INC{$k};	4055	delete $INC{$k};
2472		4056
2473	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2474	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2475		4059
2476	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2477	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2478	}	4065	}
2479		4066
2480	Symbol::delete_package $k;
2481	}
2482
2483	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2484	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		4070
2487	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2489		4074
2490	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2491	# and global variables created in xs	4076	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2493		4078
2494	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2495		4080
2496	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2497	require cf;	4082	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2499		4084
2500	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2501	cf::cfg_load;	4086	cf::reload_config;
2502		4087
2503	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2504	cf::load_extensions;	4089	cf::load_extensions;
2505		4090
		4091	if ($REATTACH_ON_RELOAD) {
2506	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2507	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2508	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2509	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2512		4099
2513	warn "loading reloadable resources";	4100	cf::_post_init 1;
2514	reload_resources;
2515		4101
2516	warn "leaving sync_job";	4102	trace "perl_reload: leaving sync_job";
2517		4103
2518	1	4104	1
2519	} or do {	4105	} or do {
2520	warn $@;	4106	error $@;
2521	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2522	exit 1;	4108	};
		4109
		4110	--$RELOAD;
		4111	}
		4112
		4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
		4115	};
		4116
		4117	our $RELOAD_WATCHER; # used only during reload
		4118
		4119	sub reload_perl() {
		4120	# doing reload synchronously and two reloads happen back-to-back,
		4121	# coro crashes during coro_state_free->destroy here.
		4122
		4123	$RELOAD_WATCHER ||= cf::async {
		4124	Coro::AIO::aio_wait cache_extensions;
		4125
		4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4127	do_reload_perl;
		4128	undef $RELOAD_WATCHER;
		4129	};
2523	};	4130	};
2524		4131	}
2525	warn "reloaded";
2526	};
2527
2528	our $RELOAD_WATCHER; # used only during reload
2529		4132
2530	register_command "reload" => sub {	4133	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2532		4135
2533	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
2535		4138	async {
2536	# doing reload synchronously and two reloads happen back-to-back,	4139	$Coro::current->{desc} = "perl_reload";
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;	4140	reload_perl;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);	4141	};
2548	}	4142	}
2549	};	4143	};
2550		4144
2551	unshift @INC, $LIBDIR;	4145	#############################################################################
2552		4146
2553	my $bug_warning = 0;	4147	my $bug_warning = 0;
2554		4148
2555	$TICK_WATCHER = Event->timer (	4149	sub wait_for_tick() {
2556	reentrant => 0,	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2557	parked => 1,	4151
2558	prio => 0,	4152	$WAIT_FOR_TICK->wait;
2559	at => $NEXT_TICK || $TICK,	4153	}
2560	data => WF_AUTOCANCEL,	4154
2561	cb => sub {	4155	sub wait_for_tick_begin() {
		4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4157
		4158	my $signal = new Coro::Signal;
		4159	push @WAIT_FOR_TICK_BEGIN, $signal;
		4160	$signal->wait;
		4161	}
		4162
		4163	sub tick {
2562	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2565	return;	4167	return;
2566	}	4168	}
2567		4169
2568	$NOW = Event::time;	4170	cf::one_tick; # one server iteration
2569		4171
2570	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2571	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;
2573		4173
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2576	Coro::async_pool {	4176	Coro::async_pool {
		4177	$Coro::current->{desc} = "runtime saver";
2577	write_runtime	4178	write_runtime_sync
2578	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
2579	};
2580	}	4180	};
		4181	}
2581		4182
		4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4184	$sig->send;
		4185	}
2582	$WAIT_FOR_TICK->broadcast;	4186	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584		4187
2585	# my $AFTER = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2586	# warn $AFTER - $NOW;#d#	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2587		4190
2588	# if we are delayed by four ticks or more, skip them all	4191	if (0) {
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4192	if ($NEXT_TICK) {
2590		4193	my $jitter = $TICK_START - $NEXT_TICK;
2591	$TICK_WATCHER->at ($NEXT_TICK);	4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2592	$TICK_WATCHER->start;	4195	debug "jitter $JITTER\n";#d#
		4196	}
2593	},	4197	}
2594	);	4198	}
2595		4199
2596	{	4200	{
2597	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2598	$BDB_POLL_WATCHER = Event->io (	4202
2599	reentrant => 0,
2600	fd => BDB::poll_fileno,
2601	poll => 'r',
2602	prio => 0,
2603	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,
2605	);
2606	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2607		4204	BDB::max_poll_reqs $TICK * 0.1;
2608	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2609	my $status;
2610	my $current = $Coro::current;
2611	(
2612	sub {
2613	$status = $!;
2614	$current->ready; undef $current;
2615	},
2616	sub {
2617	Coro::schedule while defined $current;
2618	$! = $status;
2619	},
2620	)
2621	};
2622		4206
2623	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		4214
2626	cf::sync_job {	4215	cf::sync_job {
2627	eval {	4216	eval {
2628	BDB::db_env_open	4217	BDB::db_env_open
2629	$DB_ENV,	4218	$DB_ENV,
2630	$BDB_ENV_DIR,	4219	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	4222	0666;
2634		4223
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	4225	};
2640		4226
2641	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	4228	};
2643	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2644	}	4240	}
2645		4241
2646	{	4242	{
		4243	# configure IO::AIO
		4244
2647	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2648
2649	undef $Coro::AIO::WATCHER;
2650	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2651	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2652	reentrant => 0,
2653	data => WF_AUTOCANCEL,
2654	fd => IO::AIO::poll_fileno,
2655	poll => 'r',
2656	prio => 6,
2657	cb => \&IO::AIO::poll_cb,
2658	);
2659	}	4248	}
		4249
		4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
		4252
		4253	sub _log_backtrace {
		4254	my ($msg, @addr) = @_;
		4255
		4256	$msg =~ s/\n$//;
		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4261	# limit the # of concurrent backtraces
		4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
		4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
		4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
		4269	my @bt = fork_call {
		4270	@addr = map { sprintf "%x", $_ } @addr;
		4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4273	or die "addr2line: $!";
		4274
		4275	my @funcs;
		4276	my @res = <$fh>;
		4277	chomp for @res;
		4278	while (@res) {
		4279	my ($func, $line) = splice @res, 0, 2, ();
		4280	push @funcs, "[$func] $line";
		4281	}
		4282
		4283	@funcs
		4284	};
		4285
		4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4288	LOG llevInfo, "[ABT] $_\n" for @bt;
		4289	--$_log_backtrace;
		4290	};
		4291	} else {
		4292	LOG llevInfo, "[ABT] $msg\n";
		4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4294	}
		4295	}
		4296
		4297	# load additional modules
		4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
2660		4300
2661	END { cf::emergency_save }	4301	END { cf::emergency_save }
2662		4302
2663	1	4303	1
2664		4304

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